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/*
This file is part of GNUnet.
Copyright (C) 2011-2013 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file namecache/namecache.h
* @brief common internal definitions for namecache service
* @author Matthias Wachs
* @author Christian Grothoff
*/
#ifndef NAMECACHE_H
#define NAMECACHE_H
/**
* Maximum length of any name, including 0-termination.
*/
#define MAX_NAME_LEN 256
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Generic namecache message with op id
*/
struct GNUNET_NAMECACHE_Header
{
/**
* header.type will be GNUNET_MESSAGE_TYPE_NAMECACHE_*
* header.size will be message size
*/
struct GNUNET_MessageHeader header;
/**
* Request ID in NBO
*/
uint32_t r_id GNUNET_PACKED;
};
/**
* Lookup a block in the namecache
*/
struct LookupBlockMessage
{
/**
* Type will be #GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK
*/
struct GNUNET_NAMECACHE_Header gns_header;
/**
* The query.
*/
struct GNUNET_HashCode query GNUNET_PACKED;
};
/**
* Lookup response
*/
struct LookupBlockResponseMessage
{
/**
* Type will be #GNUNET_MESSAGE_TYPE_NAMECACHE_LOOKUP_BLOCK_RESPONSE
*/
struct GNUNET_NAMECACHE_Header gns_header;
/**
* Expiration time
*/
struct GNUNET_TIME_AbsoluteNBO expire;
/**
* Signature.
*/
struct GNUNET_CRYPTO_EcdsaSignature signature;
/**
* Derived public key.
*/
struct GNUNET_CRYPTO_EcdsaPublicKey derived_key;
/* follwed by encrypted block data */
};
/**
* Cache a record in the namecache.
*/
struct BlockCacheMessage
{
/**
* Type will be #GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE
*/
struct GNUNET_NAMECACHE_Header gns_header;
/**
* Expiration time
*/
struct GNUNET_TIME_AbsoluteNBO expire;
/**
* Signature.
*/
struct GNUNET_CRYPTO_EcdsaSignature signature;
/**
* Derived public key.
*/
struct GNUNET_CRYPTO_EcdsaPublicKey derived_key;
/* follwed by encrypted block data */
};
/**
* Response to a request to cache a block.
*/
struct BlockCacheResponseMessage
{
/**
* Type will be #GNUNET_MESSAGE_TYPE_NAMECACHE_BLOCK_CACHE_RESPONSE
*/
struct GNUNET_NAMECACHE_Header gns_header;
/**
* #GNUNET_OK on success, #GNUNET_SYSERR error
*/
int32_t op_result GNUNET_PACKED;
};
GNUNET_NETWORK_STRUCT_END
/* end of namecache.h */
#endif
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