38 lines
876 B
C++
38 lines
876 B
C++
#ifndef CINPUTPACKETSTREAM_H
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#define CINPUTPACKETSTREAM_H
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#include "CInputStreamFilter.h"
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#include "CBufferedInputStream.h"
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#include "CMutex.h"
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//! Packetizing input stream filter
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/*!
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Filters an input stream to extract packet by packet.
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*/
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class CInputPacketStream : public CInputStreamFilter {
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public:
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CInputPacketStream(IInputStream*, bool adoptStream = true);
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~CInputPacketStream();
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// IInputStream overrides
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virtual void close();
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virtual UInt32 read(void*, UInt32 maxCount, double timeout);
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virtual UInt32 getSize() const;
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private:
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enum EResult { kData, kHungup, kTimedout };
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UInt32 getSizeNoLock() const;
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EResult waitForFullMessage(double timeout) const;
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EResult getMoreMessage(double timeout) const;
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bool hasFullMessage() const;
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private:
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CMutex m_mutex;
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mutable UInt32 m_size;
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mutable CBufferedInputStream m_buffer;
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};
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#endif
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