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This is the start of exploring the creation of a bundled OpenSimulator asset service that does de-duplication and possibly file storage of assets.
Along the lines of coyled's SRAS, but not intended to replace, merely to act as a more performant bundled default.
Might end up nicking stuff from kcozen's patch at http://opensimulator.org/mantis/view.php?id=5429
More details at http://opensimulator.org/wiki/Feature_Proposals/Deduplicating_Asset_Service
Feedback and discussion welcome as commits are made.
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Conflicts:
OpenSim/Services/Connectors/Asset/AssetServiceConnector.cs
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harmonise the same commands on the simulator side.
No functional change.
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Conflicts:
OpenSim/Region/Framework/Scenes/Scene.cs
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server with a fatal exception.
Now, such excpetions are caught by an exception handler and just an error message is shown.
This was the kind of exception causing these fatal server crashes:
APPLICATION EXCEPTION DETECTED: System.UnhandledExceptionEventArgs^M
^M
Exception: System.ArgumentOutOfRangeException: Argument is out of range.
Parameter name: offset exceeds the size of buffer
at System.Net.Sockets.NetworkStream.BeginRead (System.Byte[] buffer, Int32 offset, Int32 size, System.AsyncCallback callback, System.Object state) [0x00000] in <filename unknown>:0
at HttpServer.HttpClientContext.OnReceive (IAsyncResult ar) [0x00000] in <filename unknown>:0 ^M
^M
Application is terminating: True^M
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Assets have to be marked non-local as well as non-temporary to persist. This is now done.
Hopefully addresses http://opensimulator.org/mantis/view.php?id=5660
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an existing one with the same id.
We compare existing and loaded asset by doing an SHA1 on both, so that a changed library asset will still update the store.
This cuts asset library load time from 10 seconds to <1 sec.
Note, a fix on the previous commit revealed a bug where a library script cannot be copied except on the first login after a cache clear.
This is unrelated to this commit and needs to be fixed at some subsequent time.
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as well as its number
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This command dumps the asset with the given id to a file with the same name.
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IAR. This still doesn't work proprerly since some required textures/contained item assets might be missing.
From pure code inspection, it looks like the uuid gatherer may get most asset uuids because the scene object serializer naively pulls non-root parts from all contained scene objects into one mega-object. However, root part uuids may well still be missing, and there may be other odd artifacts from this bug.
It appears that storing the size of the coalescence and the offsets is redundant, since one can work out this information from the position data already in the scene object groups.
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Also prevent god takes from ending up in Lost and Found
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capability to preserve creator information on HG asset transfers. Added a new HGAssetService that is intended to be the one outside the firewall. It processes and filters the assets that go out of the grid. Also fixed the normal AssetService to do special things for the main instance (console commands, etc). Moved HGInventoryService to OpenSim.Services.HypergridService. Changed the way the login service gets the ServiceURL configs.
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stored in regionsettings. Upon generation of a new tile image, the old one is deleted. Tested for SQLite and MySql standalone.
* Fixed small bug with map search where the local sim regions weren't found.
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asset deletion in robust handler.
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CHANGES THE ASSET SERVER PROTOCOL and means you CAN NOT MIX PRIOR VERSIONS
WITH LATER ONES. It may also eat your babies, yada, yada, yada.
The usual cautions for migrations to the assets table apply.
Coding: Can not guarantee nut free.
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m_Database.GetAsset(assetID) is null in AssetService.cs
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cache only
* Adds GetTextureModule that implements the "GetTexture" capability, aka HTTP texture fetching. This is a significantly optimized path that does not require any server-side JPEG2000 decoding, texture priority queue, or UDP file transfer
* Sanity check for null reference in LLClientView.RefreshGroupMembership()
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This resolves the problem where eyes and hair would turn white on standalone configurations
When a client receives body part information, for some insane reason or other it always ends up uploading this back to the server and then immediately re-requesting it.
This should have been okay since we stored that asset in cache. However, the standalone asset service connector was not checking this cache properly, so every time the client made the request for the asset it has just loaded it would get a big fat null back in the face, causing it to make clothes and hair white.
This bug did not affect grids since they use a different service connector.
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* OnQueueEmpty is still called async, but will not be called for a given category if the previous callback for that category is still running. This is the most balanced behavior I could find, and seems to work well
* Added support for the old [ClientStack.LindenUDP] settings (including setting the receive buffer size) and added the new token bucket and global throttle settings
* Added the AssetLoaderEnabled config variable to optionally disable loading assets from XML every startup. This gives a dramatic improvement in startup times for those who don't need the functionality every startup
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separate insert and update methods.
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R.O.B.U.S.T.# show digest b8d3965a-ad78-bf43-699b-bff8eca6c975
Name: Terrain Dirt
Description:
Type: 0
Content-type: image/jp2
0000: FF-4F-FF-51-00-2F-00-00-00-00-00-80-00-00-00-80
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order. Thanks, Grumly57, for pointing it out.
The point of the original change was to let the more specific setting override
the less specific one, actually, I disabled the use of the less specific one.
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service implementation
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Several improvements in the connectors themselves.
Several improvements in configurations.
Needed to add a hack in IUserService and UserManagerBase, to be removed when that service is refactored.
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LICENSE.txt.
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HGUuidGatherer, which is a subclass of UuidGatherer. Hence, on-line HG asset transfers use exactly the same UUID collection code as save oar/xml. If it doesn't work, it's Justin's fault :D
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NOTE: we currently have a gazillion warnings caused stuff flagged as
"obsolete" (OGS1 stuff) --- what's up with that?
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asset.ID insisting on being a UUID string.
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the user server skeleton in preparation for introducing a generic server
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-- please see the example. Affects region servers only.
This may break a lot of things, but it needs to go in. It was tested in standalone and the UCI grid, but it needs a lot more testing.
Known problems:
* HG asset transfers are borked for now
* missing texture is missing
* 3 unit tests commented out for now
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config options.
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