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Diffstat (limited to 'Sockets/Ipv6Address.cpp')
| -rw-r--r-- | Sockets/Ipv6Address.cpp | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/Sockets/Ipv6Address.cpp b/Sockets/Ipv6Address.cpp new file mode 100644 index 0000000..2e0f1e9 --- /dev/null +++ b/Sockets/Ipv6Address.cpp @@ -0,0 +1,270 @@ +/** + ** \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 + |