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path: root/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs (follow)
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* Reverted my changes to jhurliman's packet stack since it currently causes ↵CasperW2009-12-201-24/+3
| | | | more problems than it resolves. The stack DOES need a rework particularly with regards to priorities, but this is not it.
* Merge branch 'master' into careminsterMelanie2009-12-141-1/+1
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| * * Add some glue that allows LocalPacketHandlers to decide if they want the ↵Teravus Ovares (Dan Olivares)2009-12-131-1/+1
| | | | | | | | | | | | packet to be processed asynchronously or not. * Make several packets not asynchronous (such as AgentUpdate). In theory, all fast returning packet handling methods should not be asynchronous. Ones that wait on an external resource or a long held lock, should be asynchronous.
* | Merge branch 'master' into careminsterMelanie2009-11-281-0/+9
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| * * Re-enable lightweight packet tracking stats on a 3000 ms interval.Teravus Ovares (Dan Olivares)2009-11-271-0/+9
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* | Minor packet ordering fixCasperW2009-11-211-1/+0
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* | Improved avatar responsiveness.CasperW2009-11-211-11/+13
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* | - Lower TIME_MS_TOLERANCE to 200ms - Allow m_updateFlag to be reset to 0 in ↵unknown2009-11-151-2/+22
|/ | | | the event of a terse update being rejected - Re-add a synchronous SendTo for certain types of packets
* Applying #4332, optional packet statistics loggingJohn Hurliman2009-11-051-0/+111
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* Refine oversized packet handling as per jhurliman. Reallocate the buffer toMelanie2009-11-041-4/+7
| | | | actual packet size only for oversized packets.
* Add some length to the backet buffer for packet sending so oversizeMelanie2009-11-041-1/+1
| | | | inventory packets don't make us barf
* Make the default and max RTO configurable int he linden client stackMelanie2009-10-301-1/+7
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* * Disables automatic packet splitting on AvatarGroupsReply packets. This ↵John Hurliman2009-10-301-2/+2
| | | | | | packet is a mess and shouldn't be used at all (in favor of the event queue message) * Clean up the way we send AvatarGroupsReply packets, including clamping the group name and group title
* * Moving parcel media and avatar update packets from the unthrottled ↵John Hurliman2009-10-301-4/+8
| | | | | | | category to task * Fixing a bug where the max burst rate for the state category was being set as unlimited, causing connections to child agents to saturate bandwidth * Upped the example default drip rates to 1000 bytes/sec, the minimum granularity for the token buckets
* * Fixes issue #4329 "llDialog fails silently" by updating OpenMetaverse.dllJohn Hurliman2009-10-301-4/+4
| | | | * Prints a warning for any future packet splitting failures
* * Commented out two noisy debug lines in the LLUDP serverJohn Hurliman2009-10-291-2/+2
| | | | * Misc. cleanup in ScenePresence.HandleAgentUpdate()
* Modified visibilities of properties and methods. This is so that SL client ↵Mikko Pallari2009-10-281-5/+5
| | | | based clients can use UDP server that is inherited from LLUDPServer.
* Experimental test to rate limit the incoming packet handler and try to ↵John Hurliman2009-10-271-0/+8
| | | | always leave a worker thread available for other tasks
* Removing the ClientManager reference from IScene and hiding it entirely ↵John Hurliman2009-10-261-7/+7
| | | | inside Scene as an implementation detail. This will reduce programming error and make it easier to refactor the avatar vs client vs presence mess later on
* * Switched all operations on the list of clients that could be either sync ↵John Hurliman2009-10-261-2/+2
| | | | | | | | or async to use Scene.ForEachClient() instead of referencing ClientManager directly * Added a new [Startup] config option called use_async_when_possible to signal how to run operations that could be either sync or async * Changed Scene.ForEachClient to respect use_async_when_possible * Fixing a potential deadlock in Parallel.ForEach by locking on a temporary object instead of the enumerator (which may be shared across multiple invocations on ForEach). Thank you diva
* Changed UseCircuitCode handling to be synchronous or asynchronous depending ↵John Hurliman2009-10-261-10/+21
| | | | on the async_packet_handling config option, and added a debug log message when a UseCircuitCode packet is handled
* Changing Scene.ForEachClient to use the synchronous for loop instead of ↵John Hurliman2009-10-251-2/+2
| | | | | | | | | | Parallel. This is quite possibly the source of some deadlocking, and at the very least the synchronous version gives better stack traces * Lock the LLUDPClient RTO math * Add a helper function for backing off the RTO, and follow the optional advice in RFC 2988 to clear existing SRTT and RTTVAR values during a backoff * Removing the unused PrimitiveBaseShape.SculptImage parameter * Improved performance of SceneObjectPart instantiation * ZeroMesher now drops SculptData bytes like Meshmerizer, to allow the texture data to be GCed * Improved typecasting speed in MySQLLegacyRegionData.BuildShape() * Improved the instantiation of PrimitiveBaseShape
* * Unregister Mono.Addins event handlers in PluginLoader.Dispose() and always ↵John Hurliman2009-10-231-1/+5
| | | | | | | handle PluginLoader with the using pattern. This freed up 121,634,796 bytes on my system * Avoid allocating an Action<IClientAPI> object every round of the OutgoingPacketHandler * Removed unnecessary semi-colon endings from OpenSim.ini.example [InterestManagement] section
* Cleaning up OpenSim.ini.example for LLUDP. The [LLClient] section has been ↵John Hurliman2009-10-231-0/+24
| | | | removed and several new parameters have been added to [ClientStack.LindenUDP]
* Uncommented the resend log line so the previous commit can be seen in actionJohn Hurliman2009-10-231-1/+1
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* * Changed the max RTO value to 60 seconds to comply with RFC 2988John Hurliman2009-10-231-0/+3
| | | | * Implemented section 5.5, exponential backoff of the RTO after a resend
* Commented out noisy debugging about resent packets (normal) and agents ↵John Hurliman2009-10-231-1/+1
| | | | setting throttles (normal)
* Implemented a Watchdog class. Do not manually create Thread objects anymore, ↵John Hurliman2009-10-221-8/+11
| | | | use Watchdog.StartThread(). While your thread is running call Watchdog.UpdateThread(). When it is shutting down call Watchdog.RemoveThread(). Most of the threads in OpenSim have been updated
* * Change the OnQueueEmpty signature to send the flags of the queues that are ↵John Hurliman2009-10-211-4/+0
| | | | | | | empty instead of firing once per empty queue * Change the OnQueueEmpty firing to use a minimum time until next fire instead of a sleep * Set OutgoingPacket.TickCount = 0 earlier to avoid extra resends when things are running slowly (inside a profiler, for example)
* * Clarified what FireQueueEmpty is doing with a MIN_CALLBACK_MS constant and ↵John Hurliman2009-10-211-4/+0
| | | | | | | upped it to 30ms * Removed the unused PacketSent() function * Switched UnackedPacketCollection from a SortedDictionary to a Dictionary now that the sorting is no longer needed. Big performance improvement for ResendUnacked()
* * Changed the timing calculations for sending resends/acks/pings from ↵John Hurliman2009-10-211-26/+59
| | | | | | per-client back to per-scene * Testing a fix from Jim to make the cpu usage fix cleaner
* Removing the Sleep(0) call from the OutgoingPacketHandlerJohn Hurliman2009-10-211-6/+3
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* * Handle UseCircuitCode packets asynchronously. Adding an agent to a scene ↵John Hurliman2009-10-211-8/+39
| | | | | | | | can take several seconds, and was blocking up packet handling in the meantime * Clamp retransmission timeout values between three and 10 seconds * Log outgoing time for a packet right after it is sent instead of well before * Loop through the entire UnackedPacketCollection when looking for expired packets
* * Replaced the UnackedPacketCollection with a lockless implementation. The ↵John Hurliman2009-10-211-98/+45
| | | | | | | tiny amount of time spent in the locks turned into a lot of time when the rest of the LLUDP implementation went lockless * Changed the timer tracking numbers for each client to not have "memory". It will no longer queue up calls to functions like ResendUnacked * Reverted Jim's WaitHandle code. Although it was technically more correct, it exhibited the exact same behavior as the old code but spent more cycles. The 20ms has been replaced with the minimum amount of time before a token bucket could receive a drip, and an else { sleep(0); } was added to make sure the outgoing packet handler always yields at least a minimum amount
* Committing Jim's optimization to replace the 20ms sleep in outgoing packet ↵John Hurliman2009-10-211-28/+70
| | | | handling with an interruptible wait handle
* * Added a sanity check to GetScriptAssemblies() and GetScriptStates() for ↵John Hurliman2009-10-201-0/+2
| | | | | | the case where no scripting engine is enabled * Added TokenBucket.cs to OpenSim, with some fixes for setting a more accurate MaxBurst value and getting a more accurate Content value (by Drip()ing each get)
* * Removed the throttle speed optimizations to see if it brings stability backJohn Hurliman2009-10-201-63/+53
| | | | * Changed the outgoing packet handler to use a real function instead of a closure and to track time on a per-client basis instead of a global basis
* Added try/catches in the outgoing packet handler to match the one in the ↵John Hurliman2009-10-201-45/+59
| | | | incoming packet handler
* * Optimized sending of terrain dataJohn Hurliman2009-10-191-9/+14
| | | | | * Send terrain data in a spiral pattern instead of a typewriter pattern (placeholder until terrain data becomes part of the interest list management) * Added a debug line when resent packets are being sent
* * Change Util.FireAndForget to use ThreadPool.UnsafeQueueUserWorkItem(). ↵John Hurliman2009-10-191-7/+12
| | | | | | | | | | | | | | This avoids .NET remoting and a managed->unmanaged->managed jump. Overall, a night and day performance difference * Initialize the LLClientView prim full update queue to the number of prims in the scene for a big performance boost * Reordered some comparisons on hot code paths for a minor speed boost * Removed an unnecessary call to the expensive DateTime.Now function (if you *have* to get the current time as opposed to Environment.TickCount, always use DateTime.UtcNow) * Don't fire the queue empty callback for the Resend category * Run the outgoing packet handler thread loop for each client synchronously. It seems like more time was being spent doing the execution asynchronously, and it made deadlocks very difficult to track down * Rewrote some expensive math in LandObject.cs * Optimized EntityManager to only lock on operations that need locking, and use TryGetValue() where possible * Only update the attachment database when an object is attached or detached * Other small misc. performance improvements
* * Rewrote the methods that build ObjectUpdate and ImprovedTerseObjectUpdate ↵John Hurliman2009-10-181-2/+2
| | | | | | | | | | packets to fill in the data more accurately and avoid allocating memory that is immediately thrown away * Changed the Send*Data structs in IClientAPI to use public readonly members instead of private members and getters * Made Parallel.ProcessorCount public * Started switching over packet building methods in LLClientView to use Util.StringToBytes[256/1024]() instead of Utils.StringToBytes() * More cleanup of the ScenePresences vs. ClientManager nightmare * ScenePresence.HandleAgentUpdate() will now time out and drop incoming AgentUpdate packets after three seconds. This fixes a deadlock on m_AgentUpdates that was blocking up the LLUDP server
* * Big performance increase in loading prims from the region database with MySQLJohn Hurliman2009-10-181-15/+36
| | | | | | * Handle the AgentFOV packet * Bypass queuing and throttles for ping checks to make ping times more closely match network latency * Only track reliable bytes in LLUDPCLient.BytesSinceLastACK
* Wrapped the contents of the IncomingPacketHandler loop in a try/catch statementJohn Hurliman2009-10-171-2/+9
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* Prevent oversized packets from crashing the LLUDP server. It will now print ↵John Hurliman2009-10-161-5/+20
| | | | a friendly error message and drop the packet
* * Simplified the prioritization packet creation code to reduce CPU usage and ↵John Hurliman2009-10-161-3/+6
| | | | | | increase throughput. Apologies to Jim for hacking on your code while it's only halfway done, I'll take responsibility for the manual merge * Changed LLUDP to use its own MTU value of 1400 instead of the 1200 value pulled from the currently shipped libomv
* * Changing the "clean dropped attachments" MySQL command to a using ↵John Hurliman2009-10-161-1/+2
| | | | | | statement inside a try/catch. This statement times out for me very frequently * More verbose logging when zerocoding fails on an outbound packet
* * Change appearance packets from State to Task. This will hopefully fix the ↵John Hurliman2009-10-161-1/+1
| | | | | | cloud issues * Changed the throttling logic to obey the requested client bandwidth limit but also share bandwidth between some of the categories to improve throughput on high prim or heavily trafficked regions
* Allow the LLUDP server to run in either synchronous or asynchronous mode ↵John Hurliman2009-10-141-1/+6
| | | | with a config setting, defaulting to synchronous mode
* * Clean up the SetThrottle() code and add a maxBurstRate parameter to allow ↵John Hurliman2009-10-141-1/+0
| | | | more tweaking in the future
* * Switched to a plain lock for the ClientManager collections and protected ↵John Hurliman2009-10-141-1/+3
| | | | | | the TryGetValues with try/catch instead of a lock * Added ClientManager.ForEachSync() for operations that need to run synchronously, such as "show connections"
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