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/*
This file is part of GNUnet.
(C) 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.
*/
/**
* @author Florian Dold
* @file set/set_protocol.h
* @brief Peer-to-Peer messages for gnunet set
*/
#ifndef SET_PROTOCOL_H
#define SET_PROTOCOL_H
#include "platform.h"
#include "gnunet_common.h"
GNUNET_NETWORK_STRUCT_BEGIN
struct OperationRequestMessage
{
/**
* Type: GNUNET_MESSAGE_TYPE_SET_P2P_OPERATION_REQUEST
*/
struct GNUNET_MessageHeader header;
/**
* Operation to request, values from 'enum GNUNET_SET_OperationType'
*/
uint32_t operation GNUNET_PACKED;
/**
* Salt to use for this operation.
*/
uint32_t salt;
/**
* For Intersection: my element count
*/
uint32_t element_count;
/**
* Application-specific identifier of the request.
*/
struct GNUNET_HashCode app_id;
/* rest: optional message */
};
struct IBFMessage
{
/**
* Type: GNUNET_MESSAGE_TYPE_SET_P2P_IBF
*/
struct GNUNET_MessageHeader header;
/**
* Order of the whole ibf, where
* num_buckets = 2^order
*/
uint8_t order;
/**
* Padding, must be 0.
*/
uint8_t reserved;
/**
* Offset of the strata in the rest of the message
*/
uint16_t offset GNUNET_PACKED;
/**
* Salt used when hashing elements for this IBF.
*/
uint32_t salt;
/* rest: strata */
};
struct BFMessage
{
/**
* Type: GNUNET_MESSAGE_TYPE_SET_INTERSECTION_P2P_BF
*/
struct GNUNET_MessageHeader header;
/**
* mutator used with this bloomfilter.
*/
uint32_t sender_element_count GNUNET_PACKED;
/**
* mutator used with this bloomfilter.
*/
uint32_t sender_mutator GNUNET_PACKED;
/**
* Length of the bloomfilter data
*/
uint32_t bloomfilter_total_length GNUNET_PACKED;
/**
* Length of the appended bloomfilter data block
*/
uint32_t bloomfilter_length GNUNET_PACKED;
/**
* Length of the bloomfilter data
*/
uint32_t bits_per_element GNUNET_PACKED;
/**
* rest: the sender's bloomfilter
*/
};
struct BFPart
{
/**
* Type: GNUNET_MESSAGE_TYPE_SET_INTERSECTION_P2P_BF
*/
struct GNUNET_MessageHeader header;
/**
* Length of the appended bloomfilter data block
*/
uint32_t chunk_length GNUNET_PACKED;
/**
* offset in the bloolfilter data block, if multipart message
*/
uint32_t chunk_offset GNUNET_PACKED;
/**
* rest: the sender's bloomfilter
*/
};
GNUNET_NETWORK_STRUCT_END
#endif
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