diff options
| -rw-r--r-- | indra/llmessage/llcurl.cpp | 87 |
1 files changed, 84 insertions, 3 deletions
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp index 0c919011ac..c640e176ee 100644 --- a/indra/llmessage/llcurl.cpp +++ b/indra/llmessage/llcurl.cpp @@ -55,6 +55,7 @@ #include "llstl.h" #include "llsdserialize.h" #include "llthread.h" +#include "lltimer.h" ////////////////////////////////////////////////////////////////////////////// /* @@ -256,7 +257,12 @@ public: void resetState(); + static CURL* allocEasyHandle(); + static void releaseEasyHandle(CURL* handle); + private: + friend class LLCurl; + CURL* mCurlEasyHandle; struct curl_slist* mHeaders; @@ -271,8 +277,62 @@ private: std::vector<char*> mStrings; ResponderPtr mResponder; + + static std::set<CURL*> sFreeHandles; + static std::set<CURL*> sActiveHandles; + static LLMutex* sHandleMutex; }; +std::set<CURL*> LLCurl::Easy::sFreeHandles; +std::set<CURL*> LLCurl::Easy::sActiveHandles; +LLMutex* LLCurl::Easy::sHandleMutex = NULL; + + +//static +CURL* LLCurl::Easy::allocEasyHandle() +{ + CURL* ret = NULL; + LLMutexLock lock(sHandleMutex); + if (sFreeHandles.empty()) + { + ret = curl_easy_init(); + } + else + { + ret = *(sFreeHandles.begin()); + sFreeHandles.erase(ret); + curl_easy_reset(ret); + } + + if (ret) + { + sActiveHandles.insert(ret); + } + + return ret; +} + +//static +void LLCurl::Easy::releaseEasyHandle(CURL* handle) +{ + if (!handle) + { + llerrs << "handle cannot be NULL!" << llendl; + } + + LLMutexLock lock(sHandleMutex); + + if (sActiveHandles.find(handle) != sActiveHandles.end()) + { + sActiveHandles.erase(handle); + sFreeHandles.insert(handle); + } + else + { + llerrs << "Invalid handle." << llendl; + } +} + LLCurl::Easy::Easy() : mHeaders(NULL), mCurlEasyHandle(NULL) @@ -283,11 +343,12 @@ LLCurl::Easy::Easy() LLCurl::Easy* LLCurl::Easy::getEasy() { Easy* easy = new Easy(); - easy->mCurlEasyHandle = curl_easy_init(); + easy->mCurlEasyHandle = allocEasyHandle(); + if (!easy->mCurlEasyHandle) { // this can happen if we have too many open files (fails in c-ares/ares_init.c) - llwarns << "curl_multi_init() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl; + llwarns << "allocEasyHandle() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl; delete easy; return NULL; } @@ -301,7 +362,7 @@ LLCurl::Easy* LLCurl::Easy::getEasy() LLCurl::Easy::~Easy() { - curl_easy_cleanup(mCurlEasyHandle); + releaseEasyHandle(mCurlEasyHandle); --gCurlEasyCount; curl_slist_free_all(mHeaders); for_each(mStrings.begin(), mStrings.end(), DeletePointerArray()); @@ -543,6 +604,7 @@ LLCurl::Multi::Multi() mErrorCount(0) { mCurlMultiHandle = curl_multi_init(); + if (!mCurlMultiHandle) { llwarns << "curl_multi_init() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl; @@ -1078,6 +1140,8 @@ void LLCurl::initClass() // - http://curl.haxx.se/libcurl/c/curl_global_init.html curl_global_init(CURL_GLOBAL_ALL); + Easy::sHandleMutex = new LLMutex(NULL); + #if SAFE_SSL S32 mutex_count = CRYPTO_num_locks(); for (S32 i=0; i<mutex_count; i++) @@ -1095,5 +1159,22 @@ void LLCurl::cleanupClass() CRYPTO_set_locking_callback(NULL); for_each(sSSLMutex.begin(), sSSLMutex.end(), DeletePointer()); #endif + + delete Easy::sHandleMutex; + Easy::sHandleMutex = NULL; + + for (std::set<CURL*>::iterator iter = Easy::sFreeHandles.begin(); iter != Easy::sFreeHandles.end(); ++iter) + { + CURL* curl = *iter; + curl_easy_cleanup(curl); + } + + Easy::sFreeHandles.clear(); + + if (!Easy::sActiveHandles.empty()) + { + llerrs << "CURL easy handles not cleaned up on shutdown!" << llendl; + } + curl_global_cleanup(); } |