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(trunk libT) #2993 "'Downloaded' much greater than 'Have' or 'Verified'" -- tweak the new throttle code based on slow download feedback from gn0s1s in irc, from Rascal @ http://trac.transmissionbt.com/ticket/2993#comment:29, and from AGSystem @ http://forum.transmissionbt.com/viewtopic.php?p=45631&f=1#p45631

This commit is contained in:
Charles Kerr 2010-03-10 15:34:27 +00:00
parent 272364d324
commit 3aa3ec7d14
1 changed files with 30 additions and 3 deletions
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33
libtransmission/peer-mgr.c
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@ -2349,10 +2349,37 @@ rechokeDownloads( Torrent * t )
/* decide how many peers to be interested in */
{
const int blocks = tr_historyGet( t->tor->blocksSentToClient, now, msec );
const int cancels = tr_historyGet( t->tor->cancelsSentToPeer, now, msec );
int blocks = 0;
int cancels = 0;
if( !cancels && !t->interestedCount )
/* Count up how many blocks & cancels each peer has.
*
* There are two situations where we send out cancels --
*
* 1. We've got unresponsive peers, which is handled by deciding
* -which- peers to be interested in.
*
* 2. We've hit our bandwidth cap, which is handled by deciding
* -how many- peers to be interested in.
*
* We're working on 2. here, so we need to ignore unresponsive
* peers in our calculations lest they confuse Transmission into
* think it's hit its bandwidth cap.
*/
for( i=0; i<peerCount; ++i )
{
const tr_peer * peer = tr_ptrArrayNth( &t->peers, i );
const int b = tr_historyGet( peer->blocksSentToClient, now, msec );
const int c = tr_historyGet( peer->cancelsSentToPeer, now, msec );
if( b == 0 ) /* ignore unresponsive peers, as described above */
continue;
blocks += b;
cancels += c;
}
if( !t->interestedCount )
{
/* this is the torrent's first time to call this function...
* start off optimistically by allowing interest in many peers */