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Diffstat (limited to 'indra/newview/llcoproceduremanager.cpp')
| -rw-r--r-- | indra/newview/llcoproceduremanager.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/indra/newview/llcoproceduremanager.cpp b/indra/newview/llcoproceduremanager.cpp new file mode 100644 index 0000000000..3ecb323cab --- /dev/null +++ b/indra/newview/llcoproceduremanager.cpp @@ -0,0 +1,176 @@ +/** +* @file llcoproceduremanager.cpp +* @author Rider Linden +* @brief Singleton class for managing asset uploads to the sim. +* +* $LicenseInfo:firstyear=2015&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2015, 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 "linden_common.h" + +#include "llviewercontrol.h" + +#include "llcoproceduremanager.h" + +//========================================================================= +#define COROCOUNT 1 + +//========================================================================= +LLCoprocedureManager::LLCoprocedureManager(): + LLSingleton<LLCoprocedureManager>(), + mPendingCoprocs(), + mShutdown(false), + mWakeupTrigger("CoprocedureManager", true), + mCoroMapping(), + mHTTPPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID) +{ + + // *TODO: Retrieve the actual number of concurrent coroutines fro gSavedSettings and + // clamp to a "reasonable" number. + for (int count = 0; count < COROCOUNT; ++count) + { + LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t httpAdapter = + LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t( + new LLCoreHttpUtil::HttpCoroutineAdapter("uploadPostAdapter", mHTTPPolicy)); + + std::string uploadCoro = LLCoros::instance().launch("LLCoprocedureManager::coprocedureInvokerCoro", + boost::bind(&LLCoprocedureManager::coprocedureInvokerCoro, this, _1, httpAdapter)); + + mCoroMapping.insert(CoroAdapterMap_t::value_type(uploadCoro, httpAdapter)); + } + + mWakeupTrigger.post(LLSD()); +} + +LLCoprocedureManager::~LLCoprocedureManager() +{ + shutdown(); +} + +//========================================================================= + +void LLCoprocedureManager::shutdown(bool hardShutdown) +{ + CoroAdapterMap_t::iterator it; + + for (it = mCoroMapping.begin(); it != mCoroMapping.end(); ++it) + { + if (!(*it).first.empty()) + { + if (hardShutdown) + { + LLCoros::instance().kill((*it).first); + } + } + if ((*it).second) + { + (*it).second->cancelYieldingOperation(); + } + } + + mShutdown = true; + mCoroMapping.clear(); + mPendingCoprocs.clear(); +} + +//========================================================================= +LLUUID LLCoprocedureManager::enqueueCoprocedure(const std::string &name, LLCoprocedureManager::CoProcedure_t proc) +{ + LLUUID id(LLUUID::generateNewID()); + + mPendingCoprocs.push_back(QueuedCoproc::ptr_t(new QueuedCoproc(name, id, proc))); + LL_INFOS() << "Coprocedure(" << name << ") enqueued with id=" << id.asString() << LL_ENDL; + + mWakeupTrigger.post(LLSD()); + + return id; +} + +void LLCoprocedureManager::cancelCoprocedure(const LLUUID &id) +{ + // first check the active coroutines. If there, remove it and return. + ActiveCoproc_t::iterator itActive = mActiveCoprocs.find(id); + if (itActive != mActiveCoprocs.end()) + { + LL_INFOS() << "Found and canceling active coprocedure with id=" << id.asString() << LL_ENDL; + (*itActive).second->cancelYieldingOperation(); + mActiveCoprocs.erase(itActive); + return; + } + + for (CoprocQueue_t::iterator it = mPendingCoprocs.begin(); it != mPendingCoprocs.end(); ++it) + { + if ((*it)->mId == id) + { + LL_INFOS() << "Found and removing queued coroutine(" << (*it)->mName << ") with Id=" << id.asString() << LL_ENDL; + mPendingCoprocs.erase(it); + return; + } + } + + LL_INFOS() << "Coprocedure with Id=" << id.asString() << " was not found." << LL_ENDL; +} + +//========================================================================= +void LLCoprocedureManager::coprocedureInvokerCoro(LLCoros::self& self, LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t httpAdapter) +{ + LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest); + + while (!mShutdown) + { + waitForEventOn(self, mWakeupTrigger); + if (mShutdown) + break; + + while (!mPendingCoprocs.empty()) + { + QueuedCoproc::ptr_t coproc = mPendingCoprocs.front(); + mPendingCoprocs.pop_front(); + mActiveCoprocs.insert(ActiveCoproc_t::value_type(coproc->mId, httpAdapter)); + + LL_INFOS() << "Dequeued and invoking coprocedure(" << coproc->mName << ") with id=" << coproc->mId.asString() << LL_ENDL; + + try + { + coproc->mProc(self, httpAdapter, coproc->mId); + } + catch (std::exception &e) + { + LL_WARNS() << "Coprocedure(" << coproc->mName << ") id=" << coproc->mId.asString() << + " threw an exception! Message=\"" << e.what() << "\"" << LL_ENDL; + } + catch (...) + { + LL_WARNS() << "A non std::exception was thrown from " << coproc->mName << " with id=" << coproc->mId << "." << LL_ENDL; + } + + LL_INFOS() << "Finished coprocedure(" << coproc->mName << ")" << LL_ENDL; + + ActiveCoproc_t::iterator itActive = mActiveCoprocs.find(coproc->mId); + if (itActive != mActiveCoprocs.end()) + { + mActiveCoprocs.erase(itActive); + } + } + } +} |