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/*
This file is part of GNUnet
Copyright (C) 2013-2016 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/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file peerstore/peerstore_common.h
* @brief Helper peerstore functions
* @author Omar Tarabai
*/
#include "platform.h"
#include "peerstore.h"
/**
* Creates a hash of the given key combination
*
*/
void
PEERSTORE_hash_key (const char *sub_system,
const struct GNUNET_PeerIdentity *peer,
const char *key,
struct GNUNET_HashCode *ret);
/**
* Creates a MQ envelope for a single record
*
* @param sub_system sub system string
* @param peer Peer identity (can be NULL)
* @param key record key string (can be NULL)
* @param value record value BLOB (can be NULL)
* @param value_size record value size in bytes (set to 0 if value is NULL)
* @param expiry time after which the record expires
* @param options options specific to the storage operation
* @param msg_type message type to be set in header
* @return pointer to record message struct
*/
struct GNUNET_MQ_Envelope *
PEERSTORE_create_record_mq_envelope (const char *sub_system,
const struct GNUNET_PeerIdentity *peer,
const char *key,
const void *value,
size_t value_size,
struct GNUNET_TIME_Absolute expiry,
enum GNUNET_PEERSTORE_StoreOption options,
uint16_t msg_type);
/**
* Parses a message carrying a record
*
* @param srm the actual message
* @return Pointer to record or NULL on error
*/
struct GNUNET_PEERSTORE_Record *
PEERSTORE_parse_record_message (const struct StoreRecordMessage *srm);
/**
* Free any memory allocated for this record
*
* @param record
*/
void
PEERSTORE_destroy_record (struct GNUNET_PEERSTORE_Record *record);
/* end of peerstore_common.h */
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