diff options
Diffstat (limited to 'OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs')
-rw-r--r-- | OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs b/OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs index 831381e..35a0711 100644 --- a/OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs +++ b/OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs | |||
@@ -3,25 +3,25 @@ | |||
3 | * Original Author: Jeff Cesnik | 3 | * Original Author: Jeff Cesnik |
4 | * All rights reserved. | 4 | * All rights reserved. |
5 | * | 5 | * |
6 | * - Redistribution and use in source and binary forms, with or without | 6 | * - Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions are met: | 7 | * modification, are permitted provided that the following conditions are met: |
8 | * | 8 | * |
9 | * - Redistributions of source code must retain the above copyright notice, this | 9 | * - Redistributions of source code must retain the above copyright notice, this |
10 | * list of conditions and the following disclaimer. | 10 | * list of conditions and the following disclaimer. |
11 | * - Neither the name of the openmetaverse.org nor the names | 11 | * - Neither the name of the openmetaverse.org nor the names |
12 | * of its contributors may be used to endorse or promote products derived from | 12 | * of its contributors may be used to endorse or promote products derived from |
13 | * this software without specific prior written permission. | 13 | * this software without specific prior written permission. |
14 | * | 14 | * |
15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 15 | * 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 | 16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 23 | * 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 | 24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
25 | * POSSIBILITY OF SUCH DAMAGE. | 25 | * POSSIBILITY OF SUCH DAMAGE. |
26 | */ | 26 | */ |
27 | 27 | ||
@@ -107,10 +107,10 @@ namespace OpenMetaverse | |||
107 | /// </summary> | 107 | /// </summary> |
108 | public float AverageReceiveTicksForLastSamplePeriod { get; private set; } | 108 | public float AverageReceiveTicksForLastSamplePeriod { get; private set; } |
109 | 109 | ||
110 | public int Port | 110 | public int Port |
111 | { | 111 | { |
112 | get { return m_udpPort; } | 112 | get { return m_udpPort; } |
113 | } | 113 | } |
114 | 114 | ||
115 | #region PacketDropDebugging | 115 | #region PacketDropDebugging |
116 | /// <summary> | 116 | /// <summary> |
@@ -118,7 +118,7 @@ namespace OpenMetaverse | |||
118 | /// outbound packets. | 118 | /// outbound packets. |
119 | /// </summary> | 119 | /// </summary> |
120 | private Random m_dropRandomGenerator = new Random(); | 120 | private Random m_dropRandomGenerator = new Random(); |
121 | 121 | ||
122 | /// <summary> | 122 | /// <summary> |
123 | /// For debugging purposes only... parameters for a simplified | 123 | /// For debugging purposes only... parameters for a simplified |
124 | /// model of packet loss with bursts, overall drop rate should | 124 | /// model of packet loss with bursts, overall drop rate should |
@@ -137,7 +137,7 @@ namespace OpenMetaverse | |||
137 | /// </summary> | 137 | /// </summary> |
138 | private int m_dropLastTick = 0; | 138 | private int m_dropLastTick = 0; |
139 | private int m_dropResetTicks = 500; | 139 | private int m_dropResetTicks = 500; |
140 | 140 | ||
141 | /// <summary> | 141 | /// <summary> |
142 | /// Debugging code used to simulate dropped packets with bursts | 142 | /// Debugging code used to simulate dropped packets with bursts |
143 | /// </summary> | 143 | /// </summary> |
@@ -187,13 +187,13 @@ namespace OpenMetaverse | |||
187 | ~OpenSimUDPBase() | 187 | ~OpenSimUDPBase() |
188 | { | 188 | { |
189 | if(m_udpSocket !=null) | 189 | if(m_udpSocket !=null) |
190 | try { m_udpSocket.Close(); } catch { } | 190 | try { m_udpSocket.Close(); } catch { } |
191 | } | 191 | } |
192 | /// <summary> | 192 | /// <summary> |
193 | /// Start inbound UDP packet handling. | 193 | /// Start inbound UDP packet handling. |
194 | /// </summary> | 194 | /// </summary> |
195 | /// <param name="recvBufferSize">The size of the receive buffer for | 195 | /// <param name="recvBufferSize">The size of the receive buffer for |
196 | /// the UDP socket. This value is passed up to the operating system | 196 | /// the UDP socket. This value is passed up to the operating system |
197 | /// and used in the system networking stack. Use zero to leave this | 197 | /// and used in the system networking stack. Use zero to leave this |
198 | /// value as the default</param> | 198 | /// value as the default</param> |
199 | /// <param name="asyncPacketHandling">Set this to true to start | 199 | /// <param name="asyncPacketHandling">Set this to true to start |
@@ -235,7 +235,7 @@ namespace OpenMetaverse | |||
235 | } | 235 | } |
236 | try | 236 | try |
237 | { | 237 | { |
238 | // This udp socket flag is not supported under mono, | 238 | // This udp socket flag is not supported under mono, |
239 | // so we'll catch the exception and continue | 239 | // so we'll catch the exception and continue |
240 | m_udpSocket.IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, null); | 240 | m_udpSocket.IOControl(SIO_UDP_CONNRESET, new byte[] { 0 }, null); |
241 | m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag set"); | 241 | m_log.Debug("[UDPBASE]: SIO_UDP_CONNRESET flag set"); |
@@ -249,12 +249,12 @@ namespace OpenMetaverse | |||
249 | // we never want two regions to listen on the same port as they cannot demultiplex each other's messages, | 249 | // we never want two regions to listen on the same port as they cannot demultiplex each other's messages, |
250 | // leading to a confusing bug. | 250 | // leading to a confusing bug. |
251 | // By default, Windows does not allow two sockets to bind to the same port. | 251 | // By default, Windows does not allow two sockets to bind to the same port. |
252 | // | 252 | // |
253 | // Unfortunately, this also causes a crashed sim to leave the socket in a state | 253 | // Unfortunately, this also causes a crashed sim to leave the socket in a state |
254 | // where it appears to be in use but is really just hung from the old process | 254 | // where it appears to be in use but is really just hung from the old process |
255 | // crashing rather than closing it. While this protects agains misconfiguration, | 255 | // crashing rather than closing it. While this protects agains misconfiguration, |
256 | // allowing crashed sims to be started up again right away, rather than having to | 256 | // allowing crashed sims to be started up again right away, rather than having to |
257 | // wait 2 minutes for the socket to clear is more valuable. Commented 12/13/2016 | 257 | // wait 2 minutes for the socket to clear is more valuable. Commented 12/13/2016 |
258 | // m_udpSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, false); | 258 | // m_udpSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, false); |
259 | 259 | ||
260 | if (recvBufferSize != 0) | 260 | if (recvBufferSize != 0) |
@@ -262,8 +262,8 @@ namespace OpenMetaverse | |||
262 | 262 | ||
263 | m_udpSocket.Bind(ipep); | 263 | m_udpSocket.Bind(ipep); |
264 | 264 | ||
265 | if (m_udpPort == 0) | 265 | if (m_udpPort == 0) |
266 | m_udpPort = ((IPEndPoint)m_udpSocket.LocalEndPoint).Port; | 266 | m_udpPort = ((IPEndPoint)m_udpSocket.LocalEndPoint).Port; |
267 | 267 | ||
268 | IsRunningInbound = true; | 268 | IsRunningInbound = true; |
269 | 269 | ||
@@ -334,7 +334,7 @@ namespace OpenMetaverse | |||
334 | { | 334 | { |
335 | UDPPacketBuffer buf; | 335 | UDPPacketBuffer buf; |
336 | 336 | ||
337 | // FIXME: Disabled for now as this causes issues with reused packet objects interfering with each other | 337 | // FIXME: Disabled for now as this causes issues with reused packet objects interfering with each other |
338 | // on Windows with m_asyncPacketHandling = true, though this has not been seen on Linux. | 338 | // on Windows with m_asyncPacketHandling = true, though this has not been seen on Linux. |
339 | // Possibly some unexpected issue with fetching UDP data concurrently with multiple threads. Requires more investigation. | 339 | // Possibly some unexpected issue with fetching UDP data concurrently with multiple threads. Requires more investigation. |
340 | // if (UsePools) | 340 | // if (UsePools) |
@@ -387,8 +387,8 @@ namespace OpenMetaverse | |||
387 | m_log.Warn("[UDPBASE]: Salvaged the UDP listener on port " + m_udpPort); | 387 | m_log.Warn("[UDPBASE]: Salvaged the UDP listener on port " + m_udpPort); |
388 | } | 388 | } |
389 | } | 389 | } |
390 | catch (ObjectDisposedException e) | 390 | catch (ObjectDisposedException e) |
391 | { | 391 | { |
392 | m_log.Error( | 392 | m_log.Error( |
393 | string.Format("[UDPBASE]: Error processing UDP begin receive {0}. Exception ", UdpReceives), e); | 393 | string.Format("[UDPBASE]: Error processing UDP begin receive {0}. Exception ", UdpReceives), e); |
394 | } | 394 | } |
@@ -434,7 +434,7 @@ namespace OpenMetaverse | |||
434 | // since this should be rare and won't cause a runtime problem. | 434 | // since this should be rare and won't cause a runtime problem. |
435 | if (m_currentReceiveTimeSamples >= s_receiveTimeSamples) | 435 | if (m_currentReceiveTimeSamples >= s_receiveTimeSamples) |
436 | { | 436 | { |
437 | AverageReceiveTicksForLastSamplePeriod | 437 | AverageReceiveTicksForLastSamplePeriod |
438 | = (float)m_receiveTicksInCurrentSamplePeriod / s_receiveTimeSamples; | 438 | = (float)m_receiveTicksInCurrentSamplePeriod / s_receiveTimeSamples; |
439 | 439 | ||
440 | m_receiveTicksInCurrentSamplePeriod = 0; | 440 | m_receiveTicksInCurrentSamplePeriod = 0; |
@@ -446,16 +446,16 @@ namespace OpenMetaverse | |||
446 | m_currentReceiveTimeSamples++; | 446 | m_currentReceiveTimeSamples++; |
447 | } | 447 | } |
448 | } | 448 | } |
449 | catch (SocketException se) | 449 | catch (SocketException se) |
450 | { | 450 | { |
451 | m_log.Error( | 451 | m_log.Error( |
452 | string.Format( | 452 | string.Format( |
453 | "[UDPBASE]: Error processing UDP end receive {0}, socket error code {1}. Exception ", | 453 | "[UDPBASE]: Error processing UDP end receive {0}, socket error code {1}. Exception ", |
454 | UdpReceives, se.ErrorCode), | 454 | UdpReceives, se.ErrorCode), |
455 | se); | 455 | se); |
456 | } | 456 | } |
457 | catch (ObjectDisposedException e) | 457 | catch (ObjectDisposedException e) |
458 | { | 458 | { |
459 | m_log.Error( | 459 | m_log.Error( |
460 | string.Format("[UDPBASE]: Error processing UDP end receive {0}. Exception ", UdpReceives), e); | 460 | string.Format("[UDPBASE]: Error processing UDP end receive {0}. Exception ", UdpReceives), e); |
461 | } | 461 | } |
@@ -486,7 +486,7 @@ namespace OpenMetaverse | |||
486 | // packets when testing throttles & retransmission code | 486 | // packets when testing throttles & retransmission code |
487 | // if (DropOutgoingPacket()) | 487 | // if (DropOutgoingPacket()) |
488 | // return; | 488 | // return; |
489 | 489 | ||
490 | try | 490 | try |
491 | { | 491 | { |
492 | m_udpSocket.BeginSendTo( | 492 | m_udpSocket.BeginSendTo( |