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-rw-r--r--OpenSim/Region/Application/OpenSimBackground.cs1
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs3
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs275
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs65
-rw-r--r--OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs297
-rw-r--r--OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs4
-rw-r--r--OpenSim/Region/Framework/Scenes/Scene.cs8
7 files changed, 210 insertions, 443 deletions
diff --git a/OpenSim/Region/Application/OpenSimBackground.cs b/OpenSim/Region/Application/OpenSimBackground.cs
index ac5e241..008c6b0 100644
--- a/OpenSim/Region/Application/OpenSimBackground.cs
+++ b/OpenSim/Region/Application/OpenSimBackground.cs
@@ -58,6 +58,7 @@ namespace OpenSim
58 m_clientServers.Count.ToString(), m_clientServers.Count > 1 ? "s" : ""); 58 m_clientServers.Count.ToString(), m_clientServers.Count > 1 ? "s" : "");
59 59
60 WorldHasComeToAnEnd.WaitOne(); 60 WorldHasComeToAnEnd.WaitOne();
61 WorldHasComeToAnEnd.Close();
61 } 62 }
62 63
63 /// <summary> 64 /// <summary>
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 84e705a..139dc3b 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -119,6 +119,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
119 119
120 #region Properties 120 #region Properties
121 121
122 public LLUDPClient UDPClient { get { return m_udpClient; } }
122 public UUID SecureSessionId { get { return m_secureSessionId; } } 123 public UUID SecureSessionId { get { return m_secureSessionId; } }
123 public IScene Scene { get { return m_scene; } } 124 public IScene Scene { get { return m_scene; } }
124 public UUID SessionId { get { return m_sessionId; } } 125 public UUID SessionId { get { return m_sessionId; } }
@@ -504,7 +505,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
504 + "Any further actions taken will not be processed.\n" 505 + "Any further actions taken will not be processed.\n"
505 + "Please relog", true); 506 + "Please relog", true);
506 507
507 m_udpServer.SendPacket(m_agentId, packet, ThrottleOutPacketType.Unknown, false); 508 OutPacket(packet, ThrottleOutPacketType.Unknown);
508 509
509 // There may be a better way to do this. Perhaps kick? Not sure this propogates notifications to 510 // There may be a better way to do this. Perhaps kick? Not sure this propogates notifications to
510 // listeners yet, though. 511 // listeners yet, though.
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs
index dbb9861..2972d46 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPClientCollection.cs
@@ -30,253 +30,108 @@ using System.Collections.Generic;
30using System.Net; 30using System.Net;
31using OpenSim.Framework; 31using OpenSim.Framework;
32using OpenMetaverse; 32using OpenMetaverse;
33using BclExtras.Collections;
33 34
34using ReaderWriterLockImpl = OpenMetaverse.ReaderWriterLockSlim; 35using ReaderWriterLockImpl = OpenMetaverse.ReaderWriterLockSlim;
35 36
36namespace OpenSim.Region.ClientStack.LindenUDP 37namespace OpenSim.Region.ClientStack.LindenUDP
37{ 38{
39 /// <summary>
40 /// A thread safe mapping from endpoints to client references
41 /// </summary>
38 public sealed class UDPClientCollection 42 public sealed class UDPClientCollection
39 { 43 {
40 Dictionary<UUID, LLUDPClient> Dictionary1; 44 #region IComparers
41 Dictionary<IPEndPoint, LLUDPClient> Dictionary2;
42 LLUDPClient[] Array;
43 ReaderWriterLockImpl rwLock = new ReaderWriterLockImpl();
44 object m_sync = new object();
45 45
46 public UDPClientCollection() 46 private sealed class IPEndPointComparer : IComparer<IPEndPoint>
47 {
48 Dictionary1 = new Dictionary<UUID, LLUDPClient>();
49 Dictionary2 = new Dictionary<IPEndPoint, LLUDPClient>();
50 Array = new LLUDPClient[0];
51 }
52
53 public UDPClientCollection(int capacity)
54 {
55 Dictionary1 = new Dictionary<UUID, LLUDPClient>(capacity);
56 Dictionary2 = new Dictionary<IPEndPoint, LLUDPClient>(capacity);
57 Array = new LLUDPClient[0];
58 }
59
60 public void Add(UUID key1, IPEndPoint key2, LLUDPClient value)
61 { 47 {
62 //rwLock.EnterWriteLock(); 48 public int Compare(IPEndPoint x, IPEndPoint y)
63
64 //try
65 //{
66 // if (Dictionary1.ContainsKey(key1))
67 // {
68 // if (!Dictionary2.ContainsKey(key2))
69 // throw new ArgumentException("key1 exists in the dictionary but not key2");
70 // }
71 // else if (Dictionary2.ContainsKey(key2))
72 // {
73 // if (!Dictionary1.ContainsKey(key1))
74 // throw new ArgumentException("key2 exists in the dictionary but not key1");
75 // }
76
77 // Dictionary1[key1] = value;
78 // Dictionary2[key2] = value;
79
80 // LLUDPClient[] oldArray = Array;
81 // int oldLength = oldArray.Length;
82
83 // LLUDPClient[] newArray = new LLUDPClient[oldLength + 1];
84 // for (int i = 0; i < oldLength; i++)
85 // newArray[i] = oldArray[i];
86 // newArray[oldLength] = value;
87
88 // Array = newArray;
89 //}
90 //finally { rwLock.ExitWriteLock(); }
91
92 lock (m_sync)
93 { 49 {
94 if (Dictionary1.ContainsKey(key1)) 50 int result = x.Address.Address.CompareTo(y.Address.Address);
95 { 51 if (result == 0) result = x.Port.CompareTo(y.Port);
96 if (!Dictionary2.ContainsKey(key2)) 52 return result;
97 throw new ArgumentException("key1 exists in the dictionary but not key2");
98 }
99 else if (Dictionary2.ContainsKey(key2))
100 {
101 if (!Dictionary1.ContainsKey(key1))
102 throw new ArgumentException("key2 exists in the dictionary but not key1");
103 }
104
105 Dictionary1[key1] = value;
106 Dictionary2[key2] = value;
107
108 LLUDPClient[] oldArray = Array;
109 int oldLength = oldArray.Length;
110
111 LLUDPClient[] newArray = new LLUDPClient[oldLength + 1];
112 for (int i = 0; i < oldLength; i++)
113 newArray[i] = oldArray[i];
114 newArray[oldLength] = value;
115
116 Array = newArray;
117 } 53 }
118
119 } 54 }
120 55
121 public bool Remove(UUID key1, IPEndPoint key2) 56 #endregion IComparers
122 {
123 //rwLock.EnterWriteLock();
124
125 //try
126 //{
127 // LLUDPClient value;
128 // if (Dictionary1.TryGetValue(key1, out value))
129 // {
130 // Dictionary1.Remove(key1);
131 // Dictionary2.Remove(key2);
132
133 // LLUDPClient[] oldArray = Array;
134 // int oldLength = oldArray.Length;
135
136 // LLUDPClient[] newArray = new LLUDPClient[oldLength - 1];
137 // int j = 0;
138 // for (int i = 0; i < oldLength; i++)
139 // {
140 // if (oldArray[i] != value)
141 // newArray[j++] = oldArray[i];
142 // }
143
144 // Array = newArray;
145 // return true;
146 // }
147 //}
148 //finally { rwLock.ExitWriteLock(); }
149
150 //return false;
151
152 lock (m_sync)
153 {
154 LLUDPClient value;
155 if (Dictionary1.TryGetValue(key1, out value))
156 {
157 Dictionary1.Remove(key1);
158 Dictionary2.Remove(key2);
159
160 LLUDPClient[] oldArray = Array;
161 int oldLength = oldArray.Length;
162
163 LLUDPClient[] newArray = new LLUDPClient[oldLength - 1];
164 int j = 0;
165 for (int i = 0; i < oldLength; i++)
166 {
167 if (oldArray[i] != value)
168 newArray[j++] = oldArray[i];
169 }
170 57
171 Array = newArray; 58 /// <summary>An immutable dictionary mapping from <seealso cref="IPEndPoint"/>
172 return true; 59 /// to <seealso cref="LLUDPClient"/> references</summary>
173 } 60 private ImmutableMap<IPEndPoint, LLUDPClient> m_dict;
174 } 61 /// <summary>Immutability grants thread safety for concurrent reads and
175 62 /// read-writes, but not concurrent writes</summary>
176 return false; 63 private object m_writeLock = new object();
177 64
178 } 65 /// <summary>Number of clients in the collection</summary>
66 public int Count { get { return m_dict.Count; } }
179 67
180 public void Clear() 68 /// <summary>
69 /// Default constructor
70 /// </summary>
71 public UDPClientCollection()
181 { 72 {
182 //rwLock.EnterWriteLock(); 73 m_dict = new ImmutableMap<IPEndPoint, LLUDPClient>(new IPEndPointComparer());
183
184 //try
185 //{
186 // Dictionary1.Clear();
187 // Dictionary2.Clear();
188 // Array = new LLUDPClient[0];
189 //}
190 //finally { rwLock.ExitWriteLock(); }
191
192 lock (m_sync)
193 {
194 Dictionary1.Clear();
195 Dictionary2.Clear();
196 Array = new LLUDPClient[0];
197 }
198
199 } 74 }
200 75
201 public int Count 76 /// <summary>
77 /// Add a client reference to the collection
78 /// </summary>
79 /// <param name="key">Remote endpoint of the client</param>
80 /// <param name="value">Reference to the client object</param>
81 public void Add(IPEndPoint key, LLUDPClient value)
202 { 82 {
203 get { return Array.Length; } 83 lock (m_writeLock)
84 m_dict = m_dict.Add(key, value);
204 } 85 }
205 86
206 public bool ContainsKey(UUID key) 87 /// <summary>
88 /// Remove a client from the collection
89 /// </summary>
90 /// <param name="key">Remote endpoint of the client</param>
91 public void Remove(IPEndPoint key)
207 { 92 {
208 return Dictionary1.ContainsKey(key); 93 lock (m_writeLock)
94 m_dict = m_dict.Delete(key);
209 } 95 }
210 96
211 public bool ContainsKey(IPEndPoint key) 97 /// <summary>
98 /// Resets the client collection
99 /// </summary>
100 public void Clear()
212 { 101 {
213 return Dictionary2.ContainsKey(key); 102 lock (m_writeLock)
103 m_dict = new ImmutableMap<IPEndPoint, LLUDPClient>(new IPEndPointComparer());
214 } 104 }
215 105
216 public bool TryGetValue(UUID key, out LLUDPClient value) 106 /// <summary>
107 /// Checks if an endpoint is in the collection
108 /// </summary>
109 /// <param name="key">Endpoint to check for</param>
110 /// <returns>True if the endpoint was found in the collection, otherwise false</returns>
111 public bool ContainsKey(IPEndPoint key)
217 { 112 {
218 ////bool success; 113 return m_dict.ContainsKey(key);
219 ////bool doLock = !rwLock.IsUpgradeableReadLockHeld;
220 ////if (doLock) rwLock.EnterReadLock();
221
222 ////try { success = Dictionary1.TryGetValue(key, out value); }
223 ////finally { if (doLock) rwLock.ExitReadLock(); }
224
225 ////return success;
226
227 lock (m_sync)
228 return Dictionary1.TryGetValue(key, out value);
229
230 //try
231 //{
232 // return Dictionary1.TryGetValue(key, out value);
233 //}
234 //catch { }
235 //value = null;
236 //return false;
237 } 114 }
238 115
116 /// <summary>
117 /// Attempts to fetch a value out of the collection
118 /// </summary>
119 /// <param name="key">Endpoint of the client to retrieve</param>
120 /// <param name="value">Retrieved client, or null on lookup failure</param>
121 /// <returns>True if the lookup succeeded, otherwise false</returns>
239 public bool TryGetValue(IPEndPoint key, out LLUDPClient value) 122 public bool TryGetValue(IPEndPoint key, out LLUDPClient value)
240 { 123 {
241 ////bool success; 124 return m_dict.TryGetValue(key, out value);
242 ////bool doLock = !rwLock.IsUpgradeableReadLockHeld;
243 ////if (doLock) rwLock.EnterReadLock();
244
245 ////try { success = Dictionary2.TryGetValue(key, out value); }
246 ////finally { if (doLock) rwLock.ExitReadLock(); }
247
248 ////return success;
249
250 lock (m_sync)
251 return Dictionary2.TryGetValue(key, out value);
252
253 //try
254 //{
255 // return Dictionary2.TryGetValue(key, out value);
256 //}
257 //catch { }
258 //value = null;
259 //return false;
260
261 } 125 }
262 126
127 /// <summary>
128 /// Performs a given task in parallel for each of the elements in the
129 /// collection
130 /// </summary>
131 /// <param name="action">Action to perform on each element</param>
263 public void ForEach(Action<LLUDPClient> action) 132 public void ForEach(Action<LLUDPClient> action)
264 { 133 {
265 //bool doLock = !rwLock.IsUpgradeableReadLockHeld; 134 Parallel.ForEach<LLUDPClient>(m_dict.Values, action);
266 //if (doLock) rwLock.EnterUpgradeableReadLock();
267
268 //try { Parallel.ForEach<LLUDPClient>(Array, action); }
269 //finally { if (doLock) rwLock.ExitUpgradeableReadLock(); }
270
271 LLUDPClient[] localArray = null;
272 lock (m_sync)
273 {
274 localArray = new LLUDPClient[Array.Length];
275 Array.CopyTo(localArray, 0);
276 }
277
278 Parallel.ForEach<LLUDPClient>(localArray, action);
279
280 } 135 }
281 } 136 }
282} 137}
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
index 1e6927f..7052e0e 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
@@ -96,7 +96,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
96 /// <summary>Incoming packets that are awaiting handling</summary> 96 /// <summary>Incoming packets that are awaiting handling</summary>
97 private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>(); 97 private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>();
98 /// <summary></summary> 98 /// <summary></summary>
99 private UDPClientCollection clients = new UDPClientCollection(); 99 private UDPClientCollection m_clients = new UDPClientCollection();
100 /// <summary>Bandwidth throttle for this UDP server</summary> 100 /// <summary>Bandwidth throttle for this UDP server</summary>
101 private TokenBucket m_throttle; 101 private TokenBucket m_throttle;
102 /// <summary>Bandwidth throttle rates for this UDP server</summary> 102 /// <summary>Bandwidth throttle rates for this UDP server</summary>
@@ -115,7 +115,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
115 public Socket Server { get { return null; } } 115 public Socket Server { get { return null; } }
116 116
117 public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager) 117 public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
118 : base((int)port) 118 : base(listenIP, (int)port)
119 { 119 {
120 #region Environment.TickCount Measurement 120 #region Environment.TickCount Measurement
121 121
@@ -143,7 +143,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
143 public new void Start() 143 public new void Start()
144 { 144 {
145 if (m_scene == null) 145 if (m_scene == null)
146 throw new InvalidOperationException("Cannot LLUDPServer.Start() without an IScene reference"); 146 throw new InvalidOperationException("[LLUDPSERVER]: Cannot LLUDPServer.Start() without an IScene reference");
147 147
148 base.Start(); 148 base.Start();
149 149
@@ -181,22 +181,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
181 return x == m_location; 181 return x == m_location;
182 } 182 }
183 183
184 public void RemoveClient(IClientAPI client) 184 public void RemoveClient(LLUDPClient udpClient)
185 { 185 {
186 m_scene.ClientManager.Remove(client.CircuitCode); 186 m_log.Debug("[LLUDPSERVER]: Removing LLUDPClient for " + udpClient.ClientAPI.Name);
187 client.Close(false);
188 187
189 LLUDPClient udpClient; 188 m_scene.ClientManager.Remove(udpClient.CircuitCode);
190 if (clients.TryGetValue(client.AgentId, out udpClient)) 189 udpClient.ClientAPI.Close(false);
191 { 190 udpClient.Shutdown();
192 m_log.Debug("[LLUDPSERVER]: Removing LLUDPClient for " + client.Name); 191 m_clients.Remove(udpClient.RemoteEndPoint);
193 udpClient.Shutdown();
194 clients.Remove(client.AgentId, udpClient.RemoteEndPoint);
195 }
196 else
197 {
198 m_log.Warn("[LLUDPSERVER]: Failed to remove LLUDPClient for " + client.Name);
199 }
200 } 192 }
201 193
202 public void BroadcastPacket(Packet packet, ThrottleOutPacketType category, bool sendToPausedAgents, bool allowSplitting) 194 public void BroadcastPacket(Packet packet, ThrottleOutPacketType category, bool sendToPausedAgents, bool allowSplitting)
@@ -216,7 +208,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
216 for (int i = 0; i < packetCount; i++) 208 for (int i = 0; i < packetCount; i++)
217 { 209 {
218 byte[] data = datas[i]; 210 byte[] data = datas[i];
219 clients.ForEach( 211 m_clients.ForEach(
220 delegate(LLUDPClient client) 212 delegate(LLUDPClient client)
221 { SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); }); 213 { SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); });
222 } 214 }
@@ -224,21 +216,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
224 else 216 else
225 { 217 {
226 byte[] data = packet.ToBytes(); 218 byte[] data = packet.ToBytes();
227 clients.ForEach( 219 m_clients.ForEach(
228 delegate(LLUDPClient client) 220 delegate(LLUDPClient client)
229 { SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); }); 221 { SendPacketData(client, data, data.Length, packet.Type, packet.Header.Zerocoded, category); });
230 } 222 }
231 } 223 }
232 224
233 public void SendPacket(UUID agentID, Packet packet, ThrottleOutPacketType category, bool allowSplitting)
234 {
235 LLUDPClient client;
236 if (clients.TryGetValue(agentID, out client))
237 SendPacket(client, packet, category, allowSplitting);
238 else
239 m_log.Warn("[LLUDPSERVER]: Attempted to send a packet to unknown agentID " + agentID);
240 }
241
242 public void SendPacket(LLUDPClient client, Packet packet, ThrottleOutPacketType category, bool allowSplitting) 225 public void SendPacket(LLUDPClient client, Packet packet, ThrottleOutPacketType category, bool allowSplitting)
243 { 226 {
244 // CoarseLocationUpdate packets cannot be split in an automated way 227 // CoarseLocationUpdate packets cannot be split in an automated way
@@ -391,7 +374,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
391 { 374 {
392 m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + client.ClientAPI.Name); 375 m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + client.ClientAPI.Name);
393 376
394 RemoveClient(client.ClientAPI); 377 RemoveClient(client);
395 return; 378 return;
396 } 379 }
397 } 380 }
@@ -519,9 +502,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
519 } 502 }
520 503
521 // Determine which agent this packet came from 504 // Determine which agent this packet came from
522 if (!clients.TryGetValue(address, out client)) 505 if (!m_clients.TryGetValue(address, out client))
523 { 506 {
524 m_log.Warn("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address); 507 m_log.Warn("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address +
508 ", currently tracking " + m_clients.Count + " clients");
525 return; 509 return;
526 } 510 }
527 511
@@ -623,7 +607,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
623 if (m_scene.RegionStatus != RegionStatus.SlaveScene) 607 if (m_scene.RegionStatus != RegionStatus.SlaveScene)
624 { 608 {
625 AuthenticateResponse sessionInfo; 609 AuthenticateResponse sessionInfo;
626 bool isNewCircuit = !clients.ContainsKey(remoteEndPoint); 610 bool isNewCircuit = !m_clients.ContainsKey(remoteEndPoint);
627 611
628 if (!IsClientAuthorized(useCircuitCode, out sessionInfo)) 612 if (!IsClientAuthorized(useCircuitCode, out sessionInfo))
629 { 613 {
@@ -647,23 +631,25 @@ namespace OpenSim.Region.ClientStack.LindenUDP
647 private void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo) 631 private void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)
648 { 632 {
649 // Create the LLUDPClient 633 // Create the LLUDPClient
650 LLUDPClient client = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint); 634 LLUDPClient udpClient = new LLUDPClient(this, m_throttleRates, m_throttle, circuitCode, agentID, remoteEndPoint);
651 635
652 // Create the LLClientView 636 // Create the LLClientView
653 LLClientView clientApi = new LLClientView(remoteEndPoint, m_scene, this, client, sessionInfo, agentID, sessionID, circuitCode); 637 LLClientView clientApi = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
654 clientApi.OnViewerEffect += m_scene.ClientManager.ViewerEffectHandler; 638 clientApi.OnViewerEffect += m_scene.ClientManager.ViewerEffectHandler;
655 clientApi.OnLogout += LogoutHandler; 639 clientApi.OnLogout += LogoutHandler;
656 clientApi.OnConnectionClosed += RemoveClient; 640 clientApi.OnConnectionClosed +=
641 delegate(IClientAPI client)
642 { if (client is LLClientView) RemoveClient(((LLClientView)client).UDPClient); };
657 643
658 // Start the IClientAPI 644 // Start the IClientAPI
659 m_scene.ClientManager.Add(circuitCode, clientApi); 645 m_scene.ClientManager.Add(circuitCode, clientApi);
660 clientApi.Start(); 646 clientApi.Start();
661 647
662 // Give LLUDPClient a reference to IClientAPI 648 // Give LLUDPClient a reference to IClientAPI
663 client.ClientAPI = clientApi; 649 udpClient.ClientAPI = clientApi;
664 650
665 // Add the new client to our list of tracked clients 651 // Add the new client to our list of tracked clients
666 clients.Add(agentID, client.RemoteEndPoint, client); 652 m_clients.Add(udpClient.RemoteEndPoint, udpClient);
667 } 653 }
668 654
669 private void AcknowledgePacket(LLUDPClient client, uint ack, int currentTime, bool fromResend) 655 private void AcknowledgePacket(LLUDPClient client, uint ack, int currentTime, bool fromResend)
@@ -741,7 +727,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
741 elapsed500MS = 0; 727 elapsed500MS = 0;
742 } 728 }
743 729
744 clients.ForEach( 730 m_clients.ForEach(
745 delegate(LLUDPClient client) 731 delegate(LLUDPClient client)
746 { 732 {
747 if (client.DequeueOutgoing()) 733 if (client.DequeueOutgoing())
@@ -798,7 +784,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
798 private void LogoutHandler(IClientAPI client) 784 private void LogoutHandler(IClientAPI client)
799 { 785 {
800 client.SendLogoutPacket(); 786 client.SendLogoutPacket();
801 RemoveClient(client); 787 if (client is LLClientView)
788 RemoveClient(((LLClientView)client).UDPClient);
802 } 789 }
803 } 790 }
804} 791}
diff --git a/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs b/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs
index 218aaac..e78a4fe 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs
@@ -29,101 +29,90 @@ using System;
29using System.Net; 29using System.Net;
30using System.Net.Sockets; 30using System.Net.Sockets;
31using System.Threading; 31using System.Threading;
32using OpenMetaverse; 32using log4net;
33 33
34namespace OpenSim.Region.ClientStack.LindenUDP 34namespace OpenMetaverse
35{ 35{
36 /// <summary> 36 /// <summary>
37 /// 37 /// Base UDP server
38 /// </summary> 38 /// </summary>
39 public abstract class OpenSimUDPBase 39 public abstract class OpenSimUDPBase
40 { 40 {
41 // these abstract methods must be implemented in a derived class to actually do 41 private static readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
42 // something with the packets that are sent and received. 42
43 /// <summary>
44 /// This method is called when an incoming packet is received
45 /// </summary>
46 /// <param name="buffer">Incoming packet buffer</param>
43 protected abstract void PacketReceived(UDPPacketBuffer buffer); 47 protected abstract void PacketReceived(UDPPacketBuffer buffer);
48
49 /// <summary>
50 /// This method is called when an outgoing packet is sent
51 /// </summary>
52 /// <param name="buffer">Outgoing packet buffer</param>
53 /// <param name="bytesSent">Number of bytes written to the wire</param>
44 protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent); 54 protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent);
45 55
46 // the port to listen on 56 /// <summary>UDP port to bind to in server mode</summary>
47 internal int udpPort; 57 protected int m_udpPort;
48
49 // the UDP socket
50 private Socket udpSocket;
51 58
52 // the ReaderWriterLock is used solely for the purposes of shutdown (Stop()). 59 /// <summary>Local IP address to bind to in server mode</summary>
53 // since there are potentially many "reader" threads in the internal .NET IOCP 60 protected IPAddress m_localBindAddress;
54 // thread pool, this is a cheaper synchronization primitive than using
55 // a Mutex object. This allows many UDP socket "reads" concurrently - when
56 // Stop() is called, it attempts to obtain a writer lock which will then
57 // wait until all outstanding operations are completed before shutting down.
58 // this avoids the problem of closing the socket with outstanding operations
59 // and trying to catch the inevitable ObjectDisposedException.
60 private ReaderWriterLock rwLock = new ReaderWriterLock();
61 61
62 // number of outstanding operations. This is a reference count 62 /// <summary>UDP socket, used in either client or server mode</summary>
63 // which we use to ensure that the threads exit cleanly. Note that 63 private Socket m_udpSocket;
64 // we need this because the threads will potentially still need to process
65 // data even after the socket is closed.
66 private int rwOperationCount = 0;
67 64
68 // the all important shutdownFlag. This is synchronized through the ReaderWriterLock. 65 /// <summary>The all important shutdown flag</summary>
69 private volatile bool shutdownFlag = true; 66 private volatile bool m_shutdownFlag = true;
70
71 // the remote endpoint to communicate with
72 protected IPEndPoint remoteEndPoint = null;
73 67
68 /// <summary>Returns true if the server is currently listening, otherwise false</summary>
69 public bool IsRunning { get { return !m_shutdownFlag; } }
74 70
75 /// <summary> 71 /// <summary>
76 /// Initialize the UDP packet handler in server mode 72 /// Default constructor
77 /// </summary> 73 /// </summary>
74 /// <param name="bindAddress">Local IP address to bind the server to</param>
78 /// <param name="port">Port to listening for incoming UDP packets on</param> 75 /// <param name="port">Port to listening for incoming UDP packets on</param>
79 public OpenSimUDPBase(int port) 76 public OpenSimUDPBase(IPAddress bindAddress, int port)
80 { 77 {
81 udpPort = port; 78 m_localBindAddress = bindAddress;
79 m_udpPort = port;
82 } 80 }
83 81
84 /// <summary> 82 /// <summary>
85 /// Initialize the UDP packet handler in client mode 83 /// Start the UDP server
86 /// </summary>
87 /// <param name="endPoint">Remote UDP server to connect to</param>
88 public OpenSimUDPBase(IPEndPoint endPoint)
89 {
90 remoteEndPoint = endPoint;
91 udpPort = 0;
92 }
93
94 /// <summary>
95 ///
96 /// </summary> 84 /// </summary>
85 /// <remarks>This method will attempt to set the SIO_UDP_CONNRESET flag
86 /// on the socket to get newer versions of Windows to behave in a sane
87 /// manner (not throwing an exception when the remote side resets the
88 /// connection). This call is ignored on Mono where the flag is not
89 /// necessary</remarks>
97 public void Start() 90 public void Start()
98 { 91 {
99 if (shutdownFlag) 92 if (m_shutdownFlag)
100 { 93 {
101 if (remoteEndPoint == null) 94 const int SIO_UDP_CONNRESET = -1744830452;
102 {
103 // Server mode
104 95
105 // create and bind the socket 96 IPEndPoint ipep = new IPEndPoint(m_localBindAddress, m_udpPort);
106 IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort); 97 m_udpSocket = new Socket(
107 udpSocket = new Socket( 98 AddressFamily.InterNetwork,
108 AddressFamily.InterNetwork, 99 SocketType.Dgram,
109 SocketType.Dgram, 100 ProtocolType.Udp);
110 ProtocolType.Udp); 101 try
111 udpSocket.Bind(ipep); 102 {
103 // this udp socket flag is not supported under mono,
104 // so we'll catch the exception and continue
105 m_udpSocket.IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, null);
106 m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag set");
112 } 107 }
113 else 108 catch (SocketException)
114 { 109 {
115 // Client mode 110 m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag not supported on this platform, ignoring");
116 IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort);
117 udpSocket = new Socket(
118 AddressFamily.InterNetwork,
119 SocketType.Dgram,
120 ProtocolType.Udp);
121 udpSocket.Bind(ipep);
122 //udpSocket.Connect(remoteEndPoint);
123 } 111 }
112 m_udpSocket.Bind(ipep);
124 113
125 // we're not shutting down, we're starting up 114 // we're not shutting down, we're starting up
126 shutdownFlag = false; 115 m_shutdownFlag = false;
127 116
128 // kick off an async receive. The Start() method will return, the 117 // kick off an async receive. The Start() method will return, the
129 // actual receives will occur asynchronously and will be caught in 118 // actual receives will occur asynchronously and will be caught in
@@ -133,103 +122,81 @@ namespace OpenSim.Region.ClientStack.LindenUDP
133 } 122 }
134 123
135 /// <summary> 124 /// <summary>
136 /// 125 /// Stops the UDP server
137 /// </summary> 126 /// </summary>
138 public void Stop() 127 public void Stop()
139 { 128 {
140 if (!shutdownFlag) 129 if (!m_shutdownFlag)
141 { 130 {
142 // wait indefinitely for a writer lock. Once this is called, the .NET runtime 131 // wait indefinitely for a writer lock. Once this is called, the .NET runtime
143 // will deny any more reader locks, in effect blocking all other send/receive 132 // will deny any more reader locks, in effect blocking all other send/receive
144 // threads. Once we have the lock, we set shutdownFlag to inform the other 133 // threads. Once we have the lock, we set shutdownFlag to inform the other
145 // threads that the socket is closed. 134 // threads that the socket is closed.
146 rwLock.AcquireWriterLock(-1); 135 m_shutdownFlag = true;
147 shutdownFlag = true; 136 m_udpSocket.Close();
148 udpSocket.Close();
149 rwLock.ReleaseWriterLock();
150
151 // wait for any pending operations to complete on other
152 // threads before exiting.
153 const int FORCE_STOP = 100;
154 int i = 0;
155 while (rwOperationCount > 0 && i < FORCE_STOP)
156 {
157 Thread.Sleep(10);
158 ++i;
159 }
160
161 if (i >= FORCE_STOP)
162 {
163 Logger.Log("UDPBase.Stop() forced shutdown while waiting on pending operations",
164 Helpers.LogLevel.Warning);
165 }
166 } 137 }
167 } 138 }
168 139
169 /// <summary>
170 ///
171 /// </summary>
172 public bool IsRunning
173 {
174 get { return !shutdownFlag; }
175 }
176
177 private void AsyncBeginReceive() 140 private void AsyncBeginReceive()
178 { 141 {
179 // this method actually kicks off the async read on the socket. 142 // allocate a packet buffer
180 // we aquire a reader lock here to ensure that no other thread 143 //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut();
181 // is trying to set shutdownFlag and close the socket. 144 UDPPacketBuffer buf = new UDPPacketBuffer();
182 rwLock.AcquireReaderLock(-1);
183 145
184 if (!shutdownFlag) 146 if (!m_shutdownFlag)
185 { 147 {
186 // increment the count of pending operations
187 Interlocked.Increment(ref rwOperationCount);
188
189 // allocate a packet buffer
190 //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut();
191 UDPPacketBuffer buf = new UDPPacketBuffer();
192
193 try 148 try
194 { 149 {
195 // kick off an async read 150 // kick off an async read
196 udpSocket.BeginReceiveFrom( 151 m_udpSocket.BeginReceiveFrom(
197 //wrappedBuffer.Instance.Data, 152 //wrappedBuffer.Instance.Data,
198 buf.Data, 153 buf.Data,
199 0, 154 0,
200 UDPPacketBuffer.BUFFER_SIZE, 155 UDPPacketBuffer.BUFFER_SIZE,
201 SocketFlags.None, 156 SocketFlags.None,
202 //ref wrappedBuffer.Instance.RemoteEndPoint,
203 ref buf.RemoteEndPoint, 157 ref buf.RemoteEndPoint,
204 new AsyncCallback(AsyncEndReceive), 158 AsyncEndReceive,
205 //wrappedBuffer); 159 //wrappedBuffer);
206 buf); 160 buf);
207 } 161 }
208 catch (SocketException) 162 catch (SocketException e)
209 { 163 {
210 // something bad happened 164 if (e.SocketErrorCode == SocketError.ConnectionReset)
211 //Logger.Log( 165 {
212 // "A SocketException occurred in UDPServer.AsyncBeginReceive()", 166 m_log.Warn("[UDPBASE]: SIO_UDP_CONNRESET was ignored, attempting to salvage the UDP listener on port " + m_udpPort);
213 // Helpers.LogLevel.Error, se); 167 bool salvaged = false;
214 168 while (!salvaged)
215 // an error occurred, therefore the operation is void. Decrement the reference count. 169 {
216 Interlocked.Decrement(ref rwOperationCount); 170 try
171 {
172 m_udpSocket.BeginReceiveFrom(
173 //wrappedBuffer.Instance.Data,
174 buf.Data,
175 0,
176 UDPPacketBuffer.BUFFER_SIZE,
177 SocketFlags.None,
178 ref buf.RemoteEndPoint,
179 AsyncEndReceive,
180 //wrappedBuffer);
181 buf);
182 salvaged = true;
183 }
184 catch (SocketException) { }
185 catch (ObjectDisposedException) { return; }
186 }
187
188 m_log.Warn("[UDPBASE]: Salvaged the UDP listener on port " + m_udpPort);
189 }
217 } 190 }
191 catch (ObjectDisposedException) { }
218 } 192 }
219
220 // we're done with the socket for now, release the reader lock.
221 rwLock.ReleaseReaderLock();
222 } 193 }
223 194
224 private void AsyncEndReceive(IAsyncResult iar) 195 private void AsyncEndReceive(IAsyncResult iar)
225 { 196 {
226 // Asynchronous receive operations will complete here through the call 197 // Asynchronous receive operations will complete here through the call
227 // to AsyncBeginReceive 198 // to AsyncBeginReceive
228 199 if (!m_shutdownFlag)
229 // aquire a reader lock
230 rwLock.AcquireReaderLock(-1);
231
232 if (!shutdownFlag)
233 { 200 {
234 // get the buffer that was created in AsyncBeginReceive 201 // get the buffer that was created in AsyncBeginReceive
235 // this is the received data 202 // this is the received data
@@ -241,100 +208,56 @@ namespace OpenSim.Region.ClientStack.LindenUDP
241 { 208 {
242 // get the length of data actually read from the socket, store it with the 209 // get the length of data actually read from the socket, store it with the
243 // buffer 210 // buffer
244 buffer.DataLength = udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint); 211 buffer.DataLength = m_udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint);
245
246 // this operation is now complete, decrement the reference count
247 Interlocked.Decrement(ref rwOperationCount);
248
249 // we're done with the socket, release the reader lock
250 rwLock.ReleaseReaderLock();
251 212
252 // call the abstract method PacketReceived(), passing the buffer that 213 // call the abstract method PacketReceived(), passing the buffer that
253 // has just been filled from the socket read. 214 // has just been filled from the socket read.
254 PacketReceived(buffer); 215 PacketReceived(buffer);
255 } 216 }
256 catch (SocketException) 217 catch (SocketException) { }
257 { 218 catch (ObjectDisposedException) { }
258 // an error occurred, therefore the operation is void. Decrement the reference count.
259 Interlocked.Decrement(ref rwOperationCount);
260
261 // we're done with the socket for now, release the reader lock.
262 rwLock.ReleaseReaderLock();
263 }
264 finally 219 finally
265 { 220 {
221 // wrappedBuffer.Dispose();
222
266 // start another receive - this keeps the server going! 223 // start another receive - this keeps the server going!
267 AsyncBeginReceive(); 224 AsyncBeginReceive();
268
269 //wrappedBuffer.Dispose();
270 } 225 }
271 } 226
272 else
273 {
274 // nothing bad happened, but we are done with the operation
275 // decrement the reference count and release the reader lock
276 Interlocked.Decrement(ref rwOperationCount);
277 rwLock.ReleaseReaderLock();
278 } 227 }
279 } 228 }
280 229
281 public void AsyncBeginSend(UDPPacketBuffer buf) 230 public void AsyncBeginSend(UDPPacketBuffer buf)
282 { 231 {
283 rwLock.AcquireReaderLock(-1); 232 if (!m_shutdownFlag)
284
285 if (!shutdownFlag)
286 { 233 {
287 try 234 try
288 { 235 {
289 Interlocked.Increment(ref rwOperationCount); 236 m_udpSocket.BeginSendTo(
290 udpSocket.BeginSendTo(
291 buf.Data, 237 buf.Data,
292 0, 238 0,
293 buf.DataLength, 239 buf.DataLength,
294 SocketFlags.None, 240 SocketFlags.None,
295 buf.RemoteEndPoint, 241 buf.RemoteEndPoint,
296 new AsyncCallback(AsyncEndSend), 242 AsyncEndSend,
297 buf); 243 buf);
298 } 244 }
299 catch (SocketException) 245 catch (SocketException) { }
300 { 246 catch (ObjectDisposedException) { }
301 //Logger.Log(
302 // "A SocketException occurred in UDPServer.AsyncBeginSend()",
303 // Helpers.LogLevel.Error, se);
304 }
305 } 247 }
306
307 rwLock.ReleaseReaderLock();
308 } 248 }
309 249
310 private void AsyncEndSend(IAsyncResult iar) 250 void AsyncEndSend(IAsyncResult result)
311 { 251 {
312 rwLock.AcquireReaderLock(-1); 252 try
313
314 if (!shutdownFlag)
315 { 253 {
316 UDPPacketBuffer buffer = (UDPPacketBuffer)iar.AsyncState; 254 UDPPacketBuffer buf = (UDPPacketBuffer)result.AsyncState;
255 int bytesSent = m_udpSocket.EndSendTo(result);
317 256
318 try 257 PacketSent(buf, bytesSent);
319 {
320 int bytesSent = udpSocket.EndSendTo(iar);
321
322 // note that call to the abstract PacketSent() method - we are passing the number
323 // of bytes sent in a separate parameter, since we can't use buffer.DataLength which
324 // is the number of bytes to send (or bytes received depending upon whether this
325 // buffer was part of a send or a receive).
326 PacketSent(buffer, bytesSent);
327 }
328 catch (SocketException)
329 {
330 //Logger.Log(
331 // "A SocketException occurred in UDPServer.AsyncEndSend()",
332 // Helpers.LogLevel.Error, se);
333 }
334 } 258 }
335 259 catch (SocketException) { }
336 Interlocked.Decrement(ref rwOperationCount); 260 catch (ObjectDisposedException) { }
337 rwLock.ReleaseReaderLock();
338 } 261 }
339 } 262 }
340} 263}
diff --git a/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs b/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
index b885420..9b565ed 100644
--- a/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
@@ -57,7 +57,7 @@ namespace OpenSim.Region.CoreModules.Scripting.LSLHttp
57 public string body; 57 public string body;
58 public int responseCode; 58 public int responseCode;
59 public string responseBody; 59 public string responseBody;
60 public ManualResetEvent ev; 60 //public ManualResetEvent ev;
61 public bool requestDone; 61 public bool requestDone;
62 public int startTime; 62 public int startTime;
63 public string uri; 63 public string uri;
@@ -456,7 +456,7 @@ namespace OpenSim.Region.CoreModules.Scripting.LSLHttp
456 requestData.headers["x-query-string"] = queryString; 456 requestData.headers["x-query-string"] = queryString;
457 requestData.headers["x-script-url"] = url.url; 457 requestData.headers["x-script-url"] = url.url;
458 458
459 requestData.ev = new ManualResetEvent(false); 459 //requestData.ev = new ManualResetEvent(false);
460 lock (url.requests) 460 lock (url.requests)
461 { 461 {
462 url.requests.Add(requestID, requestData); 462 url.requests.Add(requestID, requestData);
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index ceff28b..6a550fa 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1186,10 +1186,10 @@ namespace OpenSim.Region.Framework.Scenes
1186 if (!m_backingup) 1186 if (!m_backingup)
1187 { 1187 {
1188 m_backingup = true; 1188 m_backingup = true;
1189 Thread backupthread = new Thread(Backup); 1189
1190 backupthread.Name = "BackupWriter"; 1190 System.ComponentModel.BackgroundWorker backupWorker = new System.ComponentModel.BackgroundWorker();
1191 backupthread.IsBackground = true; 1191 backupWorker.DoWork += delegate(object sender, System.ComponentModel.DoWorkEventArgs e) { Backup(); };
1192 backupthread.Start(); 1192 backupWorker.RunWorkerAsync();
1193 } 1193 }
1194 } 1194 }
1195 1195