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-rw-r--r--OpenSim/Region/Environment/Modules/Agent/TextureDownload/TextureDownloadModule.cs58
1 files changed, 49 insertions, 9 deletions
diff --git a/OpenSim/Region/Environment/Modules/Agent/TextureDownload/TextureDownloadModule.cs b/OpenSim/Region/Environment/Modules/Agent/TextureDownload/TextureDownloadModule.cs
index a7ad37d..35fa5ed 100644
--- a/OpenSim/Region/Environment/Modules/Agent/TextureDownload/TextureDownloadModule.cs
+++ b/OpenSim/Region/Environment/Modules/Agent/TextureDownload/TextureDownloadModule.cs
@@ -121,7 +121,7 @@ namespace OpenSim.Region.Environment.Modules.Agent.TextureDownload
121 if (m_userTextureServices.TryGetValue(agentId, out textureService)) 121 if (m_userTextureServices.TryGetValue(agentId, out textureService))
122 { 122 {
123 textureService.Close(); 123 textureService.Close();
124 m_log.DebugFormat("[TEXTURE MODULE]: Removing UserTextureServices from {0}", m_scene.RegionInfo.RegionName); 124 //m_log.DebugFormat("[TEXTURE MODULE]: Removing UserTextureServices from {0}", m_scene.RegionInfo.RegionName);
125 m_userTextureServices.Remove(agentId); 125 m_userTextureServices.Remove(agentId);
126 } 126 }
127 } 127 }
@@ -129,17 +129,60 @@ namespace OpenSim.Region.Environment.Modules.Agent.TextureDownload
129 129
130 public void NewClient(IClientAPI client) 130 public void NewClient(IClientAPI client)
131 { 131 {
132 UserTextureDownloadService textureService;
133
134 lock (m_userTextureServices)
135 {
136 if (m_userTextureServices.TryGetValue(client.AgentId, out textureService))
137 {
138 textureService.Close();
139 //m_log.DebugFormat("[TEXTURE MODULE]: Removing outdated UserTextureServices from {0}", m_scene.RegionInfo.RegionName);
140 m_userTextureServices.Remove(client.AgentId);
141 }
142 m_userTextureServices.Add(client.AgentId, new UserTextureDownloadService(client, m_scene, m_queueSenders));
143 }
144
132 client.OnRequestTexture += TextureRequest; 145 client.OnRequestTexture += TextureRequest;
133 } 146 }
134 147
148 /// I'm commenting this out, and replacing it with the implementation below, which
149 /// may return a null value. This is necessary for avoiding race conditions
150 /// recreating UserTextureServices for clients that have just been closed.
151 /// That behavior of always returning a UserTextureServices was causing the
152 /// A-B-A problem (mantis #2855).
153 ///
154 ///// <summary>
155 ///// Does this user have a registered texture download service?
156 ///// </summary>
157 ///// <param name="userID"></param>
158 ///// <param name="textureService"></param>
159 ///// <returns>Always returns true, since a service is created if one does not already exist</returns>
160 //private bool TryGetUserTextureService(
161 // IClientAPI client, out UserTextureDownloadService textureService)
162 //{
163 // lock (m_userTextureServices)
164 // {
165 // if (m_userTextureServices.TryGetValue(client.AgentId, out textureService))
166 // {
167 // //m_log.DebugFormat("[TEXTURE MODULE]: Found existing UserTextureServices in ", m_scene.RegionInfo.RegionName);
168 // return true;
169 // }
170
171 // m_log.DebugFormat("[TEXTURE MODULE]: Creating new UserTextureServices in ", m_scene.RegionInfo.RegionName);
172 // textureService = new UserTextureDownloadService(client, m_scene, m_queueSenders);
173 // m_userTextureServices.Add(client.AgentId, textureService);
174
175 // return true;
176 // }
177 //}
178
135 /// <summary> 179 /// <summary>
136 /// Does this user have a registered texture download service? 180 /// Does this user have a registered texture download service?
137 /// </summary> 181 /// </summary>
138 /// <param name="userID"></param> 182 /// <param name="userID"></param>
139 /// <param name="textureService"></param> 183 /// <param name="textureService"></param>
140 /// <returns>Always returns true, since a service is created if one does not already exist</returns> 184 /// <returns>A UserTextureDownloadService or null in the output parameter, and true or false accordingly.</returns>
141 private bool TryGetUserTextureService( 185 private bool TryGetUserTextureService(IClientAPI client, out UserTextureDownloadService textureService)
142 IClientAPI client, out UserTextureDownloadService textureService)
143 { 186 {
144 lock (m_userTextureServices) 187 lock (m_userTextureServices)
145 { 188 {
@@ -149,11 +192,8 @@ namespace OpenSim.Region.Environment.Modules.Agent.TextureDownload
149 return true; 192 return true;
150 } 193 }
151 194
152 m_log.DebugFormat("[TEXTURE MODULE]: Creating new UserTextureServices in ", m_scene.RegionInfo.RegionName); 195 textureService = null;
153 textureService = new UserTextureDownloadService(client, m_scene, m_queueSenders); 196 return false;
154 m_userTextureServices.Add(client.AgentId, textureService);
155
156 return true;
157 } 197 }
158 } 198 }
159 199