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compatible with old and new http libraries
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retries to 5xx errors
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for testing
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it more clear which header strings should be used for incoming vs outgoing situations.
Using constants for commonly used llhttpnode context strings.
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textures
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of server bakes. A better solution is desirable, may not be for initial release
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failures
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changes to common libraries from the server codebase:
* Additional error checking in http handlers.
* Uniform log spam for http errors.
* Switch to using constants for http heads and status codes.
* Fixed bugs in incorrectly checking if parsing LLSD xml resulted in an error.
* Reduced spam regarding LLSD parsing errors in the default completedRaw http handler. It should not longer be necessary to short-circuit completedRaw to avoid spam.
* Ported over a few bug fixes from the server code.
* Switch mode http status codes to use S32 instead of U32.
* Ported LLSD::asStringRef from server code; avoids copying strings all over the place.
* Ported server change to LLSD::asBinary; this always returns a reference now instead of copying the entire binary blob.
* Ported server pretty notation format (and pretty binary format) to llsd serialization.
* The new LLCurl::Responder API no longer has two error handlers to choose from. Overriding the following methods have been deprecated:
** error - use httpFailure
** errorWithContent - use httpFailure
** result - use httpSuccess
** completed - use httpCompleted
** completedHeader - no longer necessary; call getResponseHeaders() from a completion method to obtain these headers.
* In order to 'catch' a completed http request, override one of these methods:
** httpSuccess - Called for any 2xx status code.
** httpFailure - Called for any non-2xx status code.
** httpComplete - Called for all status codes. Default implementation is to call either httpSuccess or httpFailure.
* It is recommended to keep these methods protected/private in order to avoid triggering of these methods without using a 'push' method (see below).
* Uniform error handling should followed whenever possible by calling a variant of this during httpFailure:
** llwarns << dumpResponse() << llendl;
* Be sure to include LOG_CLASS(your_class_name) in your class in order for the log entry to give more context.
* In order to 'push' a result into the responder, you should no longer call error, errorWithContent, result, or completed.
* Nor should you directly call httpSuccess/Failure/Completed (unless passing a message up to a parent class).
* Instead, you can set the internal content of a responder and trigger a corresponding method using the following methods:
** successResult - Sets results and calls httpSuccess
** failureResult - Sets results and calls httpFailure
** completedResult - Sets results and calls httpCompleted
* To obtain information about a the response from a reponder method, use the following getters:
** getStatus - HTTP status code
** getReason - Reason string
** getContent - Content (Parsed body LLSD)
** getResponseHeaders - Response Headers (LLSD map)
** getHTTPMethod - HTTP method of the request
** getURL - URL of the request
* It is still possible to override completeRaw if you want to manipulate data directly out of LLPumpIO.
* See indra/llmessage/llcurl.h for more information.
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host bake, map tile, etc - down the chain so LLTextureFetchWorker can adjust behavior as needed
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Most of the merge was clean, a couple conflicts.
Brought over a couple patches manually for llpolymesh.
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http phase 1 Some missing counter initialization kept the debugger
from entering the startup state giving the appearance of a do-
nothing floater. Also found some unbound recursion that might need
looking at in the future. (There's a comment.)
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request. During readcallback, would generate an overrun-type message
about reading position beyond end-of-data. Mistake was is messaging
when state is exactly at end of data (which is expected) versus an
overrun. Both result in declaring end-of-data to libcurl. Also
changed some of the status logging for the metrics payload to be
less chatty on success, more informative on error.
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alignment issue in llAppearance.
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out-of-order deletion of LLTextureFetch on shutdown
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cmake and other files didn't get moved over, do it by hand.
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Restore original deleteRequest/removeRequest implementation removing
a small race. Remove a short-lived additional timeout scheme on requests
which really isn't appropriate as originally implemented as we can have
very long-lived requests on big regions.
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This was yet another refresh from v-d because of significant changes
to lltexturefetch that would not have been resolvable by casual
application of any merge tool. There are still a few questions
outstanding but this is the initial, optimistic merge.
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This doesn't really address 3325 directly but it is the result of research
done while hunting it down. First, this is a thread safety improvement for
canceled requests that have gone into resource wait state. I don't think
we've seen a failure there but there was a window. It also cleans the
resource wait queue earlier which lets us do less work and get requests
more quickly into llcorehttp by bypassing the resource wait state. With
this, I finally feel comfortable about rundown of requests.
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A/B comparison with original code showed the newer issuing lower-priority
requests of the cache reader and some other minor changes. Brought them
into agreement (this is cargo-cult programming). Made the HTTP resource
semaphore an atomic int for rigorous correctness across threads. I
swear I'm going to tear down this code someday.
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Dropped an argument during integration which made the total byte count read
lower than expected. Everything else is fine, however.
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Isolate llcorehttp initialization into a utility class (LLAppCoreHttp)
that provides glue between app and library (sets up policies, handles
notifications). Introduce 'TextureFetchConcurrency' debug setting to
provide some field control when absolutely necessary.
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