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RIOT/sys/include/net/udp.h 1.22 KB
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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 NET_UDP_H
  #define NET_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 /* NET_UDP_H */
  /** @} */