forked from pocoproject/poco
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathHTTPFixedLengthStream.h
More file actions
110 lines (81 loc) · 2.51 KB
/
HTTPFixedLengthStream.h
File metadata and controls
110 lines (81 loc) · 2.51 KB
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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
//
// HTTPFixedLengthStream.h
//
// Library: Net
// Package: HTTP
// Module: HTTPFixedLengthStream
//
// Definition of the HTTPFixedLengthStream class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Net_HTTPFixedLengthStream_INCLUDED
#define Net_HTTPFixedLengthStream_INCLUDED
#include "Poco/Net/Net.h"
#include "Poco/Net/HTTPBasicStreamBuf.h"
#include <cstddef>
#include <istream>
#include <ostream>
namespace Poco {
namespace Net {
class HTTPSession;
class Net_API HTTPFixedLengthStreamBuf: public HTTPBasicStreamBuf
/// This is the streambuf class used for reading and writing fixed-size
/// HTTP message bodies.
///
/// At most a given number of bytes are read or written.
{
public:
using openmode = HTTPBasicStreamBuf::openmode;
#if defined(POCO_HAVE_INT64)
using ContentLength = Poco::Int64;
#else
using ContentLength = std::streamsize;
#endif
HTTPFixedLengthStreamBuf(HTTPSession& session, ContentLength length, openmode mode);
~HTTPFixedLengthStreamBuf();
protected:
int readFromDevice(char* buffer, std::streamsize length);
int writeToDevice(const char* buffer, std::streamsize length);
private:
HTTPSession& _session;
ContentLength _length;
ContentLength _count;
};
class Net_API HTTPFixedLengthIOS: public virtual std::ios
/// The base class for HTTPFixedLengthInputStream.
{
public:
HTTPFixedLengthIOS(HTTPSession& session, HTTPFixedLengthStreamBuf::ContentLength length, HTTPFixedLengthStreamBuf::openmode mode);
~HTTPFixedLengthIOS();
HTTPFixedLengthStreamBuf* rdbuf();
protected:
HTTPFixedLengthStreamBuf _buf;
};
class Net_API HTTPFixedLengthInputStream: public HTTPFixedLengthIOS, public std::istream
/// This class is for internal use by HTTPSession only.
{
public:
HTTPFixedLengthInputStream(HTTPSession& session, HTTPFixedLengthStreamBuf::ContentLength length);
~HTTPFixedLengthInputStream();
void* operator new(std::size_t size);
void operator delete(void* ptr);
private:
static Poco::MemoryPool _pool;
};
class Net_API HTTPFixedLengthOutputStream: public HTTPFixedLengthIOS, public std::ostream
/// This class is for internal use by HTTPSession only.
{
public:
HTTPFixedLengthOutputStream(HTTPSession& session, HTTPFixedLengthStreamBuf::ContentLength length);
~HTTPFixedLengthOutputStream();
void* operator new(std::size_t size);
void operator delete(void* ptr);
private:
static Poco::MemoryPool _pool;
};
} } // namespace Poco::Net
#endif // Net_HTTPFixedLengthStream_INCLUDED