address external_ip::external_address(address const& ip) const
{
address ext = m_vote_group[ip.is_v6()].external_address();
#if TORRENT_USE_IPV6
if (ip.is_v6() && ext == address_v4()) return address_v6();
#endif
return ext;
}
void ip_filter::add_rule(address first, address last, int flags)
{
if (first.is_v4())
{
assert(last.is_v4());
m_filter4.add_rule(first.to_v4(), last.to_v4(), flags);
}
else if (first.is_v6())
{
assert(last.is_v6());
m_filter6.add_rule(first.to_v6(), last.to_v6(), flags);
}
else
assert(false);
}
int ip_filter::access(address const& addr) const
{
if (addr.is_v4())
return m_filter4.access(addr.to_v4());
assert(addr.is_v6());
return m_filter6.access(addr.to_v6());
}
inline T address_cast(const address& addr,
typename enable_if<is_same<T, address_v6>::value>::type* = 0)
{
if (!addr.is_v6())
throw bad_address_cast();
return get_v6_helper(addr);
}
void ip_filter::add_rule(address first, address last, boost::uint32_t flags)
{
if (first.is_v4())
{
TORRENT_ASSERT(last.is_v4());
m_filter4.add_rule(first.to_v4().to_bytes(), last.to_v4().to_bytes(), flags);
}
#if TORRENT_USE_IPV6
else if (first.is_v6())
{
TORRENT_ASSERT(last.is_v6());
m_filter6.add_rule(first.to_v6().to_bytes(), last.to_v6().to_bytes(), flags);
}
#endif
else
TORRENT_ASSERT(false);
}
int ip_filter::access(address const& addr) const
{
if (addr.is_v4())
return m_filter4.access(addr.to_v4().to_bytes());
#if TORRENT_USE_IPV6
TORRENT_ASSERT(addr.is_v6());
return m_filter6.access(addr.to_v6().to_bytes());
#else
return 0;
#endif
}
bool in_subnet(address const& addr, ip_interface const& iface)
{
if (addr.is_v4() != iface.interface_address.is_v4()) return false;
// since netmasks seems unreliable for IPv6 interfaces
// (MacOS X returns AF_INET addresses as bitmasks) assume
// that any IPv6 address belongs to the subnet of any
// interface with an IPv6 address
if (addr.is_v6()) return true;
return (addr.to_v4().to_ulong() & iface.netmask.to_v4().to_ulong())
== (iface.interface_address.to_v4().to_ulong() & iface.netmask.to_v4().to_ulong());
}
void write_address(address const& a, OutIt& out)
{
if (a.is_v4())
{
write_uint32(a.to_v4().to_ulong(), out);
}
else if (a.is_v6())
{
address_v6::bytes_type bytes
= a.to_v6().to_bytes();
std::copy(bytes.begin(), bytes.end(), out);
}
}
std::string address_to_bytes(address const& a)
{
#if LIBED2K_USE_IPV6
if (a.is_v6())
{
address_v6::bytes_type b = a.to_v6().to_bytes();
return std::string((char*)&b[0], b.size());
}
else
#endif
{
address_v4::bytes_type b = a.to_v4().to_bytes();
return std::string((char*)&b[0], b.size());
}
}
void write_address(address const& a, OutIt&& out)
{
#if TORRENT_USE_IPV6
if (a.is_v4())
{
#endif
write_uint32(a.to_v4().to_ulong(), out);
#if TORRENT_USE_IPV6
}
else if (a.is_v6())
{
for (auto b : a.to_v6().to_bytes())
write_uint8(b, out);
}
#endif
}
void write_address(address const& a, OutIt& out)
{
#if TORRENT_USE_IPV6
if (a.is_v4())
{
#endif
write_uint32(a.to_v4().to_ulong(), out);
#if TORRENT_USE_IPV6
}
else if (a.is_v6())
{
address_v6::bytes_type bytes
= a.to_v6().to_bytes();
std::copy(bytes.begin(), bytes.end(), out);
}
#endif
}
void write_address(address const& a, OutIt& out)
{
#if TORRENT_USE_IPV6
if (a.is_v4())
{
#endif
write_uint32(a.to_v4().to_ulong(), out);
#if TORRENT_USE_IPV6
}
else if (a.is_v6())
{
typedef address_v6::bytes_type bytes_t;
bytes_t bytes = a.to_v6().to_bytes();
for (bytes_t::iterator i = bytes.begin()
, end(bytes.end()); i != end; ++i)
write_uint8(*i, out);
}
#endif
}
std::string ipport_to_string(address const& addr,int port)
{
error_code ec;
std::string straddr = addr.to_string(ec);
std::string ret;
ret.reserve(straddr.length()+10);
if (addr.is_v6())
{
ret += '[';
ret += straddr;
ret += ']';
ret += ':';
ret += boost::lexical_cast<std::string>(port);
}
else
{
ret += straddr;
ret += ':';
ret += boost::lexical_cast<std::string>(port);
}
return ret;
}
bool external_ip::cast_vote(address const& ip, int source_type, address const& source)
{
return m_vote_group[ip.is_v6()].cast_vote(ip, source_type, source);
}
