98 lines
2.9 KiB
C++
98 lines
2.9 KiB
C++
/**
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* @file lluseroperation.h
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* @brief LLUserOperation class header file - used for message based
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* transaction. For example, L$ transactions.
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*
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* $LicenseInfo:firstyear=2002&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLUSEROPERATION_H
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#define LL_LLUSEROPERATION_H
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#include "lluuid.h"
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#include "llframetimer.h"
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#include <map>
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class LLUserOperation
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{
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public:
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LLUserOperation(const LLUUID& agent_id);
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LLUserOperation(const LLUUID& agent_id, const LLUUID& transaction_id);
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virtual ~LLUserOperation();
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const LLUUID& getTransactionID() const { return mTransactionID; }
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const LLUUID& getAgentID() const { return mAgentID; }
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// Operation never got necessary data, so expired
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virtual BOOL isExpired();
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// ability to mark this operation as never expiring.
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void SetNoExpireFlag(const BOOL flag);
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// Send request to the dataserver
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virtual void sendRequest() = 0;
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// Run the operation. This will only be called in the case of an
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// actual success or failure of the operation.
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virtual BOOL execute(BOOL transaction_success) = 0;
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// This method is called when the user op has expired, and is
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// about to be deleted by the manager. This gives the user op the
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// ability to nack someone when the user op is never evaluated
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virtual void expire();
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protected:
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LLUserOperation();
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protected:
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LLUUID mAgentID;
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LLUUID mTransactionID;
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LLFrameTimer mTimer;
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BOOL mNoExpire; // this is used for operations that expect an answer and will wait till it gets one.
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};
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class LLUserOperationMgr
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{
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public:
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LLUserOperationMgr();
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~LLUserOperationMgr();
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void addOperation(LLUserOperation* op);
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LLUserOperation* findOperation(const LLUUID& transaction_id);
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BOOL deleteOperation(LLUserOperation* op);
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// Call this method every once in a while to clean up old
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// transactions.
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void deleteExpiredOperations();
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private:
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typedef std::map<LLUUID, LLUserOperation*> user_operation_list_t;
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user_operation_list_t mUserOperationList;
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LLUUID mLastOperationConsidered;
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};
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extern LLUserOperationMgr* gUserOperationMgr;
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#endif // LL_LLUSEROPERATION_H
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