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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/**
** \file Ipv4Address.cpp
** \date 2006-09-21
** \author grymse@alhem.net
**/
/*
Copyright (C) 2007 Anders Hedstrom
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "Ipv4Address.h"
#include "Utility.h"
#include "Parse.h"
#ifndef _WIN32
#include <netdb.h>
#endif
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE {
#endif
Ipv4Address::Ipv4Address(port_t port) : m_valid(true)
{
memset(&m_addr, 0, sizeof(m_addr));
m_addr.sin_family = AF_INET;
m_addr.sin_port = htons( port );
}
Ipv4Address::Ipv4Address(ipaddr_t a,port_t port) : m_valid(true)
{
memset(&m_addr, 0, sizeof(m_addr));
m_addr.sin_family = AF_INET;
m_addr.sin_port = htons( port );
memcpy(&m_addr.sin_addr, &a, sizeof(struct in_addr));
}
Ipv4Address::Ipv4Address(struct in_addr& a,port_t port) : m_valid(true)
{
memset(&m_addr, 0, sizeof(m_addr));
m_addr.sin_family = AF_INET;
m_addr.sin_port = htons( port );
m_addr.sin_addr = a;
}
Ipv4Address::Ipv4Address(const std::string& host,port_t port) : m_valid(false)
{
memset(&m_addr, 0, sizeof(m_addr));
m_addr.sin_family = AF_INET;
m_addr.sin_port = htons( port );
{
ipaddr_t a;
if (Utility::u2ip(host, a))
{
memcpy(&m_addr.sin_addr, &a, sizeof(struct in_addr));
m_valid = true;
}
}
}
Ipv4Address::Ipv4Address(struct sockaddr_in& sa)
{
m_addr = sa;
m_valid = sa.sin_family == AF_INET;
}
Ipv4Address::~Ipv4Address()
{
}
Ipv4Address::operator struct sockaddr *()
{
return (struct sockaddr *)&m_addr;
}
Ipv4Address::operator socklen_t()
{
return sizeof(struct sockaddr_in);
}
void Ipv4Address::SetPort(port_t port)
{
m_addr.sin_port = htons( port );
}
port_t Ipv4Address::GetPort()
{
return ntohs( m_addr.sin_port );
}
bool Ipv4Address::Resolve(const std::string& hostname,struct in_addr& a)
{
struct sockaddr_in sa;
memset(&a, 0, sizeof(a));
if (Utility::isipv4(hostname))
{
if (!Utility::u2ip(hostname, sa, AI_NUMERICHOST))
return false;
a = sa.sin_addr;
return true;
}
if (!Utility::u2ip(hostname, sa))
return false;
a = sa.sin_addr;
return true;
}
bool Ipv4Address::Reverse(struct in_addr& a,std::string& name)
{
struct sockaddr_in sa;
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr = a;
return Utility::reverse((struct sockaddr *)&sa, sizeof(sa), name);
}
std::string Ipv4Address::Convert(bool include_port)
{
if (include_port)
return Convert(m_addr.sin_addr) + ":" + Utility::l2string(GetPort());
return Convert(m_addr.sin_addr);
}
std::string Ipv4Address::Convert(struct in_addr& a)
{
struct sockaddr_in sa;
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr = a;
std::string name;
Utility::reverse((struct sockaddr *)&sa, sizeof(sa), name, NI_NUMERICHOST);
return name;
}
void Ipv4Address::SetAddress(struct sockaddr *sa)
{
memcpy(&m_addr, sa, sizeof(struct sockaddr_in));
}
int Ipv4Address::GetFamily()
{
return m_addr.sin_family;
}
bool Ipv4Address::IsValid()
{
return m_valid;
}
bool Ipv4Address::operator==(SocketAddress& a)
{
if (a.GetFamily() != GetFamily())
return false;
if ((socklen_t)a != sizeof(m_addr))
return false;
struct sockaddr *sa = a;
struct sockaddr_in *p = (struct sockaddr_in *)sa;
if (p -> sin_port != m_addr.sin_port)
return false;
if (memcmp(&p -> sin_addr, &m_addr.sin_addr, 4))
return false;
return true;
}
std::auto_ptr<SocketAddress> Ipv4Address::GetCopy()
{
return std::auto_ptr<SocketAddress>(new Ipv4Address(m_addr));
}
std::string Ipv4Address::Reverse()
{
std::string tmp;
Reverse(m_addr.sin_addr, tmp);
return tmp;
}
#ifdef SOCKETS_NAMESPACE
} // namespace SOCKETS_NAMESPACE {
#endif
|
