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/**
** \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 <cstring>
#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
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