Add io-host option

changelog

@@ -1,3 +1,7 @@
+Fri Sep  6 16:29 2013 CDT
+    * lib/config.js: Add an io-host option to allow binding socket.io to
+      a different IP than the webserver
+
 Fri Sep  6 15:51 2013 CDT
     * lib/utilities.js: Tweak the throttle code for rate limiters to fix
       incorrect behavior of the burst cap after the cooldown period has

lib/config.js

@@ -19,6 +19,7 @@ var defaults = {
     "mysql-user"          : "cytube",
     "mysql-pw"            : "supersecretpass",
     "express-host"        : "0.0.0.0",
+    "io-host"             : "0.0.0.0",
     "asset-cache-ttl"     : 0,
     "web-port"            : 8080,
     "io-port"             : 1337,

lib/server.js

@@ -171,7 +171,7 @@ var Server = {
         self.httpserv = self.app.listen(Server.cfg["web-port"],
                                         Server.cfg["express-host"]);
         self.ioserv = express().listen(Server.cfg["io-port"],
-                                       Server.cfg["express-host"]);
+                                       Server.cfg["io-host"]);
 
         // init socket.io
         self.io = require("socket.io").listen(self.ioserv);