RouletteTok/server/socketapp.js at master · jonmumm/RouletteTok · GitHub

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8f600aa Changed the way partner sessions are disconnected because iOS does not h... jonmumm authored Mar 20, 2012
		1	// socketapp.js
		2	//
		3	// This file handles all logic for generating and
		4	// distributing OpenTok sessions through sockets:w
		5	//
		6
a29824d Fixed inList var to update correctly Jonathan Mumm authored Jun 16, 2011
		7	// Require and initialize OpenTok SDK
c1b2f76 init Jonathan Mumm authored Jun 14, 2011
c1b2f76 init Jonathan Mumm authored Jun 14, 2011		8	var opentok = require('opentok');
162f985 UPdated tutorial to work in production Ubuntu authored Sep 19, 2012
		9	var ot = new opentok.OpenTokSDK('8911642', 'b36521541e88f77d5dd6168c57426222f6dd8799', {API_URL: 'https://api.opentok.com/hl' });
c1b2f76 init Jonathan Mumm authored Jun 14, 2011
c1b2f76 init Jonathan Mumm authored Jun 14, 2011		10
a29824d Fixed inList var to update correctly Jonathan Mumm authored Jun 17, 2011
		11	// An array of users that do not have a chat partner
c1b2f76 init Jonathan Mumm authored Jun 14, 2011
c1b2f76 init Jonathan Mumm authored Jun 14, 2011		12	var soloUsers = [];
5139506 Fixed socket bugs Jonathan Mumm authored Feb 21, 2012
		13	var clients = {}
c1b2f76 init Jonathan Mumm authored Jun 14, 2011
c1b2f76 init Jonathan Mumm authored Jun 14, 2011		14
a29824d Fixed inList var to update correctly Jonathan Mumm authored Jun 17, 2011
		15	// Sets up the socket server
5139506 Fixed socket bugs Jonathan Mumm authored Feb 22, 2012
		16	exports.start = function(sockets) {
		17	sockets.on('connection', function(socket) {
		18	clients[socket.id] = socket;
2e25fc4 Updated socket.io to latest version Jonathan Mumm authored Feb 21, 2012
		19
		20	ot.createSession('localhost', {}, function(session) {
		21
		22	// Each user should be a moderator
		23	var data = {
162f985 UPdated tutorial to work in production Ubuntu authored Sep 19, 2012
		24	sessionId: session,
2e25fc4 Updated socket.io to latest version Jonathan Mumm authored Feb 21, 2012
		25	token: ot.generateToken({
162f985 UPdated tutorial to work in production Ubuntu authored Sep 19, 2012
		26	sessionId: session,
		27	role: opentok.RoleConstants.MODERATOR
2e25fc4 Updated socket.io to latest version Jonathan Mumm authored Feb 21, 2012
		28	})
		29	};
		30
		31	// Send initialization data back to the client
5139506 Fixed socket bugs Jonathan Mumm authored Feb 22, 2012
		32	socket.emit('initial', data);
2e25fc4 Updated socket.io to latest version Jonathan Mumm authored Feb 21, 2012
		33	});
		34
50abdbf Changed socket transport back to emit api Jonathan Mumm authored Feb 22, 2012
		35	socket.on('next', function (data) {
		36	// Create a "user" data object for me
		37	var me = {
		38	sessionId: data.sessionId,
		39	socketId: socket.id
		40	};
		41
		42	var partner;
		43	var partnerSocket;
		44	// Look for a user to partner with in the list of solo users
		45	for (var i = 0; i < soloUsers.length; i++) {
		46	var tmpUser = soloUsers[i];
		47
		48	// Make sure our last partner is not our new partner
		49	if (socket.partner != tmpUser) {
		50	// Get the socket client for this user
		51	partnerSocket = clients[tmpUser.socketId];
		52
		53	// Remove the partner we found from the list of solo users
		54	soloUsers.splice(i, 1);
		55
		56	// If the user we found exists...
		57	if (partnerSocket) {
		58	// Set as our partner and quit the loop today
		59	partner = tmpUser;
		60	break;
		61	}
bbb3d92 Added exception handling Jonathan Mumm authored Feb 22, 2012
		62	}
0c6bbbe Changed the way socket messages are sent to server Jonathan Mumm authored Feb 22, 2012
		63	}
50abdbf Changed socket transport back to emit api Jonathan Mumm authored Feb 22, 2012
		64
		65	// If we found a partner...
		66	if (partner) {
		67
		68	// Tell myself to subscribe to my partner
		69	socket.emit('subscribe', {
		70	sessionId: partner.sessionId,
		71	token: ot.generateToken({
		72	sessionId: partner.sessionId,
		73	role: opentok.Roles.SUBSCRIBER
		74	})
		75	});
		76
		77	// Tell my partner to subscribe to me
		78	partnerSocket.emit('subscribe', {
		79	sessionId: me.sessionId,
		80	token: ot.generateToken({
		81	sessionId: me.sessionId,
		82	role: opentok.Roles.SUBSCRIBER
		83	})
		84	});
		85
		86	// Mark that my new partner and me are partners
		87	socket.partner = partner;
		88	partnerSocket.partner = me;
		89
		90	// Mark that we are not in the list of solo users anymore
		91	socket.inlist = false;
		92	partnerSocket.inlist = false;
		93
		94	} else {
		95
		96	// delete that i had a partner if i had one
		97	if (socket.partner) {
		98	delete socket.partner;
		99	}
		100
		101	// add myself to list of solo users if i'm not in the list
		102	if (!socket.inlist) {
		103	socket.inlist = true;
		104	soloUsers.push(me);
		105	}
		106
		107	// tell myself that there is nobody to chat with right now
		108	socket.emit('empty');
		109	}
2e25fc4 Updated socket.io to latest version Jonathan Mumm authored Feb 21, 2012
		110	});
5139506 Fixed socket bugs Jonathan Mumm authored Feb 22, 2012
		111
8f600aa Changed the way partner sessions are disconnected because iOS does not h... jonmumm authored Mar 20, 2012
		112	socket.on('disconnectPartners', function() {
		113	if (socket.partner && socket.partner.socketId) {
		114	var partnerSocket = clients[socket.partner.socketId]
		115
		116	if (partnerSocket) {
		117	partnerSocket.emit('disconnectPartner');
		118	}
		119
		120	socket.emit('disconnectPartner');
		121	}
		122	});
		123
5139506 Fixed socket bugs Jonathan Mumm authored Feb 22, 2012
		124	socket.on('disconnect', function() {
		125	delete clients[socket.id];
		126	});
2e25fc4 Updated socket.io to latest version Jonathan Mumm authored Feb 21, 2012
		127	});
		128	};

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