/* Returns amount of removed peers */
static ssize_t clean_single_bucket( ot_peer *peers, size_t peer_count, time_t timedout, int *removed_seeders ) {
ot_peer *last_peer = peers + peer_count, *insert_point;
time_t timediff;
/* Two scan modes: unless there is one peer removed, just increase ot_peertime */
while( peers < last_peer ) {
if( ( timediff = timedout + OT_PEERTIME( peers ) ) >= OT_PEER_TIMEOUT )
break;
OT_PEERTIME( peers++ ) = timediff;
}
/* If we at least remove one peer, we have to copy */
insert_point = peers;
while( peers < last_peer )
if( ( timediff = timedout + OT_PEERTIME( peers ) ) < OT_PEER_TIMEOUT ) {
OT_PEERTIME( peers ) = timediff;
memcpy( insert_point++, peers++, sizeof(ot_peer));
} else
if( OT_PEERFLAG( peers++ ) & PEER_FLAG_SEEDING )
(*removed_seeders)++;
return peers - insert_point;
}
size_t add_peer_to_torrent_proxy( ot_hash hash, ot_peer *peer ) {
int exactmatch;
ot_torrent *torrent;
ot_peer *peer_dest;
ot_vector *torrents_list = mutex_bucket_lock_by_hash( hash );
torrent = vector_find_or_insert( torrents_list, (void*)hash, sizeof( ot_torrent ), OT_HASH_COMPARE_SIZE, &exactmatch );
if( !torrent )
return -1;
if( !exactmatch ) {
/* Create a new torrent entry, then */
memcpy( torrent->hash, hash, sizeof(ot_hash) );
if( !( torrent->peer_list = malloc( sizeof (ot_peerlist) ) ) ) {
vector_remove_torrent( torrents_list, torrent );
mutex_bucket_unlock_by_hash( hash, 0 );
return -1;
}
byte_zero( torrent->peer_list, sizeof( ot_peerlist ) );
}
/* Check for peer in torrent */
peer_dest = vector_find_or_insert_peer( &(torrent->peer_list->peers), peer, &exactmatch );
if( !peer_dest ) {
mutex_bucket_unlock_by_hash( hash, 0 );
return -1;
}
/* Tell peer that it's fresh */
OT_PEERTIME( peer ) = 0;
/* If we hadn't had a match create peer there */
if( !exactmatch ) {
torrent->peer_list->peer_count++;
if( OT_PEERFLAG(peer) & PEER_FLAG_SEEDING )
torrent->peer_list->seed_count++;
}
memcpy( peer_dest, peer, sizeof(ot_peer) );
mutex_bucket_unlock_by_hash( hash, 0 );
return 0;
}