From 296777ab53b0d19be6a48597fa0a3d8fb1f8e91f Mon Sep 17 00:00:00 2001
From: Peter 'Pita' Martischka <petermartischka@googlemail.com>
Date: Wed, 17 Aug 2011 15:58:42 +0100
Subject: [PATCH] added a graceful shutdown

---
 node/server.js | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/node/server.js b/node/server.js
index bb2151ed..56f58d94 100644
--- a/node/server.js
+++ b/node/server.js
@@ -334,6 +334,40 @@ async.waterfall([
     app.listen(settings.port, settings.ip);
     console.log("Server is listening at " + settings.ip + ":" + settings.port);
 
+    var onShutdown = false;
+    var gracefulShutdown = function(err)
+    {
+      if(err && err.stack)
+      {
+        console.error(err.stack);
+      }
+      else if(err)
+      {
+        console.error(err);
+      }
+      
+      //ensure there is only one graceful shutdown running
+      if(onShutdown) return;
+      onShutdown = true;
+    
+      console.log("graceful shutdown...");
+      
+      //stop the http server
+      app.close();
+
+      //do the db shutdown
+      db.db.doShutdown(function()
+      {
+        console.log("db sucessfully closed.");
+        
+        process.exit(0);
+      });
+    }
+
+    //connect graceful shutdown with sigint and uncaughtexception
+    process.on('SIGINT', gracefulShutdown);
+    process.on('uncaughtException', gracefulShutdown);
+
     //init socket.io and redirect all requests to the MessageHandler
     var io = socketio.listen(app);