int offset,
int total_size )
throws UPnPException
{
UPnPAction act = service.getAction( "AddDownloadChunked" );
if ( act == null ){
throw( new UPnPException( "AddDownloadChunked not supported" ));
}else{
UPnPActionInvocation inv = act.getInvocation();
inv.addArgument( "NewClientID", client_id );
inv.addArgument( "NewTorrentHash", hash );
inv.addArgument( "NewTorrentData", chunk );
inv.addArgument( "NewChunkOffset", String.valueOf( offset ));