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added router_for_interface along with a proper windows implementation. NAT-PMP support is now good on windows

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This commit is contained in:
Arvid Norberg
2007-10-01 17:21:19 +00:00
parent 6fd42631c0
commit 973e7be386
8 changed files with 120 additions and 31 deletions
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41
src/broadcast_socket.cpp
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@@ -51,23 +51,6 @@ namespace libtorrent
|| (ip & 0xffff0000) == 0xc0a80000);
}
address_v4 guess_local_address(asio::io_service& ios)
{
// make a best guess of the interface we're using and its IP
udp::resolver r(ios);
udp::resolver::iterator i = r.resolve(udp::resolver::query(asio::ip::host_name(), "0"));
for (;i != udp::resolver_iterator(); ++i)
{
address const& a = i->endpoint().address();
// ignore non-IPv4 addresses
if (!a.is_v4()) break;
// ignore the loopback
if (a.to_v4() == address_v4::loopback()) continue;
}
if (i == udp::resolver_iterator()) return address_v4::any();
return i->endpoint().address().to_v4();
}
bool is_loopback(address const& addr)
{
if (addr.is_v4())
@@ -92,6 +75,30 @@ namespace libtorrent
return addr.to_v6() == address_v6::any();
}
address guess_local_address(asio::io_service& ios)
{
// make a best guess of the interface we're using and its IP
asio::error_code ec;
std::vector<address> const& interfaces = enum_net_interfaces(ios, ec);
address ret = address_v4::any();
for (std::vector<address>::const_iterator i = interfaces.begin()
, end(interfaces.end()); i != end; ++i)
{
address const& a = *i;
if (is_loopback(a)
|| is_multicast(a)
|| is_any(a)) continue;
// prefer a v4 address, but return a v6 if
// there are no v4
if (a.is_v4()) return a;
if (ret != address_v4::any())
ret = a;
}
return ret;
}
broadcast_socket::broadcast_socket(asio::io_service& ios
, udp::endpoint const& multicast_endpoint
, receive_handler_t const& handler