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/*
This file is part of GNUnet.
Copyright (C) 2011, 2016, 2017 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 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.
*/
/**
* @file src/nat-auto/nat-auto.h
* @brief Messages for interaction with gnunet-nat-auto-service
* @author Christian Grothoff
*
*/
#ifndef NAT_AUTO_H
#define NAT_AUTO_H
#include "gnunet_util_lib.h"
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Request to test NAT traversal, sent to the gnunet-nat-server
* (not the service!).
*/
struct GNUNET_NAT_AUTO_TestMessage
{
/**
* Header with type #GNUNET_MESSAGE_TYPE_NAT_TEST
*/
struct GNUNET_MessageHeader header;
/**
* IPv4 target IP address
*/
uint32_t dst_ipv4;
/**
* Port to use, 0 to send dummy ICMP response.
*/
uint16_t dport;
/**
* Data to send OR advertised-port (in NBO) to use for dummy ICMP.
*/
uint16_t data;
/**
* #GNUNET_YES for TCP, #GNUNET_NO for UDP.
*/
int32_t is_tcp;
};
/**
* Client requesting automatic configuration.
*/
struct GNUNET_NAT_AUTO_AutoconfigRequestMessage
{
/**
* Header with type #GNUNET_MESSAGE_TYPE_NAT_REQUEST_AUTO_CFG
*/
struct GNUNET_MessageHeader header;
/* Followed by configuration (diff, serialized, compressed) */
};
/**
* Service responding with proposed configuration.
*/
struct GNUNET_NAT_AUTO_AutoconfigResultMessage
{
/**
* Header with type #GNUNET_MESSAGE_TYPE_NAT_AUTO_CFG_RESULT
*/
struct GNUNET_MessageHeader header;
/**
* An `enum GNUNET_NAT_StatusCode` in NBO.
*/
int32_t status_code GNUNET_PACKED;
/**
* An `enum GNUNET_NAT_Type` in NBO.
*/
int32_t type GNUNET_PACKED;
/* Followed by configuration (diff, serialized, compressed) */
};
GNUNET_NETWORK_STRUCT_END
#endif
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