1 files changed, 321 insertions, 0 deletions

diff --git a/OpenSim/Grid/ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs b/OpenSim/Grid/ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs
new file mode 100644
index 0000000..5b92ff0
--- /dev/null
+++ b/OpenSim/Grid/ScriptEngine/DotNetEngine/LSLLongCmdHandler.cs
@@ -0,0 +1,321 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using libsecondlife;
+using OpenSim.Region.ScriptEngine.Common;
+using OpenSim.Region.Environment.Modules;
+using OpenSim.Region.Environment.Interfaces;
+
+namespace OpenSim.Region.ScriptEngine.DotNetEngine
+{
+    /// <summary>
+    /// Handles LSL commands that takes long time and returns an event, for example timers, HTTP requests, etc.
+    /// </summary>
+    class LSLLongCmdHandler
+    {
+        private Thread cmdHandlerThread;
+        private int cmdHandlerThreadCycleSleepms = 100;
+
+        private ScriptEngine m_ScriptEngine;
+        public LSLLongCmdHandler(ScriptEngine _ScriptEngine)
+        {
+            m_ScriptEngine = _ScriptEngine;
+
+            // Start the thread that will be doing the work
+            cmdHandlerThread = new Thread(CmdHandlerThreadLoop);
+            cmdHandlerThread.Name = "CmdHandlerThread";
+            cmdHandlerThread.Priority = ThreadPriority.BelowNormal;
+            cmdHandlerThread.IsBackground = true;
+            cmdHandlerThread.Start();
+
+        }
+        ~LSLLongCmdHandler()
+        {
+            // Shut down thread
+            try
+            {
+                if (cmdHandlerThread != null)
+                {
+                    if (cmdHandlerThread.IsAlive == true)
+                    {
+                        cmdHandlerThread.Abort();
+                        cmdHandlerThread.Join();
+                    }
+                }
+            }
+            catch { }
+        }
+
+        private void CmdHandlerThreadLoop()
+        {
+            while (true)
+            {
+                // Check timers
+                CheckTimerEvents();
+                Thread.Sleep(25);
+                // Check HttpRequests
+                CheckHttpRequests();
+                Thread.Sleep(25);
+                // Check XMLRPCRequests
+                CheckXMLRPCRequests();
+                Thread.Sleep(25);
+                // Check Listeners
+                CheckListeners();
+                Thread.Sleep(25);
+
+                // Sleep before next cycle
+                //Thread.Sleep(cmdHandlerThreadCycleSleepms);
+            }
+        }
+
+        /// <summary>
+        /// Remove a specific script (and all its pending commands)
+        /// </summary>
+        /// <param name="m_localID"></param>
+        /// <param name="m_itemID"></param>
+        public void RemoveScript(uint localID, LLUUID itemID)
+        {
+            // Remove a specific script
+
+            // Remove from: Timers
+            UnSetTimerEvents(localID, itemID);
+            // Remove from: HttpRequest
+            StopHttpRequest(localID, itemID);
+        }
+
+        #region TIMER
+
+        //
+        // TIMER
+        //
+        private class TimerClass
+        {
+            public uint localID;
+            public LLUUID itemID;
+            public double interval;
+            public DateTime next;
+        }
+        private List<TimerClass> Timers = new List<TimerClass>();
+        private object TimerListLock = new object();
+        public void SetTimerEvent(uint m_localID, LLUUID m_itemID, double sec)
+        {
+            Console.WriteLine("SetTimerEvent");
+
+            // Always remove first, in case this is a re-set
+            UnSetTimerEvents(m_localID, m_itemID);
+            if (sec == 0) // Disabling timer
+                return;
+
+            // Add to timer
+            TimerClass ts = new TimerClass();
+            ts.localID = m_localID;
+            ts.itemID = m_itemID;
+            ts.interval = sec;
+            ts.next = DateTime.Now.ToUniversalTime().AddSeconds(ts.interval);
+            lock (TimerListLock)
+            {
+                Timers.Add(ts);
+            }
+        }
+        public void UnSetTimerEvents(uint m_localID, LLUUID m_itemID)
+        {
+            // Remove from timer
+            lock (TimerListLock)
+            {
+                List<TimerClass> NewTimers = new List<TimerClass>();
+                foreach (TimerClass ts in Timers)
+                {
+                    if (ts.localID != m_localID && ts.itemID != m_itemID)
+                    {
+                        NewTimers.Add(ts);
+                    }
+                }
+                Timers.Clear();
+                Timers = NewTimers;
+            }
+        }
+        public void CheckTimerEvents()
+        {
+            // Nothing to do here?
+            if (Timers.Count == 0)
+                return;
+
+            lock (TimerListLock)
+            {
+
+                // Go through all timers
+                foreach (TimerClass ts in Timers)
+                {
+                    // Time has passed?
+                    if (ts.next.ToUniversalTime() < DateTime.Now.ToUniversalTime())
+                    {
+                        // Add it to queue
+                        m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(ts.localID, ts.itemID, "timer", new object[] { });
+                        // set next interval
+
+
+                        ts.next = DateTime.Now.ToUniversalTime().AddSeconds(ts.interval);
+                    }
+                }
+            } // lock
+        }
+        #endregion
+
+        #region HTTP REQUEST
+
+        //
+        // HTTP REAQUEST
+        //
+        private class HttpClass
+        {
+            public uint localID;
+            public LLUUID itemID;
+            public string url;
+            public List<string> parameters;
+            public string body;
+            public DateTime next;
+
+            public string response_request_id;
+            public int response_status;
+            public List<string> response_metadata;
+            public string response_body;
+
+            public void SendRequest()
+            {
+                // TODO: SEND REQUEST!!!
+            }
+            public void Stop()
+            {
+                // TODO: Cancel any ongoing request
+            }
+            public bool CheckResponse()
+            {
+                // TODO: Check if we got a response yet, return true if so -- false if not
+                return true;
+
+                // TODO: If we got a response, set the following then return true
+                //response_request_id
+                //response_status
+                //response_metadata
+                //response_body
+
+            }
+        }
+        private List<HttpClass> HttpRequests = new List<HttpClass>();
+        private object HttpListLock = new object();
+        public void StartHttpRequest(uint localID, LLUUID itemID, string url, List<string> parameters, string body)
+        {
+            Console.WriteLine("StartHttpRequest");
+
+            HttpClass htc = new HttpClass();
+            htc.localID = localID;
+            htc.itemID = itemID;
+            htc.url = url;
+            htc.parameters = parameters;
+            htc.body = body;
+            lock (HttpListLock)
+            {
+
+                //ADD REQUEST
+                HttpRequests.Add(htc);
+            }
+        }
+        public void StopHttpRequest(uint m_localID, LLUUID m_itemID)
+        {
+            // Remove from list
+            lock (HttpListLock)
+            {
+                List<HttpClass> NewHttpList = new List<HttpClass>();
+                foreach (HttpClass ts in HttpRequests)
+                {
+                    if (ts.localID != m_localID && ts.itemID != m_itemID)
+                    {
+                        // Keeping this one
+                        NewHttpList.Add(ts);
+                    }
+                    else
+                    {
+                        // Shutting this one down
+                        ts.Stop();
+                    }
+                }
+                HttpRequests.Clear();
+                HttpRequests = NewHttpList;
+            }
+        }
+        public void CheckHttpRequests()
+        {
+            // Nothing to do here?
+            if (HttpRequests.Count == 0)
+                return;
+
+            lock (HttpListLock)
+            {
+                foreach (HttpClass ts in HttpRequests)
+                {
+
+                    if (ts.CheckResponse() == true)
+                    {
+                        // Add it to event queue
+                        //key request_id, integer status, list metadata, string body
+                        object[] resobj = new object[] { ts.response_request_id, ts.response_status, ts.response_metadata, ts.response_body };
+                        m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(ts.localID, ts.itemID, "http_response", resobj);
+                        // Now stop it
+                        StopHttpRequest(ts.localID, ts.itemID);
+                    }
+                }
+            } // lock
+        }
+        #endregion
+
+        public void CheckXMLRPCRequests()
+        {
+
+            IXMLRPC xmlrpc = m_ScriptEngine.World.RequestModuleInterface<IXMLRPC>();
+
+            while (xmlrpc.hasRequests())
+            {
+                RPCRequestInfo rInfo = xmlrpc.GetNextRequest();
+                System.Console.WriteLine("PICKED REQUEST");
+
+                //Deliver data to prim's remote_data handler
+                object[] resobj = new object[] { 
+                    2, rInfo.GetChannelKey().ToString(), rInfo.GetMessageID().ToString(), "", rInfo.GetIntValue(), rInfo.GetStrVal() 
+                };
+                m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(
+                    rInfo.GetLocalID(), rInfo.GetItemID(), "remote_data", resobj
+                );
+
+            }
+
+        }
+
+        public void CheckListeners()
+        {
+
+            IWorldComm comms = m_ScriptEngine.World.RequestModuleInterface<IWorldComm>();
+
+            while (comms.HasMessages())
+            {
+                ListenerInfo lInfo = comms.GetNextMessage();
+                System.Console.WriteLine("PICKED LISTENER");
+
+                //Deliver data to prim's listen handler
+                object[] resobj = new object[] {
+                    lInfo.GetChannel(), lInfo.GetName(), lInfo.GetID().ToString(), lInfo.GetMessage() 
+                };
+
+                m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(
+                    lInfo.GetLocalID(), lInfo.GetItemID(), "listen", resobj
+                );
+
+            }
+
+        }
+
+
+
+
+    }
+}