From b60df56157ee1fd0bd4938799bac05a62fda91a1 Mon Sep 17 00:00:00 2001 From: lookshe Date: Sat, 14 Mar 2015 20:45:20 +0100 Subject: initial commit from working version --- .../node_modules/socket.io-client/lib/socket.js | 579 +++++++++++++++++++++ 1 file changed, 579 insertions(+) create mode 100644 signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/socket.js (limited to 'signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/socket.js') diff --git a/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/socket.js b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/socket.js new file mode 100644 index 0000000..1dd11e2 --- /dev/null +++ b/signaling-server/node_modules/socket.io/node_modules/socket.io-client/lib/socket.js @@ -0,0 +1,579 @@ +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + */ + + exports.Socket = Socket; + + /** + * Create a new `Socket.IO client` which can establish a persistent + * connection with a Socket.IO enabled server. + * + * @api public + */ + + function Socket (options) { + this.options = { + port: 80 + , secure: false + , document: 'document' in global ? document : false + , resource: 'socket.io' + , transports: io.transports + , 'connect timeout': 10000 + , 'try multiple transports': true + , 'reconnect': true + , 'reconnection delay': 500 + , 'reconnection limit': Infinity + , 'reopen delay': 3000 + , 'max reconnection attempts': 10 + , 'sync disconnect on unload': false + , 'auto connect': true + , 'flash policy port': 10843 + , 'manualFlush': false + }; + + io.util.merge(this.options, options); + + this.connected = false; + this.open = false; + this.connecting = false; + this.reconnecting = false; + this.namespaces = {}; + this.buffer = []; + this.doBuffer = false; + + if (this.options['sync disconnect on unload'] && + (!this.isXDomain() || io.util.ua.hasCORS)) { + var self = this; + io.util.on(global, 'beforeunload', function () { + self.disconnectSync(); + }, false); + } + + if (this.options['auto connect']) { + this.connect(); + } +}; + + /** + * Apply EventEmitter mixin. + */ + + io.util.mixin(Socket, io.EventEmitter); + + /** + * Returns a namespace listener/emitter for this socket + * + * @api public + */ + + Socket.prototype.of = function (name) { + if (!this.namespaces[name]) { + this.namespaces[name] = new io.SocketNamespace(this, name); + + if (name !== '') { + this.namespaces[name].packet({ type: 'connect' }); + } + } + + return this.namespaces[name]; + }; + + /** + * Emits the given event to the Socket and all namespaces + * + * @api private + */ + + Socket.prototype.publish = function () { + this.emit.apply(this, arguments); + + var nsp; + + for (var i in this.namespaces) { + if (this.namespaces.hasOwnProperty(i)) { + nsp = this.of(i); + nsp.$emit.apply(nsp, arguments); + } + } + }; + + /** + * Performs the handshake + * + * @api private + */ + + function empty () { }; + + Socket.prototype.handshake = function (fn) { + var self = this + , options = this.options; + + function complete (data) { + if (data instanceof Error) { + self.connecting = false; + self.onError(data.message); + } else { + fn.apply(null, data.split(':')); + } + }; + + var url = [ + 'http' + (options.secure ? 's' : '') + ':/' + , options.host + ':' + options.port + , options.resource + , io.protocol + , io.util.query(this.options.query, 't=' + +new Date) + ].join('/'); + + if (this.isXDomain() && !io.util.ua.hasCORS) { + var insertAt = document.getElementsByTagName('script')[0] + , script = document.createElement('script'); + + script.src = url + '&jsonp=' + io.j.length; + insertAt.parentNode.insertBefore(script, insertAt); + + io.j.push(function (data) { + complete(data); + script.parentNode.removeChild(script); + }); + } else { + var xhr = io.util.request(); + + xhr.open('GET', url, true); + if (this.isXDomain()) { + xhr.withCredentials = true; + } + xhr.onreadystatechange = function () { + if (xhr.readyState == 4) { + xhr.onreadystatechange = empty; + + if (xhr.status == 200) { + complete(xhr.responseText); + } else if (xhr.status == 403) { + self.onError(xhr.responseText); + } else { + self.connecting = false; + !self.reconnecting && self.onError(xhr.responseText); + } + } + }; + xhr.send(null); + } + }; + + /** + * Find an available transport based on the options supplied in the constructor. + * + * @api private + */ + + Socket.prototype.getTransport = function (override) { + var transports = override || this.transports, match; + + for (var i = 0, transport; transport = transports[i]; i++) { + if (io.Transport[transport] + && io.Transport[transport].check(this) + && (!this.isXDomain() || io.Transport[transport].xdomainCheck(this))) { + return new io.Transport[transport](this, this.sessionid); + } + } + + return null; + }; + + /** + * Connects to the server. + * + * @param {Function} [fn] Callback. + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.connect = function (fn) { + if (this.connecting) { + return this; + } + + var self = this; + self.connecting = true; + + this.handshake(function (sid, heartbeat, close, transports) { + self.sessionid = sid; + self.closeTimeout = close * 1000; + self.heartbeatTimeout = heartbeat * 1000; + if(!self.transports) + self.transports = self.origTransports = (transports ? io.util.intersect( + transports.split(',') + , self.options.transports + ) : self.options.transports); + + self.setHeartbeatTimeout(); + + function connect (transports){ + if (self.transport) self.transport.clearTimeouts(); + + self.transport = self.getTransport(transports); + if (!self.transport) return self.publish('connect_failed'); + + // once the transport is ready + self.transport.ready(self, function () { + self.connecting = true; + self.publish('connecting', self.transport.name); + self.transport.open(); + + if (self.options['connect timeout']) { + self.connectTimeoutTimer = setTimeout(function () { + if (!self.connected) { + self.connecting = false; + + if (self.options['try multiple transports']) { + var remaining = self.transports; + + while (remaining.length > 0 && remaining.splice(0,1)[0] != + self.transport.name) {} + + if (remaining.length){ + connect(remaining); + } else { + self.publish('connect_failed'); + } + } + } + }, self.options['connect timeout']); + } + }); + } + + connect(self.transports); + + self.once('connect', function (){ + clearTimeout(self.connectTimeoutTimer); + + fn && typeof fn == 'function' && fn(); + }); + }); + + return this; + }; + + /** + * Clears and sets a new heartbeat timeout using the value given by the + * server during the handshake. + * + * @api private + */ + + Socket.prototype.setHeartbeatTimeout = function () { + clearTimeout(this.heartbeatTimeoutTimer); + if(this.transport && !this.transport.heartbeats()) return; + + var self = this; + this.heartbeatTimeoutTimer = setTimeout(function () { + self.transport.onClose(); + }, this.heartbeatTimeout); + }; + + /** + * Sends a message. + * + * @param {Object} data packet. + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.packet = function (data) { + if (this.connected && !this.doBuffer) { + this.transport.packet(data); + } else { + this.buffer.push(data); + } + + return this; + }; + + /** + * Sets buffer state + * + * @api private + */ + + Socket.prototype.setBuffer = function (v) { + this.doBuffer = v; + + if (!v && this.connected && this.buffer.length) { + if (!this.options['manualFlush']) { + this.flushBuffer(); + } + } + }; + + /** + * Flushes the buffer data over the wire. + * To be invoked manually when 'manualFlush' is set to true. + * + * @api public + */ + + Socket.prototype.flushBuffer = function() { + this.transport.payload(this.buffer); + this.buffer = []; + }; + + + /** + * Disconnect the established connect. + * + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.disconnect = function () { + if (this.connected || this.connecting) { + if (this.open) { + this.of('').packet({ type: 'disconnect' }); + } + + // handle disconnection immediately + this.onDisconnect('booted'); + } + + return this; + }; + + /** + * Disconnects the socket with a sync XHR. + * + * @api private + */ + + Socket.prototype.disconnectSync = function () { + // ensure disconnection + var xhr = io.util.request(); + var uri = [ + 'http' + (this.options.secure ? 's' : '') + ':/' + , this.options.host + ':' + this.options.port + , this.options.resource + , io.protocol + , '' + , this.sessionid + ].join('/') + '/?disconnect=1'; + + xhr.open('GET', uri, false); + xhr.send(null); + + // handle disconnection immediately + this.onDisconnect('booted'); + }; + + /** + * Check if we need to use cross domain enabled transports. Cross domain would + * be a different port or different domain name. + * + * @returns {Boolean} + * @api private + */ + + Socket.prototype.isXDomain = function () { + // if node + return false; + // end node + + var port = global.location.port || + ('https:' == global.location.protocol ? 443 : 80); + + return this.options.host !== global.location.hostname + || this.options.port != port; + }; + + /** + * Called upon handshake. + * + * @api private + */ + + Socket.prototype.onConnect = function () { + if (!this.connected) { + this.connected = true; + this.connecting = false; + if (!this.doBuffer) { + // make sure to flush the buffer + this.setBuffer(false); + } + this.emit('connect'); + } + }; + + /** + * Called when the transport opens + * + * @api private + */ + + Socket.prototype.onOpen = function () { + this.open = true; + }; + + /** + * Called when the transport closes. + * + * @api private + */ + + Socket.prototype.onClose = function () { + this.open = false; + clearTimeout(this.heartbeatTimeoutTimer); + }; + + /** + * Called when the transport first opens a connection + * + * @param text + */ + + Socket.prototype.onPacket = function (packet) { + this.of(packet.endpoint).onPacket(packet); + }; + + /** + * Handles an error. + * + * @api private + */ + + Socket.prototype.onError = function (err) { + if (err && err.advice) { + if (err.advice === 'reconnect' && (this.connected || this.connecting)) { + this.disconnect(); + if (this.options.reconnect) { + this.reconnect(); + } + } + } + + this.publish('error', err && err.reason ? err.reason : err); + }; + + /** + * Called when the transport disconnects. + * + * @api private + */ + + Socket.prototype.onDisconnect = function (reason) { + var wasConnected = this.connected + , wasConnecting = this.connecting; + + this.connected = false; + this.connecting = false; + this.open = false; + + if (wasConnected || wasConnecting) { + this.transport.close(); + this.transport.clearTimeouts(); + if (wasConnected) { + this.publish('disconnect', reason); + + if ('booted' != reason && this.options.reconnect && !this.reconnecting) { + this.reconnect(); + } + } + } + }; + + /** + * Called upon reconnection. + * + * @api private + */ + + Socket.prototype.reconnect = function () { + this.reconnecting = true; + this.reconnectionAttempts = 0; + this.reconnectionDelay = this.options['reconnection delay']; + + var self = this + , maxAttempts = this.options['max reconnection attempts'] + , tryMultiple = this.options['try multiple transports'] + , limit = this.options['reconnection limit']; + + function reset () { + if (self.connected) { + for (var i in self.namespaces) { + if (self.namespaces.hasOwnProperty(i) && '' !== i) { + self.namespaces[i].packet({ type: 'connect' }); + } + } + self.publish('reconnect', self.transport.name, self.reconnectionAttempts); + } + + clearTimeout(self.reconnectionTimer); + + self.removeListener('connect_failed', maybeReconnect); + self.removeListener('connect', maybeReconnect); + + self.reconnecting = false; + + delete self.reconnectionAttempts; + delete self.reconnectionDelay; + delete self.reconnectionTimer; + delete self.redoTransports; + + self.options['try multiple transports'] = tryMultiple; + }; + + function maybeReconnect () { + if (!self.reconnecting) { + return; + } + + if (self.connected) { + return reset(); + }; + + if (self.connecting && self.reconnecting) { + return self.reconnectionTimer = setTimeout(maybeReconnect, 1000); + } + + if (self.reconnectionAttempts++ >= maxAttempts) { + if (!self.redoTransports) { + self.on('connect_failed', maybeReconnect); + self.options['try multiple transports'] = true; + self.transports = self.origTransports; + self.transport = self.getTransport(); + self.redoTransports = true; + self.connect(); + } else { + self.publish('reconnect_failed'); + reset(); + } + } else { + if (self.reconnectionDelay < limit) { + self.reconnectionDelay *= 2; // exponential back off + } + + self.connect(); + self.publish('reconnecting', self.reconnectionDelay, self.reconnectionAttempts); + self.reconnectionTimer = setTimeout(maybeReconnect, self.reconnectionDelay); + } + }; + + this.options['try multiple transports'] = false; + this.reconnectionTimer = setTimeout(maybeReconnect, this.reconnectionDelay); + + this.on('connect', maybeReconnect); + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); -- cgit v1.2.3