blob: 287c8e178f7ca6747ef64adb0a42b676edebefaa (
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
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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// FILE.h
//
// = AUTHOR
// Gerhard Lenzer
//
// ============================================================================
#ifndef ACE_FILE_H
#define ACE_FILE_H
#include "ace/IO_SAP.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/FILE_Addr.h"
// The following is necessary since many C++ compilers don't support
// typedef'd types inside of classes used as formal template
// arguments... ;-(. Luckily, using the C++ preprocessor I can hide
// most of this nastiness!
#if defined (ACE_HAS_TEMPLATE_TYPEDEFS)
#define ACE_FILE_CONNECTOR ACE_FILE_Connector
#define ACE_FILE_STREAM ACE_FILE_IO
#else /* TEMPLATES are broken (must be a cfront-based compiler...) */
#define ACE_FILE_CONNECTOR ACE_FILE_Connector, ACE_FILE_Addr
#define ACE_FILE_STREAM ACE_FILE_IO, ACE_FILE_Addr
#endif /* ACE_TEMPLATE_TYPEDEFS */
class ACE_Export ACE_FILE_Info
{
// = TITLE
// Abstracts basic OS FILE information.
public:
mode_t mode_;
// mode of file
nlink_t nlink_;
// no of links
off_t size_;
// size of file
};
class ACE_Export ACE_FILE : public ACE_IO_SAP
{
// = TITLE
// Defines the core methods of the <ACE_FILE> abstraction.
public:
int close (void);
// Close the <ACE_FILE> handle without removing the <ACE_FILE> from
// the file system.
int remove (void);
// Close and remove the <ACE_FILE> from the file system.
int unlink (void);
// Remove the <ACE_FILE> from the file system without closing the
// <ACE_FILE> handle.
int get_info (ACE_FILE_Info *finfo);
// Get information on this <ACE_FILE>.
int get_info (ACE_FILE_Info &finfo);
// Get information on this <ACE_FILE>.
int truncate (off_t length);
// Set filesize to length byte.
off_t seek (off_t offset,
int whence = SEEK_CUR);
// Sets the file pointer as follows:
// o If <whence> is <SEEK_SET>, the pointer is set to <offset>
// bytes.
//
// o If <whence> is <SEEK_CUR>, the pointer is set to its
// current location plus <offset>.
//
// o If <whence> is <SEEK_END>, the pointer is set to the size
// of the file plus offset.
off_t position (long offset, int startpos);
// Same as <seek>, but <position> is deprecated.
off_t tell (void);
// Return an offset for the file handle.
off_t position (void);
// Same as <tell>, but <position> is deprecated.
int disable (int signum) const ;
// Disable signal <signum>
// This is here to prevent Win32 from
// disabling SPIPE using socket calls
int get_local_addr (ACE_Addr &) const;
// Return the local endpoint address in the referenced <ACE_Addr>.
// Returns 0 if successful, else -1.
int get_remote_addr (ACE_Addr &) const;
// Return the same thing as <get_local_addr>.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
protected:
ACE_FILE (void);
// Ensure that this class is only created by the
// <ACE_FILE_Connector>.
ACE_FILE_Addr addr_;
// File we are "connected" with...
};
#if !defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/FILE.i"
#endif /* ACE_LACKS_INLINE_FUNCTIONS */
#endif /* ACE_FILE_H */
|
