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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*/
/** BEGIN COPYRIGHT BLOCK
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* Copyright (C) 2007 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifndef __CONNECTION_H
#define __CONNECTION_H
#ifdef HAVE_CONFIG_H
#ifndef AUTOTOOLS_CONFIG_H
#define AUTOTOOLS_CONFIG_H
/* Eliminate warnings when using Autotools */
#undef PACKAGE_BUGREPORT
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#include <config.h>
#endif /* AUTOTOOLS_CONFIG_H */
#endif /* HAVE_CONFIG_H */
/**
* Connection.h 1.000 06/12/2002
*
* Base class for all connection types. A user should extend this class
* and provide its protocol specific implementation
*
* @author Surendra Rajam
* @version 1.000, 06/12/2002
*/
class EXPORT_DECL Connection {
friend class ServerConnection;
public:
/**
* Constructor
*/
Connection();
/**
* Destructor
*/
virtual ~Connection();
public:
/**
* Initiates a connection to a specified host.
*
* @param host server host name
* @param port server port
* @return 0 on success, negative error code otherwise
*/
int Connect(const char* host, int port);
/**
* Reads specified number of bytes from the connection. The connection
* is locked for the period it is being read.
*
* @param buf buffer to read into
* @param size number of bytes to read
* @param timeout timeout before the read terminates
* @return number of bytes actually read
*/
int Read(void* buf, int size, long timeout);
/**
* Writes specified number of bytes to the connection. The connection
* is locked for the period it is being written.
*
* @param buf buffer to write from
* @param size number of bytes to write
* @param timeout timeout before the write terminates
* @return number of bytes actually written
*/
int Write(void* buf, int size, long timeout);
/**
* Gets the status of the connection
*
* @return true if closed, false otherwise
*/
bool IsClosed();
/**
* Closes the connection
*/
void Close();
protected:
Socket* m_socket;
private:
PRLock* m_lock;
bool m_closed;
};
#endif // __CONNECTION_H
|
