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-rw-r--r--OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RegionInfoCache.cs137
-rw-r--r--OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs34
2 files changed, 169 insertions, 2 deletions
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RegionInfoCache.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RegionInfoCache.cs
new file mode 100644
index 0000000..786e0b5
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RegionInfoCache.cs
@@ -0,0 +1,137 @@
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 */
27using System;
28using System.Reflection;
29using System.Collections.Generic;
30using OpenSim.Framework;
31using OpenSim.Services.Interfaces;
32using OpenMetaverse;
33using log4net;
34using GridRegion = OpenSim.Services.Interfaces.GridRegion;
35
36namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
37{
38 public class RegionInfoCache
39 {
40 private const double CACHE_EXPIRATION_SECONDS = 300.0; // 5 minutes
41
42// private static readonly ILog m_log =
43// LogManager.GetLogger(
44// MethodBase.GetCurrentMethod().DeclaringType);
45
46 internal struct ScopedRegionUUID
47 {
48 public UUID m_scopeID;
49 public UUID m_regionID;
50 public ScopedRegionUUID(UUID scopeID, UUID regionID)
51 {
52 m_scopeID = scopeID;
53 m_regionID = regionID;
54 }
55 }
56
57 internal struct ScopedRegionName
58 {
59 public UUID m_scopeID;
60 public string m_name;
61 public ScopedRegionName(UUID scopeID, string name)
62 {
63 m_scopeID = scopeID;
64 m_name = name;
65 }
66 }
67
68 private ExpiringCache<ScopedRegionUUID, GridRegion> m_UUIDCache;
69 private ExpiringCache<ScopedRegionName, ScopedRegionUUID> m_NameCache;
70
71 public RegionInfoCache()
72 {
73 m_UUIDCache = new ExpiringCache<ScopedRegionUUID, GridRegion>();
74 m_NameCache = new ExpiringCache<ScopedRegionName, ScopedRegionUUID>();
75 }
76
77 public void Cache(GridRegion rinfo)
78 {
79 if (rinfo != null)
80 this.Cache(rinfo.ScopeID,rinfo.RegionID,rinfo);
81 }
82
83 public void Cache(UUID scopeID, UUID regionID, GridRegion rinfo)
84 {
85 // for now, do not cache negative results; this is because
86 // we need to figure out how to handle regions coming online
87 // in a timely way
88 if (rinfo == null)
89 return;
90
91 ScopedRegionUUID id = new ScopedRegionUUID(scopeID,regionID);
92
93 // Cache even null accounts
94 m_UUIDCache.AddOrUpdate(id, rinfo, CACHE_EXPIRATION_SECONDS);
95 if (rinfo != null)
96 {
97 ScopedRegionName name = new ScopedRegionName(scopeID,rinfo.RegionName);
98 m_NameCache.AddOrUpdate(name, id, CACHE_EXPIRATION_SECONDS);
99 }
100 }
101
102 public GridRegion Get(UUID scopeID, UUID regionID, out bool inCache)
103 {
104 inCache = false;
105
106 GridRegion rinfo = null;
107 ScopedRegionUUID id = new ScopedRegionUUID(scopeID,regionID);
108 if (m_UUIDCache.TryGetValue(id, out rinfo))
109 {
110 inCache = true;
111 return rinfo;
112 }
113
114 return null;
115 }
116
117 public GridRegion Get(UUID scopeID, string name, out bool inCache)
118 {
119 inCache = false;
120
121 ScopedRegionName sname = new ScopedRegionName(scopeID,name);
122
123 ScopedRegionUUID id;
124 if (m_NameCache.TryGetValue(sname, out id))
125 {
126 GridRegion rinfo = null;
127 if (m_UUIDCache.TryGetValue(id, out rinfo))
128 {
129 inCache = true;
130 return rinfo;
131 }
132 }
133
134 return null;
135 }
136 }
137}
diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
index 33cc838..6f364ae 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/RemoteGridServiceConnector.cs
@@ -53,6 +53,8 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
53 private IGridService m_LocalGridService; 53 private IGridService m_LocalGridService;
54 private IGridService m_RemoteGridService; 54 private IGridService m_RemoteGridService;
55 55
56 private RegionInfoCache m_RegionInfoCache = new RegionInfoCache();
57
56 public RemoteGridServicesConnector() 58 public RemoteGridServicesConnector()
57 { 59 {
58 } 60 }
@@ -169,10 +171,16 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
169 171
170 public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID) 172 public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID)
171 { 173 {
172 GridRegion rinfo = m_LocalGridService.GetRegionByUUID(scopeID, regionID); 174 bool inCache = false;
175 GridRegion rinfo = m_RegionInfoCache.Get(scopeID,regionID,out inCache);
176 if (inCache)
177 return rinfo;
178
179 rinfo = m_LocalGridService.GetRegionByUUID(scopeID, regionID);
173 if (rinfo == null) 180 if (rinfo == null)
174 rinfo = m_RemoteGridService.GetRegionByUUID(scopeID, regionID); 181 rinfo = m_RemoteGridService.GetRegionByUUID(scopeID, regionID);
175 182
183 m_RegionInfoCache.Cache(scopeID,regionID,rinfo);
176 return rinfo; 184 return rinfo;
177 } 185 }
178 186
@@ -187,10 +195,17 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
187 195
188 public GridRegion GetRegionByName(UUID scopeID, string regionName) 196 public GridRegion GetRegionByName(UUID scopeID, string regionName)
189 { 197 {
190 GridRegion rinfo = m_LocalGridService.GetRegionByName(scopeID, regionName); 198 bool inCache = false;
199 GridRegion rinfo = m_RegionInfoCache.Get(scopeID,regionName, out inCache);
200 if (inCache)
201 return rinfo;
202
203 rinfo = m_LocalGridService.GetRegionByName(scopeID, regionName);
191 if (rinfo == null) 204 if (rinfo == null)
192 rinfo = m_RemoteGridService.GetRegionByName(scopeID, regionName); 205 rinfo = m_RemoteGridService.GetRegionByName(scopeID, regionName);
193 206
207 // can't cache negative results for name lookups
208 m_RegionInfoCache.Cache(rinfo);
194 return rinfo; 209 return rinfo;
195 } 210 }
196 211
@@ -204,8 +219,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
204 { 219 {
205 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetRegionsByName {0} found {1} regions", name, grinfo.Count); 220 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetRegionsByName {0} found {1} regions", name, grinfo.Count);
206 foreach (GridRegion r in grinfo) 221 foreach (GridRegion r in grinfo)
222 {
223 m_RegionInfoCache.Cache(r);
207 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null) 224 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null)
208 rinfo.Add(r); 225 rinfo.Add(r);
226 }
209 } 227 }
210 228
211 return rinfo; 229 return rinfo;
@@ -221,8 +239,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
221 { 239 {
222 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetRegionRange {0} found {1} regions", name, grinfo.Count); 240 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetRegionRange {0} found {1} regions", name, grinfo.Count);
223 foreach (GridRegion r in grinfo) 241 foreach (GridRegion r in grinfo)
242 {
243 m_RegionInfoCache.Cache(r);
224 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null) 244 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null)
225 rinfo.Add(r); 245 rinfo.Add(r);
246 }
226 } 247 }
227 248
228 return rinfo; 249 return rinfo;
@@ -238,8 +259,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
238 { 259 {
239 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetDefaultRegions {0} found {1} regions", name, grinfo.Count); 260 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetDefaultRegions {0} found {1} regions", name, grinfo.Count);
240 foreach (GridRegion r in grinfo) 261 foreach (GridRegion r in grinfo)
262 {
263 m_RegionInfoCache.Cache(r);
241 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null) 264 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null)
242 rinfo.Add(r); 265 rinfo.Add(r);
266 }
243 } 267 }
244 268
245 return rinfo; 269 return rinfo;
@@ -255,8 +279,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
255 { 279 {
256 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetFallbackRegions {0} found {1} regions", name, grinfo.Count); 280 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetFallbackRegions {0} found {1} regions", name, grinfo.Count);
257 foreach (GridRegion r in grinfo) 281 foreach (GridRegion r in grinfo)
282 {
283 m_RegionInfoCache.Cache(r);
258 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null) 284 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null)
259 rinfo.Add(r); 285 rinfo.Add(r);
286 }
260 } 287 }
261 288
262 return rinfo; 289 return rinfo;
@@ -272,8 +299,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
272 { 299 {
273 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetHyperlinks {0} found {1} regions", name, grinfo.Count); 300 //m_log.DebugFormat("[REMOTE GRID CONNECTOR]: Remote GetHyperlinks {0} found {1} regions", name, grinfo.Count);
274 foreach (GridRegion r in grinfo) 301 foreach (GridRegion r in grinfo)
302 {
303 m_RegionInfoCache.Cache(r);
275 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null) 304 if (rinfo.Find(delegate(GridRegion gr) { return gr.RegionID == r.RegionID; }) == null)
276 rinfo.Add(r); 305 rinfo.Add(r);
306 }
277 } 307 }
278 308
279 return rinfo; 309 return rinfo;