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diff --git a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/ScriptEngine.cs b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/ScriptEngine.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 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.Generic;
30using System.Reflection;
31using log4net;
32using Nini.Config;
33using OpenSim.Region.Interfaces;
34using OpenSim.Region.Environment.Interfaces;
35using OpenSim.Region.Environment.Scenes;
36using OpenSim.Region.ScriptEngine.Interfaces;
37using OpenMetaverse;
38using OpenSim.Region.ScriptEngine.Shared;
39
40namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
41{
42 /// <summary>
43 /// This is the root object for ScriptEngine. Objects access each other trough this class.
44 /// </summary>
45 ///
46 [Serializable]
47 public abstract class ScriptEngine : IRegionModule, IScriptModule, iScriptEngineFunctionModule, IEventReceiver
48 {
49 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
50
51 public static List<ScriptEngine> ScriptEngines = new List<ScriptEngine>();
52 private Scene m_Scene;
53 public Scene World
54 {
55 get { return m_Scene; }
56 }
57 public EventManager m_EventManager; // Handles and queues incoming events from OpenSim
58 public EventQueueManager m_EventQueueManager; // Executes events, handles script threads
59 public ScriptManager m_ScriptManager; // Load, unload and execute scripts
60 public AppDomainManager m_AppDomainManager; // Handles loading/unloading of scripts into AppDomains
61 public static MaintenanceThread m_MaintenanceThread; // Thread that does different kinds of maintenance, for example refreshing config and killing scripts that has been running too long
62
63 public IConfigSource ConfigSource;
64 public IConfig ScriptConfigSource;
65 public abstract string ScriptEngineName { get; }
66 private bool m_enabled = false;
67 private bool m_hookUpToServer = false;
68
69 public IConfig Config
70 {
71 get { return ScriptConfigSource; }
72 }
73
74 /// <summary>
75 /// How many seconds between re-reading config-file. 0 = never. ScriptEngine will try to adjust to new config changes.
76 /// </summary>
77 public int RefreshConfigFileSeconds {
78 get { return (int)(RefreshConfigFilens / 10000000); }
79 set { RefreshConfigFilens = value * 10000000; }
80 }
81 public long RefreshConfigFilens;
82
83 public ScriptManager GetScriptManager()
84 {
85 return _GetScriptManager();
86 }
87
88 public abstract ScriptManager _GetScriptManager();
89
90 public ILog Log
91 {
92 get { return m_log; }
93 }
94
95 public ScriptEngine()
96 {
97 Common.mySE = this; // For logging, just need any instance, doesn't matter
98 lock (ScriptEngines)
99 {
100 ScriptEngines.Add(this); // Keep a list of ScriptEngines for shared threads to process all instances
101 }
102 }
103
104 public void InitializeEngine(Scene Sceneworld, IConfigSource config, bool HookUpToServer, ScriptManager newScriptManager)
105 {
106 m_Scene = Sceneworld;
107 ConfigSource = config;
108 m_hookUpToServer = HookUpToServer;
109
110 m_log.Info("[" + ScriptEngineName + "]: ScriptEngine initializing");
111
112 // Make sure we have config
113 if (ConfigSource.Configs[ScriptEngineName] == null)
114 ConfigSource.AddConfig(ScriptEngineName);
115 ScriptConfigSource = ConfigSource.Configs[ScriptEngineName];
116
117 m_enabled = ScriptConfigSource.GetBoolean("Enabled", true);
118 if (!m_enabled)
119 return;
120
121 //m_log.Info("[" + ScriptEngineName + "]: InitializeEngine");
122
123 // Create all objects we'll be using
124 m_EventQueueManager = new EventQueueManager(this);
125 m_EventManager = new EventManager(this, HookUpToServer);
126 // We need to start it
127 m_ScriptManager = newScriptManager;
128 m_ScriptManager.Setup();
129 m_AppDomainManager = new AppDomainManager(this);
130 if (m_MaintenanceThread == null)
131 m_MaintenanceThread = new MaintenanceThread();
132
133 m_log.Info("[" + ScriptEngineName + "]: Reading configuration from config section \"" + ScriptEngineName + "\"");
134 ReadConfig();
135
136 m_Scene.StackModuleInterface<IScriptModule>(this);
137 }
138
139 public void PostInitialise()
140 {
141 if (!m_enabled)
142 return;
143
144 if (m_hookUpToServer)
145 m_EventManager.HookUpEvents();
146
147 m_ScriptManager.Start();
148 }
149
150 public void Shutdown()
151 {
152 // We are shutting down
153 lock (ScriptEngines)
154 {
155 ScriptEngines.Remove(this);
156 }
157 }
158
159 public void ReadConfig()
160 {
161#if DEBUG
162 //m_log.Debug("[" + ScriptEngineName + "]: Refreshing configuration for all modules");
163#endif
164 RefreshConfigFileSeconds = ScriptConfigSource.GetInt("RefreshConfig", 30);
165
166
167 // Create a new object (probably not necessary?)
168// ScriptConfigSource = ConfigSource.Configs[ScriptEngineName];
169
170 if (m_EventQueueManager != null) m_EventQueueManager.ReadConfig();
171 if (m_EventManager != null) m_EventManager.ReadConfig();
172 if (m_ScriptManager != null) m_ScriptManager.ReadConfig();
173 if (m_AppDomainManager != null) m_AppDomainManager.ReadConfig();
174 if (m_MaintenanceThread != null) m_MaintenanceThread.ReadConfig();
175 }
176
177 #region IRegionModule
178
179 public abstract void Initialise(Scene scene, IConfigSource config);
180
181 public void Close()
182 {
183 }
184
185 public string Name
186 {
187 get { return "Common." + ScriptEngineName; }
188 }
189
190 public bool IsSharedModule
191 {
192 get { return false; }
193 }
194
195 public bool PostObjectEvent(uint localID, EventParams p)
196 {
197 return m_EventQueueManager.AddToObjectQueue(localID, p.EventName, p.DetectParams, p.Params);
198 }
199
200 public bool PostScriptEvent(UUID itemID, EventParams p)
201 {
202 uint localID = m_ScriptManager.GetLocalID(itemID);
203 return m_EventQueueManager.AddToScriptQueue(localID, itemID, p.EventName, p.DetectParams, p.Params);
204 }
205
206 public DetectParams GetDetectParams(UUID itemID, int number)
207 {
208 uint localID = m_ScriptManager.GetLocalID(itemID);
209 if (localID == 0)
210 return null;
211
212 IScript Script = m_ScriptManager.GetScript(localID, itemID);
213
214 if (Script == null)
215 return null;
216
217 DetectParams[] det = m_ScriptManager.GetDetectParams(Script);
218
219 if (number < 0 || number >= det.Length)
220 return null;
221
222 return det[number];
223 }
224
225 public int GetStartParameter(UUID itemID)
226 {
227 return 0;
228 }
229 #endregion
230
231 public void SetState(UUID itemID, string state)
232 {
233 uint localID = m_ScriptManager.GetLocalID(itemID);
234 if (localID == 0)
235 return;
236
237 IScript Script = m_ScriptManager.GetScript(localID, itemID);
238
239 if (Script == null)
240 return;
241
242 string currentState = Script.State;
243
244 if (currentState != state)
245 {
246 try
247 {
248 m_EventManager.state_exit(localID);
249
250 }
251 catch (AppDomainUnloadedException)
252 {
253 Console.WriteLine("[SCRIPT]: state change called when script was unloaded. Nothing to worry about, but noting the occurance");
254 }
255
256 Script.State = state;
257
258 try
259 {
260 int eventFlags = m_ScriptManager.GetStateEventFlags(localID, itemID);
261 SceneObjectPart part = m_Scene.GetSceneObjectPart(itemID);
262 if (part != null)
263 part.SetScriptEvents(itemID, eventFlags);
264 m_EventManager.state_entry(localID);
265 }
266 catch (AppDomainUnloadedException)
267 {
268 Console.WriteLine("[SCRIPT]: state change called when script was unloaded. Nothing to worry about, but noting the occurance");
269 }
270 }
271 }
272
273 public bool GetScriptState(UUID itemID)
274 {
275 uint localID = m_ScriptManager.GetLocalID(itemID);
276 if (localID == 0)
277 return false;
278
279 IScript script = m_ScriptManager.GetScript(localID, itemID);
280 if (script == null)
281 return false;
282
283 return script.Exec.Running?true:false;
284 }
285
286 public void SetScriptState(UUID itemID, bool state)
287 {
288 uint localID = m_ScriptManager.GetLocalID(itemID);
289 if (localID == 0)
290 return;
291
292 IScript script = m_ScriptManager.GetScript(localID, itemID);
293 if (script == null)
294 return;
295
296 script.Exec.Running = state;
297 }
298
299 public void ApiResetScript(UUID itemID)
300 {
301 uint localID = m_ScriptManager.GetLocalID(itemID);
302 if (localID == 0)
303 return;
304
305 m_ScriptManager.ResetScript(localID, itemID);
306 }
307
308 public void ResetScript(UUID itemID)
309 {
310 uint localID = m_ScriptManager.GetLocalID(itemID);
311 if (localID == 0)
312 return;
313
314 m_ScriptManager.ResetScript(localID, itemID);
315 }
316 }
317}
generated by cgit v1.1 at 2024-09-18 01:09:44 +0000