91 lines
2.0 KiB
C++
91 lines
2.0 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_BASE_H
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#define WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_BASE_H
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#include "typedefs.h"
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#include "map_wrapper.h"
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#include "voice_engine_defines.h"
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namespace webrtc
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{
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class CriticalSectionWrapper;
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class RWLockWrapper;
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namespace voe
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{
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class ScopedChannel;
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class Channel;
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class ChannelManagerBase
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{
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public:
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enum {KMaxNumberOfItems = kVoiceEngineMaxNumOfChannels};
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protected:
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bool CreateItem(WebRtc_Word32& itemId);
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void InsertItem(WebRtc_Word32 itemId, void* item);
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void* RemoveItem(WebRtc_Word32 itemId);
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void* GetItem(WebRtc_Word32 itemId) const;
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void* GetFirstItem(void*& iterator) const ;
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void* GetNextItem(void*& iterator) const;
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void ReleaseItem();
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void AddFreeItemId(WebRtc_Word32 itemId);
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bool GetFreeItemId(WebRtc_Word32& itemId);
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void RemoveFreeItemIds();
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void DestroyAllItems();
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WebRtc_Word32 NumOfItems() const;
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WebRtc_Word32 MaxNumOfItems() const;
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void GetItemIds(WebRtc_Word32* channelsArray,
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WebRtc_Word32& numOfChannels) const;
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void GetChannels(MapWrapper& channels) const;
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virtual void* NewItem(WebRtc_Word32 itemId) = 0;
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virtual void DeleteItem(void* item) = 0;
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ChannelManagerBase();
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virtual ~ChannelManagerBase();
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private:
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// Protects _items and _freeItemIds
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CriticalSectionWrapper* _itemsCritSectPtr;
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MapWrapper _items;
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bool _freeItemIds[KMaxNumberOfItems];
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// Protects channels from being destroyed while being used
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RWLockWrapper* _itemsRWLockPtr;
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};
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} // namespace voe
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} // namespace webrtc
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#endif // WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_BASE_H
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