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Add a PerHostRequestQueue object.

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Adds a std::map for hostname (or urls) --> PerHostRequestQueue
objects. The latter keeps track of the number of added curl easy
requests and decides if a new request should be throttled or
not, as well as provides the queue to queue throttled requests.

At the moment CurlConcurrentConnectionsPerHost is set to 16,
because things really don't work without LL supporting connection
reuse if we limit it to 2. CurlConcurrentConnectionsPerHost is
also set to non-persistent so that we can easily change it in the future
(once we decide on it's final value it can be set to persistent).
This commit is contained in:
Aleric Inglewood
2012-11-07 15:41:50 +01:00
parent cb52e82a60
commit 68cbf31c8b
11 changed files with 414 additions and 54 deletions
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5
indra/llmessage/aicurl.h
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@@ -148,7 +148,8 @@ struct Stats {
// Global functions.
// Called to handle changes in Debug Settings.
bool handleCurlConcurrentConnections(LLSD const& newvalue);
bool handleCurlMaxTotalConcurrentConnections(LLSD const& newvalue);
bool handleCurlConcurrentConnectionsPerHost(LLSD const& newvalue);
bool handleNoVerifySSLCert(LLSD const& newvalue);
// Called once at start of application (from newview/llappviewer.cpp by main thread (before threads are created)),
@@ -156,7 +157,7 @@ bool handleNoVerifySSLCert(LLSD const& newvalue);
void initCurl(void);
// Called once at start of application (from LLAppViewer::initThreads), starts AICurlThread.
void startCurlThread(U32 CurlConcurrentConnections, bool NoVerifySSLCert);
void startCurlThread(U32 CurlMaxTotalConcurrentConnections, U32 CurlConcurrentConnectionsPerHost, bool NoVerifySSLCert);
// Called once at end of application (from newview/llappviewer.cpp by main thread),
// with purpose to stop curl threads, free curl resources and deinitialize curl.