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fix to new NAGLE implementation

This commit is contained in:
Arvid Norberg 2012-06-26 03:41:04 +00:00
parent f2d9472842
commit aeea1cd2af
1 changed files with 5 additions and 8 deletions
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13
src/utp_stream.cpp
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@ -1788,11 +1788,11 @@ bool utp_socket_impl::send_pkt(bool ack)
#endif
m_sm->send_packet(udp::endpoint(m_remote_address, m_port)
, (char const*)h, p->size, ec
, use_as_probe ? utp_socket_manager::dont_fragment : 0);
, p->mtu_probe ? utp_socket_manager::dont_fragment : 0);
++m_out_packets;
if (ec == error::message_size && use_as_probe)
if (ec == error::message_size && p->mtu_probe)
{
m_mtu_ceiling = m_mtu - 1;
update_mtu_limits();
@ -1860,10 +1860,11 @@ bool utp_socket_impl::resend_packet(packet* p, bool fast_resend)
TORRENT_ASSERT(!m_error);
if (fast_resend
&& ((m_acked_seq_nr + 1) & ACK_MASK) == m_mtu_seq
if (((m_acked_seq_nr + 1) & ACK_MASK) == m_mtu_seq
&& m_mtu_seq != 0)
{
m_mtu_seq = 0;
p->mtu_probe = false;
// we got multiple acks for the packet before our probe, assume
// it was dropped because it was too big
m_mtu_ceiling = m_mtu - 1;
@ -3043,10 +3044,6 @@ void utp_socket_impl::tick(ptime const& now)
// TIMEOUT!
// set cwnd to 1 MSS
// the window went from less than one MSS to one MSS
// we can now sent messages again, the send window was opened
if ((m_cwnd >> 16) < m_mtu) window_opened = true;
if (m_bytes_in_flight == 0 && (m_cwnd >> 16) >= m_mtu)
{
// this is just a timeout because this direction of