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Diffstat (limited to 'OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/LSLLongCmdHandler.cs')
-rw-r--r-- | OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/LSLLongCmdHandler.cs | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/LSLLongCmdHandler.cs b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/LSLLongCmdHandler.cs new file mode 100644 index 0000000..94241eb --- /dev/null +++ b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/LSLLongCmdHandler.cs | |||
@@ -0,0 +1,295 @@ | |||
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 | */ | ||
28 | |||
29 | using System; | ||
30 | using System.Collections.Generic; | ||
31 | using System.Threading; | ||
32 | using libsecondlife; | ||
33 | using OpenSim.Region.Environment.Interfaces; | ||
34 | using OpenSim.Region.Environment.Modules; | ||
35 | |||
36 | namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase | ||
37 | { | ||
38 | /// <summary> | ||
39 | /// Handles LSL commands that takes long time and returns an event, for example timers, HTTP requests, etc. | ||
40 | /// </summary> | ||
41 | public class LSLLongCmdHandler | ||
42 | { | ||
43 | private Thread cmdHandlerThread; | ||
44 | private int cmdHandlerThreadCycleSleepms = 100; | ||
45 | |||
46 | private ScriptEngine m_ScriptEngine; | ||
47 | |||
48 | public LSLLongCmdHandler(ScriptEngine _ScriptEngine) | ||
49 | { | ||
50 | m_ScriptEngine = _ScriptEngine; | ||
51 | |||
52 | // Start the thread that will be doing the work | ||
53 | cmdHandlerThread = new Thread(CmdHandlerThreadLoop); | ||
54 | cmdHandlerThread.Name = "CmdHandlerThread"; | ||
55 | cmdHandlerThread.Priority = ThreadPriority.BelowNormal; | ||
56 | cmdHandlerThread.IsBackground = true; | ||
57 | cmdHandlerThread.Start(); | ||
58 | } | ||
59 | |||
60 | ~LSLLongCmdHandler() | ||
61 | { | ||
62 | // Shut down thread | ||
63 | try | ||
64 | { | ||
65 | if (cmdHandlerThread != null) | ||
66 | { | ||
67 | if (cmdHandlerThread.IsAlive == true) | ||
68 | { | ||
69 | cmdHandlerThread.Abort(); | ||
70 | cmdHandlerThread.Join(); | ||
71 | } | ||
72 | } | ||
73 | } | ||
74 | catch | ||
75 | { | ||
76 | } | ||
77 | } | ||
78 | |||
79 | private void CmdHandlerThreadLoop() | ||
80 | { | ||
81 | while (true) | ||
82 | { | ||
83 | // Check timers | ||
84 | CheckTimerEvents(); | ||
85 | Thread.Sleep(25); | ||
86 | // Check HttpRequests | ||
87 | CheckHttpRequests(); | ||
88 | Thread.Sleep(25); | ||
89 | // Check XMLRPCRequests | ||
90 | CheckXMLRPCRequests(); | ||
91 | Thread.Sleep(25); | ||
92 | // Check Listeners | ||
93 | CheckListeners(); | ||
94 | Thread.Sleep(25); | ||
95 | |||
96 | // Sleep before next cycle | ||
97 | //Thread.Sleep(cmdHandlerThreadCycleSleepms); | ||
98 | } | ||
99 | } | ||
100 | |||
101 | /// <summary> | ||
102 | /// Remove a specific script (and all its pending commands) | ||
103 | /// </summary> | ||
104 | /// <param name="m_localID"></param> | ||
105 | /// <param name="m_itemID"></param> | ||
106 | public void RemoveScript(uint localID, LLUUID itemID) | ||
107 | { | ||
108 | // Remove a specific script | ||
109 | |||
110 | // Remove from: Timers | ||
111 | UnSetTimerEvents(localID, itemID); | ||
112 | // Remove from: HttpRequest | ||
113 | IHttpRequests iHttpReq = | ||
114 | m_ScriptEngine.World.RequestModuleInterface<IHttpRequests>(); | ||
115 | iHttpReq.StopHttpRequest(localID, itemID); | ||
116 | } | ||
117 | |||
118 | #region TIMER | ||
119 | |||
120 | // | ||
121 | // TIMER | ||
122 | // | ||
123 | private class TimerClass | ||
124 | { | ||
125 | public uint localID; | ||
126 | public LLUUID itemID; | ||
127 | public double interval; | ||
128 | public DateTime next; | ||
129 | } | ||
130 | |||
131 | private List<TimerClass> Timers = new List<TimerClass>(); | ||
132 | private object TimerListLock = new object(); | ||
133 | |||
134 | public void SetTimerEvent(uint m_localID, LLUUID m_itemID, double sec) | ||
135 | { | ||
136 | Console.WriteLine("SetTimerEvent"); | ||
137 | |||
138 | // Always remove first, in case this is a re-set | ||
139 | UnSetTimerEvents(m_localID, m_itemID); | ||
140 | if (sec == 0) // Disabling timer | ||
141 | return; | ||
142 | |||
143 | // Add to timer | ||
144 | TimerClass ts = new TimerClass(); | ||
145 | ts.localID = m_localID; | ||
146 | ts.itemID = m_itemID; | ||
147 | ts.interval = sec; | ||
148 | ts.next = DateTime.Now.ToUniversalTime().AddSeconds(ts.interval); | ||
149 | lock (TimerListLock) | ||
150 | { | ||
151 | Timers.Add(ts); | ||
152 | } | ||
153 | } | ||
154 | |||
155 | public void UnSetTimerEvents(uint m_localID, LLUUID m_itemID) | ||
156 | { | ||
157 | // Remove from timer | ||
158 | lock (TimerListLock) | ||
159 | { | ||
160 | List<TimerClass> NewTimers = new List<TimerClass>(); | ||
161 | foreach (TimerClass ts in Timers) | ||
162 | { | ||
163 | if (ts.localID != m_localID && ts.itemID != m_itemID) | ||
164 | { | ||
165 | NewTimers.Add(ts); | ||
166 | } | ||
167 | } | ||
168 | Timers.Clear(); | ||
169 | Timers = NewTimers; | ||
170 | } | ||
171 | } | ||
172 | |||
173 | public void CheckTimerEvents() | ||
174 | { | ||
175 | // Nothing to do here? | ||
176 | if (Timers.Count == 0) | ||
177 | return; | ||
178 | |||
179 | lock (TimerListLock) | ||
180 | { | ||
181 | // Go through all timers | ||
182 | foreach (TimerClass ts in Timers) | ||
183 | { | ||
184 | // Time has passed? | ||
185 | if (ts.next.ToUniversalTime() < DateTime.Now.ToUniversalTime()) | ||
186 | { | ||
187 | // Add it to queue | ||
188 | m_ScriptEngine.m_EventQueueManager.AddToScriptQueue(ts.localID, ts.itemID, "timer", | ||
189 | new object[] {}); | ||
190 | // set next interval | ||
191 | |||
192 | |||
193 | ts.next = DateTime.Now.ToUniversalTime().AddSeconds(ts.interval); | ||
194 | } | ||
195 | } | ||
196 | } // lock | ||
197 | } | ||
198 | |||
199 | #endregion | ||
200 | |||
201 | #region HTTP REQUEST | ||
202 | |||
203 | public void CheckHttpRequests() | ||
204 | { | ||
205 | if (m_ScriptEngine.World == null) | ||
206 | return; | ||
207 | |||
208 | IHttpRequests iHttpReq = | ||
209 | m_ScriptEngine.World.RequestModuleInterface<IHttpRequests>(); | ||
210 | |||
211 | HttpRequestClass httpInfo = null; | ||
212 | |||
213 | if (iHttpReq != null) | ||
214 | httpInfo = iHttpReq.GetNextCompletedRequest(); | ||
215 | |||
216 | while (httpInfo != null) | ||
217 | { | ||
218 | //Console.WriteLine("PICKED HTTP REQ:" + httpInfo.response_body + httpInfo.status); | ||
219 | |||
220 | // Deliver data to prim's remote_data handler | ||
221 | // | ||
222 | // TODO: Returning null for metadata, since the lsl function | ||
223 | // only returns the byte for HTTP_BODY_TRUNCATED, which is not | ||
224 | // implemented here yet anyway. Should be fixed if/when maxsize | ||
225 | // is supported | ||
226 | |||
227 | object[] resobj = new object[] | ||
228 | { | ||
229 | httpInfo.reqID.ToString(), httpInfo.status, null, httpInfo.response_body | ||
230 | }; | ||
231 | |||
232 | m_ScriptEngine.m_EventQueueManager.AddToScriptQueue( | ||
233 | httpInfo.localID, httpInfo.itemID, "http_response", resobj | ||
234 | ); | ||
235 | |||
236 | httpInfo.Stop(); | ||
237 | httpInfo = null; | ||
238 | |||
239 | httpInfo = iHttpReq.GetNextCompletedRequest(); | ||
240 | } | ||
241 | } | ||
242 | |||
243 | #endregion | ||
244 | |||
245 | public void CheckXMLRPCRequests() | ||
246 | { | ||
247 | if (m_ScriptEngine.World == null) | ||
248 | return; | ||
249 | |||
250 | IXMLRPC xmlrpc = m_ScriptEngine.World.RequestModuleInterface<IXMLRPC>(); | ||
251 | |||
252 | if (xmlrpc != null) | ||
253 | { | ||
254 | while (xmlrpc.hasRequests()) | ||
255 | { | ||
256 | RPCRequestInfo rInfo = xmlrpc.GetNextRequest(); | ||
257 | //Console.WriteLine("PICKED REQUEST"); | ||
258 | |||
259 | //Deliver data to prim's remote_data handler | ||
260 | object[] resobj = new object[] | ||
261 | { | ||
262 | 2, rInfo.GetChannelKey().ToString(), rInfo.GetMessageID().ToString(), "", | ||
263 | rInfo.GetIntValue(), | ||
264 | rInfo.GetStrVal() | ||
265 | }; | ||
266 | m_ScriptEngine.m_EventQueueManager.AddToScriptQueue( | ||
267 | rInfo.GetLocalID(), rInfo.GetItemID(), "remote_data", resobj | ||
268 | ); | ||
269 | } | ||
270 | } | ||
271 | } | ||
272 | |||
273 | public void CheckListeners() | ||
274 | { | ||
275 | if (m_ScriptEngine.World == null) | ||
276 | return; | ||
277 | IWorldComm comms = m_ScriptEngine.World.RequestModuleInterface<IWorldComm>(); | ||
278 | |||
279 | while (comms.HasMessages()) | ||
280 | { | ||
281 | ListenerInfo lInfo = comms.GetNextMessage(); | ||
282 | |||
283 | //Deliver data to prim's listen handler | ||
284 | object[] resobj = new object[] | ||
285 | { | ||
286 | lInfo.GetChannel(), lInfo.GetName(), lInfo.GetID().ToString(), lInfo.GetMessage() | ||
287 | }; | ||
288 | |||
289 | m_ScriptEngine.m_EventQueueManager.AddToScriptQueue( | ||
290 | lInfo.GetLocalID(), lInfo.GetItemID(), "listen", resobj | ||
291 | ); | ||
292 | } | ||
293 | } | ||
294 | } | ||
295 | } \ No newline at end of file | ||