lluseroperation.cpp
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- /**
- * @file lluseroperation.cpp
- * @brief LLUserOperation class definition.
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * 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.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "lluseroperation.h"
- ///----------------------------------------------------------------------------
- /// Local function declarations, constants, enums, and typedefs
- ///----------------------------------------------------------------------------
- LLUserOperationMgr* gUserOperationMgr = NULL;
- ///----------------------------------------------------------------------------
- /// Class LLUserOperation
- ///----------------------------------------------------------------------------
- LLUserOperation::LLUserOperation(const LLUUID& agent_id)
- : mAgentID(agent_id),
- mTimer(),
- mNoExpire(FALSE)
- {
- mTransactionID.generate();
- }
- LLUserOperation::LLUserOperation(const LLUUID& agent_id,
- const LLUUID& transaction_id) :
- mAgentID(agent_id),
- mTransactionID(transaction_id),
- mTimer(),
- mNoExpire(FALSE)
- {
- }
- // protected constructor which is used by base classes that determine
- // transaction, agent, et. after construction.
- LLUserOperation::LLUserOperation() :
- mTimer(),
- mNoExpire(FALSE)
- {
- }
- LLUserOperation::~LLUserOperation()
- {
- }
- void LLUserOperation::SetNoExpireFlag(const BOOL flag)
- {
- mNoExpire = flag;
- }
- BOOL LLUserOperation::isExpired()
- {
- if (!mNoExpire)
- {
- const F32 EXPIRE_TIME_SECS = 10.f;
- return mTimer.getElapsedTimeF32() > EXPIRE_TIME_SECS;
- }
- return FALSE;
- }
- void LLUserOperation::expire()
- {
- // by default, do do anything.
- }
- ///----------------------------------------------------------------------------
- /// Class LLUserOperationMgr
- ///----------------------------------------------------------------------------
- LLUserOperationMgr::LLUserOperationMgr()
- {
- }
- LLUserOperationMgr::~LLUserOperationMgr()
- {
- if (mUserOperationList.size() > 0)
- {
- llwarns << "Exiting with user operations pending." << llendl;
- }
- }
- void LLUserOperationMgr::addOperation(LLUserOperation* op)
- {
- if(!op)
- {
- llwarns << "Tried to add null op" << llendl;
- return;
- }
- LLUUID id = op->getTransactionID();
- llassert(mUserOperationList.count(id) == 0);
- mUserOperationList[id] = op;
- }
- LLUserOperation* LLUserOperationMgr::findOperation(const LLUUID& tid)
- {
- user_operation_list_t::iterator iter = mUserOperationList.find(tid);
- if (iter != mUserOperationList.end())
- return iter->second;
- else
- return NULL;
- }
- BOOL LLUserOperationMgr::deleteOperation(LLUserOperation* op)
- {
- size_t rv = 0;
- if(op)
- {
- LLUUID id = op->getTransactionID();
- rv = mUserOperationList.erase(id);
- delete op;
- op = NULL;
- }
- return rv ? TRUE : FALSE;
- }
- void LLUserOperationMgr::deleteExpiredOperations()
- {
- const S32 MAX_OPS_CONSIDERED = 2000;
- S32 ops_left = MAX_OPS_CONSIDERED;
- LLUserOperation* op = NULL;
- user_operation_list_t::iterator it;
- if(mLastOperationConsidered.isNull())
- {
- it = mUserOperationList.begin();
- }
- else
- {
- it = mUserOperationList.lower_bound(mLastOperationConsidered);
- }
- while((ops_left--) && (it != mUserOperationList.end()))
- {
- op = (*it).second;
- if(op && op->isExpired())
- {
- lldebugs << "expiring: " << (*it).first << llendl;
- op->expire();
- mUserOperationList.erase(it++);
- delete op;
- }
- else if(op)
- {
- ++it;
- }
- else
- {
- mUserOperationList.erase(it++);
- }
- }
- if(it != mUserOperationList.end())
- {
- mLastOperationConsidered = (*it).first;
- }
- else
- {
- mLastOperationConsidered.setNull();
- }
- }
- ///----------------------------------------------------------------------------
- /// Local function definitions
- ///----------------------------------------------------------------------------