fs.h

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/*
     This file is part of GNUnet.
     Copyright (C) 2003--2012 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 FS_H
#define FS_H
 
#include "gnunet_constants.h"
#include "gnunet_datastore_service.h"
#include "gnunet_dht_service.h"
 
#include "gnunet_fs_service.h"
#include "gnunet_block_lib.h"
#include "block_fs.h"
 
 
#define DBLOCK_SIZE (32 * 1024)
 
#define HASHING_BLOCKSIZE (1024 * 128)
 
 
struct ContentHashKey
{
  struct GNUNET_HashCode key;
 
  struct GNUNET_HashCode query;
};
 
 
GNUNET_NETWORK_STRUCT_BEGIN
 
 
struct RequestLocSignatureMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t purpose GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration_time;
 
  struct ContentHashKey chk;
 
  uint64_t file_length;
};
 
 
struct ResponseLocSignatureMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t purpose GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration_time;
 
  struct GNUNET_CRYPTO_EddsaSignature signature;
 
  struct GNUNET_PeerIdentity peer;
};
 
 
struct IndexStartMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t reserved GNUNET_PACKED;
 
  uint64_t device GNUNET_PACKED;
 
  uint64_t inode GNUNET_PACKED;
 
  struct GNUNET_HashCode file_id;
 
  /* this is followed by a 0-terminated
   * filename of a file with the hash
   * "file_id" as seen by the client */
};
 
 
struct IndexInfoMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t reserved GNUNET_PACKED;
 
  struct GNUNET_HashCode file_id;
 
  /* this is followed by a 0-terminated
   * filename of a file with the hash
   * "file_id" as seen by the client */
};
 
 
struct UnindexMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t reserved GNUNET_PACKED;
 
  struct GNUNET_HashCode file_id;
};
 
 
#define SEARCH_MESSAGE_OPTION_NONE 0
 
#define SEARCH_MESSAGE_OPTION_LOOPBACK_ONLY 1
 
#define SEARCH_MESSAGE_OPTION_CONTINUED 2
 
 
struct SearchMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t options GNUNET_PACKED;
 
  uint32_t type GNUNET_PACKED;
 
  uint32_t anonymity_level GNUNET_PACKED;
 
  struct GNUNET_PeerIdentity target;
 
  struct GNUNET_HashCode query;
 
  /* this is followed by the hash codes of already-known
   * results (which should hence be excluded from what
   * the service returns); naturally, this only applies
   * to queries that can have multiple results (UBLOCKS).
   */
};
 
 
struct PutMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t type GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration;
 
  /* this is followed by the actual encrypted content */
};
 
struct ClientPutMessage
{
  struct GNUNET_MessageHeader header;
 
  uint32_t type GNUNET_PACKED;
 
  struct GNUNET_TIME_AbsoluteNBO expiration;
 
  struct GNUNET_TIME_AbsoluteNBO last_transmission;
 
  uint32_t num_transmissions;
 
  uint32_t respect_offered;
 
  /* this is followed by the actual encrypted content */
};
GNUNET_NETWORK_STRUCT_END
 
 
#endif
 
/* end of fs.h */