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using redis for user online list management if configured

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This commit is contained in:
Julian Lam
2014-11-28 12:34:19 -05:00
parent e952a873a8
commit 7ad242b981
1 changed files with 16 additions and 9 deletions
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25
src/socket.io/index.js
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@@ -48,7 +48,9 @@ var onlineUsers = [];
// }
function onUserConnect(uid, socketid) {
db.sortedSetIncrBy('onlineUsers', 1, uid, function(err, score) {
var database = Sockets.redisDB ? Sockets.redisDB : db;
database.sortedSetIncrBy('onlineUsers', 1, uid, function(err, score) {
if (err) {
return winston.error('[socket.io] Could not add socket id ' + socketid + ' (uid ' + uid + ') to the online users list.');
}
@@ -65,13 +67,15 @@ function onUserConnect(uid, socketid) {
function onUserDisconnect(uid, socketid, socketCount) {
// baris, I no longer use socketCount here, since the zset score is the # of connections, just FYI.
db.sortedSetIncrBy('onlineUsers', -1, uid, function(err, score) {
var database = Sockets.redisDB ? Sockets.redisDB : db;
database.sortedSetIncrBy('onlineUsers', -1, uid, function(err, score) {
if (err) {
return winston.error('[socket.io] Could not remove socket id ' + socketid + ' (uid ' + uid + ') from the online users list.');
}
if (parseInt(score, 10) === 0) {
db.sortedSetRemove('onlineUsers', uid, function(err) {
database.sortedSetRemove('onlineUsers', uid, function(err) {
if (err) {
winston.error('[socket.io] Could not remove uid ' + uid + ' from the online users list')
} else {
@@ -102,11 +106,14 @@ Sockets.init = function(server) {
// If a redis server is configured, use it as a socket.io store, otherwise, fall back to in-memory store
if (nconf.get('redis')) {
var RedisStore = require('socket.io/lib/stores/redis'),
database = require('../database/redis'),
pub = database.connect(),
sub = database.connect(),
client = database.connect();
var RedisStore = require('socket.io/lib/stores/redis');
Sockets.redisDB = require('../database/redis');
Sockets.redisDB.init();
var pub = Sockets.redisDB.connect(),
sub = Sockets.redisDB.connect(),
client = Sockets.redisDB.connect();
// "redis" property needs to be passed in as referenced here: https://github.com/Automattic/socket.io/issues/808
// Probably fixed in socket.IO 1.0
@@ -138,7 +145,7 @@ Sockets.init = function(server) {
});
// Clearing the online users sorted set
db.delete('onlineUsers');
(Sockets.redisDB ? Sockets.redisDB : db)['delete']('onlineUsers');
io.sockets.on('connection', function(socket) {
var hs = socket.handshake,