void tracker_manager::send(aux::listen_socket_handle const& sock
, udp::endpoint const& ep
, span<char const> p
, error_code& ec, udp_send_flags_t const flags)
{
TORRENT_ASSERT(is_single_thread());
m_send_fun(sock, ep, p, ec, flags);
}
bool dht_tracker::send_packet(entry& e, udp::endpoint const& addr)
{
static char const version_str[] = {'L', 'T'
, LIBTORRENT_VERSION_MAJOR, LIBTORRENT_VERSION_MINOR
};
e["v"] = std::string(version_str, version_str + 4);
m_send_buf.clear();
bencode(std::back_inserter(m_send_buf), e);
// update the quota. We won't prevent the packet to be sent if we exceed
// the quota, we'll just (potentially) block the next incoming request.
m_send_quota -= int(m_send_buf.size());
error_code ec;
m_send_fun(addr, m_send_buf, ec, 0);
if (ec)
{
m_counters.inc_stats_counter(counters::dht_messages_out_dropped);
#ifndef TORRENT_DISABLE_LOGGING
m_log->log_packet(dht_logger::outgoing_message, m_send_buf, addr);
#endif
return false;
}
m_counters.inc_stats_counter(counters::dht_bytes_out, m_send_buf.size());
// account for IP and UDP overhead
m_counters.inc_stats_counter(counters::sent_ip_overhead_bytes
, addr.address().is_v6() ? 48 : 28);
m_counters.inc_stats_counter(counters::dht_messages_out);
#ifndef TORRENT_DISABLE_LOGGING
m_log->log_packet(dht_logger::outgoing_message, m_send_buf, addr);
#endif
return true;
}
