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improved network interface enumeration and upnp device filtering

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This commit is contained in:
Arvid Norberg
2008-01-11 06:49:37 +00:00
parent b5dedccb70
commit 72edfc2ee7
7 changed files with 131 additions and 66 deletions
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18
src/broadcast_socket.cpp
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@@ -79,12 +79,12 @@ namespace libtorrent
{
// 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);
std::vector<ip_interface> const& interfaces = enum_net_interfaces(ios, ec);
address ret = address_v4::any();
for (std::vector<address>::const_iterator i = interfaces.begin()
for (std::vector<ip_interface>::const_iterator i = interfaces.begin()
, end(interfaces.end()); i != end; ++i)
{
address const& a = *i;
address const& a = i->interface_address;
if (is_loopback(a)
|| is_multicast(a)
|| is_any(a)) continue;
@@ -111,28 +111,28 @@ namespace libtorrent
using namespace asio::ip::multicast;
asio::error_code ec;
std::vector<address> interfaces = enum_net_interfaces(ios, ec);
std::vector<ip_interface> interfaces = enum_net_interfaces(ios, ec);
if (multicast_endpoint.address().is_v4())
open_multicast_socket(ios, address_v4::any(), loopback);
else
open_multicast_socket(ios, address_v6::any(), loopback);
for (std::vector<address>::const_iterator i = interfaces.begin()
for (std::vector<ip_interface>::const_iterator i = interfaces.begin()
, end(interfaces.end()); i != end; ++i)
{
// only broadcast to IPv4 addresses that are not local
if (!is_local(*i)) continue;
if (!is_local(i->interface_address)) continue;
// only multicast on compatible networks
if (i->is_v4() != multicast_endpoint.address().is_v4()) continue;
if (i->interface_address.is_v4() != multicast_endpoint.address().is_v4()) continue;
// ignore any loopback interface
if (is_loopback(*i)) continue;
if (is_loopback(i->interface_address)) continue;
#ifndef NDEBUG
// std::cerr << "broadcast socket [ if: " << i->to_v4().to_string()
// << " group: " << multicast_endpoint.address() << " ]" << std::endl;
#endif
open_unicast_socket(ios, *i);
open_unicast_socket(ios, i->interface_address);
}
}