lluseroperation.h
上传用户:king477883
上传日期:2021-03-01
资源大小:9553k
文件大小:3k
- /**
- * @file lluseroperation.h
- * @brief LLUserOperation class header file - used for message based
- * transaction. For example, L$ transactions.
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLUSEROPERATION_H
- #define LL_LLUSEROPERATION_H
- #include "lluuid.h"
- #include "llframetimer.h"
- #include <map>
- class LLUserOperation
- {
- public:
- LLUserOperation(const LLUUID& agent_id);
- LLUserOperation(const LLUUID& agent_id, const LLUUID& transaction_id);
- virtual ~LLUserOperation();
- const LLUUID& getTransactionID() const { return mTransactionID; }
- const LLUUID& getAgentID() const { return mAgentID; }
- // Operation never got necessary data, so expired
- virtual BOOL isExpired();
- // ability to mark this operation as never expiring.
- void SetNoExpireFlag(const BOOL flag);
- // Send request to the dataserver
- virtual void sendRequest() = 0;
- // Run the operation. This will only be called in the case of an
- // actual success or failure of the operation.
- virtual BOOL execute(BOOL transaction_success) = 0;
- // This method is called when the user op has expired, and is
- // about to be deleted by the manager. This gives the user op the
- // ability to nack someone when the user op is never evaluated
- virtual void expire();
- protected:
- LLUserOperation();
-
- protected:
- LLUUID mAgentID;
- LLUUID mTransactionID;
- LLFrameTimer mTimer;
- BOOL mNoExpire; // this is used for operations that expect an answer and will wait till it gets one.
- };
- class LLUserOperationMgr
- {
- public:
- LLUserOperationMgr();
- ~LLUserOperationMgr();
- void addOperation(LLUserOperation* op);
- LLUserOperation* findOperation(const LLUUID& transaction_id);
- BOOL deleteOperation(LLUserOperation* op);
- // Call this method every once in a while to clean up old
- // transactions.
- void deleteExpiredOperations();
-
- private:
- typedef std::map<LLUUID, LLUserOperation*> user_operation_list_t;
- user_operation_list_t mUserOperationList;
- LLUUID mLastOperationConsidered;
- };
- extern LLUserOperationMgr* gUserOperationMgr;
- #endif // LL_LLUSEROPERATION_H