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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_BASE_H
#define WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_BASE_H
#include "typedefs.h"
#include "map_wrapper.h"
#include "voice_engine_defines.h"
namespace webrtc
{
class CriticalSectionWrapper;
class RWLockWrapper;
namespace voe
{
class ScopedChannel;
class Channel;
class ChannelManagerBase
{
protected:
bool CreateItem(int32_t& itemId);
void InsertItem(int32_t itemId, void* item);
void* RemoveItem(int32_t itemId);
void* GetItem(int32_t itemId) const;
void* GetFirstItem(void*& iterator) const ;
void* GetNextItem(void*& iterator) const;
void ReleaseItem();
void AddFreeItemId(int32_t itemId);
bool GetFreeItemId(int32_t& itemId);
void RemoveFreeItemIds();
void DestroyAllItems();
int32_t NumOfItems() const;
int32_t MaxNumOfItems() const;
void GetItemIds(int32_t* channelsArray,
int32_t& numOfChannels) const;
void GetChannels(MapWrapper& channels) const;
virtual void* NewItem(int32_t itemId) = 0;
virtual void DeleteItem(void* item) = 0;
ChannelManagerBase();
virtual ~ChannelManagerBase();
private:
// Protects _items and _freeItemIds
CriticalSectionWrapper* _itemsCritSectPtr;
MapWrapper _items;
bool _freeItemIds[kVoiceEngineMaxNumChannels];
// Protects channels from being destroyed while being used
RWLockWrapper* _itemsRWLockPtr;
};
} // namespace voe
} // namespace webrtc
#endif // WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_BASE_H
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