|
|
"use strict";
|
|
|
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
|
|
|
if (k2 === undefined) k2 = k;
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|
|
var desc = Object.getOwnPropertyDescriptor(m, k);
|
|
|
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
|
|
|
desc = { enumerable: true, get: function() { return m[k]; } };
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|
}
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|
|
Object.defineProperty(o, k2, desc);
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|
|
}) : (function(o, m, k, k2) {
|
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|
if (k2 === undefined) k2 = k;
|
|
|
o[k2] = m[k];
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|
|
}));
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|
|
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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|
Object.defineProperty(o, "default", { enumerable: true, value: v });
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|
}) : function(o, v) {
|
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|
o["default"] = v;
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|
});
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|
var __importStar = (this && this.__importStar) || function (mod) {
|
|
|
if (mod && mod.__esModule) return mod;
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|
|
var result = {};
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|
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
|
|
|
__setModuleDefault(result, mod);
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|
|
return result;
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|
|
};
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|
var __importDefault = (this && this.__importDefault) || function (mod) {
|
|
|
return (mod && mod.__esModule) ? mod : { "default": mod };
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|
|
};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Namespace = exports.Socket = exports.Server = void 0;
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const http = require("http");
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const fs_1 = require("fs");
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const zlib_1 = require("zlib");
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const accepts = require("accepts");
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const stream_1 = require("stream");
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const path = require("path");
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const engine_io_1 = require("engine.io");
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const client_1 = require("./client");
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const events_1 = require("events");
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const namespace_1 = require("./namespace");
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Object.defineProperty(exports, "Namespace", { enumerable: true, get: function () { return namespace_1.Namespace; } });
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|
const parent_namespace_1 = require("./parent-namespace");
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|
|
const socket_io_adapter_1 = require("socket.io-adapter");
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const parser = __importStar(require("socket.io-parser"));
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|
|
const debug_1 = __importDefault(require("debug"));
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|
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const socket_1 = require("./socket");
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|
Object.defineProperty(exports, "Socket", { enumerable: true, get: function () { return socket_1.Socket; } });
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|
|
const typed_events_1 = require("./typed-events");
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|
|
const uws_1 = require("./uws");
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|
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const debug = (0, debug_1.default)("socket.io:server");
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const clientVersion = require("../package.json").version;
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|
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const dotMapRegex = /\.map/;
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/**
|
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* Represents a Socket.IO server.
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*
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* @example
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|
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* import { Server } from "socket.io";
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*
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* const io = new Server();
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*
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* io.on("connection", (socket) => {
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|
* console.log(`socket ${socket.id} connected`);
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*
|
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|
* // send an event to the client
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|
* socket.emit("foo", "bar");
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|
|
*
|
|
|
* socket.on("foobar", () => {
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|
|
* // an event was received from the client
|
|
|
* });
|
|
|
*
|
|
|
* // upon disconnection
|
|
|
* socket.on("disconnect", (reason) => {
|
|
|
* console.log(`socket ${socket.id} disconnected due to ${reason}`);
|
|
|
* });
|
|
|
* });
|
|
|
*
|
|
|
* io.listen(3000);
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|
|
*/
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|
|
class Server extends typed_events_1.StrictEventEmitter {
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constructor(srv, opts = {}) {
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super();
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/**
|
|
|
* @private
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|
*/
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|
|
this._nsps = new Map();
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|
|
this.parentNsps = new Map();
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|
|
/**
|
|
|
* A subset of the {@link parentNsps} map, only containing {@link ParentNamespace} which are based on a regular
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|
* expression.
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|
*
|
|
|
* @private
|
|
|
*/
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|
|
this.parentNamespacesFromRegExp = new Map();
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|
|
if ("object" === typeof srv &&
|
|
|
srv instanceof Object &&
|
|
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!srv.listen) {
|
|
|
opts = srv;
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|
|
srv = undefined;
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|
|
}
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|
|
this.path(opts.path || "/socket.io");
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|
|
this.connectTimeout(opts.connectTimeout || 45000);
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|
|
this.serveClient(false !== opts.serveClient);
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|
|
this._parser = opts.parser || parser;
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|
|
this.encoder = new this._parser.Encoder();
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|
|
this.opts = opts;
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|
|
if (opts.connectionStateRecovery) {
|
|
|
opts.connectionStateRecovery = Object.assign({
|
|
|
maxDisconnectionDuration: 2 * 60 * 1000,
|
|
|
skipMiddlewares: true,
|
|
|
}, opts.connectionStateRecovery);
|
|
|
this.adapter(opts.adapter || socket_io_adapter_1.SessionAwareAdapter);
|
|
|
}
|
|
|
else {
|
|
|
this.adapter(opts.adapter || socket_io_adapter_1.Adapter);
|
|
|
}
|
|
|
opts.cleanupEmptyChildNamespaces = !!opts.cleanupEmptyChildNamespaces;
|
|
|
this.sockets = this.of("/");
|
|
|
if (srv || typeof srv == "number")
|
|
|
this.attach(srv);
|
|
|
}
|
|
|
get _opts() {
|
|
|
return this.opts;
|
|
|
}
|
|
|
serveClient(v) {
|
|
|
if (!arguments.length)
|
|
|
return this._serveClient;
|
|
|
this._serveClient = v;
|
|
|
return this;
|
|
|
}
|
|
|
/**
|
|
|
* Executes the middleware for an incoming namespace not already created on the server.
|
|
|
*
|
|
|
* @param name - name of incoming namespace
|
|
|
* @param auth - the auth parameters
|
|
|
* @param fn - callback
|
|
|
*
|
|
|
* @private
|
|
|
*/
|
|
|
_checkNamespace(name, auth, fn) {
|
|
|
if (this.parentNsps.size === 0)
|
|
|
return fn(false);
|
|
|
const keysIterator = this.parentNsps.keys();
|
|
|
const run = () => {
|
|
|
const nextFn = keysIterator.next();
|
|
|
if (nextFn.done) {
|
|
|
return fn(false);
|
|
|
}
|
|
|
nextFn.value(name, auth, (err, allow) => {
|
|
|
if (err || !allow) {
|
|
|
return run();
|
|
|
}
|
|
|
if (this._nsps.has(name)) {
|
|
|
// the namespace was created in the meantime
|
|
|
debug("dynamic namespace %s already exists", name);
|
|
|
return fn(this._nsps.get(name));
|
|
|
}
|
|
|
const namespace = this.parentNsps.get(nextFn.value).createChild(name);
|
|
|
debug("dynamic namespace %s was created", name);
|
|
|
fn(namespace);
|
|
|
});
|
|
|
};
|
|
|
run();
|
|
|
}
|
|
|
path(v) {
|
|
|
if (!arguments.length)
|
|
|
return this._path;
|
|
|
this._path = v.replace(/\/$/, "");
|
|
|
const escapedPath = this._path.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&");
|
|
|
this.clientPathRegex = new RegExp("^" +
|
|
|
escapedPath +
|
|
|
"/socket\\.io(\\.msgpack|\\.esm)?(\\.min)?\\.js(\\.map)?(?:\\?|$)");
|
|
|
return this;
|
|
|
}
|
|
|
connectTimeout(v) {
|
|
|
if (v === undefined)
|
|
|
return this._connectTimeout;
|
|
|
this._connectTimeout = v;
|
|
|
return this;
|
|
|
}
|
|
|
adapter(v) {
|
|
|
if (!arguments.length)
|
|
|
return this._adapter;
|
|
|
this._adapter = v;
|
|
|
for (const nsp of this._nsps.values()) {
|
|
|
nsp._initAdapter();
|
|
|
}
|
|
|
return this;
|
|
|
}
|
|
|
/**
|
|
|
* Attaches socket.io to a server or port.
|
|
|
*
|
|
|
* @param srv - server or port
|
|
|
* @param opts - options passed to engine.io
|
|
|
* @return self
|
|
|
*/
|
|
|
listen(srv, opts = {}) {
|
|
|
return this.attach(srv, opts);
|
|
|
}
|
|
|
/**
|
|
|
* Attaches socket.io to a server or port.
|
|
|
*
|
|
|
* @param srv - server or port
|
|
|
* @param opts - options passed to engine.io
|
|
|
* @return self
|
|
|
*/
|
|
|
attach(srv, opts = {}) {
|
|
|
if ("function" == typeof srv) {
|
|
|
const 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);
|
|
|
const port = srv;
|
|
|
srv = http.createServer((req, res) => {
|
|
|
res.writeHead(404);
|
|
|
res.end();
|
|
|
});
|
|
|
srv.listen(port);
|
|
|
}
|
|
|
// merge the options passed to the Socket.IO server
|
|
|
Object.assign(opts, this.opts);
|
|
|
// set engine.io path to `/socket.io`
|
|
|
opts.path = opts.path || this._path;
|
|
|
this.initEngine(srv, opts);
|
|
|
return this;
|
|
|
}
|
|
|
attachApp(app /*: TemplatedApp */, opts = {}) {
|
|
|
// merge the options passed to the Socket.IO server
|
|
|
Object.assign(opts, this.opts);
|
|
|
// set engine.io path to `/socket.io`
|
|
|
opts.path = opts.path || this._path;
|
|
|
// initialize engine
|
|
|
debug("creating uWebSockets.js-based engine with opts %j", opts);
|
|
|
const engine = new engine_io_1.uServer(opts);
|
|
|
engine.attach(app, opts);
|
|
|
// bind to engine events
|
|
|
this.bind(engine);
|
|
|
if (this._serveClient) {
|
|
|
// attach static file serving
|
|
|
app.get(`${this._path}/*`, (res, req) => {
|
|
|
if (!this.clientPathRegex.test(req.getUrl())) {
|
|
|
req.setYield(true);
|
|
|
return;
|
|
|
}
|
|
|
const filename = req
|
|
|
.getUrl()
|
|
|
.replace(this._path, "")
|
|
|
.replace(/\?.*$/, "")
|
|
|
.replace(/^\//, "");
|
|
|
const isMap = dotMapRegex.test(filename);
|
|
|
const type = isMap ? "map" : "source";
|
|
|
// Per the standard, ETags must be quoted:
|
|
|
// https://tools.ietf.org/html/rfc7232#section-2.3
|
|
|
const expectedEtag = '"' + clientVersion + '"';
|
|
|
const weakEtag = "W/" + expectedEtag;
|
|
|
const etag = req.getHeader("if-none-match");
|
|
|
if (etag) {
|
|
|
if (expectedEtag === etag || weakEtag === etag) {
|
|
|
debug("serve client %s 304", type);
|
|
|
res.writeStatus("304 Not Modified");
|
|
|
res.end();
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
debug("serve client %s", type);
|
|
|
res.writeHeader("cache-control", "public, max-age=0");
|
|
|
res.writeHeader("content-type", "application/" + (isMap ? "json" : "javascript") + "; charset=utf-8");
|
|
|
res.writeHeader("etag", expectedEtag);
|
|
|
const filepath = path.join(__dirname, "../client-dist/", filename);
|
|
|
(0, uws_1.serveFile)(res, filepath);
|
|
|
});
|
|
|
}
|
|
|
(0, uws_1.patchAdapter)(app);
|
|
|
}
|
|
|
/**
|
|
|
* Initialize engine
|
|
|
*
|
|
|
* @param srv - the server to attach to
|
|
|
* @param opts - options passed to engine.io
|
|
|
* @private
|
|
|
*/
|
|
|
initEngine(srv, opts) {
|
|
|
// initialize engine
|
|
|
debug("creating engine.io instance with opts %j", opts);
|
|
|
this.eio = (0, engine_io_1.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 srv http server
|
|
|
* @private
|
|
|
*/
|
|
|
attachServe(srv) {
|
|
|
debug("attaching client serving req handler");
|
|
|
const evs = srv.listeners("request").slice(0);
|
|
|
srv.removeAllListeners("request");
|
|
|
srv.on("request", (req, res) => {
|
|
|
if (this.clientPathRegex.test(req.url)) {
|
|
|
this.serve(req, res);
|
|
|
}
|
|
|
else {
|
|
|
for (let i = 0; i < evs.length; i++) {
|
|
|
evs[i].call(srv, req, res);
|
|
|
}
|
|
|
}
|
|
|
});
|
|
|
}
|
|
|
/**
|
|
|
* Handles a request serving of client source and map
|
|
|
*
|
|
|
* @param req
|
|
|
* @param res
|
|
|
* @private
|
|
|
*/
|
|
|
serve(req, res) {
|
|
|
const filename = req.url.replace(this._path, "").replace(/\?.*$/, "");
|
|
|
const isMap = dotMapRegex.test(filename);
|
|
|
const type = isMap ? "map" : "source";
|
|
|
// Per the standard, ETags must be quoted:
|
|
|
// https://tools.ietf.org/html/rfc7232#section-2.3
|
|
|
const expectedEtag = '"' + clientVersion + '"';
|
|
|
const weakEtag = "W/" + expectedEtag;
|
|
|
const etag = req.headers["if-none-match"];
|
|
|
if (etag) {
|
|
|
if (expectedEtag === etag || weakEtag === etag) {
|
|
|
debug("serve client %s 304", type);
|
|
|
res.writeHead(304);
|
|
|
res.end();
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
debug("serve client %s", type);
|
|
|
res.setHeader("Cache-Control", "public, max-age=0");
|
|
|
res.setHeader("Content-Type", "application/" + (isMap ? "json" : "javascript") + "; charset=utf-8");
|
|
|
res.setHeader("ETag", expectedEtag);
|
|
|
Server.sendFile(filename, req, res);
|
|
|
}
|
|
|
/**
|
|
|
* @param filename
|
|
|
* @param req
|
|
|
* @param res
|
|
|
* @private
|
|
|
*/
|
|
|
static sendFile(filename, req, res) {
|
|
|
const readStream = (0, fs_1.createReadStream)(path.join(__dirname, "../client-dist/", filename));
|
|
|
const encoding = accepts(req).encodings(["br", "gzip", "deflate"]);
|
|
|
const onError = (err) => {
|
|
|
if (err) {
|
|
|
res.end();
|
|
|
}
|
|
|
};
|
|
|
switch (encoding) {
|
|
|
case "br":
|
|
|
res.writeHead(200, { "content-encoding": "br" });
|
|
|
readStream.pipe((0, zlib_1.createBrotliCompress)()).pipe(res);
|
|
|
(0, stream_1.pipeline)(readStream, (0, zlib_1.createBrotliCompress)(), res, onError);
|
|
|
break;
|
|
|
case "gzip":
|
|
|
res.writeHead(200, { "content-encoding": "gzip" });
|
|
|
(0, stream_1.pipeline)(readStream, (0, zlib_1.createGzip)(), res, onError);
|
|
|
break;
|
|
|
case "deflate":
|
|
|
res.writeHead(200, { "content-encoding": "deflate" });
|
|
|
(0, stream_1.pipeline)(readStream, (0, zlib_1.createDeflate)(), res, onError);
|
|
|
break;
|
|
|
default:
|
|
|
res.writeHead(200);
|
|
|
(0, stream_1.pipeline)(readStream, res, onError);
|
|
|
}
|
|
|
}
|
|
|
/**
|
|
|
* Binds socket.io to an engine.io instance.
|
|
|
*
|
|
|
* @param engine engine.io (or compatible) server
|
|
|
* @return self
|
|
|
*/
|
|
|
bind(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 self
|
|
|
* @private
|
|
|
*/
|
|
|
onconnection(conn) {
|
|
|
debug("incoming connection with id %s", conn.id);
|
|
|
const client = new client_1.Client(this, conn);
|
|
|
if (conn.protocol === 3) {
|
|
|
// @ts-ignore
|
|
|
client.connect("/");
|
|
|
}
|
|
|
return this;
|
|
|
}
|
|
|
/**
|
|
|
* Looks up a namespace.
|
|
|
*
|
|
|
* @example
|
|
|
* // with a simple string
|
|
|
* const myNamespace = io.of("/my-namespace");
|
|
|
*
|
|
|
* // with a regex
|
|
|
* const dynamicNsp = io.of(/^\/dynamic-\d+$/).on("connection", (socket) => {
|
|
|
* const namespace = socket.nsp; // newNamespace.name === "/dynamic-101"
|
|
|
*
|
|
|
* // broadcast to all clients in the given sub-namespace
|
|
|
* namespace.emit("hello");
|
|
|
* });
|
|
|
*
|
|
|
* @param name - nsp name
|
|
|
* @param fn optional, nsp `connection` ev handler
|
|
|
*/
|
|
|
of(name, fn) {
|
|
|
if (typeof name === "function" || name instanceof RegExp) {
|
|
|
const parentNsp = new parent_namespace_1.ParentNamespace(this);
|
|
|
debug("initializing parent namespace %s", parentNsp.name);
|
|
|
if (typeof name === "function") {
|
|
|
this.parentNsps.set(name, parentNsp);
|
|
|
}
|
|
|
else {
|
|
|
this.parentNsps.set((nsp, conn, next) => next(null, name.test(nsp)), parentNsp);
|
|
|
this.parentNamespacesFromRegExp.set(name, parentNsp);
|
|
|
}
|
|
|
if (fn) {
|
|
|
// @ts-ignore
|
|
|
parentNsp.on("connect", fn);
|
|
|
}
|
|
|
return parentNsp;
|
|
|
}
|
|
|
if (String(name)[0] !== "/")
|
|
|
name = "/" + name;
|
|
|
let nsp = this._nsps.get(name);
|
|
|
if (!nsp) {
|
|
|
for (const [regex, parentNamespace] of this.parentNamespacesFromRegExp) {
|
|
|
if (regex.test(name)) {
|
|
|
debug("attaching namespace %s to parent namespace %s", name, regex);
|
|
|
return parentNamespace.createChild(name);
|
|
|
}
|
|
|
}
|
|
|
debug("initializing namespace %s", name);
|
|
|
nsp = new namespace_1.Namespace(this, name);
|
|
|
this._nsps.set(name, nsp);
|
|
|
if (name !== "/") {
|
|
|
// @ts-ignore
|
|
|
this.sockets.emitReserved("new_namespace", nsp);
|
|
|
}
|
|
|
}
|
|
|
if (fn)
|
|
|
nsp.on("connect", fn);
|
|
|
return nsp;
|
|
|
}
|
|
|
/**
|
|
|
* Closes server connection
|
|
|
*
|
|
|
* @param [fn] optional, called as `fn([err])` on error OR all conns closed
|
|
|
*/
|
|
|
close(fn) {
|
|
|
for (const socket of this.sockets.sockets.values()) {
|
|
|
socket._onclose("server shutting down");
|
|
|
}
|
|
|
this.engine.close();
|
|
|
// restore the Adapter prototype
|
|
|
(0, uws_1.restoreAdapter)();
|
|
|
if (this.httpServer) {
|
|
|
this.httpServer.close(fn);
|
|
|
}
|
|
|
else {
|
|
|
fn && fn();
|
|
|
}
|
|
|
}
|
|
|
/**
|
|
|
* Registers a middleware, which is a function that gets executed for every incoming {@link Socket}.
|
|
|
*
|
|
|
* @example
|
|
|
* io.use((socket, next) => {
|
|
|
* // ...
|
|
|
* next();
|
|
|
* });
|
|
|
*
|
|
|
* @param fn - the middleware function
|
|
|
*/
|
|
|
use(fn) {
|
|
|
this.sockets.use(fn);
|
|
|
return this;
|
|
|
}
|
|
|
/**
|
|
|
* Targets a room when emitting.
|
|
|
*
|
|
|
* @example
|
|
|
* // the “foo” event will be broadcast to all connected clients in the “room-101” room
|
|
|
* io.to("room-101").emit("foo", "bar");
|
|
|
*
|
|
|
* // with an array of rooms (a client will be notified at most once)
|
|
|
* io.to(["room-101", "room-102"]).emit("foo", "bar");
|
|
|
*
|
|
|
* // with multiple chained calls
|
|
|
* io.to("room-101").to("room-102").emit("foo", "bar");
|
|
|
*
|
|
|
* @param room - a room, or an array of rooms
|
|
|
* @return a new {@link BroadcastOperator} instance for chaining
|
|
|
*/
|
|
|
to(room) {
|
|
|
return this.sockets.to(room);
|
|
|
}
|
|
|
/**
|
|
|
* Targets a room when emitting. Similar to `to()`, but might feel clearer in some cases:
|
|
|
*
|
|
|
* @example
|
|
|
* // disconnect all clients in the "room-101" room
|
|
|
* io.in("room-101").disconnectSockets();
|
|
|
*
|
|
|
* @param room - a room, or an array of rooms
|
|
|
* @return a new {@link BroadcastOperator} instance for chaining
|
|
|
*/
|
|
|
in(room) {
|
|
|
return this.sockets.in(room);
|
|
|
}
|
|
|
/**
|
|
|
* Excludes a room when emitting.
|
|
|
*
|
|
|
* @example
|
|
|
* // the "foo" event will be broadcast to all connected clients, except the ones that are in the "room-101" room
|
|
|
* io.except("room-101").emit("foo", "bar");
|
|
|
*
|
|
|
* // with an array of rooms
|
|
|
* io.except(["room-101", "room-102"]).emit("foo", "bar");
|
|
|
*
|
|
|
* // with multiple chained calls
|
|
|
* io.except("room-101").except("room-102").emit("foo", "bar");
|
|
|
*
|
|
|
* @param room - a room, or an array of rooms
|
|
|
* @return a new {@link BroadcastOperator} instance for chaining
|
|
|
*/
|
|
|
except(room) {
|
|
|
return this.sockets.except(room);
|
|
|
}
|
|
|
/**
|
|
|
* Emits an event and waits for an acknowledgement from all clients.
|
|
|
*
|
|
|
* @example
|
|
|
* try {
|
|
|
* const responses = await io.timeout(1000).emitWithAck("some-event");
|
|
|
* console.log(responses); // one response per client
|
|
|
* } catch (e) {
|
|
|
* // some clients did not acknowledge the event in the given delay
|
|
|
* }
|
|
|
*
|
|
|
* @return a Promise that will be fulfilled when all clients have acknowledged the event
|
|
|
*/
|
|
|
emitWithAck(ev, ...args) {
|
|
|
return this.sockets.emitWithAck(ev, ...args);
|
|
|
}
|
|
|
/**
|
|
|
* Sends a `message` event to all clients.
|
|
|
*
|
|
|
* This method mimics the WebSocket.send() method.
|
|
|
*
|
|
|
* @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
|
|
|
*
|
|
|
* @example
|
|
|
* io.send("hello");
|
|
|
*
|
|
|
* // this is equivalent to
|
|
|
* io.emit("message", "hello");
|
|
|
*
|
|
|
* @return self
|
|
|
*/
|
|
|
send(...args) {
|
|
|
this.sockets.emit("message", ...args);
|
|
|
return this;
|
|
|
}
|
|
|
/**
|
|
|
* Sends a `message` event to all clients. Alias of {@link send}.
|
|
|
*
|
|
|
* @return self
|
|
|
*/
|
|
|
write(...args) {
|
|
|
this.sockets.emit("message", ...args);
|
|
|
return this;
|
|
|
}
|
|
|
/**
|
|
|
* Sends a message to the other Socket.IO servers of the cluster.
|
|
|
*
|
|
|
* @example
|
|
|
* io.serverSideEmit("hello", "world");
|
|
|
*
|
|
|
* io.on("hello", (arg1) => {
|
|
|
* console.log(arg1); // prints "world"
|
|
|
* });
|
|
|
*
|
|
|
* // acknowledgements (without binary content) are supported too:
|
|
|
* io.serverSideEmit("ping", (err, responses) => {
|
|
|
* if (err) {
|
|
|
* // some servers did not acknowledge the event in the given delay
|
|
|
* } else {
|
|
|
* console.log(responses); // one response per server (except the current one)
|
|
|
* }
|
|
|
* });
|
|
|
*
|
|
|
* io.on("ping", (cb) => {
|
|
|
* cb("pong");
|
|
|
* });
|
|
|
*
|
|
|
* @param ev - the event name
|
|
|
* @param args - an array of arguments, which may include an acknowledgement callback at the end
|
|
|
*/
|
|
|
serverSideEmit(ev, ...args) {
|
|
|
return this.sockets.serverSideEmit(ev, ...args);
|
|
|
}
|
|
|
/**
|
|
|
* Sends a message and expect an acknowledgement from the other Socket.IO servers of the cluster.
|
|
|
*
|
|
|
* @example
|
|
|
* try {
|
|
|
* const responses = await io.serverSideEmitWithAck("ping");
|
|
|
* console.log(responses); // one response per server (except the current one)
|
|
|
* } catch (e) {
|
|
|
* // some servers did not acknowledge the event in the given delay
|
|
|
* }
|
|
|
*
|
|
|
* @param ev - the event name
|
|
|
* @param args - an array of arguments
|
|
|
*
|
|
|
* @return a Promise that will be fulfilled when all servers have acknowledged the event
|
|
|
*/
|
|
|
serverSideEmitWithAck(ev, ...args) {
|
|
|
return this.sockets.serverSideEmitWithAck(ev, ...args);
|
|
|
}
|
|
|
/**
|
|
|
* Gets a list of socket ids.
|
|
|
*
|
|
|
* @deprecated this method will be removed in the next major release, please use {@link Server#serverSideEmit} or
|
|
|
* {@link Server#fetchSockets} instead.
|
|
|
*/
|
|
|
allSockets() {
|
|
|
return this.sockets.allSockets();
|
|
|
}
|
|
|
/**
|
|
|
* Sets the compress flag.
|
|
|
*
|
|
|
* @example
|
|
|
* io.compress(false).emit("hello");
|
|
|
*
|
|
|
* @param compress - if `true`, compresses the sending data
|
|
|
* @return a new {@link BroadcastOperator} instance for chaining
|
|
|
*/
|
|
|
compress(compress) {
|
|
|
return this.sockets.compress(compress);
|
|
|
}
|
|
|
/**
|
|
|
* Sets a modifier for a subsequent event emission that the event data may be lost if the client is not ready to
|
|
|
* receive messages (because of network slowness or other issues, or because they’re connected through long polling
|
|
|
* and is in the middle of a request-response cycle).
|
|
|
*
|
|
|
* @example
|
|
|
* io.volatile.emit("hello"); // the clients may or may not receive it
|
|
|
*
|
|
|
* @return a new {@link BroadcastOperator} instance for chaining
|
|
|
*/
|
|
|
get volatile() {
|
|
|
return this.sockets.volatile;
|
|
|
}
|
|
|
/**
|
|
|
* Sets a modifier for a subsequent event emission that the event data will only be broadcast to the current node.
|
|
|
*
|
|
|
* @example
|
|
|
* // the “foo” event will be broadcast to all connected clients on this node
|
|
|
* io.local.emit("foo", "bar");
|
|
|
*
|
|
|
* @return a new {@link BroadcastOperator} instance for chaining
|
|
|
*/
|
|
|
get local() {
|
|
|
return this.sockets.local;
|
|
|
}
|
|
|
/**
|
|
|
* Adds a timeout in milliseconds for the next operation.
|
|
|
*
|
|
|
* @example
|
|
|
* io.timeout(1000).emit("some-event", (err, responses) => {
|
|
|
* if (err) {
|
|
|
* // some clients did not acknowledge the event in the given delay
|
|
|
* } else {
|
|
|
* console.log(responses); // one response per client
|
|
|
* }
|
|
|
* });
|
|
|
*
|
|
|
* @param timeout
|
|
|
*/
|
|
|
timeout(timeout) {
|
|
|
return this.sockets.timeout(timeout);
|
|
|
}
|
|
|
/**
|
|
|
* Returns the matching socket instances.
|
|
|
*
|
|
|
* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}.
|
|
|
*
|
|
|
* @example
|
|
|
* // return all Socket instances
|
|
|
* const sockets = await io.fetchSockets();
|
|
|
*
|
|
|
* // return all Socket instances in the "room1" room
|
|
|
* const sockets = await io.in("room1").fetchSockets();
|
|
|
*
|
|
|
* for (const socket of sockets) {
|
|
|
* console.log(socket.id);
|
|
|
* console.log(socket.handshake);
|
|
|
* console.log(socket.rooms);
|
|
|
* console.log(socket.data);
|
|
|
*
|
|
|
* socket.emit("hello");
|
|
|
* socket.join("room1");
|
|
|
* socket.leave("room2");
|
|
|
* socket.disconnect();
|
|
|
* }
|
|
|
*/
|
|
|
fetchSockets() {
|
|
|
return this.sockets.fetchSockets();
|
|
|
}
|
|
|
/**
|
|
|
* Makes the matching socket instances join the specified rooms.
|
|
|
*
|
|
|
* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}.
|
|
|
*
|
|
|
* @example
|
|
|
*
|
|
|
* // make all socket instances join the "room1" room
|
|
|
* io.socketsJoin("room1");
|
|
|
*
|
|
|
* // make all socket instances in the "room1" room join the "room2" and "room3" rooms
|
|
|
* io.in("room1").socketsJoin(["room2", "room3"]);
|
|
|
*
|
|
|
* @param room - a room, or an array of rooms
|
|
|
*/
|
|
|
socketsJoin(room) {
|
|
|
return this.sockets.socketsJoin(room);
|
|
|
}
|
|
|
/**
|
|
|
* Makes the matching socket instances leave the specified rooms.
|
|
|
*
|
|
|
* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}.
|
|
|
*
|
|
|
* @example
|
|
|
* // make all socket instances leave the "room1" room
|
|
|
* io.socketsLeave("room1");
|
|
|
*
|
|
|
* // make all socket instances in the "room1" room leave the "room2" and "room3" rooms
|
|
|
* io.in("room1").socketsLeave(["room2", "room3"]);
|
|
|
*
|
|
|
* @param room - a room, or an array of rooms
|
|
|
*/
|
|
|
socketsLeave(room) {
|
|
|
return this.sockets.socketsLeave(room);
|
|
|
}
|
|
|
/**
|
|
|
* Makes the matching socket instances disconnect.
|
|
|
*
|
|
|
* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}.
|
|
|
*
|
|
|
* @example
|
|
|
* // make all socket instances disconnect (the connections might be kept alive for other namespaces)
|
|
|
* io.disconnectSockets();
|
|
|
*
|
|
|
* // make all socket instances in the "room1" room disconnect and close the underlying connections
|
|
|
* io.in("room1").disconnectSockets(true);
|
|
|
*
|
|
|
* @param close - whether to close the underlying connection
|
|
|
*/
|
|
|
disconnectSockets(close = false) {
|
|
|
return this.sockets.disconnectSockets(close);
|
|
|
}
|
|
|
}
|
|
|
exports.Server = Server;
|
|
|
/**
|
|
|
* Expose main namespace (/).
|
|
|
*/
|
|
|
const emitterMethods = Object.keys(events_1.EventEmitter.prototype).filter(function (key) {
|
|
|
return typeof events_1.EventEmitter.prototype[key] === "function";
|
|
|
});
|
|
|
emitterMethods.forEach(function (fn) {
|
|
|
Server.prototype[fn] = function () {
|
|
|
return this.sockets[fn].apply(this.sockets, arguments);
|
|
|
};
|
|
|
});
|
|
|
module.exports = (srv, opts) => new Server(srv, opts);
|
|
|
module.exports.Server = Server;
|
|
|
module.exports.Namespace = namespace_1.Namespace;
|
|
|
module.exports.Socket = socket_1.Socket;
|
|
|
var socket_2 = require("./socket");
|