dht.h

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/*
     This file is part of GNUnet.
     Copyright (C) 2001, 2002, 2003, 2004, 2009, 2011, 2021 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
 */
 
#ifndef DHT_H
#define DHT_H
 
 
#define DHT_BLOOM_SIZE 128
 
 
GNUNET_NETWORK_STRUCT_BEGIN
 
struct GNUNET_DHT_ClientGetStopMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t reserved GNUNET_PACKED;
 
  uint64_t unique_id GNUNET_PACKED;
 
  struct GNUNET_HashCode key;
};
 
 
struct GNUNET_DHT_ClientGetMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t options GNUNET_PACKED;
 
  uint32_t desired_replication_level GNUNET_PACKED;
 
  uint32_t type GNUNET_PACKED;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
 
  uint64_t unique_id GNUNET_PACKED;
 
  /* Possibly followed by xquery, copied to end of this dealy do */
};
 
 
struct GNUNET_DHT_ClientGetResultSeenMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t reserved GNUNET_PACKED;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
 
  uint64_t unique_id GNUNET_PACKED;
 
  /* Followed by an array of the hash codes of known results */
};
 
 
struct GNUNET_DHT_ClientResultMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t type GNUNET_PACKED;
 
  uint32_t reserved GNUNET_PACKED;
 
  uint32_t options GNUNET_PACKED;
 
  uint32_t put_path_length GNUNET_PACKED;
 
  uint32_t get_path_length GNUNET_PACKED;
 
  uint64_t unique_id GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
 
  /* trunc_peer, put path, get path and actual data are copied to end of this dealy do */
};
 
 
struct GNUNET_DHT_ClientPutMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t type GNUNET_PACKED;
 
  uint32_t options GNUNET_PACKED;
 
  uint32_t desired_replication_level GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
 
  /* DATA copied to end of this message */
};
 
 
struct GNUNET_DHT_MonitorPutMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t options GNUNET_PACKED;
 
  uint32_t type GNUNET_PACKED;
 
  uint32_t hop_count GNUNET_PACKED;
 
  uint32_t desired_replication_level GNUNET_PACKED;
 
  uint32_t put_path_length GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration_time;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
 
  /* put path (if tracked) */
 
  /* Payload */
};
 
 
struct GNUNET_DHT_MonitorStartStopMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t type GNUNET_PACKED;
 
  int16_t get GNUNET_PACKED;
 
  int16_t get_resp GNUNET_PACKED;
 
  int16_t put GNUNET_PACKED;
 
  int16_t filter_key GNUNET_PACKED;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
};
 
 
struct GNUNET_DHT_MonitorGetMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t options GNUNET_PACKED;
 
  uint32_t type GNUNET_PACKED;
 
  uint32_t hop_count GNUNET_PACKED;
 
  uint32_t desired_replication_level GNUNET_PACKED;
 
  uint32_t reserved GNUNET_PACKED;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
 
  /* get path (if tracked) */
};
 
struct GNUNET_DHT_MonitorGetRespMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t type GNUNET_PACKED;
 
  uint32_t reserved GNUNET_PACKED;
 
  uint32_t options GNUNET_PACKED;
 
  uint32_t put_path_length GNUNET_PACKED;
 
  uint32_t get_path_length GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration_time;
 
  struct GNUNET_HashCode key GNUNET_PACKED;
 
  /* put path (if tracked) */
 
  /* get path (if tracked) */
 
  /* Payload */
};
 
struct PeerPutMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t type GNUNET_PACKED;
 
  uint16_t options GNUNET_PACKED;
 
  uint16_t hop_count GNUNET_PACKED;
 
  uint16_t desired_replication_level GNUNET_PACKED;
 
  uint16_t put_path_length GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration_time;
 
  char bloomfilter[DHT_BLOOM_SIZE];
 
  struct GNUNET_HashCode key;
 
  /* trunc_peer (if truncated) */
 
  /* put path (if tracked) */
 
  /* sender_sig (if path tracking is on) */
 
  /* Payload */
};
 
GNUNET_NETWORK_STRUCT_END
 
#endif