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fix performance issue when receiving UDP packets (the udp tracker would not reject DHT packets immediately)

This commit is contained in:
arvidn 2015-07-17 18:48:20 -04:00
parent f85d62b601
commit 51dd174303
1 changed files with 6 additions and 1 deletions
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7
src/tracker_manager.cpp
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@ -328,7 +328,12 @@ namespace libtorrent
return false;
}
const char* ptr = buf + 4;
// the first word is the action, if it's not [0, 3]
// it's not a valid udp tracker response
const char* ptr = buf;
boost::uint32_t action = detail::read_uint32(ptr);
if (action > 3) return false;
boost::uint32_t transaction = detail::read_uint32(ptr);
udp_conns_t::iterator i = m_udp_conns.find(transaction);