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Diffstat (limited to 'indra/newview/llappcorehttp.cpp')
| -rw-r--r-- | indra/newview/llappcorehttp.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/indra/newview/llappcorehttp.cpp b/indra/newview/llappcorehttp.cpp new file mode 100644 index 0000000000..e89c8d5ac2 --- /dev/null +++ b/indra/newview/llappcorehttp.cpp @@ -0,0 +1,186 @@ +/** + * @file llappcorehttp.cpp + * @brief + * + * $LicenseInfo:firstyear=2012&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "llviewerprecompiledheaders.h" + +#include "llappcorehttp.h" + +#include "llviewercontrol.h" + + +const F64 LLAppCoreHttp::MAX_THREAD_WAIT_TIME(10.0); + +LLAppCoreHttp::LLAppCoreHttp() + : mRequest(NULL), + mStopHandle(LLCORE_HTTP_HANDLE_INVALID), + mStopRequested(0.0), + mStopped(false), + mPolicyDefault(-1) +{} + + +LLAppCoreHttp::~LLAppCoreHttp() +{ + delete mRequest; + mRequest = NULL; +} + + +void LLAppCoreHttp::init() +{ + LLCore::HttpStatus status = LLCore::HttpRequest::createService(); + if (! status) + { + LL_ERRS("Init") << "Failed to initialize HTTP services. Reason: " + << status.toString() + << LL_ENDL; + } + + // Point to our certs or SSH/https: will fail on connect + status = LLCore::HttpRequest::setPolicyGlobalOption(LLCore::HttpRequest::GP_CA_FILE, + gDirUtilp->getCAFile()); + if (! status) + { + LL_ERRS("Init") << "Failed to set CA File for HTTP services. Reason: " + << status.toString() + << LL_ENDL; + } + + // Establish HTTP Proxy. "LLProxy" is a special string which directs + // the code to use LLProxy::applyProxySettings() to establish any + // HTTP or SOCKS proxy for http operations. + status = LLCore::HttpRequest::setPolicyGlobalOption(LLCore::HttpRequest::GP_LLPROXY, 1); + if (! status) + { + LL_ERRS("Init") << "Failed to set HTTP proxy for HTTP services. Reason: " + << status.toString() + << LL_ENDL; + } + + // Tracing levels for library & libcurl (note that 2 & 3 are beyond spammy): + // 0 - None + // 1 - Basic start, stop simple transitions + // 2 - libcurl CURLOPT_VERBOSE mode with brief lines + // 3 - with partial data content + status = LLCore::HttpRequest::setPolicyGlobalOption(LLCore::HttpRequest::GP_TRACE, 0); + + // Setup default policy and constrain if directed to + mPolicyDefault = LLCore::HttpRequest::DEFAULT_POLICY_ID; + static const std::string texture_concur("TextureFetchConcurrency"); + if (gSavedSettings.controlExists(texture_concur)) + { + U32 concur(llmin(gSavedSettings.getU32(texture_concur), U32(12))); + + if (concur > 0) + { + LLCore::HttpStatus status; + status = LLCore::HttpRequest::setPolicyClassOption(mPolicyDefault, + LLCore::HttpRequest::CP_CONNECTION_LIMIT, + concur); + if (! status) + { + LL_WARNS("Init") << "Unable to set texture fetch concurrency. Reason: " + << status.toString() + << LL_ENDL; + } + else + { + LL_INFOS("Init") << "Application settings overriding default texture fetch concurrency. New value: " + << concur + << LL_ENDL; + } + } + } + + // Kick the thread + status = LLCore::HttpRequest::startThread(); + if (! status) + { + LL_ERRS("Init") << "Failed to start HTTP servicing thread. Reason: " + << status.toString() + << LL_ENDL; + } + + mRequest = new LLCore::HttpRequest; +} + + +void LLAppCoreHttp::requestStop() +{ + llassert_always(mRequest); + + mStopHandle = mRequest->requestStopThread(this); + if (LLCORE_HTTP_HANDLE_INVALID != mStopHandle) + { + mStopRequested = LLTimer::getTotalSeconds(); + } +} + + +void LLAppCoreHttp::cleanup() +{ + if (LLCORE_HTTP_HANDLE_INVALID == mStopHandle) + { + // Should have been started already... + requestStop(); + } + + if (LLCORE_HTTP_HANDLE_INVALID == mStopHandle) + { + LL_WARNS("Cleanup") << "Attempting to cleanup HTTP services without thread shutdown" + << LL_ENDL; + } + else + { + while (! mStopped && LLTimer::getTotalSeconds() < (mStopRequested + MAX_THREAD_WAIT_TIME)) + { + mRequest->update(200000); + ms_sleep(50); + } + if (! mStopped) + { + LL_WARNS("Cleanup") << "Attempting to cleanup HTTP services with thread shutdown incomplete" + << LL_ENDL; + } + } + + delete mRequest; + mRequest = NULL; + + LLCore::HttpStatus status = LLCore::HttpRequest::destroyService(); + if (! status) + { + LL_WARNS("Cleanup") << "Failed to shutdown HTTP services, continuing. Reason: " + << status.toString() + << LL_ENDL; + } +} + + +void LLAppCoreHttp::onCompleted(LLCore::HttpHandle, LLCore::HttpResponse *) +{ + mStopped = true; +} |