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Diffstat (limited to 'common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/server.js')
-rw-r--r-- | common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/server.js | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/server.js b/common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/server.js new file mode 100644 index 00000000..2fc17dad --- /dev/null +++ b/common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/server.js @@ -0,0 +1,511 @@ +"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; 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