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ws_test_server.js
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ws_test_server.js
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var app = require("http").createServer(handler);
var io = require("socket.io")(app, { transports: ["websocket"] });
var fs = require("fs");
app.listen(7001);
var sockets = {};
var userCounts = 0;
function handler(req, res) {
var filePath = req.url;
// if (req.url === '/') filePath = '/app/index.html';
fs.readFile(__dirname + filePath, function(err, data) {
if (err) {
res.writeHead(500);
return res.end("Error loading" + filePath + ": " + err);
}
res.writeHead(200);
res.end(data);
});
}
let appState = {
song: {
title: "Yellow Submarine",
author: "Beatles",
color: "#eee",
id: 123
},
winner_user_id: 42315,
ts: 123455432
};
let appSonglist = [
{
title: "Bandiera gialla",
author: "Gianni Pettenati",
color: "yellow",
id: 1
},
{
title: "Il cielo in una stanza",
author: "Gino Paoli",
color: "green",
id: 2
},
{
title: "Romagna mia",
author: "Raoul Casadei",
color: "violet",
id: 3
},
{
title: "Ma che bontà",
author: "Mina",
color: "blue",
id: 4
},
{
title: "Montagne verdi",
author: "Marcella Bella",
color: "orange",
id: 5
}
];
io.on("connection", function(socket) {
socket.on("app:ready", function() {
socket.emit("app:state", { data: appState });
socket.emit("app:songlist", { data: appSonglist });
});
socket.on("user:login", function(data) {
var userId = ++userCounts;
socket.user = {
userId: userId,
username: "User " + userId,
nickname: "user" + userId
};
console.log("response_user:login: ", socket.user);
socket.emit("blabla", { type: "user:login", data: socket.user });
Object.keys(sockets).map(function(userId) {
sockets[userId].emit("user:added", socket.user);
});
sockets[userId] = socket;
});
socket.on("users:get", function(data) {
var data = Object.keys(sockets)
.map(function(userId) {
var user = sockets[userId].user;
return {
userId: user.userId,
username: user.username,
nickname: user.nickname,
unreadMessageCount: 0,
messages: []
};
})
.filter(function(user) {
if (user.userId === socket.user.userId) return false;
if (data && data.target && data.targetId !== user.userId) return false;
return true;
});
console.log("response_users:get: ", data);
socket.emit("response", { type: "users:get", data: data });
});
socket.on("message:send", function(message) {
message.time = new Date().getTime();
console.log("response_message:send: ", message);
sockets[message.to] && sockets[message.to].emit("message:new", message);
socket.emit("response", { type: "message:send", data: message });
});
socket.on("user:logout", function() {
var user = socket.user;
socket.emit("response", { type: "user:logout" });
if (!user) return;
delete sockets[user.userId];
socket.disconnect(true);
Object.keys(sockets).map(function(userId) {
sockets[userId].emit("user:logged:out", user);
});
});
socket.on("disconnect", function() {
var user = socket.user;
if (!user) return;
delete sockets[user.userId];
socket.disconnect(true);
Object.keys(sockets).map(function(userId) {
sockets[userId].emit("user:removed", user);
});
});
});
console.log("server started at 7001");