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Changes the permissions module to make scripts permissive only when intended
Adds security checks to asset transfers to prevent hacked clients fron
requesting script sources.
Adds security checks to llClientView to verify all aspects of ownership
and permissions for inventory based script retrieval.
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being done by the lower database layers
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* Migration should be automatic on sqlite and mysql
* Migration is not automatic on mssql, you will need to drop the invType column manually
* Migration should be fine, but as for any db change, I would recommend making sure you have backups before moving past this revision
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cache. Bandaid until we rethink the caches a bit more.
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levels
* This currently has various bugs which are more to do with the way its been hacked together than the feature itself (e.g. on save-oar, ghost prims will appear of the saved
contained items). These will be found and eliminated in subsequent patches.
* Not yet ready for use
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clear-assets command is used on the region console
* stop waiting for garbage collection when GC total memory used is requested, in case the periodic request of this lags the sim
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If a request is made for an asset which is not in the cache yet,
but has already been requested by something else, queue up the
callbacks on that requester instead of swamping the asset server
with multiple requests for the same asset.
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fully in the region console
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handle it..." by properly dealing with the situation where a client still has queued texture requests when it logs out
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an asset to be missing
* This prevents repeated requests for the same missing asset to the asset server, hopefully reducing the load a little
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* This revision also includes a very temporary fix for the fact that NREs are received because of a missing avatar apperance in grid mode
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* Eventually this codebase will be clean. >_>
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* Made a bunch more members static, removed some dead code, general cleaning.
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(this took a while to run).
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Patch to remove commented NotImpemented calls from within implemented script functions
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asset cache, until it can be seen if the module was the cause of some new problems that seem like they might be related to assets. I'll look into this more tomorrow.
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functions are no longer in AssetCache
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ever seen". I'm not sure I should be doing this commit, but oh well.
So anyway, it moves the Asset downloading (packet sending) to a module (AssetDownloadModule).
So now at last, AssetCache should be just dealing with fetching assets from the asset server and caching them.
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happening due to locks in the AssetCache and Texturedownload module. Where the thread from the Asset thread would be take a lock on a list in the asset cache and then try to call the Callback into the texturedownload module and hit a lock in there which was held by a ClientView thread- which at the same time would be trying to request another texture from the cache and be hitting the lock in there held by the IClientAPI. The result each thread waiting for the other one to release a lock. And as one of those was the ClientView process packet thread. No more packets from that client could be processed. For now I've made a copy of the list in AssetCache so that it can release the lock. I'm doing more work on assets (moving the client asset downloading to a module ), so will hopefully change this into a better method once I've cleaned over things up a bit.
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an image
* This might stop some client's constant requests for unfound textures, which is a candidate for the memory leak
* If a texture is not found then the "Image not found" texture will now be displayed clientside
* If it works, this should resolve mantis 676
* Non texture image requests do not receive this packet yet
* This will require a prebuild
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* Correct asset cache stats table heading
* Correct spelling mistake in AssetCache (thanks ChrisD!)
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* As such, only a request for a non cached asset, the response and failures show up now.
* I know lbsa71 only put these in not long ago, so if they are really still required, I think we should think whether we can move the default log4net level off 'Debug'
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compiled in DEBUG mode)... Its ugly and even requires a separate thread to track the treads, but it will be very valuable in debugging.
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* Resolve a bad logic bug in AssetCache.GetAsset()
* This may make some asset related things work better (possibly getting main map images will now be improved).
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data from the asset server
* This should stop the constant increase in the download requests statistics
* If you see stat numbers for download requests which are far from what you'd expect, please report
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(my own bug)
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* Add documentation to AssetCache
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* This fixes some of the 'runaway downloads' problem but not all of it
* Also fix up logging messages so texture requests are reported as such rather than as assets
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* turned script asset fetching asynchronous
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scene)
* Fixed ClickAction situation on the same note (properties shouldn't cause big changes)
* Added some more debug output to AssetCache
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threads so it will be easier to debug.
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think first transfer of asset should start faster.
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'show assets' shows the current state of the asset cache (number of cached assets, requests, et c)
'clear-assets' forcibly re-initializes the asset cache thereby freeing all cached items.
'clear-assets' is not to be used lightly, as it probably introduces mem inconsistencies and doubling up of textures.
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so threw and exception when attempting to log that we missed an asset and
were waiting for it.
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