mirror of
https://github.com/owenlejeune/AirHockey.git
synced 2025-11-19 05:50:53 -05:00
first commit
This commit is contained in:
Owen LeJeune
252
node_modules/socket.io/lib/client.js
generated
vendored
Normal file
252
node_modules/socket.io/lib/client.js
generated
vendored
Normal file
@@ -0,0 +1,252 @@
|
||||
|
||||
/**
|
||||
* Module dependencies.
|
||||
*/
|
||||
|
||||
var parser = require('socket.io-parser');
|
||||
var debug = require('debug')('socket.io:client');
|
||||
var url = require('url');
|
||||
|
||||
/**
|
||||
* Module exports.
|
||||
*/
|
||||
|
||||
module.exports = Client;
|
||||
|
||||
/**
|
||||
* Client constructor.
|
||||
*
|
||||
* @param {Server} server instance
|
||||
* @param {Socket} conn
|
||||
* @api private
|
||||
*/
|
||||
|
||||
function Client(server, conn){
|
||||
this.server = server;
|
||||
this.conn = conn;
|
||||
this.encoder = server.encoder;
|
||||
this.decoder = new server.parser.Decoder();
|
||||
this.id = conn.id;
|
||||
this.request = conn.request;
|
||||
this.setup();
|
||||
this.sockets = {};
|
||||
this.nsps = {};
|
||||
this.connectBuffer = [];
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets up event listeners.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.setup = function(){
|
||||
this.onclose = this.onclose.bind(this);
|
||||
this.ondata = this.ondata.bind(this);
|
||||
this.onerror = this.onerror.bind(this);
|
||||
this.ondecoded = this.ondecoded.bind(this);
|
||||
|
||||
this.decoder.on('decoded', this.ondecoded);
|
||||
this.conn.on('data', this.ondata);
|
||||
this.conn.on('error', this.onerror);
|
||||
this.conn.on('close', this.onclose);
|
||||
};
|
||||
|
||||
/**
|
||||
* Connects a client to a namespace.
|
||||
*
|
||||
* @param {String} name namespace
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.connect = function(name, query){
|
||||
debug('connecting to namespace %s', name);
|
||||
var nsp = this.server.nsps[name];
|
||||
if (!nsp) {
|
||||
this.packet({ type: parser.ERROR, nsp: name, data : 'Invalid namespace'});
|
||||
return;
|
||||
}
|
||||
|
||||
if ('/' != name && !this.nsps['/']) {
|
||||
this.connectBuffer.push(name);
|
||||
return;
|
||||
}
|
||||
|
||||
var self = this;
|
||||
var socket = nsp.add(this, query, function(){
|
||||
self.sockets[socket.id] = socket;
|
||||
self.nsps[nsp.name] = socket;
|
||||
|
||||
if ('/' == nsp.name && self.connectBuffer.length > 0) {
|
||||
self.connectBuffer.forEach(self.connect, self);
|
||||
self.connectBuffer = [];
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
/**
|
||||
* Disconnects from all namespaces and closes transport.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.disconnect = function(){
|
||||
for (var id in this.sockets) {
|
||||
if (this.sockets.hasOwnProperty(id)) {
|
||||
this.sockets[id].disconnect();
|
||||
}
|
||||
}
|
||||
this.sockets = {};
|
||||
this.close();
|
||||
};
|
||||
|
||||
/**
|
||||
* Removes a socket. Called by each `Socket`.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.remove = function(socket){
|
||||
if (this.sockets.hasOwnProperty(socket.id)) {
|
||||
var nsp = this.sockets[socket.id].nsp.name;
|
||||
delete this.sockets[socket.id];
|
||||
delete this.nsps[nsp];
|
||||
} else {
|
||||
debug('ignoring remove for %s', socket.id);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Closes the underlying connection.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.close = function(){
|
||||
if ('open' == this.conn.readyState) {
|
||||
debug('forcing transport close');
|
||||
this.conn.close();
|
||||
this.onclose('forced server close');
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Writes a packet to the transport.
|
||||
*
|
||||
* @param {Object} packet object
|
||||
* @param {Object} opts
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.packet = function(packet, opts){
|
||||
opts = opts || {};
|
||||
var self = this;
|
||||
|
||||
// this writes to the actual connection
|
||||
function writeToEngine(encodedPackets) {
|
||||
if (opts.volatile && !self.conn.transport.writable) return;
|
||||
for (var i = 0; i < encodedPackets.length; i++) {
|
||||
self.conn.write(encodedPackets[i], { compress: opts.compress });
|
||||
}
|
||||
}
|
||||
|
||||
if ('open' == this.conn.readyState) {
|
||||
debug('writing packet %j', packet);
|
||||
if (!opts.preEncoded) { // not broadcasting, need to encode
|
||||
this.encoder.encode(packet, writeToEngine); // encode, then write results to engine
|
||||
} else { // a broadcast pre-encodes a packet
|
||||
writeToEngine(packet);
|
||||
}
|
||||
} else {
|
||||
debug('ignoring packet write %j', packet);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Called with incoming transport data.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.ondata = function(data){
|
||||
// try/catch is needed for protocol violations (GH-1880)
|
||||
try {
|
||||
this.decoder.add(data);
|
||||
} catch(e) {
|
||||
this.onerror(e);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Called when parser fully decodes a packet.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.ondecoded = function(packet) {
|
||||
if (parser.CONNECT == packet.type) {
|
||||
this.connect(url.parse(packet.nsp).pathname, url.parse(packet.nsp, true).query);
|
||||
} else {
|
||||
var socket = this.nsps[packet.nsp];
|
||||
if (socket) {
|
||||
process.nextTick(function() {
|
||||
socket.onpacket(packet);
|
||||
});
|
||||
} else {
|
||||
debug('no socket for namespace %s', packet.nsp);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Handles an error.
|
||||
*
|
||||
* @param {Object} err object
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.onerror = function(err){
|
||||
for (var id in this.sockets) {
|
||||
if (this.sockets.hasOwnProperty(id)) {
|
||||
this.sockets[id].onerror(err);
|
||||
}
|
||||
}
|
||||
this.conn.close();
|
||||
};
|
||||
|
||||
/**
|
||||
* Called upon transport close.
|
||||
*
|
||||
* @param {String} reason
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.onclose = function(reason){
|
||||
debug('client close with reason %s', reason);
|
||||
|
||||
// ignore a potential subsequent `close` event
|
||||
this.destroy();
|
||||
|
||||
// `nsps` and `sockets` are cleaned up seamlessly
|
||||
for (var id in this.sockets) {
|
||||
if (this.sockets.hasOwnProperty(id)) {
|
||||
this.sockets[id].onclose(reason);
|
||||
}
|
||||
}
|
||||
this.sockets = {};
|
||||
|
||||
this.decoder.destroy(); // clean up decoder
|
||||
};
|
||||
|
||||
/**
|
||||
* Cleans up event listeners.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Client.prototype.destroy = function(){
|
||||
this.conn.removeListener('data', this.ondata);
|
||||
this.conn.removeListener('error', this.onerror);
|
||||
this.conn.removeListener('close', this.onclose);
|
||||
this.decoder.removeListener('decoded', this.ondecoded);
|
||||
};
|
||||
474
node_modules/socket.io/lib/index.js
generated
vendored
Normal file
474
node_modules/socket.io/lib/index.js
generated
vendored
Normal file
@@ -0,0 +1,474 @@
|
||||
|
||||
/**
|
||||
* Module dependencies.
|
||||
*/
|
||||
|
||||
var http = require('http');
|
||||
var read = require('fs').readFileSync;
|
||||
var path = require('path');
|
||||
var exists = require('fs').existsSync;
|
||||
var engine = require('engine.io');
|
||||
var clientVersion = require('socket.io-client/package.json').version;
|
||||
var Client = require('./client');
|
||||
var Emitter = require('events').EventEmitter;
|
||||
var Namespace = require('./namespace');
|
||||
var Adapter = require('socket.io-adapter');
|
||||
var parser = require('socket.io-parser');
|
||||
var debug = require('debug')('socket.io:server');
|
||||
var url = require('url');
|
||||
|
||||
/**
|
||||
* Module exports.
|
||||
*/
|
||||
|
||||
module.exports = Server;
|
||||
|
||||
/**
|
||||
* Socket.IO client source.
|
||||
*/
|
||||
|
||||
var clientSource = undefined;
|
||||
var clientSourceMap = undefined;
|
||||
|
||||
/**
|
||||
* Server constructor.
|
||||
*
|
||||
* @param {http.Server|Number|Object} srv http server, port or options
|
||||
* @param {Object} [opts]
|
||||
* @api public
|
||||
*/
|
||||
|
||||
function Server(srv, opts){
|
||||
if (!(this instanceof Server)) return new Server(srv, opts);
|
||||
if ('object' == typeof srv && srv instanceof Object && !srv.listen) {
|
||||
opts = srv;
|
||||
srv = null;
|
||||
}
|
||||
opts = opts || {};
|
||||
this.nsps = {};
|
||||
this.path(opts.path || '/socket.io');
|
||||
this.serveClient(false !== opts.serveClient);
|
||||
this.parser = opts.parser || parser;
|
||||
this.encoder = new this.parser.Encoder();
|
||||
this.adapter(opts.adapter || Adapter);
|
||||
this.origins(opts.origins || '*:*');
|
||||
this.sockets = this.of('/');
|
||||
if (srv) this.attach(srv, opts);
|
||||
}
|
||||
|
||||
/**
|
||||
* Server request verification function, that checks for allowed origins
|
||||
*
|
||||
* @param {http.IncomingMessage} req request
|
||||
* @param {Function} fn callback to be called with the result: `fn(err, success)`
|
||||
*/
|
||||
|
||||
Server.prototype.checkRequest = function(req, fn) {
|
||||
var origin = req.headers.origin || req.headers.referer;
|
||||
|
||||
// file:// URLs produce a null Origin which can't be authorized via echo-back
|
||||
if ('null' == origin || null == origin) origin = '*';
|
||||
|
||||
if (!!origin && typeof(this._origins) == 'function') return this._origins(origin, fn);
|
||||
if (this._origins.indexOf('*:*') !== -1) return fn(null, true);
|
||||
if (origin) {
|
||||
try {
|
||||
var parts = url.parse(origin);
|
||||
var defaultPort = 'https:' == parts.protocol ? 443 : 80;
|
||||
parts.port = parts.port != null
|
||||
? parts.port
|
||||
: defaultPort;
|
||||
var ok =
|
||||
~this._origins.indexOf(parts.hostname + ':' + parts.port) ||
|
||||
~this._origins.indexOf(parts.hostname + ':*') ||
|
||||
~this._origins.indexOf('*:' + parts.port);
|
||||
return fn(null, !!ok);
|
||||
} catch (ex) {
|
||||
}
|
||||
}
|
||||
fn(null, false);
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets/gets whether client code is being served.
|
||||
*
|
||||
* @param {Boolean} v whether to serve client code
|
||||
* @return {Server|Boolean} self when setting or value when getting
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.serveClient = function(v){
|
||||
if (!arguments.length) return this._serveClient;
|
||||
this._serveClient = v;
|
||||
var resolvePath = function(file){
|
||||
var filepath = path.resolve(__dirname, './../../', file);
|
||||
if (exists(filepath)) {
|
||||
return filepath;
|
||||
}
|
||||
return require.resolve(file);
|
||||
};
|
||||
if (v && !clientSource) {
|
||||
clientSource = read(resolvePath( 'socket.io-client/dist/socket.io.js'), 'utf-8');
|
||||
try {
|
||||
clientSourceMap = read(resolvePath( 'socket.io-client/dist/socket.io.js.map'), 'utf-8');
|
||||
} catch(err) {
|
||||
debug('could not load sourcemap file');
|
||||
}
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Old settings for backwards compatibility
|
||||
*/
|
||||
|
||||
var oldSettings = {
|
||||
"transports": "transports",
|
||||
"heartbeat timeout": "pingTimeout",
|
||||
"heartbeat interval": "pingInterval",
|
||||
"destroy buffer size": "maxHttpBufferSize"
|
||||
};
|
||||
|
||||
/**
|
||||
* Backwards compatibility.
|
||||
*
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.set = function(key, val){
|
||||
if ('authorization' == key && val) {
|
||||
this.use(function(socket, next) {
|
||||
val(socket.request, function(err, authorized) {
|
||||
if (err) return next(new Error(err));
|
||||
if (!authorized) return next(new Error('Not authorized'));
|
||||
next();
|
||||
});
|
||||
});
|
||||
} else if ('origins' == key && val) {
|
||||
this.origins(val);
|
||||
} else if ('resource' == key) {
|
||||
this.path(val);
|
||||
} else if (oldSettings[key] && this.eio[oldSettings[key]]) {
|
||||
this.eio[oldSettings[key]] = val;
|
||||
} else {
|
||||
console.error('Option %s is not valid. Please refer to the README.', key);
|
||||
}
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets the client serving path.
|
||||
*
|
||||
* @param {String} v pathname
|
||||
* @return {Server|String} self when setting or value when getting
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.path = function(v){
|
||||
if (!arguments.length) return this._path;
|
||||
this._path = v.replace(/\/$/, '');
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets the adapter for rooms.
|
||||
*
|
||||
* @param {Adapter} v pathname
|
||||
* @return {Server|Adapter} self when setting or value when getting
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.adapter = function(v){
|
||||
if (!arguments.length) return this._adapter;
|
||||
this._adapter = v;
|
||||
for (var i in this.nsps) {
|
||||
if (this.nsps.hasOwnProperty(i)) {
|
||||
this.nsps[i].initAdapter();
|
||||
}
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets the allowed origins for requests.
|
||||
*
|
||||
* @param {String} v origins
|
||||
* @return {Server|Adapter} self when setting or value when getting
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.origins = function(v){
|
||||
if (!arguments.length) return this._origins;
|
||||
|
||||
this._origins = v;
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Attaches socket.io to a server or port.
|
||||
*
|
||||
* @param {http.Server|Number} server or port
|
||||
* @param {Object} options passed to engine.io
|
||||
* @return {Server} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.listen =
|
||||
Server.prototype.attach = function(srv, opts){
|
||||
if ('function' == typeof srv) {
|
||||
var msg = 'You are trying to attach socket.io to an express ' +
|
||||
'request handler function. Please pass a http.Server instance.';
|
||||
throw new Error(msg);
|
||||
}
|
||||
|
||||
// handle a port as a string
|
||||
if (Number(srv) == srv) {
|
||||
srv = Number(srv);
|
||||
}
|
||||
|
||||
if ('number' == typeof srv) {
|
||||
debug('creating http server and binding to %d', srv);
|
||||
var port = srv;
|
||||
srv = http.Server(function(req, res){
|
||||
res.writeHead(404);
|
||||
res.end();
|
||||
});
|
||||
srv.listen(port);
|
||||
|
||||
}
|
||||
|
||||
// set engine.io path to `/socket.io`
|
||||
opts = opts || {};
|
||||
opts.path = opts.path || this.path();
|
||||
// set origins verification
|
||||
opts.allowRequest = opts.allowRequest || this.checkRequest.bind(this);
|
||||
|
||||
if (this.sockets.fns.length > 0) {
|
||||
this.initEngine(srv, opts);
|
||||
return this;
|
||||
}
|
||||
|
||||
var self = this;
|
||||
var connectPacket = { type: parser.CONNECT, nsp: '/' };
|
||||
this.encoder.encode(connectPacket, function (encodedPacket){
|
||||
// the CONNECT packet will be merged with Engine.IO handshake,
|
||||
// to reduce the number of round trips
|
||||
opts.initialPacket = encodedPacket;
|
||||
|
||||
self.initEngine(srv, opts);
|
||||
});
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Initialize engine
|
||||
*
|
||||
* @param {Object} options passed to engine.io
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Server.prototype.initEngine = function(srv, opts){
|
||||
// initialize engine
|
||||
debug('creating engine.io instance with opts %j', opts);
|
||||
this.eio = engine.attach(srv, opts);
|
||||
|
||||
// attach static file serving
|
||||
if (this._serveClient) this.attachServe(srv);
|
||||
|
||||
// Export http server
|
||||
this.httpServer = srv;
|
||||
|
||||
// bind to engine events
|
||||
this.bind(this.eio);
|
||||
};
|
||||
|
||||
/**
|
||||
* Attaches the static file serving.
|
||||
*
|
||||
* @param {Function|http.Server} srv http server
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Server.prototype.attachServe = function(srv){
|
||||
debug('attaching client serving req handler');
|
||||
var url = this._path + '/socket.io.js';
|
||||
var urlMap = this._path + '/socket.io.js.map';
|
||||
var evs = srv.listeners('request').slice(0);
|
||||
var self = this;
|
||||
srv.removeAllListeners('request');
|
||||
srv.on('request', function(req, res) {
|
||||
if (0 === req.url.indexOf(urlMap)) {
|
||||
self.serveMap(req, res);
|
||||
} else if (0 === req.url.indexOf(url)) {
|
||||
self.serve(req, res);
|
||||
} else {
|
||||
for (var i = 0; i < evs.length; i++) {
|
||||
evs[i].call(srv, req, res);
|
||||
}
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
/**
|
||||
* Handles a request serving `/socket.io.js`
|
||||
*
|
||||
* @param {http.Request} req
|
||||
* @param {http.Response} res
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Server.prototype.serve = function(req, res){
|
||||
// Per the standard, ETags must be quoted:
|
||||
// https://tools.ietf.org/html/rfc7232#section-2.3
|
||||
var expectedEtag = '"' + clientVersion + '"';
|
||||
|
||||
var etag = req.headers['if-none-match'];
|
||||
if (etag) {
|
||||
if (expectedEtag == etag) {
|
||||
debug('serve client 304');
|
||||
res.writeHead(304);
|
||||
res.end();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
debug('serve client source');
|
||||
res.setHeader('Content-Type', 'application/javascript');
|
||||
res.setHeader('ETag', expectedEtag);
|
||||
res.writeHead(200);
|
||||
res.end(clientSource);
|
||||
};
|
||||
|
||||
/**
|
||||
* Handles a request serving `/socket.io.js.map`
|
||||
*
|
||||
* @param {http.Request} req
|
||||
* @param {http.Response} res
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Server.prototype.serveMap = function(req, res){
|
||||
// Per the standard, ETags must be quoted:
|
||||
// https://tools.ietf.org/html/rfc7232#section-2.3
|
||||
var expectedEtag = '"' + clientVersion + '"';
|
||||
|
||||
var etag = req.headers['if-none-match'];
|
||||
if (etag) {
|
||||
if (expectedEtag == etag) {
|
||||
debug('serve client 304');
|
||||
res.writeHead(304);
|
||||
res.end();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
debug('serve client sourcemap');
|
||||
res.setHeader('Content-Type', 'application/json');
|
||||
res.setHeader('ETag', expectedEtag);
|
||||
res.writeHead(200);
|
||||
res.end(clientSourceMap);
|
||||
};
|
||||
|
||||
/**
|
||||
* Binds socket.io to an engine.io instance.
|
||||
*
|
||||
* @param {engine.Server} engine engine.io (or compatible) server
|
||||
* @return {Server} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.bind = function(engine){
|
||||
this.engine = engine;
|
||||
this.engine.on('connection', this.onconnection.bind(this));
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Called with each incoming transport connection.
|
||||
*
|
||||
* @param {engine.Socket} conn
|
||||
* @return {Server} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.onconnection = function(conn){
|
||||
debug('incoming connection with id %s', conn.id);
|
||||
var client = new Client(this, conn);
|
||||
client.connect('/');
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Looks up a namespace.
|
||||
*
|
||||
* @param {String} name nsp name
|
||||
* @param {Function} [fn] optional, nsp `connection` ev handler
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.of = function(name, fn){
|
||||
if (String(name)[0] !== '/') name = '/' + name;
|
||||
|
||||
var nsp = this.nsps[name];
|
||||
if (!nsp) {
|
||||
debug('initializing namespace %s', name);
|
||||
nsp = new Namespace(this, name);
|
||||
this.nsps[name] = nsp;
|
||||
}
|
||||
if (fn) nsp.on('connect', fn);
|
||||
return nsp;
|
||||
};
|
||||
|
||||
/**
|
||||
* Closes server connection
|
||||
*
|
||||
* @param {Function} [fn] optional, called as `fn([err])` on error OR all conns closed
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Server.prototype.close = function(fn){
|
||||
for (var id in this.nsps['/'].sockets) {
|
||||
if (this.nsps['/'].sockets.hasOwnProperty(id)) {
|
||||
this.nsps['/'].sockets[id].onclose();
|
||||
}
|
||||
}
|
||||
|
||||
this.engine.close();
|
||||
|
||||
if (this.httpServer) {
|
||||
this.httpServer.close(fn);
|
||||
} else {
|
||||
fn && fn();
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Expose main namespace (/).
|
||||
*/
|
||||
|
||||
var emitterMethods = Object.keys(Emitter.prototype).filter(function(key){
|
||||
return typeof Emitter.prototype[key] === 'function';
|
||||
});
|
||||
|
||||
emitterMethods.concat(['to', 'in', 'use', 'send', 'write', 'clients', 'compress']).forEach(function(fn){
|
||||
Server.prototype[fn] = function(){
|
||||
return this.sockets[fn].apply(this.sockets, arguments);
|
||||
};
|
||||
});
|
||||
|
||||
Namespace.flags.forEach(function(flag){
|
||||
Object.defineProperty(Server.prototype, flag, {
|
||||
get: function() {
|
||||
this.sockets.flags = this.sockets.flags || {};
|
||||
this.sockets.flags[flag] = true;
|
||||
return this;
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
/**
|
||||
* BC with `io.listen`
|
||||
*/
|
||||
|
||||
Server.listen = Server;
|
||||
279
node_modules/socket.io/lib/namespace.js
generated
vendored
Normal file
279
node_modules/socket.io/lib/namespace.js
generated
vendored
Normal file
@@ -0,0 +1,279 @@
|
||||
|
||||
/**
|
||||
* Module dependencies.
|
||||
*/
|
||||
|
||||
var Socket = require('./socket');
|
||||
var Emitter = require('events').EventEmitter;
|
||||
var parser = require('socket.io-parser');
|
||||
var debug = require('debug')('socket.io:namespace');
|
||||
|
||||
/**
|
||||
* Module exports.
|
||||
*/
|
||||
|
||||
module.exports = exports = Namespace;
|
||||
|
||||
/**
|
||||
* Blacklisted events.
|
||||
*/
|
||||
|
||||
exports.events = [
|
||||
'connect', // for symmetry with client
|
||||
'connection',
|
||||
'newListener'
|
||||
];
|
||||
|
||||
/**
|
||||
* Flags.
|
||||
*/
|
||||
|
||||
exports.flags = [
|
||||
'json',
|
||||
'volatile',
|
||||
'local'
|
||||
];
|
||||
|
||||
/**
|
||||
* `EventEmitter#emit` reference.
|
||||
*/
|
||||
|
||||
var emit = Emitter.prototype.emit;
|
||||
|
||||
/**
|
||||
* Namespace constructor.
|
||||
*
|
||||
* @param {Server} server instance
|
||||
* @param {Socket} name
|
||||
* @api private
|
||||
*/
|
||||
|
||||
function Namespace(server, name){
|
||||
this.name = name;
|
||||
this.server = server;
|
||||
this.sockets = {};
|
||||
this.connected = {};
|
||||
this.fns = [];
|
||||
this.ids = 0;
|
||||
this.rooms = [];
|
||||
this.flags = {};
|
||||
this.initAdapter();
|
||||
}
|
||||
|
||||
/**
|
||||
* Inherits from `EventEmitter`.
|
||||
*/
|
||||
|
||||
Namespace.prototype.__proto__ = Emitter.prototype;
|
||||
|
||||
/**
|
||||
* Apply flags from `Socket`.
|
||||
*/
|
||||
|
||||
exports.flags.forEach(function(flag){
|
||||
Object.defineProperty(Namespace.prototype, flag, {
|
||||
get: function() {
|
||||
this.flags[flag] = true;
|
||||
return this;
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
/**
|
||||
* Initializes the `Adapter` for this nsp.
|
||||
* Run upon changing adapter by `Server#adapter`
|
||||
* in addition to the constructor.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Namespace.prototype.initAdapter = function(){
|
||||
this.adapter = new (this.server.adapter())(this);
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets up namespace middleware.
|
||||
*
|
||||
* @return {Namespace} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Namespace.prototype.use = function(fn){
|
||||
if (this.server.eio) {
|
||||
debug('removing initial packet');
|
||||
delete this.server.eio.initialPacket;
|
||||
}
|
||||
this.fns.push(fn);
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Executes the middleware for an incoming client.
|
||||
*
|
||||
* @param {Socket} socket that will get added
|
||||
* @param {Function} fn last fn call in the middleware
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Namespace.prototype.run = function(socket, fn){
|
||||
var fns = this.fns.slice(0);
|
||||
if (!fns.length) return fn(null);
|
||||
|
||||
function run(i){
|
||||
fns[i](socket, function(err){
|
||||
// upon error, short-circuit
|
||||
if (err) return fn(err);
|
||||
|
||||
// if no middleware left, summon callback
|
||||
if (!fns[i + 1]) return fn(null);
|
||||
|
||||
// go on to next
|
||||
run(i + 1);
|
||||
});
|
||||
}
|
||||
|
||||
run(0);
|
||||
};
|
||||
|
||||
/**
|
||||
* Targets a room when emitting.
|
||||
*
|
||||
* @param {String} name
|
||||
* @return {Namespace} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Namespace.prototype.to =
|
||||
Namespace.prototype.in = function(name){
|
||||
if (!~this.rooms.indexOf(name)) this.rooms.push(name);
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Adds a new client.
|
||||
*
|
||||
* @return {Socket}
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Namespace.prototype.add = function(client, query, fn){
|
||||
debug('adding socket to nsp %s', this.name);
|
||||
var socket = new Socket(this, client, query);
|
||||
var self = this;
|
||||
this.run(socket, function(err){
|
||||
process.nextTick(function(){
|
||||
if ('open' == client.conn.readyState) {
|
||||
if (err) return socket.error(err.data || err.message);
|
||||
|
||||
// track socket
|
||||
self.sockets[socket.id] = socket;
|
||||
|
||||
// it's paramount that the internal `onconnect` logic
|
||||
// fires before user-set events to prevent state order
|
||||
// violations (such as a disconnection before the connection
|
||||
// logic is complete)
|
||||
socket.onconnect();
|
||||
if (fn) fn();
|
||||
|
||||
// fire user-set events
|
||||
self.emit('connect', socket);
|
||||
self.emit('connection', socket);
|
||||
} else {
|
||||
debug('next called after client was closed - ignoring socket');
|
||||
}
|
||||
});
|
||||
});
|
||||
return socket;
|
||||
};
|
||||
|
||||
/**
|
||||
* Removes a client. Called by each `Socket`.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Namespace.prototype.remove = function(socket){
|
||||
if (this.sockets.hasOwnProperty(socket.id)) {
|
||||
delete this.sockets[socket.id];
|
||||
} else {
|
||||
debug('ignoring remove for %s', socket.id);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Emits to all clients.
|
||||
*
|
||||
* @return {Namespace} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Namespace.prototype.emit = function(ev){
|
||||
if (~exports.events.indexOf(ev)) {
|
||||
emit.apply(this, arguments);
|
||||
return this;
|
||||
}
|
||||
// set up packet object
|
||||
var args = Array.prototype.slice.call(arguments);
|
||||
var packet = { type: parser.EVENT, data: args };
|
||||
|
||||
if ('function' == typeof args[args.length - 1]) {
|
||||
throw new Error('Callbacks are not supported when broadcasting');
|
||||
}
|
||||
|
||||
var rooms = this.rooms.slice(0);
|
||||
var flags = Object.assign({}, this.flags);
|
||||
|
||||
// reset flags
|
||||
this.rooms = [];
|
||||
this.flags = {};
|
||||
|
||||
this.adapter.broadcast(packet, {
|
||||
rooms: rooms,
|
||||
flags: flags
|
||||
});
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Sends a `message` event to all clients.
|
||||
*
|
||||
* @return {Namespace} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Namespace.prototype.send =
|
||||
Namespace.prototype.write = function(){
|
||||
var args = Array.prototype.slice.call(arguments);
|
||||
args.unshift('message');
|
||||
this.emit.apply(this, args);
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Gets a list of clients.
|
||||
*
|
||||
* @return {Namespace} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Namespace.prototype.clients = function(fn){
|
||||
this.adapter.clients(this.rooms, fn);
|
||||
// reset rooms for scenario:
|
||||
// .in('room').clients() (GH-1978)
|
||||
this.rooms = [];
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets the compress flag.
|
||||
*
|
||||
* @param {Boolean} compress if `true`, compresses the sending data
|
||||
* @return {Socket} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Namespace.prototype.compress = function(compress){
|
||||
this.flags.compress = compress;
|
||||
return this;
|
||||
};
|
||||
557
node_modules/socket.io/lib/socket.js
generated
vendored
Normal file
557
node_modules/socket.io/lib/socket.js
generated
vendored
Normal file
@@ -0,0 +1,557 @@
|
||||
|
||||
/**
|
||||
* Module dependencies.
|
||||
*/
|
||||
|
||||
var Emitter = require('events').EventEmitter;
|
||||
var parser = require('socket.io-parser');
|
||||
var url = require('url');
|
||||
var debug = require('debug')('socket.io:socket');
|
||||
|
||||
/**
|
||||
* Module exports.
|
||||
*/
|
||||
|
||||
module.exports = exports = Socket;
|
||||
|
||||
/**
|
||||
* Blacklisted events.
|
||||
*
|
||||
* @api public
|
||||
*/
|
||||
|
||||
exports.events = [
|
||||
'error',
|
||||
'connect',
|
||||
'disconnect',
|
||||
'disconnecting',
|
||||
'newListener',
|
||||
'removeListener'
|
||||
];
|
||||
|
||||
/**
|
||||
* Flags.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
var flags = [
|
||||
'json',
|
||||
'volatile',
|
||||
'broadcast'
|
||||
];
|
||||
|
||||
/**
|
||||
* `EventEmitter#emit` reference.
|
||||
*/
|
||||
|
||||
var emit = Emitter.prototype.emit;
|
||||
|
||||
/**
|
||||
* Interface to a `Client` for a given `Namespace`.
|
||||
*
|
||||
* @param {Namespace} nsp
|
||||
* @param {Client} client
|
||||
* @api public
|
||||
*/
|
||||
|
||||
function Socket(nsp, client, query){
|
||||
this.nsp = nsp;
|
||||
this.server = nsp.server;
|
||||
this.adapter = this.nsp.adapter;
|
||||
this.id = nsp.name !== '/' ? nsp.name + '#' + client.id : client.id;
|
||||
this.client = client;
|
||||
this.conn = client.conn;
|
||||
this.rooms = {};
|
||||
this.acks = {};
|
||||
this.connected = true;
|
||||
this.disconnected = false;
|
||||
this.handshake = this.buildHandshake(query);
|
||||
this.fns = [];
|
||||
this.flags = {};
|
||||
this._rooms = [];
|
||||
}
|
||||
|
||||
/**
|
||||
* Inherits from `EventEmitter`.
|
||||
*/
|
||||
|
||||
Socket.prototype.__proto__ = Emitter.prototype;
|
||||
|
||||
/**
|
||||
* Apply flags from `Socket`.
|
||||
*/
|
||||
|
||||
flags.forEach(function(flag){
|
||||
Object.defineProperty(Socket.prototype, flag, {
|
||||
get: function() {
|
||||
this.flags[flag] = true;
|
||||
return this;
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
/**
|
||||
* `request` engine.io shortcut.
|
||||
*
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Object.defineProperty(Socket.prototype, 'request', {
|
||||
get: function() {
|
||||
return this.conn.request;
|
||||
}
|
||||
});
|
||||
|
||||
/**
|
||||
* Builds the `handshake` BC object
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.buildHandshake = function(query){
|
||||
var self = this;
|
||||
function buildQuery(){
|
||||
var requestQuery = url.parse(self.request.url, true).query;
|
||||
//if socket-specific query exist, replace query strings in requestQuery
|
||||
return Object.assign({}, query, requestQuery);
|
||||
}
|
||||
return {
|
||||
headers: this.request.headers,
|
||||
time: (new Date) + '',
|
||||
address: this.conn.remoteAddress,
|
||||
xdomain: !!this.request.headers.origin,
|
||||
secure: !!this.request.connection.encrypted,
|
||||
issued: +(new Date),
|
||||
url: this.request.url,
|
||||
query: buildQuery()
|
||||
};
|
||||
};
|
||||
|
||||
/**
|
||||
* Emits to this client.
|
||||
*
|
||||
* @return {Socket} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Socket.prototype.emit = function(ev){
|
||||
if (~exports.events.indexOf(ev)) {
|
||||
emit.apply(this, arguments);
|
||||
return this;
|
||||
}
|
||||
|
||||
var args = Array.prototype.slice.call(arguments);
|
||||
var packet = {
|
||||
type: parser.EVENT,
|
||||
data: args
|
||||
};
|
||||
|
||||
// access last argument to see if it's an ACK callback
|
||||
if (typeof args[args.length - 1] === 'function') {
|
||||
if (this._rooms.length || this.flags.broadcast) {
|
||||
throw new Error('Callbacks are not supported when broadcasting');
|
||||
}
|
||||
|
||||
debug('emitting packet with ack id %d', this.nsp.ids);
|
||||
this.acks[this.nsp.ids] = args.pop();
|
||||
packet.id = this.nsp.ids++;
|
||||
}
|
||||
|
||||
var rooms = this._rooms.slice(0);
|
||||
var flags = Object.assign({}, this.flags);
|
||||
|
||||
// reset flags
|
||||
this._rooms = [];
|
||||
this.flags = {};
|
||||
|
||||
if (rooms.length || flags.broadcast) {
|
||||
this.adapter.broadcast(packet, {
|
||||
except: [this.id],
|
||||
rooms: rooms,
|
||||
flags: flags
|
||||
});
|
||||
} else {
|
||||
// dispatch packet
|
||||
this.packet(packet, flags);
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Targets a room when broadcasting.
|
||||
*
|
||||
* @param {String} name
|
||||
* @return {Socket} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Socket.prototype.to =
|
||||
Socket.prototype.in = function(name){
|
||||
if (!~this._rooms.indexOf(name)) this._rooms.push(name);
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Sends a `message` event.
|
||||
*
|
||||
* @return {Socket} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Socket.prototype.send =
|
||||
Socket.prototype.write = function(){
|
||||
var args = Array.prototype.slice.call(arguments);
|
||||
args.unshift('message');
|
||||
this.emit.apply(this, args);
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Writes a packet.
|
||||
*
|
||||
* @param {Object} packet object
|
||||
* @param {Object} opts options
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.packet = function(packet, opts){
|
||||
packet.nsp = this.nsp.name;
|
||||
opts = opts || {};
|
||||
opts.compress = false !== opts.compress;
|
||||
this.client.packet(packet, opts);
|
||||
};
|
||||
|
||||
/**
|
||||
* Joins a room.
|
||||
*
|
||||
* @param {String|Array} room or array of rooms
|
||||
* @param {Function} fn optional, callback
|
||||
* @return {Socket} self
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.join = function(rooms, fn){
|
||||
debug('joining room %s', rooms);
|
||||
var self = this;
|
||||
if (!Array.isArray(rooms)) {
|
||||
rooms = [rooms];
|
||||
}
|
||||
rooms = rooms.filter(function (room) {
|
||||
return !self.rooms.hasOwnProperty(room);
|
||||
});
|
||||
if (!rooms.length) {
|
||||
fn && fn(null);
|
||||
return this;
|
||||
}
|
||||
this.adapter.addAll(this.id, rooms, function(err){
|
||||
if (err) return fn && fn(err);
|
||||
debug('joined room %s', rooms);
|
||||
rooms.forEach(function (room) {
|
||||
self.rooms[room] = room;
|
||||
});
|
||||
fn && fn(null);
|
||||
});
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Leaves a room.
|
||||
*
|
||||
* @param {String} room
|
||||
* @param {Function} fn optional, callback
|
||||
* @return {Socket} self
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.leave = function(room, fn){
|
||||
debug('leave room %s', room);
|
||||
var self = this;
|
||||
this.adapter.del(this.id, room, function(err){
|
||||
if (err) return fn && fn(err);
|
||||
debug('left room %s', room);
|
||||
delete self.rooms[room];
|
||||
fn && fn(null);
|
||||
});
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Leave all rooms.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.leaveAll = function(){
|
||||
this.adapter.delAll(this.id);
|
||||
this.rooms = {};
|
||||
};
|
||||
|
||||
/**
|
||||
* Called by `Namespace` upon successful
|
||||
* middleware execution (ie: authorization).
|
||||
* Socket is added to namespace array before
|
||||
* call to join, so adapters can access it.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.onconnect = function(){
|
||||
debug('socket connected - writing packet');
|
||||
this.nsp.connected[this.id] = this;
|
||||
this.join(this.id);
|
||||
var skip = this.nsp.name === '/' && this.nsp.fns.length === 0;
|
||||
if (skip) {
|
||||
debug('packet already sent in initial handshake');
|
||||
} else {
|
||||
this.packet({ type: parser.CONNECT });
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Called with each packet. Called by `Client`.
|
||||
*
|
||||
* @param {Object} packet
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.onpacket = function(packet){
|
||||
debug('got packet %j', packet);
|
||||
switch (packet.type) {
|
||||
case parser.EVENT:
|
||||
this.onevent(packet);
|
||||
break;
|
||||
|
||||
case parser.BINARY_EVENT:
|
||||
this.onevent(packet);
|
||||
break;
|
||||
|
||||
case parser.ACK:
|
||||
this.onack(packet);
|
||||
break;
|
||||
|
||||
case parser.BINARY_ACK:
|
||||
this.onack(packet);
|
||||
break;
|
||||
|
||||
case parser.DISCONNECT:
|
||||
this.ondisconnect();
|
||||
break;
|
||||
|
||||
case parser.ERROR:
|
||||
this.onerror(new Error(packet.data));
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Called upon event packet.
|
||||
*
|
||||
* @param {Object} packet object
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.onevent = function(packet){
|
||||
var args = packet.data || [];
|
||||
debug('emitting event %j', args);
|
||||
|
||||
if (null != packet.id) {
|
||||
debug('attaching ack callback to event');
|
||||
args.push(this.ack(packet.id));
|
||||
}
|
||||
|
||||
this.dispatch(args);
|
||||
};
|
||||
|
||||
/**
|
||||
* Produces an ack callback to emit with an event.
|
||||
*
|
||||
* @param {Number} id packet id
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.ack = function(id){
|
||||
var self = this;
|
||||
var sent = false;
|
||||
return function(){
|
||||
// prevent double callbacks
|
||||
if (sent) return;
|
||||
var args = Array.prototype.slice.call(arguments);
|
||||
debug('sending ack %j', args);
|
||||
|
||||
self.packet({
|
||||
id: id,
|
||||
type: parser.ACK,
|
||||
data: args
|
||||
});
|
||||
|
||||
sent = true;
|
||||
};
|
||||
};
|
||||
|
||||
/**
|
||||
* Called upon ack packet.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.onack = function(packet){
|
||||
var ack = this.acks[packet.id];
|
||||
if ('function' == typeof ack) {
|
||||
debug('calling ack %s with %j', packet.id, packet.data);
|
||||
ack.apply(this, packet.data);
|
||||
delete this.acks[packet.id];
|
||||
} else {
|
||||
debug('bad ack %s', packet.id);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Called upon client disconnect packet.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.ondisconnect = function(){
|
||||
debug('got disconnect packet');
|
||||
this.onclose('client namespace disconnect');
|
||||
};
|
||||
|
||||
/**
|
||||
* Handles a client error.
|
||||
*
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.onerror = function(err){
|
||||
if (this.listeners('error').length) {
|
||||
this.emit('error', err);
|
||||
} else {
|
||||
console.error('Missing error handler on `socket`.');
|
||||
console.error(err.stack);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Called upon closing. Called by `Client`.
|
||||
*
|
||||
* @param {String} reason
|
||||
* @throw {Error} optional error object
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.onclose = function(reason){
|
||||
if (!this.connected) return this;
|
||||
debug('closing socket - reason %s', reason);
|
||||
this.emit('disconnecting', reason);
|
||||
this.leaveAll();
|
||||
this.nsp.remove(this);
|
||||
this.client.remove(this);
|
||||
this.connected = false;
|
||||
this.disconnected = true;
|
||||
delete this.nsp.connected[this.id];
|
||||
this.emit('disconnect', reason);
|
||||
};
|
||||
|
||||
/**
|
||||
* Produces an `error` packet.
|
||||
*
|
||||
* @param {Object} err error object
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.error = function(err){
|
||||
this.packet({ type: parser.ERROR, data: err });
|
||||
};
|
||||
|
||||
/**
|
||||
* Disconnects this client.
|
||||
*
|
||||
* @param {Boolean} close if `true`, closes the underlying connection
|
||||
* @return {Socket} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Socket.prototype.disconnect = function(close){
|
||||
if (!this.connected) return this;
|
||||
if (close) {
|
||||
this.client.disconnect();
|
||||
} else {
|
||||
this.packet({ type: parser.DISCONNECT });
|
||||
this.onclose('server namespace disconnect');
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets the compress flag.
|
||||
*
|
||||
* @param {Boolean} compress if `true`, compresses the sending data
|
||||
* @return {Socket} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Socket.prototype.compress = function(compress){
|
||||
this.flags.compress = compress;
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Dispatch incoming event to socket listeners.
|
||||
*
|
||||
* @param {Array} event that will get emitted
|
||||
* @api private
|
||||
*/
|
||||
|
||||
Socket.prototype.dispatch = function(event){
|
||||
debug('dispatching an event %j', event);
|
||||
var self = this;
|
||||
function dispatchSocket(err) {
|
||||
process.nextTick(function(){
|
||||
if (err) {
|
||||
return self.error(err.data || err.message);
|
||||
}
|
||||
emit.apply(self, event);
|
||||
});
|
||||
}
|
||||
this.run(event, dispatchSocket);
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets up socket middleware.
|
||||
*
|
||||
* @param {Function} middleware function (event, next)
|
||||
* @return {Socket} self
|
||||
* @api public
|
||||
*/
|
||||
|
||||
Socket.prototype.use = function(fn){
|
||||
this.fns.push(fn);
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Executes the middleware for an incoming event.
|
||||
*
|
||||
* @param {Array} event that will get emitted
|
||||
* @param {Function} last fn call in the middleware
|
||||
* @api private
|
||||
*/
|
||||
Socket.prototype.run = function(event, fn){
|
||||
var fns = this.fns.slice(0);
|
||||
if (!fns.length) return fn(null);
|
||||
|
||||
function run(i){
|
||||
fns[i](event, function(err){
|
||||
// upon error, short-circuit
|
||||
if (err) return fn(err);
|
||||
|
||||
// if no middleware left, summon callback
|
||||
if (!fns[i + 1]) return fn(null);
|
||||
|
||||
// go on to next
|
||||
run(i + 1);
|
||||
});
|
||||
}
|
||||
|
||||
run(0);
|
||||
};
|
||||
Reference in New Issue
Block a user