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throttles. Setting adaptive_throttle_min_bps will change the
minimum rate that the adapative throttles will drop to in case
of network packet loss. The current rate default rate is 256kbps.
The viewer can throttle rates under that amount, but the dynamic
adaptation will not.
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algorithm for dropping packets is a modified two state algorithm for creating
bursts of dropped packets. As configured there is about a 1.5% drop rate.
Invocation of the packet loss code is commented out by default.
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when avatar enters the new region.
This commit addresses the following issues were causing velocity to be set to 0 on the new region, disrupting flight in particular
* Full avatar updates contained no velocity information, which does appear to have some effect in testing.
* BulletSim was always setting the velocity to 0 for the new BSCharacter. Now, physics engines take a velocity parameter when setting up characters so we can avoid this.
This patch applies to both Bullet and ODE.
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thread and run work in the jobengine from Watchdog to a WorkManager class.
This is to achieve a clean separation of concerns - the watchdog is an inappropriate place for work management.
Also adds a WorkManager.RunInThreadPool() class which feeds through to Util.FireAndForget.
Also switches around the name and obj arguments to the new RunInThread() and RunJob() methods so that the callback obj comes after the callback as seen in the SDK and elsewhere
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requests.
This is to reduce the potential for overload of the threadpool if there are many simultaneous requets in high concurrency situations.
Currently only applied to AvatarProperties and GenericMessage requests.
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problem diagnosis.
"show threadpool calls" now also returns named (labelled), anonymous (unlabelled) and total call stats.
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At least on Mono 3.2.8 (but not under Windows), one can bind multiple UDP sockets to the same port by default.
Different simulators cannot demultiplex each other's messages, so a set of confusing non-obvious errors arise if this occurs.
This change prevents such multiple binding.
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Extends regression tests to test response of adaptive throttles to ack'ed and expired packets.
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client throttles properly.
In "show throttles", also renames 'total' column to 'actual' to reflect that it is not necessarily the throttles requested for/by the client.
Also fills out 'target' in non-adapative mode to the actual throttle requested for/by the client.
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settings.
As part of this also refactors code to put all throttle asserts in a single regression test method
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LLUDP client stack rather than queueing internally within LLClientView.
When an HG avatar enters a scene, it delays processing of entity updates. Could be crowding out by other updates or something else.
This delay in ones own av mvmt updates results in mvmt lag experienced on the client. Avoiding the internal LLClientView for these packets appears to resolve this issue.
Appears most noticeably for avatars with attachments, though has also been seen on those without sometimes. Hasn't been observed for non-HG avatars in general.
Will be investigating exactly what the problem is, at which point there will be a more permanent solution.
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This allows one to set the requested throttle (which normally comes from the client) as opposed to the max.
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On server, scene-throttle-max becomes max-scene-throttle and likewise max-new-client-throttle
On clients, throttle-max becomes max
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client throttle to be set separately from existing clients.
"debug lludp throttles get/set throttle-max" now only gets and sets current max client throttles
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to mirror "debug lludp set"
Information is also available in "show server throttles" but that's more for non-debug info rather than attempting to get and set parameters on the fly for debug purposes.
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To do this required GetMesh to be converted to a BaseStreamHandler
Unlike GetTexture connector, no redirect URL functionality yet (this wasn't present in the first place).
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throttles would cause client throttles to be lower than expected when total requests exceeded the scene limit.
This was because specifying a max client throttle would always request the max from the parent server throttle, no matter the actual total requests on the client throttle.
This would lead to a lower server multiplier than expected.
This change also adds a 'target' column to the "show throttles" output that shows the target rate (as set by client) if adaptive throttles is active.
This commit also re-adds the functionality lost in recent 5c1a1458 to set a max client throttle when adaptive is active.
This commit also adds TestClientThrottlePerClientAndRegionLimited and TestClientThrottleAdaptiveNoLimit regression tests
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make code analysis easier. No functional change.
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This only had one child, which is the 'adaptive' token bucket.
So from testing and currently analysis, we can use that bucket directly which simplifies the code.
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Renames to TestSingleClientThrottleRegionLimited()
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behaviour of throttles where a region-wide total outbound limit is in place.
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a max client total limit is enforced server-side
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package rather than some in OpenSim.Tests.Common.Mock
the separate mock package was not useful and was just another using line to always add
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OpenSim.Tests.Common.ClientStackHelpers
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printing any information. Also fix max throttle displayed to be properly kbps
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value is not set rather than 0
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setting of default and existing client throttles.
Doesn't yet adjust until clients submit new throttle settings.
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consistency (and because I keep typing throttles).
This will still work with "debug lludp throttle" anyway.
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- throttle buckets are set in bytes, not bits
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never applies.
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which case they apply to all users in the lludp server
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to potentially set the scene max throttle on the fly.
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throttles" command rather than "show throttles"
THis allows us to see the rates when no client is connected to the region.
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about throttles
This is separate from the user-oriented "show throttles" command since one will often only want to know about varying client throttle settings.
Currently displays max scene throttle and adaptive throttles config if set.
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This is the total of queued outgoing packets across all connections, as also seen in the "show queues" command.
Gives some early indication of whether the simulator can't send all outgoing packets fast enough.
Though then one would want to check that this isn't due to a few bad client connections.
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to match set command
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Can currently only set adaptive true|false, where adaptive = false
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Will only have any affect under Windows or mono with a patch such as https://gist.github.com/justincc/31e52218d098529b4696 (not recommended) applied.
For assessment purposes.
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