lliobuffer.h

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#ifndef LL_LLIOBUFFER_H
#define LL_LLIOBUFFER_H

#include "lliopipe.h"

class LLIOBuffer : public LLIOPipe
{
public:
        LLIOBuffer();
        virtual ~LLIOBuffer();

        U8* data() const;

        S64 size() const;

        U8* current() const;

        S64 bytesLeft() const;

        void clear();

        enum EHead
        {
                READ,
                WRITE
        };

        EStatus seek(EHead head, S64 delta);

public:
        /* @name LLIOPipe virtual implementations
         */
protected:
        virtual EStatus process_impl(
                const LLChannelDescriptors& channels,
                buffer_ptr_t& buffer,
                bool& eos,
                LLSD& context,
                LLPumpIO* pump);

protected:
        U8* mBuffer;
        S64 mBufferSize;
        U8* mReadHead;
        U8* mWriteHead;
};

#endif // LL_LLIOBUFFER_H

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