void
tr_bandwidthSetParent( tr_bandwidth * b,
tr_bandwidth * parent )
{
assert( tr_isBandwidth( b ) );
assert( b != parent );
if( b->parent )
{
void * removed;
assert( tr_isBandwidth( b->parent ) );
removed = tr_ptrArrayRemoveSorted( &b->parent->children, b, comparePointers );
assert( removed == b );
assert( tr_ptrArrayFindSorted( &b->parent->children, b, comparePointers ) == NULL );
b->parent = NULL;
}
if( parent )
{
assert( tr_isBandwidth( parent ) );
assert( parent->parent != b );
tr_ptrArrayInsertSorted( &parent->children, b, comparePointers );
assert( tr_ptrArrayFindSorted( &parent->children, b, comparePointers ) == b );
b->parent = parent;
}
}
static struct cache_block *
findBlock (tr_cache * cache,
tr_torrent * torrent,
tr_piece_index_t piece,
uint32_t offset)
{
struct cache_block key;
key.tor = torrent;
key.block = _tr_block (torrent, piece, offset);
return tr_ptrArrayFindSorted (&cache->blocks, &key, cache_block_compare);
}
static tr_dns_result
dns_cache_lookup( struct tr_web_task * task, const char * host, const char ** resolved )
{
tr_dns_result result = TR_DNS_UNTESTED;
if( task->session->web != NULL )
{
struct dns_cache_item key;
struct dns_cache_item * item;
tr_ptrArray * cache = &task->session->web->dns_cache;
key.host = (char*) host;
item = tr_ptrArrayFindSorted( cache, &key, dns_cache_compare );
/* has the ttl expired? */
if( ( item != NULL ) && ( item->expiration <= tr_time( ) ) )
{
dns_cache_clear_entry( cache, host );
item = NULL;
}
if( item != NULL )
{
result = item->success ? TR_DNS_OK : TR_DNS_FAIL;
if( result == TR_DNS_OK )
{
*resolved = item->resolved_host;
dbgmsg( "found cached dns entry for \"%s\": %s", host, *resolved );
}
}
}
return result;
}