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+"use strict";
+
+var EventEmitter = require('events').EventEmitter
+ , inherits = require('util').inherits
+ , CServer = require('mongodb-core').Server
+ , Cursor = require('./cursor')
+ , AggregationCursor = require('./aggregation_cursor')
+ , CommandCursor = require('./command_cursor')
+ , f = require('util').format
+ , ServerCapabilities = require('./topology_base').ServerCapabilities
+ , Store = require('./topology_base').Store
+ , Define = require('./metadata')
+ , MongoError = require('mongodb-core').MongoError
+ , MAX_JS_INT = require('./utils').MAX_JS_INT
+ , translateOptions = require('./utils').translateOptions
+ , filterOptions = require('./utils').filterOptions
+ , mergeOptions = require('./utils').mergeOptions
+ , os = require('os');
+
+// Get package.json variable
+var driverVersion = require(__dirname + '/../package.json').version;
+var nodejsversion = f('Node.js %s, %s', process.version, os.endianness());
+var type = os.type();
+var name = process.platform;
+var architecture = process.arch;
+var release = os.release();
+
+/**
+ * @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();
+ * });
+ */
+
+ // Allowed parameters
+ var legalOptionNames = ['ha', 'haInterval', 'acceptableLatencyMS'
+ , 'poolSize', 'ssl', 'checkServerIdentity', 'sslValidate'
+ , 'sslCA', 'sslCert', 'sslKey', 'sslPass', 'socketOptions', 'bufferMaxEntries'
+ , 'store', 'auto_reconnect', 'autoReconnect', 'emitError'
+ , 'keepAlive', 'noDelay', 'connectTimeoutMS', 'socketTimeoutMS'
+ , 'loggerLevel', 'logger', 'reconnectTries', 'reconnectInterval', 'monitoring'
+ , 'appname', 'domainsEnabled'
+ , 'servername', 'promoteLongs', 'promoteValues', 'promoteBuffers'];
+
+/**
+ * Creates a new Server instance
+ * @class
+ * @deprecated
+ * @param {string} host The host for the server, can be either an IP4, IP6 or domain socket style host.
+ * @param {number} [port] The server port if IP4.
+ * @param {object} [options=null] Optional settings.
+ * @param {number} [options.poolSize=5] Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
+ * @param {boolean} [options.ssl=false] Use ssl connection (needs to have a mongod server with ssl support)
+ * @param {object} [options.sslValidate=true] Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {boolean|function} [options.checkServerIdentity=true] Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
+ * @param {array} [options.sslCA=null] Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslCert=null] String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslKey=null] String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {(Buffer|string)} [options.sslPass=null] String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
+ * @param {string} [options.servername=null] String containing the server name requested via TLS SNI.
+ * @param {object} [options.socketOptions=null] Socket options
+ * @param {boolean} [options.socketOptions.autoReconnect=true] 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
+ * @param {number} [options.monitoring=true] Triggers the server instance to call ismaster
+ * @param {number} [options.haInterval=10000] The interval of calling ismaster when monitoring is enabled.
+ * @param {boolean} [options.domainsEnabled=false] Enable the wrapping of the callback in the current domain, disabled by default to avoid perf hit.
+ * @fires Server#connect
+ * @fires Server#close
+ * @fires Server#error
+ * @fires Server#timeout
+ * @fires Server#parseError
+ * @fires Server#reconnect
+ * @property {string} parserType the parser type used (c++ or js).
+ * @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;
+
+ // Filter the options
+ options = filterOptions(options, legalOptionNames);
+
+ // Stored options
+ var storeOptions = {
+ force: false
+ , bufferMaxEntries: typeof options.bufferMaxEntries == 'number' ? options.bufferMaxEntries : MAX_JS_INT
+ }
+
+ // Shared global store
+ var store = options.store || new Store(self, storeOptions);
+
+ // Detect if we have a socket connection
+ if(host.indexOf('\/') != -1) {
+ if(port != null && typeof port == 'object') {
+ options = port;
+ port = null;
+ }
+ } else if(port == null) {
+ throw MongoError.create({message: 'port must be specified', driver:true});
+ }
+
+ // Get the reconnect option
+ var reconnect = typeof options.auto_reconnect == 'boolean' ? options.auto_reconnect : true;
+ reconnect = typeof options.autoReconnect == 'boolean' ? options.autoReconnect : reconnect;
+
+ // Clone options
+ var clonedOptions = mergeOptions({}, {
+ host: host, port: port, disconnectHandler: store,
+ cursorFactory: Cursor,
+ reconnect: reconnect,
+ emitError: typeof options.emitError == 'boolean' ? options.emitError : true,
+ size: typeof options.poolSize == 'number' ? options.poolSize : 5
+ });
+
+ // Translate any SSL options and other connectivity options
+ clonedOptions = translateOptions(clonedOptions, options);
+
+ // Socket options
+ var socketOptions = options.socketOptions && Object.keys(options.socketOptions).length > 0
+ ? options.socketOptions : options;
+
+ // Translate all the options to the mongodb-core ones
+ clonedOptions = translateOptions(clonedOptions, socketOptions);
+ if(typeof clonedOptions.keepAlive == 'number') {
+ clonedOptions.keepAliveInitialDelay = clonedOptions.keepAlive;
+ clonedOptions.keepAlive = clonedOptions.keepAlive > 0;
+ }
+
+ // Build default client information
+ this.clientInfo = {
+ driver: {
+ name: "nodejs",
+ version: driverVersion
+ },
+ os: {
+ type: type,
+ name: name,
+ architecture: architecture,
+ version: release
+ },
+ platform: nodejsversion
+ }
+
+ // Build default client information
+ clonedOptions.clientInfo = this.clientInfo;
+ // Do we have an application specific string
+ if(options.appname) {
+ clonedOptions.clientInfo.application = { name: options.appname };
+ }
+
+ // Create an instance of a server instance from mongodb-core
+ var server = new CServer(clonedOptions);
+
+ // 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: clonedOptions.reconnect
+ // Emit error
+ , emitError: clonedOptions.emitError
+ // Pool size
+ , poolSize: clonedOptions.size
+ // Store Options
+ , storeOptions: storeOptions
+ // Store
+ , store: store
+ // Host
+ , host: host
+ // Port
+ , port: port
+ // Options
+ , options: options
+ }
+}
+
+inherits(Server, EventEmitter);
+
+var define = Server.define = new Define('Server', Server, false);
+
+// BSON property
+Object.defineProperty(Server.prototype, 'bson', {
+ enumerable: true, get: function() {
+ return this.s.server.s.bson;
+ }
+});
+
+// Last ismaster
+Object.defineProperty(Server.prototype, 'isMasterDoc', {
+ enumerable:true, get: function() {
+ return this.s.server.lastIsMaster();
+ }
+});
+
+Object.defineProperty(Server.prototype, 'parserType', {
+ enumerable:true, get: function() {
+ return this.s.server.parserType;
+ }
+});
+
+// Last ismaster
+Object.defineProperty(Server.prototype, 'poolSize', {
+ enumerable:true, get: function() { return this.s.server.connections().length; }
+});
+
+Object.defineProperty(Server.prototype, 'autoReconnect', {
+ enumerable:true, get: function() { return this.s.reconnect; }
+});
+
+Object.defineProperty(Server.prototype, 'host', {
+ enumerable:true, get: function() { return this.s.host; }
+});
+
+Object.defineProperty(Server.prototype, 'port', {
+ enumerable:true, get: function() { return this.s.port; }
+});
+
+// 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() {
+ 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() {
+ self.emit('reconnect', self);
+ self.s.store.execute();
+ }
+
+ // Reconnect failed
+ var reconnectFailedHandler = function(err) {
+ self.emit('reconnectFailed', err);
+ self.s.store.flush(err);
+ }
+
+ // 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", 'serverOpening', 'serverDescriptionChanged', 'serverHeartbeatStarted',
+ 'serverHeartbeatSucceeded', 'serverHeartbeatFailed', 'serverClosed', 'topologyOpening',
+ 'topologyClosed', 'topologyDescriptionChanged'].forEach(function(e) {
+ self.s.server.removeAllListeners(e);
+ });
+
+ // Set up listeners
+ self.s.server.on('timeout', errorHandler('timeout'));
+ self.s.server.once('error', errorHandler('error'));
+ self.s.server.on('close', errorHandler('close'));
+ // Only called on destroy
+ self.s.server.on('destroy', destroyHandler);
+
+ // relay the event
+ var relay = function(event) {
+ return function(t, server) {
+ self.emit(event, t, server);
+ }
+ }
+
+ // Set up SDAM listeners
+ self.s.server.on('serverDescriptionChanged', relay('serverDescriptionChanged'));
+ self.s.server.on('serverHeartbeatStarted', relay('serverHeartbeatStarted'));
+ self.s.server.on('serverHeartbeatSucceeded', relay('serverHeartbeatSucceeded'));
+ self.s.server.on('serverHeartbeatFailed', relay('serverHeartbeatFailed'));
+ self.s.server.on('serverOpening', relay('serverOpening'));
+ self.s.server.on('serverClosed', relay('serverClosed'));
+ self.s.server.on('topologyOpening', relay('topologyOpening'));
+ self.s.server.on('topologyClosed', relay('topologyClosed'));
+ self.s.server.on('topologyDescriptionChanged', relay('topologyDescriptionChanged'));
+ self.s.server.on('attemptReconnect', relay('attemptReconnect'));
+ self.s.server.on('monitoring', relay('monitoring'));
+
+ // Emit open event
+ self.emit('open', null, self);
+
+ // Return correctly
+ try {
+ callback(null, self);
+ } catch(err) {
+ console.log(err.stack)
+ process.nextTick(function() { throw err; })
+ }
+ }
+
+ // Set up listeners
+ var connectHandlers = {
+ timeout: connectErrorHandler('timeout'),
+ error: connectErrorHandler('error'),
+ close: connectErrorHandler('close')
+ };
+
+ // Add the event handlers
+ self.s.server.once('timeout', connectHandlers.timeout);
+ self.s.server.once('error', connectHandlers.error);
+ self.s.server.once('close', connectHandlers.close);
+ self.s.server.once('connect', connectHandler);
+ // Reconnect server
+ self.s.server.on('reconnect', reconnectHandler);
+ self.s.server.on('reconnectFailed', reconnectFailedHandler);
+
+ // Start connection
+ self.s.server.connect(_options);
+}
+
+// Server capabilities
+Server.prototype.capabilities = function() {
+ if(this.s.sCapabilities) return this.s.sCapabilities;
+ if(this.s.server.lastIsMaster() == null) return null;
+ this.s.sCapabilities = new ServerCapabilities(this.s.server.lastIsMaster());
+ return this.s.sCapabilities;
+}
+
+define.classMethod('capabilities', {callback: false, promise:false, returns: [ServerCapabilities]});
+
+// Command
+Server.prototype.command = function(ns, cmd, options, callback) {
+ this.s.server.command(ns, cmd, options, callback);
+}
+
+define.classMethod('command', {callback: true, promise:false});
+
+// Insert
+Server.prototype.insert = function(ns, ops, options, callback) {
+ this.s.server.insert(ns, ops, options, callback);
+}
+
+define.classMethod('insert', {callback: true, promise:false});
+
+// Update
+Server.prototype.update = function(ns, ops, options, callback) {
+ this.s.server.update(ns, ops, options, callback);
+}
+
+define.classMethod('update', {callback: true, promise:false});
+
+// Remove
+Server.prototype.remove = function(ns, ops, options, callback) {
+ this.s.server.remove(ns, ops, options, callback);
+}
+
+define.classMethod('remove', {callback: true, promise:false});
+
+// IsConnected
+Server.prototype.isConnected = function() {
+ return this.s.server.isConnected();
+}
+
+Server.prototype.isDestroyed = function() {
+ return this.s.server.isDestroyed();
+}
+
+define.classMethod('isConnected', {callback: false, promise:false, returns: [Boolean]});
+
+// Insert
+Server.prototype.cursor = function(ns, cmd, options) {
+ options.disconnectHandler = this.s.store;
+ return this.s.server.cursor(ns, cmd, options);
+}
+
+define.classMethod('cursor', {callback: false, promise:false, returns: [Cursor, AggregationCursor, CommandCursor]});
+
+Server.prototype.lastIsMaster = function() {
+ return this.s.server.lastIsMaster();
+}
+
+/**
+ * Unref all sockets
+ * @method
+ */
+Server.prototype.unref = function() {
+ this.s.server.unref();
+}
+
+Server.prototype.close = function(forceClosed) {
+ this.s.server.destroy();
+ // We need to wash out all stored processes
+ if(forceClosed == true) {
+ this.s.storeOptions.force = forceClosed;
+ this.s.store.flush();
+ }
+}
+
+define.classMethod('close', {callback: false, promise:false});
+
+Server.prototype.auth = function() {
+ var args = Array.prototype.slice.call(arguments, 0);
+ this.s.server.auth.apply(this.s.server, args);
+}
+
+define.classMethod('auth', {callback: true, promise:false});
+
+Server.prototype.logout = function() {
+ var args = Array.prototype.slice.call(arguments, 0);
+ this.s.server.logout.apply(this.s.server, args);
+}
+
+define.classMethod('logout', {callback: true, promise:false});
+
+/**
+ * All raw connections
+ * @method
+ * @return {array}
+ */
+Server.prototype.connections = function() {
+ return this.s.server.connections();
+}
+
+define.classMethod('connections', {callback: false, promise:false, returns:[Array]});
+
+/**
+ * Server connect event
+ *
+ * @event Server#connect
+ * @type {object}
+ */
+
+/**
+ * Server close event
+ *
+ * @event Server#close
+ * @type {object}
+ */
+
+/**
+ * Server reconnect event
+ *
+ * @event Server#reconnect
+ * @type {object}
+ */
+
+/**
+ * Server error event
+ *
+ * @event Server#error
+ * @type {MongoError}
+ */
+
+/**
+ * Server timeout event
+ *
+ * @event Server#timeout
+ * @type {object}
+ */
+
+/**
+ * Server parseError event
+ *
+ * @event Server#parseError
+ * @type {object}
+ */
+
+module.exports = Server;