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RIOT/sys/net/gnrc/sock/include/gnrc_sock_internal.h 2.06 KB
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  /*
   * Copyright (C) 2016 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_gnrc_sock   GNRC-specific implementation of the sock API
   * @ingroup     net_gnrc
   * @brief       Provides an implementation of the @ref net_sock by the
   *              @ref net_gnrc
   *
   * @{
   *
   * @file
   * @brief   GNRC-specific types and function definitions
   *
   * @author  Martine Lenders <mlenders@inf.fu-berlin.de>
   */
  #ifndef GNRC_SOCK_INTERNAL_H_
  #define GNRC_SOCK_INTERNAL_H_
  
  #include <stdbool.h>
  #include <stdint.h>
  #include "mbox.h"
  #include "net/af.h"
  #include "net/gnrc.h"
  #include "net/gnrc/netreg.h"
  #include "net/sock/ip.h"
  
  #include "sock_types.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * @brief   Internal helper functions for GNRC
   * @internal
   * @{
   */
  /**
   * @brief   Checks if address family is not supported
   * @internal
   */
  static inline bool gnrc_af_not_supported(int af)
  {
      /* TODO: add AF_INET support */
      return (af != AF_INET6);
  }
  
  /**
   * @brief   Check if end point points to any address
   * @internal
   */
  static inline bool gnrc_ep_addr_any(const sock_ip_ep_t *ep)
  {
      assert(ep != NULL);
      const uint8_t *p = (uint8_t *)&ep->addr;
      for (uint8_t i = 0; i < sizeof(ep->addr); i++) {
          if (p[i] != 0) {
              return false;
          }
      }
      return true;
  }
  
  /**
   * @brief   Create a sock internally
   * @internal
   */
  void gnrc_sock_create(gnrc_sock_reg_t *reg, gnrc_nettype_t type, uint32_t demux_ctx);
  
  /**
   * @brief   Receive a packet internally
   * @internal
   */
  ssize_t gnrc_sock_recv(gnrc_sock_reg_t *reg, gnrc_pktsnip_t **pkt, uint32_t timeout,
                         sock_ip_ep_t *remote);
  
  /**
   * @brief   Send a packet internally
   * @internal
   */
  ssize_t gnrc_sock_send(gnrc_pktsnip_t *payload, sock_ip_ep_t *local,
                         const sock_ip_ep_t *remote, uint8_t nh);
  /**
   * @}
   */
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* GNRC_SOCK_INTERNAL_H_ */
  /** @} */