setup redirector and make websocket connection use current hostname

demos/presence/html/js/presence-0.1.0.js

@@ -108,7 +108,7 @@ Client.prototype.connect = function() {
     return;
   }
 
-  this.context = new nullmq.Context('ws://localhost:9000');
+  this.context = new nullmq.Context('ws://'+window.location.hostname+':9000');
   this.status = Client.CONNECTING;
 
   this.startSub();

demos/presence/python/server.py

@@ -87,6 +87,6 @@ def wait_for_reply():
     def websocket_handler(websocket, environ):
         StompHandler(websocket, ZeroMQBridge()).serve()
 
-    server = WebSocketServer(('127.0.0.1', 9000), websocket_handler)
+    server = WebSocketServer(('0.0.0.0', 9000), websocket_handler)
     print "Starting NullMQ-ZeroMQ bridge on 9000"
     server.serve_forever()

demos/presence/ruby/bin/redirector

@@ -0,0 +1,16 @@
+#!/usr/bin/env ruby
+
+require "rubygems"
+require "bundler/setup"
+
+require "socket"
+
+server = TCPServer.new(8888)
+private_ipv4 = Socket.ip_address_list.detect{|intf| intf.ipv4_private?}.ip_address
+puts "starting redirector to #{private_ipv4}:8080"
+loop do
+  client = server.accept
+  headers = "HTTP/1.1 301 Moved\r\nDate: Tue, 14 Dec 2010 10:48:45 GMT\r\nServer: Ruby\r\nLocation: http://#{private_ipv4}:8080/\r\nContent-length: 0\r\n\r\n"
+  client.puts headers
+  client.close
+end