diff options
Diffstat (limited to 'indra/llmessage/llcurl.cpp')
| -rw-r--r-- | indra/llmessage/llcurl.cpp | 426 |
1 files changed, 339 insertions, 87 deletions
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp index 7ca25d07fc..3bcaffc275 100644 --- a/indra/llmessage/llcurl.cpp +++ b/indra/llmessage/llcurl.cpp @@ -72,10 +72,9 @@ static const U32 EASY_HANDLE_POOL_SIZE = 5; static const S32 MULTI_PERFORM_CALL_REPEAT = 5; -static const S32 CURL_REQUEST_TIMEOUT = 30; // seconds +static const S32 CURL_REQUEST_TIMEOUT = 30; // seconds per operation static const S32 MAX_ACTIVE_REQUEST_COUNT = 100; -static // DEBUG // S32 gCurlEasyCount = 0; S32 gCurlMultiCount = 0; @@ -87,6 +86,11 @@ std::vector<LLMutex*> LLCurl::sSSLMutex; std::string LLCurl::sCAPath; std::string LLCurl::sCAFile; LLCurlThread* LLCurl::sCurlThread = NULL ; +LLMutex* LLCurl::sHandleMutexp = NULL ; +S32 LLCurl::sTotalHandles = 0 ; +bool LLCurl::sNotQuitting = true; +F32 LLCurl::sCurlRequestTimeOut = 120.f; //seonds +S32 LLCurl::sMaxHandles = 256; //max number of handles, (multi handles and easy handles combined). void check_curl_code(CURLcode code) { @@ -219,14 +223,20 @@ namespace boost std::set<CURL*> LLCurl::Easy::sFreeHandles; std::set<CURL*> LLCurl::Easy::sActiveHandles; +LLMutex* LLCurl::Easy::sHandleMutexp = NULL ; //static CURL* LLCurl::Easy::allocEasyHandle() { + llassert(LLCurl::getCurlThread()) ; + CURL* ret = NULL; + + LLMutexLock lock(sHandleMutexp) ; + if (sFreeHandles.empty()) { - ret = curl_easy_init(); + ret = LLCurl::newEasyHandle(); } else { @@ -246,15 +256,27 @@ CURL* LLCurl::Easy::allocEasyHandle() //static void LLCurl::Easy::releaseEasyHandle(CURL* handle) { + static const S32 MAX_NUM_FREE_HANDLES = 32 ; + if (!handle) { - llerrs << "handle cannot be NULL!" << llendl; + return ; //handle allocation failed. + //llerrs << "handle cannot be NULL!" << llendl; } + LLMutexLock lock(sHandleMutexp) ; if (sActiveHandles.find(handle) != sActiveHandles.end()) { sActiveHandles.erase(handle); - sFreeHandles.insert(handle); + + if(sFreeHandles.size() < MAX_NUM_FREE_HANDLES) + { + sFreeHandles.insert(handle); + } + else + { + LLCurl::deleteEasyHandle(handle) ; + } } else { @@ -297,6 +319,14 @@ LLCurl::Easy::~Easy() --gCurlEasyCount; curl_slist_free_all(mHeaders); for_each(mStrings.begin(), mStrings.end(), DeletePointerArray()); + + if (mResponder && LLCurl::sNotQuitting) //aborted + { + std::string reason("Request timeout, aborted.") ; + mResponder->completedRaw(408, //HTTP_REQUEST_TIME_OUT, timeout, abort + reason, mChannels, mOutput); + } + mResponder = NULL; } void LLCurl::Easy::resetState() @@ -469,6 +499,7 @@ void LLCurl::Easy::prepRequest(const std::string& url, LLProxy::getInstance()->applyProxySettings(this); mOutput.reset(new LLBufferArray); + mOutput->setThreaded(true); setopt(CURLOPT_WRITEFUNCTION, (void*)&curlWriteCallback); setopt(CURLOPT_WRITEDATA, (void*)this); @@ -512,36 +543,56 @@ void LLCurl::Easy::prepRequest(const std::string& url, } //////////////////////////////////////////////////////////////////////////// - -LLCurl::Multi::Multi() +LLCurl::Multi::Multi(F32 idle_time_out) : mQueued(0), mErrorCount(0), mState(STATE_READY), mDead(FALSE), mMutexp(NULL), - mDeletionMutexp(NULL) + mDeletionMutexp(NULL), + mEasyMutexp(NULL) { - mCurlMultiHandle = curl_multi_init(); + mCurlMultiHandle = LLCurl::newMultiHandle(); if (!mCurlMultiHandle) { llwarns << "curl_multi_init() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl; - mCurlMultiHandle = curl_multi_init(); + mCurlMultiHandle = LLCurl::newMultiHandle(); } - llassert_always(mCurlMultiHandle); - - if(LLCurl::getCurlThread()->getThreaded()) + //llassert_always(mCurlMultiHandle); + + if(mCurlMultiHandle) { - mMutexp = new LLMutex(NULL) ; - mDeletionMutexp = new LLMutex(NULL) ; - } - LLCurl::getCurlThread()->addMulti(this) ; + if(LLCurl::getCurlThread()->getThreaded()) + { + mMutexp = new LLMutex(NULL) ; + mDeletionMutexp = new LLMutex(NULL) ; + mEasyMutexp = new LLMutex(NULL) ; + } + LLCurl::getCurlThread()->addMulti(this) ; - ++gCurlMultiCount; + mIdleTimeOut = idle_time_out ; + if(mIdleTimeOut < LLCurl::sCurlRequestTimeOut) + { + mIdleTimeOut = LLCurl::sCurlRequestTimeOut ; + } + + ++gCurlMultiCount; + } } LLCurl::Multi::~Multi() { + cleanup() ; +} + +void LLCurl::Multi::cleanup() +{ + if(!mCurlMultiHandle) + { + return ; //nothing to clean. + } + // Clean up active for(easy_active_list_t::iterator iter = mEasyActiveList.begin(); iter != mEasyActiveList.end(); ++iter) @@ -557,14 +608,22 @@ LLCurl::Multi::~Multi() for_each(mEasyFreeList.begin(), mEasyFreeList.end(), DeletePointer()); mEasyFreeList.clear(); - check_curl_multi_code(curl_multi_cleanup(mCurlMultiHandle)); + check_curl_multi_code(LLCurl::deleteMultiHandle(mCurlMultiHandle)); + mCurlMultiHandle = NULL ; delete mMutexp ; mMutexp = NULL ; delete mDeletionMutexp ; mDeletionMutexp = NULL ; - + delete mEasyMutexp ; + mEasyMutexp = NULL ; + + mQueued = 0 ; + mState = STATE_COMPLETED; + --gCurlMultiCount; + + return ; } void LLCurl::Multi::lock() @@ -585,39 +644,27 @@ void LLCurl::Multi::unlock() void LLCurl::Multi::markDead() { - if(mDeletionMutexp) - { - mDeletionMutexp->lock() ; - } - + LLMutexLock lock(mDeletionMutexp) ; + mDead = TRUE ; - - if(mDeletionMutexp) - { - mDeletionMutexp->unlock() ; - } + LLCurl::getCurlThread()->setPriority(mHandle, LLQueuedThread::PRIORITY_URGENT) ; } void LLCurl::Multi::setState(LLCurl::Multi::ePerformState state) { lock() ; mState = state ; + unlock() ; + if(mState == STATE_READY) { LLCurl::getCurlThread()->setPriority(mHandle, LLQueuedThread::PRIORITY_NORMAL) ; - } - unlock() ; + } } LLCurl::Multi::ePerformState LLCurl::Multi::getState() { - ePerformState state ; - - lock() ; - state = mState ; - unlock() ; - - return state ; + return mState; } bool LLCurl::Multi::isCompleted() @@ -627,27 +674,30 @@ bool LLCurl::Multi::isCompleted() bool LLCurl::Multi::waitToComplete() { + if(!isValid()) + { + return true ; + } + if(!mMutexp) //not threaded { doPerform() ; return true ; } - bool completed ; - - lock() ; - completed = (STATE_COMPLETED == mState) ; + bool completed = (STATE_COMPLETED == mState) ; if(!completed) { - LLCurl::getCurlThread()->setPriority(mHandle, LLQueuedThread::PRIORITY_URGENT) ; + LLCurl::getCurlThread()->setPriority(mHandle, LLQueuedThread::PRIORITY_HIGH) ; } - unlock() ; - + return completed; } CURLMsg* LLCurl::Multi::info_read(S32* msgs_in_queue) { + LLMutexLock lock(mMutexp) ; + CURLMsg* curlmsg = curl_multi_info_read(mCurlMultiHandle, msgs_in_queue); return curlmsg; } @@ -655,10 +705,8 @@ CURLMsg* LLCurl::Multi::info_read(S32* msgs_in_queue) //return true if dead bool LLCurl::Multi::doPerform() { - if(mDeletionMutexp) - { - mDeletionMutexp->lock() ; - } + LLMutexLock lock(mDeletionMutexp) ; + bool dead = mDead ; if(mDead) @@ -675,6 +723,11 @@ bool LLCurl::Multi::doPerform() call_count < MULTI_PERFORM_CALL_REPEAT; call_count++) { + LLMutexLock lock(mMutexp) ; + + //WARNING: curl_multi_perform will block for many hundreds of milliseconds + // NEVER call this from the main thread, and NEVER allow the main thread to + // wait on a mutex held by this thread while curl_multi_perform is executing CURLMcode code = curl_multi_perform(mCurlMultiHandle, &q); if (CURLM_CALL_MULTI_PERFORM != code || q == 0) { @@ -685,12 +738,12 @@ bool LLCurl::Multi::doPerform() } mQueued = q; - setState(STATE_COMPLETED) ; + setState(STATE_COMPLETED) ; + mIdleTimer.reset() ; } - - if(mDeletionMutexp) + else if(mIdleTimer.getElapsedTimeF32() > mIdleTimeOut) //idle for too long, remove it. { - mDeletionMutexp->unlock() ; + dead = true ; } return dead ; @@ -698,6 +751,11 @@ bool LLCurl::Multi::doPerform() S32 LLCurl::Multi::process() { + if(!isValid()) + { + return 0 ; + } + waitToComplete() ; if (getState() != STATE_COMPLETED) @@ -715,10 +773,19 @@ S32 LLCurl::Multi::process() if (msg->msg == CURLMSG_DONE) { U32 response = 0; - easy_active_map_t::iterator iter = mEasyActiveMap.find(msg->easy_handle); - if (iter != mEasyActiveMap.end()) + Easy* easy = NULL ; + + { + LLMutexLock lock(mEasyMutexp) ; + easy_active_map_t::iterator iter = mEasyActiveMap.find(msg->easy_handle); + if (iter != mEasyActiveMap.end()) + { + easy = iter->second; + } + } + + if(easy) { - Easy* easy = iter->second; response = easy->report(msg->data.result); removeEasy(easy); } @@ -743,19 +810,21 @@ S32 LLCurl::Multi::process() LLCurl::Easy* LLCurl::Multi::allocEasy() { - Easy* easy = 0; + Easy* easy = 0; if (mEasyFreeList.empty()) - { + { easy = Easy::getEasy(); } else { + LLMutexLock lock(mEasyMutexp) ; easy = *(mEasyFreeList.begin()); mEasyFreeList.erase(easy); } if (easy) { + LLMutexLock lock(mEasyMutexp) ; mEasyActiveList.insert(easy); mEasyActiveMap[easy->getCurlHandle()] = easy; } @@ -764,6 +833,7 @@ LLCurl::Easy* LLCurl::Multi::allocEasy() bool LLCurl::Multi::addEasy(Easy* easy) { + LLMutexLock lock(mMutexp) ; CURLMcode mcode = curl_multi_add_handle(mCurlMultiHandle, easy->getCurlHandle()); check_curl_multi_code(mcode); //if (mcode != CURLM_OK) @@ -776,22 +846,41 @@ bool LLCurl::Multi::addEasy(Easy* easy) void LLCurl::Multi::easyFree(Easy* easy) { + if(mEasyMutexp) + { + mEasyMutexp->lock() ; + } + mEasyActiveList.erase(easy); mEasyActiveMap.erase(easy->getCurlHandle()); + if (mEasyFreeList.size() < EASY_HANDLE_POOL_SIZE) - { - easy->resetState(); + { mEasyFreeList.insert(easy); + + if(mEasyMutexp) + { + mEasyMutexp->unlock() ; + } + + easy->resetState(); } else { + if(mEasyMutexp) + { + mEasyMutexp->unlock() ; + } delete easy; } } void LLCurl::Multi::removeEasy(Easy* easy) { - check_curl_multi_code(curl_multi_remove_handle(mCurlMultiHandle, easy->getCurlHandle())); + { + LLMutexLock lock(mMutexp) ; + check_curl_multi_code(curl_multi_remove_handle(mCurlMultiHandle, easy->getCurlHandle())); + } easyFree(easy); } @@ -819,7 +908,11 @@ bool LLCurlThread::CurlRequest::processRequest() if(mMulti) { completed = mCurlThread->doMultiPerform(mMulti) ; - setPriority(LLQueuedThread::PRIORITY_LOW) ; + + if(!completed) + { + setPriority(LLQueuedThread::PRIORITY_LOW) ; + } } return completed ; @@ -827,7 +920,15 @@ bool LLCurlThread::CurlRequest::processRequest() void LLCurlThread::CurlRequest::finishRequest(bool completed) { - mCurlThread->deleteMulti(mMulti) ; + if(mMulti->isDead()) + { + mCurlThread->deleteMulti(mMulti) ; + } + else + { + mCurlThread->cleanupMulti(mMulti) ; //being idle too long, remove the request. + } + mMulti = NULL ; } @@ -841,7 +942,7 @@ LLCurlThread::~LLCurlThread() { } -S32 LLCurlThread::update(U32 max_time_ms) +S32 LLCurlThread::update(F32 max_time_ms) { return LLQueuedThread::update(max_time_ms); } @@ -860,7 +961,19 @@ void LLCurlThread::addMulti(LLCurl::Multi* multi) void LLCurlThread::killMulti(LLCurl::Multi* multi) { - multi->markDead() ; + if(!multi) + { + return ; + } + + if(multi->isValid()) + { + multi->markDead() ; + } + else + { + deleteMulti(multi) ; + } } //private @@ -874,6 +987,13 @@ void LLCurlThread::deleteMulti(LLCurl::Multi* multi) { delete multi ; } + +//private +void LLCurlThread::cleanupMulti(LLCurl::Multi* multi) +{ + multi->cleanup() ; +} + //------------------------------------------------------------ //static @@ -906,7 +1026,14 @@ LLCurlRequest::~LLCurlRequest() void LLCurlRequest::addMulti() { LLCurl::Multi* multi = new LLCurl::Multi(); - + if(!multi->isValid()) + { + LLCurl::getCurlThread()->killMulti(multi) ; + mActiveMulti = NULL ; + mActiveRequestCount = 0 ; + return; + } + mMultiSet.insert(multi); mActiveMulti = multi; mActiveRequestCount = 0; @@ -920,7 +1047,12 @@ LLCurl::Easy* LLCurlRequest::allocEasy() { addMulti(); } - llassert_always(mActiveMulti); + if(!mActiveMulti) + { + return NULL ; + } + + //llassert_always(mActiveMulti); ++mActiveRequestCount; LLCurl::Easy* easy = mActiveMulti->allocEasy(); return easy; @@ -1030,6 +1162,19 @@ S32 LLCurlRequest::process() { curlmulti_set_t::iterator curiter = iter++; LLCurl::Multi* multi = *curiter; + + if(!multi->isValid()) + { + if(multi == mActiveMulti) + { + mActiveMulti = NULL ; + mActiveRequestCount = 0 ; + } + mMultiSet.erase(curiter) ; + LLCurl::getCurlThread()->killMulti(multi) ; + continue ; + } + S32 tres = multi->process(); res += tres; if (multi != mActiveMulti && tres == 0 && multi->mQueued == 0) @@ -1050,6 +1195,19 @@ S32 LLCurlRequest::getQueued() { curlmulti_set_t::iterator curiter = iter++; LLCurl::Multi* multi = *curiter; + + if(!multi->isValid()) + { + if(multi == mActiveMulti) + { + mActiveMulti = NULL ; + mActiveRequestCount = 0 ; + } + LLCurl::getCurlThread()->killMulti(multi); + mMultiSet.erase(curiter) ; + continue ; + } + queued += multi->mQueued; if (multi->getState() != LLCurl::Multi::STATE_READY) { @@ -1069,13 +1227,22 @@ LLCurlEasyRequest::LLCurlEasyRequest() { mMulti = new LLCurl::Multi(); - mEasy = mMulti->allocEasy(); - if (mEasy) + if(mMulti->isValid()) { - mEasy->setErrorBuffer(); - mEasy->setCA(); - // Set proxy settings if configured to do so. - LLProxy::getInstance()->applyProxySettings(mEasy); + mEasy = mMulti->allocEasy(); + if (mEasy) + { + mEasy->setErrorBuffer(); + mEasy->setCA(); + // Set proxy settings if configured to do so. + LLProxy::getInstance()->applyProxySettings(mEasy); + } + } + else + { + LLCurl::getCurlThread()->killMulti(mMulti) ; + mEasy = NULL ; + mMulti = NULL ; } } @@ -1086,7 +1253,7 @@ LLCurlEasyRequest::~LLCurlEasyRequest() void LLCurlEasyRequest::setopt(CURLoption option, S32 value) { - if (mEasy) + if (isValid() && mEasy) { mEasy->setopt(option, value); } @@ -1094,7 +1261,7 @@ void LLCurlEasyRequest::setopt(CURLoption option, S32 value) void LLCurlEasyRequest::setoptString(CURLoption option, const std::string& value) { - if (mEasy) + if (isValid() && mEasy) { mEasy->setoptString(option, value); } @@ -1102,7 +1269,7 @@ void LLCurlEasyRequest::setoptString(CURLoption option, const std::string& value void LLCurlEasyRequest::setPost(char* postdata, S32 size) { - if (mEasy) + if (isValid() && mEasy) { mEasy->setopt(CURLOPT_POST, 1); mEasy->setopt(CURLOPT_POSTFIELDS, postdata); @@ -1112,7 +1279,7 @@ void LLCurlEasyRequest::setPost(char* postdata, S32 size) void LLCurlEasyRequest::setHeaderCallback(curl_header_callback callback, void* userdata) { - if (mEasy) + if (isValid() && mEasy) { mEasy->setopt(CURLOPT_HEADERFUNCTION, (void*)callback); mEasy->setopt(CURLOPT_HEADERDATA, userdata); // aka CURLOPT_WRITEHEADER @@ -1121,7 +1288,7 @@ void LLCurlEasyRequest::setHeaderCallback(curl_header_callback callback, void* u void LLCurlEasyRequest::setWriteCallback(curl_write_callback callback, void* userdata) { - if (mEasy) + if (isValid() && mEasy) { mEasy->setopt(CURLOPT_WRITEFUNCTION, (void*)callback); mEasy->setopt(CURLOPT_WRITEDATA, userdata); @@ -1130,7 +1297,7 @@ void LLCurlEasyRequest::setWriteCallback(curl_write_callback callback, void* use void LLCurlEasyRequest::setReadCallback(curl_read_callback callback, void* userdata) { - if (mEasy) + if (isValid() && mEasy) { mEasy->setopt(CURLOPT_READFUNCTION, (void*)callback); mEasy->setopt(CURLOPT_READDATA, userdata); @@ -1139,7 +1306,7 @@ void LLCurlEasyRequest::setReadCallback(curl_read_callback callback, void* userd void LLCurlEasyRequest::setSSLCtxCallback(curl_ssl_ctx_callback callback, void* userdata) { - if (mEasy) + if (isValid() && mEasy) { mEasy->setopt(CURLOPT_SSL_CTX_FUNCTION, (void*)callback); mEasy->setopt(CURLOPT_SSL_CTX_DATA, userdata); @@ -1148,7 +1315,7 @@ void LLCurlEasyRequest::setSSLCtxCallback(curl_ssl_ctx_callback callback, void* void LLCurlEasyRequest::slist_append(const char* str) { - if (mEasy) + if (isValid() && mEasy) { mEasy->slist_append(str); } @@ -1159,7 +1326,7 @@ void LLCurlEasyRequest::sendRequest(const std::string& url) llassert_always(!mRequestSent); mRequestSent = true; lldebugs << url << llendl; - if (mEasy) + if (isValid() && mEasy) { mEasy->setHeaders(); mEasy->setoptString(CURLOPT_URL, url); @@ -1171,7 +1338,7 @@ void LLCurlEasyRequest::requestComplete() { llassert_always(mRequestSent); mRequestSent = false; - if (mEasy) + if (isValid() && mEasy) { mMulti->removeEasy(mEasy); } @@ -1180,6 +1347,10 @@ void LLCurlEasyRequest::requestComplete() // Usage: Call getRestult until it returns false (no more messages) bool LLCurlEasyRequest::getResult(CURLcode* result, LLCurl::TransferInfo* info) { + if(!isValid()) + { + return false ; + } if (!mMulti->isCompleted()) { //we're busy, try again later return false; @@ -1244,7 +1415,7 @@ CURLMsg* LLCurlEasyRequest::info_read(S32* q, LLCurl::TransferInfo* info) std::string LLCurlEasyRequest::getErrorString() { - return mEasy ? std::string(mEasy->getErrorBuffer()) : std::string(); + return isValid() && mEasy ? std::string(mEasy->getErrorBuffer()) : std::string(); } //////////////////////////////////////////////////////////////////////////// @@ -1270,8 +1441,11 @@ unsigned long LLCurl::ssl_thread_id(void) } #endif -void LLCurl::initClass(bool multi_threaded) +void LLCurl::initClass(F32 curl_reuest_timeout, S32 max_number_handles, bool multi_threaded) { + sCurlRequestTimeOut = curl_reuest_timeout ; //seconds + sMaxHandles = max_number_handles ; //max number of handles, (multi handles and easy handles combined). + // Do not change this "unless you are familiar with and mean to control // internal operations of libcurl" // - http://curl.haxx.se/libcurl/c/curl_global_init.html @@ -1290,10 +1464,17 @@ void LLCurl::initClass(bool multi_threaded) #endif sCurlThread = new LLCurlThread(multi_threaded) ; + if(multi_threaded) + { + sHandleMutexp = new LLMutex(NULL) ; + Easy::sHandleMutexp = new LLMutex(NULL) ; + } } void LLCurl::cleanupClass() { + sNotQuitting = false; //set quitting + //shut down curl thread while(1) { @@ -1314,14 +1495,85 @@ void LLCurl::cleanupClass() for (std::set<CURL*>::iterator iter = Easy::sFreeHandles.begin(); iter != Easy::sFreeHandles.end(); ++iter) { CURL* curl = *iter; - curl_easy_cleanup(curl); + LLCurl::deleteEasyHandle(curl); } Easy::sFreeHandles.clear(); + delete Easy::sHandleMutexp ; + Easy::sHandleMutexp = NULL ; + + delete sHandleMutexp ; + sHandleMutexp = NULL ; + llassert(Easy::sActiveHandles.empty()); } +//static +CURLM* LLCurl::newMultiHandle() +{ + LLMutexLock lock(sHandleMutexp) ; + + if(sTotalHandles + 1 > sMaxHandles) + { + llwarns << "no more handles available." << llendl ; + return NULL ; //failed + } + sTotalHandles++; + + CURLM* ret = curl_multi_init() ; + if(!ret) + { + llwarns << "curl_multi_init failed." << llendl ; + } + + return ret ; +} + +//static +CURLMcode LLCurl::deleteMultiHandle(CURLM* handle) +{ + if(handle) + { + LLMutexLock lock(sHandleMutexp) ; + sTotalHandles-- ; + return curl_multi_cleanup(handle) ; + } + return CURLM_OK ; +} + +//static +CURL* LLCurl::newEasyHandle() +{ + LLMutexLock lock(sHandleMutexp) ; + + if(sTotalHandles + 1 > sMaxHandles) + { + llwarns << "no more handles available." << llendl ; + return NULL ; //failed + } + sTotalHandles++; + + CURL* ret = curl_easy_init() ; + if(!ret) + { + llwarns << "curl_easy_init failed." << llendl ; + } + + return ret ; +} + +//static +void LLCurl::deleteEasyHandle(CURL* handle) +{ + if(handle) + { + LLMutexLock lock(sHandleMutexp) ; + curl_easy_cleanup(handle) ; + sTotalHandles-- ; + } +} + const unsigned int LLCurl::MAX_REDIRECTS = 5; // Provide access to LLCurl free functions outside of llcurl.cpp without polluting the global namespace. |