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authorMelanie Thielker2008-09-26 13:16:11 +0000
committerMelanie Thielker2008-09-26 13:16:11 +0000
commit824283ca3c2ab54868ed61fdb0a329221d69e5fa (patch)
tree9013892fa2afa579bffe8bdcd6a46e2242ed085c /OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/MaintenanceThread.cs
parent* Wind updates. Still random.. but in 4 directions instead of two! (diff)
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Remove all the subclassing complexity and script server interfaces from
DNE and move all of DNE into the DotNetEngine directory. Remove references that would cause the script runtime to load the entire engine + scene into each script appdomain. This might help DNE memory consumption.
Diffstat (limited to 'OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/MaintenanceThread.cs')
-rw-r--r--OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/MaintenanceThread.cs243
1 files changed, 0 insertions, 243 deletions
diff --git a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/MaintenanceThread.cs b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/MaintenanceThread.cs
deleted file mode 100644
index ef87b2f..0000000
--- a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/MaintenanceThread.cs
+++ /dev/null
@@ -1,243 +0,0 @@
1/*
2 * Copyright (c) Contributors, http://opensimulator.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
28using System;
29using System.Collections;
30using System.Reflection;
31using System.Threading;
32using log4net;
33using OpenSim.Framework;
34
35namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
36{
37 /// <summary>
38 /// This class does maintenance on script engine.
39 /// </summary>
40 public class MaintenanceThread : iScriptEngineFunctionModule
41 {
42
43 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
44
45 //public ScriptEngine m_ScriptEngine;
46 private int MaintenanceLoopms;
47 private int MaintenanceLoopTicks_ScriptLoadUnload;
48 private int MaintenanceLoopTicks_Other;
49
50
51 public MaintenanceThread()
52 {
53 //m_ScriptEngine = _ScriptEngine;
54
55 ReadConfig();
56
57 // Start maintenance thread
58 StartMaintenanceThread();
59 }
60
61 ~MaintenanceThread()
62 {
63 StopMaintenanceThread();
64 }
65
66 public void ReadConfig()
67 {
68 // Bad hack, but we need a m_ScriptEngine :)
69 lock (ScriptEngine.ScriptEngines)
70 {
71 foreach (ScriptEngine m_ScriptEngine in ScriptEngine.ScriptEngines)
72 {
73 MaintenanceLoopms = m_ScriptEngine.ScriptConfigSource.GetInt("MaintenanceLoopms", 50);
74 MaintenanceLoopTicks_ScriptLoadUnload =
75 m_ScriptEngine.ScriptConfigSource.GetInt("MaintenanceLoopTicks_ScriptLoadUnload", 1);
76 MaintenanceLoopTicks_Other =
77 m_ScriptEngine.ScriptConfigSource.GetInt("MaintenanceLoopTicks_Other", 10);
78
79 return;
80 }
81 }
82 }
83
84 #region " Maintenance thread "
85 /// <summary>
86 /// Maintenance thread. Enforcing max execution time for example.
87 /// </summary>
88 public Thread MaintenanceThreadThread;
89
90 /// <summary>
91 /// Starts maintenance thread
92 /// </summary>
93 private void StartMaintenanceThread()
94 {
95 if (MaintenanceThreadThread == null)
96 {
97 MaintenanceThreadThread = new Thread(MaintenanceLoop);
98 MaintenanceThreadThread.Name = "ScriptMaintenanceThread";
99 MaintenanceThreadThread.IsBackground = true;
100 MaintenanceThreadThread.Start();
101 ThreadTracker.Add(MaintenanceThreadThread);
102 }
103 }
104
105 /// <summary>
106 /// Stops maintenance thread
107 /// </summary>
108 private void StopMaintenanceThread()
109 {
110#if DEBUG
111 //m_ScriptEngine.Log.Debug("[" + m_ScriptEngine.ScriptEngineName + "]: StopMaintenanceThread() called");
112#endif
113 //PleaseShutdown = true;
114 Thread.Sleep(100);
115 try
116 {
117 if (MaintenanceThreadThread != null && MaintenanceThreadThread.IsAlive)
118 {
119 MaintenanceThreadThread.Abort();
120 }
121 }
122 catch (Exception)
123 {
124 //m_ScriptEngine.Log.Error("[" + m_ScriptEngine.ScriptEngineName + "]: Exception stopping maintenence thread: " + ex.ToString());
125 }
126 }
127
128 // private ScriptEngine lastScriptEngine; // Keep track of what ScriptEngine instance we are at so we can give exception
129 /// <summary>
130 /// A thread should run in this loop and check all running scripts
131 /// </summary>
132 public void MaintenanceLoop()
133 {
134 //if (m_ScriptEngine.m_EventQueueManager.maxFunctionExecutionTimens < MaintenanceLoopms)
135 // m_ScriptEngine.Log.Warn("[" + m_ScriptEngine.ScriptEngineName + "]: " +
136 // "Configuration error: MaxEventExecutionTimeMs is less than MaintenanceLoopms. The Maintenance Loop will only check scripts once per run.");
137
138 long Last_maxFunctionExecutionTimens = 0; // DateTime.Now.Ticks;
139 long Last_ReReadConfigFilens = DateTime.Now.Ticks;
140 int MaintenanceLoopTicks_ScriptLoadUnload_Count = 0;
141 int MaintenanceLoopTicks_Other_Count = 0;
142 bool MaintenanceLoopTicks_ScriptLoadUnload_ResetCount = false;
143 bool MaintenanceLoopTicks_Other_ResetCount = false;
144
145 while (true)
146 {
147 try
148 {
149 while (true)
150 {
151 Thread.Sleep(MaintenanceLoopms); // Sleep before next pass
152
153 // Reset counters?
154 if (MaintenanceLoopTicks_ScriptLoadUnload_ResetCount)
155 {
156 MaintenanceLoopTicks_ScriptLoadUnload_ResetCount = false;
157 MaintenanceLoopTicks_ScriptLoadUnload_Count = 0;
158 }
159 if (MaintenanceLoopTicks_Other_ResetCount)
160 {
161 MaintenanceLoopTicks_Other_ResetCount = false;
162 MaintenanceLoopTicks_Other_Count = 0;
163 }
164
165 // Increase our counters
166 MaintenanceLoopTicks_ScriptLoadUnload_Count++;
167 MaintenanceLoopTicks_Other_Count++;
168
169
170 //lock (ScriptEngine.ScriptEngines)
171 //{
172 foreach (ScriptEngine m_ScriptEngine in new ArrayList(ScriptEngine.ScriptEngines))
173 {
174 // lastScriptEngine = m_ScriptEngine;
175 // Re-reading config every x seconds
176 if (MaintenanceLoopTicks_Other_Count >= MaintenanceLoopTicks_Other)
177 {
178 MaintenanceLoopTicks_Other_ResetCount = true;
179 if (m_ScriptEngine.RefreshConfigFilens > 0)
180 {
181 // Check if its time to re-read config
182 if (DateTime.Now.Ticks - Last_ReReadConfigFilens >
183 m_ScriptEngine.RefreshConfigFilens)
184 {
185 //Console.WriteLine("Time passed: " + (DateTime.Now.Ticks - Last_ReReadConfigFilens) + ">" + m_ScriptEngine.RefreshConfigFilens);
186 // Its time to re-read config file
187 m_ScriptEngine.ReadConfig();
188 Last_ReReadConfigFilens = DateTime.Now.Ticks; // Reset time
189 }
190
191
192 // Adjust number of running script threads if not correct
193 if (m_ScriptEngine.m_EventQueueManager != null)
194 m_ScriptEngine.m_EventQueueManager.AdjustNumberOfScriptThreads();
195
196 // Check if any script has exceeded its max execution time
197 if (EventQueueManager.EnforceMaxExecutionTime)
198 {
199 // We are enforcing execution time
200 if (DateTime.Now.Ticks - Last_maxFunctionExecutionTimens >
201 EventQueueManager.maxFunctionExecutionTimens)
202 {
203 // Its time to check again
204 m_ScriptEngine.m_EventQueueManager.CheckScriptMaxExecTime(); // Do check
205 Last_maxFunctionExecutionTimens = DateTime.Now.Ticks; // Reset time
206 }
207 }
208 }
209 }
210 if (MaintenanceLoopTicks_ScriptLoadUnload_Count >= MaintenanceLoopTicks_ScriptLoadUnload)
211 {
212 MaintenanceLoopTicks_ScriptLoadUnload_ResetCount = true;
213 // LOAD / UNLOAD SCRIPTS
214 if (m_ScriptEngine.m_ScriptManager != null)
215 m_ScriptEngine.m_ScriptManager.DoScriptLoadUnload();
216 }
217 }
218 //}
219 }
220 }
221 catch(ThreadAbortException)
222 {
223 m_log.Error("Thread aborted in MaintenanceLoopThread. If this is during shutdown, please ignore");
224 }
225 catch (Exception ex)
226 {
227 m_log.ErrorFormat("Exception in MaintenanceLoopThread. Thread will recover after 5 sec throttle. Exception: {0}", ex.ToString());
228 }
229 }
230 }
231 #endregion
232
233 ///// <summary>
234 ///// If set to true then threads and stuff should try to make a graceful exit
235 ///// </summary>
236 //public bool PleaseShutdown
237 //{
238 // get { return _PleaseShutdown; }
239 // set { _PleaseShutdown = value; }
240 //}
241 //private bool _PleaseShutdown = false;
242 }
243}
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