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changed the optimistic disconnect logic to be more efficient and configurable

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This commit is contained in:
Arvid Norberg
2008-05-12 05:17:11 +00:00
parent eabe9cad2d
commit f2ac4db1af
7 changed files with 113 additions and 66 deletions
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28
src/session_impl.cpp
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@@ -1214,17 +1214,37 @@ namespace aux {
{
m_disconnect_time_scaler = 90;
// every 90 seconds, disconnect the worst peer
// every 90 seconds, disconnect the worst peers
// if we have reached the connection limit
if (num_connections() >= max_connections() && !m_torrents.empty())
if (num_connections() >= max_connections() * m_settings.peer_turnover_cutoff
&& !m_torrents.empty())
{
torrent_map::iterator i = std::max_element(m_torrents.begin(), m_torrents.end()
, bind(&torrent::num_peers, bind(&torrent_map::value_type::second, _1))
< bind(&torrent::num_peers, bind(&torrent_map::value_type::second, _2)));
TORRENT_ASSERT(i != m_torrents.end());
// TODO: make the number of peers a percentage of the number of connected peers
i->second->get_policy().disconnect_one_peer();
int peers_to_disconnect = (std::min)((std::max)(int(i->second->num_peers()
* m_settings.peer_turnover), 1)
, i->second->get_policy().num_connect_candidates());
i->second->disconnect_peers(peers_to_disconnect);
}
else
{
// if we haven't reached the global max. see if any torrent
// has reached its local limit
for (torrent_map::iterator i = m_torrents.begin()
, end(m_torrents.end()); i != end; ++i)
{
boost::shared_ptr<torrent> t = i->second;
if (t->num_peers() < t->max_connections() * m_settings.peer_turnover_cutoff)
continue;
int peers_to_disconnect = (std::min)((std::max)(int(i->second->num_peers()
* m_settings.peer_turnover), 1)
, i->second->get_policy().num_connect_candidates());
t->disconnect_peers(peers_to_disconnect);
}
}
}
}