Started on node.js+socket.io+mongoDB on the backend for more responsivnes

server/node_modules/mongodb/lib/admin.js

@@ -0,0 +1,347 @@
+"use strict";
+
+var toError = require('./utils').toError;
+
+/**
+ * @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) {
+  if(!(this instanceof Admin)) return new Admin(db, topology);
+  var self = this;
+
+  // Internal state
+  this.s = {
+      db: db
+    , topology: topology
+  }
+}
+
+/**
+ * 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 {null}
+ */
+Admin.prototype.command = function(command, options, callback) {
+  var args = Array.prototype.slice.call(arguments, 1);
+  callback = args.pop();
+  options = args.length ? args.shift() : {};
+
+  // Execute a command
+  this.s.db.executeDbAdminCommand(command, options, function(err, doc) {
+    return callback != null ? callback(err, doc) : null;
+  });
+} 
+
+/**
+ * Retrieve the server information for the current
+ * instance of the db client
+ *
+ * @param {Admin~resultCallback} callback The command result callback
+ * @return {null}
+ */
+Admin.prototype.buildInfo = function(callback) {
+  this.serverInfo(callback);
+}
+
+/**
+ * Retrieve the server information for the current
+ * instance of the db client
+ *
+ * @param {Admin~resultCallback} callback The command result callback
+ * @return {null}
+ */
+Admin.prototype.serverInfo = function(callback) {
+  this.s.db.executeDbAdminCommand({buildinfo:1}, function(err, doc) {
+    if(err != null) return callback(err, null);
+    return callback(null, doc);
+  });
+}
+
+/**
+ * Retrieve this db's server status.
+ *
+ * @param {Admin~resultCallback} callback The command result callback
+ * @return {null}
+ */
+Admin.prototype.serverStatus = function(callback) {
+  var self = this;
+
+  this.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);
+    }
+  });
+};
+
+/**
+ * Retrieve the current profiling Level for MongoDB
+ *
+ * @param {Admin~resultCallback} callback The command result callback
+ * @return {null}
+ */
+Admin.prototype.profilingLevel = function(callback) {
+  var self = this;
+
+  this.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);
+    }
+  });
+};
+
+/**
+ * Ping the MongoDB server and retrieve results
+ *
+ * @param {Admin~resultCallback} callback The command result callback
+ * @return {null}
+ */
+Admin.prototype.ping = function(options, callback) {
+  var args = Array.prototype.slice.call(arguments, 0);
+  this.s.db.executeDbAdminCommand({ping: 1}, args.pop());
+}
+
+/**
+ * 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 {null}
+ */
+Admin.prototype.authenticate = function(username, password, callback) {
+  this.s.db.authenticate(username, password, {authdb: 'admin'}, function(err, doc) {
+    return callback(err, doc);
+  })
+}
+
+/**
+ * Logout user from server, fire off on all connections and remove all auth info
+ * @method
+ * @param {Admin~resultCallback} callback The command result callback
+ * @return {null}
+ */
+Admin.prototype.logout = function(callback) {
+  this.s.db.logout({authdb: 'admin'},  function(err, doc) {
+    return callback(err, doc);
+  })
+}
+
+/**
+ * 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 {null}
+ */
+Admin.prototype.addUser = function(username, password, options, callback) {
+  var args = Array.prototype.slice.call(arguments, 2);
+  callback = args.pop();
+  options = args.length ? args.shift() : {};
+  // Set the db name to admin
+  options.dbName = 'admin';
+  // Add user
+  this.s.db.addUser(username, password, options, function(err, doc) {
+    return callback(err, doc);
+  })
+}
+
+/**
+ * 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 {null}
+ */
+Admin.prototype.removeUser = function(username, options, callback) {
+  var self = this;
+  var args = Array.prototype.slice.call(arguments, 1);
+  callback = args.pop();
+  options = args.length ? args.shift() : {};
+  options.dbName = 'admin';
+
+  this.s.db.removeUser(username, options, function(err, doc) {
+    return callback(err, doc);
+  })
+}
+
+/**
+ * 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 {null}
+ */
+Admin.prototype.setProfilingLevel = function(level, callback) {
+  var self = this;
+  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;
+
+  this.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);
+  });
+};
+
+/**
+ * Retrive the current profiling information for MongoDB
+ *
+ * @param {Admin~resultCallback} callback The command result callback.
+ * @return {null}
+ */
+Admin.prototype.profilingInfo = function(callback) {
+  try {
+    this.s.topology.cursor("admin.system.profile", { find: 'system.profile', query: {}}, {}).toArray(callback);
+  } catch (err) {
+    return callback(err, null);
+  }
+};
+
+/**
+ * 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 {null}
+ */
+Admin.prototype.validateCollection = function(collectionName, options, callback) {
+  var args = Array.prototype.slice.call(arguments, 1);
+  callback = args.pop();
+  options = args.length ? args.shift() : {};
+
+  var self = this;
+  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]];
+    }
+  }
+
+  this.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);
+  });
+};
+
+/**
+ * List the available databases
+ *
+ * @param {Admin~resultCallback} callback The command result callback.
+ * @return {null}
+ */
+Admin.prototype.listDatabases = function(callback) {
+  this.s.db.executeDbAdminCommand({listDatabases:1}, {}, function(err, doc) {
+    if(err != null) return callback(err, null);
+    return callback(null, doc);
+  });
+}
+
+/**
+ * Get ReplicaSet status
+ *
+ * @param {Admin~resultCallback} callback The command result callback.
+ * @return {null}
+ */
+Admin.prototype.replSetGetStatus = function(callback) {
+  var self = this;
+
+  this.s.db.executeDbAdminCommand({replSetGetStatus:1}, function(err, doc) {
+    if(err == null && doc.ok === 1)
+      return callback(null, doc);
+    if(err) return callback(err, false);
+    return callback(toError(doc), false);
+  });
+}; 
+
+module.exports = Admin;

server/node_modules/mongodb/lib/aggregation_cursor.js

@@ -0,0 +1,397 @@
+"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
+  // , CoreCursor = require('mongodb-core').Cursor
+  , 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
+ * @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;
+
+  // 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
+  }
+}
+
+/**
+ * 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}
+ */
+
+// // Extend the Cursor
+// inherits(AggregationCursor, CoreCursor);
+
+// Inherit from Readable
+inherits(AggregationCursor, Readable);  
+
+// Extend the Cursor
+for(var name in CoreCursor.prototype) {
+  AggregationCursor.prototype[name] = CoreCursor.prototype[name];
+}
+
+/**
+ * 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 new MongoError("Cursor is closed");
+  if(typeof value != 'number') throw new MongoError("batchSize requires an integer");
+  if(this.s.cmd.cursor) this.s.cmd.cursor.batchSize = value;
+  this.setCursorBatchSize(value);
+  return this;
+}
+
+/**
+ * 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({$geoNear: document});
+  return this;
+}
+
+/**
+ * Add a group stage to the aggregation pipeline
+ * @method
+ * @param {object} document The group stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.group = function(document) {
+  this.s.cmd.pipeline.push({$group: document});
+  return this;
+}
+
+/**
+ * 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({$limit: value});
+  return this;
+}
+
+/**
+ * Add a match stage to the aggregation pipeline
+ * @method
+ * @param {object} document The match stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.match = function(document) {
+  this.s.cmd.pipeline.push({$match: document});
+  return this;
+}
+
+/**
+ * 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;
+}
+
+/**
+ * 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({$out: destination});
+  return this;
+}
+
+/**
+ * Add a project stage to the aggregation pipeline
+ * @method
+ * @param {object} document The project stage document.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.project = function(document) {
+  this.s.cmd.pipeline.push({$project: document});
+  return this;
+}
+
+/**
+ * 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({$redact: document});
+  return this;
+}
+
+/**
+ * Add a skip stage to the aggregation pipeline
+ * @method
+ * @param {number} value The state skip value.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.skip = function(value) {
+  this.s.cmd.pipeline.push({$skip: value});
+  return this;
+}
+
+/**
+ * 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({$sort: document});
+  return this;
+}
+
+/**
+ * Add a unwind stage to the aggregation pipeline
+ * @method
+ * @param {number} field The unwind field name.
+ * @return {AggregationCursor}
+ */
+AggregationCursor.prototype.unwind = function(field) {
+  this.s.cmd.pipeline.push({$unwind: field});
+  return this;
+}
+
+AggregationCursor.prototype.get = AggregationCursor.prototype.toArray;
+
+/**
+ * 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 {null}
+ */
+
+/**
+ * Set the new batchSize of the cursor
+ * @function AggregationCursor.prototype.setBatchSize
+ * @param {number} value The new batchSize for the cursor
+ * @return {null}
+ */
+
+/**
+ * Get the batchSize of the cursor
+ * @function AggregationCursor.prototype.batchSize
+ * @param {number} value The current batchSize for the cursor
+ * @return {null}
+ */
+
+/**
+ * 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 {null}
+ */
+
+/**
+ * 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 KillCursor command and emitting close.
+ * @method AggregationCursor.prototype.close
+ * @param {AggregationCursor~resultCallback} [callback] The result callback.
+ * @return {null}
+ */   
+
+/**
+ * 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 {null}
+ */
+
+/**
+ * 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;

server/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;

server/node_modules/mongodb/lib/bulk/ordered.js

@@ -0,0 +1,470 @@
+"use strict";
+
+var common = require('./common')
+	, utils = require('../utils')
+  , toError = require('../utils').toError
+	, f = require('util').format
+	, shallowClone = utils.shallowClone
+  , WriteError = common.WriteError
+  , BulkWriteResult = common.BulkWriteResult
+  , LegacyOp = common.LegacyOp
+  , ObjectID = require('mongodb-core').BSON.ObjectID
+  , 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.maxBsonObjectSize;
+	var maxWriteBatchSize = topology.isMasterDoc.maxWriteBatchSize || 1000;
+
+	// Get the capabilities
+	var capabilities = topology.capabilities();
+
+  // Get the write concern
+  var writeConcern = common.writeConcern(shallowClone(options), collection, options);
+
+  // 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
+    // Capabilities
+    , capabilities: capabilities
+    // 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
+  }
+}
+
+OrderedBulkOperation.prototype.raw = function(op) {
+  var key = Object.keys(op)[0];
+
+  // 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(op.insertOne._id == null) op.insertOne._id = new ObjectID();
+    return addToOperationsList(this, common.INSERT, op.insertOne);
+  } else if(op.insertOne && op.insertOne.document) {
+    if(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(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(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 callback(null, new BulkWriteResult(self.s.bulkResult));
+  }
+
+  // Ordered execution of the command
+  var batch = self.s.batches.shift();
+
+  var resultHandler = function(err, result) {
+    // 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 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 callback(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;
+  }
+
+  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 
+    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 {null}
+ */
+OrderedBulkOperation.prototype.execute = function(_writeConcern, callback) {
+  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 the commands
+  return executeCommands(this, callback);
+}
+
+/**
+ * Returns an unordered batch object
+ * @ignore
+ */
+var initializeOrderedBulkOp = function(topology, collection, options) {
+	return new OrderedBulkOperation(topology, collection, options);
+}
+
+module.exports = initializeOrderedBulkOp;

server/node_modules/mongodb/lib/bulk/unordered.js

@@ -0,0 +1,482 @@
+"use strict";
+
+var common = require('./common')
+	, utils = require('../utils')
+  , toError = require('../utils').toError
+  , f = require('util').format
+  , shallowClone = utils.shallowClone
+  , WriteError = common.WriteError
+  , BulkWriteResult = common.BulkWriteResult
+  , LegacyOp = common.LegacyOp
+  , ObjectID = require('mongodb-core').BSON.ObjectID
+  , 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;
+
+  // Get the capabilities
+  var capabilities = topology.capabilities();
+
+  // Set max byte size
+	var maxBatchSizeBytes = topology.isMasterDoc.maxBsonObjectSize;
+	var maxWriteBatchSize = topology.isMasterDoc.maxWriteBatchSize || 1000;
+
+  // Get the write concern
+  var writeConcern = common.writeConcern(shallowClone(options), collection, options);
+
+  // 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
+    // Capabilities
+    , capabilities: capabilities
+    // 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
+  }
+}
+
+/**
+ * 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(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];
+
+  // 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(op.insertOne._id == null) op.insertOne._id = new ObjectID();
+    return addToOperationsList(this, common.INSERT, op.insertOne);
+  } else if(op.insertOne && op.insertOne.document) {
+    if(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++) {
+      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) {
+    // If we have and error
+    if(err) err.ok = 0;
+    callback(null, mergeBatchResults(false, batch, self.s.bulkResult, err, result));
+  }
+
+  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 
+    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;
+  // Execute over all the batches
+  for(var i = 0; i < self.s.batches.length; i++) {
+    executeBatch(self, self.s.batches[i], function(err, result) {
+      numberOfCommandsToExecute = numberOfCommandsToExecute - 1;
+
+      // Execute
+      if(numberOfCommandsToExecute == 0) {
+        var error = self.s.bulkResult.writeErrors.length > 0 ? self.s.bulkResult.writeErrors[0] : null;
+        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 {null}
+ */
+UnorderedBulkOperation.prototype.execute = function(_writeConcern, callback) {
+  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 batches
+  return executeBatches(this, function(err, result) {
+    callback(err, result);
+  });
+}
+
+/**
+ * Returns an unordered batch object
+ * @ignore
+ */
+var initializeUnorderedBulkOp = function(topology, collection, options) {
+	return new UnorderedBulkOperation(topology, collection, options);
+}
+
+module.exports = initializeUnorderedBulkOp;

server/node_modules/mongodb/lib/command_cursor.js

@@ -0,0 +1,279 @@
+"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
+  // , CoreCursor = require('mongodb-core').Cursor
+  , 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
+ * @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;
+
+  // 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
+  }
+}
+
+/**
+ * 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', 'each', 'forEach', 'toArray'
+  , 'rewind', 'bufferedCount', 'readBufferedDocuments', 'close', 'isClosed'];
+
+// Only inherit the types we need
+for(var i = 0; i < methodsToInherit.length; i++) {
+  CommandCursor.prototype[methodsToInherit[i]] = CoreCursor.prototype[methodsToInherit[i]];
+}
+
+/**
+ * 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 new MongoError("Cursor is closed");
+  if(typeof value != 'number') throw new MongoError("batchSize requires an integer");
+  if(this.s.cmd.cursor) this.s.cmd.cursor.batchSize = value;
+  this.setCursorBatchSize(value);
+  return this;
+}
+
+/**
+ * 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;
+}
+
+CommandCursor.prototype.get = CommandCursor.prototype.toArray;
+
+/**
+ * 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 {null}
+ */
+
+/**
+ * Set the new batchSize of the cursor
+ * @function CommandCursor.prototype.setBatchSize
+ * @param {number} value The new batchSize for the cursor
+ * @return {null}
+ */
+
+/**
+ * Get the batchSize of the cursor
+ * @function CommandCursor.prototype.batchSize
+ * @param {number} value The current batchSize for the cursor
+ * @return {null}
+ */
+
+/**
+ * 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 {null}
+ */
+
+/**
+ * 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 {null}
+ */   
+
+/**
+ * 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;

server/node_modules/mongodb/lib/cursor.js

@@ -0,0 +1,836 @@
+"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
+  , CoreCursor = require('mongodb-core').Cursor
+  , Query = require('mongodb-core').Query
+  , CoreReadPreference = require('mongodb-core').ReadPreference;
+
+/**
+ * @fileOverview The **Cursor** class is an internal class that embodies a 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
+ *
+ * **CURSORS 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.find({}).toArray(function(err, items) {
+ *       test.equal(null, err);
+ *       test.equal(4, items.length);
+ *       db.close();
+ *     });
+ *   });
+ * });
+ */
+
+/**
+ * Namespace provided by the mongodb-core and node.js
+ * @external CoreCursor
+ * @external Readable
+ */
+
+// Flags allowed for cursor
+var flags = ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'exhaust', 'partial'];
+
+/**
+ * Creates a new Cursor instance (INTERNAL TYPE, do not instantiate directly)
+ * @class
+ * @extends external:CoreCursor
+ * @extends external:Readable
+ * @property {string} sortValue Cursor query sort setting.
+ * @property {boolean} timeout Is Cursor able to time out.
+ * @property {ReadPreference} readPreference Get cursor ReadPreference.
+ * @fires Cursor#data
+ * @fires Cursor#end
+ * @fires Cursor#close
+ * @fires Cursor#readable
+ * @return {Cursor} a Cursor instance.
+ * @example
+ * Some example
+ */
+var Cursor = function(bson, ns, cmd, options, topology, topologyOptions) {
+  CoreCursor.apply(this, Array.prototype.slice.call(arguments, 0));
+  var self = this;
+  var state = Cursor.INIT;
+  var streamOptions = {};
+
+  // Tailable cursor options
+  var numberOfRetries = options.numberOfRetries || 5;
+  var tailableRetryInterval = options.tailableRetryInterval || 500;
+  var currentNumberOfRetries = numberOfRetries;
+  // MaxTimeMS
+  var maxTimeMS = null;
+
+  // Set up
+  Readable.call(this, {objectMode: true});
+
+  // Internal cursor state
+  this.s = {
+    // MaxTimeMS
+      maxTimeMS: null
+    // Tailable cursor options
+    , numberOfRetries: numberOfRetries
+    , tailableRetryInterval: tailableRetryInterval
+    , currentNumberOfRetries: currentNumberOfRetries
+    // State
+    , state: state
+    // Stream options
+    , streamOptions: streamOptions
+    // BSON
+    , bson: bson
+    // Namespace
+    , ns: ns
+    // Command
+    , cmd: cmd
+    // Options
+    , options: options
+    // Topology
+    , topology: topology
+    // Topology options
+    , topologyOptions: topologyOptions
+  }
+
+  // Legacy fields
+  this.timeout = self.s.options.noCursorTimeout == true;
+  this.sortValue = self.s.cmd.sort;
+  this.readPreference = self.s.options.readPreference;
+}
+
+/**
+ * Cursor stream data event, fired for each document in the cursor.
+ *
+ * @event Cursor#data
+ * @type {object}
+ */
+
+/**
+ * Cursor stream end event
+ *
+ * @event Cursor#end
+ * @type {null}
+ */
+
+/**
+ * Cursor stream close event
+ *
+ * @event Cursor#close
+ * @type {null}
+ */
+
+/**
+ * Cursor stream readable event
+ *
+ * @event Cursor#readable
+ * @type {null}
+ */
+
+// Inherit from Readable
+inherits(Cursor, Readable);
+
+for(var name in CoreCursor.prototype) {
+  Cursor.prototype[name] = CoreCursor.prototype[name];
+}
+
+/**
+ * Set the cursor query
+ * @method
+ * @param {object} filter The filter object used for the cursor.
+ * @return {Cursor}
+ */
+Cursor.prototype.filter = function(filter) {
+  if(this.s.state == Cursor.CLOSED || this.s.state == Cursor.OPEN || this.isDead()) throw new MongoError("Cursor is closed");
+  this.s.cmd.query = filter;
+  return this;
+}
+
+/**
+ * Add a cursor flag to the cursor
+ * @method
+ * @param {string} flag The flag to set, must be one of following ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'exhaust', 'partial'].
+ * @param {boolean} value The flag boolean value.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.addCursorFlag = function(flag, value) {
+  if(this.s.state == Cursor.CLOSED || this.s.state == Cursor.OPEN || this.isDead()) throw new MongoError("Cursor is closed");
+  if(flags.indexOf(flag) == -1) throw new MongoError(f("flag % not a supported flag %s", flag, flags));
+  if(typeof value != 'boolean') throw new MongoError(f("flag % must be a boolean value", flag));
+  this.s.cmd[flag] = value;
+  return this;
+}
+
+/**
+ * Add a query modifier to the cursor query
+ * @method
+ * @param {string} name The query modifier (must start with $, such as $orderby etc)
+ * @param {boolean} value The flag boolean value.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.addQueryModifier = function(name, value) {
+  if(this.s.state == Cursor.CLOSED || this.s.state == Cursor.OPEN || this.isDead()) throw new MongoError("Cursor is closed");
+  if(name[0] != '$') throw new MongoError(f("%s is not a valid query modifier"));
+  // Strip of the $
+  var field = name.substr(1);
+  // Set on the command
+  this.s.cmd[field] = value;
+  // Deal with the special case for sort
+  if(field == 'orderby') this.s.cmd.sort = this.s.cmd[field];
+  return this;
+}
+
+/**
+ * Add a comment to the cursor query allowing for tracking the comment in the log.
+ * @method
+ * @param {string} value The comment attached to this query.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.comment = function(value) {
+  if(this.s.state == Cursor.CLOSED || this.s.state == Cursor.OPEN || this.isDead()) throw new MongoError("Cursor is closed");
+  this.s.cmd.comment = value;
+  return this;
+}
+
+/**
+ * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+ * @method
+ * @param {number} value Number of milliseconds to wait before aborting the query.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.maxTimeMS = function(value) {
+  if(typeof value != 'number') throw new MongoError("maxTimeMS must be a number");
+  if(this.s.state == Cursor.CLOSED || this.s.state == Cursor.OPEN || this.isDead()) throw new MongoError("Cursor is closed");
+  this.s.maxTimeMS = value;
+  this.s.cmd.maxTimeMS = value;
+  return this;
+}
+
+Cursor.prototype.maxTimeMs = Cursor.prototype.maxTimeMS;
+
+/**
+ * Sets a field projection for the query.
+ * @method
+ * @param {object} value The field projection object.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.project = function(value) {
+  if(this.s.state == Cursor.CLOSED || this.s.state == Cursor.OPEN || this.isDead()) throw new MongoError("Cursor is closed");
+  this.s.cmd.fields = value;
+  return this;
+}
+
+/**
+ * Sets the sort order of the cursor query.
+ * @method
+ * @param {(string|array|object)} keyOrList The key or keys set for the sort.
+ * @param {number} [direction] The direction of the sorting (1 or -1).
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.sort = function(keyOrList, direction) {
+  if(this.s.options.tailable) throw new MongoError("Tailable cursor doesn't support sorting");
+  if(this.s.state == Cursor.CLOSED || this.s.state == Cursor.OPEN || this.isDead()) throw new MongoError("Cursor is closed");
+  var order = keyOrList;
+
+  if(direction != null) {
+    order = [[keyOrList, direction]];
+  }
+
+  this.s.cmd.sort = order;
+  this.sortValue = order;
+  return this;
+}
+
+/**
+ * Set the batch size for the cursor.
+ * @method
+ * @param {number} value The batchSize for the cursor.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.batchSize = function(value) {
+  if(this.s.options.tailable) throw new MongoError("Tailable cursor doesn't support limit");
+  if(this.s.state == Cursor.CLOSED || this.isDead()) throw new MongoError("Cursor is closed");
+  if(typeof value != 'number') throw new MongoError("batchSize requires an integer");
+  this.s.cmd.batchSize = value;
+  this.setCursorBatchSize(value);
+  return this;
+}
+
+/**
+ * Set the limit for the cursor.
+ * @method
+ * @param {number} value The limit for the cursor query.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.limit = function(value) {
+  if(this.s.options.tailable) throw new MongoError("Tailable cursor doesn't support limit");
+  if(this.s.state == Cursor.OPEN || this.s.state == Cursor.CLOSED || this.isDead()) throw new MongoError("Cursor is closed");
+  if(typeof value != 'number') throw new MongoError("limit requires an integer");
+  this.s.cmd.limit = value;
+  // this.cursorLimit = value;
+  this.setCursorLimit(value);
+  return this;
+}
+
+/**
+ * Set the skip for the cursor.
+ * @method
+ * @param {number} value The skip for the cursor query.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.skip = function(value) {
+  if(this.s.options.tailable) throw new MongoError("Tailable cursor doesn't support skip");
+  if(this.s.state == Cursor.OPEN || this.s.state == Cursor.CLOSED || this.isDead()) throw new MongoError("Cursor is closed");
+  if(typeof value != 'number') throw new MongoError("skip requires an integer");
+  this.s.cmd.skip = value;
+  this.setCursorSkip(value);
+  return this;
+}
+
+/**
+ * The callback format for results
+ * @callback Cursor~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.
+ */
+
+/**
+ * Get the next available document from the cursor, returns null if no more documents are available.
+ * @function external:CoreCursor#next
+ * @param {Cursor~resultCallback} callback The result callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+
+/**
+ * Set the new batchSize of the cursor
+ * @function Cursor.prototype.setBatchSize
+ * @param {number} value The new batchSize for the cursor
+ * @return {null}
+ */
+
+/**
+ * Get the batchSize of the cursor
+ * @function Cursor.prototype.batchSize
+ * @param {number} value The current batchSize for the cursor
+ * @return {null}
+ */
+
+/**
+ * Set the new skip value of the cursor
+ * @function Cursor.prototype.setCursorSkip
+ * @param {number} value The new skip for the cursor
+ * @return {null}
+ */
+
+/**
+ * Get the skip value of the cursor
+ * @function Cursor.prototype.cursorSkip
+ * @param {number} value The current skip value for the cursor
+ * @return {null}
+ */
+
+/**
+ * Set the new limit value of the cursor
+ * @function Cursor.prototype.setCursorLimit
+ * @param {number} value The new limit for the cursor
+ * @return {null}
+ */
+
+/**
+ * Get the limit value of the cursor
+ * @function Cursor.prototype.cursorLimit
+ * @param {number} value The current limit value for the cursor
+ * @return {null}
+ */
+
+/**
+ * Clone the cursor
+ * @function external:CoreCursor#clone
+ * @return {Cursor}
+ */
+
+/**
+ * Resets the cursor
+ * @function external:CoreCursor#rewind
+ * @return {null}
+ */
+
+/**
+ * Get the next available document from the cursor, returns null if no more documents are available.
+ * @method
+ * @param {Cursor~resultCallback} callback The result callback.
+ * @throws {MongoError}
+ * @deprecated
+ * @return {null}
+ */
+Cursor.prototype.nextObject = function(callback) {
+  var self = this;
+  if(this.s.state == Cursor.CLOSED || self.isDead()) return handleCallback(callback, new MongoError("Cursor is closed"));
+  if(this.s.state == Cursor.INIT && this.s.cmd.sort) {
+    try {
+      this.s.cmd.sort = formattedOrderClause(this.s.cmd.sort);
+    } catch(err) {
+      return handleCallback(callback, err);
+    }
+  }
+
+  // Get the next object
+  self.next(function(err, doc) {
+    if(err && err.tailable && self.s.currentNumberOfRetries == 0) return callback(err);
+    if(err && err.tailable && self.s.currentNumberOfRetries > 0) {
+      self.s.currentNumberOfRetries = self.s.currentNumberOfRetries - 1;
+      return setTimeout(function() {
+        self.nextObject(callback);
+      }, self.s.tailableRetryInterval);
+    }
+
+    self.s.state = Cursor.OPEN;
+    if(err) return handleCallback(callback, err);
+    handleCallback(callback, null, doc);
+  });
+}
+
+// Trampoline emptying the number of retrieved items
+// without incurring a nextTick operation
+var loop = function(self, callback) {
+  // No more items we are done
+  if(self.bufferedCount() == 0) return;
+  // Get the next document
+  self.next(callback);
+  // Loop
+  return loop;
+}
+
+/**
+ * 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
+ * @deprecated
+ * @param {Cursor~resultCallback} callback The result callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+Cursor.prototype.each = function(callback) {
+  // Rewind cursor state
+  this.rewind();
+  // Set current cursor to INIT
+  this.s.state = Cursor.INIT;
+  // Run the query
+  _each(this, callback);
+};
+
+// Run the each loop
+var _each = function(self, callback) {
+  if(!callback) throw new MongoError('callback is mandatory');
+  if(self.isNotified()) return;
+  if(self.s.state == Cursor.CLOSED || self.isDead()) {
+    return handleCallback(callback, new MongoError("Cursor is closed"), null);
+  }
+
+  if(self.s.state == Cursor.INIT) self.s.state = Cursor.OPEN;
+
+  // Define function to avoid global scope escape
+  var fn = null;
+  // Trampoline all the entries
+  if(self.bufferedCount() > 0) {
+    while(fn = loop(self, callback)) fn(self, callback);
+    _each(self, callback);
+  } else {
+    self.next(function(err, item) {
+      if(err) return handleCallback(callback, err);
+      if(item == null) {
+        self.s.state = Cursor.CLOSED;
+        return handleCallback(callback, null, null);
+      }
+
+      if(handleCallback(callback, null, item) == false) return;
+      _each(self, callback);
+    })
+  }
+}
+
+/**
+ * The callback format for the forEach iterator method
+ * @callback Cursor~iteratorCallback
+ * @param {Object} doc An emitted document for the iterator
+ */
+
+/**
+ * The callback error format for the forEach iterator method
+ * @callback Cursor~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
+ * @param {Cursor~iteratorCallback} iterator The iteration callback.
+ * @param {Cursor~endCallback} callback The end callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+Cursor.prototype.forEach = function(iterator, callback) {
+  this.each(function(err, doc){
+    if(err) { callback(err); return false; }
+    if(doc != null) { iterator(doc); return true; }
+    if(doc == null && callback) {
+      var internalCallback = callback;
+      callback = null;
+      internalCallback(null);
+      return false;
+    }
+  });
+}
+
+/**
+ * Set the ReadPreference for the cursor.
+ * @method
+ * @param {(string|ReadPreference)} readPreference The new read preference for the cursor.
+ * @throws {MongoError}
+ * @return {Cursor}
+ */
+Cursor.prototype.setReadPreference = function(r) {
+  if(this.s.state != Cursor.INIT) throw new MongoError('cannot change cursor readPreference after cursor has been accessed');
+  if(r instanceof ReadPreference) {
+    this.s.options.readPreference = new CoreReadPreference(r.mode, r.tags);
+  } else {
+    this.s.options.readPreference = new CoreReadPreference(r);
+  }
+
+  return this;
+}
+
+/**
+ * The callback format for results
+ * @callback Cursor~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
+ * @param {Cursor~toArrayResultCallback} callback The result callback.
+ * @throws {MongoError}
+ * @return {null}
+ */
+Cursor.prototype.toArray = function(callback) {
+  var self = this;
+  if(!callback) throw new MongoError('callback is mandatory');
+  if(self.s.options.tailable) return handleCallback(callback, new MongoError("Tailable cursor cannot be converted to array"), null);
+  var items = [];
+
+  // Reset cursor
+  this.rewind();
+  self.s.state = Cursor.INIT;
+
+  // Fetch all the documents
+  var fetchDocs = function() {
+    self.next(function(err, doc) {
+      if(err) return handleCallback(callback, err);
+      if(doc == null) {
+        self.s.state = Cursor.CLOSED;
+        return handleCallback(callback, null, items);
+      }
+
+      // Add doc to items
+      items.push(doc)
+      // Get all buffered objects
+      if(self.bufferedCount() > 0) {
+        var a = self.readBufferedDocuments(self.bufferedCount())
+        items = items.concat(a);
+      }
+
+      // Attempt a fetch
+      fetchDocs();
+    })
+  }
+
+  fetchDocs();
+}
+
+/**
+ * The callback format for results
+ * @callback Cursor~countResultCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {number} count The count of documents.
+ */
+
+/**
+ * Get the count of documents for this cursor
+ * @method
+ * @param {boolean} applySkipLimit Should the count command apply limit and skip settings on the cursor or in the passed in options.
+ * @param {object} [options=null] Optional settings.
+ * @param {number} [options.skip=null] The number of documents to skip.
+ * @param {number} [options.limit=null] The maximum amounts to count before aborting.
+ * @param {number} [options.maxTimeMS=null] Number of miliseconds to wait before aborting the query.
+ * @param {string} [options.hint=null] An index name hint for the query.
+ * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST).
+ * @param {Cursor~countResultCallback} callback The result callback.
+ * @return {null}
+ */
+Cursor.prototype.count = function(applySkipLimit, opts, callback) {
+  var self = this;
+  if(typeof opts == 'function') callback = opts, opts = {};
+  opts = opts || {};
+  if(self.s.cmd.query == null) callback(new MongoError("count can only be used with find command"));
+  if(typeof applySkipLimit == 'function') {
+    callback = applySkipLimit;
+    applySkipLimit = true;
+  }
+
+  var opts = {};
+  if(applySkipLimit) {
+    if(typeof this.cursorSkip() == 'number') opts.skip = this.cursorSkip();
+    if(typeof this.cursorLimit() == 'number') opts.limit = this.cursorLimit();
+  }
+
+  // Command
+
+  var delimiter = self.s.ns.indexOf('.');
+
+  var command = {
+    'count': self.s.ns.substr(delimiter+1), 'query': self.s.cmd.query
+  }
+
+  // If maxTimeMS set
+  if(typeof maxTimeMS == 'number') {
+    command.maxTimeMS = self.s.maxTimeMS;
+  }
+
+  // Get a server
+  var server = self.s.topology.getServer(opts);
+  // Get a connection
+  var connection = self.s.topology.getConnection(opts);
+  // Get the callbacks
+  var callbacks = server.getCallbacks();
+
+  // Merge in any options
+  if(opts.skip) command.skip = opts.skip;
+  if(opts.limit) command.limit = opts.limit;
+  if(self.s.options.hint) command.hint = self.s.options.hint;
+
+  // Build Query object
+  var query = new Query(self.s.bson, f("%s.$cmd", self.s.ns.substr(0, delimiter)), command, {
+      numberToSkip: 0, numberToReturn: -1
+    , checkKeys: false
+  });
+
+  // Set up callback
+  callbacks.register(query.requestId, function(err, result) {
+    if(err) return handleCallback(callback, err);
+    if(result.documents.length == 1
+      && (result.documents[0].errmsg
+      || result.documents[0].err
+      || result.documents[0]['$err'])) return callback(MongoError.create(result.documents[0]));
+    handleCallback(callback, null, result.documents[0].n);
+  });
+
+  // Write the initial command out
+  connection.write(query.toBin());
+};
+
+/**
+ * Close the cursor, sending a KillCursor command and emitting close.
+ * @method
+ * @param {Cursor~resultCallback} [callback] The result callback.
+ * @return {null}
+ */
+Cursor.prototype.close = function(callback) {
+  this.s.state = Cursor.CLOSED;
+  // Kill the cursor
+  this.kill();
+  // Emit the close event for the cursor
+  this.emit('close');
+  // Callback if provided
+  if(callback) return handleCallback(callback, null, this);
+}
+
+/**
+ * Is the cursor closed
+ * @method
+ * @return {boolean}
+ */
+Cursor.prototype.isClosed = function() {
+  return this.isDead();
+}
+
+Cursor.prototype.destroy = function(err) {
+  this.pause();
+  this.close();
+  if(err) this.emit('error', err);
+}
+
+/**
+ * Return a modified Readable stream including a possible transform method.
+ * @method
+ * @param {object} [options=null] Optional settings.
+ * @param {function} [options.transform=null] A transformation method applied to each document emitted by the stream.
+ * @return {Cursor}
+ */
+Cursor.prototype.stream = function(options) {
+  this.s.streamOptions = options || {};
+  return this;
+}
+
+/**
+ * Execute the explain for the cursor
+ * @method
+ * @param {Cursor~resultCallback} [callback] The result callback.
+ * @return {null}
+ */
+Cursor.prototype.explain = function(callback) {
+  this.s.cmd.explain = true;
+  this.next(callback);
+}
+
+Cursor.prototype._read = function(n) {
+  var self = this;
+  if(self.s.state == Cursor.CLOSED || self.isDead()) {
+    return self.push(null);
+  }
+
+  // Get the next item
+  self.nextObject(function(err, result) {
+    if(err) {
+      if(!self.isDead()) self.close();
+      if(self.listeners('error') && self.listeners('error').length > 0) {
+        self.emit('error', err);
+      }
+
+      // Emit end event
+      return self.emit('end');
+    }
+
+    // If we provided a transformation method
+    if(typeof self.s.streamOptions.transform == 'function' && result != null) {
+      return self.push(self.s.streamOptions.transform(result));
+    }
+
+    // Return the result
+    self.push(result);
+  });
+}
+
+Object.defineProperty(Cursor.prototype, 'namespace', {
+  enumerable: true,
+  get: function() {
+    if (!this || !this.s) {
+      return null;
+    }
+
+    // TODO: refactor this logic into core
+    var ns = this.s.ns || '';
+    var firstDot = ns.indexOf('.');
+    if (firstDot < 0) {
+      return {
+        database: this.s.ns,
+        collection: ''
+      };
+    }
+    return {
+      database: ns.substr(0, firstDot),
+      collection: ns.substr(firstDot + 1)
+    };
+  }
+});
+
+/**
+ * The read() method pulls some data out of the internal buffer and returns it. If there is no data available, then it will return null.
+ * @function external:Readable#read
+ * @param {number} size Optional argument to specify how much data to read.
+ * @return {(String | Buffer | null)}
+ */
+
+/**
+ * Call this function to cause the stream to return strings of the specified encoding instead of Buffer objects.
+ * @function external:Readable#setEncoding
+ * @param {string} encoding The encoding to use.
+ * @return {null}
+ */
+
+/**
+ * This method will cause the readable stream to resume emitting data events.
+ * @function external:Readable#resume
+ * @return {null}
+ */
+
+/**
+ * This method will cause a stream in flowing-mode to stop emitting data events. Any data that becomes available will remain in the internal buffer.
+ * @function external:Readable#pause
+ * @return {null}
+ */
+
+/**
+ * This method pulls all the data out of a readable stream, and writes it to the supplied destination, automatically managing the flow so that the destination is not overwhelmed by a fast readable stream.
+ * @function external:Readable#pipe
+ * @param {Writable} destination The destination for writing data
+ * @param {object} [options] Pipe options
+ * @return {null}
+ */
+
+/**
+ * This method will remove the hooks set up for a previous pipe() call.
+ * @function external:Readable#unpipe
+ * @param {Writable} [destination] The destination for writing data
+ * @return {null}
+ */
+
+/**
+ * This is useful in certain cases where a stream is being consumed by a parser, which needs to "un-consume" some data that it has optimistically pulled out of the source, so that the stream can be passed on to some other party.
+ * @function external:Readable#unshift
+ * @param {(Buffer|string)} chunk Chunk of data to unshift onto the read queue.
+ * @return {null}
+ */
+
+/**
+ * Versions of Node prior to v0.10 had streams that did not implement the entire Streams API as it is today. (See "Compatibility" below for more information.)
+ * @function external:Readable#wrap
+ * @param {Stream} stream An "old style" readable stream.
+ * @return {null}
+ */
+
+Cursor.INIT = 0;
+Cursor.OPEN = 1;
+Cursor.CLOSED = 2;
+Cursor.GET_MORE = 3;
+
+module.exports = Cursor;

server/node_modules/mongodb/lib/gridfs/chunk.js

@@ -0,0 +1,236 @@
+"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, 'binary', 0);
+    this.data = new Binary(buffer);
+  } else if(Array.isArray(mongoObjectFinal.data)) {
+    var buffer = new Buffer(mongoObjectFinal.data.length);
+    buffer.write(mongoObjectFinal.data.join(''), 'binary', 0);
+    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);
+  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 = {};
+    for(var name in options) writeOptions[name] = options[name];
+    for(var name in self.writeConcern) writeOptions[name] = self.writeConcern[name];    
+
+    // collection.remove({'_id':self.objectId}, self.writeConcern, function(err, result) {
+    collection.remove({'_id':self.objectId}, writeOptions, function(err, result) {
+      if(err) return callback(err);
+
+      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.insert(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;

server/node_modules/mongodb/lib/mongo_client.js

@@ -0,0 +1,413 @@
+"use strict";
+
+var parse = require('./url_parser')
+  , Server = require('./server')
+  , Mongos = require('./mongos')
+  , ReplSet = require('./replset')
+  , 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 {MongoClient~connectCallback} callback The command result callback
+   * @return {null}
+   */  
+  this.connect = MongoClient.connect;
+}
+
+/**
+ * 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 {MongoClient~connectCallback} callback The command result callback
+ * @return {null}
+ */  
+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 || {};
+
+  // Set default empty server options  
+  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.sslCA
+    || replSetServersOptions.sslCert
+    || replSetServersOptions.sslKey
+    || replSetServersOptions.sslPass) {
+    object.server_options.ssl = replSetServersOptions.ssl;
+    object.server_options.sslValidate = replSetServersOptions.sslValidate;
+    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.sslCA
+    || mongosOptions.sslCert
+    || mongosOptions.sslKey
+    || mongosOptions.sslPass) {
+    object.server_options.ssl = mongosOptions.ssl;
+    object.server_options.sslValidate = mongosOptions.sslValidate;
+    object.server_options.sslCA = mongosOptions.sslCA;
+    object.server_options.sslCert = mongosOptions.sslCert;
+    object.server_options.sslKey = mongosOptions.sslKey;
+    object.server_options.sslPass = mongosOptions.sslPass;
+  }
+
+  // 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 || 30000
+        , socketTimeoutMS:  providedSocketOptions.socketTimeoutMS || 30000
+      }
+      , 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.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.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 setName;
+
+    var connectFunction = function(__server) { 
+      // Attempt connect
+      new Db(object.dbName, __server, {w:1, native_parser:false}).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();
+          var isMasterDoc = db.serverConfig.isMasterDoc;
+          // Check what type of server we have
+          if(isMasterDoc.setName) {
+            totalNumberOfMongodServers++;
+            setName = isMasterDoc.setName;
+          }
+          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) {
+            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) {
+            var finalServers = object.servers
+              .filter(function(serverObj) {
+                return errorServers[serverObj.host + ":" + serverObj.port] == null;
+              })
+              .map(function(serverObj) {
+                return 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 (totalNumberOfMongodServers == 1) {
+                  object.rs_options.replicaSet = object.rs_options.replicaSet || setName;
+                }
+                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

server/node_modules/mongodb/lib/mongos.js

@@ -0,0 +1,454 @@
+"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
+  , CMongos = require('mongodb-core').Mongos
+  , Cursor = require('./cursor')
+  , 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 {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 new MongoError("all seed list instances must be of the Server type");
+    }
+  }
+
+  // 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;
+  } 
+
+  // 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.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);
+
+// 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();
+}
+
+// Server capabilities
+Mongos.prototype.capabilities = function() {
+  if(this.s.sCapabilities) return this.s.sCapabilities;
+  this.s.sCapabilities = new ServerCapabilities(this.s.mongos.lastIsMaster());
+  return this.s.sCapabilities;
+}
+
+// Command
+Mongos.prototype.command = function(ns, cmd, options, callback) {
+  this.s.mongos.command(ns, cmd, options, callback);
+}
+
+// Insert
+Mongos.prototype.insert = function(ns, ops, options, callback) {
+  this.s.mongos.insert(ns, ops, options, function(e, m) {
+    callback(e, m)
+  });
+}
+
+// Update
+Mongos.prototype.update = function(ns, ops, options, callback) {
+  this.s.mongos.update(ns, ops, options, callback);
+}
+
+// Remove
+Mongos.prototype.remove = function(ns, ops, options, callback) {
+  this.s.mongos.remove(ns, ops, options, callback);
+}
+
+// IsConnected
+Mongos.prototype.isConnected = function() {
+  return this.s.mongos.isConnected();
+}
+
+// Insert
+Mongos.prototype.cursor = function(ns, cmd, options) {
+  options.disconnectHandler = this.s.store;
+  return this.s.mongos.cursor(ns, cmd, options);
+}
+
+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();
+  }
+}
+
+Mongos.prototype.auth = function() {
+  var args = Array.prototype.slice.call(arguments, 0);
+  this.s.mongos.auth.apply(this.s.mongos, args);
+}
+
+/**
+ * All raw connections
+ * @method
+ * @return {array}
+ */
+Mongos.prototype.connections = function() {
+  return this.s.mongos.connections();
+}      
+
+/**
+ * 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;

server/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;

server/node_modules/mongodb/lib/replset.js

@@ -0,0 +1,527 @@
+"use strict";
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('util').inherits
+  , f = require('util').format
+  , Server = require('./server')
+  , Mongos = require('./mongos')
+  , Cursor = require('./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
+  , 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 {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 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 new MongoError("all seed list instances must be of the Server type");
+    }
+  }
+
+  // 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;
+
+  // 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);
+
+// 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();
+}
+
+// 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;
+  this.s.sCapabilities = new ServerCapabilities(this.s.replset.lastIsMaster());
+  return this.s.sCapabilities;
+}
+
+// Command
+ReplSet.prototype.command = function(ns, cmd, options, callback) {
+  options = translateReadPreference(options);
+  this.s.replset.command(ns, cmd, options, callback);
+}
+
+// Insert
+ReplSet.prototype.insert = function(ns, ops, options, callback) {
+  this.s.replset.insert(ns, ops, options, callback);
+}
+
+// Update
+ReplSet.prototype.update = function(ns, ops, options, callback) {
+  this.s.replset.update(ns, ops, options, callback);
+}
+
+// Remove
+ReplSet.prototype.remove = function(ns, ops, options, callback) {
+  this.s.replset.remove(ns, ops, options, callback);
+}
+
+// IsConnected
+ReplSet.prototype.isConnected = function() {
+  return this.s.replset.isConnected();
+}
+
+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);
+}
+
+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);
+  });        
+}
+
+ReplSet.prototype.auth = function() {
+  var args = Array.prototype.slice.call(arguments, 0);
+  this.s.replset.auth.apply(this.s.replset, args);
+}
+
+/**
+ * All raw connections
+ * @method
+ * @return {array}
+ */
+ReplSet.prototype.connections = function() {
+  return this.s.replset.connections();
+}    
+
+/**
+ * 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;

server/node_modules/mongodb/lib/server.js

@@ -0,0 +1,408 @@
+"use strict";
+
+var EventEmitter = require('events').EventEmitter
+  , inherits = require('util').inherits
+  , CServer = require('mongodb-core').Server
+  , Cursor = require('./cursor')
+  , f = require('util').format
+  , ServerCapabilities = require('./topology_base').ServerCapabilities
+  , Store = require('./topology_base').Store
+  , 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 {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 new MongoError('port must be specified');
+  }
+
+  // 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);
+
+Server.prototype.parserType = function() {
+  return this.s.server.parserType();
+}
+
+// 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.once('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) {
+      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;
+  this.s.sCapabilities = new ServerCapabilities(this.s.server.lastIsMaster());
+  return this.s.sCapabilities;
+}
+
+// Command
+Server.prototype.command = function(ns, cmd, options, callback) {
+  this.s.server.command(ns, cmd, options, callback);
+}
+
+// Insert
+Server.prototype.insert = function(ns, ops, options, callback) {
+  this.s.server.insert(ns, ops, options, callback);
+}
+
+// Update
+Server.prototype.update = function(ns, ops, options, callback) {
+  this.s.server.update(ns, ops, options, callback);
+}
+
+// Remove
+Server.prototype.remove = function(ns, ops, options, callback) {
+  this.s.server.remove(ns, ops, options, callback);
+}
+
+// IsConnected
+Server.prototype.isConnected = function() {
+  return this.s.server.isConnected();
+}
+
+// Insert
+Server.prototype.cursor = function(ns, cmd, options) {
+  options.disconnectHandler = this.s.store;
+  return this.s.server.cursor(ns, cmd, options);
+}
+
+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();
+  }
+}
+
+Server.prototype.auth = function() {
+  var args = Array.prototype.slice.call(arguments, 0);
+  this.s.server.auth.apply(this.s.server, args);
+}
+
+/**
+ * All raw connections
+ * @method
+ * @return {array}
+ */
+Server.prototype.connections = function() {
+  return this.s.server.connections();
+}
+
+/**
+ * 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;

server/node_modules/mongodb/lib/topology_base.js

@@ -0,0 +1,140 @@
+"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(new MongoError("db closed by application"));
+  if(this.s.storeOptions.bufferMaxEntries == 0) return callback(new MongoError(f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries)));
+  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(new MongoError(f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries)));
+    }
+
+    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(new MongoError("db closed by application"));
+  if(this.s.storeOptions.bufferMaxEntries == 0) return callback(new MongoError(f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries)));
+  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(new MongoError(f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries)));
+    }
+
+    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(new MongoError(f("no connection available for operation")));
+  }
+}
+
+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;

server/node_modules/mongodb/lib/url_parser.js

@@ -0,0 +1,281 @@
+"use strict";
+
+var ReadPreference = require('./read_preference');
+
+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';
+
+  // Must start with mongodb
+  if(url.indexOf("mongodb://") != 0)
+    throw Error("URL must be in the format mongodb://user:pass@host:port/dbname");
+  // 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;
+    // 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];
+      }
+      // Return the mapped object
+      return {host: _host, port: _port};
+    });
+  }
+
+  // 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 '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 '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 != 'SCRAM-SHA-1'
+          && value != 'PLAIN') 
+            throw new Error("only 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.read_preference = 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.read_preference) dbOptions.read_preference = 'primary';
+
+  // Add servers to result
+  object.servers = servers;
+  // Returned parsed object
+  return object;
+}

server/node_modules/mongodb/lib/utils.js

@@ -0,0 +1,233 @@
+"use strict";
+
+var MongoError = require('mongodb-core').MongoError
+
+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 = new MongoError(msg);
+
+  // 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;