Added ScriptEngine.DotNetEngine

author: Tedd Hansen 2007-08-08 14:05:13 +0000
committer: Tedd Hansen 2007-08-08 14:05:13 +0000
commit: 2a0e157985d790e6cbd83d61690da2709dfab9dd (patch)
tree: e9c38c11773796111fb4ff222429605bdd76fd5e /OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs
parent: * Got SimpleApp working again (diff)
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1 files changed, 136 insertions, 0 deletions
diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs
new file mode 100644
index 0000000..59f669b
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs
@@ -0,0 +1,136 @@
+/*
+* Copyright (c) Contributors, http://www.openmetaverse.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 OpenSim 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.
+* 
+*/
+/* Original code: Tedd Hansen */
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Reflection;
+namespace OpenSim.Region.ScriptEngine.DotNetEngine
+{
+    class EventQueueManager
+    {
+        private Thread EventQueueThread;
+        private int NothingToDoSleepms = 200;
+        private Queue<QueueItemStruct> EventQueue = new Queue<QueueItemStruct>();
+        private struct QueueItemStruct
+        {
+            public string ObjectID;
+            public string ScriptID;
+            public string FunctionName;
+            public object[] param;
+        }
+        private ScriptEngine myScriptEngine;
+        public EventQueueManager(ScriptEngine _ScriptEngine)
+        {
+            myScriptEngine = _ScriptEngine;
+            Common.SendToDebug("EventQueueManager Start");
+            // Start worker thread
+            EventQueueThread = new Thread(EventQueueThreadLoop);
+            EventQueueThread.IsBackground = true;
+            EventQueueThread.Name = "EventQueueManagerThread";
+            EventQueueThread.Start();
+        }
+        ~EventQueueManager()
+        {
+            // Kill worker thread
+            if (EventQueueThread != null && EventQueueThread.IsAlive == true)
+            {
+                try
+                {
+                    EventQueueThread.Abort();
+                    EventQueueThread.Join();
+                }
+                catch (Exception e)
+                {
+                    Common.SendToDebug("EventQueueManager Exception killing worker thread: " + e.ToString());
+                }
+            }
+            // Todo: Clean up our queues
+        }
+        private void EventQueueThreadLoop()
+        {
+            Common.SendToDebug("EventQueueManager Worker thread spawned");
+            try
+            {
+                while (true)
+                {
+                    if (EventQueue.Count == 0)
+                    {
+                        // Nothing to do? Sleep a bit waiting for something to do
+                        Thread.Sleep(NothingToDoSleepms);
+                    }
+                    else
+                    {
+                        // Something in queue, process
+                        QueueItemStruct QIS = EventQueue.Dequeue();
+                        Common.SendToDebug("Processing event for ObjectID: " + QIS.ObjectID + ", ScriptID: " + QIS.ScriptID + ", FunctionName: " + QIS.FunctionName);
+                        // TODO: Execute function
+                        myScriptEngine.myScriptManager.ExecuteFunction(QIS.ObjectID, QIS.ScriptID, QIS.FunctionName, QIS.param);
+                    }
+                }
+            }
+            catch (ThreadAbortException tae)
+            {
+                Common.SendToDebug("EventQueueManager Worker thread killed: " + tae.Message);
+            }
+        }
+        public void AddToObjectQueue(string ObjectID, string FunctionName, object[] param)
+        {
+            // Determine all scripts in Object and add to their queue
+            Common.SendToDebug("EventQueueManager Adding ObjectID: " + ObjectID + ", FunctionName: " + FunctionName);
+            foreach (string ScriptID in myScriptEngine.myScriptManager.GetScriptKeys(ObjectID))
+            {
+                // Add to each script in that object
+                // TODO: Some scripts may not subscribe to this event. Should we NOT add it? Does it matter?
+                // Create a structure and add data
+                QueueItemStruct QIS = new QueueItemStruct();
+                QIS.ObjectID = ObjectID;
+                QIS.ScriptID = ScriptID;
+                QIS.FunctionName = FunctionName;
+                QIS.param = param;
+                // Add it to queue
+                EventQueue.Enqueue(QIS);
+                
+            }
+        }
+        //public void AddToScriptQueue(string ObjectID, string FunctionName, object[] param)
+        //{
+        //    // Add to script queue
+        //}
+    }
+}
author	Tedd Hansen	2007-08-08 14:05:13 +0000
committer	Tedd Hansen	2007-08-08 14:05:13 +0000
commit	2a0e157985d790e6cbd83d61690da2709dfab9dd (patch)
tree	e9c38c11773796111fb4ff222429605bdd76fd5e /OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs
parent	* Got SimpleApp working again (diff)
download	opensim-SC_OLD-2a0e157985d790e6cbd83d61690da2709dfab9dd.zip opensim-SC_OLD-2a0e157985d790e6cbd83d61690da2709dfab9dd.tar.gz opensim-SC_OLD-2a0e157985d790e6cbd83d61690da2709dfab9dd.tar.bz2 opensim-SC_OLD-2a0e157985d790e6cbd83d61690da2709dfab9dd.tar.xz

diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs new file mode 100644 index 0000000..59f669b --- /dev/null +++ b/OpenSim/Region/ScriptEngine/DotNetEngine/EventQueueManager.cs
@@ -0,0 +1,136 @@
	1	/*
	2	* Copyright (c) Contributors, http://www.openmetaverse.org/
	3	* See CONTRIBUTORS.TXT for a full list of copyright holders.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions are met:
	7	* * Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* * Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	* * Neither the name of the OpenSim Project nor the
	13	* names of its contributors may be used to endorse or promote products
	14	* derived from this software without specific prior written permission.
	15	*
	16	* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
	17	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	18	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	19	* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
	20	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	21	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	22	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	23	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	24	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	25	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	26	*
	27	*/
	28	/* Original code: Tedd Hansen */
	29	using System;
	30	using System.Collections.Generic;
	31	using System.Text;
	32	using System.Threading;
	33	using System.Reflection;
	34
	35	namespace OpenSim.Region.ScriptEngine.DotNetEngine
	36	{
	37	class EventQueueManager
	38	{
	39	private Thread EventQueueThread;
	40	private int NothingToDoSleepms = 200;
	41	private Queue<QueueItemStruct> EventQueue = new Queue<QueueItemStruct>();
	42	private struct QueueItemStruct
	43	{
	44	public string ObjectID;
	45	public string ScriptID;
	46	public string FunctionName;
	47	public object[] param;
	48	}
	49
	50	private ScriptEngine myScriptEngine;
	51	public EventQueueManager(ScriptEngine _ScriptEngine)
	52	{
	53	myScriptEngine = _ScriptEngine;
	54	Common.SendToDebug("EventQueueManager Start");
	55	// Start worker thread
	56	EventQueueThread = new Thread(EventQueueThreadLoop);
	57	EventQueueThread.IsBackground = true;
	58	EventQueueThread.Name = "EventQueueManagerThread";
	59	EventQueueThread.Start();
	60	}
	61	~EventQueueManager()
	62	{
	63	// Kill worker thread
	64	if (EventQueueThread != null && EventQueueThread.IsAlive == true)
	65	{
	66	try
	67	{
	68	EventQueueThread.Abort();
	69	EventQueueThread.Join();
	70	}
	71	catch (Exception e)
	72	{
	73	Common.SendToDebug("EventQueueManager Exception killing worker thread: " + e.ToString());
	74	}
	75	}
	76	// Todo: Clean up our queues
	77
	78	}
	79
	80	private void EventQueueThreadLoop()
	81	{
	82	Common.SendToDebug("EventQueueManager Worker thread spawned");
	83	try
	84	{
	85	while (true)
	86	{
	87	if (EventQueue.Count == 0)
	88	{
	89	// Nothing to do? Sleep a bit waiting for something to do
	90	Thread.Sleep(NothingToDoSleepms);
	91	}
	92	else
	93	{
	94	// Something in queue, process
	95	QueueItemStruct QIS = EventQueue.Dequeue();
	96	Common.SendToDebug("Processing event for ObjectID: " + QIS.ObjectID + ", ScriptID: " + QIS.ScriptID + ", FunctionName: " + QIS.FunctionName);
	97	// TODO: Execute function
	98	myScriptEngine.myScriptManager.ExecuteFunction(QIS.ObjectID, QIS.ScriptID, QIS.FunctionName, QIS.param);
	99	}
	100	}
	101	}
	102	catch (ThreadAbortException tae)
	103	{
	104	Common.SendToDebug("EventQueueManager Worker thread killed: " + tae.Message);
	105	}
	106	}
	107
	108	public void AddToObjectQueue(string ObjectID, string FunctionName, object[] param)
	109	{
	110	// Determine all scripts in Object and add to their queue
	111	Common.SendToDebug("EventQueueManager Adding ObjectID: " + ObjectID + ", FunctionName: " + FunctionName);
	112
	113	foreach (string ScriptID in myScriptEngine.myScriptManager.GetScriptKeys(ObjectID))
	114	{
	115	// Add to each script in that object
	116	// TODO: Some scripts may not subscribe to this event. Should we NOT add it? Does it matter?
	117
	118	// Create a structure and add data
	119	QueueItemStruct QIS = new QueueItemStruct();
	120	QIS.ObjectID = ObjectID;
	121	QIS.ScriptID = ScriptID;
	122	QIS.FunctionName = FunctionName;
	123	QIS.param = param;
	124
	125	// Add it to queue
	126	EventQueue.Enqueue(QIS);
	127
	128	}
	129	}
	130	//public void AddToScriptQueue(string ObjectID, string FunctionName, object[] param)
	131	//{
	132	// // Add to script queue
	133	//}
	134
	135	}
	136	}