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2013-07-12SH-4312 Configuration data between viewer and llcorehttp is clumsy.Monty Brandenberg
Much improved. Unified the global and class options into a single option list. Implemented static and dynamic setting paths as much as possible. Dynamic path does require packet/RPC but otherwise there's near unification. Dynamic modes can't get values back yet due to the response/notifier scheme but this doesn't bother me. Flatten global and class options into simpler struct-like entities. Setter/getter available on these when needed (external APIs) but code can otherwise fiddle directly when it knows what to do. Much duplicated options/state removed from HttpPolicy. Comments cleaned up. Threads better described and consistently mentioned in API docs. Integration test extended for 503 responses with Reply-After headers.
2013-07-08Found the memory corruptor. String trimmer didn't have a validMonty Brandenberg
termination test. Sheesh. Also get some more numbers out of the example/load test program which drives traffic. This should give some useful insights into how the current http throttle works (or doesn't) with varying client demands.
2013-07-03Update the example program so it handles meshes as well. Fix theMonty Brandenberg
request feed logic to use high/low-water level logic as is done in viewer code.
2013-04-15SH-4106 Significantly upgrade the HttpHeaders interface for SSB.Monty Brandenberg
Header container moves from a vector of raw lines to a vector of string pairs representing name/value pairs in headers. For incoming headers, we normalize the name to lowercase and trim it. Values are only left-trimmed. Outgoing headers are left as-is. Simple find() method for the common case, forward and reverse iterators for those few who need to do it themselves. The HTTP status line (e.g. 'HTTP/1.1 200 Ok') is no longer treated as a header to be returned to caller. Unit tests, as usual, were a bear but they absolutely ensured outgoing HTTP header conformance after the change. Grunt work paid off. LLTextureFetch was also given a second options structure for texture fetches. Same as the original but with header return to caller requested. Baked textures should use this, the other 20,000 texture fetch requests should continue to use the original.
2013-03-29Update Mac and Windows breakpad builds to latestGraham Madarasz
2012-11-27Tweak the example program (used as a performance tester) so that itMonty Brandenberg
will run with higher connection concurrencies. I'm using this to test the listener queue length reporting on apaches and everything is consistent and as expected with this change (stuck at eight before).
2012-07-12SH-3183 Use valgrind on the library.Monty Brandenberg
Using http_texture_load as the test subject, library looks clean. Did some better shutdown in the program itself and it looks better. Libcurl itself is making a lot of noise. Adapted testrunner to run valgrind as well but the memory allocation tester in the tools themselves grossly interferes with Valgrind operations.
2012-07-10SH-3244 Syscall avoidance in HttpRequest::update() methodMonty Brandenberg
Well, achieved that by doing work in bulk when needed. But turned into some additional things. Change timebase from mS to uS as, well, things are headed that way. Implement an HttpReplyQueue::fetchAll method (advertised one, hadn't implemented it).
2012-07-04Example program needs to set Accept: header to talk to Caps router.Monty Brandenberg
2012-06-16Add metrics gathering utils for Mac OS X. All platforms have useful numbers ↵Monty Brandenberg
now.
2012-06-16Implement metrics collection for Linux. Next: Mac OS X.Monty Brandenberg
2012-06-16First round of basic tuning work (shorter sleeps, larger BufferArray blocks).Monty Brandenberg
Beefed up the metrics gathering in http_texture_load to get memory sizes and cpu consumption on windows (still need to implement that on Mac & linux). Ran runs with various idle loops with sleeps from 20 ms down to pure spinning, varied Block allocation size from 1504 to 2^20 bytes. 2ms/2ms/65540 appears to be a good spot under the test conditions (Win7, danu grid, client in Boston).
2012-06-15Fix for linux/mac builds.Monty Brandenberg
2012-06-15Ported example (freestanding) program to drive API & generate performance ↵Monty Brandenberg
numbers. This is a command-line utility to pull content down from a service through the llcorehttp library to produce timings and resource footprints.