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// OutMemStream.h
#ifndef ZIP7_INC_OUT_MEM_STREAM_H
#define ZIP7_INC_OUT_MEM_STREAM_H
#include "../../Common/MyCom.h"
#include "MemBlocks.h"
Z7_CLASS_IMP_NOQIB_1(
COutMemStream
, IOutStream
)
Z7_IFACE_COM7_IMP(ISequentialOutStream)
CMemBlockManagerMt *_memManager;
size_t _curBlockPos;
unsigned _curBlockIndex;
bool _realStreamMode;
bool _unlockEventWasSent;
NWindows::NSynchronization::CAutoResetEvent_WFMO StopWritingEvent;
NWindows::NSynchronization::CAutoResetEvent_WFMO WriteToRealStreamEvent;
// NWindows::NSynchronization::CAutoResetEvent NoLockEvent;
HRESULT StopWriteResult;
CMemLockBlocks Blocks;
CMyComPtr<ISequentialOutStream> OutSeqStream;
CMyComPtr<IOutStream> OutStream;
UInt64 GetPos() const { return (UInt64)_curBlockIndex * _memManager->GetBlockSize() + _curBlockPos; }
public:
HRes CreateEvents(SYNC_PARAM_DECL(synchro))
{
WRes wres = StopWritingEvent.CreateIfNotCreated_Reset(SYNC_WFMO(synchro));
if (wres == 0)
wres = WriteToRealStreamEvent.CreateIfNotCreated_Reset(SYNC_WFMO(synchro));
return HRESULT_FROM_WIN32(wres);
}
void SetOutStream(IOutStream *outStream)
{
OutStream = outStream;
OutSeqStream = outStream;
}
void SetSeqOutStream(ISequentialOutStream *outStream)
{
OutStream = NULL;
OutSeqStream = outStream;
}
void ReleaseOutStream()
{
OutStream.Release();
OutSeqStream.Release();
}
COutMemStream(CMemBlockManagerMt *memManager):
_memManager(memManager)
{
/*
#ifndef _WIN32
StopWritingEvent._sync =
WriteToRealStreamEvent._sync = &memManager->Synchro;
#endif
*/
}
~COutMemStream() { Free(); }
void Free();
void Init();
HRESULT WriteToRealStream();
void DetachData(CMemLockBlocks &blocks);
bool WasUnlockEventSent() const { return _unlockEventWasSent; }
void SetRealStreamMode()
{
_unlockEventWasSent = true;
WriteToRealStreamEvent.Set();
}
/*
void SetNoLockMode()
{
_unlockEventWasSent = true;
NoLockEvent.Set();
}
*/
void StopWriting(HRESULT res)
{
StopWriteResult = res;
StopWritingEvent.Set();
}
};
#endif
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