+++ /dev/null
-/*
- This file is part of GNUnet.
- (C) 2012,2013 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.
-*/
-
-/**
- * @file include/block_mesh.h
- * @brief Mesh block formats.
- * @author Bartlomiej Polot
- */
-#ifndef BLOCK_MESH_H
-#define BLOCK_MESH_H
-
-#ifdef __cplusplus
-extern "C"
-{
-#if 0 /* keep Emacsens' auto-indent happy */
-}
-#endif
-#endif
-
-#include "gnunet_util_lib.h"
-#include "gnunet_mesh_service.h"
-#include <stdint.h>
-
-/**
- * @brief peer block (peer id)
- */
-struct PBlock
-{
- /**
- * Identity of the peer
- */
- struct GNUNET_PeerIdentity id;
-
-};
-
-#if 0 /* keep Emacsens' auto-indent happy */
-{
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-#endif
\ No newline at end of file
+++ /dev/null
-/*
- This file is part of GNUnet
- (C) 2012,2013 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.
-*/
-
-/**
- * @file mesh/plugin_block_mesh.c
- * @brief blocks used for mesh peer discovery
- * @author Bartlomiej Polot
- */
-
-#include "platform.h"
-#include "gnunet_block_plugin.h"
-#include "block_mesh.h"
-
-/**
- * Number of bits we set per entry in the bloomfilter.
- * Do not change!
- */
-#define BLOOMFILTER_K 16
-
-
-/**
- * Function called to validate a reply or a request. For
- * request evaluation, simply pass "NULL" for the reply_block.
- * Note that it is assumed that the reply has already been
- * matched to the key (and signatures checked) as it would
- * be done with the "get_key" function.
- *
- * @param cls closure
- * @param type block type
- * @param query original query (hash)
- * @param bf pointer to bloom filter associated with query; possibly updated (!)
- * @param bf_mutator mutation value for bf
- * @param xquery extrended query data (can be NULL, depending on type)
- * @param xquery_size number of bytes in xquery
- * @param reply_block response to validate
- * @param reply_block_size number of bytes in reply block
- * @return characterization of result
- */
-static enum GNUNET_BLOCK_EvaluationResult
-block_plugin_mesh_evaluate (void *cls, enum GNUNET_BLOCK_Type type,
- const struct GNUNET_HashCode * query,
- struct GNUNET_CONTAINER_BloomFilter **bf,
- int32_t bf_mutator, const void *xquery,
- size_t xquery_size, const void *reply_block,
- size_t reply_block_size)
-{
- struct GNUNET_HashCode chash;
- struct GNUNET_HashCode mhash;
-
- switch (type)
- {
- case GNUNET_BLOCK_TYPE_MESH_PEER:
- if (0 != xquery_size)
- {
- GNUNET_break_op (0);
- return GNUNET_BLOCK_EVALUATION_REQUEST_INVALID;
- }
- if (NULL == reply_block)
- return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
- if (sizeof (struct PBlock) != reply_block_size)
- return GNUNET_BLOCK_EVALUATION_RESULT_INVALID;
- if (NULL != bf)
- {
- GNUNET_CRYPTO_hash (reply_block, reply_block_size, &chash);
- GNUNET_BLOCK_mingle_hash (&chash, bf_mutator, &mhash);
- if (NULL != *bf)
- {
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (*bf, &mhash))
- return GNUNET_BLOCK_EVALUATION_OK_DUPLICATE;
- }
- else
- {
- *bf = GNUNET_CONTAINER_bloomfilter_init (NULL, 8, BLOOMFILTER_K);
- }
- GNUNET_CONTAINER_bloomfilter_add (*bf, &mhash);
- }
- return GNUNET_BLOCK_EVALUATION_OK_LAST;
-
- default:
- GNUNET_break(0);
- return GNUNET_BLOCK_EVALUATION_TYPE_NOT_SUPPORTED;
- }
-}
-
-
-/**
- * Function called to obtain the key for a block.
- *
- * @param cls closure
- * @param type block type
- * @param block block to get the key for
- * @param block_size number of bytes in @a block
- * @param key set to the key (query) for the given block
- * @return #GNUNET_OK on success, #GNUNET_SYSERR if type not supported
- * (or if extracting a key from a block of this type does not work)
- */
-static int
-block_plugin_mesh_get_key (void *cls, enum GNUNET_BLOCK_Type type,
- const void *block, size_t block_size,
- struct GNUNET_HashCode * key)
-{
- const struct PBlock *pb;
- pb = block;
-
- switch (type)
- {
- case GNUNET_BLOCK_TYPE_MESH_PEER:
- if (sizeof (struct PBlock) != block_size)
- return GNUNET_SYSERR;
- GNUNET_CRYPTO_hash (&pb->id,
- sizeof (struct GNUNET_PeerIdentity),
- key);
- return GNUNET_OK;
- default:
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
-}
-
-
-/**
- * Entry point for the plugin.
- */
-void *
-libgnunet_plugin_block_mesh_init (void *cls)
-{
- static enum GNUNET_BLOCK_Type types[] =
- {
- GNUNET_BLOCK_TYPE_MESH_PEER,
- GNUNET_BLOCK_TYPE_ANY /* end of list */
- };
- struct GNUNET_BLOCK_PluginFunctions *api;
-
- api = GNUNET_new (struct GNUNET_BLOCK_PluginFunctions);
- api->evaluate = &block_plugin_mesh_evaluate;
- api->get_key = &block_plugin_mesh_get_key;
- api->types = types;
- return api;
-}
-
-
-/**
- * Exit point from the plugin.
- */
-void *
-libgnunet_plugin_block_mesh_done (void *cls)
-{
- struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
-
- GNUNET_free (api);
- return NULL;
-}
-
-/* end of plugin_block_mesh.c */