/* 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 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. */ /** * @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