From 032aeb8b5d05f5f5a8ef8c6e0fe572a321717c35 Mon Sep 17 00:00:00 2001
From: Teravus Ovares
Date: Wed, 29 Jul 2009 02:15:45 +0000
Subject: * Adds the ability to have a thread efficient long poll service (such
 as the eventqueue) * If this doesn't melt the Http Server, this will
 significantly reduce the number of threads in use on regions with many users.
 * Adds AddPollServiceHTTPHandler, and RemovePollServiceHTTPHandler to
 BaseHttpServer * Generic enough to be used for many long poll services, not
 only the EventQueue.

---
 .../Servers/HttpServer/PollServiceWorkerThread.cs  | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 OpenSim/Framework/Servers/HttpServer/PollServiceWorkerThread.cs

(limited to 'OpenSim/Framework/Servers/HttpServer/PollServiceWorkerThread.cs')

diff --git a/OpenSim/Framework/Servers/HttpServer/PollServiceWorkerThread.cs b/OpenSim/Framework/Servers/HttpServer/PollServiceWorkerThread.cs
new file mode 100644
index 0000000..4c0be78
--- /dev/null
+++ b/OpenSim/Framework/Servers/HttpServer/PollServiceWorkerThread.cs
@@ -0,0 +1,100 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.IO;
+using System.Text;
+using HttpServer;
+using OpenMetaverse;
+
+namespace OpenSim.Framework.Servers.HttpServer
+{
+    public delegate void ReQueuePollServiceItem(PollServiceHttpRequest req);
+    
+    public class PollServiceWorkerThread
+    {
+        public event ReQueuePollServiceItem ReQueue;
+
+        private readonly BaseHttpServer m_server;
+        private BlockingQueue<PollServiceHttpRequest> m_request;
+        private bool m_running = true;
+        private int m_timeout = 25000;
+
+        
+
+        public PollServiceWorkerThread(BaseHttpServer pSrv, int pTimeout)
+        {
+            m_request = new BlockingQueue<PollServiceHttpRequest>();
+            m_server = pSrv;
+            m_timeout = pTimeout;
+        }
+
+        public void ThreadStart(object o)
+        {
+            Run();
+        }
+
+        public void Run()
+        {
+            while (m_running)
+            {
+                PollServiceHttpRequest req = m_request.Dequeue();
+                if (req.PollServiceArgs.HasEvents(req.PollServiceArgs.Id))
+                {
+                    StreamReader str = new StreamReader(req.Request.Body);
+
+                    Hashtable responsedata = req.PollServiceArgs.GetEvents(req.PollServiceArgs.Id, str.ReadToEnd());
+                    m_server.DoHTTPGruntWork(responsedata,
+                                             new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request)));
+                }
+                else
+                {
+                    if ((Environment.TickCount - req.RequestTime) > m_timeout)
+                    {
+                        m_server.DoHTTPGruntWork(req.PollServiceArgs.NoEvents(),
+                                                 new OSHttpResponse(new HttpResponse(req.HttpContext, req.Request)));
+                    }
+                    else
+                    {
+                        ReQueuePollServiceItem reQueueItem = ReQueue;
+                        if (reQueueItem != null)
+                            reQueueItem(req);
+                    }
+                }
+            }
+
+
+        }
+
+        internal void Enqueue(PollServiceHttpRequest pPollServiceHttpRequest)
+        {
+            m_request.Enqueue(pPollServiceHttpRequest);
+        }
+    }
+}
-- 
cgit v1.1