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(trunk libT) optimization for ocelot.

When seeding on a private tracker, ocelot omits other seeds from the list of peers returned. We can test for this and update our "seed probability" field accordingly.
This commit is contained in:
Jordan Lee 2011-03-11 04:57:53 +00:00
parent b46d3a2713
commit ef5bb89e91

View file

@ -488,8 +488,16 @@ publishError( tr_tier * tier, const char * msg )
} }
static int8_t static int8_t
getSeedProbability( int seeds, int leechers ) getSeedProbability( tr_tier * tier, int seeds, int leechers, int pex_count )
{ {
/* special case optimization:
ocelot omits seeds from peer lists sent to seeds on private trackers.
so check for that case... */
if( ( leechers == pex_count ) && tr_torrentIsPrivate( tier->tor )
&& tr_torrentIsSeed( tier->tor )
&& ( seeds + leechers < NUMWANT ) )
return 0;
if( !seeds ) if( !seeds )
return 0; return 0;
@ -504,12 +512,13 @@ publishPeersPex( tr_tier * tier, int seeds, int leechers,
const tr_pex * pex, int n ) const tr_pex * pex, int n )
{ {
tr_tracker_event e = TRACKER_EVENT_INIT; tr_tracker_event e = TRACKER_EVENT_INIT;
e.messageType = TR_TRACKER_PEERS; e.messageType = TR_TRACKER_PEERS;
e.seedProbability = getSeedProbability( seeds, leechers ); e.seedProbability = getSeedProbability( tier, seeds, leechers, n );
e.pex = pex; e.pex = pex;
e.pexCount = n; e.pexCount = n;
dbgmsg( tier, "got %d peers; seed probability %d", n, (int)e.seedProbability );
if( tier->tor->tiers->callback != NULL ) if( tier->tor->tiers->callback != NULL )
tier->tor->tiers->callback( tier->tor, &e, NULL ); tier->tor->tiers->callback( tier->tor, &e, NULL );
} }