udp.h
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/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup net_udp UDP
* @ingroup net
* @brief Provides UDP header and helper functions
* @see <a href="https://tools.ietf.org/html/rfc768">
* RFC 768
* </a>
* @{
*
* @file
* @brief UDP header and helper functions definition
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef UDP_H_
#define UDP_H_
#include "byteorder.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief UDP header
*/
typedef struct __attribute__((packed)) {
network_uint16_t src_port; /**< source port */
network_uint16_t dst_port; /**< destination port */
network_uint16_t length; /**< payload length (including the header) */
network_uint16_t checksum; /**< checksum */
} udp_hdr_t;
/**
* @brief Print the given UDP header to STDOUT
*
* @param[in] hdr UDP header to print
*/
void udp_hdr_print(udp_hdr_t *hdr);
#ifdef __cplusplus
}
#endif
#endif /* UDP_H_ */
/** @} */