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/**
** \file Ipv6Address.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 "Ipv6Address.h"
#ifdef ENABLE_IPV6
#include "Utility.h"
#include "Parse.h"
#ifndef _WIN32
#include <netdb.h>
#endif
#ifdef IPPROTO_IPV6
#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE {
#endif
Ipv6Address::Ipv6Address(port_t port) : m_valid(true)
{
memset(&m_addr, 0, sizeof(m_addr));
m_addr.sin6_family = AF_INET6;
m_addr.sin6_port = htons( port );
}
Ipv6Address::Ipv6Address(struct in6_addr& a,port_t port) : m_valid(true)
{
memset(&m_addr, 0, sizeof(m_addr));
m_addr.sin6_family = AF_INET6;
m_addr.sin6_port = htons( port );
m_addr.sin6_addr = a;
}
Ipv6Address::Ipv6Address(const std::string& host,port_t port) : m_valid(false)
{
memset(&m_addr, 0, sizeof(m_addr));
m_addr.sin6_family = AF_INET6;
m_addr.sin6_port = htons( port );
{
struct in6_addr a;
if (Utility::u2ip(host, a))
{
m_addr.sin6_addr = a;
m_valid = true;
}
}
}
Ipv6Address::Ipv6Address(struct sockaddr_in6& sa)
{
m_addr = sa;
m_valid = sa.sin6_family == AF_INET6;
}
Ipv6Address::~Ipv6Address()
{
}
Ipv6Address::operator struct sockaddr *()
{
return (struct sockaddr *)&m_addr;
}
Ipv6Address::operator socklen_t()
{
return sizeof(struct sockaddr_in6);
}
void Ipv6Address::SetPort(port_t port)
{
m_addr.sin6_port = htons( port );
}
port_t Ipv6Address::GetPort()
{
return ntohs( m_addr.sin6_port );
}
bool Ipv6Address::Resolve(const std::string& hostname,struct in6_addr& a)
{
struct sockaddr_in6 sa;
memset(&a, 0, sizeof(a));
if (Utility::isipv6(hostname))
{
if (!Utility::u2ip(hostname, sa, AI_NUMERICHOST))
return false;
a = sa.sin6_addr;
return true;
}
if (!Utility::u2ip(hostname, sa))
return false;
a = sa.sin6_addr;
return true;
}
bool Ipv6Address::Reverse(struct in6_addr& a,std::string& name)
{
struct sockaddr_in6 sa;
memset(&sa, 0, sizeof(sa));
sa.sin6_family = AF_INET6;
sa.sin6_addr = a;
return Utility::reverse((struct sockaddr *)&sa, sizeof(sa), name);
}
std::string Ipv6Address::Convert(bool include_port)
{
if (include_port)
return Convert(m_addr.sin6_addr) + ":" + Utility::l2string(GetPort());
return Convert(m_addr.sin6_addr);
}
std::string Ipv6Address::Convert(struct in6_addr& a,bool mixed)
{
char slask[100]; // l2ip temporary
*slask = 0;
unsigned int prev = 0;
bool skipped = false;
bool ok_to_skip = true;
if (mixed)
{
unsigned short x;
unsigned short addr16[8];
memcpy(addr16, &a, sizeof(addr16));
for (size_t i = 0; i < 6; i++)
{
x = ntohs(addr16[i]);
if (*slask && (x || !ok_to_skip || prev))
strcat(slask,":");
if (x || !ok_to_skip)
{
sprintf(slask + strlen(slask),"%x", x);
if (x && skipped)
ok_to_skip = false;
}
else
{
skipped = true;
}
prev = x;
}
x = ntohs(addr16[6]);
sprintf(slask + strlen(slask),":%u.%u",x / 256,x & 255);
x = ntohs(addr16[7]);
sprintf(slask + strlen(slask),".%u.%u",x / 256,x & 255);
}
else
{
struct sockaddr_in6 sa;
memset(&sa, 0, sizeof(sa));
sa.sin6_family = AF_INET6;
sa.sin6_addr = a;
std::string name;
Utility::reverse((struct sockaddr *)&sa, sizeof(sa), name, NI_NUMERICHOST);
return name;
}
return slask;
}
void Ipv6Address::SetAddress(struct sockaddr *sa)
{
memcpy(&m_addr, sa, sizeof(struct sockaddr_in6));
}
int Ipv6Address::GetFamily()
{
return m_addr.sin6_family;
}
void Ipv6Address::SetFlowinfo(uint32_t x)
{
m_addr.sin6_flowinfo = x;
}
uint32_t Ipv6Address::GetFlowinfo()
{
return m_addr.sin6_flowinfo;
}
#ifndef _WIN32
void Ipv6Address::SetScopeId(uint32_t x)
{
m_addr.sin6_scope_id = x;
}
uint32_t Ipv6Address::GetScopeId()
{
return m_addr.sin6_scope_id;
}
#endif
bool Ipv6Address::IsValid()
{
return m_valid;
}
bool Ipv6Address::operator==(SocketAddress& a)
{
if (a.GetFamily() != GetFamily())
return false;
if ((socklen_t)a != sizeof(m_addr))
return false;
struct sockaddr *sa = a;
struct sockaddr_in6 *p = (struct sockaddr_in6 *)sa;
if (p -> sin6_port != m_addr.sin6_port)
return false;
if (memcmp(&p -> sin6_addr, &m_addr.sin6_addr, sizeof(struct in6_addr)))
return false;
return true;
}
std::auto_ptr<SocketAddress> Ipv6Address::GetCopy()
{
return std::auto_ptr<SocketAddress>(new Ipv6Address(m_addr));
}
std::string Ipv6Address::Reverse()
{
std::string tmp;
Reverse(m_addr.sin6_addr, tmp);
return tmp;
}
#ifdef SOCKETS_NAMESPACE
} // namespace SOCKETS_NAMESPACE {
#endif
#endif // IPPROTO_IPV6
#endif // ENABLE_IPV6
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