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/*
This file is part of GNUnet.
(C) 2012 Christian Grothoff (and other contributing authors)
GNUnet 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 3, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @author Bartlomiej Polot
* @file mesh/mesh_block_lib.h
*/
#ifndef MESH_BLOCK_LIB_H_
#define MESH_BLOCK_LIB_H_
#ifdef __cplusplus
extern "C"
{
#if 0
/* keep Emacsens' auto-indent happy */
}
#endif
#endif
#include "platform.h"
#include "block_mesh.h"
/**
* Check if the regex block is well formed, including all edges
*
* @param block The start of the block.
* @param size The size of the block.
*
* @return GNUNET_OK in case it's fine, GNUNET_SYSERR otherwise.
*/
int
GNUNET_MESH_regex_block_check (const struct MeshRegexBlock *block,
size_t size);
/**
* Iterator over edges in a block.
*
* @param cls Closure.
* @param token Token that follows to next state.
* @param len Lenght of token.
* @param key Hash of next state.
*
* @return GNUNET_YES if should keep iterating, GNUNET_NO otherwise.
*/
typedef int (*GNUNET_MESH_EgdeIterator)(void *cls,
const char *token,
size_t len,
const struct GNUNET_HashCode *key);
/**
* Iterate over all edges of a block of a regex state.
*
* @param block Block to iterate over.
* @param size Size of block.
* @param iterator Function to call on each edge in the block.
* @param iter_cls Closure for the iterator.
*
* @return GNUNET_SYSERR if an error has been encountered, GNUNET_OK otherwise
*/
int
GNUNET_MESH_regex_block_iterate (const struct MeshRegexBlock *block,
size_t size,
GNUNET_MESH_EgdeIterator iterator,
void *iter_cls);
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
/* ifndef MESH_BLOCK_LIB_H */
#endif
/* end of mesh_block_lib.h */
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