diff options
Diffstat (limited to 'OpenSim/Region/ClientStack')
4 files changed, 180 insertions, 652 deletions
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; | |||
30 | using System.Net; | 30 | using System.Net; |
31 | using OpenSim.Framework; | 31 | using OpenSim.Framework; |
32 | using OpenMetaverse; | 32 | using OpenMetaverse; |
33 | using BclExtras.Collections; | ||
33 | 34 | ||
34 | using ReaderWriterLockImpl = OpenMetaverse.ReaderWriterLockSlim; | 35 | using ReaderWriterLockImpl = OpenMetaverse.ReaderWriterLockSlim; |
35 | 36 | ||
36 | namespace OpenSim.Region.ClientStack.LindenUDP | 37 | namespace 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 c356f02..fcb2cd0 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 + " in " + m_scene.RegionInfo.RegionName); | 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 |
@@ -285,17 +268,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
285 | // The packet grew larger than the bufferSize while zerocoding. | 268 | // The packet grew larger than the bufferSize while zerocoding. |
286 | // Remove the MSG_ZEROCODED flag and send the unencoded data | 269 | // Remove the MSG_ZEROCODED flag and send the unencoded data |
287 | // instead | 270 | // instead |
288 | m_log.Info("[LLUDPSERVER]: Packet exceeded buffer size during zerocoding. Removing MSG_ZEROCODED flag"); | 271 | m_log.Debug("[LLUDPSERVER]: Packet exceeded buffer size during zerocoding for " + type + ". Removing MSG_ZEROCODED flag"); |
289 | data[0] = (byte)(data[0] & ~Helpers.MSG_ZEROCODED); | 272 | data[0] = (byte)(data[0] & ~Helpers.MSG_ZEROCODED); |
290 | // | ||
291 | buffer = new UDPPacketBuffer(client.RemoteEndPoint, dataLength); | ||
292 | // | ||
293 | Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength); | 273 | Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength); |
294 | } | 274 | } |
295 | } | 275 | } |
296 | else | 276 | else |
297 | { | 277 | { |
298 | // ??? will it fit? | ||
299 | Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength); | 278 | Buffer.BlockCopy(data, 0, buffer.Data, 0, dataLength); |
300 | } | 279 | } |
301 | buffer.DataLength = dataLength; | 280 | buffer.DataLength = dataLength; |
@@ -395,7 +374,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
395 | { | 374 | { |
396 | m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + client.ClientAPI.Name); | 375 | m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + client.ClientAPI.Name); |
397 | 376 | ||
398 | RemoveClient(client.ClientAPI); | 377 | RemoveClient(client); |
399 | return; | 378 | return; |
400 | } | 379 | } |
401 | } | 380 | } |
@@ -523,9 +502,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
523 | } | 502 | } |
524 | 503 | ||
525 | // Determine which agent this packet came from | 504 | // Determine which agent this packet came from |
526 | if (!clients.TryGetValue(address, out client)) | 505 | if (!m_clients.TryGetValue(address, out client)) |
527 | { | 506 | { |
528 | m_log.Warn("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address + " in " + m_scene.RegionInfo.RegionName); | 507 | m_log.Warn("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address + |
508 | ", currently tracking " + m_clients.Count + " clients"); | ||
529 | return; | 509 | return; |
530 | } | 510 | } |
531 | 511 | ||
@@ -627,7 +607,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
627 | if (m_scene.RegionStatus != RegionStatus.SlaveScene) | 607 | if (m_scene.RegionStatus != RegionStatus.SlaveScene) |
628 | { | 608 | { |
629 | AuthenticateResponse sessionInfo; | 609 | AuthenticateResponse sessionInfo; |
630 | bool isNewCircuit = !clients.ContainsKey(remoteEndPoint); | 610 | bool isNewCircuit = !m_clients.ContainsKey(remoteEndPoint); |
631 | 611 | ||
632 | if (!IsClientAuthorized(useCircuitCode, out sessionInfo)) | 612 | if (!IsClientAuthorized(useCircuitCode, out sessionInfo)) |
633 | { | 613 | { |
@@ -651,25 +631,25 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
651 | 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) |
652 | { | 632 | { |
653 | // Create the LLUDPClient | 633 | // Create the LLUDPClient |
654 | 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); |
655 | 635 | ||
656 | // Create the LLClientView | 636 | // Create the LLClientView |
657 | 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); |
658 | clientApi.OnViewerEffect += m_scene.ClientManager.ViewerEffectHandler; | 638 | clientApi.OnViewerEffect += m_scene.ClientManager.ViewerEffectHandler; |
659 | clientApi.OnLogout += LogoutHandler; | 639 | clientApi.OnLogout += LogoutHandler; |
660 | clientApi.OnConnectionClosed += RemoveClient; | 640 | clientApi.OnConnectionClosed += |
641 | delegate(IClientAPI client) | ||
642 | { if (client is LLClientView) RemoveClient(((LLClientView)client).UDPClient); }; | ||
661 | 643 | ||
662 | // Start the IClientAPI | 644 | // Start the IClientAPI |
663 | m_scene.ClientManager.Add(circuitCode, clientApi); | 645 | m_scene.ClientManager.Add(circuitCode, clientApi); |
664 | clientApi.Start(); | 646 | clientApi.Start(); |
665 | 647 | ||
666 | // Give LLUDPClient a reference to IClientAPI | 648 | // Give LLUDPClient a reference to IClientAPI |
667 | client.ClientAPI = clientApi; | 649 | udpClient.ClientAPI = clientApi; |
668 | 650 | ||
669 | // Add the new client to our list of tracked clients | 651 | // Add the new client to our list of tracked clients |
670 | clients.Add(agentID, client.RemoteEndPoint, client); | 652 | m_clients.Add(udpClient.RemoteEndPoint, udpClient); |
671 | |||
672 | m_log.DebugFormat("[LLUDPSERVER]: Added new client {0} to region {1}", agentID, m_scene.RegionInfo.RegionName); | ||
673 | } | 653 | } |
674 | 654 | ||
675 | private void AcknowledgePacket(LLUDPClient client, uint ack, int currentTime, bool fromResend) | 655 | private void AcknowledgePacket(LLUDPClient client, uint ack, int currentTime, bool fromResend) |
@@ -747,7 +727,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
747 | elapsed500MS = 0; | 727 | elapsed500MS = 0; |
748 | } | 728 | } |
749 | 729 | ||
750 | clients.ForEach( | 730 | m_clients.ForEach( |
751 | delegate(LLUDPClient client) | 731 | delegate(LLUDPClient client) |
752 | { | 732 | { |
753 | if (client.DequeueOutgoing()) | 733 | if (client.DequeueOutgoing()) |
@@ -804,7 +784,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
804 | private void LogoutHandler(IClientAPI client) | 784 | private void LogoutHandler(IClientAPI client) |
805 | { | 785 | { |
806 | client.SendLogoutPacket(); | 786 | client.SendLogoutPacket(); |
807 | RemoveClient(client); | 787 | if (client is LLClientView) |
788 | RemoveClient(((LLClientView)client).UDPClient); | ||
808 | } | 789 | } |
809 | } | 790 | } |
810 | } | 791 | } |
diff --git a/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs b/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs index 43a68ec..fad2ea8 100644 --- a/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs +++ b/OpenSim/Region/ClientStack/LindenUDP/OpenSimUDPBase.cs | |||
@@ -1,402 +1,100 @@ | |||
1 | //--------- Modified Version ------------------- | 1 | /* |
2 | ///* | 2 | * Copyright (c) 2006, Clutch, Inc. |
3 | // * Copyright (c) 2006, Clutch, Inc. | 3 | * Original Author: Jeff Cesnik |
4 | // * Original Author: Jeff Cesnik | 4 | * All rights reserved. |
5 | // * All rights reserved. | 5 | * |
6 | // * | 6 | * - Redistribution and use in source and binary forms, with or without |
7 | // * - Redistribution and use in source and binary forms, with or without | 7 | * modification, are permitted provided that the following conditions are met: |
8 | // * modification, are permitted provided that the following conditions are met: | 8 | * |
9 | // * | 9 | * - Redistributions of source code must retain the above copyright notice, this |
10 | // * - Redistributions of source code must retain the above copyright notice, this | 10 | * list of conditions and the following disclaimer. |
11 | // * list of conditions and the following disclaimer. | 11 | * - Neither the name of the openmetaverse.org nor the names |
12 | // * - Neither the name of the openmetaverse.org nor the names | 12 | * of its contributors may be used to endorse or promote products derived from |
13 | // * of its contributors may be used to endorse or promote products derived from | 13 | * this software without specific prior written permission. |
14 | // * this software without specific prior written permission. | 14 | * |
15 | // * | 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
16 | // * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | // * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 | // * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
19 | // * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | 19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
20 | // * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
21 | // * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
22 | // * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
23 | // * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
24 | // * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
25 | // * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 25 | * POSSIBILITY OF SUCH DAMAGE. |
26 | // * POSSIBILITY OF SUCH DAMAGE. | 26 | */ |
27 | // */ | ||
28 | 27 | ||
29 | using System; | 28 | using System; |
30 | using System.Net; | 29 | using System.Net; |
31 | using System.Net.Sockets; | 30 | using System.Net.Sockets; |
32 | using System.Threading; | 31 | using System.Threading; |
33 | using OpenMetaverse; | 32 | using log4net; |
34 | 33 | ||
35 | //namespace OpenSim.Region.ClientStack.LindenUDP | 34 | namespace OpenMetaverse |
36 | //{ | ||
37 | // /// <summary> | ||
38 | // /// | ||
39 | // /// </summary> | ||
40 | // public abstract class OpenSimUDPBase | ||
41 | // { | ||
42 | // // these abstract methods must be implemented in a derived class to actually do | ||
43 | // // something with the packets that are sent and received. | ||
44 | // protected abstract void PacketReceived(UDPPacketBuffer buffer); | ||
45 | // protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent); | ||
46 | |||
47 | // // the port to listen on | ||
48 | // internal int udpPort; | ||
49 | |||
50 | // // the UDP socket | ||
51 | // private Socket udpSocket; | ||
52 | |||
53 | // // the ReaderWriterLock is used solely for the purposes of shutdown (Stop()). | ||
54 | // // since there are potentially many "reader" threads in the internal .NET IOCP | ||
55 | // // thread pool, this is a cheaper synchronization primitive than using | ||
56 | // // a Mutex object. This allows many UDP socket "reads" concurrently - when | ||
57 | // // Stop() is called, it attempts to obtain a writer lock which will then | ||
58 | // // wait until all outstanding operations are completed before shutting down. | ||
59 | // // this avoids the problem of closing the socket with outstanding operations | ||
60 | // // and trying to catch the inevitable ObjectDisposedException. | ||
61 | // private ReaderWriterLock rwLock = new ReaderWriterLock(); | ||
62 | |||
63 | // // number of outstanding operations. This is a reference count | ||
64 | // // which we use to ensure that the threads exit cleanly. Note that | ||
65 | // // we need this because the threads will potentially still need to process | ||
66 | // // data even after the socket is closed. | ||
67 | // private int rwOperationCount = 0; | ||
68 | |||
69 | // // the all important shutdownFlag. This is synchronized through the ReaderWriterLock. | ||
70 | // private volatile bool shutdownFlag = true; | ||
71 | |||
72 | // // the remote endpoint to communicate with | ||
73 | // protected IPEndPoint remoteEndPoint = null; | ||
74 | |||
75 | |||
76 | // /// <summary> | ||
77 | // /// Initialize the UDP packet handler in server mode | ||
78 | // /// </summary> | ||
79 | // /// <param name="port">Port to listening for incoming UDP packets on</param> | ||
80 | // public OpenSimUDPBase(int port) | ||
81 | // { | ||
82 | // udpPort = port; | ||
83 | // } | ||
84 | |||
85 | // /// <summary> | ||
86 | // /// Initialize the UDP packet handler in client mode | ||
87 | // /// </summary> | ||
88 | // /// <param name="endPoint">Remote UDP server to connect to</param> | ||
89 | // public OpenSimUDPBase(IPEndPoint endPoint) | ||
90 | // { | ||
91 | // remoteEndPoint = endPoint; | ||
92 | // udpPort = 0; | ||
93 | // } | ||
94 | |||
95 | // /// <summary> | ||
96 | // /// | ||
97 | // /// </summary> | ||
98 | // public void Start() | ||
99 | // { | ||
100 | // if (shutdownFlag) | ||
101 | // { | ||
102 | // if (remoteEndPoint == null) | ||
103 | // { | ||
104 | // // Server mode | ||
105 | |||
106 | // // create and bind the socket | ||
107 | // IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort); | ||
108 | // udpSocket = new Socket( | ||
109 | // AddressFamily.InterNetwork, | ||
110 | // SocketType.Dgram, | ||
111 | // ProtocolType.Udp); | ||
112 | // udpSocket.Bind(ipep); | ||
113 | // } | ||
114 | // else | ||
115 | // { | ||
116 | // // Client mode | ||
117 | // IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort); | ||
118 | // udpSocket = new Socket( | ||
119 | // AddressFamily.InterNetwork, | ||
120 | // SocketType.Dgram, | ||
121 | // ProtocolType.Udp); | ||
122 | // udpSocket.Bind(ipep); | ||
123 | // //udpSocket.Connect(remoteEndPoint); | ||
124 | // } | ||
125 | |||
126 | // // we're not shutting down, we're starting up | ||
127 | // shutdownFlag = false; | ||
128 | |||
129 | // // kick off an async receive. The Start() method will return, the | ||
130 | // // actual receives will occur asynchronously and will be caught in | ||
131 | // // AsyncEndRecieve(). | ||
132 | // AsyncBeginReceive(); | ||
133 | // } | ||
134 | // } | ||
135 | |||
136 | // /// <summary> | ||
137 | // /// | ||
138 | // /// </summary> | ||
139 | // public void Stop() | ||
140 | // { | ||
141 | // if (!shutdownFlag) | ||
142 | // { | ||
143 | // // wait indefinitely for a writer lock. Once this is called, the .NET runtime | ||
144 | // // will deny any more reader locks, in effect blocking all other send/receive | ||
145 | // // threads. Once we have the lock, we set shutdownFlag to inform the other | ||
146 | // // threads that the socket is closed. | ||
147 | // rwLock.AcquireWriterLock(-1); | ||
148 | // shutdownFlag = true; | ||
149 | // udpSocket.Close(); | ||
150 | // rwLock.ReleaseWriterLock(); | ||
151 | |||
152 | // // wait for any pending operations to complete on other | ||
153 | // // threads before exiting. | ||
154 | // const int FORCE_STOP = 100; | ||
155 | // int i = 0; | ||
156 | // while (rwOperationCount > 0 && i < FORCE_STOP) | ||
157 | // { | ||
158 | // Thread.Sleep(10); | ||
159 | // ++i; | ||
160 | // } | ||
161 | |||
162 | // if (i >= FORCE_STOP) | ||
163 | // { | ||
164 | // Logger.Log("UDPBase.Stop() forced shutdown while waiting on pending operations", | ||
165 | // Helpers.LogLevel.Warning); | ||
166 | // } | ||
167 | // } | ||
168 | // } | ||
169 | |||
170 | // /// <summary> | ||
171 | // /// | ||
172 | // /// </summary> | ||
173 | // public bool IsRunning | ||
174 | // { | ||
175 | // get { return !shutdownFlag; } | ||
176 | // } | ||
177 | |||
178 | // private void AsyncBeginReceive() | ||
179 | // { | ||
180 | // // this method actually kicks off the async read on the socket. | ||
181 | // // we aquire a reader lock here to ensure that no other thread | ||
182 | // // is trying to set shutdownFlag and close the socket. | ||
183 | // rwLock.AcquireReaderLock(-1); | ||
184 | |||
185 | // if (!shutdownFlag) | ||
186 | // { | ||
187 | // // increment the count of pending operations | ||
188 | // Interlocked.Increment(ref rwOperationCount); | ||
189 | |||
190 | // // allocate a packet buffer | ||
191 | // //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut(); | ||
192 | // UDPPacketBuffer buf = new UDPPacketBuffer(); | ||
193 | |||
194 | // try | ||
195 | // { | ||
196 | // // kick off an async read | ||
197 | // udpSocket.BeginReceiveFrom( | ||
198 | // //wrappedBuffer.Instance.Data, | ||
199 | // buf.Data, | ||
200 | // 0, | ||
201 | // UDPPacketBuffer.BUFFER_SIZE, | ||
202 | // SocketFlags.None, | ||
203 | // //ref wrappedBuffer.Instance.RemoteEndPoint, | ||
204 | // ref buf.RemoteEndPoint, | ||
205 | // new AsyncCallback(AsyncEndReceive), | ||
206 | // //wrappedBuffer); | ||
207 | // buf); | ||
208 | // } | ||
209 | // catch (SocketException) | ||
210 | // { | ||
211 | // // something bad happened | ||
212 | // //Logger.Log( | ||
213 | // // "A SocketException occurred in UDPServer.AsyncBeginReceive()", | ||
214 | // // Helpers.LogLevel.Error, se); | ||
215 | |||
216 | // // an error occurred, therefore the operation is void. Decrement the reference count. | ||
217 | // Interlocked.Decrement(ref rwOperationCount); | ||
218 | // } | ||
219 | // } | ||
220 | |||
221 | // // we're done with the socket for now, release the reader lock. | ||
222 | // rwLock.ReleaseReaderLock(); | ||
223 | // } | ||
224 | |||
225 | // private void AsyncEndReceive(IAsyncResult iar) | ||
226 | // { | ||
227 | // // Asynchronous receive operations will complete here through the call | ||
228 | // // to AsyncBeginReceive | ||
229 | |||
230 | // // aquire a reader lock | ||
231 | // rwLock.AcquireReaderLock(-1); | ||
232 | |||
233 | // if (!shutdownFlag) | ||
234 | // { | ||
235 | // // get the buffer that was created in AsyncBeginReceive | ||
236 | // // this is the received data | ||
237 | // //WrappedObject<UDPPacketBuffer> wrappedBuffer = (WrappedObject<UDPPacketBuffer>)iar.AsyncState; | ||
238 | // //UDPPacketBuffer buffer = wrappedBuffer.Instance; | ||
239 | // UDPPacketBuffer buffer = (UDPPacketBuffer)iar.AsyncState; | ||
240 | |||
241 | // try | ||
242 | // { | ||
243 | // // get the length of data actually read from the socket, store it with the | ||
244 | // // buffer | ||
245 | // buffer.DataLength = udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint); | ||
246 | |||
247 | // // this operation is now complete, decrement the reference count | ||
248 | // Interlocked.Decrement(ref rwOperationCount); | ||
249 | |||
250 | // // we're done with the socket, release the reader lock | ||
251 | // rwLock.ReleaseReaderLock(); | ||
252 | |||
253 | // // call the abstract method PacketReceived(), passing the buffer that | ||
254 | // // has just been filled from the socket read. | ||
255 | // PacketReceived(buffer); | ||
256 | // } | ||
257 | // catch (SocketException) | ||
258 | // { | ||
259 | // // an error occurred, therefore the operation is void. Decrement the reference count. | ||
260 | // Interlocked.Decrement(ref rwOperationCount); | ||
261 | |||
262 | // // we're done with the socket for now, release the reader lock. | ||
263 | // rwLock.ReleaseReaderLock(); | ||
264 | // } | ||
265 | // finally | ||
266 | // { | ||
267 | // // start another receive - this keeps the server going! | ||
268 | // AsyncBeginReceive(); | ||
269 | |||
270 | // //wrappedBuffer.Dispose(); | ||
271 | // } | ||
272 | // } | ||
273 | // else | ||
274 | // { | ||
275 | // // nothing bad happened, but we are done with the operation | ||
276 | // // decrement the reference count and release the reader lock | ||
277 | // Interlocked.Decrement(ref rwOperationCount); | ||
278 | // rwLock.ReleaseReaderLock(); | ||
279 | // } | ||
280 | // } | ||
281 | |||
282 | // public void AsyncBeginSend(UDPPacketBuffer buf) | ||
283 | // { | ||
284 | // rwLock.AcquireReaderLock(-1); | ||
285 | |||
286 | // if (!shutdownFlag) | ||
287 | // { | ||
288 | // try | ||
289 | // { | ||
290 | // Interlocked.Increment(ref rwOperationCount); | ||
291 | // udpSocket.BeginSendTo( | ||
292 | // buf.Data, | ||
293 | // 0, | ||
294 | // buf.DataLength, | ||
295 | // SocketFlags.None, | ||
296 | // buf.RemoteEndPoint, | ||
297 | // new AsyncCallback(AsyncEndSend), | ||
298 | // buf); | ||
299 | // } | ||
300 | // catch (SocketException) | ||
301 | // { | ||
302 | // //Logger.Log( | ||
303 | // // "A SocketException occurred in UDPServer.AsyncBeginSend()", | ||
304 | // // Helpers.LogLevel.Error, se); | ||
305 | // } | ||
306 | // } | ||
307 | |||
308 | // rwLock.ReleaseReaderLock(); | ||
309 | // } | ||
310 | |||
311 | // private void AsyncEndSend(IAsyncResult iar) | ||
312 | // { | ||
313 | // rwLock.AcquireReaderLock(-1); | ||
314 | |||
315 | // if (!shutdownFlag) | ||
316 | // { | ||
317 | // UDPPacketBuffer buffer = (UDPPacketBuffer)iar.AsyncState; | ||
318 | |||
319 | // try | ||
320 | // { | ||
321 | // int bytesSent = udpSocket.EndSendTo(iar); | ||
322 | |||
323 | // // note that call to the abstract PacketSent() method - we are passing the number | ||
324 | // // of bytes sent in a separate parameter, since we can't use buffer.DataLength which | ||
325 | // // is the number of bytes to send (or bytes received depending upon whether this | ||
326 | // // buffer was part of a send or a receive). | ||
327 | // PacketSent(buffer, bytesSent); | ||
328 | // } | ||
329 | // catch (SocketException) | ||
330 | // { | ||
331 | // //Logger.Log( | ||
332 | // // "A SocketException occurred in UDPServer.AsyncEndSend()", | ||
333 | // // Helpers.LogLevel.Error, se); | ||
334 | // } | ||
335 | // } | ||
336 | |||
337 | // Interlocked.Decrement(ref rwOperationCount); | ||
338 | // rwLock.ReleaseReaderLock(); | ||
339 | // } | ||
340 | // } | ||
341 | //} | ||
342 | |||
343 | //--------- Original Version ------------------- | ||
344 | |||
345 | |||
346 | namespace OpenSim.Region.ClientStack.LindenUDP | ||
347 | { | 35 | { |
348 | /// <summary> | 36 | /// <summary> |
349 | /// | 37 | /// Base UDP server |
350 | /// </summary> | 38 | /// </summary> |
351 | public abstract class OpenSimUDPBase | 39 | public abstract class OpenSimUDPBase |
352 | { | 40 | { |
353 | // 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); |
354 | // 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> | ||
355 | 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> | ||
356 | protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent); | 54 | protected abstract void PacketSent(UDPPacketBuffer buffer, int bytesSent); |
357 | 55 | ||
358 | // the port to listen on | 56 | /// <summary>UDP port to bind to in server mode</summary> |
359 | internal int udpPort; | 57 | protected int m_udpPort; |
360 | 58 | ||
361 | // the UDP socket | 59 | /// <summary>Local IP address to bind to in server mode</summary> |
362 | private Socket udpSocket; | 60 | protected IPAddress m_localBindAddress; |
363 | 61 | ||
364 | // the all important shutdownFlag. | 62 | /// <summary>UDP socket, used in either client or server mode</summary> |
365 | private volatile bool shutdownFlag = true; | 63 | private Socket m_udpSocket; |
366 | 64 | ||
367 | // the remote endpoint to communicate with | 65 | /// <summary>The all important shutdown flag</summary> |
368 | protected IPEndPoint remoteEndPoint = null; | 66 | private volatile bool m_shutdownFlag = true; |
369 | 67 | ||
370 | /// <summary> | 68 | /// <summary>Returns true if the server is currently listening, otherwise false</summary> |
371 | /// Initialize the UDP packet handler in server mode | 69 | public bool IsRunning { get { return !m_shutdownFlag; } } |
372 | /// </summary> | ||
373 | /// <param name="port">Port to listening for incoming UDP packets on</param> | ||
374 | public OpenSimUDPBase(int port) | ||
375 | { | ||
376 | udpPort = port; | ||
377 | } | ||
378 | 70 | ||
379 | /// <summary> | 71 | /// <summary> |
380 | /// Initialize the UDP packet handler in client mode | 72 | /// Default constructor |
381 | /// </summary> | 73 | /// </summary> |
382 | /// <param name="endPoint">Remote UDP server to connect to</param> | 74 | /// <param name="bindAddress">Local IP address to bind the server to</param> |
383 | public OpenSimUDPBase(IPEndPoint endPoint) | 75 | /// <param name="port">Port to listening for incoming UDP packets on</param> |
76 | public OpenSimUDPBase(IPAddress bindAddress, int port) | ||
384 | { | 77 | { |
385 | remoteEndPoint = endPoint; | 78 | m_localBindAddress = bindAddress; |
386 | udpPort = 0; | 79 | m_udpPort = port; |
387 | } | 80 | } |
388 | 81 | ||
389 | /// <summary> | 82 | /// <summary> |
390 | /// | 83 | /// Start the UDP server |
391 | /// </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> | ||
392 | public void Start() | 90 | public void Start() |
393 | { | 91 | { |
394 | if (shutdownFlag) | 92 | if (m_shutdownFlag) |
395 | { | 93 | { |
396 | const int SIO_UDP_CONNRESET = -1744830452; | 94 | const int SIO_UDP_CONNRESET = -1744830452; |
397 | 95 | ||
398 | IPEndPoint ipep = new IPEndPoint(Settings.BIND_ADDR, udpPort); | 96 | IPEndPoint ipep = new IPEndPoint(m_localBindAddress, m_udpPort); |
399 | udpSocket = new Socket( | 97 | m_udpSocket = new Socket( |
400 | AddressFamily.InterNetwork, | 98 | AddressFamily.InterNetwork, |
401 | SocketType.Dgram, | 99 | SocketType.Dgram, |
402 | ProtocolType.Udp); | 100 | ProtocolType.Udp); |
@@ -404,16 +102,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
404 | { | 102 | { |
405 | // this udp socket flag is not supported under mono, | 103 | // this udp socket flag is not supported under mono, |
406 | // so we'll catch the exception and continue | 104 | // so we'll catch the exception and continue |
407 | udpSocket.IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, null); | 105 | m_udpSocket.IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, null); |
106 | m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag set"); | ||
408 | } | 107 | } |
409 | catch (SocketException) | 108 | catch (SocketException) |
410 | { | 109 | { |
411 | Logger.DebugLog("UDP SIO_UDP_CONNRESET flag not supported on this platform"); | 110 | m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag not supported on this platform, ignoring"); |
412 | } | 111 | } |
413 | udpSocket.Bind(ipep); | 112 | m_udpSocket.Bind(ipep); |
414 | 113 | ||
415 | // we're not shutting down, we're starting up | 114 | // we're not shutting down, we're starting up |
416 | shutdownFlag = false; | 115 | m_shutdownFlag = false; |
417 | 116 | ||
418 | // kick off an async receive. The Start() method will return, the | 117 | // kick off an async receive. The Start() method will return, the |
419 | // actual receives will occur asynchronously and will be caught in | 118 | // actual receives will occur asynchronously and will be caught in |
@@ -423,41 +122,33 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
423 | } | 122 | } |
424 | 123 | ||
425 | /// <summary> | 124 | /// <summary> |
426 | /// | 125 | /// Stops the UDP server |
427 | /// </summary> | 126 | /// </summary> |
428 | public void Stop() | 127 | public void Stop() |
429 | { | 128 | { |
430 | if (!shutdownFlag) | 129 | if (!m_shutdownFlag) |
431 | { | 130 | { |
432 | // 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 |
433 | // 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 |
434 | // 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 |
435 | // threads that the socket is closed. | 134 | // threads that the socket is closed. |
436 | shutdownFlag = true; | 135 | m_shutdownFlag = true; |
437 | udpSocket.Close(); | 136 | m_udpSocket.Close(); |
438 | } | 137 | } |
439 | } | 138 | } |
440 | 139 | ||
441 | /// <summary> | ||
442 | /// | ||
443 | /// </summary> | ||
444 | public bool IsRunning | ||
445 | { | ||
446 | get { return !shutdownFlag; } | ||
447 | } | ||
448 | |||
449 | private void AsyncBeginReceive() | 140 | private void AsyncBeginReceive() |
450 | { | 141 | { |
451 | // allocate a packet buffer | 142 | // allocate a packet buffer |
452 | //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut(); | 143 | //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut(); |
453 | UDPPacketBuffer buf = new UDPPacketBuffer(); | 144 | UDPPacketBuffer buf = new UDPPacketBuffer(); |
454 | 145 | ||
455 | if (!shutdownFlag) | 146 | if (!m_shutdownFlag) |
456 | { | 147 | { |
457 | try | 148 | try |
458 | { | 149 | { |
459 | // kick off an async read | 150 | // kick off an async read |
460 | udpSocket.BeginReceiveFrom( | 151 | m_udpSocket.BeginReceiveFrom( |
461 | //wrappedBuffer.Instance.Data, | 152 | //wrappedBuffer.Instance.Data, |
462 | buf.Data, | 153 | buf.Data, |
463 | 0, | 154 | 0, |
@@ -472,13 +163,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
472 | { | 163 | { |
473 | if (e.SocketErrorCode == SocketError.ConnectionReset) | 164 | if (e.SocketErrorCode == SocketError.ConnectionReset) |
474 | { | 165 | { |
475 | Logger.Log("SIO_UDP_CONNRESET was ignored, attempting to salvage the UDP listener on port " + udpPort, Helpers.LogLevel.Error); | 166 | m_log.Warn("[UDPBASE]: SIO_UDP_CONNRESET was ignored, attempting to salvage the UDP listener on port " + m_udpPort); |
476 | bool salvaged = false; | 167 | bool salvaged = false; |
477 | while (!salvaged) | 168 | while (!salvaged) |
478 | { | 169 | { |
479 | try | 170 | try |
480 | { | 171 | { |
481 | udpSocket.BeginReceiveFrom( | 172 | m_udpSocket.BeginReceiveFrom( |
482 | //wrappedBuffer.Instance.Data, | 173 | //wrappedBuffer.Instance.Data, |
483 | buf.Data, | 174 | buf.Data, |
484 | 0, | 175 | 0, |
@@ -494,7 +185,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
494 | catch (ObjectDisposedException) { return; } | 185 | catch (ObjectDisposedException) { return; } |
495 | } | 186 | } |
496 | 187 | ||
497 | Logger.Log("Salvaged the UDP listener on port " + udpPort, Helpers.LogLevel.Info); | 188 | m_log.Warn("[UDPBASE]: Salvaged the UDP listener on port " + m_udpPort); |
498 | } | 189 | } |
499 | } | 190 | } |
500 | catch (ObjectDisposedException) { } | 191 | catch (ObjectDisposedException) { } |
@@ -505,7 +196,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
505 | { | 196 | { |
506 | // Asynchronous receive operations will complete here through the call | 197 | // Asynchronous receive operations will complete here through the call |
507 | // to AsyncBeginReceive | 198 | // to AsyncBeginReceive |
508 | if (!shutdownFlag) | 199 | if (!m_shutdownFlag) |
509 | { | 200 | { |
510 | // start another receive - this keeps the server going! | 201 | // start another receive - this keeps the server going! |
511 | AsyncBeginReceive(); | 202 | AsyncBeginReceive(); |
@@ -520,7 +211,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
520 | { | 211 | { |
521 | // get the length of data actually read from the socket, store it with the | 212 | // get the length of data actually read from the socket, store it with the |
522 | // buffer | 213 | // buffer |
523 | buffer.DataLength = udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint); | 214 | buffer.DataLength = m_udpSocket.EndReceiveFrom(iar, ref buffer.RemoteEndPoint); |
524 | 215 | ||
525 | // call the abstract method PacketReceived(), passing the buffer that | 216 | // call the abstract method PacketReceived(), passing the buffer that |
526 | // has just been filled from the socket read. | 217 | // has just been filled from the socket read. |
@@ -529,16 +220,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
529 | catch (SocketException) { } | 220 | catch (SocketException) { } |
530 | catch (ObjectDisposedException) { } | 221 | catch (ObjectDisposedException) { } |
531 | //finally { wrappedBuffer.Dispose(); } | 222 | //finally { wrappedBuffer.Dispose(); } |
223 | |||
532 | } | 224 | } |
533 | } | 225 | } |
534 | 226 | ||
535 | public void AsyncBeginSend(UDPPacketBuffer buf) | 227 | public void AsyncBeginSend(UDPPacketBuffer buf) |
536 | { | 228 | { |
537 | if (!shutdownFlag) | 229 | if (!m_shutdownFlag) |
538 | { | 230 | { |
539 | try | 231 | try |
540 | { | 232 | { |
541 | udpSocket.BeginSendTo( | 233 | m_udpSocket.BeginSendTo( |
542 | buf.Data, | 234 | buf.Data, |
543 | 0, | 235 | 0, |
544 | buf.DataLength, | 236 | buf.DataLength, |
@@ -557,7 +249,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
557 | try | 249 | try |
558 | { | 250 | { |
559 | UDPPacketBuffer buf = (UDPPacketBuffer)result.AsyncState; | 251 | UDPPacketBuffer buf = (UDPPacketBuffer)result.AsyncState; |
560 | int bytesSent = udpSocket.EndSendTo(result); | 252 | int bytesSent = m_udpSocket.EndSendTo(result); |
561 | 253 | ||
562 | PacketSent(buf, bytesSent); | 254 | PacketSent(buf, bytesSent); |
563 | } | 255 | } |
@@ -566,4 +258,3 @@ namespace OpenSim.Region.ClientStack.LindenUDP | |||
566 | } | 258 | } |
567 | } | 259 | } |
568 | } | 260 | } |
569 | |||