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[anytun.git] / Sockets / Ipv4Address.h
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1 /**
2 ** \file Ipv4Address.h
3 ** \date 2006-09-21
4 ** \author grymse@alhem.net
5 **/
6 /*
7 Copyright (C) 2007 Anders Hedstrom
9 This program is free software; you can redistribute it and/or
10 modify it under the terms of the GNU General Public License
11 as published by the Free Software Foundation; either version 2
12 of the License, or (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #ifndef _SOCKETS_Ipv4Address_H
24 #define _SOCKETS_Ipv4Address_H
26 #include "sockets-config.h"
27 #include "SocketAddress.h"
30 #ifdef SOCKETS_NAMESPACE
31 namespace SOCKETS_NAMESPACE {
32 #endif
35 /* Ipv4 address implementation.
36 \ingroup basic */
37 class Ipv4Address : public SocketAddress
39 public:
40 /** Create empty Ipv4 address structure.
41 \param port Port number */
42 Ipv4Address(port_t port = 0);
43 /** Create Ipv4 address structure.
44 \param a Socket address in network byte order (as returned by Utility::u2ip)
45 \param port Port number in host byte order */
46 Ipv4Address(ipaddr_t a,port_t port);
47 /** Create Ipv4 address structure.
48 \param a Socket address in network byte order
49 \param port Port number in host byte order */
50 Ipv4Address(struct in_addr& a,port_t port);
51 /** Create Ipv4 address structure.
52 \param host Hostname to be resolved
53 \param port Port number in host byte order */
54 Ipv4Address(const std::string& host,port_t port);
55 Ipv4Address(struct sockaddr_in&);
56 ~Ipv4Address();
58 // SocketAddress implementation
60 operator struct sockaddr *();
61 operator socklen_t();
62 bool operator==(SocketAddress&);
64 void SetPort(port_t port);
65 port_t GetPort();
67 void SetAddress(struct sockaddr *sa);
68 int GetFamily();
70 bool IsValid();
71 std::auto_ptr<SocketAddress> GetCopy();
73 /** Convert address struct to text. */
74 std::string Convert(bool include_port = false);
75 std::string Reverse();
77 /** Resolve hostname. */
78 static bool Resolve(const std::string& hostname,struct in_addr& a);
79 /** Reverse resolve (IP to hostname). */
80 static bool Reverse(struct in_addr& a,std::string& name);
81 /** Convert address struct to text. */
82 static std::string Convert(struct in_addr& a);
84 private:
85 Ipv4Address(const Ipv4Address& ) {} // copy constructor
86 Ipv4Address& operator=(const Ipv4Address& ) { return *this; } // assignment operator
87 struct sockaddr_in m_addr;
88 bool m_valid;
94 #ifdef SOCKETS_NAMESPACE
95 } // namespace SOCKETS_NAMESPACE {
96 #endif
97 #endif // _SOCKETS_Ipv4Address_H