Sockets/Ipv4Address.h

   1 /**
   2  **     \file Ipv4Address.h
   3  **     \date  2006-09-21
   4  **     \author grymse@alhem.net
   5 **/
   6 /*
   7 Copyright (C) 2007  Anders Hedstrom
   8
   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.
  13
  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.
  18
  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.
  22 */
  23 #ifndef _SOCKETS_Ipv4Address_H
  24 #define _SOCKETS_Ipv4Address_H
  25
  26 #include "sockets-config.h"
  27 #include "SocketAddress.h"
  28
  29
  30 #ifdef SOCKETS_NAMESPACE
  31 namespace SOCKETS_NAMESPACE {
  32 #endif
  33
  34
  35 /* Ipv4 address implementation.
  36         \ingroup basic */
  37 class Ipv4Address : public SocketAddress
  38 {
  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();
  57
  58         // SocketAddress implementation
  59
  60         operator struct sockaddr *();
  61         operator socklen_t();
  62         bool operator==(SocketAddress&);
  63
  64         void SetPort(port_t port);
  65         port_t GetPort();
  66
  67         void SetAddress(struct sockaddr *sa);
  68         int GetFamily();
  69
  70         bool IsValid();
  71         std::auto_ptr<SocketAddress> GetCopy();
  72
  73         /** Convert address struct to text. */
  74         std::string Convert(bool include_port = false);
  75         std::string Reverse();
  76
  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);
  83
  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;
  89 };
  90
  91
  92
  93
  94 #ifdef SOCKETS_NAMESPACE
  95 } // namespace SOCKETS_NAMESPACE {
  96 #endif
  97 #endif // _SOCKETS_Ipv4Address_H
  98