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-rw-r--r--OpenSim/ScriptEngine/Components/DotNetEngine/Scheduler/ScriptManager.cs203
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diff --git a/OpenSim/ScriptEngine/Components/DotNetEngine/Scheduler/ScriptManager.cs b/OpenSim/ScriptEngine/Components/DotNetEngine/Scheduler/ScriptManager.cs
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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 OpenSimulator 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.Generic;
30using System.Diagnostics;
31using System.Reflection;
32using System.Text;
33using System.Threading;
34using log4net;
35using OpenMetaverse;
36using OpenSim.Region.ScriptEngine.Shared;
37using OpenSim.ScriptEngine.Shared;
38using EventParams=OpenSim.ScriptEngine.Shared.EventParams;
39
40namespace OpenSim.ScriptEngine.Components.DotNetEngine.Scheduler
41{
42 public partial class ScriptManager: IScriptExecutor
43 {
44 private const int NoWorkSleepMs = 50;
45 private const int NoWorkSleepMsInc = 1; // How much time to increase wait with on every iteration
46 private const int NoWorkSleepMsIncMax = 300; // Max time to wait
47
48 internal static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
49 public string Name { get { return "SECS.DotNetEngine.ScriptManager"; } }
50 private static Thread ScriptLoadUnloadThread;
51 public Dictionary<uint, Dictionary<UUID, ScriptStructure>> Scripts = new Dictionary<uint, Dictionary<UUID, ScriptStructure>>();
52
53 private RegionInfoStructure CurrentRegion;
54 public void Initialize(RegionInfoStructure currentRegion)
55 {
56 CurrentRegion = currentRegion;
57 }
58
59 public ScriptManager()
60 {
61 ScriptLoadUnloadThread = new Thread(LoadUnloadLoop);
62 ScriptLoadUnloadThread.Name = "ScriptLoadUnloadThread";
63 ScriptLoadUnloadThread.IsBackground = true;
64 ScriptLoadUnloadThread.Start();
65 }
66 public void Close() { }
67
68 private void LoadUnloadLoop ()
69 {
70 int _NoWorkSleepMsInc = 0;
71 while (true)
72 {
73 if (DoScriptLoadUnload())
74 {
75 // We found work, reset counter
76 _NoWorkSleepMsInc = NoWorkSleepMs;
77 } else
78 {
79 // We didn't find work
80 // Sleep
81 Thread.Sleep(NoWorkSleepMs + NoWorkSleepMsInc);
82 // Increase sleep delay
83 _NoWorkSleepMsInc += NoWorkSleepMsInc;
84 // Make sure we don't exceed max
85 if (_NoWorkSleepMsInc > NoWorkSleepMsIncMax)
86 _NoWorkSleepMsInc = NoWorkSleepMsIncMax;
87 }
88 }
89 }
90
91 #region Add/Remove/Find script functions for our Script memory structure
92 private void MemAddScript(ScriptStructure script)
93 {
94 lock (scriptLock)
95 {
96 // Create object if it doesn't exist
97 if (!Scripts.ContainsKey(script.LocalID))
98 Scripts.Add(script.LocalID, new Dictionary<UUID, ScriptStructure>());
99
100 // Delete script if it exists
101 Dictionary<UUID, ScriptStructure> Obj;
102 if (Scripts.TryGetValue(script.LocalID, out Obj))
103 if (Obj.ContainsKey(script.ItemID) == true)
104 Obj.Remove(script.ItemID);
105
106 // Add to object
107 Obj.Add(script.ItemID, script);
108 }
109 }
110 private void MemRemoveScript(uint LocalID, UUID ItemID)
111 {
112 // TODO: Also clean up command queue and async commands for object
113 lock (scriptLock)
114 {
115 // Create object if it doesn't exist
116 if (!Scripts.ContainsKey(LocalID))
117 return;
118
119 // Delete script if it exists
120 Dictionary<UUID, ScriptStructure> Obj;
121 if (Scripts.TryGetValue(LocalID, out Obj))
122 if (Obj.ContainsKey(ItemID) == true)
123 Obj.Remove(ItemID);
124
125 // Empty?
126 if (Obj.Count == 0)
127 Scripts.Remove(LocalID);
128
129 }
130 }
131 public bool TryGetScript(uint localID, UUID itemID, ref ScriptStructure script)
132 {
133 lock (scriptLock)
134 {
135
136 if (Scripts.ContainsKey(localID) == false)
137 return false;
138
139 Dictionary<UUID, ScriptStructure> Obj;
140 if (Scripts.TryGetValue(localID, out Obj))
141 if (Obj.ContainsKey(itemID) == false)
142 return false;
143
144 // Get script
145 return Obj.TryGetValue(itemID, out script);
146 }
147 }
148 public ScriptStructure GetScript(uint localID, UUID itemID)
149 {
150 lock (scriptLock)
151 {
152
153 if (Scripts.ContainsKey(localID) == false)
154 throw new Exception("No script with LocalID " + localID + " was found.");
155
156 Dictionary<UUID, ScriptStructure> Obj;
157 if (Scripts.TryGetValue(localID, out Obj))
158 if (Obj.ContainsKey(itemID) == false)
159 throw new Exception("No script with ItemID " + itemID + " was found.");
160
161 // Get script
162 return Obj[itemID];
163 }
164 }
165 public bool TryGetScripts(uint localID, ref Dictionary<UUID, ScriptStructure> returnList)
166 {
167 Dictionary<UUID, ScriptStructure> getList = GetScripts(localID);
168 if (getList != null)
169 {
170 returnList = getList;
171 return true;
172 }
173 return false;
174 }
175 public Dictionary<UUID, ScriptStructure> GetScripts(uint localID)
176 {
177 lock (scriptLock)
178 {
179
180 if (Scripts.ContainsKey(localID) == false)
181 return null;
182 return Scripts[localID];
183 }
184 }
185 #endregion
186
187 public void ExecuteCommand(EventParams p)
188 {
189 ScriptStructure ss = new ScriptStructure();
190 if (TryGetScript(p.LocalID, p.ItemID, ref ss))
191 ExecuteCommand(ref ss, p);
192 }
193
194 public void ExecuteCommand(ref ScriptStructure scriptContainer, EventParams p)
195 {
196 m_log.DebugFormat("[{0}] ######################################################", Name);
197 m_log.DebugFormat("[{0}] Command execution ItemID {1}: \"{2}\".", Name, scriptContainer.ItemID, p.EventName);
198 scriptContainer.ExecuteEvent(p);
199 m_log.DebugFormat("[{0}] ######################################################", Name);
200 }
201
202 }
203}
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