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2009-10-27* Converts ClientManager.ForEach() (and as a result, Scene.ForEachClient()) ↵John Hurliman1-1/+4
to use a non-blocking parallel method when operating in async mode * Minor code readability cleanup
2009-10-26Removing the ClientManager reference from IScene and hiding it entirely ↵John Hurliman1-1/+0
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
2009-10-26* Switched all operations on the list of clients that could be either sync ↵John Hurliman1-1/+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
2009-10-26* Changed the watchdog timer to improve the speed of UpdateThread(), only ↵John Hurliman1-30/+30
track threads once the first call to UpdateThread() has been made, and allow re-tracking of threads that timed out but revived later * Added a commented out call to Watchdog.UpdateThread() in OdeScene. If it turns out that loading a large OAR file or some other operation is timing out the heartbeat thread, we'll need to uncomment it
2009-10-25Changing Scene.ForEachClient to use the synchronous for loop instead of ↵John Hurliman1-41/+25
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
2009-10-23* Change the way Util.FireAndForget() calls SmartThreadPool to avoid using a ↵John Hurliman1-1/+11
delegate (which STP appears to hold on to). This removes the slow leak I was seeing when using async_call_method=SmartThreadPool and stabilizes allocated memory for an idle OpenSim instance
2009-10-23* Unregister Mono.Addins event handlers in PluginLoader.Dispose() and always ↵John Hurliman1-2/+7
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
2009-10-22Implemented a Watchdog class. Do not manually create Thread objects anymore, ↵John Hurliman3-12/+185
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
2009-10-22Terrible typo in the previous commit!John Hurliman1-1/+1
2009-10-22* Added a check if Util.m_ThreadPool is null before trying to use it, and if ↵John Hurliman1-13/+7
so initialize it to sane defaults * Simplified the InitThreadPool() function
2009-10-22Correct version number after mergeMelanie1-2/+2
2009-10-22Add copyright header. Formatting cleanup.Jeff Ames1-0/+27
2009-10-22* Allow SmartThreadPool to be initialized without setting max stack size ↵John Hurliman1-5/+7
(like the original implementation) * Only initialize Util's SmartThreadPool if it is actually being used * No longer initializing Util's SmartThreadPool with a custom max stack size. From MSDN: "Avoid using this constructor overload. The default stack size used by the Thread(ThreadStart) constructor overload is the recommended stack size for threads."
2009-10-22Remove the "mel_t" from version stringMelanie1-1/+1
2009-10-21* Changed the misc. methods calling ThreadPool.UnsafeQueueUserWorkItem() to ↵John Hurliman3-23/+55
Util.FireAndForget() * Changed Util.FireAndForget() to use any of five different methods set with async_call_method in the [Startup] section of OpenSim.ini. Look at the example config for possible values
2009-10-22Reduce the default pool threads to 15 (from 30) and the minimum from 5 to 2Melanie1-1/+1
2009-10-22Add MaxPoolThreads in startup to limit the size of the thread pool usedMelanie1-12/+22
for FireAndForget. This lets us limit concurrency to make OpenSim play nice
2009-10-21* Change the OnQueueEmpty signature to send the flags of the queues that are ↵John Hurliman1-0/+12
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)
2009-10-22Mark new versionMelanie1-1/+1
2009-10-21Fix web map retrieval for regions configured via .iniMelanie1-2/+3
2009-10-21Really make module port selection work. Implement port setting inMelanie1-1/+3
LLProxyLoginModule.
2009-10-20* Removing ODEPrim and ODECharacter GetHashCode() overrides since they were ↵John Hurliman1-1/+1
based on something that could change * Tweaked a few other GetHashCode() overrides to bring them in line with MSDN recommendations
2009-10-20Add MainServer.GetHttpServer(port) method for using multiple listenerMelanie1-0/+17
ports in region modules
2009-10-19* Removed OpenSim.Data.NHibernateJohn Hurliman3-5/+5
* Replaced calls to ThreadPool.QueueUserWorkItem() with ThreadPool.UnsafeQueueUserWorkItem() since OpenSim does not use Code Access Security sandboxing
2009-10-19* Change Util.FireAndForget to use ThreadPool.UnsafeQueueUserWorkItem(). ↵John Hurliman1-8/+10
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
2009-10-19Minor formatting cleanup.Jeff Ames1-12/+12
2009-10-18* Rewrote the methods that build ObjectUpdate and ImprovedTerseObjectUpdate ↵John Hurliman2-109/+85
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
2009-10-19Formatting cleanup.Jeff Ames2-4/+4
2009-10-18* Big performance increase in loading prims from the region database with MySQLJohn Hurliman1-0/+2
* 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
2009-10-17Committing the second part of Jim Greensky @ Intel Lab's patch, ↵John Hurliman1-0/+27
re-prioritizing updates
2009-10-17Added a description for RegionTypeJohn Hurliman1-1/+1
2009-10-17Adds SendAvatarInterestsUpdate to IClientAPIMelanie1-0/+1
Thank you, Fly-Man
2009-10-17Re-rename ProductName back to it's original RegionTypeMelanie1-16/+16
2009-10-17Add ProductName to RegionInfo (for search)Melanie1-1/+23
2009-10-16Converted FireAndForget methods to use a singleton pattern to attempt to ↵John Hurliman1-2/+21
work around a Mono bug with nested delegates
2009-10-15Object update prioritization by Jim Greensky of Intel Labs, part one. This ↵John Hurliman1-23/+231
implements a simple distance prioritizer based on initial agent positions. Re-prioritizing and more advanced priority algorithms will follow soon
2009-10-15Replaced the update lists with a priority queue implementation in LLClientViewjjgreens1-0/+375
Replaced the update lists with a priority queue implementation in LLClientView. The priority queues are based on the MinHeap implementation also included in this commit within the OpneSim.Framework namespace. Initially setup to exactly mimic the behavior beofre the change which was a first come first serve queue.
2009-10-14* Clean up the SetThrottle() code and add a maxBurstRate parameter to allow ↵John Hurliman1-5/+6
more tweaking in the future
2009-10-14* Switched to a plain lock for the ClientManager collections and protected ↵John Hurliman1-69/+81
the TryGetValues with try/catch instead of a lock * Added ClientManager.ForEachSync() for operations that need to run synchronously, such as "show connections"
2009-10-13* Split Task category into Task and StateJohn Hurliman1-4/+14
* Crude prioritization hack
2009-10-13* Copied LocklessQueue.cs into OpenSim.Framework and added the .Count ↵John Hurliman2-14/+139
property and .Clear() method * Changed the way the QueueEmpty callback is fired. It will be fired asynchronously as soon as an empty queue is detected (this can happen immediately following a dequeue), and will not be fired again until at least one packet is dequeued from that queue. This will give callbacks advanced notice of an empty queue and prevent callbacks from stacking up while the queue is empty * Added LLUDPClient.IsConnected checks in several places to prevent unwanted network activity after a client disconnects * Prevent LLClientView.Close() from being called twice every disconnect * Removed the packet resend limit and improved the client timeout check
2009-10-13* Consolidated adding / removing ClientManager IClientAPIs to two places in ↵John Hurliman1-0/+14
Scene * Added some missing implementations of IClientAPI.RemoteEndPoint * Added a ClientManager.Remove(UUID) overload * Removed a reference to a missing project from prebuild.xml
2009-10-13* Fixed a bug where clients were being added to ClientManager twiceJohn Hurliman2-11/+13
* Changed the ClientManager interface to reduce potential errors with duplicate or mismatched keys * Added IClientAPI.RemoteEndPoint, which can (hopefully) eventually replace IClientAPI.CircuitCode * Changed the order of operations during client shutdown
2009-10-13* Rewrote ClientManager to remove Lindenisms from OpenSim core, improve ↵John Hurliman2-27/+145
performance by removing locks, and replace LLUDPClientCollection * Removed the confusing (and LL-specific) shutdowncircuit parameter from IClientAPI.Close() * Updated the LLUDP code to only use ClientManager instead of trying to synchronize ClientManager and m_clients * Remove clients asynchronously since it is a very slow operation (including a 2000ms sleep)
2009-10-13* Unregister event handlers in LLUDPServer when a client logs out and ↵John Hurliman2-151/+13
disconnects * Move ViewerEffect handling to Scene.PacketHandlers * Removing the unused CloseAllAgents function * Trimming ClientManager down. This class needs to be reworked to keep LLUDP circuit codes from intruding into the abstract OpenSim core code
2009-10-10Use Util.UTF8 instead of creating a new heap object every time.Diva Canto1-5/+5
2009-10-09A slight improvement on name fetching -- using the local name cache, since ↵Diva Canto1-0/+6
it exists.
2009-10-09Use the cache, Luke!Diva Canto1-25/+8
2009-10-09Adding a hair item to the default wearables, fixes newly created avatars ↵Rob Smart2-0/+8
appearing as a cloud
2009-10-09Calling .Close() on AutoResetEvent and ManualResetEvent (those classes ↵John Hurliman3-3/+7
contain an unmanaged resource that will not automatically be disposed when they are GCed), and commenting out some ManualResetEvents that are not in use yet
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