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Implement pacing of reads. 

This should cause uTP sockets to respect read bandwidth limits.  I'm not so
sure about the values we return for the read buffer size -- perhaps we
should allow some slack for network latency?
This commit is contained in:
Juliusz Chroboczek 2011-02-18 00:36:09 +00:00
parent d347f5ada4
commit dae7db8e10
1 changed files with 14 additions and 3 deletions
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17
libtransmission/peer-io.c
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@ -408,10 +408,18 @@ static size_t
utp_get_rb_size(void *closure)
{
tr_peerIo *io = (tr_peerIo *)closure;
size_t bytes;
assert( tr_isPeerIo( io ) );
tr_ndbg( "UTP", "Get RB size" );
return 0;
if( io->read_enabled )
bytes =
tr_bandwidthClamp( &io->bandwidth, TR_DOWN, UTP_READ_BUFFER_SIZE );
else
bytes = 0;
tr_ndbg( "UTP", "Get RB size %ld", (long)bytes);
return UTP_READ_BUFFER_SIZE - bytes;
}
static void
@ -706,8 +714,11 @@ tr_peerIoSetEnabled( tr_peerIo * io,
if( dir == TR_UP )
io->write_enabled = isEnabled;
else if( dir == TR_DOWN )
else if( dir == TR_DOWN ) {
io->read_enabled = isEnabled;
if( io->utp_socket && isEnabled )
UTP_RBDrained(io->utp_socket);
}
}
/***