46 lines
988 B
C++
46 lines
988 B
C++
#ifndef CBUFFEREDOUTPUTSTREAM_H
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#define CBUFFEREDOUTPUTSTREAM_H
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#include "CStreamBuffer.h"
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#include "IOutputStream.h"
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#include "CCondVar.h"
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class CMutex;
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class IJob;
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class CBufferedOutputStream : public IOutputStream {
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public:
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CBufferedOutputStream(CMutex*, IJob* adoptedCloseCB);
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~CBufferedOutputStream();
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// the caller is expected to lock the mutex before calling
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// methods unless otherwise noted.
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// manipulators
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// peek() returns a buffer of n bytes (which must be <= getSize()).
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// pop() discards the next n bytes.
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const void* peek(UInt32 n);
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void pop(UInt32 n);
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// accessors
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// return the number of bytes in the buffer
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UInt32 getSize() const;
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// IOutputStream overrides
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// these all lock the mutex for their duration
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virtual void close();
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virtual UInt32 write(const void*, UInt32 count);
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virtual void flush();
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private:
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CMutex* m_mutex;
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IJob* m_closeCB;
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CCondVar<bool> m_empty;
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CStreamBuffer m_buffer;
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bool m_closed;
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};
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#endif
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