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fix to allow hostnames for peers in tracker responses

This commit is contained in:
Arvid Norberg 2007-03-07 18:50:38 +00:00
parent bf3526f71a
commit 6f0a0beadb
3 changed files with 51 additions and 10 deletions
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3
docs/manual.rst
View File

@ -1471,7 +1471,8 @@ use_interface()
``use_interface()`` sets the network interface this torrent will use when it opens outgoing
connections. By default, it uses the same interface as the session_ uses to listen on. The
parameter can be a string containing an ip-address or a hostname.
parameter must be a string containing an ip-address (either an IPv4 or IPv6 address). If
the string does not conform to this format and exception is thrown.
info_hash()

7
include/libtorrent/torrent.hpp
View File

@ -365,7 +365,12 @@ namespace libtorrent
void completed();
// this is the asio callback that is called when a name
// lookup for a web seed is completed.
// lookup for a PEER is completed.
void on_peer_name_lookup(asio::error_code const& e, tcp::resolver::iterator i
, peer_id pid);
// this is the asio callback that is called when a name
// lookup for a WEB SEED is completed.
void on_name_lookup(asio::error_code const& e, tcp::resolver::iterator i
, std::string url, tcp::endpoint proxy);

53
src/torrent.cpp
View File

@ -592,17 +592,29 @@ namespace libtorrent
if (i->pid == m_ses.get_peer_id())
continue;
tcp::endpoint a(address::from_string(i->ip), i->port);
if (m_ses.m_ip_filter.access(a.address()) & ip_filter::blocked)
try
{
#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
debug_log("blocked ip from tracker: " + i->ip);
#endif
continue;
}
tcp::endpoint a(address::from_string(i->ip), i->port);
m_policy->peer_from_tracker(a, i->pid);
if (m_ses.m_ip_filter.access(a.address()) & ip_filter::blocked)
{
#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
debug_log("blocked ip from tracker: " + i->ip);
#endif
continue;
}
m_policy->peer_from_tracker(a, i->pid);
}
catch (std::exception&)
{
// assume this is because we got a hostname instead of
// an ip address from the tracker
tcp::resolver::query q(i->ip, boost::lexical_cast<std::string>(i->port));
m_host_resolver.async_resolve(q, m_ses.m_strand.wrap(
bind(&torrent::on_peer_name_lookup, shared_from_this(), _1, _2, i->pid)));
}
}
if (m_ses.m_alerts.should_post(alert::info))
@ -616,6 +628,29 @@ namespace libtorrent
m_got_tracker_response = true;
}
void torrent::on_peer_name_lookup(asio::error_code const& e, tcp::resolver::iterator host
, peer_id pid) try
{
session_impl::mutex_t::scoped_lock l(m_ses.m_mutex);
INVARIANT_CHECK;
if (e || host == tcp::resolver::iterator() ||
m_ses.is_aborted()) return;
if (m_ses.m_ip_filter.access(host->endpoint().address()) & ip_filter::blocked)
{
#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
debug_log("blocked ip from tracker: " + host->endpoint().address().to_string());
#endif
return;
}
m_policy->peer_from_tracker(*host, pid);
}
catch (std::exception&)
{}
size_type torrent::bytes_left() const
{
// if we don't have the metadata yet, we