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Diffstat (limited to 'indra/newview/llcoproceduremanager.h')
-rw-r--r-- | indra/newview/llcoproceduremanager.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/indra/newview/llcoproceduremanager.h b/indra/newview/llcoproceduremanager.h new file mode 100644 index 0000000000..8902b217c2 --- /dev/null +++ b/indra/newview/llcoproceduremanager.h @@ -0,0 +1,118 @@ +/** +* @file llupdloadmanager.h +* @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 +* $/LicenseInfo$ +*/ + +#ifndef LL_UPLOAD_MANAGER_H +#define LL_UPLOAD_MANAGER_H + +#include "lleventcoro.h" +#include "llcoros.h" +#include "llcorehttputil.h" +#include "lluuid.h" + +class LLCoprocedureManager : public LLSingleton < LLCoprocedureManager > +{ +public: + typedef boost::function<void(LLCoros::self &, LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t &, const LLUUID &id)> CoProcedure_t; + + virtual ~LLCoprocedureManager(); + + /// Places the coprocedure on the queue for processing. + /// + /// @param name Is used for debugging and should identify this coroutine. + /// @param proc Is a bound function to be executed + /// + /// @return This method returns a UUID that can be used later to cancel execution. + LLUUID enqueueCoprocedure(const std::string &name, CoProcedure_t proc); + + /// Cancel a coprocedure. If the coprocedure is already being actively executed + /// this method calls cancelYieldingOperation() on the associated HttpAdapter + /// If it has not yet been dequeued it is simply removed from the queue. + void cancelCoprocedure(const LLUUID &id); + + /// Requests a shutdown of the upload manager. Passing 'true' will perform + /// an immediate kill on the upload coroutine. + void shutdown(bool hardShutdown = false); + + /// Returns the number of coprocedures in the queue awaiting processing. + /// + inline size_t countPending() const + { + return mPendingCoprocs.size(); + } + + /// Returns the number of coprocedures actively being processed. + /// + inline size_t countActive() const + { + return mActiveCoprocs.size(); + } + + /// Returns the total number of coprocedures either queued or in active processing. + /// + inline size_t count() const + { + return countPending() + countActive(); + } + +protected: + LLCoprocedureManager(); + +private: + struct QueuedCoproc + { + typedef boost::shared_ptr<QueuedCoproc> ptr_t; + + QueuedCoproc(const std::string &name, const LLUUID &id, CoProcedure_t proc): + mName(name), + mId(id), + mProc(proc) + {} + + std::string mName; + LLUUID mId; + CoProcedure_t mProc; + }; + + typedef std::deque<QueuedCoproc::ptr_t> AssetQueue_t; + typedef std::map<LLUUID, LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t> ActiveCoproc_t; + + AssetQueue_t mPendingCoprocs; + ActiveCoproc_t mActiveCoprocs; + bool mShutdown; + LLEventStream mWakeupTrigger; + + + typedef std::map<std::string, LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t> CoroAdapterMap_t; + LLCore::HttpRequest::policy_t mHTTPPolicy; + + CoroAdapterMap_t mCoroMapping; + + void initializeManager(); + void coprocedureInvokerCoro(LLCoros::self& self, LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t httpAdapter); +}; + +#endif |