barrier/net/CSocketInputStream.h

43 lines
950 B
C++

#ifndef CSOCKETINPUTSTREAM_H
#define CSOCKETINPUTSTREAM_H
#include "CSocketStreamBuffer.h"
#include "CCondVar.h"
#include "IInputStream.h"
class CMutex;
class IJob;
class CSocketInputStream : public IInputStream {
public:
CSocketInputStream(CMutex*, IJob* adoptedCloseCB);
~CSocketInputStream();
// manipulators
// write() appends n bytes to the buffer
void write(const void*, UInt32 n) throw();
// causes read() to always return immediately. if there is no
// more data then it returns 0. further writes are discarded.
void hangup() throw();
// accessors
// IInputStream overrides
// these all lock the mutex for their duration
virtual void close() throw(XIO);
virtual UInt32 read(void*, UInt32 count) throw(XIO);
virtual UInt32 getSize() const throw();
private:
CMutex* m_mutex;
CCondVar<bool> m_empty;
IJob* m_closeCB;
CSocketStreamBuffer m_buffer;
bool m_closed;
bool m_hungup;
};
#endif