updated bunch of file paths and changed the way posts are loaded

node_modules/mongodb/lib/admin.js

@@ -0,0 +1,581 @@
+"use strict";
+
+var toError = require('./utils').toError,
+  Define = require('./metadata'),
+  shallowClone = require('./utils').shallowClone;
+
+/**
+ * @fileOverview The **Admin** class is an internal class that allows convenient access to
+ * the admin functionality and commands for MongoDB.
+ *
+ * **ADMIN Cannot directly be instantiated**
+ * @example
+ * var MongoClient = require('mongodb').MongoClient,
+ *   test = require('assert');
+ * // Connection url
+ * var url = 'mongodb://localhost:27017/test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, db) {
+ *   // Use the admin database for the operation
+ *   var adminDb = db.admin();
+ *
+ *   // List all the available databases
+ *   adminDb.listDatabases(function(err, dbs) {
+ *     test.equal(null, err);
+ *     test.ok(dbs.databases.length > 0);
+ *     db.close();
+ *   });
+ * });
+ */
+
+/**
+ * Create a new Admin instance (INTERNAL TYPE, do not instantiate directly)
+ * @class
+ * @return {Admin} a collection instance.
+ */
+var Admin = function(db, topology, promiseLibrary) {
+  if(!(this instanceof Admin)) return new Admin(db, topology);
+  var self = this;
+
+  // Internal state
+  this.s = {
+      db: db
+    , topology: topology
+    , promiseLibrary: promiseLibrary
+  }
+}
+
+var define = Admin.define = new Define('Admin', Admin, false);
+
+/**
+ * The callback format for results
+ * @callback Admin~resultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {object} result The result object if the command was executed successfully.
+ */
+
+/**
+ * Execute a command
+ * @method
+ * @param {object} command The command hash
+ * @param {object} [options=null] Optional settings.
+ * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST).
+ * @param {number} [options.maxTimeMS=null] Number of milliseconds to wait before aborting the query.
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.command = function(command, options, callback) {
+  var self = this;
+  var args = Array.prototype.slice.call(arguments, 1);
+  callback = args.pop();
+  if(typeof callback != 'function') args.push(callback);
+  options = args.length ? args.shift() : {};
+
+  // Execute using callback
+  if(typeof callback == 'function') return this.s.db.executeDbAdminCommand(command, options, function(err, doc) {
+    return callback != null ? callback(err, doc) : null;
+  });
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.executeDbAdminCommand(command, options, function(err, doc) {
+      if(err) return reject(err);
+      resolve(doc);
+    });
+  });
+}
+
+define.classMethod('command', {callback: true, promise:true});
+
+/**
+ * Retrieve the server information for the current
+ * instance of the db client
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.buildInfo = function(callback) {
+  var self = this;
+  // Execute using callback
+  if(typeof callback == 'function') return this.serverInfo(callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.serverInfo(function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('buildInfo', {callback: true, promise:true});
+
+/**
+ * Retrieve the server information for the current
+ * instance of the db client
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.serverInfo = function(callback) {
+  var self = this;
+  // Execute using callback
+  if(typeof callback == 'function') return this.s.db.executeDbAdminCommand({buildinfo:1}, function(err, doc) {
+    if(err != null) return callback(err, null);
+    callback(null, doc);
+  });
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.executeDbAdminCommand({buildinfo:1}, function(err, doc) {
+      if(err) return reject(err);
+      resolve(doc);
+    });
+  });
+}
+
+define.classMethod('serverInfo', {callback: true, promise:true});
+
+/**
+ * Retrieve this db's server status.
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.serverStatus = function(callback) {
+  var self = this;
+
+  // Execute using callback
+  if(typeof callback == 'function') return serverStatus(self, callback)
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    serverStatus(self, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+};
+
+var serverStatus = function(self, callback) {
+  self.s.db.executeDbAdminCommand({serverStatus: 1}, function(err, doc) {
+    if(err == null && doc.ok === 1) {
+      callback(null, doc);
+    } else {
+      if(err) return callback(err, false);
+      return callback(toError(doc), false);
+    }
+  });
+}
+
+define.classMethod('serverStatus', {callback: true, promise:true});
+
+/**
+ * Retrieve the current profiling Level for MongoDB
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.profilingLevel = function(callback) {
+  var self = this;
+
+  // Execute using callback
+  if(typeof callback == 'function') return profilingLevel(self, callback)
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    profilingLevel(self, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+};
+
+var profilingLevel = function(self, callback) {
+  self.s.db.executeDbAdminCommand({profile:-1}, function(err, doc) {
+    doc = doc;
+
+    if(err == null && doc.ok === 1) {
+      var was = doc.was;
+      if(was == 0) return callback(null, "off");
+      if(was == 1) return callback(null, "slow_only");
+      if(was == 2) return callback(null, "all");
+        return callback(new Error("Error: illegal profiling level value " + was), null);
+    } else {
+      err != null ? callback(err, null) : callback(new Error("Error with profile command"), null);
+    }
+  });
+}
+
+define.classMethod('profilingLevel', {callback: true, promise:true});
+
+/**
+ * Ping the MongoDB server and retrieve results
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.ping = function(options, callback) {
+  var self = this;
+  var args = Array.prototype.slice.call(arguments, 0);
+  callback = args.pop();
+  if(typeof callback != 'function') args.push(callback);
+
+  // Execute using callback
+  if(typeof callback == 'function') return this.s.db.executeDbAdminCommand({ping: 1}, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.executeDbAdminCommand({ping: 1}, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('ping', {callback: true, promise:true});
+
+/**
+ * Authenticate a user against the server.
+ * @method
+ * @param {string} username The username.
+ * @param {string} [password] The password.
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.authenticate = function(username, password, options, callback) {
+  var self = this;
+  if(typeof options == 'function') callback = options, options = {};
+  options = shallowClone(options);
+  options.authdb = 'admin';
+  
+  // Execute using callback
+  if(typeof callback == 'function') return this.s.db.authenticate(username, password, options, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.authenticate(username, password, options, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('authenticate', {callback: true, promise:true});
+
+/**
+ * Logout user from server, fire off on all connections and remove all auth info
+ * @method
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.logout = function(callback) {
+  var self = this;
+  // Execute using callback
+  if(typeof callback == 'function') return this.s.db.logout({authdb: 'admin'}, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.logout({authdb: 'admin'}, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('logout', {callback: true, promise:true});
+
+// Get write concern
+var writeConcern = function(options, db) {
+  options = shallowClone(options);
+
+  // If options already contain write concerns return it
+  if(options.w || options.wtimeout || options.j || options.fsync) {
+    return options;
+  }
+
+  // Set db write concern if available
+  if(db.writeConcern) {
+    if(options.w) options.w = db.writeConcern.w;
+    if(options.wtimeout) options.wtimeout = db.writeConcern.wtimeout;
+    if(options.j) options.j = db.writeConcern.j;
+    if(options.fsync) options.fsync = db.writeConcern.fsync;
+  }
+
+  // Return modified options
+  return options;
+}
+
+/**
+ * Add a user to the database.
+ * @method
+ * @param {string} username The username.
+ * @param {string} password The password.
+ * @param {object} [options=null] Optional settings.
+ * @param {(number|string)} [options.w=null] The write concern.
+ * @param {number} [options.wtimeout=null] The write concern timeout.
+ * @param {boolean} [options.j=false] Specify a journal write concern.
+ * @param {boolean} [options.fsync=false] Specify a file sync write concern.
+ * @param {object} [options.customData=null] Custom data associated with the user (only Mongodb 2.6 or higher)
+ * @param {object[]} [options.roles=null] Roles associated with the created user (only Mongodb 2.6 or higher)
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.addUser = function(username, password, options, callback) {
+  var self = this;
+  var args = Array.prototype.slice.call(arguments, 2);
+  callback = args.pop();
+  if(typeof callback != 'function') args.push(callback);
+  options = args.length ? args.shift() : {};
+  options = options || {};
+  // Get the options
+  options = writeConcern(options, self.s.db)
+  // Set the db name to admin
+  options.dbName = 'admin';
+
+  // Execute using callback
+  if(typeof callback == 'function')
+    return self.s.db.addUser(username, password, options, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.addUser(username, password, options, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('addUser', {callback: true, promise:true});
+
+/**
+ * Remove a user from a database
+ * @method
+ * @param {string} username The username.
+ * @param {object} [options=null] Optional settings.
+ * @param {(number|string)} [options.w=null] The write concern.
+ * @param {number} [options.wtimeout=null] The write concern timeout.
+ * @param {boolean} [options.j=false] Specify a journal write concern.
+ * @param {boolean} [options.fsync=false] Specify a file sync write concern.
+ * @param {Admin~resultCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.removeUser = function(username, options, callback) {
+  var self = this;
+  var args = Array.prototype.slice.call(arguments, 1);
+  callback = args.pop();
+  if(typeof callback != 'function') args.push(callback);
+  options = args.length ? args.shift() : {};
+  options = options || {};
+  // Get the options
+  options = writeConcern(options, self.s.db)
+  // Set the db name
+  options.dbName = 'admin';
+
+  // Execute using callback
+  if(typeof callback == 'function')
+    return self.s.db.removeUser(username, options, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.removeUser(username, options, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('removeUser', {callback: true, promise:true});
+
+/**
+ * Set the current profiling level of MongoDB
+ *
+ * @param {string} level The new profiling level (off, slow_only, all).
+ * @param {Admin~resultCallback} [callback] The command result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.setProfilingLevel = function(level, callback) {
+  var self = this;
+
+  // Execute using callback
+  if(typeof callback == 'function') return setProfilingLevel(self, level, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    setProfilingLevel(self, level, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+};
+
+var setProfilingLevel = function(self, level, callback) {
+  var command = {};
+  var profile = 0;
+
+  if(level == "off") {
+    profile = 0;
+  } else if(level == "slow_only") {
+    profile = 1;
+  } else if(level == "all") {
+    profile = 2;
+  } else {
+    return callback(new Error("Error: illegal profiling level value " + level));
+  }
+
+  // Set up the profile number
+  command['profile'] = profile;
+
+  self.s.db.executeDbAdminCommand(command, function(err, doc) {
+    doc = doc;
+
+    if(err == null && doc.ok === 1)
+      return callback(null, level);
+    return err != null ? callback(err, null) : callback(new Error("Error with profile command"), null);
+  });
+}
+
+define.classMethod('setProfilingLevel', {callback: true, promise:true});
+
+/**
+ * Retrive the current profiling information for MongoDB
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.profilingInfo = function(callback) {
+  var self = this;
+
+  // Execute using callback
+  if(typeof callback == 'function') return profilingInfo(self, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    profilingInfo(self, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+};
+
+var profilingInfo = function(self, callback) {
+  try {
+    self.s.topology.cursor("admin.system.profile", { find: 'system.profile', query: {}}, {}).toArray(callback);
+  } catch (err) {
+    return callback(err, null);
+  }
+}
+
+define.classMethod('profilingLevel', {callback: true, promise:true});
+
+/**
+ * Validate an existing collection
+ *
+ * @param {string} collectionName The name of the collection to validate.
+ * @param {object} [options=null] Optional settings.
+ * @param {Admin~resultCallback} [callback] The command result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.validateCollection = function(collectionName, options, callback) {
+  var self = this;
+  var args = Array.prototype.slice.call(arguments, 1);
+  callback = args.pop();
+  if(typeof callback != 'function') args.push(callback);
+  options = args.length ? args.shift() : {};
+  options = options || {};
+
+  // Execute using callback
+  if(typeof callback == 'function')
+    return validateCollection(self, collectionName, options, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    validateCollection(self, collectionName, options, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+};
+
+var validateCollection = function(self, collectionName, options, callback) {
+  var command = {validate: collectionName};
+  var keys = Object.keys(options);
+
+  // Decorate command with extra options
+  for(var i = 0; i < keys.length; i++) {
+    if(options.hasOwnProperty(keys[i])) {
+      command[keys[i]] = options[keys[i]];
+    }
+  }
+
+  self.s.db.command(command, function(err, doc) {
+    if(err != null) return callback(err, null);
+
+    if(doc.ok === 0)
+      return callback(new Error("Error with validate command"), null);
+    if(doc.result != null && doc.result.constructor != String)
+      return callback(new Error("Error with validation data"), null);
+    if(doc.result != null && doc.result.match(/exception|corrupt/) != null)
+      return callback(new Error("Error: invalid collection " + collectionName), null);
+    if(doc.valid != null && !doc.valid)
+      return callback(new Error("Error: invalid collection " + collectionName), null);
+
+    return callback(null, doc);
+  });
+}
+
+define.classMethod('validateCollection', {callback: true, promise:true});
+
+/**
+ * List the available databases
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.listDatabases = function(callback) {
+  var self = this;
+  // Execute using callback
+  if(typeof callback == 'function') return self.s.db.executeDbAdminCommand({listDatabases:1}, {}, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    self.s.db.executeDbAdminCommand({listDatabases:1}, {}, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('listDatabases', {callback: true, promise:true});
+
+/**
+ * Get ReplicaSet status
+ *
+ * @param {Admin~resultCallback} [callback] The command result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+Admin.prototype.replSetGetStatus = function(callback) {
+  var self = this;
+  // Execute using callback
+  if(typeof callback == 'function') return replSetGetStatus(self, callback);
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    replSetGetStatus(self, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+};
+
+var replSetGetStatus = function(self, callback) {
+  self.s.db.executeDbAdminCommand({replSetGetStatus:1}, function(err, doc) {
+    if(err == null && doc.ok === 1)
+      return callback(null, doc);
+    if(err) return callback(err, false);
+    callback(toError(doc), false);
+  });
+}
+
+define.classMethod('replSetGetStatus', {callback: true, promise:true});
+
+module.exports = Admin;

node_modules/mongodb/lib/aggregation_cursor.js

@@ -0,0 +1,432 @@
+"use strict";
+
+var inherits = require('util').inherits
+  , f = require('util').format
+  , toError = require('./utils').toError
+  , getSingleProperty = require('./utils').getSingleProperty
+  , formattedOrderClause = require('./utils').formattedOrderClause
+  , handleCallback = require('./utils').handleCallback
+  , Logger = require('mongodb-core').Logger
+  , EventEmitter = require('events').EventEmitter
+  , ReadPreference = require('./read_preference')
+  , MongoError = require('mongodb-core').MongoError
+  , Readable = require('stream').Readable || require('readable-stream').Readable
+  , Define = require('./metadata')
+  , CoreCursor = require('./cursor')
+  , Query = require('mongodb-core').Query
+  , CoreReadPreference = require('mongodb-core').ReadPreference;
+
+/**
+ * @fileOverview The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
+ * allowing for iteration over the results returned from the underlying query. It supports
+ * one by one document iteration, conversion to an array or can be iterated as a Node 0.10.X
+ * or higher stream
+ *
+ * **AGGREGATIONCURSOR Cannot directly be instantiated**
+ * @example
+ * var MongoClient = require('mongodb').MongoClient,
+ *   test = require('assert');
+ * // Connection url
+ * var url = 'mongodb://localhost:27017/test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, db) {
+ *   // Create a collection we want to drop later
+ *   var col = db.collection('createIndexExample1');
+ *   // Insert a bunch of documents
+ *   col.insert([{a:1, b:1}
+ *     , {a:2, b:2}, {a:3, b:3}
+ *     , {a:4, b:4}], {w:1}, function(err, result) {
+ *     test.equal(null, err);
+ *     // Show that duplicate records got dropped
+ *     col.aggregation({}, {cursor: {}}).toArray(function(err, items) {
+ *       test.equal(null, err);
+ *       test.equal(4, items.length);
+ *       db.close();
+ *     });
+ *   });
+ * });
+ */
+
+/**
+ * Namespace provided by the browser.
+ * @external Readable
+ */
+
+/**
+ * Creates a new Aggregation Cursor instance (INTERNAL TYPE, do not instantiate directly)
+ * @class AggregationCursor
+ * @extends external:Readable
+ * @fires AggregationCursor#data
+ * @fires AggregationCursor#end
+ * @fires AggregationCursor#close
+ * @fires AggregationCursor#readable
+ * @return {AggregationCursor} an AggregationCursor instance.
+ */
+var AggregationCursor = function(bson, ns, cmd, options, topology, topologyOptions) {
+  CoreCursor.apply(this, Array.prototype.slice.call(arguments, 0));
+  var self = this;
+  var state = AggregationCursor.INIT;
+  var streamOptions = {};
+
+  // MaxTimeMS
+  var maxTimeMS = null;
+
+  // Get the promiseLibrary
+  var promiseLibrary = options.promiseLibrary;
+
+  // No promise library selected fall back
+  if(!promiseLibrary) {
+    promiseLibrary = typeof global.Promise == 'function' ?
+      global.Promise : require('es6-promise').Promise;
+  }
+
+  // Set up
+  Readable.call(this, {objectMode: true});
+
+  // Internal state
+  this.s = {
+    // MaxTimeMS
+      maxTimeMS: maxTimeMS
+    // State
+    , state: state
+    // Stream options
+    , streamOptions: streamOptions
+    // BSON
+    , bson: bson
+    // Namespae
+    , ns: ns
+    // Command
+    , cmd: cmd
+    // Options
+    , options: options
+    // Topology
+    , topology: topology
+    // Topology Options
+    , topologyOptions: topologyOptions
+    // Promise library
+    , promiseLibrary: promiseLibrary
+  }
+}
+
+/**
+ * AggregationCursor stream data event, fired for each document in the cursor.
+ *
+ * @event AggregationCursor#data
+ * @type {object}
+ */
+
+/**
+ * AggregationCursor stream end event
+ *
+ * @event AggregationCursor#end
+ * @type {null}
+ */
+
+/**
+ * AggregationCursor stream close event
+ *
+ * @event AggregationCursor#close
+ * @type {null}
+ */
+
+/**
+ * AggregationCursor stream readable event
+ *
+ * @event AggregationCursor#readable
+ * @type {null}
+ */
+
+// Inherit from Readable
+inherits(AggregationCursor, Readable);
+
+// Set the methods to inherit from prototype
+var methodsToInherit = ['_next', 'next', 'each', 'forEach', 'toArray'
+  , 'rewind', 'bufferedCount', 'readBufferedDocuments', 'close', 'isClosed', 'kill'
+  , '_find', '_getmore', '_killcursor', 'isDead', 'explain', 'isNotified'];
+
+// Extend the Cursor
+for(var name in CoreCursor.prototype) {
+  AggregationCursor.prototype[name] = CoreCursor.prototype[name];
+}
+
+var define = AggregationCursor.define = new Define('AggregationCursor', AggregationCursor, true);
+
+/**
+ * Set the batch size for the cursor.
+ * @method
+ * @param {number} value The batchSize for the cursor.
+ * @throws {MongoError}
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.batchSize = function(value) {
+  if(this.s.state == AggregationCursor.CLOSED || this.isDead()) throw MongoError.create({message: "Cursor is closed", driver:true });
+  if(typeof value != 'number') throw MongoError.create({message: "batchSize requires an integer", drvier:true });
+  if(this.s.cmd.cursor) this.s.cmd.cursor.batchSize = value;
+  this.setCursorBatchSize(value);
+  return this;
+}
+
+define.classMethod('batchSize', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a geoNear stage to the aggregation pipeline
+ * @method
+ * @param {object} document The geoNear stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.geoNear = function(document) {
+  this.s.cmd.pipeline.push({$geoNear: document});
+  return this;
+}
+
+define.classMethod('geoNear', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a group stage to the aggregation pipeline
+ * @method
+ * @param {object} document The group stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.group = function(document) {
+  this.s.cmd.pipeline.push({$group: document});
+  return this;
+}
+
+define.classMethod('group', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a limit stage to the aggregation pipeline
+ * @method
+ * @param {number} value The state limit value.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.limit = function(value) {
+  this.s.cmd.pipeline.push({$limit: value});
+  return this;
+}
+
+define.classMethod('limit', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a match stage to the aggregation pipeline
+ * @method
+ * @param {object} document The match stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.match = function(document) {
+  this.s.cmd.pipeline.push({$match: document});
+  return this;
+}
+
+define.classMethod('match', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a maxTimeMS stage to the aggregation pipeline
+ * @method
+ * @param {number} value The state maxTimeMS value.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.maxTimeMS = function(value) {
+  if(this.s.topology.lastIsMaster().minWireVersion > 2) {
+    this.s.cmd.maxTimeMS = value;
+  }
+  return this;
+}
+
+define.classMethod('maxTimeMS', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a out stage to the aggregation pipeline
+ * @method
+ * @param {number} destination The destination name.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.out = function(destination) {
+  this.s.cmd.pipeline.push({$out: destination});
+  return this;
+}
+
+define.classMethod('out', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a project stage to the aggregation pipeline
+ * @method
+ * @param {object} document The project stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.project = function(document) {
+  this.s.cmd.pipeline.push({$project: document});
+  return this;
+}
+
+define.classMethod('project', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a redact stage to the aggregation pipeline
+ * @method
+ * @param {object} document The redact stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.redact = function(document) {
+  this.s.cmd.pipeline.push({$redact: document});
+  return this;
+}
+
+define.classMethod('redact', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a skip stage to the aggregation pipeline
+ * @method
+ * @param {number} value The state skip value.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.skip = function(value) {
+  this.s.cmd.pipeline.push({$skip: value});
+  return this;
+}
+
+define.classMethod('skip', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a sort stage to the aggregation pipeline
+ * @method
+ * @param {object} document The sort stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.sort = function(document) {
+  this.s.cmd.pipeline.push({$sort: document});
+  return this;
+}
+
+define.classMethod('sort', {callback: false, promise:false, returns: [AggregationCursor]});
+
+/**
+ * Add a unwind stage to the aggregation pipeline
+ * @method
+ * @param {number} field The unwind field name.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.unwind = function(field) {
+  this.s.cmd.pipeline.push({$unwind: field});
+  return this;
+}
+
+define.classMethod('unwind', {callback: false, promise:false, returns: [AggregationCursor]});
+
+AggregationCursor.prototype.get = AggregationCursor.prototype.toArray;
+
+// Inherited methods
+define.classMethod('toArray', {callback: true, promise:true});
+define.classMethod('each', {callback: true, promise:false});
+define.classMethod('forEach', {callback: true, promise:false});
+define.classMethod('next', {callback: true, promise:true});
+define.classMethod('close', {callback: true, promise:true});
+define.classMethod('isClosed', {callback: false, promise:false, returns: [Boolean]});
+define.classMethod('rewind', {callback: false, promise:false});
+define.classMethod('bufferedCount', {callback: false, promise:false, returns: [Number]});
+define.classMethod('readBufferedDocuments', {callback: false, promise:false, returns: [Array]});
+
+/**
+ * Get the next available document from the cursor, returns null if no more documents are available.
+ * @function AggregationCursor.prototype.next
+ * @param {AggregationCursor~resultCallback} [callback] The result callback.
+ * @throws {MongoError}
+ * @return {Promise} returns Promise if no callback passed
+ */
+
+/**
+ * The callback format for results
+ * @callback AggregationCursor~toArrayResultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {object[]} documents All the documents the satisfy the cursor.
+ */
+
+/**
+ * Returns an array of documents. The caller is responsible for making sure that there
+ * is enough memory to store the results. Note that the array only contain partial
+ * results when this cursor had been previouly accessed. In that case,
+ * cursor.rewind() can be used to reset the cursor.
+ * @method AggregationCursor.prototype.toArray
+ * @param {AggregationCursor~toArrayResultCallback} [callback] The result callback.
+ * @throws {MongoError}
+ * @return {Promise} returns Promise if no callback passed
+ */
+
+/**
+ * The callback format for results
+ * @callback AggregationCursor~resultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {(object|null)} result The result object if the command was executed successfully.
+ */
+
+/**
+ * Iterates over all the documents for this cursor. As with **{cursor.toArray}**,
+ * not all of the elements will be iterated if this cursor had been previouly accessed.
+ * In that case, **{cursor.rewind}** can be used to reset the cursor. However, unlike
+ * **{cursor.toArray}**, the cursor will only hold a maximum of batch size elements
+ * at any given time if batch size is specified. Otherwise, the caller is responsible
+ * for making sure that the entire result can fit the memory.
+ * @method AggregationCursor.prototype.each
+ * @param {AggregationCursor~resultCallback} callback The result callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+
+/**
+ * Close the cursor, sending a AggregationCursor command and emitting close.
+ * @method AggregationCursor.prototype.close
+ * @param {AggregationCursor~resultCallback} [callback] The result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+
+/**
+ * Is the cursor closed
+ * @method AggregationCursor.prototype.isClosed
+ * @return {boolean}
+ */
+
+/**
+ * Execute the explain for the cursor
+ * @method AggregationCursor.prototype.explain
+ * @param {AggregationCursor~resultCallback} [callback] The result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+
+/**
+ * Clone the cursor
+ * @function AggregationCursor.prototype.clone
+ * @return {AggregationCursor}
+ */
+
+/**
+ * Resets the cursor
+ * @function AggregationCursor.prototype.rewind
+ * @return {AggregationCursor}
+ */
+
+/**
+ * The callback format for the forEach iterator method
+ * @callback AggregationCursor~iteratorCallback
+ * @param {Object} doc An emitted document for the iterator
+ */
+
+/**
+ * The callback error format for the forEach iterator method
+ * @callback AggregationCursor~endCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ */
+
+/*
+ * Iterates over all the documents for this cursor using the iterator, callback pattern.
+ * @method AggregationCursor.prototype.forEach
+ * @param {AggregationCursor~iteratorCallback} iterator The iteration callback.
+ * @param {AggregationCursor~endCallback} callback The end callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+
+AggregationCursor.INIT = 0;
+AggregationCursor.OPEN = 1;
+AggregationCursor.CLOSED = 2;
+
+module.exports = AggregationCursor;

node_modules/mongodb/lib/apm.js

@@ -0,0 +1,608 @@
+var EventEmitter = require('events').EventEmitter,
+  inherits = require('util').inherits;
+
+// Get prototypes
+var AggregationCursor = require('./aggregation_cursor'),
+  CommandCursor = require('./command_cursor'),
+  OrderedBulkOperation = require('./bulk/ordered').OrderedBulkOperation,
+  UnorderedBulkOperation = require('./bulk/unordered').UnorderedBulkOperation,
+  GridStore = require('./gridfs/grid_store'),
+  Server = require('./server'),
+  ReplSet = require('./replset'),
+  Mongos = require('./mongos'),
+  Cursor = require('./cursor'),
+  Collection = require('./collection'),
+  Db = require('./db'),
+  Admin = require('./admin');
+
+var basicOperationIdGenerator = {
+  operationId: 1,
+
+  next: function() {
+    return this.operationId++;
+  }
+}
+
+var basicTimestampGenerator = {
+  current: function() {
+    return new Date().getTime();
+  },
+  
+  duration: function(start, end) {
+    return end - start;
+  }
+}
+
+var senstiveCommands = ['authenticate', 'saslStart', 'saslContinue', 'getnonce',
+  'createUser', 'updateUser', 'copydbgetnonce', 'copydbsaslstart', 'copydb'];
+
+var Instrumentation = function(core, options, callback) {
+  options = options || {};
+
+  // Optional id generators
+  var operationIdGenerator = options.operationIdGenerator || basicOperationIdGenerator;
+  // Optional timestamp generator
+  var timestampGenerator = options.timestampGenerator || basicTimestampGenerator;
+  // Extend with event emitter functionality
+  EventEmitter.call(this);
+
+  // Contains all the instrumentation overloads
+  this.overloads = [];
+
+  // ---------------------------------------------------------
+  //
+  // Instrument prototype
+  //
+  // ---------------------------------------------------------
+
+  var instrumentPrototype = function(callback) {
+    var instrumentations = []
+
+    // Classes to support
+    var classes = [GridStore, OrderedBulkOperation, UnorderedBulkOperation, 
+      CommandCursor, AggregationCursor, Cursor, Collection, Db];
+
+    // Add instrumentations to the available list
+    for(var i = 0; i < classes.length; i++) {
+      if(classes[i].define) {
+        instrumentations.push(classes[i].define.generate());
+      }
+    }
+
+    // Return the list of instrumentation points
+    callback(null, instrumentations);
+  }
+
+  // Did the user want to instrument the prototype
+  if(typeof callback == 'function') {
+    instrumentPrototype(callback);
+  }
+
+  // ---------------------------------------------------------
+  //
+  // Server
+  //
+  // ---------------------------------------------------------
+
+  // Reference
+  var self = this;
+  // Names of methods we need to wrap
+  var methods = ['command', 'insert', 'update', 'remove'];
+  // Prototype
+  var proto = core.Server.prototype;
+  // Core server method we are going to wrap
+  methods.forEach(function(x) {
+    var func = proto[x];
+
+    // Add to overloaded methods
+    self.overloads.push({proto: proto, name:x, func:func});
+
+    // The actual prototype
+    proto[x] = function() {
+      var requestId = core.Query.nextRequestId();
+      // Get the aruments
+      var args = Array.prototype.slice.call(arguments, 0);
+      var ns = args[0];
+      var commandObj = args[1];
+      var options = args[2] || {};
+      var keys = Object.keys(commandObj);
+      var commandName = keys[0];
+      var db = ns.split('.')[0];
+
+      // Do we have a legacy insert/update/remove command
+      if(x == 'insert' && !this.lastIsMaster().maxWireVersion) {
+        commandName = 'insert';
+        // Get the collection
+        var col = ns.split('.');
+        col.shift();
+        col = col.join('.');
+
+        // Re-write the command
+        commandObj = {
+          insert: col, documents: commandObj
+        }
+
+        if(options.writeConcern && Object.keys(options.writeConcern).length > 0)  {
+          commandObj.writeConcern = options.writeConcern;
+        }
+
+        commandObj.ordered = options.ordered != undefined ? options.ordered : true;
+      } else if(x == 'update' && !this.lastIsMaster().maxWireVersion) {
+        commandName = 'update';
+
+        // Get the collection
+        var col = ns.split('.');
+        col.shift();
+        col = col.join('.');
+
+        // Re-write the command
+        commandObj = {
+          update: col, updates: commandObj
+        }
+
+        if(options.writeConcern && Object.keys(options.writeConcern).length > 0) {
+          commandObj.writeConcern = options.writeConcern;
+        }
+
+        commandObj.ordered = options.ordered != undefined ? options.ordered : true;
+      } else if(x == 'remove' && !this.lastIsMaster().maxWireVersion) {
+        commandName = 'delete';
+
+        // Get the collection
+        var col = ns.split('.');
+        col.shift();
+        col = col.join('.');
+
+        // Re-write the command
+        commandObj = {
+          delete: col, deletes: commandObj
+        }
+
+        if(options.writeConcern && Object.keys(options.writeConcern).length > 0) {
+          commandObj.writeConcern = options.writeConcern;
+        }
+
+        commandObj.ordered = options.ordered != undefined ? options.ordered : true;
+      } else if(x == 'insert' || x == 'update' || x == 'remove' && this.lastIsMaster().maxWireVersion >= 2) {
+        // Skip the insert/update/remove commands as they are executed as actual write commands in 2.6 or higher
+        return func.apply(this, args);        
+      }
+
+      // Get the callback
+      var callback = args.pop();
+      // Set current callback operation id from the current context or create
+      // a new one
+      var ourOpId = callback.operationId || operationIdGenerator.next();
+
+      // Get a connection reference for this server instance
+      var connection = this.s.pool.get()
+      
+      // Emit the start event for the command
+      var command = {
+        // Returns the command.
+        command: commandObj,
+        // Returns the database name.
+        databaseName: db,
+        // Returns the command name.
+        commandName: commandName,
+        // Returns the driver generated request id.
+        requestId: requestId,
+        // Returns the driver generated operation id.
+        // This is used to link events together such as bulk write operations. OPTIONAL.
+        operationId: ourOpId,
+        // Returns the connection id for the command. For languages that do not have this,
+        // this MUST return the driver equivalent which MUST include the server address and port.
+        // The name of this field is flexible to match the object that is returned from the driver.
+        connectionId: connection
+      };
+
+      // Filter out any sensitive commands
+      if(senstiveCommands.indexOf(commandName.toLowerCase())) {
+        command.commandObj = {};
+        command.commandObj[commandName] = true;
+      }
+
+      // Emit the started event
+      self.emit('started', command)
+
+      // Start time
+      var startTime = timestampGenerator.current();
+
+      // Push our handler callback
+      args.push(function(err, r) {
+        var endTime = timestampGenerator.current();
+        var command = {
+          duration: timestampGenerator.duration(startTime, endTime),
+          commandName: commandName,
+          requestId: requestId,
+          operationId: ourOpId,
+          connectionId: connection
+        };
+
+        // If we have an error
+        if(err || (r && r.result && r.result.ok == 0)) {
+          command.failure = err || r.result.writeErrors || r.result;
+
+          // Filter out any sensitive commands
+          if(senstiveCommands.indexOf(commandName.toLowerCase())) {
+            command.failure = {};
+          }
+
+          self.emit('failed', command);
+        } else if(commandObj && commandObj.writeConcern 
+          && commandObj.writeConcern.w == 0) {
+          // If we have write concern 0
+          command.reply = {ok:1};
+          self.emit('succeeded', command);
+        } else {
+          command.reply = r && r.result ? r.result : r;
+
+          // Filter out any sensitive commands
+          if(senstiveCommands.indexOf(commandName.toLowerCase()) != -1) {
+            command.reply = {};
+          }
+
+          self.emit('succeeded', command);
+        }
+
+        // Return to caller
+        callback(err, r);
+      });
+
+      // Apply the call
+      func.apply(this, args);
+    }
+  });
+
+  // ---------------------------------------------------------
+  //
+  // Bulk Operations
+  //
+  // ---------------------------------------------------------
+
+  // Inject ourselves into the Bulk methods
+  var methods = ['execute'];
+  var prototypes = [
+    require('./bulk/ordered').Bulk.prototype,
+    require('./bulk/unordered').Bulk.prototype
+  ]
+
+  prototypes.forEach(function(proto) {
+    // Core server method we are going to wrap
+    methods.forEach(function(x) {
+      var func = proto[x];
+
+      // Add to overloaded methods
+      self.overloads.push({proto: proto, name:x, func:func});
+
+      // The actual prototype
+      proto[x] = function() {
+        var bulk = this;
+        // Get the aruments
+        var args = Array.prototype.slice.call(arguments, 0);
+        // Set an operation Id on the bulk object
+        this.operationId = operationIdGenerator.next();
+
+        // Get the callback
+        var callback = args.pop();
+        // If we have a callback use this
+        if(typeof callback == 'function') {
+          args.push(function(err, r) {
+            // Return to caller
+            callback(err, r);
+          });
+
+          // Apply the call
+          func.apply(this, args);
+        } else {
+          return func.apply(this, args);
+        }
+      }
+    });
+  });
+
+  // ---------------------------------------------------------
+  //
+  // Cursor
+  //
+  // ---------------------------------------------------------
+
+  // Inject ourselves into the Cursor methods
+  var methods = ['_find', '_getmore', '_killcursor'];
+  var prototypes = [
+    require('./cursor').prototype,
+    require('./command_cursor').prototype,
+    require('./aggregation_cursor').prototype
+  ]
+
+  // Command name translation
+  var commandTranslation = {
+    '_find': 'find', '_getmore': 'getMore', '_killcursor': 'killCursors', '_explain': 'explain'
+  }
+
+  prototypes.forEach(function(proto) {
+
+    // Core server method we are going to wrap
+    methods.forEach(function(x) {
+      var func = proto[x];
+
+      // Add to overloaded methods
+      self.overloads.push({proto: proto, name:x, func:func});
+
+      // The actual prototype
+      proto[x] = function() {
+        var cursor = this;
+        var requestId = core.Query.nextRequestId();
+        var ourOpId = operationIdGenerator.next();
+        var parts = this.ns.split('.');
+        var db = parts[0];
+
+        // Get the collection
+        parts.shift();
+        var collection = parts.join('.');
+
+        // Set the command
+        var command = this.query;
+        var cmd = this.s.cmd;
+
+        // If we have a find method, set the operationId on the cursor
+        if(x == '_find') {
+          cursor.operationId = ourOpId;
+        }
+
+        // Do we have a find command rewrite it
+        if(x == '_getmore') {
+          command = {
+            getMore: this.cursorState.cursorId,
+            collection: collection,
+            batchSize: cmd.batchSize
+          }
+
+          if(cmd.maxTimeMS) command.maxTimeMS = cmd.maxTimeMS;
+        } else if(x == '_killcursors') {
+          command = {
+            killCursors: collection,
+            cursors: [this.cursorState.cursorId]
+          }
+        } else if(cmd.find) {
+          command = {
+            find: collection, filter: cmd.query
+          }
+
+          if(cmd.sort) command.sort = cmd.sort;
+          if(cmd.fields) command.projection = cmd.fields;
+          if(cmd.limit && cmd.limit < 0) {
+            command.limit = Math.abs(cmd.limit);
+            command.singleBatch = true;
+          } else if(cmd.limit) {
+            command.limit = Math.abs(cmd.limit);
+          }
+
+          // Options
+          if(cmd.skip) command.skip = cmd.skip;
+          if(cmd.hint) command.hint = cmd.hint;
+          if(cmd.batchSize) command.batchSize = cmd.batchSize;
+          if(typeof cmd.returnKey == 'boolean') command.returnKey = cmd.returnKey;
+          if(cmd.comment) command.comment = cmd.comment;
+          if(cmd.min) command.min = cmd.min;
+          if(cmd.max) command.max = cmd.max;
+          if(cmd.maxScan) command.maxScan = cmd.maxScan;
+          if(cmd.maxTimeMS) command.maxTimeMS = cmd.maxTimeMS;
+
+          // Flags
+          if(typeof cmd.awaitData == 'boolean') command.awaitData = cmd.awaitData;
+          if(typeof cmd.snapshot == 'boolean') command.snapshot = cmd.snapshot;
+          if(typeof cmd.tailable == 'boolean') command.tailable = cmd.tailable;
+          if(typeof cmd.oplogReplay == 'boolean') command.oplogReplay = cmd.oplogReplay;
+          if(typeof cmd.noCursorTimeout == 'boolean') command.noCursorTimeout = cmd.noCursorTimeout;
+          if(typeof cmd.partial == 'boolean') command.partial = cmd.partial;
+          if(typeof cmd.showDiskLoc == 'boolean') command.showRecordId = cmd.showDiskLoc;
+
+          // Read Concern
+          if(cmd.readConcern) command.readConcern = cmd.readConcern;
+
+          // Override method
+          if(cmd.explain) command.explain = cmd.explain;
+          if(cmd.exhaust) command.exhaust = cmd.exhaust;
+
+          // If we have a explain flag
+          if(cmd.explain) {
+            // Create fake explain command
+            command = {
+              explain: command,
+              verbosity: 'allPlansExecution'
+            }
+
+            // Set readConcern on the command if available
+            if(cmd.readConcern) command.readConcern = cmd.readConcern
+
+            // Set up the _explain name for the command
+            x = '_explain';
+          }
+        } else {
+          command = cmd;
+        }
+
+        // Set up the connection
+        var connectionId = null;
+        
+        // Set local connection
+        if(this.connection) connectionId = this.connection;
+        if(!connectionId && this.server && this.server.getConnection) connectionId = this.server.getConnection();
+
+        // Get the command Name
+        var commandName = x == '_find' ? Object.keys(command)[0] : commandTranslation[x];
+
+        // Emit the start event for the command
+        var command = {
+          // Returns the command.
+          command: command,
+          // Returns the database name.
+          databaseName: db,
+          // Returns the command name.
+          commandName: commandName,
+          // Returns the driver generated request id.
+          requestId: requestId,
+          // Returns the driver generated operation id.
+          // This is used to link events together such as bulk write operations. OPTIONAL.
+          operationId: this.operationId,
+          // Returns the connection id for the command. For languages that do not have this,
+          // this MUST return the driver equivalent which MUST include the server address and port.
+          // The name of this field is flexible to match the object that is returned from the driver.
+          connectionId: connectionId
+        };
+
+        // Get the aruments
+        var args = Array.prototype.slice.call(arguments, 0);
+
+        // Get the callback
+        var callback = args.pop();
+
+        // We do not have a callback but a Promise
+        if(typeof callback == 'function' || command.commandName == 'killCursors') {
+          var startTime = timestampGenerator.current();
+          // Emit the started event
+          self.emit('started', command)
+
+          // Emit succeeded event with killcursor if we have a legacy protocol
+          if(command.commandName == 'killCursors' 
+            && this.server.lastIsMaster() 
+            && this.server.lastIsMaster().maxWireVersion < 4) {
+            // Emit the succeeded command
+            var command = {
+              duration: timestampGenerator.duration(startTime, timestampGenerator.current()),
+              commandName: commandName,
+              requestId: requestId,
+              operationId: cursor.operationId,
+              connectionId: cursor.server.getConnection(),
+              reply: [{ok:1}]
+            };
+
+            // Emit the command
+            return self.emit('succeeded', command)
+          }
+
+          // Add our callback handler
+          args.push(function(err, r) {
+            if(err) {
+              // Command
+              var command = {
+                duration: timestampGenerator.duration(startTime, timestampGenerator.current()),
+                commandName: commandName,
+                requestId: requestId,
+                operationId: ourOpId,
+                connectionId: cursor.server.getConnection(),
+                failure: err };
+
+              // Emit the command
+              self.emit('failed', command)
+            } else {
+
+              // Do we have a getMore
+              if(commandName.toLowerCase() == 'getmore' && r == null) {
+                r = {
+                  cursor: {
+                    id: cursor.cursorState.cursorId,
+                    ns: cursor.ns,
+                    nextBatch: cursor.cursorState.documents
+                  }, ok:1
+                }
+              } else if(commandName.toLowerCase() == 'find' && r == null) {
+                r = {
+                  cursor: {
+                    id: cursor.cursorState.cursorId,
+                    ns: cursor.ns,
+                    firstBatch: cursor.cursorState.documents
+                  }, ok:1
+                }
+              } else if(commandName.toLowerCase() == 'killcursors' && r == null) {
+                r = {
+                  cursorsUnknown:[cursor.cursorState.lastCursorId], 
+                  ok:1
+                }
+              }
+
+              // cursor id is zero, we can issue success command
+              var command = {
+                duration: timestampGenerator.duration(startTime, timestampGenerator.current()),
+                commandName: commandName,
+                requestId: requestId,
+                operationId: cursor.operationId,
+                connectionId: cursor.server.getConnection(),
+                reply: r && r.result ? r.result : r
+              };
+
+              // Emit the command
+              self.emit('succeeded', command)
+            }
+
+            // Return
+            if(!callback) return;
+            
+            // Return to caller
+            callback(err, r);
+          });
+
+          // Apply the call
+          func.apply(this, args);
+        } else {
+          // Assume promise, push back the missing value
+          args.push(callback);
+          // Get the promise
+          var promise = func.apply(this, args);
+          // Return a new promise
+          return new cursor.s.promiseLibrary(function(resolve, reject) {
+            var startTime = timestampGenerator.current();
+            // Emit the started event
+            self.emit('started', command)
+            // Execute the function
+            promise.then(function(r) {
+              // cursor id is zero, we can issue success command
+              var command = {
+                duration: timestampGenerator.duration(startTime, timestampGenerator.current()),
+                commandName: commandName,
+                requestId: requestId,
+                operationId: cursor.operationId,
+                connectionId: cursor.server.getConnection(),
+                reply: cursor.cursorState.documents
+              };
+
+              // Emit the command
+              self.emit('succeeded', command)
+            }).catch(function(err) {
+              // Command
+              var command = {
+                duration: timestampGenerator.duration(startTime, timestampGenerator.current()),
+                commandName: commandName,
+                requestId: requestId,
+                operationId: ourOpId,
+                connectionId: cursor.server.getConnection(),
+                failure: err };
+
+              // Emit the command
+              self.emit('failed', command)
+              // reject the promise
+              reject(err);
+            });
+          });
+        }
+      }
+    });
+  });
+}
+
+inherits(Instrumentation, EventEmitter);
+
+Instrumentation.prototype.uninstrument = function() {
+  for(var i = 0; i < this.overloads.length; i++) {
+    var obj = this.overloads[i];
+    obj.proto[obj.name] = obj.func;
+  }
+
+  // Remove all listeners
+  this.removeAllListeners('started');
+  this.removeAllListeners('succeeded');
+  this.removeAllListeners('failed');
+}
+
+module.exports = Instrumentation;

node_modules/mongodb/lib/bulk/common.js

@@ -0,0 +1,393 @@
+"use strict";
+
+var utils = require('../utils');
+
+// Error codes
+var UNKNOWN_ERROR = 8;
+var INVALID_BSON_ERROR = 22;
+var WRITE_CONCERN_ERROR = 64;
+var MULTIPLE_ERROR = 65;
+
+// Insert types
+var INSERT = 1;
+var UPDATE = 2;
+var REMOVE = 3
+
+
+// Get write concern
+var writeConcern = function(target, col, options) {
+  if(options.w != null || options.j != null || options.fsync != null) {
+    target.writeConcern = options;
+  } else if(col.writeConcern.w != null || col.writeConcern.j != null || col.writeConcern.fsync != null) {
+    target.writeConcern = col.writeConcern;
+  }
+
+  return target
+}
+
+/**
+ * Helper function to define properties
+ * @ignore
+ */
+var defineReadOnlyProperty = function(self, name, value) {
+  Object.defineProperty(self, name, {
+      enumerable: true
+    , get: function() {
+      return value;
+    }
+  });
+}
+
+/**
+ * Keeps the state of a unordered batch so we can rewrite the results
+ * correctly after command execution
+ * @ignore
+ */
+var Batch = function(batchType, originalZeroIndex) {
+  this.originalZeroIndex = originalZeroIndex;
+  this.currentIndex = 0;
+  this.originalIndexes = [];
+  this.batchType = batchType;
+  this.operations = [];
+  this.size = 0;
+  this.sizeBytes = 0;
+}
+
+/**
+ * Wraps a legacy operation so we can correctly rewrite it's error
+ * @ignore
+ */
+var LegacyOp = function(batchType, operation, index) {
+  this.batchType = batchType;
+  this.index = index;
+  this.operation = operation;
+}
+
+/**
+ * Create a new BulkWriteResult instance (INTERNAL TYPE, do not instantiate directly)
+ *
+ * @class
+ * @property {boolean} ok Did bulk operation correctly execute
+ * @property {number} nInserted number of inserted documents
+ * @property {number} nUpdated number of documents updated logically
+ * @property {number} nUpserted Number of upserted documents
+ * @property {number} nModified Number of documents updated physically on disk
+ * @property {number} nRemoved Number of removed documents
+ * @return {BulkWriteResult} a BulkWriteResult instance
+ */
+var BulkWriteResult = function(bulkResult) {
+  defineReadOnlyProperty(this, "ok", bulkResult.ok);
+  defineReadOnlyProperty(this, "nInserted", bulkResult.nInserted);
+  defineReadOnlyProperty(this, "nUpserted", bulkResult.nUpserted);
+  defineReadOnlyProperty(this, "nMatched", bulkResult.nMatched);
+  defineReadOnlyProperty(this, "nModified", bulkResult.nModified);
+  defineReadOnlyProperty(this, "nRemoved", bulkResult.nRemoved);
+
+  /**
+   * Return an array of inserted ids
+   *
+   * @return {object[]}
+   */
+  this.getInsertedIds = function() {
+    return bulkResult.insertedIds;
+  }
+
+  /**
+   * Return an array of upserted ids
+   *
+   * @return {object[]}
+   */
+  this.getUpsertedIds = function() {
+    return bulkResult.upserted;
+  }
+
+  /**
+   * Return the upserted id at position x
+   *
+   * @param {number} index the number of the upserted id to return, returns undefined if no result for passed in index
+   * @return {object}
+   */
+  this.getUpsertedIdAt = function(index) {
+    return bulkResult.upserted[index];
+  }
+
+  /**
+   * Return raw internal result
+   *
+   * @return {object}
+   */
+  this.getRawResponse = function() {
+    return bulkResult;
+  }
+
+  /**
+   * Returns true if the bulk operation contains a write error
+   *
+   * @return {boolean}
+   */
+  this.hasWriteErrors = function() {
+    return bulkResult.writeErrors.length > 0;
+  }
+
+  /**
+   * Returns the number of write errors off the bulk operation
+   *
+   * @return {number}
+   */
+  this.getWriteErrorCount = function() {
+    return bulkResult.writeErrors.length;
+  }
+
+  /**
+   * Returns a specific write error object
+   *
+   * @return {WriteError}
+   */
+  this.getWriteErrorAt = function(index) {
+    if(index < bulkResult.writeErrors.length) {
+      return bulkResult.writeErrors[index];
+    }
+    return null;
+  }
+
+  /**
+   * Retrieve all write errors
+   *
+   * @return {object[]}
+   */
+  this.getWriteErrors = function() {
+    return bulkResult.writeErrors;
+  }
+
+  /**
+   * Retrieve lastOp if available
+   *
+   * @return {object}
+   */
+  this.getLastOp = function() {
+    return bulkResult.lastOp;
+  }
+
+  /**
+   * Retrieve the write concern error if any
+   *
+   * @return {WriteConcernError}
+   */
+  this.getWriteConcernError = function() {
+    if(bulkResult.writeConcernErrors.length == 0) {
+      return null;
+    } else if(bulkResult.writeConcernErrors.length == 1) {
+      // Return the error
+      return bulkResult.writeConcernErrors[0];
+    } else {
+
+      // Combine the errors
+      var errmsg = "";
+      for(var i = 0; i < bulkResult.writeConcernErrors.length; i++) {
+        var err = bulkResult.writeConcernErrors[i];
+        errmsg = errmsg + err.errmsg;
+
+        // TODO: Something better
+        if(i == 0) errmsg = errmsg + " and ";
+      }
+
+      return new WriteConcernError({ errmsg : errmsg, code : WRITE_CONCERN_ERROR });
+    }
+  }
+
+  this.toJSON = function() {
+    return bulkResult;
+  }
+
+  this.toString = function() {
+    return "BulkWriteResult(" + this.toJSON(bulkResult) + ")";
+  }
+
+  this.isOk = function() {
+    return bulkResult.ok == 1;
+  }
+}
+
+/**
+ * Create a new WriteConcernError instance (INTERNAL TYPE, do not instantiate directly)
+ *
+ * @class
+ * @property {number} code Write concern error code.
+ * @property {string} errmsg Write concern error message.
+ * @return {WriteConcernError} a WriteConcernError instance
+ */
+var WriteConcernError = function(err) {
+  if(!(this instanceof WriteConcernError)) return new WriteConcernError(err);
+
+  // Define properties
+  defineReadOnlyProperty(this, "code", err.code);
+  defineReadOnlyProperty(this, "errmsg", err.errmsg);
+
+  this.toJSON = function() {
+    return {code: err.code, errmsg: err.errmsg};
+  }
+
+  this.toString = function() {
+    return "WriteConcernError(" + err.errmsg + ")";
+  }
+}
+
+/**
+ * Create a new WriteError instance (INTERNAL TYPE, do not instantiate directly)
+ *
+ * @class
+ * @property {number} code Write concern error code.
+ * @property {number} index Write concern error original bulk operation index.
+ * @property {string} errmsg Write concern error message.
+ * @return {WriteConcernError} a WriteConcernError instance
+ */
+var WriteError = function(err) {
+  if(!(this instanceof WriteError)) return new WriteError(err);
+
+  // Define properties
+  defineReadOnlyProperty(this, "code", err.code);
+  defineReadOnlyProperty(this, "index", err.index);
+  defineReadOnlyProperty(this, "errmsg", err.errmsg);
+
+  //
+  // Define access methods
+  this.getOperation = function() {
+    return err.op;
+  }
+
+  this.toJSON = function() {
+    return {code: err.code, index: err.index, errmsg: err.errmsg, op: err.op};
+  }
+
+  this.toString = function() {
+    return "WriteError(" + JSON.stringify(this.toJSON()) + ")";
+  }
+}
+
+/**
+ * Merges results into shared data structure
+ * @ignore
+ */
+var mergeBatchResults = function(ordered, batch, bulkResult, err, result) {
+  // If we have an error set the result to be the err object
+  if(err) {
+    result = err;
+  } else if(result && result.result) {
+    result = result.result;
+  } else if(result == null) {
+    return;
+  }
+
+  // Do we have a top level error stop processing and return
+  if(result.ok == 0 && bulkResult.ok == 1) {
+    bulkResult.ok = 0;
+    // bulkResult.error = utils.toError(result);
+    var writeError = {
+        index: 0
+      , code: result.code || 0
+      , errmsg: result.message
+      , op: batch.operations[0]
+    };
+
+    bulkResult.writeErrors.push(new WriteError(writeError));
+    return;
+  } else if(result.ok == 0 && bulkResult.ok == 0) {
+    return;
+  }
+
+  // Add lastop if available
+  if(result.lastOp) {
+    bulkResult.lastOp = result.lastOp;
+  }
+
+  // If we have an insert Batch type
+  if(batch.batchType == INSERT && result.n) {
+    bulkResult.nInserted = bulkResult.nInserted + result.n;
+  }
+
+  // If we have an insert Batch type
+  if(batch.batchType == REMOVE && result.n) {
+    bulkResult.nRemoved = bulkResult.nRemoved + result.n;
+  }
+
+  var nUpserted = 0;
+
+  // We have an array of upserted values, we need to rewrite the indexes
+  if(Array.isArray(result.upserted)) {
+    nUpserted = result.upserted.length;
+
+    for(var i = 0; i < result.upserted.length; i++) {
+      bulkResult.upserted.push({
+          index: result.upserted[i].index + batch.originalZeroIndex
+        , _id: result.upserted[i]._id
+      });
+    }
+  } else if(result.upserted) {
+
+    nUpserted = 1;
+
+    bulkResult.upserted.push({
+        index: batch.originalZeroIndex
+      , _id: result.upserted
+    });
+  }
+
+  // If we have an update Batch type
+  if(batch.batchType == UPDATE && result.n) {
+    var nModified = result.nModified;
+    bulkResult.nUpserted = bulkResult.nUpserted + nUpserted;
+    bulkResult.nMatched = bulkResult.nMatched + (result.n - nUpserted);
+
+    if(typeof nModified == 'number') {
+      bulkResult.nModified = bulkResult.nModified + nModified;
+    } else {
+      bulkResult.nModified = null;
+    }
+  }
+
+  if(Array.isArray(result.writeErrors)) {
+    for(var i = 0; i < result.writeErrors.length; i++) {
+
+      var writeError = {
+          index: batch.originalZeroIndex + result.writeErrors[i].index
+        , code: result.writeErrors[i].code
+        , errmsg: result.writeErrors[i].errmsg
+        , op: batch.operations[result.writeErrors[i].index]
+      };
+
+      bulkResult.writeErrors.push(new WriteError(writeError));
+    }
+  }
+
+  if(result.writeConcernError) {
+    bulkResult.writeConcernErrors.push(new WriteConcernError(result.writeConcernError));
+  }
+}
+
+//
+// Clone the options
+var cloneOptions = function(options) {
+  var clone = {};
+  var keys = Object.keys(options);
+  for(var i = 0; i < keys.length; i++) {
+    clone[keys[i]] = options[keys[i]];
+  }
+
+  return clone;
+}
+
+// Exports symbols
+exports.BulkWriteResult = BulkWriteResult;
+exports.WriteError = WriteError;
+exports.Batch = Batch;
+exports.LegacyOp = LegacyOp;
+exports.mergeBatchResults = mergeBatchResults;
+exports.cloneOptions = cloneOptions;
+exports.writeConcern = writeConcern;
+exports.INVALID_BSON_ERROR = INVALID_BSON_ERROR;
+exports.WRITE_CONCERN_ERROR = WRITE_CONCERN_ERROR;
+exports.MULTIPLE_ERROR = MULTIPLE_ERROR;
+exports.UNKNOWN_ERROR = UNKNOWN_ERROR;
+exports.INSERT = INSERT;
+exports.UPDATE = UPDATE;
+exports.REMOVE = REMOVE;

node_modules/mongodb/lib/bulk/ordered.js

@@ -0,0 +1,530 @@
+"use strict";
+
+var common = require('./common')
+	, utils = require('../utils')
+  , toError = require('../utils').toError
+	, f = require('util').format
+	, handleCallback = require('../utils').handleCallback
+	, shallowClone = utils.shallowClone
+  , WriteError = common.WriteError
+  , BulkWriteResult = common.BulkWriteResult
+  , LegacyOp = common.LegacyOp
+  , ObjectID = require('mongodb-core').BSON.ObjectID
+  , Define = require('../metadata')
+  , Batch = common.Batch
+  , mergeBatchResults = common.mergeBatchResults;
+
+/**
+ * Create a FindOperatorsOrdered instance (INTERNAL TYPE, do not instantiate directly)
+ * @class
+ * @return {FindOperatorsOrdered} a FindOperatorsOrdered instance.
+ */
+var FindOperatorsOrdered = function(self) {
+  this.s = self.s;
+}
+
+/**
+ * Add a single update document to the bulk operation
+ *
+ * @method
+ * @param {object} doc update operations
+ * @throws {MongoError}
+ * @return {OrderedBulkOperation}
+ */
+FindOperatorsOrdered.prototype.update = function(updateDocument) {
+  // Perform upsert
+  var upsert = typeof this.s.currentOp.upsert == 'boolean' ? this.s.currentOp.upsert : false;
+
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , u: updateDocument
+    , multi: true
+    , upsert: upsert
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the update document to the list
+  return addToOperationsList(this, common.UPDATE, document);
+}
+
+/**
+ * Add a single update one document to the bulk operation
+ *
+ * @method
+ * @param {object} doc update operations
+ * @throws {MongoError}
+ * @return {OrderedBulkOperation}
+ */
+FindOperatorsOrdered.prototype.updateOne = function(updateDocument) {
+  // Perform upsert
+  var upsert = typeof this.s.currentOp.upsert == 'boolean' ? this.s.currentOp.upsert : false;
+
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , u: updateDocument
+    , multi: false
+    , upsert: upsert
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the update document to the list
+  return addToOperationsList(this, common.UPDATE, document);
+}
+
+/**
+ * Add a replace one operation to the bulk operation
+ *
+ * @method
+ * @param {object} doc the new document to replace the existing one with
+ * @throws {MongoError}
+ * @return {OrderedBulkOperation}
+ */
+FindOperatorsOrdered.prototype.replaceOne = function(updateDocument) {
+  this.updateOne(updateDocument);
+}
+
+/**
+ * Upsert modifier for update bulk operation
+ *
+ * @method
+ * @throws {MongoError}
+ * @return {FindOperatorsOrdered}
+ */
+FindOperatorsOrdered.prototype.upsert = function() {
+  this.s.currentOp.upsert = true;
+  return this;
+}
+
+/**
+ * Add a remove one operation to the bulk operation
+ *
+ * @method
+ * @throws {MongoError}
+ * @return {OrderedBulkOperation}
+ */
+FindOperatorsOrdered.prototype.deleteOne = function() {
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , limit: 1
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the remove document to the list
+  return addToOperationsList(this, common.REMOVE, document);
+}
+
+// Backward compatibility
+FindOperatorsOrdered.prototype.removeOne = FindOperatorsOrdered.prototype.deleteOne;
+
+/**
+ * Add a remove operation to the bulk operation
+ *
+ * @method
+ * @throws {MongoError}
+ * @return {OrderedBulkOperation}
+ */
+FindOperatorsOrdered.prototype.delete = function() {
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , limit: 0
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the remove document to the list
+  return addToOperationsList(this, common.REMOVE, document);
+}
+
+// Backward compatibility
+FindOperatorsOrdered.prototype.remove = FindOperatorsOrdered.prototype.delete;
+
+// Add to internal list of documents
+var addToOperationsList = function(_self, docType, document) {
+  // Get the bsonSize
+  var bsonSize = _self.s.bson.calculateObjectSize(document, false);
+
+  // Throw error if the doc is bigger than the max BSON size
+  if(bsonSize >= _self.s.maxBatchSizeBytes) throw toError("document is larger than the maximum size " + _self.s.maxBatchSizeBytes);
+  // Create a new batch object if we don't have a current one
+  if(_self.s.currentBatch == null) _self.s.currentBatch = new Batch(docType, _self.s.currentIndex);
+
+  // Check if we need to create a new batch
+  if(((_self.s.currentBatchSize + 1) >= _self.s.maxWriteBatchSize)
+    || ((_self.s.currentBatchSizeBytes +  _self.s.currentBatchSizeBytes) >= _self.s.maxBatchSizeBytes)
+    || (_self.s.currentBatch.batchType != docType)) {
+    // Save the batch to the execution stack
+    _self.s.batches.push(_self.s.currentBatch);
+
+    // Create a new batch
+    _self.s.currentBatch = new Batch(docType, _self.s.currentIndex);
+
+    // Reset the current size trackers
+    _self.s.currentBatchSize = 0;
+    _self.s.currentBatchSizeBytes = 0;
+  } else {
+    // Update current batch size
+    _self.s.currentBatchSize = _self.s.currentBatchSize + 1;
+    _self.s.currentBatchSizeBytes = _self.s.currentBatchSizeBytes + bsonSize;
+  }
+
+  if(docType == common.INSERT) {
+    _self.s.bulkResult.insertedIds.push({index: _self.s.currentIndex, _id: document._id});
+  }
+
+  // We have an array of documents
+  if(Array.isArray(document)) {
+    throw toError("operation passed in cannot be an Array");
+  } else {
+    _self.s.currentBatch.originalIndexes.push(_self.s.currentIndex);
+    _self.s.currentBatch.operations.push(document)
+    _self.s.currentIndex = _self.s.currentIndex + 1;
+  }
+
+  // Return self
+  return _self;
+}
+
+/**
+ * Create a new OrderedBulkOperation instance (INTERNAL TYPE, do not instantiate directly)
+ * @class
+ * @property {number} length Get the number of operations in the bulk.
+ * @return {OrderedBulkOperation} a OrderedBulkOperation instance.
+ */
+function OrderedBulkOperation(topology, collection, options) {
+	options = options == null ? {} : options;
+	// TODO Bring from driver information in isMaster
+	var self = this;
+	var executed = false;
+
+	// Current item
+	var currentOp = null;
+
+	// Handle to the bson serializer, used to calculate running sizes
+	var bson = topology.bson;
+
+	// Namespace for the operation
+  var namespace = collection.collectionName;
+
+  // Set max byte size
+	var maxBatchSizeBytes = topology.isMasterDoc && topology.isMasterDoc.maxBsonObjectSize
+    ? topology.isMasterDoc.maxBsonObjectSize : (1024*1025*16);
+	var maxWriteBatchSize = topology.isMasterDoc && topology.isMasterDoc.maxWriteBatchSize
+    ? topology.isMasterDoc.maxWriteBatchSize : 1000;
+
+  // Get the write concern
+  var writeConcern = common.writeConcern(shallowClone(options), collection, options);
+
+  // Get the promiseLibrary
+  var promiseLibrary = options.promiseLibrary;
+
+  // No promise library selected fall back
+  if(!promiseLibrary) {
+    promiseLibrary = typeof global.Promise == 'function' ?
+      global.Promise : require('es6-promise').Promise;
+  }
+
+  // Current batch
+  var currentBatch = null;
+  var currentIndex = 0;
+  var currentBatchSize = 0;
+  var currentBatchSizeBytes = 0;
+  var batches = [];
+
+  // Final results
+  var bulkResult = {
+  	  ok: 1
+    , writeErrors: []
+    , writeConcernErrors: []
+    , insertedIds: []
+    , nInserted: 0
+    , nUpserted: 0
+    , nMatched: 0
+    , nModified: 0
+    , nRemoved: 0
+    , upserted: []
+  };
+
+  // Internal state
+  this.s = {
+    // Final result
+      bulkResult: bulkResult
+    // Current batch state
+    , currentBatch: null
+    , currentIndex: 0
+    , currentBatchSize: 0
+    , currentBatchSizeBytes: 0
+    , batches: []
+    // Write concern
+    , writeConcern: writeConcern
+    // Max batch size options
+    , maxBatchSizeBytes: maxBatchSizeBytes
+    , maxWriteBatchSize: maxWriteBatchSize
+    // Namespace
+    , namespace: namespace
+    // BSON
+    , bson: bson
+    // Topology
+    , topology: topology
+    // Options
+    , options: options
+    // Current operation
+    , currentOp: currentOp
+    // Executed
+    , executed: executed
+    // Collection
+    , collection: collection
+    // Promise Library
+    , promiseLibrary: promiseLibrary
+		// Fundamental error
+		, err: null
+    // Bypass validation
+    , bypassDocumentValidation: typeof options.bypassDocumentValidation == 'boolean' ? options.bypassDocumentValidation : false
+  }
+}
+
+var define = OrderedBulkOperation.define = new Define('OrderedBulkOperation', OrderedBulkOperation, false);
+
+OrderedBulkOperation.prototype.raw = function(op) {
+  var key = Object.keys(op)[0];
+
+  // Set up the force server object id
+  var forceServerObjectId = typeof this.s.options.forceServerObjectId == 'boolean'
+    ? this.s.options.forceServerObjectId : this.s.collection.s.db.options.forceServerObjectId;
+
+  // Update operations
+  if((op.updateOne && op.updateOne.q)
+    || (op.updateMany && op.updateMany.q)
+    || (op.replaceOne && op.replaceOne.q)) {
+    op[key].multi = op.updateOne || op.replaceOne ? false : true;
+    return addToOperationsList(this, common.UPDATE, op[key]);
+  }
+
+  // Crud spec update format
+  if(op.updateOne || op.updateMany || op.replaceOne) {
+    var multi = op.updateOne || op.replaceOne ? false : true;
+    var operation = {q: op[key].filter, u: op[key].update || op[key].replacement, multi: multi}
+    operation.upsert = op[key].upsert ? true: false;
+    return addToOperationsList(this, common.UPDATE, operation);
+  }
+
+  // Remove operations
+  if(op.removeOne || op.removeMany || (op.deleteOne && op.deleteOne.q) || op.deleteMany && op.deleteMany.q) {
+    op[key].limit = op.removeOne ? 1 : 0;
+    return addToOperationsList(this, common.REMOVE, op[key]);
+  }
+
+  // Crud spec delete operations, less efficient
+  if(op.deleteOne || op.deleteMany) {
+    var limit = op.deleteOne ? 1 : 0;
+    var operation = {q: op[key].filter, limit: limit}
+    return addToOperationsList(this, common.REMOVE, operation);
+  }
+
+  // Insert operations
+  if(op.insertOne && op.insertOne.document == null) {
+    if(forceServerObjectId !== true && op.insertOne._id == null) op.insertOne._id = new ObjectID();
+    return addToOperationsList(this, common.INSERT, op.insertOne);
+  } else if(op.insertOne && op.insertOne.document) {
+    if(forceServerObjectId !== true && op.insertOne.document._id == null) op.insertOne.document._id = new ObjectID();
+    return addToOperationsList(this, common.INSERT, op.insertOne.document);
+  }
+
+  if(op.insertMany) {
+    for(var i = 0; i < op.insertMany.length; i++) {
+      if(forceServerObjectId !== true && op.insertMany[i]._id == null) op.insertMany[i]._id = new ObjectID();
+      addToOperationsList(this, common.INSERT, op.insertMany[i]);
+    }
+
+    return;
+  }
+
+  // No valid type of operation
+  throw toError("bulkWrite only supports insertOne, insertMany, updateOne, updateMany, removeOne, removeMany, deleteOne, deleteMany");
+}
+
+/**
+ * Add a single insert document to the bulk operation
+ *
+ * @param {object} doc the document to insert
+ * @throws {MongoError}
+ * @return {OrderedBulkOperation}
+ */
+OrderedBulkOperation.prototype.insert = function(document) {
+  if(this.s.collection.s.db.options.forceServerObjectId !== true && document._id == null) document._id = new ObjectID();
+  return addToOperationsList(this, common.INSERT, document);
+}
+
+/**
+ * Initiate a find operation for an update/updateOne/remove/removeOne/replaceOne
+ *
+ * @method
+ * @param {object} selector The selector for the bulk operation.
+ * @throws {MongoError}
+ * @return {FindOperatorsOrdered}
+ */
+OrderedBulkOperation.prototype.find = function(selector) {
+  if (!selector) {
+    throw toError("Bulk find operation must specify a selector");
+  }
+
+  // Save a current selector
+  this.s.currentOp = {
+    selector: selector
+  }
+
+  return new FindOperatorsOrdered(this);
+}
+
+Object.defineProperty(OrderedBulkOperation.prototype, 'length', {
+  enumerable: true,
+  get: function() {
+    return this.s.currentIndex;
+  }
+});
+
+//
+// Execute next write command in a chain
+var executeCommands = function(self, callback) {
+  if(self.s.batches.length == 0) {
+    return handleCallback(callback, null, new BulkWriteResult(self.s.bulkResult));
+  }
+
+  // Ordered execution of the command
+  var batch = self.s.batches.shift();
+
+  var resultHandler = function(err, result) {
+		// Error is a driver related error not a bulk op error, terminate
+		if(err && err.driver || err && err.message) {
+			return handleCallback(callback, err);
+		}
+
+    // If we have and error
+    if(err) err.ok = 0;
+    // Merge the results together
+    var mergeResult = mergeBatchResults(true, batch, self.s.bulkResult, err, result);
+    if(mergeResult != null) {
+      return handleCallback(callback, null, new BulkWriteResult(self.s.bulkResult));
+    }
+
+    // If we are ordered and have errors and they are
+    // not all replication errors terminate the operation
+    if(self.s.bulkResult.writeErrors.length > 0) {
+      return handleCallback(callback, toError(self.s.bulkResult.writeErrors[0]), new BulkWriteResult(self.s.bulkResult));
+    }
+
+    // Execute the next command in line
+    executeCommands(self, callback);
+  }
+
+  var finalOptions = {ordered: true}
+  if(self.s.writeConcern != null) {
+    finalOptions.writeConcern = self.s.writeConcern;
+  }
+
+	// Set an operationIf if provided
+	if(self.operationId) {
+		resultHandler.operationId = self.operationId;
+	}
+
+	// Serialize functions
+	if(self.s.options.serializeFunctions) {
+		finalOptions.serializeFunctions = true
+	}
+
+  // Serialize functions
+  if(self.s.options.ignoreUndefined) {
+    finalOptions.ignoreUndefined = true
+  }
+
+  // Is the bypassDocumentValidation options specific
+  if(self.s.bypassDocumentValidation == true) {
+    finalOptions.bypassDocumentValidation = true;
+  }
+
+  try {
+    if(batch.batchType == common.INSERT) {
+      self.s.topology.insert(self.s.collection.namespace, batch.operations, finalOptions, resultHandler);
+    } else if(batch.batchType == common.UPDATE) {
+      self.s.topology.update(self.s.collection.namespace, batch.operations, finalOptions, resultHandler);
+    } else if(batch.batchType == common.REMOVE) {
+      self.s.topology.remove(self.s.collection.namespace, batch.operations, finalOptions, resultHandler);
+    }
+  } catch(err) {
+    // Force top level error
+    err.ok = 0;
+    // Merge top level error and return
+    handleCallback(callback, null, mergeBatchResults(false, batch, self.s.bulkResult, err, null));
+  }
+}
+
+/**
+ * The callback format for results
+ * @callback OrderedBulkOperation~resultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {BulkWriteResult} result The bulk write result.
+ */
+
+/**
+ * Execute the ordered bulk operation
+ *
+ * @method
+ * @param {object} [options=null] Optional settings.
+ * @param {(number|string)} [options.w=null] The write concern.
+ * @param {number} [options.wtimeout=null] The write concern timeout.
+ * @param {boolean} [options.j=false] Specify a journal write concern.
+ * @param {boolean} [options.fsync=false] Specify a file sync write concern.
+ * @param {OrderedBulkOperation~resultCallback} [callback] The result callback
+ * @throws {MongoError}
+ * @return {Promise} returns Promise if no callback passed
+ */
+OrderedBulkOperation.prototype.execute = function(_writeConcern, callback) {
+  var self = this;
+  if(this.s.executed) throw new toError("batch cannot be re-executed");
+  if(typeof _writeConcern == 'function') {
+    callback = _writeConcern;
+  } else {
+    this.s.writeConcern = _writeConcern;
+  }
+
+  // If we have current batch
+  if(this.s.currentBatch) this.s.batches.push(this.s.currentBatch);
+
+  // If we have no operations in the bulk raise an error
+  if(this.s.batches.length == 0) {
+    throw toError("Invalid Operation, No operations in bulk");
+  }
+
+  // Execute using callback
+  if(typeof callback == 'function') {
+		return executeCommands(this, callback);
+	}
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    executeCommands(self, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('execute', {callback: true, promise:false});
+
+/**
+ * Returns an unordered batch object
+ * @ignore
+ */
+var initializeOrderedBulkOp = function(topology, collection, options) {
+	return new OrderedBulkOperation(topology, collection, options);
+}
+
+initializeOrderedBulkOp.OrderedBulkOperation = OrderedBulkOperation;
+module.exports = initializeOrderedBulkOp;
+module.exports.Bulk = OrderedBulkOperation;

node_modules/mongodb/lib/bulk/unordered.js

@@ -0,0 +1,539 @@
+"use strict";
+
+var common = require('./common')
+	, utils = require('../utils')
+  , toError = require('../utils').toError
+  , f = require('util').format
+	, handleCallback = require('../utils').handleCallback
+  , shallowClone = utils.shallowClone
+  , WriteError = common.WriteError
+  , BulkWriteResult = common.BulkWriteResult
+  , LegacyOp = common.LegacyOp
+  , ObjectID = require('mongodb-core').BSON.ObjectID
+  , Define = require('../metadata')
+  , Batch = common.Batch
+  , mergeBatchResults = common.mergeBatchResults;
+
+/**
+ * Create a FindOperatorsUnordered instance (INTERNAL TYPE, do not instantiate directly)
+ * @class
+ * @property {number} length Get the number of operations in the bulk.
+ * @return {FindOperatorsUnordered} a FindOperatorsUnordered instance.
+ */
+var FindOperatorsUnordered = function(self) {
+  this.s = self.s;
+}
+
+/**
+ * Add a single update document to the bulk operation
+ *
+ * @method
+ * @param {object} doc update operations
+ * @throws {MongoError}
+ * @return {UnorderedBulkOperation}
+ */
+FindOperatorsUnordered.prototype.update = function(updateDocument) {
+  // Perform upsert
+  var upsert = typeof this.s.currentOp.upsert == 'boolean' ? this.s.currentOp.upsert : false;
+
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , u: updateDocument
+    , multi: true
+    , upsert: upsert
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the update document to the list
+  return addToOperationsList(this, common.UPDATE, document);
+}
+
+/**
+ * Add a single update one document to the bulk operation
+ *
+ * @method
+ * @param {object} doc update operations
+ * @throws {MongoError}
+ * @return {UnorderedBulkOperation}
+ */
+FindOperatorsUnordered.prototype.updateOne = function(updateDocument) {
+  // Perform upsert
+  var upsert = typeof this.s.currentOp.upsert == 'boolean' ? this.s.currentOp.upsert : false;
+
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , u: updateDocument
+    , multi: false
+    , upsert: upsert
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the update document to the list
+  return addToOperationsList(this, common.UPDATE, document);
+}
+
+/**
+ * Add a replace one operation to the bulk operation
+ *
+ * @method
+ * @param {object} doc the new document to replace the existing one with
+ * @throws {MongoError}
+ * @return {UnorderedBulkOperation}
+ */
+FindOperatorsUnordered.prototype.replaceOne = function(updateDocument) {
+  this.updateOne(updateDocument);
+}
+
+/**
+ * Upsert modifier for update bulk operation
+ *
+ * @method
+ * @throws {MongoError}
+ * @return {UnorderedBulkOperation}
+ */
+FindOperatorsUnordered.prototype.upsert = function() {
+  this.s.currentOp.upsert = true;
+  return this;
+}
+
+/**
+ * Add a remove one operation to the bulk operation
+ *
+ * @method
+ * @throws {MongoError}
+ * @return {UnorderedBulkOperation}
+ */
+FindOperatorsUnordered.prototype.removeOne = function() {
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , limit: 1
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the remove document to the list
+  return addToOperationsList(this, common.REMOVE, document);
+}
+
+/**
+ * Add a remove operation to the bulk operation
+ *
+ * @method
+ * @throws {MongoError}
+ * @return {UnorderedBulkOperation}
+ */
+FindOperatorsUnordered.prototype.remove = function() {
+  // Establish the update command
+  var document = {
+      q: this.s.currentOp.selector
+    , limit: 0
+  }
+
+  // Clear out current Op
+  this.s.currentOp = null;
+  // Add the remove document to the list
+  return addToOperationsList(this, common.REMOVE, document);
+}
+
+//
+// Add to the operations list
+//
+var addToOperationsList = function(_self, docType, document) {
+  // Get the bsonSize
+  var bsonSize = _self.s.bson.calculateObjectSize(document, false);
+  // Throw error if the doc is bigger than the max BSON size
+  if(bsonSize >= _self.s.maxBatchSizeBytes) throw toError("document is larger than the maximum size " + _self.s.maxBatchSizeBytes);
+  // Holds the current batch
+  _self.s.currentBatch = null;
+  // Get the right type of batch
+  if(docType == common.INSERT) {
+    _self.s.currentBatch = _self.s.currentInsertBatch;
+  } else if(docType == common.UPDATE) {
+    _self.s.currentBatch = _self.s.currentUpdateBatch;
+  } else if(docType == common.REMOVE) {
+    _self.s.currentBatch = _self.s.currentRemoveBatch;
+  }
+
+  // Create a new batch object if we don't have a current one
+  if(_self.s.currentBatch == null) _self.s.currentBatch = new Batch(docType, _self.s.currentIndex);
+
+  // Check if we need to create a new batch
+  if(((_self.s.currentBatch.size + 1) >= _self.s.maxWriteBatchSize)
+    || ((_self.s.currentBatch.sizeBytes + bsonSize) >= _self.s.maxBatchSizeBytes)
+    || (_self.s.currentBatch.batchType != docType)) {
+    // Save the batch to the execution stack
+    _self.s.batches.push(_self.s.currentBatch);
+
+    // Create a new batch
+    _self.s.currentBatch = new Batch(docType, _self.s.currentIndex);
+  }
+
+  // We have an array of documents
+  if(Array.isArray(document)) {
+    throw toError("operation passed in cannot be an Array");
+  } else {
+    _self.s.currentBatch.operations.push(document);
+    _self.s.currentBatch.originalIndexes.push(_self.s.currentIndex);
+    _self.s.currentIndex = _self.s.currentIndex + 1;
+  }
+
+  // Save back the current Batch to the right type
+  if(docType == common.INSERT) {
+    _self.s.currentInsertBatch = _self.s.currentBatch;
+    _self.s.bulkResult.insertedIds.push({index: _self.s.currentIndex, _id: document._id});
+  } else if(docType == common.UPDATE) {
+    _self.s.currentUpdateBatch = _self.s.currentBatch;
+  } else if(docType == common.REMOVE) {
+    _self.s.currentRemoveBatch = _self.s.currentBatch;
+  }
+
+  // Update current batch size
+  _self.s.currentBatch.size = _self.s.currentBatch.size + 1;
+  _self.s.currentBatch.sizeBytes = _self.s.currentBatch.sizeBytes + bsonSize;
+
+  // Return self
+  return _self;
+}
+
+/**
+ * Create a new UnorderedBulkOperation instance (INTERNAL TYPE, do not instantiate directly)
+ * @class
+ * @return {UnorderedBulkOperation} a UnorderedBulkOperation instance.
+ */
+var UnorderedBulkOperation = function(topology, collection, options) {
+	options = options == null ? {} : options;
+
+	// Contains reference to self
+	var self = this;
+	// Get the namesspace for the write operations
+  var namespace = collection.collectionName;
+  // Used to mark operation as executed
+  var executed = false;
+
+	// Current item
+  // var currentBatch = null;
+	var currentOp = null;
+	var currentIndex = 0;
+  var batches = [];
+
+  // The current Batches for the different operations
+  var currentInsertBatch = null;
+  var currentUpdateBatch = null;
+  var currentRemoveBatch = null;
+
+	// Handle to the bson serializer, used to calculate running sizes
+	var bson = topology.bson;
+
+  // Set max byte size
+  var maxBatchSizeBytes = topology.isMasterDoc && topology.isMasterDoc.maxBsonObjectSize
+    ? topology.isMasterDoc.maxBsonObjectSize : (1024*1025*16);
+  var maxWriteBatchSize = topology.isMasterDoc && topology.isMasterDoc.maxWriteBatchSize
+    ? topology.isMasterDoc.maxWriteBatchSize : 1000;
+
+  // Get the write concern
+  var writeConcern = common.writeConcern(shallowClone(options), collection, options);
+
+  // Get the promiseLibrary
+  var promiseLibrary = options.promiseLibrary;
+
+  // No promise library selected fall back
+  if(!promiseLibrary) {
+    promiseLibrary = typeof global.Promise == 'function' ?
+      global.Promise : require('es6-promise').Promise;
+  }
+
+  // Final results
+  var bulkResult = {
+  	  ok: 1
+    , writeErrors: []
+    , writeConcernErrors: []
+    , insertedIds: []
+    , nInserted: 0
+    , nUpserted: 0
+    , nMatched: 0
+    , nModified: 0
+    , nRemoved: 0
+    , upserted: []
+  };
+
+  // Internal state
+  this.s = {
+    // Final result
+      bulkResult: bulkResult
+    // Current batch state
+    , currentInsertBatch: null
+    , currentUpdateBatch: null
+    , currentRemoveBatch: null
+    , currentBatch: null
+    , currentIndex: 0
+    , batches: []
+    // Write concern
+    , writeConcern: writeConcern
+    // Max batch size options
+    , maxBatchSizeBytes: maxBatchSizeBytes
+    , maxWriteBatchSize: maxWriteBatchSize
+    // Namespace
+    , namespace: namespace
+    // BSON
+    , bson: bson
+    // Topology
+    , topology: topology
+    // Options
+    , options: options
+    // Current operation
+    , currentOp: currentOp
+    // Executed
+    , executed: executed
+    // Collection
+    , collection: collection
+    // Promise Library
+    , promiseLibrary: promiseLibrary
+    // Bypass validation
+    , bypassDocumentValidation: typeof options.bypassDocumentValidation == 'boolean' ? options.bypassDocumentValidation : false
+  }
+}
+
+var define = UnorderedBulkOperation.define = new Define('UnorderedBulkOperation', UnorderedBulkOperation, false);
+
+/**
+ * Add a single insert document to the bulk operation
+ *
+ * @param {object} doc the document to insert
+ * @throws {MongoError}
+ * @return {UnorderedBulkOperation}
+ */
+UnorderedBulkOperation.prototype.insert = function(document) {
+  if(this.s.collection.s.db.options.forceServerObjectId !== true && document._id == null) document._id = new ObjectID();
+  return addToOperationsList(this, common.INSERT, document);
+}
+
+/**
+ * Initiate a find operation for an update/updateOne/remove/removeOne/replaceOne
+ *
+ * @method
+ * @param {object} selector The selector for the bulk operation.
+ * @throws {MongoError}
+ * @return {FindOperatorsUnordered}
+ */
+UnorderedBulkOperation.prototype.find = function(selector) {
+  if (!selector) {
+    throw toError("Bulk find operation must specify a selector");
+  }
+
+  // Save a current selector
+  this.s.currentOp = {
+    selector: selector
+  }
+
+  return new FindOperatorsUnordered(this);
+}
+
+Object.defineProperty(UnorderedBulkOperation.prototype, 'length', {
+  enumerable: true,
+  get: function() {
+    return this.s.currentIndex;
+  }
+});
+
+UnorderedBulkOperation.prototype.raw = function(op) {
+  var key = Object.keys(op)[0];
+
+  // Set up the force server object id
+  var forceServerObjectId = typeof this.s.options.forceServerObjectId == 'boolean'
+    ? this.s.options.forceServerObjectId : this.s.collection.s.db.options.forceServerObjectId;
+
+  // Update operations
+  if((op.updateOne && op.updateOne.q)
+    || (op.updateMany && op.updateMany.q)
+    || (op.replaceOne && op.replaceOne.q)) {
+    op[key].multi = op.updateOne || op.replaceOne ? false : true;
+    return addToOperationsList(this, common.UPDATE, op[key]);
+  }
+
+  // Crud spec update format
+  if(op.updateOne || op.updateMany || op.replaceOne) {
+    var multi = op.updateOne || op.replaceOne ? false : true;
+    var operation = {q: op[key].filter, u: op[key].update || op[key].replacement, multi: multi}
+    if(op[key].upsert) operation.upsert = true;
+    return addToOperationsList(this, common.UPDATE, operation);
+  }
+
+  // Remove operations
+  if(op.removeOne || op.removeMany || (op.deleteOne && op.deleteOne.q) || op.deleteMany && op.deleteMany.q) {
+    op[key].limit = op.removeOne ? 1 : 0;
+    return addToOperationsList(this, common.REMOVE, op[key]);
+  }
+
+  // Crud spec delete operations, less efficient
+  if(op.deleteOne || op.deleteMany) {
+    var limit = op.deleteOne ? 1 : 0;
+    var operation = {q: op[key].filter, limit: limit}
+    return addToOperationsList(this, common.REMOVE, operation);
+  }
+
+  // Insert operations
+  if(op.insertOne && op.insertOne.document == null) {
+    if(forceServerObjectId !== true && op.insertOne._id == null) op.insertOne._id = new ObjectID();
+    return addToOperationsList(this, common.INSERT, op.insertOne);
+  } else if(op.insertOne && op.insertOne.document) {
+    if(forceServerObjectId !== true && op.insertOne.document._id == null) op.insertOne.document._id = new ObjectID();
+    return addToOperationsList(this, common.INSERT, op.insertOne.document);
+  }
+
+  if(op.insertMany) {
+    for(var i = 0; i < op.insertMany.length; i++) {
+      if(forceServerObjectId !== true && op.insertMany[i]._id == null) op.insertMany[i]._id = new ObjectID();
+      addToOperationsList(this, common.INSERT, op.insertMany[i]);
+    }
+
+    return;
+  }
+
+  // No valid type of operation
+  throw toError("bulkWrite only supports insertOne, insertMany, updateOne, updateMany, removeOne, removeMany, deleteOne, deleteMany");
+}
+
+//
+// Execute the command
+var executeBatch = function(self, batch, callback) {
+  var finalOptions = {ordered: false}
+  if(self.s.writeConcern != null) {
+    finalOptions.writeConcern = self.s.writeConcern;
+  }
+
+  var resultHandler = function(err, result) {
+		// Error is a driver related error not a bulk op error, terminate
+		if(err && err.driver || err && err.message) {
+			return handleCallback(callback, err);
+		}
+
+    // If we have and error
+    if(err) err.ok = 0;
+    handleCallback(callback, null, mergeBatchResults(false, batch, self.s.bulkResult, err, result));
+  }
+
+	// Set an operationIf if provided
+	if(self.operationId) {
+		resultHandler.operationId = self.operationId;
+	}
+
+	// Serialize functions
+	if(self.s.options.serializeFunctions) {
+		finalOptions.serializeFunctions = true
+	}
+
+  // Is the bypassDocumentValidation options specific
+  if(self.s.bypassDocumentValidation == true) {
+    finalOptions.bypassDocumentValidation = true;
+  }
+
+  try {
+    if(batch.batchType == common.INSERT) {
+      self.s.topology.insert(self.s.collection.namespace, batch.operations, finalOptions, resultHandler);
+    } else if(batch.batchType == common.UPDATE) {
+      self.s.topology.update(self.s.collection.namespace, batch.operations, finalOptions, resultHandler);
+    } else if(batch.batchType == common.REMOVE) {
+      self.s.topology.remove(self.s.collection.namespace, batch.operations, finalOptions, resultHandler);
+    }
+  } catch(err) {
+    // Force top level error
+    err.ok = 0;
+    // Merge top level error and return
+    handleCallback(callback, null, mergeBatchResults(false, batch, self.s.bulkResult, err, null));
+  }
+}
+
+//
+// Execute all the commands
+var executeBatches = function(self, callback) {
+  var numberOfCommandsToExecute = self.s.batches.length;
+	var error = null;
+  // Execute over all the batches
+  for(var i = 0; i < self.s.batches.length; i++) {
+    executeBatch(self, self.s.batches[i], function(err, result) {
+			// Driver layer error capture it
+			if(err) error = err;
+			// Count down the number of commands left to execute
+      numberOfCommandsToExecute = numberOfCommandsToExecute - 1;
+
+      // Execute
+      if(numberOfCommandsToExecute == 0) {
+				// Driver level error
+				if(error) return handleCallback(callback, error);
+				// Treat write errors
+        var error = self.s.bulkResult.writeErrors.length > 0 ? toError(self.s.bulkResult.writeErrors[0]) : null;
+        handleCallback(callback, error, new BulkWriteResult(self.s.bulkResult));
+      }
+    });
+  }
+}
+
+/**
+ * The callback format for results
+ * @callback UnorderedBulkOperation~resultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {BulkWriteResult} result The bulk write result.
+ */
+
+/**
+ * Execute the ordered bulk operation
+ *
+ * @method
+ * @param {object} [options=null] Optional settings.
+ * @param {(number|string)} [options.w=null] The write concern.
+ * @param {number} [options.wtimeout=null] The write concern timeout.
+ * @param {boolean} [options.j=false] Specify a journal write concern.
+ * @param {boolean} [options.fsync=false] Specify a file sync write concern.
+ * @param {UnorderedBulkOperation~resultCallback} [callback] The result callback
+ * @throws {MongoError}
+ * @return {Promise} returns Promise if no callback passed
+ */
+UnorderedBulkOperation.prototype.execute = function(_writeConcern, callback) {
+  var self = this;
+  if(this.s.executed) throw toError("batch cannot be re-executed");
+  if(typeof _writeConcern == 'function') {
+    callback = _writeConcern;
+  } else {
+    this.s.writeConcern = _writeConcern;
+  }
+
+  // If we have current batch
+  if(this.s.currentInsertBatch) this.s.batches.push(this.s.currentInsertBatch);
+  if(this.s.currentUpdateBatch) this.s.batches.push(this.s.currentUpdateBatch);
+  if(this.s.currentRemoveBatch) this.s.batches.push(this.s.currentRemoveBatch);
+
+  // If we have no operations in the bulk raise an error
+  if(this.s.batches.length == 0) {
+    throw toError("Invalid Operation, No operations in bulk");
+  }
+
+  // Execute using callback
+  if(typeof callback == 'function') return executeBatches(this, callback);
+
+  // Return a Promise
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    executeBatches(self, function(err, r) {
+      if(err) return reject(err);
+      resolve(r);
+    });
+  });
+}
+
+define.classMethod('execute', {callback: true, promise:false});
+
+/**
+ * Returns an unordered batch object
+ * @ignore
+ */
+var initializeUnorderedBulkOp = function(topology, collection, options) {
+	return new UnorderedBulkOperation(topology, collection, options);
+}
+
+initializeUnorderedBulkOp.UnorderedBulkOperation = UnorderedBulkOperation;
+module.exports = initializeUnorderedBulkOp;
+module.exports.Bulk = UnorderedBulkOperation;

node_modules/mongodb/lib/command_cursor.js

@@ -0,0 +1,318 @@
+"use strict";
+
+var inherits = require('util').inherits
+  , f = require('util').format
+  , toError = require('./utils').toError
+  , getSingleProperty = require('./utils').getSingleProperty
+  , formattedOrderClause = require('./utils').formattedOrderClause
+  , handleCallback = require('./utils').handleCallback
+  , Logger = require('mongodb-core').Logger
+  , EventEmitter = require('events').EventEmitter
+  , ReadPreference = require('./read_preference')
+  , MongoError = require('mongodb-core').MongoError
+  , Readable = require('stream').Readable || require('readable-stream').Readable
+  , Define = require('./metadata')
+  , CoreCursor = require('./cursor')
+  , Query = require('mongodb-core').Query
+  , CoreReadPreference = require('mongodb-core').ReadPreference;
+
+/**
+ * @fileOverview The **CommandCursor** class is an internal class that embodies a
+ * generalized cursor based on a MongoDB command allowing for iteration over the
+ * results returned. It supports one by one document iteration, conversion to an
+ * array or can be iterated as a Node 0.10.X or higher stream
+ *
+ * **CommandCursor Cannot directly be instantiated**
+ * @example
+ * var MongoClient = require('mongodb').MongoClient,
+ *   test = require('assert');
+ * // Connection url
+ * var url = 'mongodb://localhost:27017/test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, db) {
+ *   // Create a collection we want to drop later
+ *   var col = db.collection('listCollectionsExample1');
+ *   // Insert a bunch of documents
+ *   col.insert([{a:1, b:1}
+ *     , {a:2, b:2}, {a:3, b:3}
+ *     , {a:4, b:4}], {w:1}, function(err, result) {
+ *     test.equal(null, err);
+ *
+ *     // List the database collections available
+ *     db.listCollections().toArray(function(err, items) {
+ *       test.equal(null, err);
+ *       db.close();
+ *     });
+ *   });
+ * });
+ */
+
+/**
+ * Namespace provided by the browser.
+ * @external Readable
+ */
+
+/**
+ * Creates a new Command Cursor instance (INTERNAL TYPE, do not instantiate directly)
+ * @class CommandCursor
+ * @extends external:Readable
+ * @fires CommandCursor#data
+ * @fires CommandCursor#end
+ * @fires CommandCursor#close
+ * @fires CommandCursor#readable
+ * @return {CommandCursor} an CommandCursor instance.
+ */
+var CommandCursor = function(bson, ns, cmd, options, topology, topologyOptions) {
+  CoreCursor.apply(this, Array.prototype.slice.call(arguments, 0));
+  var self = this;
+  var state = CommandCursor.INIT;
+  var streamOptions = {};
+
+  // MaxTimeMS
+  var maxTimeMS = null;
+
+  // Get the promiseLibrary
+  var promiseLibrary = options.promiseLibrary;
+
+  // No promise library selected fall back
+  if(!promiseLibrary) {
+    promiseLibrary = typeof global.Promise == 'function' ?
+      global.Promise : require('es6-promise').Promise;
+  }
+
+  // Set up
+  Readable.call(this, {objectMode: true});
+
+  // Internal state
+  this.s = {
+    // MaxTimeMS
+      maxTimeMS: maxTimeMS
+    // State
+    , state: state
+    // Stream options
+    , streamOptions: streamOptions
+    // BSON
+    , bson: bson
+    // Namespae
+    , ns: ns
+    // Command
+    , cmd: cmd
+    // Options
+    , options: options
+    // Topology
+    , topology: topology
+    // Topology Options
+    , topologyOptions: topologyOptions
+    // Promise library
+    , promiseLibrary: promiseLibrary
+  }
+}
+
+/**
+ * CommandCursor stream data event, fired for each document in the cursor.
+ *
+ * @event CommandCursor#data
+ * @type {object}
+ */
+
+/**
+ * CommandCursor stream end event
+ *
+ * @event CommandCursor#end
+ * @type {null}
+ */
+
+/**
+ * CommandCursor stream close event
+ *
+ * @event CommandCursor#close
+ * @type {null}
+ */
+
+/**
+ * CommandCursor stream readable event
+ *
+ * @event CommandCursor#readable
+ * @type {null}
+ */
+
+// Inherit from Readable
+inherits(CommandCursor, Readable);
+
+// Set the methods to inherit from prototype
+var methodsToInherit = ['_next', 'next', 'each', 'forEach', 'toArray'
+  , 'rewind', 'bufferedCount', 'readBufferedDocuments', 'close', 'isClosed', 'kill'
+  , '_find', '_getmore', '_killcursor', 'isDead', 'explain', 'isNotified', 'isKilled'];
+
+// Only inherit the types we need
+for(var i = 0; i < methodsToInherit.length; i++) {
+  CommandCursor.prototype[methodsToInherit[i]] = CoreCursor.prototype[methodsToInherit[i]];
+}
+
+var define = CommandCursor.define = new Define('CommandCursor', CommandCursor, true);
+
+/**
+ * Set the ReadPreference for the cursor.
+ * @method
+ * @param {(string|ReadPreference)} readPreference The new read preference for the cursor.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+CommandCursor.prototype.setReadPreference = function(r) {
+  if(this.s.state == CommandCursor.CLOSED || this.isDead()) throw MongoError.create({message: "Cursor is closed", driver:true});
+  if(this.s.state != CommandCursor.INIT) throw MongoError.create({message: 'cannot change cursor readPreference after cursor has been accessed', driver:true});
+
+  if(r instanceof ReadPreference) {
+    this.s.options.readPreference = new CoreReadPreference(r.mode, r.tags);
+  } else {
+    this.s.options.readPreference = new CoreReadPreference(r);
+  }
+
+  return this;
+}
+
+define.classMethod('setReadPreference', {callback: false, promise:false, returns: [CommandCursor]});
+
+/**
+ * Set the batch size for the cursor.
+ * @method
+ * @param {number} value The batchSize for the cursor.
+ * @throws {MongoError}
+ * @return {CommandCursor}
+ */
+CommandCursor.prototype.batchSize = function(value) {
+  if(this.s.state == CommandCursor.CLOSED || this.isDead()) throw MongoError.create({message: "Cursor is closed", driver:true});
+  if(typeof value != 'number') throw MongoError.create({message: "batchSize requires an integer", driver:true});
+  if(this.s.cmd.cursor) this.s.cmd.cursor.batchSize = value;
+  this.setCursorBatchSize(value);
+  return this;
+}
+
+define.classMethod('batchSize', {callback: false, promise:false, returns: [CommandCursor]});
+
+/**
+ * Add a maxTimeMS stage to the aggregation pipeline
+ * @method
+ * @param {number} value The state maxTimeMS value.
+ * @return {CommandCursor}
+ */
+CommandCursor.prototype.maxTimeMS = function(value) {
+  if(this.s.topology.lastIsMaster().minWireVersion > 2) {
+    this.s.cmd.maxTimeMS = value;
+  }
+  return this;
+}
+
+define.classMethod('maxTimeMS', {callback: false, promise:false, returns: [CommandCursor]});
+
+CommandCursor.prototype.get = CommandCursor.prototype.toArray;
+
+define.classMethod('get', {callback: true, promise:false});
+
+// Inherited methods
+define.classMethod('toArray', {callback: true, promise:true});
+define.classMethod('each', {callback: true, promise:false});
+define.classMethod('forEach', {callback: true, promise:false});
+define.classMethod('next', {callback: true, promise:true});
+define.classMethod('close', {callback: true, promise:true});
+define.classMethod('isClosed', {callback: false, promise:false, returns: [Boolean]});
+define.classMethod('rewind', {callback: false, promise:false});
+define.classMethod('bufferedCount', {callback: false, promise:false, returns: [Number]});
+define.classMethod('readBufferedDocuments', {callback: false, promise:false, returns: [Array]});
+
+/**
+ * Get the next available document from the cursor, returns null if no more documents are available.
+ * @function CommandCursor.prototype.next
+ * @param {CommandCursor~resultCallback} [callback] The result callback.
+ * @throws {MongoError}
+ * @return {Promise} returns Promise if no callback passed
+ */
+
+/**
+ * The callback format for results
+ * @callback CommandCursor~toArrayResultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {object[]} documents All the documents the satisfy the cursor.
+ */
+
+/**
+ * Returns an array of documents. The caller is responsible for making sure that there
+ * is enough memory to store the results. Note that the array only contain partial
+ * results when this cursor had been previouly accessed.
+ * @method CommandCursor.prototype.toArray
+ * @param {CommandCursor~toArrayResultCallback} [callback] The result callback.
+ * @throws {MongoError}
+ * @return {Promise} returns Promise if no callback passed
+ */
+
+/**
+ * The callback format for results
+ * @callback CommandCursor~resultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {(object|null)} result The result object if the command was executed successfully.
+ */
+
+/**
+ * Iterates over all the documents for this cursor. As with **{cursor.toArray}**,
+ * not all of the elements will be iterated if this cursor had been previouly accessed.
+ * In that case, **{cursor.rewind}** can be used to reset the cursor. However, unlike
+ * **{cursor.toArray}**, the cursor will only hold a maximum of batch size elements
+ * at any given time if batch size is specified. Otherwise, the caller is responsible
+ * for making sure that the entire result can fit the memory.
+ * @method CommandCursor.prototype.each
+ * @param {CommandCursor~resultCallback} callback The result callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+
+/**
+ * Close the cursor, sending a KillCursor command and emitting close.
+ * @method CommandCursor.prototype.close
+ * @param {CommandCursor~resultCallback} [callback] The result callback.
+ * @return {Promise} returns Promise if no callback passed
+ */
+
+/**
+ * Is the cursor closed
+ * @method CommandCursor.prototype.isClosed
+ * @return {boolean}
+ */
+
+/**
+ * Clone the cursor
+ * @function CommandCursor.prototype.clone
+ * @return {CommandCursor}
+ */
+
+/**
+ * Resets the cursor
+ * @function CommandCursor.prototype.rewind
+ * @return {CommandCursor}
+ */
+
+/**
+ * The callback format for the forEach iterator method
+ * @callback CommandCursor~iteratorCallback
+ * @param {Object} doc An emitted document for the iterator
+ */
+
+/**
+ * The callback error format for the forEach iterator method
+ * @callback CommandCursor~endCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ */
+
+/*
+ * Iterates over all the documents for this cursor using the iterator, callback pattern.
+ * @method CommandCursor.prototype.forEach
+ * @param {CommandCursor~iteratorCallback} iterator The iteration callback.
+ * @param {CommandCursor~endCallback} callback The end callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+
+CommandCursor.INIT = 0;
+CommandCursor.OPEN = 1;
+CommandCursor.CLOSED = 2;
+
+module.exports = CommandCursor;

node_modules/mongodb/lib/gridfs-stream/download.js

@@ -0,0 +1,310 @@
+var shallowClone = require('../utils').shallowClone;
+var stream = require('stream');
+var util = require('util');
+
+module.exports = GridFSBucketReadStream;
+
+/**
+ * A readable stream that enables you to read buffers from GridFS.
+ *
+ * Do not instantiate this class directly. Use `openDownloadStream()` instead.
+ *
+ * @class
+ * @param {Collection} chunks Handle for chunks collection
+ * @param {Collection} files Handle for files collection
+ * @param {Object} readPreference The read preference to use
+ * @param {Object} filter The query to use to find the file document
+ * @param {Object} [options=null] Optional settings.
+ * @param {Number} [options.sort=null] Optional sort for the file find query
+ * @param {Number} [options.skip=null] Optional skip for the file find query
+ * @param {Number} [options.start=null] Optional 0-based offset in bytes to start streaming from
+ * @param {Number} [options.end=null] Optional 0-based offset in bytes to stop streaming before
+ * @fires GridFSBucketReadStream#error
+ * @fires GridFSBucketReadStream#file
+ * @return {GridFSBucketReadStream} a GridFSBucketReadStream instance.
+ */
+
+function GridFSBucketReadStream(chunks, files, readPreference, filter, options) {
+  var _this = this;
+  this.s = {
+    bytesRead: 0,
+    chunks: chunks,
+    cursor: null,
+    expected: 0,
+    files: files,
+    filter: filter,
+    init: false,
+    expectedEnd: 0,
+    file: null,
+    options: options,
+    readPreference: readPreference
+  };
+
+  stream.Readable.call(this);
+}
+
+util.inherits(GridFSBucketReadStream, stream.Readable);
+
+/**
+ * An error occurred
+ *
+ * @event GridFSBucketReadStream#error
+ * @type {Error}
+ */
+
+/**
+ * Fires when the stream loaded the file document corresponding to the
+ * provided id.
+ *
+ * @event GridFSBucketReadStream#file
+ * @type {object}
+ */
+
+/**
+ * Reads from the cursor and pushes to the stream.
+ * @method
+ */
+
+GridFSBucketReadStream.prototype._read = function() {
+  var _this = this;
+  waitForFile(_this, function() {
+    doRead(_this);
+  });
+};
+
+/**
+ * Sets the 0-based offset in bytes to start streaming from. Throws
+ * an error if this stream has entered flowing mode
+ * (e.g. if you've already called `on('data')`)
+ * @method
+ * @param {Number} start Offset in bytes to start reading at
+ * @return {GridFSBucketReadStream}
+ */
+
+GridFSBucketReadStream.prototype.start = function(start) {
+  throwIfInitialized(this);
+  this.s.options.start = start;
+  return this;
+};
+
+/**
+ * Sets the 0-based offset in bytes to start streaming from. Throws
+ * an error if this stream has entered flowing mode
+ * (e.g. if you've already called `on('data')`)
+ * @method
+ * @param {Number} end Offset in bytes to stop reading at
+ * @return {GridFSBucketReadStream}
+ */
+
+GridFSBucketReadStream.prototype.end = function(end) {
+  throwIfInitialized(this);
+  this.s.options.end = end;
+  return this;
+};
+
+/**
+ * @ignore
+ */
+
+function throwIfInitialized(self) {
+  if (self.s.init) {
+    throw new Error('You cannot change options after the stream has entered' +
+      'flowing mode!');
+  }
+}
+
+/**
+ * @ignore
+ */
+
+function doRead(_this) {
+  _this.s.cursor.next(function(error, doc) {
+    if (error) {
+      return __handleError(_this, error);
+    }
+    if (!doc) {
+      return _this.push(null);
+    }
+
+    var bytesRemaining = _this.s.file.length - _this.s.bytesRead;
+    var expectedN = _this.s.expected++;
+    var expectedLength = Math.min(_this.s.file.chunkSize,
+      bytesRemaining);
+    if (doc.n > expectedN) {
+      var errmsg = 'ChunkIsMissing: Got unexpected n: ' + doc.n +
+        ', expected: ' + expectedN;
+      return __handleError(_this, new Error(errmsg));
+    }
+    if (doc.n < expectedN) {
+      var errmsg = 'ExtraChunk: Got unexpected n: ' + doc.n +
+        ', expected: ' + expectedN;
+      return __handleError(_this, new Error(errmsg));
+    }
+    if (doc.data.length() !== expectedLength) {
+      if (bytesRemaining <= 0) {
+        var errmsg = 'ExtraChunk: Got unexpected n: ' + doc.n;
+        return __handleError(_this, new Error(errmsg));
+      }
+      var errmsg = 'ChunkIsWrongSize: Got unexpected length: ' +
+        doc.data.length() + ', expected: ' + expectedLength;
+      return __handleError(_this, new Error(errmsg));
+    }
+
+    _this.s.bytesRead += doc.data.length();
+
+    if (doc.data.buffer.length === 0) {
+      return _this.push(null);
+    }
+
+    var sliceStart = null;
+    var sliceEnd = null;
+    var buf = doc.data.buffer;
+    if (_this.s.bytesToSkip != null) {
+      sliceStart = _this.s.bytesToSkip;
+      _this.s.bytesToSkip = 0;
+    }
+
+    if (expectedN === _this.s.expectedEnd && _this.s.bytesToTrim != null) {
+      sliceEnd = _this.s.bytesToTrim;
+    }
+
+    if (sliceStart != null || sliceEnd != null) {
+      buf = buf.slice(sliceStart || 0, sliceEnd || buf.length);
+    }
+
+    _this.push(buf);
+  });
+};
+
+/**
+ * @ignore
+ */
+
+function init(self) {
+  var findOneOptions = {};
+  if (self.s.readPreference) {
+    findOneOptions.readPreference = self.s.readPreference;
+  }
+  if (self.s.options && self.s.options.sort) {
+    findOneOptions.sort = self.s.options.sort;
+  }
+  if (self.s.options && self.s.options.skip) {
+    findOneOptions.skip = self.s.options.skip;
+  }
+
+  self.s.files.findOne(self.s.filter, findOneOptions, function(error, doc) {
+    if (error) {
+      return __handleError(self, error);
+    }
+    if (!doc) {
+      var identifier = self.s.filter._id ?
+        self.s.filter._id.toString() : self.s.filter.filename;
+      var errmsg = 'FileNotFound: file ' + identifier + ' was not found';
+      return __handleError(self, new Error(errmsg));
+    }
+
+    // If document is empty, kill the stream immediately and don't
+    // execute any reads
+    if (doc.length <= 0) {
+      self.push(null);
+      return;
+    }
+
+    self.s.cursor = self.s.chunks.find({ files_id: doc._id }).sort({ n: 1 });
+    if (self.s.readPreference) {
+      self.s.cursor.setReadPreference(self.s.readPreference);
+    }
+
+    self.s.expectedEnd = Math.ceil(doc.length / doc.chunkSize);
+    self.s.file = doc;
+    self.s.bytesToSkip = handleStartOption(self, doc, self.s.cursor,
+      self.s.options);
+    self.s.bytesToTrim = handleEndOption(self, doc, self.s.cursor,
+      self.s.options);
+    self.emit('file', doc);
+  });
+}
+
+/**
+ * @ignore
+ */
+
+function waitForFile(_this, callback) {
+  if (_this.s.file) {
+    return callback();
+  }
+
+  if (!_this.s.init) {
+    init(_this);
+    _this.s.init = true;
+  }
+
+  _this.once('file', function() {
+    callback();
+  });
+};
+
+/**
+ * @ignore
+ */
+
+function handleStartOption(stream, doc, cursor, options) {
+  if (options && options.start != null) {
+    if (options.start > doc.length) {
+      throw new Error('Stream start (' + options.start + ') must not be ' +
+        'more than the length of the file (' + doc.length +')')
+    }
+    if (options.start < 0) {
+      throw new Error('Stream start (' + options.start + ') must not be ' +
+        'negative');
+    }
+    if (options.end != null && options.end < options.start) {
+      throw new Error('Stream start (' + options.start + ') must not be ' +
+        'greater than stream end (' + options.end + ')');
+    }
+
+    cursor.skip(Math.floor(options.start / doc.chunkSize));
+
+    stream.s.bytesRead = Math.floor(options.start / doc.chunkSize) *
+      doc.chunkSize;
+    stream.s.expected = Math.floor(options.start / doc.chunkSize);
+
+    return options.start - stream.s.bytesRead;
+  }
+}
+
+/**
+ * @ignore
+ */
+
+function handleEndOption(stream, doc, cursor, options) {
+  if (options && options.end != null) {
+    if (options.end > doc.length) {
+      throw new Error('Stream end (' + options.end + ') must not be ' +
+        'more than the length of the file (' + doc.length +')')
+    }
+    if (options.start < 0) {
+      throw new Error('Stream end (' + options.end + ') must not be ' +
+        'negative');
+    }
+
+    var start = options.start != null ?
+      Math.floor(options.start / doc.chunkSize) :
+      0;
+
+    cursor.limit(Math.ceil(options.end / doc.chunkSize) - start);
+
+    stream.s.expectedEnd = Math.ceil(options.end / doc.chunkSize);
+
+    return (Math.ceil(options.end / doc.chunkSize) * doc.chunkSize) -
+      options.end;
+  }
+}
+
+/**
+ * @ignore
+ */
+
+function __handleError(_this, error) {
+  _this.emit('error', error);
+}

node_modules/mongodb/lib/gridfs-stream/index.js

@@ -0,0 +1,335 @@
+var Emitter = require('events').EventEmitter;
+var GridFSBucketReadStream = require('./download');
+var GridFSBucketWriteStream = require('./upload');
+var shallowClone = require('../utils').shallowClone;
+var toError = require('../utils').toError;
+var util = require('util');
+
+var DEFAULT_GRIDFS_BUCKET_OPTIONS = {
+  bucketName: 'fs',
+  chunkSizeBytes: 255 * 1024
+};
+
+module.exports = GridFSBucket;
+
+/**
+ * Constructor for a streaming GridFS interface
+ * @class
+ * @param {Db} db A db handle
+ * @param {object} [options=null] Optional settings.
+ * @param {string} [options.bucketName="fs"] The 'files' and 'chunks' collections will be prefixed with the bucket name followed by a dot.
+ * @param {number} [options.chunkSizeBytes=255 * 1024] Number of bytes stored in each chunk. Defaults to 255KB
+ * @param {object} [options.writeConcern=null] Optional write concern to be passed to write operations, for instance `{ w: 1 }`
+ * @param {object} [options.readPreference=null] Optional read preference to be passed to read operations
+ * @fires GridFSBucketWriteStream#index
+ * @return {GridFSBucket}
+ */
+
+function GridFSBucket(db, options) {
+  Emitter.apply(this);
+  this.setMaxListeners(0);
+
+  if (options && typeof options === 'object') {
+    options = shallowClone(options);
+    var keys = Object.keys(DEFAULT_GRIDFS_BUCKET_OPTIONS);
+    for (var i = 0; i < keys.length; ++i) {
+      if (!options[keys[i]]) {
+        options[keys[i]] = DEFAULT_GRIDFS_BUCKET_OPTIONS[keys[i]];
+      }
+    }
+  } else {
+    options = DEFAULT_GRIDFS_BUCKET_OPTIONS;
+  }
+
+  this.s = {
+    db: db,
+    options: options,
+    _chunksCollection: db.collection(options.bucketName + '.chunks'),
+    _filesCollection: db.collection(options.bucketName + '.files'),
+    checkedIndexes: false,
+    calledOpenUploadStream: false,
+    promiseLibrary: db.s.promiseLibrary ||
+      (typeof global.Promise == 'function' ? global.Promise : require('es6-promise').Promise)
+  };
+};
+
+util.inherits(GridFSBucket, Emitter);
+
+/**
+ * When the first call to openUploadStream is made, the upload stream will
+ * check to see if it needs to create the proper indexes on the chunks and
+ * files collections. This event is fired either when 1) it determines that
+ * no index creation is necessary, 2) when it successfully creates the
+ * necessary indexes.
+ *
+ * @event GridFSBucket#index
+ * @type {Error}
+ */
+
+/**
+ * Returns a writable stream (GridFSBucketWriteStream) for writing
+ * buffers to GridFS. The stream's 'id' property contains the resulting
+ * file's id.
+ * @method
+ * @param {string} filename The value of the 'filename' key in the files doc
+ * @param {object} [options=null] Optional settings.
+ * @param {number} [options.chunkSizeBytes=null] Optional overwrite this bucket's chunkSizeBytes for this file
+ * @param {object} [options.metadata=null] Optional object to store in the file document's `metadata` field
+ * @param {string} [options.contentType=null] Optional string to store in the file document's `contentType` field
+ * @param {array} [options.aliases=null] Optional array of strings to store in the file document's `aliases` field
+ * @return {GridFSBucketWriteStream}
+ */
+
+GridFSBucket.prototype.openUploadStream = function(filename, options) {
+  if (options) {
+    options = shallowClone(options);
+  } else {
+    options = {};
+  }
+  if (!options.chunkSizeBytes) {
+    options.chunkSizeBytes = this.s.options.chunkSizeBytes;
+  }
+  return new GridFSBucketWriteStream(this, filename, options);
+};
+
+/**
+ * Returns a readable stream (GridFSBucketReadStream) for streaming file
+ * data from GridFS.
+ * @method
+ * @param {ObjectId} id The id of the file doc
+ * @param {Object} [options=null] Optional settings.
+ * @param {Number} [options.start=null] Optional 0-based offset in bytes to start streaming from
+ * @param {Number} [options.end=null] Optional 0-based offset in bytes to stop streaming before
+ * @return {GridFSBucketReadStream}
+ */
+
+GridFSBucket.prototype.openDownloadStream = function(id, options) {
+  var filter = { _id: id };
+  var options = {
+    start: options && options.start,
+    end: options && options.end
+  };
+  return new GridFSBucketReadStream(this.s._chunksCollection,
+    this.s._filesCollection, this.s.options.readPreference, filter, options);
+};
+
+/**
+ * Deletes a file with the given id
+ * @method
+ * @param {ObjectId} id The id of the file doc
+ * @param {Function} callback
+ */
+
+GridFSBucket.prototype.delete = function(id, callback) {
+  if (typeof callback === 'function') {
+    return _delete(this, id, callback);
+  }
+
+  var _this = this;
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    _delete(_this, id, function(error, res) {
+      if (error) {
+        reject(error);
+      } else {
+        resolve(res);
+      }
+    });
+  });
+};
+
+/**
+ * @ignore
+ */
+
+function _delete(_this, id, callback) {
+  _this.s._filesCollection.deleteOne({ _id: id }, function(error, res) {
+    if (error) {
+      return callback(error);
+    }
+
+    _this.s._chunksCollection.deleteMany({ files_id: id }, function(error) {
+      if (error) {
+        return callback(error);
+      }
+
+      // Delete orphaned chunks before returning FileNotFound
+      if (!res.result.n) {
+        var errmsg = 'FileNotFound: no file with id ' + id + ' found';
+        return callback(new Error(errmsg));
+      }
+
+      callback();
+    });
+  });
+}
+
+/**
+ * Convenience wrapper around find on the files collection
+ * @method
+ * @param {Object} filter
+ * @param {Object} [options=null] Optional settings for cursor
+ * @param {number} [options.batchSize=null] Optional batch size for cursor
+ * @param {number} [options.limit=null] Optional limit for cursor
+ * @param {number} [options.maxTimeMS=null] Optional maxTimeMS for cursor
+ * @param {boolean} [options.noCursorTimeout=null] Optionally set cursor's `noCursorTimeout` flag
+ * @param {number} [options.skip=null] Optional skip for cursor
+ * @param {object} [options.sort=null] Optional sort for cursor
+ * @return {Cursor}
+ */
+
+GridFSBucket.prototype.find = function(filter, options) {
+  filter = filter || {};
+  options = options || {};
+
+  var cursor = this.s._filesCollection.find(filter);
+
+  if (options.batchSize != null) {
+    cursor.batchSize(options.batchSize);
+  }
+  if (options.limit != null) {
+    cursor.limit(options.limit);
+  }
+  if (options.maxTimeMS != null) {
+    cursor.maxTimeMS(options.maxTimeMS);
+  }
+  if (options.noCursorTimeout != null) {
+    cursor.addCursorFlag('noCursorTimeout', options.noCursorTimeout);
+  }
+  if (options.skip != null) {
+    cursor.skip(options.skip);
+  }
+  if (options.sort != null) {
+    cursor.sort(options.sort);
+  }
+
+  return cursor;
+};
+
+/**
+ * Returns a readable stream (GridFSBucketReadStream) for streaming the
+ * file with the given name from GridFS. If there are multiple files with
+ * the same name, this will stream the most recent file with the given name
+ * (as determined by the `uploadedDate` field). You can set the `revision`
+ * option to change this behavior.
+ * @method
+ * @param {String} filename The name of the file to stream
+ * @param {Object} [options=null] Optional settings
+ * @param {number} [options.revision=-1] The revision number relative to the oldest file with the given filename. 0 gets you the oldest file, 1 gets you the 2nd oldest, -1 gets you the newest.
+ * @param {Number} [options.start=null] Optional 0-based offset in bytes to start streaming from
+ * @param {Number} [options.end=null] Optional 0-based offset in bytes to stop streaming before
+ * @return {GridFSBucketReadStream}
+ */
+
+GridFSBucket.prototype.openDownloadStreamByName = function(filename, options) {
+  var sort = { uploadedDate: -1 };
+  var skip = null;
+  if (options && options.revision != null) {
+    if (options.revision >= 0) {
+      sort = { uploadedDate: 1 };
+      skip = options.revision;
+    } else {
+      skip = -options.revision - 1;
+    }
+  }
+
+  var filter = { filename: filename };
+  var options = {
+    sort: sort,
+    skip: skip,
+    start: options && options.start,
+    end: options && options.end
+  };
+  return new GridFSBucketReadStream(this.s._chunksCollection,
+    this.s._filesCollection, this.s.options.readPreference, filter, options);
+};
+
+/**
+ * Renames the file with the given _id to the given string
+ * @method
+ * @param {ObjectId} id the id of the file to rename
+ * @param {String} filename new name for the file
+ * @param {GridFSBucket~errorCallback} [callback]
+ */
+
+GridFSBucket.prototype.rename = function(id, filename, callback) {
+  if (typeof callback === 'function') {
+    return _rename(this, id, filename, callback);
+  }
+
+  var _this = this;
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    _rename(_this, id, filename, function(error, res) {
+      if (error) {
+        reject(error);
+      } else {
+        resolve(res);
+      }
+    });
+  });
+};
+
+/**
+ * @ignore
+ */
+
+function _rename(_this, id, filename, callback) {
+  var filter = { _id: id };
+  var update = { $set: { filename: filename } };
+  _this.s._filesCollection.updateOne(filter, update, function(error, res) {
+    if (error) {
+      return callback(error);
+    }
+    if (!res.result.n) {
+      return callback(toError('File with id ' + id + ' not found'));
+    }
+    callback();
+  });
+}
+
+/**
+ * Removes this bucket's files collection, followed by its chunks collection.
+ * @method
+ * @param {GridFSBucket~errorCallback} [callback]
+ */
+
+GridFSBucket.prototype.drop = function(callback) {
+  if (typeof callback === 'function') {
+    return _drop(this, callback);
+  }
+
+  var _this = this;
+  return new this.s.promiseLibrary(function(resolve, reject) {
+    _drop(_this, function(error, res) {
+      if (error) {
+        reject(error);
+      } else {
+        resolve(res);
+      }
+    });
+  });
+};
+
+/**
+ * @ignore
+ */
+
+function _drop(_this, callback) {
+  _this.s._filesCollection.drop(function(error) {
+    if (error) {
+      return callback(error);
+    }
+    _this.s._chunksCollection.drop(function(error) {
+      if (error) {
+        return callback(error);
+      }
+
+      return callback();
+    });
+  });
+}
+
+/**
+ * Callback format for all GridFSBucket methods that can accept a callback.
+ * @callback GridFSBucket~errorCallback
+ * @param {MongoError} error An error instance representing any errors that occurred
+ */

node_modules/mongodb/lib/gridfs-stream/upload.js

@@ -0,0 +1,450 @@
+var core = require('mongodb-core');
+var crypto = require('crypto');
+var shallowClone = require('../utils').shallowClone;
+var stream = require('stream');
+var util = require('util');
+
+var ERROR_NAMESPACE_NOT_FOUND = 26;
+
+module.exports = GridFSBucketWriteStream;
+
+/**
+ * A writable stream that enables you to write buffers to GridFS.
+ *
+ * Do not instantiate this class directly. Use `openUploadStream()` instead.
+ *
+ * @class
+ * @param {GridFSBucket} bucket Handle for this stream's corresponding bucket
+ * @param {string} filename The value of the 'filename' key in the files doc
+ * @param {object} [options=null] Optional settings.
+ * @param {number} [options.chunkSizeBytes=null] The chunk size to use, in bytes
+ * @param {number} [options.w=null] The write concern
+ * @param {number} [options.wtimeout=null] The write concern timeout
+ * @param {number} [options.j=null] The journal write concern
+ * @fires GridFSBucketWriteStream#error
+ * @fires GridFSBucketWriteStream#finish
+ * @return {GridFSBucketWriteStream} a GridFSBucketWriteStream instance.
+ */
+
+function GridFSBucketWriteStream(bucket, filename, options) {
+  this.bucket = bucket;
+  this.chunks = bucket.s._chunksCollection;
+  this.filename = filename;
+  this.files = bucket.s._filesCollection;
+  this.options = options;
+
+  this.id = core.BSON.ObjectId();
+  this.chunkSizeBytes = this.options.chunkSizeBytes;
+  this.bufToStore = new Buffer(this.chunkSizeBytes);
+  this.length = 0;
+  this.md5 = crypto.createHash('md5');
+  this.n = 0;
+  this.pos = 0;
+  this.state = {
+    streamEnd: false,
+    outstandingRequests: 0,
+    errored: false
+  };
+
+  if (!this.bucket.s.calledOpenUploadStream) {
+    this.bucket.s.calledOpenUploadStream = true;
+
+    var _this = this;
+    checkIndexes(this, function() {
+      _this.bucket.s.checkedIndexes = true;
+      _this.bucket.emit('index');
+    });
+  }
+}
+
+util.inherits(GridFSBucketWriteStream, stream.Writable);
+
+/**
+ * An error occurred
+ *
+ * @event GridFSBucketWriteStream#error
+ * @type {Error}
+ */
+
+/**
+ * end() was called and the write stream successfully wrote all chunks to
+ * MongoDB.
+ *
+ * @event GridFSBucketWriteStream#finish
+ * @type {object}
+ */
+
+/**
+ * Write a buffer to the stream.
+ *
+ * @method
+ * @param {Buffer} chunk Buffer to write
+ * @param {String} encoding Optional encoding for the buffer
+ * @param {Function} callback Function to call when the chunk was added to the buffer, or if the entire chunk was persisted to MongoDB if this chunk caused a flush.
+ * @return {Boolean} False if this write required flushing a chunk to MongoDB. True otherwise.
+ */
+
+GridFSBucketWriteStream.prototype.write = function(chunk, encoding, callback) {
+  var _this = this;
+  return waitForIndexes(this, function() {
+    return doWrite(_this, chunk, encoding, callback);
+  });
+};
+
+/**
+ * Tells the stream that no more data will be coming in. The stream will
+ * persist the remaining data to MongoDB, write the files document, and
+ * then emit a 'finish' event.
+ *
+ * @method
+ * @param {Buffer} chunk Buffer to write
+ * @param {String} encoding Optional encoding for the buffer
+ * @param {Function} callback Function to call when all files and chunks have been persisted to MongoDB
+ */
+
+GridFSBucketWriteStream.prototype.end = function(chunk, encoding, callback) {
+  var _this = this;
+  this.state.streamEnd = true;
+
+  if (callback) {
+    this.once('finish', callback);
+  }
+
+  if (!chunk) {
+    waitForIndexes(this, function() {
+      writeRemnant(_this);
+    });
+    return;
+  }
+
+  var _this = this;
+  var inputBuf = (Buffer.isBuffer(chunk)) ?
+    chunk : new Buffer(chunk, encoding);
+
+  this.write(chunk, encoding, function() {
+    writeRemnant(_this);
+  });
+};
+
+/**
+ * @ignore
+ */
+
+function __handleError(_this, error, callback) {
+  if (_this.state.errored) {
+    return;
+  }
+  _this.state.errored = true;
+  if (callback) {
+    return callback(error);
+  }
+  _this.emit('error', error);
+}
+
+/**
+ * @ignore
+ */
+
+function createChunkDoc(filesId, n, data) {
+  return {
+    _id: core.BSON.ObjectId(),
+    files_id: filesId,
+    n: n,
+    data: data
+  };
+}
+
+/**
+ * @ignore
+ */
+
+function checkChunksIndex(_this, callback) {
+  _this.chunks.listIndexes().toArray(function(error, indexes) {
+    if (error) {
+      // Collection doesn't exist so create index
+      if (error.code === ERROR_NAMESPACE_NOT_FOUND) {
+        var index = { files_id: 1, n: 1 };
+        _this.chunks.createIndex(index, { background: false }, function(error) {
+          if (error) {
+            return callback(error);
+          }
+
+          callback();
+        });
+        return;
+      }
+      return callback(error);
+    }
+
+    var hasChunksIndex = false;
+    indexes.forEach(function(index) {
+      if (index.key) {
+        var keys = Object.keys(index.key);
+        if (keys.length === 2 && index.key.files_id === 1 &&
+            index.key.n === 1) {
+          hasChunksIndex = true;
+        }
+      }
+    });
+
+    if (hasChunksIndex) {
+      callback();
+    } else {
+      var index = { files_id: 1, n: 1 };
+      var indexOptions = getWriteOptions(_this);
+
+      indexOptions.background = false;
+      indexOptions.unique = true;
+
+      _this.chunks.createIndex(index, indexOptions, function(error) {
+        if (error) {
+          return callback(error);
+        }
+
+        callback();
+      });
+    }
+  });
+}
+
+/**
+ * @ignore
+ */
+
+function checkDone(_this, callback) {
+  if (_this.state.streamEnd &&
+      _this.state.outstandingRequests === 0 &&
+      !_this.state.errored) {
+    var filesDoc = createFilesDoc(_this.id, _this.length, _this.chunkSizeBytes,
+      _this.md5.digest('hex'), _this.filename, _this.options.contentType,
+      _this.options.aliases, _this.options.metadata);
+
+    _this.files.insert(filesDoc, getWriteOptions(_this), function(error) {
+      if (error) {
+        return __handleError(_this, error, callback);
+      }
+      _this.emit('finish', filesDoc);
+    });
+
+    return true;
+  }
+
+  return false;
+}
+
+/**
+ * @ignore
+ */
+
+function checkIndexes(_this, callback) {
+  _this.files.findOne({}, { _id: 1 }, function(error, doc) {
+    if (error) {
+      return callback(error);
+    }
+    if (doc) {
+      return callback();
+    }
+
+    _this.files.listIndexes().toArray(function(error, indexes) {
+      if (error) {
+        // Collection doesn't exist so create index
+        if (error.code === ERROR_NAMESPACE_NOT_FOUND) {
+          var index = { filename: 1, uploadDate: 1 };
+          _this.files.createIndex(index, { background: false }, function(error) {
+            if (error) {
+              return callback(error);
+            }
+
+            checkChunksIndex(_this, callback);
+          });
+          return;
+        }
+        return callback(error);
+      }
+
+      var hasFileIndex = false;
+      indexes.forEach(function(index) {
+        var keys = Object.keys(index.key);
+        if (keys.length === 2 && index.key.filename === 1 &&
+            index.key.uploadDate === 1) {
+          hasFileIndex = true;
+        }
+      });
+
+      if (hasFileIndex) {
+        checkChunksIndex(_this, callback);
+      } else {
+        var index = { filename: 1, uploadDate: 1 };
+
+        var indexOptions = getWriteOptions(_this);
+
+        indexOptions.background = false;
+
+        _this.files.createIndex(index, indexOptions, function(error) {
+          if (error) {
+            return callback(error);
+          }
+
+          checkChunksIndex(_this, callback);
+        });
+      }
+    });
+  });
+}
+
+/**
+ * @ignore
+ */
+
+function createFilesDoc(_id, length, chunkSize, md5, filename, contentType,
+  aliases, metadata) {
+  var ret = {
+    _id: _id,
+    length: length,
+    chunkSize: chunkSize,
+    uploadDate: new Date(),
+    md5: md5,
+    filename: filename
+  };
+
+  if (contentType) {
+    ret.contentType = contentType;
+  }
+
+  if (aliases) {
+    ret.aliases = aliases;
+  }
+
+  if (metadata) {
+    ret.metadata = metadata;
+  }
+
+  return ret;
+}
+
+/**
+ * @ignore
+ */
+
+function doWrite(_this, chunk, encoding, callback) {
+
+  var inputBuf = (Buffer.isBuffer(chunk)) ?
+    chunk : new Buffer(chunk, encoding);
+
+  _this.length += inputBuf.length;
+
+  // Input is small enough to fit in our buffer
+  if (_this.pos + inputBuf.length < _this.chunkSizeBytes) {
+    inputBuf.copy(_this.bufToStore, _this.pos);
+    _this.pos += inputBuf.length;
+
+    callback && callback();
+
+    // Note that we reverse the typical semantics of write's return value
+    // to be compatible with node's `.pipe()` function.
+    // True means client can keep writing.
+    return true;
+  }
+
+  // Otherwise, buffer is too big for current chunk, so we need to flush
+  // to MongoDB.
+  var inputBufRemaining = inputBuf.length;
+  var spaceRemaining = _this.chunkSizeBytes - _this.pos;
+  var numToCopy = Math.min(spaceRemaining, inputBuf.length);
+  var outstandingRequests = 0;
+  while (inputBufRemaining > 0) {
+    var inputBufPos = inputBuf.length - inputBufRemaining;
+    inputBuf.copy(_this.bufToStore, _this.pos,
+      inputBufPos, inputBufPos + numToCopy);
+    _this.pos += numToCopy;
+    spaceRemaining -= numToCopy;
+    if (spaceRemaining === 0) {
+      _this.md5.update(_this.bufToStore);
+      var doc = createChunkDoc(_this.id, _this.n, _this.bufToStore);
+      ++_this.state.outstandingRequests;
+      ++outstandingRequests;
+
+      _this.chunks.insert(doc, getWriteOptions(_this), function(error) {
+        if (error) {
+          return __handleError(_this, error);
+        }
+        --_this.state.outstandingRequests;
+        --outstandingRequests;
+        if (!outstandingRequests) {
+          _this.emit('drain', doc);
+          callback && callback();
+          checkDone(_this);
+        }
+      });
+
+      spaceRemaining = _this.chunkSizeBytes;
+      _this.pos = 0;
+      ++_this.n;
+    }
+    inputBufRemaining -= numToCopy;
+    numToCopy = Math.min(spaceRemaining, inputBufRemaining);
+  }
+
+  // Note that we reverse the typical semantics of write's return value
+  // to be compatible with node's `.pipe()` function.
+  // False means the client should wait for the 'drain' event.
+  return false;
+}
+
+/**
+ * @ignore
+ */
+
+function getWriteOptions(_this) {
+  var obj = {};
+  if (_this.options.writeConcern) {
+    obj.w = concern.w;
+    obj.wtimeout = concern.wtimeout;
+    obj.j = concern.j;
+  }
+  return obj;
+}
+
+/**
+ * @ignore
+ */
+
+function waitForIndexes(_this, callback) {
+  if (_this.bucket.s.checkedIndexes) {
+    callback(false);
+  }
+
+  _this.bucket.once('index', function() {
+    callback(true);
+  });
+
+  return true;
+}
+
+/**
+ * @ignore
+ */
+
+function writeRemnant(_this, callback) {
+  // Buffer is empty, so don't bother to insert
+  if (_this.pos === 0) {
+    return checkDone(_this, callback);
+  }
+
+  ++_this.state.outstandingRequests;
+
+  // Create a new buffer to make sure the buffer isn't bigger than it needs
+  // to be.
+  var remnant = new Buffer(_this.pos);
+  _this.bufToStore.copy(remnant, 0, 0, _this.pos);
+  _this.md5.update(remnant);
+  var doc = createChunkDoc(_this.id, _this.n, remnant);
+
+  _this.chunks.insert(doc, getWriteOptions(_this), function(error) {
+    if (error) {
+      return __handleError(_this, error);
+    }
+    --_this.state.outstandingRequests;
+    checkDone(_this);
+  });
+}

node_modules/mongodb/lib/gridfs/chunk.js

@@ -0,0 +1,233 @@
+"use strict";
+
+var Binary = require('mongodb-core').BSON.Binary,
+  ObjectID = require('mongodb-core').BSON.ObjectID;
+
+/**
+ * Class for representing a single chunk in GridFS.
+ *
+ * @class
+ *
+ * @param file {GridStore} The {@link GridStore} object holding this chunk.
+ * @param mongoObject {object} The mongo object representation of this chunk.
+ *
+ * @throws Error when the type of data field for {@link mongoObject} is not
+ *     supported. Currently supported types for data field are instances of
+ *     {@link String}, {@link Array}, {@link Binary} and {@link Binary}
+ *     from the bson module
+ *
+ * @see Chunk#buildMongoObject
+ */
+var Chunk = function(file, mongoObject, writeConcern) {
+  if(!(this instanceof Chunk)) return new Chunk(file, mongoObject);
+
+  this.file = file;
+  var self = this;
+  var mongoObjectFinal = mongoObject == null ? {} : mongoObject;
+  this.writeConcern = writeConcern || {w:1};
+  this.objectId = mongoObjectFinal._id == null ? new ObjectID() : mongoObjectFinal._id;
+  this.chunkNumber = mongoObjectFinal.n == null ? 0 : mongoObjectFinal.n;
+  this.data = new Binary();
+
+  if(mongoObjectFinal.data == null) {
+  } else if(typeof mongoObjectFinal.data == "string") {
+    var buffer = new Buffer(mongoObjectFinal.data.length);
+    buffer.write(mongoObjectFinal.data, 0, mongoObjectFinal.data.length, 'binary');
+    this.data = new Binary(buffer);
+  } else if(Array.isArray(mongoObjectFinal.data)) {
+    var buffer = new Buffer(mongoObjectFinal.data.length);
+    var data = mongoObjectFinal.data.join('');
+    buffer.write(data, 0, data.length, 'binary');
+    this.data = new Binary(buffer);
+  } else if(mongoObjectFinal.data._bsontype === 'Binary') {
+    this.data = mongoObjectFinal.data;
+  } else if(Buffer.isBuffer(mongoObjectFinal.data)) {
+  } else {
+    throw Error("Illegal chunk format");
+  }
+
+  // Update position
+  this.internalPosition = 0;
+};
+
+/**
+ * Writes a data to this object and advance the read/write head.
+ *
+ * @param data {string} the data to write
+ * @param callback {function(*, GridStore)} This will be called after executing
+ *     this method. The first parameter will contain null and the second one
+ *     will contain a reference to this object.
+ */
+Chunk.prototype.write = function(data, callback) {
+  this.data.write(data, this.internalPosition, data.length, 'binary');
+  this.internalPosition = this.data.length();
+  if(callback != null) return callback(null, this);
+  return this;
+};
+
+/**
+ * Reads data and advances the read/write head.
+ *
+ * @param length {number} The length of data to read.
+ *
+ * @return {string} The data read if the given length will not exceed the end of
+ *     the chunk. Returns an empty String otherwise.
+ */
+Chunk.prototype.read = function(length) {
+  // Default to full read if no index defined
+  length = length == null || length == 0 ? this.length() : length;
+
+  if(this.length() - this.internalPosition + 1 >= length) {
+    var data = this.data.read(this.internalPosition, length);
+    this.internalPosition = this.internalPosition + length;
+    return data;
+  } else {
+    return '';
+  }
+};
+
+Chunk.prototype.readSlice = function(length) {
+  if ((this.length() - this.internalPosition) >= length) {
+    var data = null;
+    if (this.data.buffer != null) { //Pure BSON
+      data = this.data.buffer.slice(this.internalPosition, this.internalPosition + length);
+    } else { //Native BSON
+      data = new Buffer(length);
+      length = this.data.readInto(data, this.internalPosition);
+    }
+    this.internalPosition = this.internalPosition + length;
+    return data;
+  } else {
+    return null;
+  }
+};
+
+/**
+ * Checks if the read/write head is at the end.
+ *
+ * @return {boolean} Whether the read/write head has reached the end of this
+ *     chunk.
+ */
+Chunk.prototype.eof = function() {
+  return this.internalPosition == this.length() ? true : false;
+};
+
+/**
+ * Reads one character from the data of this chunk and advances the read/write
+ * head.
+ *
+ * @return {string} a single character data read if the the read/write head is
+ *     not at the end of the chunk. Returns an empty String otherwise.
+ */
+Chunk.prototype.getc = function() {
+  return this.read(1);
+};
+
+/**
+ * Clears the contents of the data in this chunk and resets the read/write head
+ * to the initial position.
+ */
+Chunk.prototype.rewind = function() {
+  this.internalPosition = 0;
+  this.data = new Binary();
+};
+
+/**
+ * Saves this chunk to the database. Also overwrites existing entries having the
+ * same id as this chunk.
+ *
+ * @param callback {function(*, GridStore)} This will be called after executing
+ *     this method. The first parameter will contain null and the second one
+ *     will contain a reference to this object.
+ */
+Chunk.prototype.save = function(options, callback) {
+  var self = this;
+  if(typeof options == 'function') {
+    callback = options;
+    options = {};
+  }
+
+  self.file.chunkCollection(function(err, collection) {
+    if(err) return callback(err);
+
+    // Merge the options
+    var writeOptions = { upsert: true };
+    for(var name in options) writeOptions[name] = options[name];
+    for(var name in self.writeConcern) writeOptions[name] = self.writeConcern[name];
+
+    if(self.data.length() > 0) {
+      self.buildMongoObject(function(mongoObject) {
+        var options = {forceServerObjectId:true};
+        for(var name in self.writeConcern) {
+          options[name] = self.writeConcern[name];
+        }
+
+        collection.replaceOne({'_id':self.objectId}, mongoObject, writeOptions, function(err, collection) {
+          callback(err, self);
+        });
+      });
+    } else {
+      callback(null, self);
+    }
+    // });
+  });
+};
+
+/**
+ * Creates a mongoDB object representation of this chunk.
+ *
+ * @param callback {function(Object)} This will be called after executing this
+ *     method. The object will be passed to the first parameter and will have
+ *     the structure:
+ *
+ *        <pre><code>
+ *        {
+ *          '_id' : , // {number} id for this chunk
+ *          'files_id' : , // {number} foreign key to the file collection
+ *          'n' : , // {number} chunk number
+ *          'data' : , // {bson#Binary} the chunk data itself
+ *        }
+ *        </code></pre>
+ *
+ * @see <a href="http://www.mongodb.org/display/DOCS/GridFS+Specification#GridFSSpecification-{{chunks}}">MongoDB GridFS Chunk Object Structure</a>
+ */
+Chunk.prototype.buildMongoObject = function(callback) {
+  var mongoObject = {
+    'files_id': this.file.fileId,
+    'n': this.chunkNumber,
+    'data': this.data};
+  // If we are saving using a specific ObjectId
+  if(this.objectId != null) mongoObject._id = this.objectId;
+
+  callback(mongoObject);
+};
+
+/**
+ * @return {number} the length of the data
+ */
+Chunk.prototype.length = function() {
+  return this.data.length();
+};
+
+/**
+ * The position of the read/write head
+ * @name position
+ * @lends Chunk#
+ * @field
+ */
+Object.defineProperty(Chunk.prototype, "position", { enumerable: true
+  , get: function () {
+      return this.internalPosition;
+    }
+  , set: function(value) {
+      this.internalPosition = value;
+    }
+});
+
+/**
+ * The default chunk size
+ * @constant
+ */
+Chunk.DEFAULT_CHUNK_SIZE = 1024 * 255;
+
+module.exports = Chunk;

node_modules/mongodb/lib/metadata.js

@@ -0,0 +1,64 @@
+var f = require('util').format;
+
+var Define = function(name, object, stream) {
+  this.name = name;
+  this.object = object;
+  this.stream = typeof stream == 'boolean' ? stream : false;
+  this.instrumentations = {};
+}
+
+Define.prototype.classMethod = function(name, options) {
+  var keys = Object.keys(options).sort();
+  var key = generateKey(keys, options);
+
+  // Add a list of instrumentations
+  if(this.instrumentations[key] == null) {
+    this.instrumentations[key] = {
+      methods: [], options: options
+    }
+  }
+
+  // Push to list of method for this instrumentation
+  this.instrumentations[key].methods.push(name);
+}
+
+var generateKey = function(keys, options) {
+  var parts = [];
+  for(var i = 0; i < keys.length; i++) {
+    parts.push(f('%s=%s', keys[i], options[keys[i]]));
+  }
+
+  return parts.join();
+}
+
+Define.prototype.staticMethod = function(name, options) {
+  options.static = true;
+  var keys = Object.keys(options).sort();
+  var key = generateKey(keys, options);
+
+  // Add a list of instrumentations
+  if(this.instrumentations[key] == null) {
+    this.instrumentations[key] = {
+      methods: [], options: options
+    }
+  }
+
+  // Push to list of method for this instrumentation
+  this.instrumentations[key].methods.push(name);
+}
+
+Define.prototype.generate = function(keys, options) {
+  // Generate the return object
+  var object = {
+    name: this.name, obj: this.object, stream: this.stream,
+    instrumentations: []
+  }
+
+  for(var name in this.instrumentations) {
+    object.instrumentations.push(this.instrumentations[name]);
+  }
+
+  return object;
+}
+
+module.exports = Define;

node_modules/mongodb/lib/mongo_client.js

@@ -0,0 +1,472 @@
+"use strict";
+
+var parse = require('./url_parser')
+  , Server = require('./server')
+  , Mongos = require('./mongos')
+  , ReplSet = require('./replset')
+  , Define = require('./metadata')
+  , ReadPreference = require('./read_preference')
+  , Db = require('./db');
+
+/**
+ * @fileOverview The **MongoClient** class is a class that allows for making Connections to MongoDB.
+ *
+ * @example
+ * var MongoClient = require('mongodb').MongoClient,
+ *   test = require('assert');
+ * // Connection url
+ * var url = 'mongodb://localhost:27017/test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, db) {
+ *   // Get an additional db
+ *   db.close();
+ * });
+ */
+
+/**
+ * Creates a new MongoClient instance
+ * @class
+ * @return {MongoClient} a MongoClient instance.
+ */
+function MongoClient() {
+  /**
+   * The callback format for results
+   * @callback MongoClient~connectCallback
+   * @param {MongoError} error An error instance representing the error during the execution.
+   * @param {Db} db The connected database.
+   */
+
+  /**
+   * Connect to MongoDB using a url as documented at
+   *
+   *  docs.mongodb.org/manual/reference/connection-string/
+   *
+   * Note that for replicasets the replicaSet query parameter is required in the 2.0 driver
+   *
+   * @method
+   * @param {string} url The connection URI string
+   * @param {object} [options=null] Optional settings.
+   * @param {boolean} [options.uri_decode_auth=false] Uri decode the user name and password for authentication
+   * @param {object} [options.db=null] A hash of options to set on the db object, see **Db constructor**
+   * @param {object} [options.server=null] A hash of options to set on the server objects, see **Server** constructor**
+   * @param {object} [options.replSet=null] A hash of options to set on the replSet object, see **ReplSet** constructor**
+   * @param {object} [options.mongos=null] A hash of options to set on the mongos object, see **Mongos** constructor**
+   * @param {object} [options.promiseLibrary=null] A Promise library class the application wishes to use such as Bluebird, must be ES6 compatible
+   * @param {MongoClient~connectCallback} [callback] The command result callback
+   * @return {Promise} returns Promise if no callback passed
+   */
+  this.connect = MongoClient.connect;
+}
+
+var define = MongoClient.define = new Define('MongoClient', MongoClient, false);
+
+/**
+ * Connect to MongoDB using a url as documented at
+ *
+ *  docs.mongodb.org/manual/reference/connection-string/
+ *
+ * Note that for replicasets the replicaSet query parameter is required in the 2.0 driver
+ *
+ * @method
+ * @static
+ * @param {string} url The connection URI string
+ * @param {object} [options=null] Optional settings.
+ * @param {boolean} [options.uri_decode_auth=false] Uri decode the user name and password for authentication
+ * @param {object} [options.db=null] A hash of options to set on the db object, see **Db constructor**
+ * @param {object} [options.server=null] A hash of options to set on the server objects, see **Server** constructor**
+ * @param {object} [options.replSet=null] A hash of options to set on the replSet object, see **ReplSet** constructor**
+ * @param {object} [options.mongos=null] A hash of options to set on the mongos object, see **Mongos** constructor**
+ * @param {object} [options.promiseLibrary=null] A Promise library class the application wishes to use such as Bluebird, must be ES6 compatible
+ * @param {MongoClient~connectCallback} [callback] The command result callback
+ * @return {Promise} returns Promise if no callback passed
+ */
+MongoClient.connect = function(url, options, callback) {
+  var args = Array.prototype.slice.call(arguments, 1);
+  callback = typeof args[args.length - 1] == 'function' ? args.pop() : null;
+  options = args.length ? args.shift() : null;
+  options = options || {};
+
+  // Get the promiseLibrary
+  var promiseLibrary = options.promiseLibrary;
+
+  // No promise library selected fall back
+  if(!promiseLibrary) {
+    promiseLibrary = typeof global.Promise == 'function' ?
+      global.Promise : require('es6-promise').Promise;
+  }
+
+  // Return a promise
+  if(typeof callback != 'function') {
+    return new promiseLibrary(function(resolve, reject) {
+      connect(url, options, function(err, db) {
+        if(err) return reject(err);
+        resolve(db);
+      });
+    });
+  }
+
+  // Fallback to callback based connect
+  connect(url, options, callback);
+}
+
+define.staticMethod('connect', {callback: true, promise:true});
+
+var connect = function(url, options, callback) {
+  var serverOptions = options.server || {};
+  var mongosOptions = options.mongos || {};
+  var replSetServersOptions = options.replSet || options.replSetServers || {};
+  var dbOptions = options.db || {};
+
+  // If callback is null throw an exception
+  if(callback == null)
+    throw new Error("no callback function provided");
+
+  // Parse the string
+  var object = parse(url, options);
+
+  // Merge in any options for db in options object
+  if(dbOptions) {
+    for(var name in dbOptions) object.db_options[name] = dbOptions[name];
+  }
+
+  // Added the url to the options
+  object.db_options.url = url;
+
+  // Merge in any options for server in options object
+  if(serverOptions) {
+    for(var name in serverOptions) object.server_options[name] = serverOptions[name];
+  }
+
+  // Merge in any replicaset server options
+  if(replSetServersOptions) {
+    for(var name in replSetServersOptions) object.rs_options[name] = replSetServersOptions[name];
+  }
+
+  if(replSetServersOptions.ssl
+    || replSetServersOptions.sslValidate
+    || replSetServersOptions.checkServerIdentity
+    || replSetServersOptions.sslCA
+    || replSetServersOptions.sslCert
+    || replSetServersOptions.sslKey
+    || replSetServersOptions.sslPass) {
+    object.server_options.ssl = replSetServersOptions.ssl;
+    object.server_options.sslValidate = replSetServersOptions.sslValidate;
+    object.server_options.checkServerIdentity = replSetServersOptions.checkServerIdentity;
+    object.server_options.sslCA = replSetServersOptions.sslCA;
+    object.server_options.sslCert = replSetServersOptions.sslCert;
+    object.server_options.sslKey = replSetServersOptions.sslKey;
+    object.server_options.sslPass = replSetServersOptions.sslPass;
+  }
+
+  // Merge in any replicaset server options
+  if(mongosOptions) {
+    for(var name in mongosOptions) object.mongos_options[name] = mongosOptions[name];
+  }
+
+  if(typeof object.server_options.poolSize == 'number') {
+    if(!object.mongos_options.poolSize) object.mongos_options.poolSize = object.server_options.poolSize;
+    if(!object.rs_options.poolSize) object.rs_options.poolSize = object.server_options.poolSize;
+  }
+
+  if(mongosOptions.ssl
+    || mongosOptions.sslValidate
+    || mongosOptions.checkServerIdentity
+    || mongosOptions.sslCA
+    || mongosOptions.sslCert
+    || mongosOptions.sslKey
+    || mongosOptions.sslPass) {
+    object.server_options.ssl = mongosOptions.ssl;
+    object.server_options.sslValidate = mongosOptions.sslValidate;
+    object.server_options.checkServerIdentity = mongosOptions.checkServerIdentity;
+    object.server_options.sslCA = mongosOptions.sslCA;
+    object.server_options.sslCert = mongosOptions.sslCert;
+    object.server_options.sslKey = mongosOptions.sslKey;
+    object.server_options.sslPass = mongosOptions.sslPass;
+  }
+
+  // Set the promise library
+  object.db_options.promiseLibrary = options.promiseLibrary;
+
+  // We need to ensure that the list of servers are only either direct members or mongos
+  // they cannot be a mix of monogs and mongod's
+  var totalNumberOfServers = object.servers.length;
+  var totalNumberOfMongosServers = 0;
+  var totalNumberOfMongodServers = 0;
+  var serverConfig = null;
+  var errorServers = {};
+
+  // Failure modes
+  if(object.servers.length == 0) throw new Error("connection string must contain at least one seed host");
+
+  // If we have no db setting for the native parser try to set the c++ one first
+  object.db_options.native_parser = _setNativeParser(object.db_options);
+  // If no auto_reconnect is set, set it to true as default for single servers
+  if(typeof object.server_options.auto_reconnect != 'boolean') {
+    object.server_options.auto_reconnect = true;
+  }
+
+  // If we have more than a server, it could be replicaset or mongos list
+  // need to verify that it's one or the other and fail if it's a mix
+  // Connect to all servers and run ismaster
+  for(var i = 0; i < object.servers.length; i++) {
+    // Set up socket options
+    var providedSocketOptions = object.server_options.socketOptions || {};
+
+    var _server_options = {
+        poolSize:1
+      , socketOptions: {
+          connectTimeoutMS: providedSocketOptions.connectTimeoutMS || (1000 * 120)
+        , socketTimeoutMS:  providedSocketOptions.socketTimeoutMS || (1000 * 120)
+      }
+      , auto_reconnect:false};
+
+    // Ensure we have ssl setup for the servers
+    if(object.server_options.ssl) {
+      _server_options.ssl = object.server_options.ssl;
+      _server_options.sslValidate = object.server_options.sslValidate;
+      _server_options.checkServerIdentity = object.server_options.checkServerIdentity;
+      _server_options.sslCA = object.server_options.sslCA;
+      _server_options.sslCert = object.server_options.sslCert;
+      _server_options.sslKey = object.server_options.sslKey;
+      _server_options.sslPass = object.server_options.sslPass;
+    } else if(object.rs_options.ssl) {
+      _server_options.ssl = object.rs_options.ssl;
+      _server_options.sslValidate = object.rs_options.sslValidate;
+      _server_options.checkServerIdentity = object.rs_options.checkServerIdentity;
+      _server_options.sslCA = object.rs_options.sslCA;
+      _server_options.sslCert = object.rs_options.sslCert;
+      _server_options.sslKey = object.rs_options.sslKey;
+      _server_options.sslPass = object.rs_options.sslPass;
+    }
+
+    // Error
+    var error = null;
+    // Set up the Server object
+    var _server = object.servers[i].domain_socket
+        ? new Server(object.servers[i].domain_socket, _server_options)
+        : new Server(object.servers[i].host, object.servers[i].port, _server_options);
+
+    var connectFunction = function(__server) {
+      // Attempt connect
+      new Db(object.dbName, __server, {w:1, native_parser:false, promiseLibrary:options.promiseLibrary}).open(function(err, db) {
+        // Update number of servers
+        totalNumberOfServers = totalNumberOfServers - 1;
+
+        // If no error do the correct checks
+        if(!err) {
+          // Close the connection
+          db.close();
+          // Get the last ismaster document
+          var isMasterDoc = db.serverConfig.isMasterDoc;
+
+          // Check what type of server we have
+          if(isMasterDoc.setName) {
+            totalNumberOfMongodServers++;
+          }
+
+          if(isMasterDoc.msg && isMasterDoc.msg == "isdbgrid") totalNumberOfMongosServers++;
+        } else {
+          error = err;
+          errorServers[__server.host + ":" + __server.port] = __server;
+        }
+
+        if(totalNumberOfServers == 0) {
+          // Error out
+          if(totalNumberOfMongodServers == 0 && totalNumberOfMongosServers == 0 && error) {
+            return callback(error, null);
+          }
+
+          // If we have a mix of mongod and mongos, throw an error
+          if(totalNumberOfMongosServers > 0 && totalNumberOfMongodServers > 0) {
+            if(db) db.close();
+            return process.nextTick(function() {
+              try {
+                callback(new Error("cannot combine a list of replicaset seeds and mongos seeds"));
+              } catch (err) {
+                throw err
+              }
+            })
+          }
+
+          if(totalNumberOfMongodServers == 0
+            && totalNumberOfMongosServers == 0
+            && object.servers.length == 1
+            && (!object.rs_options.replicaSet || !object.rs_options.rs_name)) {
+
+            var obj = object.servers[0];
+            serverConfig = obj.domain_socket ?
+                new Server(obj.domain_socket, object.server_options)
+              : new Server(obj.host, obj.port, object.server_options);
+
+          } else if(totalNumberOfMongodServers > 0
+            || totalNumberOfMongosServers > 0
+            || object.rs_options.replicaSet || object.rs_options.rs_name) {
+
+            var finalServers = object.servers
+              .filter(function(serverObj) {
+                return errorServers[serverObj.host + ":" + serverObj.port] == null;
+              })
+              .map(function(serverObj) {
+                return serverObj.domain_socket ?
+                  new Server(serverObj.domain_socket, 27017, object.server_options)
+                : new Server(serverObj.host, serverObj.port, object.server_options);
+              });
+
+            // Clean out any error servers
+            errorServers = {};
+
+            // Set up the final configuration
+            if(totalNumberOfMongodServers > 0) {
+              try {
+
+                // If no replicaset name was provided, we wish to perform a
+                // direct connection
+                if(totalNumberOfMongodServers == 1
+                  && (!object.rs_options.replicaSet && !object.rs_options.rs_name)) {
+                  serverConfig = finalServers[0];
+                } else if(totalNumberOfMongodServers == 1) {
+                  object.rs_options.replicaSet = object.rs_options.replicaSet || object.rs_options.rs_name;
+                  serverConfig = new ReplSet(finalServers, object.rs_options);
+                } else {
+                  serverConfig = new ReplSet(finalServers, object.rs_options);
+                }
+
+              } catch(err) {
+                return callback(err, null);
+              }
+            } else {
+              serverConfig = new Mongos(finalServers, object.mongos_options);
+            }
+          }
+
+          if(serverConfig == null) {
+            return process.nextTick(function() {
+              try {
+                callback(new Error("Could not locate any valid servers in initial seed list"));
+              } catch (err) {
+                if(db) db.close();
+                throw err
+              }
+            });
+          }
+
+          // Ensure no firing of open event before we are ready
+          serverConfig.emitOpen = false;
+          // Set up all options etc and connect to the database
+          _finishConnecting(serverConfig, object, options, callback)
+        }
+      });
+    }
+
+    // Wrap the context of the call
+    connectFunction(_server);
+  }
+}
+
+var _setNativeParser = function(db_options) {
+  if(typeof db_options.native_parser == 'boolean') return db_options.native_parser;
+
+  try {
+    require('mongodb-core').BSON.BSONNative.BSON;
+    return true;
+  } catch(err) {
+    return false;
+  }
+}
+
+var _finishConnecting = function(serverConfig, object, options, callback) {
+  // If we have a readPreference passed in by the db options
+  if(typeof object.db_options.readPreference == 'string') {
+    object.db_options.readPreference = new ReadPreference(object.db_options.readPreference);
+  } else if(typeof object.db_options.read_preference == 'string') {
+    object.db_options.readPreference = new ReadPreference(object.db_options.read_preference);
+  }
+
+  // Do we have readPreference tags
+  if(object.db_options.readPreference && object.db_options.readPreferenceTags) {
+    object.db_options.readPreference.tags = object.db_options.readPreferenceTags;
+  } else if(object.db_options.readPreference && object.db_options.read_preference_tags) {
+    object.db_options.readPreference.tags = object.db_options.read_preference_tags;
+  }
+
+  // Get the socketTimeoutMS
+  var socketTimeoutMS = object.server_options.socketOptions.socketTimeoutMS || 0;
+
+  // If we have a replset, override with replicaset socket timeout option if available
+  if(serverConfig instanceof ReplSet) {
+    socketTimeoutMS = object.rs_options.socketOptions.socketTimeoutMS || socketTimeoutMS;
+  }
+
+  // Set socketTimeout to the same as the connectTimeoutMS or 30 sec
+  serverConfig.connectTimeoutMS = serverConfig.connectTimeoutMS || 30000;
+  serverConfig.socketTimeoutMS = serverConfig.connectTimeoutMS;
+
+  // Set up the db options
+  var db = new Db(object.dbName, serverConfig, object.db_options);
+  // Open the db
+  db.open(function(err, db){
+
+    if(err) {
+      return process.nextTick(function() {
+        try {
+          callback(err, null);
+        } catch (err) {
+          if(db) db.close();
+          throw err
+        }
+      });
+    }
+
+    // Reset the socket timeout
+    serverConfig.socketTimeoutMS = socketTimeoutMS || 0;
+
+    // Return object
+    if(err == null && object.auth){
+      // What db to authenticate against
+      var authentication_db = db;
+      if(object.db_options && object.db_options.authSource) {
+        authentication_db = db.db(object.db_options.authSource);
+      }
+
+      // Build options object
+      var options = {};
+      if(object.db_options.authMechanism) options.authMechanism = object.db_options.authMechanism;
+      if(object.db_options.gssapiServiceName) options.gssapiServiceName = object.db_options.gssapiServiceName;
+
+      // Authenticate
+      authentication_db.authenticate(object.auth.user, object.auth.password, options, function(err, success){
+        if(success){
+          process.nextTick(function() {
+            try {
+              callback(null, db);
+            } catch (err) {
+              if(db) db.close();
+              throw err
+            }
+          });
+        } else {
+          if(db) db.close();
+          process.nextTick(function() {
+            try {
+              callback(err ? err : new Error('Could not authenticate user ' + object.auth[0]), null);
+            } catch (err) {
+              if(db) db.close();
+              throw err
+            }
+          });
+        }
+      });
+    } else {
+      process.nextTick(function() {
+        try {
+          callback(err, db);
+        } catch (err) {
+          if(db) db.close();
+          throw err
+        }
+      })
+    }
+  });
+}
+
+module.exports = MongoClient

node_modules/mongodb/lib/mongos.js

@@ -0,0 +1,499 @@
+"use strict";
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('util').inherits
+  , f = require('util').format
+  , ServerCapabilities = require('./topology_base').ServerCapabilities
+  , MongoCR = require('mongodb-core').MongoCR
+  , MongoError = require('mongodb-core').MongoError
+  , CMongos = require('mongodb-core').Mongos
+  , Cursor = require('./cursor')
+  , AggregationCursor = require('./aggregation_cursor')
+  , CommandCursor = require('./command_cursor')
+  , Define = require('./metadata')
+  , Server = require('./server')
+  , Store = require('./topology_base').Store
+  , shallowClone = require('./utils').shallowClone;
+
+/**
+ * @fileOverview The **Mongos** class is a class that represents a Mongos Proxy topology and is
+ * used to construct connections.
+ *
+ * **Mongos Should not be used, use MongoClient.connect**
+ * @example
+ * var Db = require('mongodb').Db,
+ *   Mongos = require('mongodb').Mongos,
+ *   Server = require('mongodb').Server,
+ *   test = require('assert');
+ * // Connect using Mongos
+ * var server = new Server('localhost', 27017);
+ * var db = new Db('test', new Mongos([server]));
+ * db.open(function(err, db) {
+ *   // Get an additional db
+ *   db.close();
+ * });
+ */
+
+/**
+ * Creates a new Mongos instance
+ * @class
+ * @deprecated
+ * @param {Server[]} servers A seedlist of servers participating in the replicaset.
+ * @param {object} [options=null] Optional settings.
+ * @param {booelan} [options.ha=true] Turn on high availability monitoring.
+ * @param {number} [options.haInterval=5000] Time between each replicaset status check.
+ * @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
+ * @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
+ * @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
+ * @param {object} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {array} [options.sslCA=null] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslCert=null] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslKey=null] String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslPass=null] String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {object} [options.socketOptions=null] Socket options
+ * @param {boolean} [options.socketOptions.noDelay=true] TCP Socket NoDelay option.
+ * @param {number} [options.socketOptions.keepAlive=0] TCP KeepAlive on the socket with a X ms delay before start.
+ * @param {number} [options.socketOptions.connectTimeoutMS=0] TCP Connection timeout setting
+ * @param {number} [options.socketOptions.socketTimeoutMS=0] TCP Socket timeout setting
+ * @fires Mongos#connect
+ * @fires Mongos#ha
+ * @fires Mongos#joined
+ * @fires Mongos#left
+ * @fires Mongos#fullsetup
+ * @fires Mongos#open
+ * @fires Mongos#close
+ * @fires Mongos#error
+ * @fires Mongos#timeout
+ * @fires Mongos#parseError
+ * @return {Mongos} a Mongos instance.
+ */
+var Mongos = function(servers, options) {
+  if(!(this instanceof Mongos)) return new Mongos(servers, options);
+  options = options || {};
+  var self = this;
+
+  // Ensure all the instances are Server
+  for(var i = 0; i < servers.length; i++) {
+    if(!(servers[i] instanceof Server)) {
+      throw MongoError.create({message: "all seed list instances must be of the Server type", driver:true});
+    }
+  }
+
+  // Store option defaults
+  var storeOptions = {
+      force: false
+    , bufferMaxEntries: -1
+  }
+
+  // Shared global store
+  var store = options.store || new Store(self, storeOptions);
+
+  // Set up event emitter
+  EventEmitter.call(this);
+
+  // Debug tag
+  var tag = options.tag;
+
+  // Build seed list
+  var seedlist = servers.map(function(x) {
+    return {host: x.host, port: x.port}
+  });
+
+  // Final options
+  var finalOptions = shallowClone(options);
+
+  // Default values
+  finalOptions.size = typeof options.poolSize == 'number' ? options.poolSize : 5;
+  finalOptions.reconnect = typeof options.auto_reconnect == 'boolean' ? options.auto_reconnect : true;
+  finalOptions.emitError = typeof options.emitError == 'boolean' ? options.emitError : true;
+  finalOptions.cursorFactory = Cursor;
+
+  // Add the store
+  finalOptions.disconnectHandler = store;
+
+  // Ensure we change the sslCA option to ca if available
+  if(options.sslCA) finalOptions.ca = options.sslCA;
+  if(typeof options.sslValidate == 'boolean') finalOptions.rejectUnauthorized = options.sslValidate;
+  if(options.sslKey) finalOptions.key = options.sslKey;
+  if(options.sslCert) finalOptions.cert = options.sslCert;
+  if(options.sslPass) finalOptions.passphrase = options.sslPass;
+  if(options.checkServerIdentity) finalOptions.checkServerIdentity = options.checkServerIdentity;
+
+  // Socket options passed down
+  if(options.socketOptions) {
+    if(options.socketOptions.connectTimeoutMS) {
+      this.connectTimeoutMS = options.socketOptions.connectTimeoutMS;
+      finalOptions.connectionTimeout = options.socketOptions.connectTimeoutMS;
+    }
+    if(options.socketOptions.socketTimeoutMS)
+      finalOptions.socketTimeout = options.socketOptions.socketTimeoutMS;
+  }
+
+  // Are we running in debug mode
+  var debug = typeof options.debug == 'boolean' ? options.debug : false;
+  if(debug) {
+    finalOptions.debug = debug;
+  }
+
+  // Map keep alive setting
+  if(options.socketOptions && typeof options.socketOptions.keepAlive == 'number') {
+    finalOptions.keepAlive = true;
+    if(typeof options.socketOptions.keepAlive == 'number') {
+      finalOptions.keepAliveInitialDelay = options.socketOptions.keepAlive;
+    }
+  }
+
+  // Connection timeout
+  if(options.socketOptions && typeof options.socketOptions.connectionTimeout == 'number') {
+    finalOptions.connectionTimeout = options.socketOptions.connectionTimeout;
+  }
+
+  // Socket timeout
+  if(options.socketOptions && typeof options.socketOptions.socketTimeout == 'number') {
+    finalOptions.socketTimeout = options.socketOptions.socketTimeout;
+  }
+
+  // noDelay
+  if(options.socketOptions && typeof options.socketOptions.noDelay == 'boolean') {
+    finalOptions.noDelay = options.socketOptions.noDelay;
+  }
+
+  if(typeof options.secondaryAcceptableLatencyMS == 'number') {
+    finalOptions.acceptableLatency = options.secondaryAcceptableLatencyMS;
+  }
+
+  // Add the non connection store
+  finalOptions.disconnectHandler = store;
+
+  // Create the Mongos
+  var mongos = new CMongos(seedlist, finalOptions)
+  // Server capabilities
+  var sCapabilities = null;
+  // Add auth prbufferMaxEntriesoviders
+  mongos.addAuthProvider('mongocr', new MongoCR());
+
+  // Internal state
+  this.s = {
+    // Create the Mongos
+      mongos: mongos
+    // Server capabilities
+    , sCapabilities: sCapabilities
+    // Debug turned on
+    , debug: debug
+    // Store option defaults
+    , storeOptions: storeOptions
+    // Cloned options
+    , clonedOptions: finalOptions
+    // Actual store of callbacks
+    , store: store
+    // Options
+    , options: options
+  }
+
+
+  // Last ismaster
+  Object.defineProperty(this, 'isMasterDoc', {
+    enumerable:true, get: function() { return self.s.mongos.lastIsMaster(); }
+  });
+
+  // Last ismaster
+  Object.defineProperty(this, 'numberOfConnectedServers', {
+    enumerable:true, get: function() {
+      return self.s.mongos.s.mongosState.connectedServers().length;
+    }
+  });
+
+  // BSON property
+  Object.defineProperty(this, 'bson', {
+    enumerable: true, get: function() {
+      return self.s.mongos.bson;
+    }
+  });
+
+  Object.defineProperty(this, 'haInterval', {
+    enumerable:true, get: function() { return self.s.mongos.haInterval; }
+  });
+}
+
+/**
+ * @ignore
+ */
+inherits(Mongos, EventEmitter);
+
+var define = Mongos.define = new Define('Mongos', Mongos, false);
+
+// Connect
+Mongos.prototype.connect = function(db, _options, callback) {
+  var self = this;
+  if('function' === typeof _options) callback = _options, _options = {};
+  if(_options == null) _options = {};
+  if(!('function' === typeof callback)) callback = null;
+  self.s.options = _options;
+
+  // Update bufferMaxEntries
+  self.s.storeOptions.bufferMaxEntries = db.bufferMaxEntries;
+
+  // Error handler
+  var connectErrorHandler = function(event) {
+    return function(err) {
+      // Remove all event handlers
+      var events = ['timeout', 'error', 'close'];
+      events.forEach(function(e) {
+        self.removeListener(e, connectErrorHandler);
+      });
+
+      self.s.mongos.removeListener('connect', connectErrorHandler);
+
+      // Try to callback
+      try {
+        callback(err);
+      } catch(err) {
+        process.nextTick(function() { throw err; })
+      }
+    }
+  }
+
+  // Actual handler
+  var errorHandler = function(event) {
+    return function(err) {
+      if(event != 'error') {
+        self.emit(event, err);
+      }
+    }
+  }
+
+  // Error handler
+  var reconnectHandler = function(err) {
+    self.emit('reconnect');
+    self.s.store.execute();
+  }
+
+  // Connect handler
+  var connectHandler = function() {
+    // Clear out all the current handlers left over
+    ["timeout", "error", "close"].forEach(function(e) {
+      self.s.mongos.removeAllListeners(e);
+    });
+
+    // Set up listeners
+    self.s.mongos.once('timeout', errorHandler('timeout'));
+    self.s.mongos.once('error', errorHandler('error'));
+    self.s.mongos.once('close', errorHandler('close'));
+
+    // relay the event
+    var relay = function(event) {
+      return function(t, server) {
+        self.emit(event, t, server);
+      }
+    }
+
+    // Set up serverConfig listeners
+    self.s.mongos.on('joined', relay('joined'));
+    self.s.mongos.on('left', relay('left'));
+    self.s.mongos.on('fullsetup', relay('fullsetup'));
+
+    // Emit open event
+    self.emit('open', null, self);
+
+    // Return correctly
+    try {
+      callback(null, self);
+    } catch(err) {
+      process.nextTick(function() { throw err; })
+    }
+  }
+
+  // Set up listeners
+  self.s.mongos.once('timeout', connectErrorHandler('timeout'));
+  self.s.mongos.once('error', connectErrorHandler('error'));
+  self.s.mongos.once('close', connectErrorHandler('close'));
+  self.s.mongos.once('connect', connectHandler);
+  // Reconnect server
+  self.s.mongos.on('reconnect', reconnectHandler);
+
+  // Start connection
+  self.s.mongos.connect(_options);
+}
+
+Mongos.prototype.parserType = function() {
+  return this.s.mongos.parserType();
+}
+
+define.classMethod('parserType', {callback: false, promise:false, returns: [String]});
+
+// Server capabilities
+Mongos.prototype.capabilities = function() {
+  if(this.s.sCapabilities) return this.s.sCapabilities;
+  if(this.s.mongos.lastIsMaster() == null) return null;
+  this.s.sCapabilities = new ServerCapabilities(this.s.mongos.lastIsMaster());
+  return this.s.sCapabilities;
+}
+
+define.classMethod('capabilities', {callback: false, promise:false, returns: [ServerCapabilities]});
+
+// Command
+Mongos.prototype.command = function(ns, cmd, options, callback) {
+  this.s.mongos.command(ns, cmd, options, callback);
+}
+
+define.classMethod('command', {callback: true, promise:false});
+
+// Insert
+Mongos.prototype.insert = function(ns, ops, options, callback) {
+  this.s.mongos.insert(ns, ops, options, function(e, m) {
+    callback(e, m)
+  });
+}
+
+define.classMethod('insert', {callback: true, promise:false});
+
+// Update
+Mongos.prototype.update = function(ns, ops, options, callback) {
+  this.s.mongos.update(ns, ops, options, callback);
+}
+
+define.classMethod('update', {callback: true, promise:false});
+
+// Remove
+Mongos.prototype.remove = function(ns, ops, options, callback) {
+  this.s.mongos.remove(ns, ops, options, callback);
+}
+
+define.classMethod('remove', {callback: true, promise:false});
+
+// Destroyed
+Mongos.prototype.isDestroyed = function() {
+  return this.s.mongos.isDestroyed();
+}
+
+// IsConnected
+Mongos.prototype.isConnected = function() {
+  return this.s.mongos.isConnected();
+}
+
+define.classMethod('isConnected', {callback: false, promise:false, returns: [Boolean]});
+
+// Insert
+Mongos.prototype.cursor = function(ns, cmd, options) {
+  options.disconnectHandler = this.s.store;
+  return this.s.mongos.cursor(ns, cmd, options);
+}
+
+define.classMethod('cursor', {callback: false, promise:false, returns: [Cursor, AggregationCursor, CommandCursor]});
+
+Mongos.prototype.setBSONParserType = function(type) {
+  return this.s.mongos.setBSONParserType(type);
+}
+
+Mongos.prototype.lastIsMaster = function() {
+  return this.s.mongos.lastIsMaster();
+}
+
+Mongos.prototype.close = function(forceClosed) {
+  this.s.mongos.destroy();
+  // We need to wash out all stored processes
+  if(forceClosed == true) {
+    this.s.storeOptions.force = forceClosed;
+    this.s.store.flush();
+  }
+}
+
+define.classMethod('close', {callback: false, promise:false});
+
+Mongos.prototype.auth = function() {
+  var args = Array.prototype.slice.call(arguments, 0);
+  this.s.mongos.auth.apply(this.s.mongos, args);
+}
+
+define.classMethod('auth', {callback: true, promise:false});
+
+/**
+ * All raw connections
+ * @method
+ * @return {array}
+ */
+Mongos.prototype.connections = function() {
+  return this.s.mongos.connections();
+}
+
+define.classMethod('connections', {callback: false, promise:false, returns:[Array]});
+
+/**
+ * A mongos connect event, used to verify that the connection is up and running
+ *
+ * @event Mongos#connect
+ * @type {Mongos}
+ */
+
+/**
+ * The mongos high availability event
+ *
+ * @event Mongos#ha
+ * @type {function}
+ * @param {string} type The stage in the high availability event (start|end)
+ * @param {boolean} data.norepeat This is a repeating high availability process or a single execution only
+ * @param {number} data.id The id for this high availability request
+ * @param {object} data.state An object containing the information about the current replicaset
+ */
+
+/**
+ * A server member left the mongos set
+ *
+ * @event Mongos#left
+ * @type {function}
+ * @param {string} type The type of member that left (primary|secondary|arbiter)
+ * @param {Server} server The server object that left
+ */
+
+/**
+ * A server member joined the mongos set
+ *
+ * @event Mongos#joined
+ * @type {function}
+ * @param {string} type The type of member that joined (primary|secondary|arbiter)
+ * @param {Server} server The server object that joined
+ */
+
+/**
+ * Mongos fullsetup event, emitted when all proxies in the topology have been connected to.
+ *
+ * @event Mongos#fullsetup
+ * @type {Mongos}
+ */
+
+/**
+ * Mongos open event, emitted when mongos can start processing commands.
+ *
+ * @event Mongos#open
+ * @type {Mongos}
+ */
+
+/**
+ * Mongos close event
+ *
+ * @event Mongos#close
+ * @type {object}
+ */
+
+/**
+ * Mongos error event, emitted if there is an error listener.
+ *
+ * @event Mongos#error
+ * @type {MongoError}
+ */
+
+/**
+ * Mongos timeout event
+ *
+ * @event Mongos#timeout
+ * @type {object}
+ */
+
+/**
+ * Mongos parseError event
+ *
+ * @event Mongos#parseError
+ * @type {object}
+ */
+
+module.exports = Mongos;

node_modules/mongodb/lib/read_preference.js

@@ -0,0 +1,104 @@
+"use strict";
+
+/**
+ * @fileOverview The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is
+ * used to construct connections.
+ * 
+ * @example
+ * var Db = require('mongodb').Db,
+ *   ReplSet = require('mongodb').ReplSet,
+ *   Server = require('mongodb').Server,
+ *   ReadPreference = require('mongodb').ReadPreference,
+ *   test = require('assert');
+ * // Connect using ReplSet
+ * var server = new Server('localhost', 27017);
+ * var db = new Db('test', new ReplSet([server]));
+ * db.open(function(err, db) {
+ *   test.equal(null, err);
+ *   // Perform a read
+ *   var cursor = db.collection('t').find({});
+ *   cursor.setReadPreference(ReadPreference.PRIMARY);
+ *   cursor.toArray(function(err, docs) {
+ *     test.equal(null, err);
+ *     db.close();
+ *   });
+ * });
+ */
+
+/**
+ * Creates a new ReadPreference instance
+ * 
+ * Read Preferences
+ *  - **ReadPreference.PRIMARY**, Read from primary only. All operations produce an error (throw an exception where applicable) if primary is unavailable. Cannot be combined with tags (This is the default.).
+ *  - **ReadPreference.PRIMARY_PREFERRED**, Read from primary if available, otherwise a secondary.
+ *  - **ReadPreference.SECONDARY**, Read from secondary if available, otherwise error.
+ *  - **ReadPreference.SECONDARY_PREFERRED**, Read from a secondary if available, otherwise read from the primary.
+ *  - **ReadPreference.NEAREST**, All modes read from among the nearest candidates, but unlike other modes, NEAREST will include both the primary and all secondaries in the random selection.
+ *
+ * @class
+ * @param {string} mode The ReadPreference mode as listed above.
+ * @param {object} tags An object representing read preference tags.
+ * @property {string} mode The ReadPreference mode.
+ * @property {object} tags The ReadPreference tags.
+ * @return {ReadPreference} a ReadPreference instance.
+ */ 
+var ReadPreference = function(mode, tags) {
+  if(!(this instanceof ReadPreference))
+    return new ReadPreference(mode, tags);
+  this._type = 'ReadPreference';
+  this.mode = mode;
+  this.tags = tags;
+}
+
+/**
+ * Validate if a mode is legal
+ *
+ * @method
+ * @param {string} mode The string representing the read preference mode.
+ * @return {boolean}
+ */  
+ReadPreference.isValid = function(_mode) {
+  return (_mode == ReadPreference.PRIMARY || _mode == ReadPreference.PRIMARY_PREFERRED
+    || _mode == ReadPreference.SECONDARY || _mode == ReadPreference.SECONDARY_PREFERRED
+    || _mode == ReadPreference.NEAREST
+    || _mode == true || _mode == false || _mode == null);
+}
+
+/**
+ * Validate if a mode is legal
+ *
+ * @method
+ * @param {string} mode The string representing the read preference mode.
+ * @return {boolean}
+ */  
+ReadPreference.prototype.isValid = function(mode) {
+  var _mode = typeof mode == 'string' ? mode : this.mode;
+  return ReadPreference.isValid(_mode);
+}
+
+/**
+ * @ignore
+ */
+ReadPreference.prototype.toObject = function() {
+  var object = {mode:this.mode};
+
+  if(this.tags != null) {
+    object['tags'] = this.tags;
+  }
+
+  return object;
+}
+
+/**
+ * @ignore
+ */
+ReadPreference.PRIMARY = 'primary';
+ReadPreference.PRIMARY_PREFERRED = 'primaryPreferred';
+ReadPreference.SECONDARY = 'secondary';
+ReadPreference.SECONDARY_PREFERRED = 'secondaryPreferred';
+ReadPreference.NEAREST = 'nearest'
+
+/**
+ * @ignore
+ */
+module.exports = ReadPreference;

node_modules/mongodb/lib/replset.js

@@ -0,0 +1,562 @@
+"use strict";
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('util').inherits
+  , f = require('util').format
+  , Server = require('./server')
+  , Mongos = require('./mongos')
+  , Cursor = require('./cursor')
+  , AggregationCursor = require('./aggregation_cursor')
+  , CommandCursor = require('./command_cursor')
+  , ReadPreference = require('./read_preference')
+  , MongoCR = require('mongodb-core').MongoCR
+  , MongoError = require('mongodb-core').MongoError
+  , ServerCapabilities = require('./topology_base').ServerCapabilities
+  , Store = require('./topology_base').Store
+  , Define = require('./metadata')
+  , CServer = require('mongodb-core').Server
+  , CReplSet = require('mongodb-core').ReplSet
+  , CoreReadPreference = require('mongodb-core').ReadPreference
+  , shallowClone = require('./utils').shallowClone;
+
+/**
+ * @fileOverview The **ReplSet** class is a class that represents a Replicaset topology and is
+ * used to construct connections.
+ *
+ * **ReplSet Should not be used, use MongoClient.connect**
+ * @example
+ * var Db = require('mongodb').Db,
+ *   ReplSet = require('mongodb').ReplSet,
+ *   Server = require('mongodb').Server,
+ *   test = require('assert');
+ * // Connect using ReplSet
+ * var server = new Server('localhost', 27017);
+ * var db = new Db('test', new ReplSet([server]));
+ * db.open(function(err, db) {
+ *   // Get an additional db
+ *   db.close();
+ * });
+ */
+
+/**
+ * Creates a new ReplSet instance
+ * @class
+ * @deprecated
+ * @param {Server[]} servers A seedlist of servers participating in the replicaset.
+ * @param {object} [options=null] Optional settings.
+ * @param {booelan} [options.ha=true] Turn on high availability monitoring.
+ * @param {number} [options.haInterval=5000] Time between each replicaset status check.
+ * @param {string} options.replicaSet The name of the replicaset to connect to.
+ * @param {number} [options.secondaryAcceptableLatencyMS=15] Sets the range of servers to pick when using NEAREST (lowest ping ms + the latency fence, ex: range of 1 to (1 + 15) ms)
+ * @param {boolean} [options.connectWithNoPrimary=false] Sets if the driver should connect even if no primary is available
+ * @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
+ * @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
+ * @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
+ * @param {object} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {array} [options.sslCA=null] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslCert=null] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslKey=null] String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslPass=null] String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {object} [options.socketOptions=null] Socket options
+ * @param {boolean} [options.socketOptions.noDelay=true] TCP Socket NoDelay option.
+ * @param {number} [options.socketOptions.keepAlive=0] TCP KeepAlive on the socket with a X ms delay before start.
+ * @param {number} [options.socketOptions.connectTimeoutMS=10000] TCP Connection timeout setting
+ * @param {number} [options.socketOptions.socketTimeoutMS=0] TCP Socket timeout setting
+ * @fires ReplSet#connect
+ * @fires ReplSet#ha
+ * @fires ReplSet#joined
+ * @fires ReplSet#left
+ * @fires ReplSet#fullsetup
+ * @fires ReplSet#open
+ * @fires ReplSet#close
+ * @fires ReplSet#error
+ * @fires ReplSet#timeout
+ * @fires ReplSet#parseError
+ * @return {ReplSet} a ReplSet instance.
+ */
+var ReplSet = function(servers, options) {
+  if(!(this instanceof ReplSet)) return new ReplSet(servers, options);
+  options = options || {};
+  var self = this;
+
+  // Ensure all the instances are Server
+  for(var i = 0; i < servers.length; i++) {
+    if(!(servers[i] instanceof Server)) {
+      throw MongoError.create({message: "all seed list instances must be of the Server type", driver:true});
+    }
+  }
+
+  // Store option defaults
+  var storeOptions = {
+      force: false
+    , bufferMaxEntries: -1
+  }
+
+  // Shared global store
+  var store = options.store || new Store(self, storeOptions);
+
+  // Set up event emitter
+  EventEmitter.call(this);
+
+  // Debug tag
+  var tag = options.tag;
+
+  // Build seed list
+  var seedlist = servers.map(function(x) {
+    return {host: x.host, port: x.port}
+  });
+
+  // Final options
+  var finalOptions = shallowClone(options);
+
+  // Default values
+  finalOptions.size = typeof options.poolSize == 'number' ? options.poolSize : 5;
+  finalOptions.reconnect = typeof options.auto_reconnect == 'boolean' ? options.auto_reconnect : true;
+  finalOptions.emitError = typeof options.emitError == 'boolean' ? options.emitError : true;
+  finalOptions.cursorFactory = Cursor;
+
+  // Add the store
+  finalOptions.disconnectHandler = store;
+
+  // Socket options passed down
+  if(options.socketOptions) {
+    if(options.socketOptions.connectTimeoutMS) {
+      this.connectTimeoutMS = options.socketOptions.connectTimeoutMS;
+      finalOptions.connectionTimeout = options.socketOptions.connectTimeoutMS;
+    }
+
+    if(options.socketOptions.socketTimeoutMS) {
+      finalOptions.socketTimeout = options.socketOptions.socketTimeoutMS;
+    }
+  }
+
+  // Get the name
+  var replicaSet = options.replicaSet || options.rs_name;
+
+  // Set up options
+  finalOptions.setName = replicaSet;
+
+  // Are we running in debug mode
+  var debug = typeof options.debug == 'boolean' ? options.debug : false;
+  if(debug) {
+    finalOptions.debug = debug;
+  }
+
+  // Map keep alive setting
+  if(options.socketOptions && typeof options.socketOptions.keepAlive == 'number') {
+    finalOptions.keepAlive = true;
+    if(typeof options.socketOptions.keepAlive == 'number') {
+      finalOptions.keepAliveInitialDelay = options.socketOptions.keepAlive;
+    }
+  }
+
+  // Connection timeout
+  if(options.socketOptions && typeof options.socketOptions.connectionTimeout == 'number') {
+    finalOptions.connectionTimeout = options.socketOptions.connectionTimeout;
+  }
+
+  // Socket timeout
+  if(options.socketOptions && typeof options.socketOptions.socketTimeout == 'number') {
+    finalOptions.socketTimeout = options.socketOptions.socketTimeout;
+  }
+
+  // noDelay
+  if(options.socketOptions && typeof options.socketOptions.noDelay == 'boolean') {
+    finalOptions.noDelay = options.socketOptions.noDelay;
+  }
+
+  if(typeof options.secondaryAcceptableLatencyMS == 'number') {
+    finalOptions.acceptableLatency = options.secondaryAcceptableLatencyMS;
+  }
+
+  if(options.connectWithNoPrimary == true) {
+    finalOptions.secondaryOnlyConnectionAllowed = true;
+  }
+
+  // Add the non connection store
+  finalOptions.disconnectHandler = store;
+
+  // Translate the options
+  if(options.sslCA) finalOptions.ca = options.sslCA;
+  if(typeof options.sslValidate == 'boolean') finalOptions.rejectUnauthorized = options.sslValidate;
+  if(options.sslKey) finalOptions.key = options.sslKey;
+  if(options.sslCert) finalOptions.cert = options.sslCert;
+  if(options.sslPass) finalOptions.passphrase = options.sslPass;
+  if(options.checkServerIdentity) finalOptions.checkServerIdentity = options.checkServerIdentity;
+
+  // Create the ReplSet
+  var replset = new CReplSet(seedlist, finalOptions)
+  // Server capabilities
+  var sCapabilities = null;
+  // Add auth prbufferMaxEntriesoviders
+  replset.addAuthProvider('mongocr', new MongoCR());
+
+  // Listen to reconnect event
+  replset.on('reconnect', function() {
+    self.emit('reconnect');
+    store.execute();
+  });
+
+  // Internal state
+  this.s = {
+    // Replicaset
+    replset: replset
+    // Server capabilities
+    , sCapabilities: null
+    // Debug tag
+    , tag: options.tag
+    // Store options
+    , storeOptions: storeOptions
+    // Cloned options
+    , clonedOptions: finalOptions
+    // Store
+    , store: store
+    // Options
+    , options: options
+  }
+
+  // Debug
+  if(debug) {
+    // Last ismaster
+    Object.defineProperty(this, 'replset', {
+      enumerable:true, get: function() { return replset; }
+    });
+  }
+
+  // Last ismaster
+  Object.defineProperty(this, 'isMasterDoc', {
+    enumerable:true, get: function() { return replset.lastIsMaster(); }
+  });
+
+  // BSON property
+  Object.defineProperty(this, 'bson', {
+    enumerable: true, get: function() {
+      return replset.bson;
+    }
+  });
+
+  Object.defineProperty(this, 'haInterval', {
+    enumerable:true, get: function() { return replset.haInterval; }
+  });
+}
+
+/**
+ * @ignore
+ */
+inherits(ReplSet, EventEmitter);
+
+var define = ReplSet.define = new Define('ReplSet', ReplSet, false);
+
+// Ensure the right read Preference object
+var translateReadPreference = function(options) {
+  if(typeof options.readPreference == 'string') {
+    options.readPreference = new CoreReadPreference(options.readPreference);
+  } else if(options.readPreference instanceof ReadPreference) {
+    options.readPreference = new CoreReadPreference(options.readPreference.mode
+      , options.readPreference.tags);
+  }
+
+  return options;
+}
+
+ReplSet.prototype.parserType = function() {
+  return this.s.replset.parserType();
+}
+
+define.classMethod('parserType', {callback: false, promise:false, returns: [String]});
+
+// Connect method
+ReplSet.prototype.connect = function(db, _options, callback) {
+  var self = this;
+  if('function' === typeof _options) callback = _options, _options = {};
+  if(_options == null) _options = {};
+  if(!('function' === typeof callback)) callback = null;
+  self.s.options = _options;
+
+  // Update bufferMaxEntries
+  self.s.storeOptions.bufferMaxEntries = db.bufferMaxEntries;
+
+  // Actual handler
+  var errorHandler = function(event) {
+    return function(err) {
+      if(event != 'error') {
+        self.emit(event, err);
+      }
+    }
+  }
+
+  // Connect handler
+  var connectHandler = function() {
+    // Clear out all the current handlers left over
+    ["timeout", "error", "close"].forEach(function(e) {
+      self.s.replset.removeAllListeners(e);
+    });
+
+    // Set up listeners
+    self.s.replset.once('timeout', errorHandler('timeout'));
+    self.s.replset.once('error', errorHandler('error'));
+    self.s.replset.once('close', errorHandler('close'));
+
+    // relay the event
+    var relay = function(event) {
+      return function(t, server) {
+        self.emit(event, t, server);
+      }
+    }
+
+    // Replset events relay
+    var replsetRelay = function(event) {
+      return function(t, server) {
+        self.emit(event, t, server.lastIsMaster(), server);
+      }
+    }
+
+    // Relay ha
+    var relayHa = function(t, state) {
+      self.emit('ha', t, state);
+
+      if(t == 'start') {
+        self.emit('ha_connect', t, state);
+      } else if(t == 'end') {
+        self.emit('ha_ismaster', t, state);
+      }
+    }
+
+    // Set up serverConfig listeners
+    self.s.replset.on('joined', replsetRelay('joined'));
+    self.s.replset.on('left', relay('left'));
+    self.s.replset.on('ping', relay('ping'));
+    self.s.replset.on('ha', relayHa);
+
+    self.s.replset.on('fullsetup', function(topology) {
+      self.emit('fullsetup', null, self);
+    });
+
+    self.s.replset.on('all', function(topology) {
+      self.emit('all', null, self);
+    });
+
+    // Emit open event
+    self.emit('open', null, self);
+
+    // Return correctly
+    try {
+      callback(null, self);
+    } catch(err) {
+      process.nextTick(function() { throw err; })
+    }
+  }
+
+  // Error handler
+  var connectErrorHandler = function(event) {
+    return function(err) {
+      ['timeout', 'error', 'close'].forEach(function(e) {
+        self.s.replset.removeListener(e, connectErrorHandler);
+      });
+
+      self.s.replset.removeListener('connect', connectErrorHandler);
+      // Destroy the replset
+      self.s.replset.destroy();
+
+      // Try to callback
+      try {
+        callback(err);
+      } catch(err) {
+        if(!self.s.replset.isConnected())
+          process.nextTick(function() { throw err; })
+      }
+    }
+  }
+
+  // Set up listeners
+  self.s.replset.once('timeout', connectErrorHandler('timeout'));
+  self.s.replset.once('error', connectErrorHandler('error'));
+  self.s.replset.once('close', connectErrorHandler('close'));
+  self.s.replset.once('connect', connectHandler);
+
+  // Start connection
+  self.s.replset.connect(_options);
+}
+
+// Server capabilities
+ReplSet.prototype.capabilities = function() {
+  if(this.s.sCapabilities) return this.s.sCapabilities;
+  if(this.s.replset.lastIsMaster() == null) return null;
+  this.s.sCapabilities = new ServerCapabilities(this.s.replset.lastIsMaster());
+  return this.s.sCapabilities;
+}
+
+define.classMethod('capabilities', {callback: false, promise:false, returns: [ServerCapabilities]});
+
+// Command
+ReplSet.prototype.command = function(ns, cmd, options, callback) {
+  options = translateReadPreference(options);
+  this.s.replset.command(ns, cmd, options, callback);
+}
+
+define.classMethod('command', {callback: true, promise:false});
+
+// Insert
+ReplSet.prototype.insert = function(ns, ops, options, callback) {
+  this.s.replset.insert(ns, ops, options, callback);
+}
+
+define.classMethod('insert', {callback: true, promise:false});
+
+// Update
+ReplSet.prototype.update = function(ns, ops, options, callback) {
+  this.s.replset.update(ns, ops, options, callback);
+}
+
+define.classMethod('update', {callback: true, promise:false});
+
+// Remove
+ReplSet.prototype.remove = function(ns, ops, options, callback) {
+  this.s.replset.remove(ns, ops, options, callback);
+}
+
+define.classMethod('remove', {callback: true, promise:false});
+
+// Destroyed
+ReplSet.prototype.isDestroyed = function() {
+  return this.s.replset.isDestroyed();
+}
+
+// IsConnected
+ReplSet.prototype.isConnected = function() {
+  return this.s.replset.isConnected();
+}
+
+define.classMethod('isConnected', {callback: false, promise:false, returns: [Boolean]});
+
+ReplSet.prototype.setBSONParserType = function(type) {
+  return this.s.replset.setBSONParserType(type);
+}
+
+// Insert
+ReplSet.prototype.cursor = function(ns, cmd, options) {
+  options = translateReadPreference(options);
+  options.disconnectHandler = this.s.store;
+  return this.s.replset.cursor(ns, cmd, options);
+}
+
+define.classMethod('cursor', {callback: false, promise:false, returns: [Cursor, AggregationCursor, CommandCursor]});
+
+ReplSet.prototype.lastIsMaster = function() {
+  return this.s.replset.lastIsMaster();
+}
+
+ReplSet.prototype.close = function(forceClosed) {
+  var self = this;
+  this.s.replset.destroy();
+  // We need to wash out all stored processes
+  if(forceClosed == true) {
+    this.s.storeOptions.force = forceClosed;
+    this.s.store.flush();
+  }
+
+  var events = ['timeout', 'error', 'close', 'joined', 'left'];
+  events.forEach(function(e) {
+    self.removeAllListeners(e);
+  });
+}
+
+define.classMethod('close', {callback: false, promise:false});
+
+ReplSet.prototype.auth = function() {
+  var args = Array.prototype.slice.call(arguments, 0);
+  this.s.replset.auth.apply(this.s.replset, args);
+}
+
+define.classMethod('auth', {callback: true, promise:false});
+
+/**
+ * All raw connections
+ * @method
+ * @return {array}
+ */
+ReplSet.prototype.connections = function() {
+  return this.s.replset.connections();
+}
+
+define.classMethod('connections', {callback: false, promise:false, returns:[Array]});
+
+/**
+ * A replset connect event, used to verify that the connection is up and running
+ *
+ * @event ReplSet#connect
+ * @type {ReplSet}
+ */
+
+/**
+ * The replset high availability event
+ *
+ * @event ReplSet#ha
+ * @type {function}
+ * @param {string} type The stage in the high availability event (start|end)
+ * @param {boolean} data.norepeat This is a repeating high availability process or a single execution only
+ * @param {number} data.id The id for this high availability request
+ * @param {object} data.state An object containing the information about the current replicaset
+ */
+
+/**
+ * A server member left the replicaset
+ *
+ * @event ReplSet#left
+ * @type {function}
+ * @param {string} type The type of member that left (primary|secondary|arbiter)
+ * @param {Server} server The server object that left
+ */
+
+/**
+ * A server member joined the replicaset
+ *
+ * @event ReplSet#joined
+ * @type {function}
+ * @param {string} type The type of member that joined (primary|secondary|arbiter)
+ * @param {Server} server The server object that joined
+ */
+
+/**
+ * ReplSet open event, emitted when replicaset can start processing commands.
+ *
+ * @event ReplSet#open
+ * @type {Replset}
+ */
+
+/**
+ * ReplSet fullsetup event, emitted when all servers in the topology have been connected to.
+ *
+ * @event ReplSet#fullsetup
+ * @type {Replset}
+ */
+
+/**
+ * ReplSet close event
+ *
+ * @event ReplSet#close
+ * @type {object}
+ */
+
+/**
+ * ReplSet error event, emitted if there is an error listener.
+ *
+ * @event ReplSet#error
+ * @type {MongoError}
+ */
+
+/**
+ * ReplSet timeout event
+ *
+ * @event ReplSet#timeout
+ * @type {object}
+ */
+
+/**
+ * ReplSet parseError event
+ *
+ * @event ReplSet#parseError
+ * @type {object}
+ */
+
+module.exports = ReplSet;

node_modules/mongodb/lib/server.js

@@ -0,0 +1,442 @@
+"use strict";
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('util').inherits
+  , CServer = require('mongodb-core').Server
+  , Cursor = require('./cursor')
+  , AggregationCursor = require('./aggregation_cursor')
+  , CommandCursor = require('./command_cursor')
+  , f = require('util').format
+  , ServerCapabilities = require('./topology_base').ServerCapabilities
+  , Store = require('./topology_base').Store
+  , Define = require('./metadata')
+  , MongoError = require('mongodb-core').MongoError
+  , shallowClone = require('./utils').shallowClone;
+
+/**
+ * @fileOverview The **Server** class is a class that represents a single server topology and is
+ * used to construct connections.
+ *
+ * **Server Should not be used, use MongoClient.connect**
+ * @example
+ * var Db = require('mongodb').Db,
+ *   Server = require('mongodb').Server,
+ *   test = require('assert');
+ * // Connect using single Server
+ * var db = new Db('test', new Server('localhost', 27017););
+ * db.open(function(err, db) {
+ *   // Get an additional db
+ *   db.close();
+ * });
+ */
+
+/**
+ * Creates a new Server instance
+ * @class
+ * @deprecated
+ * @param {string} host The host for the server, can be either an IP4, IP6 or domain socket style host.
+ * @param {number} [port] The server port if IP4.
+ * @param {object} [options=null] Optional settings.
+ * @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
+ * @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
+ * @param {object} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
+ * @param {array} [options.sslCA=null] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslCert=null] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslKey=null] String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslPass=null] String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {object} [options.socketOptions=null] Socket options
+ * @param {boolean} [options.socketOptions.autoReconnect=false] Reconnect on error.
+ * @param {boolean} [options.socketOptions.noDelay=true] TCP Socket NoDelay option.
+ * @param {number} [options.socketOptions.keepAlive=0] TCP KeepAlive on the socket with a X ms delay before start.
+ * @param {number} [options.socketOptions.connectTimeoutMS=0] TCP Connection timeout setting
+ * @param {number} [options.socketOptions.socketTimeoutMS=0] TCP Socket timeout setting
+ * @param {number} [options.reconnectTries=30] Server attempt to reconnect #times
+ * @param {number} [options.reconnectInterval=1000] Server will wait # milliseconds between retries
+ * @fires Server#connect
+ * @fires Server#close
+ * @fires Server#error
+ * @fires Server#timeout
+ * @fires Server#parseError
+ * @fires Server#reconnect
+ * @return {Server} a Server instance.
+ */
+var Server = function(host, port, options) {
+  options = options || {};
+  if(!(this instanceof Server)) return new Server(host, port, options);
+  EventEmitter.call(this);
+  var self = this;
+
+  // Store option defaults
+  var storeOptions = {
+      force: false
+    , bufferMaxEntries: -1
+  }
+
+  // Shared global store
+  var store = options.store || new Store(self, storeOptions);
+
+  // Detect if we have a socket connection
+  if(host.indexOf('\/') != -1) {
+    if(port != null && typeof port == 'object') {
+      options = port;
+      port = null;
+    }
+  } else if(port == null) {
+    throw MongoError.create({message: 'port must be specified', driver:true});
+  }
+
+  // Clone options
+  var clonedOptions = shallowClone(options);
+  clonedOptions.host = host;
+  clonedOptions.port = port;
+
+  // Reconnect
+  var reconnect = typeof options.auto_reconnect == 'boolean' ? options.auto_reconnect : true;
+  reconnect = typeof options.autoReconnect == 'boolean' ? options.autoReconnect : reconnect;
+  var emitError = typeof options.emitError == 'boolean' ? options.emitError : true;
+  var poolSize = typeof options.poolSize == 'number' ? options.poolSize : 5;
+
+  // Socket options passed down
+  if(options.socketOptions) {
+    if(options.socketOptions.connectTimeoutMS) {
+      this.connectTimeoutMS = options.socketOptions.connectTimeoutMS;
+      clonedOptions.connectionTimeout = options.socketOptions.connectTimeoutMS;
+    }
+
+    if(options.socketOptions.socketTimeoutMS) {
+      clonedOptions.socketTimeout = options.socketOptions.socketTimeoutMS;
+    }
+
+    if(typeof options.socketOptions.keepAlive == 'number') {
+      clonedOptions.keepAliveInitialDelay = options.socketOptions.keepAlive;
+      clonedOptions.keepAlive = true;
+    }
+
+    if(typeof options.socketOptions.noDelay == 'boolean') {
+      clonedOptions.noDelay = options.socketOptions.noDelay;
+    }
+  }
+
+  // Add the cursor factory function
+  clonedOptions.cursorFactory = Cursor;
+  clonedOptions.reconnect = reconnect;
+  clonedOptions.emitError = emitError;
+  clonedOptions.size = poolSize;
+
+  // Translate the options
+  if(clonedOptions.sslCA) clonedOptions.ca = clonedOptions.sslCA;
+  if(typeof clonedOptions.sslValidate == 'boolean') clonedOptions.rejectUnauthorized = clonedOptions.sslValidate;
+  if(clonedOptions.sslKey) clonedOptions.key = clonedOptions.sslKey;
+  if(clonedOptions.sslCert) clonedOptions.cert = clonedOptions.sslCert;
+  if(clonedOptions.sslPass) clonedOptions.passphrase = clonedOptions.sslPass;
+
+  // Add the non connection store
+  clonedOptions.disconnectHandler = store;
+
+  // Create an instance of a server instance from mongodb-core
+  var server = new CServer(clonedOptions);
+  // Server capabilities
+  var sCapabilities = null;
+
+  // Define the internal properties
+  this.s = {
+    // Create an instance of a server instance from mongodb-core
+      server: server
+    // Server capabilities
+    , sCapabilities: null
+    // Cloned options
+    , clonedOptions: clonedOptions
+    // Reconnect
+    , reconnect: reconnect
+    // Emit error
+    , emitError: emitError
+    // Pool size
+    , poolSize: poolSize
+    // Store Options
+    , storeOptions: storeOptions
+    // Store
+    , store: store
+    // Host
+    , host: host
+    // Port
+    , port: port
+    // Options
+    , options: options
+  }
+
+  // BSON property
+  Object.defineProperty(this, 'bson', {
+    enumerable: true, get: function() {
+      return self.s.server.bson;
+    }
+  });
+
+  // Last ismaster
+  Object.defineProperty(this, 'isMasterDoc', {
+    enumerable:true, get: function() {
+      return self.s.server.lastIsMaster();
+    }
+  });
+
+  // Last ismaster
+  Object.defineProperty(this, 'poolSize', {
+    enumerable:true, get: function() { return self.s.server.connections().length; }
+  });
+
+  Object.defineProperty(this, 'autoReconnect', {
+    enumerable:true, get: function() { return self.s.reconnect; }
+  });
+
+  Object.defineProperty(this, 'host', {
+    enumerable:true, get: function() { return self.s.host; }
+  });
+
+  Object.defineProperty(this, 'port', {
+    enumerable:true, get: function() { return self.s.port; }
+  });
+}
+
+inherits(Server, EventEmitter);
+
+var define = Server.define = new Define('Server', Server, false);
+
+Server.prototype.parserType = function() {
+  return this.s.server.parserType();
+}
+
+define.classMethod('parserType', {callback: false, promise:false, returns: [String]});
+
+// Connect
+Server.prototype.connect = function(db, _options, callback) {
+  var self = this;
+  if('function' === typeof _options) callback = _options, _options = {};
+  if(_options == null) _options = {};
+  if(!('function' === typeof callback)) callback = null;
+  self.s.options = _options;
+
+  // Update bufferMaxEntries
+  self.s.storeOptions.bufferMaxEntries = db.bufferMaxEntries;
+
+  // Error handler
+  var connectErrorHandler = function(event) {
+    return function(err) {
+      // Remove all event handlers
+      var events = ['timeout', 'error', 'close'];
+      events.forEach(function(e) {
+        self.s.server.removeListener(e, connectHandlers[e]);
+      });
+
+      self.s.server.removeListener('connect', connectErrorHandler);
+
+      // Try to callback
+      try {
+        callback(err);
+      } catch(err) {
+        process.nextTick(function() { throw err; })
+      }
+    }
+  }
+
+  // Actual handler
+  var errorHandler = function(event) {
+    return function(err) {
+      if(event != 'error') {
+        self.emit(event, err);
+      }
+    }
+  }
+
+  // Error handler
+  var reconnectHandler = function(err) {
+    self.emit('reconnect', self);
+    self.s.store.execute();
+  }
+
+  // Destroy called on topology, perform cleanup
+  var destroyHandler = function() {
+    self.s.store.flush();
+  }
+
+  // Connect handler
+  var connectHandler = function() {
+    // Clear out all the current handlers left over
+    ["timeout", "error", "close"].forEach(function(e) {
+      self.s.server.removeAllListeners(e);
+    });
+
+    // Set up listeners
+    self.s.server.once('timeout', errorHandler('timeout'));
+    self.s.server.once('error', errorHandler('error'));
+    self.s.server.on('close', errorHandler('close'));
+    // Only called on destroy
+    self.s.server.once('destroy', destroyHandler);
+
+    // Emit open event
+    self.emit('open', null, self);
+
+    // Return correctly
+    try {
+      callback(null, self);
+    } catch(err) {
+      console.log(err.stack)
+      process.nextTick(function() { throw err; })
+    }
+  }
+
+  // Set up listeners
+  var connectHandlers = {
+    timeout: connectErrorHandler('timeout'),
+    error: connectErrorHandler('error'),
+    close: connectErrorHandler('close')
+  };
+
+  // Add the event handlers
+  self.s.server.once('timeout', connectHandlers.timeout);
+  self.s.server.once('error', connectHandlers.error);
+  self.s.server.once('close', connectHandlers.close);
+  self.s.server.once('connect', connectHandler);
+  // Reconnect server
+  self.s.server.on('reconnect', reconnectHandler);
+
+  // Start connection
+  self.s.server.connect(_options);
+}
+
+// Server capabilities
+Server.prototype.capabilities = function() {
+  if(this.s.sCapabilities) return this.s.sCapabilities;
+  if(this.s.server.lastIsMaster() == null) return null;
+  this.s.sCapabilities = new ServerCapabilities(this.s.server.lastIsMaster());
+  return this.s.sCapabilities;
+}
+
+define.classMethod('capabilities', {callback: false, promise:false, returns: [ServerCapabilities]});
+
+// Command
+Server.prototype.command = function(ns, cmd, options, callback) {
+  this.s.server.command(ns, cmd, options, callback);
+}
+
+define.classMethod('command', {callback: true, promise:false});
+
+// Insert
+Server.prototype.insert = function(ns, ops, options, callback) {
+  this.s.server.insert(ns, ops, options, callback);
+}
+
+define.classMethod('insert', {callback: true, promise:false});
+
+// Update
+Server.prototype.update = function(ns, ops, options, callback) {
+  this.s.server.update(ns, ops, options, callback);
+}
+
+define.classMethod('update', {callback: true, promise:false});
+
+// Remove
+Server.prototype.remove = function(ns, ops, options, callback) {
+  this.s.server.remove(ns, ops, options, callback);
+}
+
+define.classMethod('remove', {callback: true, promise:false});
+
+// IsConnected
+Server.prototype.isConnected = function() {
+  return this.s.server.isConnected();
+}
+
+Server.prototype.isDestroyed = function() {
+  return this.s.server.isDestroyed(); 
+}
+
+define.classMethod('isConnected', {callback: false, promise:false, returns: [Boolean]});
+
+// Insert
+Server.prototype.cursor = function(ns, cmd, options) {
+  options.disconnectHandler = this.s.store;
+  return this.s.server.cursor(ns, cmd, options);
+}
+
+define.classMethod('cursor', {callback: false, promise:false, returns: [Cursor, AggregationCursor, CommandCursor]});
+
+Server.prototype.setBSONParserType = function(type) {
+  return this.s.server.setBSONParserType(type);
+}
+
+Server.prototype.lastIsMaster = function() {
+  return this.s.server.lastIsMaster();
+}
+
+Server.prototype.close = function(forceClosed) {
+  this.s.server.destroy();
+  // We need to wash out all stored processes
+  if(forceClosed == true) {
+    this.s.storeOptions.force = forceClosed;
+    this.s.store.flush();
+  }
+}
+
+define.classMethod('close', {callback: false, promise:false});
+
+Server.prototype.auth = function() {
+  var args = Array.prototype.slice.call(arguments, 0);
+  this.s.server.auth.apply(this.s.server, args);
+}
+
+define.classMethod('auth', {callback: true, promise:false});
+
+/**
+ * All raw connections
+ * @method
+ * @return {array}
+ */
+Server.prototype.connections = function() {
+  return this.s.server.connections();
+}
+
+define.classMethod('connections', {callback: false, promise:false, returns:[Array]});
+
+/**
+ * Server connect event
+ *
+ * @event Server#connect
+ * @type {object}
+ */
+
+/**
+ * Server close event
+ *
+ * @event Server#close
+ * @type {object}
+ */
+
+/**
+ * Server reconnect event
+ *
+ * @event Server#reconnect
+ * @type {object}
+ */
+
+/**
+ * Server error event
+ *
+ * @event Server#error
+ * @type {MongoError}
+ */
+
+/**
+ * Server timeout event
+ *
+ * @event Server#timeout
+ * @type {object}
+ */
+
+/**
+ * Server parseError event
+ *
+ * @event Server#parseError
+ * @type {object}
+ */
+
+module.exports = Server;

node_modules/mongodb/lib/topology_base.js

@@ -0,0 +1,152 @@
+"use strict";
+
+var MongoError = require('mongodb-core').MongoError
+  , f = require('util').format;
+
+// The store of ops
+var Store = function(topology, storeOptions) {
+  var self = this;
+  var storedOps = [];
+  storeOptions = storeOptions || {force:false, bufferMaxEntries: -1}
+
+  // Internal state
+  this.s = {
+      storedOps: storedOps
+    , storeOptions: storeOptions
+    , topology: topology
+  }
+
+  Object.defineProperty(this, 'length', {
+    enumerable:true, get: function() { return self.s.storedOps.length; }
+  });
+}
+
+Store.prototype.add = function(opType, ns, ops, options, callback) {
+  if(this.s.storeOptions.force) {
+    return callback(MongoError.create({message: "db closed by application", driver:true}));
+  }
+
+  if(this.s.storeOptions.bufferMaxEntries == 0) {
+    return callback(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
+  }
+
+  if(this.s.storeOptions.bufferMaxEntries > 0 && this.s.storedOps.length > this.s.storeOptions.bufferMaxEntries) {
+    while(this.s.storedOps.length > 0) {
+      var op = this.s.storedOps.shift();
+      op.c(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
+    }
+
+    return;
+  }
+
+  this.s.storedOps.push({t: opType, n: ns, o: ops, op: options, c: callback})
+}
+
+Store.prototype.addObjectAndMethod = function(opType, object, method, params, callback) {
+  if(this.s.storeOptions.force) {
+    return callback(MongoError.create({message: "db closed by application", driver:true }));
+  }
+
+  if(this.s.storeOptions.bufferMaxEntries == 0) {
+    return callback(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
+  }
+
+  if(this.s.storeOptions.bufferMaxEntries > 0 && this.s.storedOps.length > this.s.storeOptions.bufferMaxEntries) {
+    while(this.s.storedOps.length > 0) {
+      var op = this.s.storedOps.shift();
+      op.c(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
+    }
+
+    return;
+  }
+
+  this.s.storedOps.push({t: opType, m: method, o: object, p: params, c: callback})
+}
+
+Store.prototype.flush = function() {
+  while(this.s.storedOps.length > 0) {
+    this.s.storedOps.shift().c(MongoError.create({message: f("no connection available for operation"), driver:true }));
+  }
+}
+
+Store.prototype.execute = function() {
+  // Get current ops
+  var ops = this.s.storedOps;
+  // Reset the ops
+  this.s.storedOps = [];
+
+  // Execute all the stored ops
+  while(ops.length > 0) {
+    var op = ops.shift();
+
+    if(op.t == 'cursor') {
+      op.o[op.m].apply(op.o, op.p);
+    } else {
+      this.s.topology[op.t](op.n, op.o, op.op, op.c);
+    }
+  }
+}
+
+Store.prototype.all = function() {
+  return this.s.storedOps;
+}
+
+// Server capabilities
+var ServerCapabilities = function(ismaster) {
+  var setup_get_property = function(object, name, value) {
+    Object.defineProperty(object, name, {
+        enumerable: true
+      , get: function () { return value; }
+    });
+  }
+
+  // Capabilities
+  var aggregationCursor = false;
+  var writeCommands = false;
+  var textSearch = false;
+  var authCommands = false;
+  var listCollections = false;
+  var listIndexes = false;
+  var maxNumberOfDocsInBatch = ismaster.maxWriteBatchSize || 1000;
+
+  if(ismaster.minWireVersion >= 0) {
+    textSearch = true;
+  }
+
+  if(ismaster.maxWireVersion >= 1) {
+    aggregationCursor = true;
+    authCommands = true;
+  }
+
+  if(ismaster.maxWireVersion >= 2) {
+    writeCommands = true;
+  }
+
+  if(ismaster.maxWireVersion >= 3) {
+    listCollections = true;
+    listIndexes = true;
+  }
+
+  // If no min or max wire version set to 0
+  if(ismaster.minWireVersion == null) {
+    ismaster.minWireVersion = 0;
+  }
+
+  if(ismaster.maxWireVersion == null) {
+    ismaster.maxWireVersion = 0;
+  }
+
+  // Map up read only parameters
+  setup_get_property(this, "hasAggregationCursor", aggregationCursor);
+  setup_get_property(this, "hasWriteCommands", writeCommands);
+  setup_get_property(this, "hasTextSearch", textSearch);
+  setup_get_property(this, "hasAuthCommands", authCommands);
+  setup_get_property(this, "hasListCollectionsCommand", listCollections);
+  setup_get_property(this, "hasListIndexesCommand", listIndexes);
+  setup_get_property(this, "minWireVersion", ismaster.minWireVersion);
+  setup_get_property(this, "maxWireVersion", ismaster.maxWireVersion);
+  setup_get_property(this, "maxNumberOfDocsInBatch", maxNumberOfDocsInBatch);
+}
+
+exports.Store = Store;
+exports.ServerCapabilities = ServerCapabilities;

node_modules/mongodb/lib/url_parser.js

@@ -0,0 +1,379 @@
+"use strict";
+
+var ReadPreference = require('./read_preference'),
+  parser = require('url'),
+  f = require('util').format;
+
+module.exports = function(url, options) {
+  // Ensure we have a default options object if none set
+  options = options || {};
+  // Variables
+  var connection_part = '';
+  var auth_part = '';
+  var query_string_part = '';
+  var dbName = 'admin';
+
+  // Url parser result
+  var result = parser.parse(url, true);
+
+  if(result.protocol != 'mongodb:') {
+    throw new Error('invalid schema, expected mongodb');
+  }
+
+  if((result.hostname == null || result.hostname == '') && url.indexOf('.sock') == -1) {
+    throw new Error('no hostname or hostnames provided in connection string');
+  }
+
+  if(result.port == '0') {
+    throw new Error('invalid port (zero) with hostname');
+  }
+
+  if(!isNaN(parseInt(result.port, 10)) && parseInt(result.port, 10) > 65535) {
+    throw new Error('invalid port (larger than 65535) with hostname');
+  }
+
+  if(result.path
+    && result.path.length > 0
+    && result.path[0] != '/'
+    && url.indexOf('.sock') == -1) {
+    throw new Error('missing delimiting slash between hosts and options');
+  }
+
+  if(result.query) {
+    for(var name in result.query) {
+      if(name.indexOf(':') != -1) {
+        throw new Error('double colon in host identifier');
+      }
+
+      if(result.query[name] == '') {
+        throw new Error('query parameter ' + name + ' is an incomplete value pair');
+      }
+    }
+  }
+
+  if(result.auth) {
+    var parts = result.auth.split(':');
+    if(url.indexOf(result.auth) != -1 && parts.length > 2) {
+      throw new Error('Username with password containing an unescaped colon');
+    }
+
+    if(url.indexOf(result.auth) != -1 && result.auth.indexOf('@') != -1) {
+      throw new Error('Username containing an unescaped at-sign');
+    }
+  }
+
+  // Remove query
+  var clean = url.split('?').shift();
+
+  // Extract the list of hosts
+  var strings = clean.split(',');
+  var hosts = [];
+
+  for(var i = 0; i < strings.length; i++) {
+    var hostString = strings[i];
+
+    if(hostString.indexOf('mongodb') != -1) {
+      if(hostString.indexOf('@') != -1) {
+        hosts.push(hostString.split('@').pop())
+      } else {
+        hosts.push(hostString.substr('mongodb://'.length));
+      }
+    } else if(hostString.indexOf('/') != -1) {
+      hosts.push(hostString.split('/').shift());
+    } else if(hostString.indexOf('/') == -1) {
+      hosts.push(hostString.trim());
+    }
+  }
+
+  for(var i = 0; i < hosts.length; i++) {
+    var r = parser.parse(f('mongodb://%s', hosts[i].trim()));
+    if(r.path && r.path.indexOf(':') != -1) {
+      throw new Error('double colon in host identifier');
+    }
+  }
+
+  // If we have a ? mark cut the query elements off
+  if(url.indexOf("?") != -1) {
+    query_string_part = url.substr(url.indexOf("?") + 1);
+    connection_part = url.substring("mongodb://".length, url.indexOf("?"))
+  } else {
+    connection_part = url.substring("mongodb://".length);
+  }
+
+  // Check if we have auth params
+  if(connection_part.indexOf("@") != -1) {
+    auth_part = connection_part.split("@")[0];
+    connection_part = connection_part.split("@")[1];
+  }
+
+  // Check if the connection string has a db
+  if(connection_part.indexOf(".sock") != -1) {
+    if(connection_part.indexOf(".sock/") != -1) {
+      dbName = connection_part.split(".sock/")[1];
+      connection_part = connection_part.split("/", connection_part.indexOf(".sock") + ".sock".length);
+    }
+  } else if(connection_part.indexOf("/") != -1) {
+    dbName = connection_part.split("/")[1];
+    connection_part = connection_part.split("/")[0];
+  }
+
+  // Result object
+  var object = {};
+
+  // Pick apart the authentication part of the string
+  var authPart = auth_part || '';
+  var auth = authPart.split(':', 2);
+
+  // Decode the URI components
+  auth[0] = decodeURIComponent(auth[0]);
+  if(auth[1]){
+    auth[1] = decodeURIComponent(auth[1]);
+  }
+
+  // Add auth to final object if we have 2 elements
+  if(auth.length == 2) object.auth = {user: auth[0], password: auth[1]};
+
+  // Variables used for temporary storage
+  var hostPart;
+  var urlOptions;
+  var servers;
+  var serverOptions = {socketOptions: {}};
+  var dbOptions = {read_preference_tags: []};
+  var replSetServersOptions = {socketOptions: {}};
+  // Add server options to final object
+  object.server_options = serverOptions;
+  object.db_options = dbOptions;
+  object.rs_options = replSetServersOptions;
+  object.mongos_options = {};
+
+  // Let's check if we are using a domain socket
+  if(url.match(/\.sock/)) {
+    // Split out the socket part
+    var domainSocket = url.substring(
+        url.indexOf("mongodb://") + "mongodb://".length
+      , url.lastIndexOf(".sock") + ".sock".length);
+    // Clean out any auth stuff if any
+    if(domainSocket.indexOf("@") != -1) domainSocket = domainSocket.split("@")[1];
+    servers = [{domain_socket: domainSocket}];
+  } else {
+    // Split up the db
+    hostPart = connection_part;
+    // Deduplicate servers
+    var deduplicatedServers = {};
+
+    // Parse all server results
+    servers = hostPart.split(',').map(function(h) {
+      var _host, _port, ipv6match;
+      //check if it matches [IPv6]:port, where the port number is optional
+      if ((ipv6match = /\[([^\]]+)\](?:\:(.+))?/.exec(h))) {
+        _host = ipv6match[1];
+        _port = parseInt(ipv6match[2], 10) || 27017;
+      } else {
+        //otherwise assume it's IPv4, or plain hostname
+        var hostPort = h.split(':', 2);
+        _host = hostPort[0] || 'localhost';
+        _port = hostPort[1] != null ? parseInt(hostPort[1], 10) : 27017;
+        // Check for localhost?safe=true style case
+        if(_host.indexOf("?") != -1) _host = _host.split(/\?/)[0];
+      }
+
+      // No entry returned for duplicate servr
+      if(deduplicatedServers[_host + "_" + _port]) return null;
+      deduplicatedServers[_host + "_" + _port] = 1;
+
+      // Return the mapped object
+      return {host: _host, port: _port};
+    }).filter(function(x) {
+      return x != null;
+    });
+  }
+
+  // Get the db name
+  object.dbName = dbName || 'admin';
+  // Split up all the options
+  urlOptions = (query_string_part || '').split(/[&;]/);
+  // Ugh, we have to figure out which options go to which constructor manually.
+  urlOptions.forEach(function(opt) {
+    if(!opt) return;
+    var splitOpt = opt.split('='), name = splitOpt[0], value = splitOpt[1];
+    // Options implementations
+    switch(name) {
+      case 'slaveOk':
+      case 'slave_ok':
+        serverOptions.slave_ok = (value == 'true');
+        dbOptions.slaveOk = (value == 'true');
+        break;
+      case 'maxPoolSize':
+      case 'poolSize':
+        serverOptions.poolSize = parseInt(value, 10);
+        replSetServersOptions.poolSize = parseInt(value, 10);
+        break;
+      case 'autoReconnect':
+      case 'auto_reconnect':
+        serverOptions.auto_reconnect = (value == 'true');
+        break;
+      case 'minPoolSize':
+        throw new Error("minPoolSize not supported");
+      case 'maxIdleTimeMS':
+        throw new Error("maxIdleTimeMS not supported");
+      case 'waitQueueMultiple':
+        throw new Error("waitQueueMultiple not supported");
+      case 'waitQueueTimeoutMS':
+        throw new Error("waitQueueTimeoutMS not supported");
+      case 'uuidRepresentation':
+        throw new Error("uuidRepresentation not supported");
+      case 'ssl':
+        if(value == 'prefer') {
+          serverOptions.ssl = value;
+          replSetServersOptions.ssl = value;
+          break;
+        }
+        serverOptions.ssl = (value == 'true');
+        replSetServersOptions.ssl = (value == 'true');
+        break;
+      case 'sslValidate':
+        serverOptions.sslValidate = (value == 'true');
+        replSetServerOptions.sslValidate = (value == 'true');
+        break;
+      case 'replicaSet':
+      case 'rs_name':
+        replSetServersOptions.rs_name = value;
+        break;
+      case 'reconnectWait':
+        replSetServersOptions.reconnectWait = parseInt(value, 10);
+        break;
+      case 'retries':
+        replSetServersOptions.retries = parseInt(value, 10);
+        break;
+      case 'readSecondary':
+      case 'read_secondary':
+        replSetServersOptions.read_secondary = (value == 'true');
+        break;
+      case 'fsync':
+        dbOptions.fsync = (value == 'true');
+        break;
+      case 'journal':
+        dbOptions.j = (value == 'true');
+        break;
+      case 'safe':
+        dbOptions.safe = (value == 'true');
+        break;
+      case 'nativeParser':
+      case 'native_parser':
+        dbOptions.native_parser = (value == 'true');
+        break;
+      case 'readConcernLevel':
+        dbOptions.readConcern = {level: value};
+        break;
+      case 'connectTimeoutMS':
+        serverOptions.socketOptions.connectTimeoutMS = parseInt(value, 10);
+        replSetServersOptions.socketOptions.connectTimeoutMS = parseInt(value, 10);
+        break;
+      case 'socketTimeoutMS':
+        serverOptions.socketOptions.socketTimeoutMS = parseInt(value, 10);
+        replSetServersOptions.socketOptions.socketTimeoutMS = parseInt(value, 10);
+        break;
+      case 'w':
+        dbOptions.w = parseInt(value, 10);
+        if(isNaN(dbOptions.w)) dbOptions.w = value;
+        break;
+      case 'authSource':
+        dbOptions.authSource = value;
+        break;
+      case 'gssapiServiceName':
+        dbOptions.gssapiServiceName = value;
+        break;
+      case 'authMechanism':
+        if(value == 'GSSAPI') {
+          // If no password provided decode only the principal
+          if(object.auth == null) {
+            var urlDecodeAuthPart = decodeURIComponent(authPart);
+            if(urlDecodeAuthPart.indexOf("@") == -1) throw new Error("GSSAPI requires a provided principal");
+            object.auth = {user: urlDecodeAuthPart, password: null};
+          } else {
+            object.auth.user = decodeURIComponent(object.auth.user);
+          }
+        } else if(value == 'MONGODB-X509') {
+          object.auth = {user: decodeURIComponent(authPart)};
+        }
+
+        // Only support GSSAPI or MONGODB-CR for now
+        if(value != 'GSSAPI'
+          && value != 'MONGODB-X509'
+          && value != 'MONGODB-CR'
+          && value != 'DEFAULT'
+          && value != 'SCRAM-SHA-1'
+          && value != 'PLAIN')
+            throw new Error("only DEFAULT, GSSAPI, PLAIN, MONGODB-X509, SCRAM-SHA-1 or MONGODB-CR is supported by authMechanism");
+
+        // Authentication mechanism
+        dbOptions.authMechanism = value;
+        break;
+      case 'authMechanismProperties':
+        // Split up into key, value pairs
+        var values = value.split(',');
+        var o = {};
+        // For each value split into key, value
+        values.forEach(function(x) {
+          var v = x.split(':');
+          o[v[0]] = v[1];
+        });
+
+        // Set all authMechanismProperties
+        dbOptions.authMechanismProperties = o;
+        // Set the service name value
+        if(typeof o.SERVICE_NAME == 'string') dbOptions.gssapiServiceName = o.SERVICE_NAME;
+        break;
+      case 'wtimeoutMS':
+        dbOptions.wtimeout = parseInt(value, 10);
+        break;
+      case 'readPreference':
+        if(!ReadPreference.isValid(value)) throw new Error("readPreference must be either primary/primaryPreferred/secondary/secondaryPreferred/nearest");
+        dbOptions.readPreference = value;
+        break;
+      case 'readPreferenceTags':
+        // Decode the value
+        value = decodeURIComponent(value);
+        // Contains the tag object
+        var tagObject = {};
+        if(value == null || value == '') {
+          dbOptions.read_preference_tags.push(tagObject);
+          break;
+        }
+
+        // Split up the tags
+        var tags = value.split(/\,/);
+        for(var i = 0; i < tags.length; i++) {
+          var parts = tags[i].trim().split(/\:/);
+          tagObject[parts[0]] = parts[1];
+        }
+
+        // Set the preferences tags
+        dbOptions.read_preference_tags.push(tagObject);
+        break;
+      default:
+        break;
+    }
+  });
+
+  // No tags: should be null (not [])
+  if(dbOptions.read_preference_tags.length === 0) {
+    dbOptions.read_preference_tags = null;
+  }
+
+  // Validate if there are an invalid write concern combinations
+  if((dbOptions.w == -1 || dbOptions.w == 0) && (
+      dbOptions.journal == true
+      || dbOptions.fsync == true
+      || dbOptions.safe == true)) throw new Error("w set to -1 or 0 cannot be combined with safe/w/journal/fsync")
+
+  // If no read preference set it to primary
+  if(!dbOptions.readPreference) {
+    dbOptions.readPreference = 'primary';
+  }
+
+  // Add servers to result
+  object.servers = servers;
+  // Returned parsed object
+  return object;
+}

node_modules/mongodb/lib/utils.js

@@ -0,0 +1,234 @@
+"use strict";
+
+var MongoError = require('mongodb-core').MongoError,
+  f = require('util').format;
+
+var shallowClone = function(obj) {
+  var copy = {};
+  for(var name in obj) copy[name] = obj[name];
+  return copy;
+}
+
+// Set simple property
+var getSingleProperty = function(obj, name, value) {
+  Object.defineProperty(obj, name, {
+    enumerable:true,
+    get: function() {
+      return value
+    }
+  });
+}
+
+var formatSortValue = exports.formatSortValue = function(sortDirection) {
+  var value = ("" + sortDirection).toLowerCase();
+
+  switch (value) {
+    case 'ascending':
+    case 'asc':
+    case '1':
+      return 1;
+    case 'descending':
+    case 'desc':
+    case '-1':
+      return -1;
+    default:
+      throw new Error("Illegal sort clause, must be of the form "
+                    + "[['field1', '(ascending|descending)'], "
+                    + "['field2', '(ascending|descending)']]");
+  }
+};
+
+var formattedOrderClause = exports.formattedOrderClause = function(sortValue) {
+  var orderBy = {};
+  if(sortValue == null) return null;
+  if (Array.isArray(sortValue)) {
+    if(sortValue.length === 0) {
+      return null;
+    }
+
+    for(var i = 0; i < sortValue.length; i++) {
+      if(sortValue[i].constructor == String) {
+        orderBy[sortValue[i]] = 1;
+      } else {
+        orderBy[sortValue[i][0]] = formatSortValue(sortValue[i][1]);
+      }
+    }
+  } else if(sortValue != null && typeof sortValue == 'object') {
+    orderBy = sortValue;
+  } else if (typeof sortValue == 'string') {
+    orderBy[sortValue] = 1;
+  } else {
+    throw new Error("Illegal sort clause, must be of the form " +
+      "[['field1', '(ascending|descending)'], ['field2', '(ascending|descending)']]");
+  }
+
+  return orderBy;
+};
+
+var checkCollectionName = function checkCollectionName (collectionName) {
+  if('string' !== typeof collectionName) {
+    throw Error("collection name must be a String");
+  }
+
+  if(!collectionName || collectionName.indexOf('..') != -1) {
+    throw Error("collection names cannot be empty");
+  }
+
+  if(collectionName.indexOf('$') != -1 &&
+      collectionName.match(/((^\$cmd)|(oplog\.\$main))/) == null) {
+    throw Error("collection names must not contain '$'");
+  }
+
+  if(collectionName.match(/^\.|\.$/) != null) {
+    throw Error("collection names must not start or end with '.'");
+  }
+
+  // Validate that we are not passing 0x00 in the colletion name
+  if(!!~collectionName.indexOf("\x00")) {
+    throw new Error("collection names cannot contain a null character");
+  }
+};
+
+var handleCallback = function(callback, err, value1, value2) {
+  try {
+    if(callback == null) return;
+    if(value2) return callback(err, value1, value2);
+    return callback(err, value1);
+  } catch(err) {
+    process.nextTick(function() { throw err; });
+    return false;
+  }
+
+  return true;
+}
+
+/**
+ * Wrap a Mongo error document in an Error instance
+ * @ignore
+ * @api private
+ */
+var toError = function(error) {
+  if (error instanceof Error) return error;
+
+  var msg = error.err || error.errmsg || error.errMessage || error;
+  var e = MongoError.create({message: msg, driver:true});
+
+  // Get all object keys
+  var keys = typeof error == 'object'
+    ? Object.keys(error)
+    : [];
+
+  for(var i = 0; i < keys.length; i++) {
+    e[keys[i]] = error[keys[i]];
+  }
+
+  return e;
+}
+
+/**
+ * @ignore
+ */
+var normalizeHintField = function normalizeHintField(hint) {
+  var finalHint = null;
+
+  if(typeof hint == 'string') {
+    finalHint = hint;
+  } else if(Array.isArray(hint)) {
+    finalHint = {};
+
+    hint.forEach(function(param) {
+      finalHint[param] = 1;
+    });
+  } else if(hint != null && typeof hint == 'object') {
+    finalHint = {};
+    for (var name in hint) {
+      finalHint[name] = hint[name];
+    }
+  }
+
+  return finalHint;
+};
+
+/**
+ * Create index name based on field spec
+ *
+ * @ignore
+ * @api private
+ */
+var parseIndexOptions = function(fieldOrSpec) {
+  var fieldHash = {};
+  var indexes = [];
+  var keys;
+
+  // Get all the fields accordingly
+  if('string' == typeof fieldOrSpec) {
+    // 'type'
+    indexes.push(fieldOrSpec + '_' + 1);
+    fieldHash[fieldOrSpec] = 1;
+  } else if(Array.isArray(fieldOrSpec)) {
+    fieldOrSpec.forEach(function(f) {
+      if('string' == typeof f) {
+        // [{location:'2d'}, 'type']
+        indexes.push(f + '_' + 1);
+        fieldHash[f] = 1;
+      } else if(Array.isArray(f)) {
+        // [['location', '2d'],['type', 1]]
+        indexes.push(f[0] + '_' + (f[1] || 1));
+        fieldHash[f[0]] = f[1] || 1;
+      } else if(isObject(f)) {
+        // [{location:'2d'}, {type:1}]
+        keys = Object.keys(f);
+        keys.forEach(function(k) {
+          indexes.push(k + '_' + f[k]);
+          fieldHash[k] = f[k];
+        });
+      } else {
+        // undefined (ignore)
+      }
+    });
+  } else if(isObject(fieldOrSpec)) {
+    // {location:'2d', type:1}
+    keys = Object.keys(fieldOrSpec);
+    keys.forEach(function(key) {
+      indexes.push(key + '_' + fieldOrSpec[key]);
+      fieldHash[key] = fieldOrSpec[key];
+    });
+  }
+
+  return {
+    name: indexes.join("_"), keys: keys, fieldHash: fieldHash
+  }
+}
+
+var isObject = exports.isObject = function (arg) {
+  return '[object Object]' == toString.call(arg)
+}
+
+var debugOptions = function(debugFields, options) {
+  var finaloptions = {};
+  debugFields.forEach(function(n) {
+    finaloptions[n] = options[n];
+  });
+
+  return finaloptions;
+}
+
+var decorateCommand = function(command, options, exclude) {
+  for(var name in options) {
+    if(exclude[name] == null) command[name] = options[name];
+  }
+
+  return command;
+}
+
+exports.shallowClone = shallowClone;
+exports.getSingleProperty = getSingleProperty;
+exports.checkCollectionName = checkCollectionName;
+exports.toError = toError;
+exports.formattedOrderClause = formattedOrderClause;
+exports.parseIndexOptions = parseIndexOptions;
+exports.normalizeHintField = normalizeHintField;
+exports.handleCallback = handleCallback;
+exports.decorateCommand = decorateCommand;
+exports.isObject = isObject;
+exports.debugOptions = debugOptions;