56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
/* Copyright(C) 2007-2014 VoIP objects (voipobjects.com)
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "HL_Pointer.h"
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UsageCounter::UsageCounter()
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{}
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UsageCounter::~UsageCounter()
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{}
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int UsageCounter::obtain(int usageId)
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{
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Lock l(mGuard);
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UsageMap::iterator usageIter = mUsage.find(usageId);
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if (usageIter != mUsage.end())
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usageIter->second = usageIter->second + 1;
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else
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mUsage[usageId] = 1;
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return usageCount();
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}
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int UsageCounter::release(int usageId)
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{
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Lock l(mGuard);
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UsageMap::iterator usageIter = mUsage.find(usageId);
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if (usageIter == mUsage.end())
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return usageCount();
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usageIter->second = usageIter->second - 1;
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if (!usageIter->second)
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mUsage.erase(usageIter);
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return usageCount();
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}
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int UsageCounter::usageCount()
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{
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Lock l(mGuard);
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UsageMap::const_iterator usageIter;
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int result = 0;
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for (usageIter = mUsage.begin(); usageIter != mUsage.end(); usageIter++)
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result += usageIter->second;
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return result;
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}
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void UsageCounter::clear()
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{
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Lock l(mGuard);
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mUsage.clear();
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}
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