blob: 36e9a4d359837896e197edc4ebd8226f2e3b2edd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// --------------------------------------------------------------------------
//
// File
// Name: SelfFlushingStream.h
// Purpose: A stream wrapper that always flushes the underlying
// stream, to ensure protocol safety.
// Created: 2008/08/20
//
// --------------------------------------------------------------------------
#ifndef SELFFLUSHINGSTREAM__H
#define SELFFLUSHINGSTREAM__H
#include "IOStream.h"
// --------------------------------------------------------------------------
//
// Class
// Name: SelfFlushingStream
// Purpose: A stream wrapper that always flushes the underlying
// stream, to ensure protocol safety.
// Created: 2008/08/20
//
// --------------------------------------------------------------------------
class SelfFlushingStream : public IOStream
{
public:
SelfFlushingStream(IOStream &rSource)
: mrSource(rSource) { }
SelfFlushingStream(const SelfFlushingStream &rToCopy)
: mrSource(rToCopy.mrSource) { }
~SelfFlushingStream()
{
Flush();
}
private:
// no copying from IOStream allowed
SelfFlushingStream(const IOStream& rToCopy);
public:
virtual int Read(void *pBuffer, int NBytes,
int Timeout = IOStream::TimeOutInfinite)
{
return mrSource.Read(pBuffer, NBytes, Timeout);
}
virtual pos_type BytesLeftToRead()
{
return mrSource.BytesLeftToRead();
}
virtual void Write(const void *pBuffer, int NBytes)
{
mrSource.Write(pBuffer, NBytes);
}
virtual bool StreamDataLeft()
{
return mrSource.StreamDataLeft();
}
virtual bool StreamClosed()
{
return mrSource.StreamClosed();
}
private:
IOStream &mrSource;
};
#endif // SELFFLUSHINGSTREAM__H
|