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/*
This file is part of GNUnet
Copyright (C) 2012 GNUnet e.V.
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file dns/dns.h
* @brief IPC messages between DNS API and DNS service
* @author Christian Grothoff
*/
#ifndef DNS_H
#define DNS_H
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message from client to DNS service to register itself.
*/
struct GNUNET_DNS_Register
{
/**
* Header of type #GNUNET_MESSAGE_TYPE_DNS_CLIENT_INIT
*/
struct GNUNET_MessageHeader header;
/**
* NBO encoding of `enum GNUNET_DNS_Flags` for the client.
*/
uint32_t flags GNUNET_PACKED;
};
/**
* Message from DNS service to client: please handle a request.
*/
struct GNUNET_DNS_Request
{
/**
* Header of type #GNUNET_MESSAGE_TYPE_DNS_CLIENT_REQUEST
*/
struct GNUNET_MessageHeader header;
/**
* Always zero.
*/
uint32_t reserved GNUNET_PACKED;
/**
* Unique request ID.
*/
uint64_t request_id GNUNET_PACKED;
/* followed by original DNS request (without UDP header) */
};
/**
* Message from client to DNS service: here is my reply.
*/
struct GNUNET_DNS_Response
{
/**
* Header of type #GNUNET_MESSAGE_TYPE_DNS_CLIENT_RESPONSE
*/
struct GNUNET_MessageHeader header;
/**
* Zero to drop, 1 for no change (no payload), 2 for update (message has payload).
*/
uint32_t drop_flag GNUNET_PACKED;
/**
* Unique request ID.
*/
uint64_t request_id GNUNET_PACKED;
/* followed by original DNS request (without UDP header) */
};
GNUNET_NETWORK_STRUCT_END
#endif
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