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Toughens the criteria for banning, tries to make guesses about the peers two got banned for a few pieces because of someone else

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This commit is contained in:
Eric Petit 2006-05-13 17:28:54 +00:00
parent a006c25025
commit aeb4c6e208
1 changed files with 14 additions and 13 deletions
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27
libtransmission/peer.c
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@ -532,19 +532,12 @@ int tr_peerIsOptimistic( tr_peer_t * peer )
static inline int peerIsBad( tr_peer_t * peer )
{
if( peer->goodPcs >= 5 &&
peer->badPcs >= ( peer->goodPcs * 3 ) )
{
/* need poor success rate if we've successfully downloaded before */
return 1;
}
else if( peer->goodPcs < 5 &&
peer->badPcs >= ( 10 + peer->goodPcs ) )
{
/* need 10 more bad pieces than good before we discard peer */
return 1;
}
return 0;
return ( peer->badPcs > 4 + 2 * peer->goodPcs );
}
static inline int peerIsGood( tr_peer_t * peer )
{
return ( peer->goodPcs > 3 * peer->badPcs );
}
void tr_peerBlame( tr_torrent_t * tor, tr_peer_t * peer,
@ -558,11 +551,19 @@ void tr_peerBlame( tr_torrent_t * tor, tr_peer_t * peer,
if( success )
{
peer->goodPcs++;
if( peer->banfield && peerIsGood( peer ) )
{
/* Assume the peer wasn't responsible for the bad pieces
we was banned for */
memset( peer->banfield, 0x00, ( tor->info.pieceCount + 7 ) / 8 );
}
}
else
{
peer->badPcs++;
/* Ban the peer for this piece */
if( !peer->banfield )
{
peer->banfield = calloc( ( tor->info.pieceCount + 7 ) / 8, 1 );