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send buffer heap optimization

This commit is contained in:
Arvid Norberg 2007-05-10 06:20:29 +00:00
parent e6c7945aac
commit 57439bcec8
1 changed files with 11 additions and 4 deletions
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15
src/peer_connection.cpp
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@ -1855,8 +1855,15 @@ namespace libtorrent
// only add new piece-chunks if the send buffer is small enough
// otherwise there will be no end to how large it will be!
// TODO: the buffer size should probably be dependent on the transfer speed
int blocks_per_second = m_statistics.upload_rate() / t->block_size();
if (blocks_per_second == 0) blocks_per_second = 1;
else if (blocks_per_second > 12) blocks_per_second = 12;
int buffer_size_watermark = t->block_size() * blocks_per_second / 2;
while (!m_requests.empty()
&& (send_buffer_size() < t->block_size() * 6)
&& (send_buffer_size() < buffer_size_watermark)
&& !m_choked)
{
assert(t->valid_metadata());
@ -1871,9 +1878,9 @@ namespace libtorrent
write_piece(r);
#ifdef TORRENT_VERBOSE_LOGGING
(*m_logger) << time_now_string()
<< " ==> PIECE [ piece: " << r.piece << " | s: " << r.start
<< " | l: " << r.length << " ]\n";
(*m_logger) << time_now_string()
<< " ==> PIECE [ piece: " << r.piece << " | s: " << r.start
<< " | l: " << r.length << " ]\n";
#endif
m_requests.erase(m_requests.begin());