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/*
This file is part of GNUnet.
Copyright (C) 2010 GNUnet e.V.
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 of the License,
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
Affero General Public License for more details.
*/
/**
* @author Christian Grothoff
*
* @file
* FS block formats (shared between FS and Block)
*
* @defgroup block-fs FS block formats
* Shared between the [FS service](@ref fs) and the [Block library](@ref block).
* @{
*/
#ifndef BLOCK_FS_H
#define BLOCK_FS_H
#include "gnunet_util_lib.h"
#include "gnunet_fs_service.h"
/**
* Maximum legal size for a ublock.
*/
#define MAX_UBLOCK_SIZE (60 * 1024)
GNUNET_NETWORK_STRUCT_BEGIN
/**
* @brief universal block for keyword and namespace search results
*/
struct UBlock
{
/**
* Signature using pseudonym and search keyword / identifier.
*/
struct GNUNET_CRYPTO_EcdsaSignature signature;
/**
* What is being signed and why?
*/
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
/**
* Public key used to sign this block.
*/
struct GNUNET_CRYPTO_EcdsaPublicKey verification_key;
/* rest of the data is encrypted */
/* 0-terminated update-identifier here (ignored for keyword results) */
/* 0-terminated URI here */
/* variable-size Meta-Data follows here */
};
/**
* @brief index block (indexing a DBlock that
* can be obtained directly from reading
* the plaintext file)
*/
struct OnDemandBlock
{
/**
* Hash code of the entire content of the
* file that was indexed (used to uniquely
* identify the plaintext file).
*/
struct GNUNET_HashCode file_id;
/**
* At which offset should we be able to find
* this on-demand encoded block? (in NBO)
*/
uint64_t offset GNUNET_PACKED;
};
GNUNET_NETWORK_STRUCT_END
#endif
/** @} */ /* end of group */
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