#pragma once
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class CMyCircularBuf
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{
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public:
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CMyCircularBuf();
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~CMyCircularBuf();
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CMyCircularBuf(int nCapicity);
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CCriticalSection m_critial1;
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int nmCapacity; //ÈÝÁ¿
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char * pBuffer;
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int WriteP;
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int ReadP;
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int nDataSize;
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bool bIsEmpty;
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bool bIsFull;
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public:
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int Alloc(int nCapicity);
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int GetCapicity();
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int GetNextWriteP(int nOffset);
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int GetNextReadP(int nOffset);
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int GetTailRoomSize();
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int GetTailDataSize();
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int GetLeftRoomSize();
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int GetDataSize();
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char * GetWriteBuffer(int * LeftRoomSize);
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int ReleaseWriteBuffer(int AddSize);
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char * GetReadBuffer(int * DataSize);
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int ReleaseReadBuffer(int DelSize);
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bool IsEmpty(){return bIsEmpty;}
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bool IsFull(){return bIsFull;}
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int PushIn(void * pData,int Size);
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int CopyData(void *pData,int Size);
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int DelData(int Size);
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int PopOut(void * pData,int Size);
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};
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