/* StorageListener.java - Interface used as callback when storage changes.
Copyright (C) 2003 Mark J. Wielaard
This file is part of Snark.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.klomp.snark;
/**
* Callback used when Storage changes.
*/
interface StorageListener
{
/**
* Called when the storage creates a new file of a given length.
*/
void storageCreateFile(Storage storage, String name, long length);
/**
* Called to indicate that length bytes have been allocated.
*/
void storageAllocated(Storage storage, long length);
/**
* Called when storage is being checked and the num piece of that
* total pieces has been checked. When the piece hash matches the
* expected piece hash checked will be true, otherwise it will be
* false.
*/
void storageChecked(Storage storage, int num, boolean checked);
/**
* Called when all pieces in the storage have been checked. Does not
* mean that the storage is complete, just that the state of the
* storage is known.
*/
void storageAllChecked(Storage storage);
/**
* Called the one time when the data is completely received and checked.
*
*/
void storageCompleted(Storage storage);
/** Reset the peer's wanted pieces table
* Call after the storage double-check fails
*
*/
void setWantedPieces(Storage storage);
void addMessage(String message);
}