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/*
This file is part of GNUnet.
(C) 2009 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.
*/
/**
* @file namestore/namestore.h
* @brief common internal definitions for namestore service
* @author Matthias Wachs
*/
#ifndef NAMESTORE_H
#define NAMESTORE_H
/*
* Collect message types here, move to protocols later
*/
#define GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME 431
#define GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME_RESPONSE 432
#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT 433
#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT_RESPONSE 434
#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE 435
#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE_RESPONSE 436
#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE 437
#define GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE_RESPONSE 438
#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START 439
#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE 440
#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT 441
#define GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP 442
size_t
GNUNET_NAMESTORE_records_serialize (char ** dest,
unsigned int rd_count,
const struct GNUNET_NAMESTORE_RecordData *rd);
int
GNUNET_NAMESTORE_records_deserialize ( struct GNUNET_NAMESTORE_RecordData **dest, char *src, size_t len);
/**
* A GNS record serialized for network transmission.
* layout is [struct GNUNET_NAMESTORE_NetworkRecord][char[data_size] data]
*/
struct GNUNET_NAMESTORE_NetworkRecord
{
/**
* Expiration time for the DNS record.
*/
struct GNUNET_TIME_AbsoluteNBO expiration;
/**
* Number of bytes in 'data'.
*/
uint32_t data_size;
/**
* Type of the GNS/DNS record.
*/
uint32_t record_type;
/**
* Flags for the record.
*/
uint32_t flags;
};
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Connect to namestore service
*/
struct StartMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_START
*/
struct GNUNET_MessageHeader header;
};
GNUNET_NETWORK_STRUCT_END
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Generic namestore message with op id
*/
struct GenericMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_*
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
};
GNUNET_NETWORK_STRUCT_END
/**
* Connect to namestore service
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct LookupNameMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* The zone */
GNUNET_HashCode zone;
/* Requested record type */
uint32_t record_type;
/* Requested record type */
uint32_t name_len;
};
GNUNET_NETWORK_STRUCT_END
/**
* Lookup response
* Memory layout:
* [struct LookupNameResponseMessage][struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded][char *name][rc_count * struct GNUNET_NAMESTORE_RecordData][struct GNUNET_CRYPTO_RsaSignature]
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct LookupNameResponseMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME_RESPONSE
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
struct GNUNET_TIME_AbsoluteNBO expire;
uint16_t name_len;
uint16_t contains_sig;
/* Requested record type */
uint32_t rc_count;
};
GNUNET_NETWORK_STRUCT_END
/**
* Put a record to the namestore
* Memory layout:
* [struct RecordPutMessage][struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded][char *name][rc_count * struct GNUNET_NAMESTORE_RecordData]
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct RecordPutMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_RECORD_PUT
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* Contenct starts here */
/* name length */
uint16_t name_len;
/* Length of serialized rd data */
uint16_t rd_len;
struct GNUNET_TIME_AbsoluteNBO expire;
struct GNUNET_CRYPTO_RsaSignature signature;
};
GNUNET_NETWORK_STRUCT_END
/**
* Put a record to the namestore response
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct RecordPutResponseMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT_RESPONSE
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* Contenct starts here */
/**
* name length: GNUNET_NO (0) on error, GNUNET_OK (1) on success
*/
uint16_t op_result;
};
GNUNET_NETWORK_STRUCT_END
/**
* Put a record to the namestore
* Memory layout:
* [struct RecordPutMessage][struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded][char *name][rc_count * struct GNUNET_NAMESTORE_RecordData]
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct RecordCreateMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* Contenct starts here */
/* name length */
uint16_t name_len;
struct GNUNET_CRYPTO_RsaSignature signature;
};
GNUNET_NETWORK_STRUCT_END
/**
* Create a record to the namestore response
* Memory layout:
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct RecordCreateResponseMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE_RESPONSE
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* Contenct starts here */
/**
* name length: GNUNET_NO (0) on error, GNUNET_OK (1) on success
*/
uint16_t op_result;
};
GNUNET_NETWORK_STRUCT_END
/**
* Remove a record from the namestore
* Memory layout:
* [struct RecordRemoveMessage][char *name][struct GNUNET_NAMESTORE_RecordData]
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct RecordRemoveMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* Contenct starts here */
/* name length */
uint16_t name_len;
struct GNUNET_CRYPTO_RsaSignature signature;
};
GNUNET_NETWORK_STRUCT_END
/**
* Remove a record from the namestore response
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct RecordRemoveResponseMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_REMOVE_RESPONSE
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* Contenct starts here */
/**
* name length: GNUNET_NO (0) on error, GNUNET_OK (1) on success
*/
uint16_t op_result;
};
GNUNET_NETWORK_STRUCT_END
/**
* Start a zone iteration for the given zone
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct ZoneIterationStartMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
/* Contenct starts here */
uint16_t must_have_flags;
uint16_t must_not_have_flags;
GNUNET_HashCode zone;
};
GNUNET_NETWORK_STRUCT_END
/**
* Ask for next result of zone iteration for the given operation
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct ZoneIterationNextMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
};
GNUNET_NETWORK_STRUCT_END
/**
* Stop zone iteration for the given operation
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct ZoneIterationStopMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
};
GNUNET_NETWORK_STRUCT_END
/**
* Ask for next result of zone iteration for the given operation
*/
GNUNET_NETWORK_STRUCT_BEGIN
struct ZoneIterationResponseMessage
{
/**
* Type will be GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE
*/
struct GNUNET_MessageHeader header;
/**
* Operation ID in NBO
*/
uint32_t op_id;
};
GNUNET_NETWORK_STRUCT_END
/* end of namestore.h */
#endif
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