Context:
- Node.js running a server with
require("socket.io"); - Node.js running another server with
require("socket.io-client"); - Receiving acknowledgements when using the standard :
io.on("connection", function() { console.log("Something connected."); });
Problem:
Unfortunately, I cannot get the CLIENT on either server both are running client & server socket.io to emit a message to the server of the other.
I realize it's probably a code error, so I'll include that for correctness' sake, but for the record I'm wondering if there's something I'm doing wrong semantically as opposed to code-wise.
Code: (LoginServer.js)
var app = require('http').createServer(); var io = require('socket.io')(app); var ioc = require("socket.io-client"); var LoginServer = (function() { function LoginServer() { this.gameServerSocket = ioc.connect("http://localhost:3031", {reconnect: true}); } LoginServer.prototype.initialize = function() { var self = this; io.listen(3032); io.on("connection", function(socket) { socket.emit("connection"); }); this.gameServerSocket.on("connection", function() { console.log("Game Server Connected!"); self.gameServerSocket.emit("login", {accountName: "default"}); }); } return LoginServer; })(); exports.LoginServer = LoginServer; Code: (GameServer.js)
var app = require('http').createServer(); var io = require('socket.io')(app); var ioc = require("socket.io-client"); var GameServer = (function() { function GameServer() { this.loginServerSocket = ioc.connect("http://localhost:3032", {reconnect: true}); this.loginServerSocket.emit("connection"); } GameServer.prototype.initialize = function() { var self = this; io.listen(3031); io.on("connection", function(socket) { socket.emit("connection"); }); this.LoginServerResponses(); } GameServer.prototype.LoginServerResponses = function() { var self = this; this.loginServerSocket.on("connection", function() { console.log("Login Server Connected!"); }); this.loginServerSocket.on("login", function(data) { console.log("Login Server:", data); }); } return GameServer; })(); exports.GameServer = GameServer; 3 Answers
Answers 1
"Unfortunately, I cannot get the CLIENT on either server both are running client & server socket.io to emit a message to the server of the other."
What you really want to do is 1 server, and allow clients to connect.
The server can communicate to the clients, so does the clients to the server, back and forth.
server.js
var app = require('http').createServer(); var io = require('socket.io')(app); io.listen(3032); io.on('connection', function(socket) { console.log('A user(a client) connected!'); // lets welcome this particular client with a nice msg :) socket.emit('msg group', 'Welcome client! you can emit msgs for me to tell every client in "to everyone please"'); // lets tell everyone someone joined io.emit('msg group', 'guys someone special joined :)!'); socket.on('to everyone please', function(freedomMsg) { io.emit('msg group', "a client told me (the server) to send this to everyone (every clients)!: " + freedomMsg); }); }); aClient.js
var ioc = require("socket.io-client"); var socket = ioc("http://localhost:3032"); // general chat socket.on('msg group', function(msg) { console.log(msg); }); function msgEveryone(message) { socket.emit('to everyone please', message); } msgEveryone('whats up guys?'); I hope that with this you'll understand a bit more on how socket.io (or sockets in general) works :)
Answers 2
Code: (GameServer.js)
first delete these code :
this.loginServerSocket.on("login", function(data) { console.log("Login Server:", data); }); second change code:
GameServer.prototype.initialize = function() { var self = this; io.listen(3031); io.on("connection", function(socket) { socket.emit("connection"); }); this.LoginServerResponses(); } to
GameServer.prototype.initialize = function () { var self = this; io.listen(3031); io.on("connection", function (socket) { socket.emit("connection"); socket.on("login", function (data) { console.log("Login Server:", data); }); }); this.LoginServerResponses(); } Answers 3
Try this: LoginServer.js
var app = require('http').createServer(); var io = require('socket.io')(app); var ioc = require("socket.io-client"); var LoginServer = (function() { function LoginServer() { this.gameServerSocket = ioc.connect("http://localhost:3031", {reconnect: true}); } LoginServer.prototype.initialize = function() { var self = this; io.listen(3032); io.on("connection", function(socket) { // a client, maybe game server, is connected socket.on("login", function(data){ console.log("Credentials: "+ data); }); }); this.gameServerSocket.on("connect", function() { console.log("Connected to Game Server!"); // Send event to game server }); } return LoginServer; })(); exports.LoginServer = LoginServer; GameServer.js
var app = require('http').createServer(); var io = require('socket.io')(app); var ioc = require("socket.io-client"); var GameServer = (function() { function GameServer() { this.loginServerSocket = ioc.connect("http://localhost:3032", {reconnect: true}); } GameServer.prototype.initialize = function() { var self = this; io.listen(3031); io.on("connection", function(socket) { // a client, maybe login server, is connected }); this.LoginServerResponses(); } GameServer.prototype.LoginServerResponses = function() { var self = this; this.loginServerSocket.on("connect", function() { console.log("Connected to Login Server !"); // Try to login self.loginServerSocket.emit("login", {accountName: "default"}); }); } return GameServer; })(); exports.GameServer = GameServer; 
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