metamaps--metamaps/realtime/realtime-server.js
2014-06-04 16:24:13 -04:00

87 lines
No EOL
2.8 KiB
JavaScript

/*var http = require('http'),
express = require('express'),
port = process.env.PORT || 5001,
app = express(),
server = http.createServer(app).listen(port),
io = require('socket.io').listen(server);
console.log(port);
app.configure(function() {
app.use(function(req, res, next) {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'GET, OPTIONS');
res.header('Access-Control-Allow-Headers', 'Content-Type');
return next();
});
}); */
//var rtg = require("url").parse("redis://redistogo:0ca046a3d56533cc162e2447db383192@pearlfish.redistogo.com:9060/"),
//redis = require('redis').createClient(rtg.port, rtg.hostname, {no_ready_check: true});
var io = require('socket.io').listen(5001);
var redis = require('redis').createClient();
//redis.auth(rtg.auth.split(":")[1], function() {
// start();
//});
function start() {
redis.subscribe('maps');
io.on('connection', function (socket) {
// this will ping everyone on a map with updates to the map
redis.on('message', function (channel, message) {
console.log(message);
var m = JSON.parse(message);
var room = 'maps-' + m.mapid;
socket.emit(room, m);
});
// this will ping a new person with awareness of who's already on the map
socket.on('updateNewMapperList', function (data) {
var existingUser = {
userid: data.userid,
username: data.username
};
socket.broadcast.emit(data.userToNotify + '-' + data.mapid + '-UpdateMapperList', existingUser);
});
// this will ping everyone on a map that there's a person just joined the map
socket.on('newMapperNotify', function (data) {
socket.set('mapid', data.mapid);
socket.set('userid', data.userid);
socket.set('username', data.username);
var newUser = {
userid: data.userid,
username: data.username
};
socket.broadcast.emit('maps-' + data.mapid + '-newmapper', newUser);
});
// this will ping everyone on a map that there's a person just left the map
socket.on('disconnect', function () {
var socketUserName, socketUserID;
socket.get('userid', function (err, id) {
socketUserID = id;
});
socket.get('username', function (err, name) {
socketUserName = name;
});
var data = {
username: socketUserName,
userid: socketUserID
};
socket.get('mapid', function (err, mapid) {
socket.broadcast.emit('maps-' + mapid + '-lostmapper', data);
});
});
});
}
start();