C++ (Cpp) _eth_arrived示例

示例#1

文件： pcslip.c 项目： ya-mouse/dos-utils

static BOOL modem_command (const char *cmd, const char *resp, int timeout)
{
  DWORD timer;
  int   len = cmd ? strlen (cmd) : strlen (resp);

  if (cmd)
     rc = pkt_send (cmd, len);  /**<\todo Bypass PKTDRVR ? */

  if (rc < len || !_eth_is_init)
     return (FALSE);

  timer = set_timeout (1000 * timeout);

  while (!chk_timeout(timer))
  {
    char *pkt = (char*) _eth_arrived (NULL NULL);

    if (!pkt)
       continue;

    outsn (pkt, len);                             /* print the modem echo */
    _eth_free (pkt, type);
    return (strncmp(pkt,resp,strlen(resp)) == 0); /* got modem response */
  }
  return (FALSE);
}

示例#2

文件： pcrarp.c 项目： basecq/q2dos

/*
 * _dorarp - Checks global variable _rarptimeout
 *           returns 1 on success and sets ip address
 */
int _dorarp (void)
{
  DWORD rarptimeout    = set_timeout (1000 * _rarptimeout);
  WORD  magictimeout   = Random (7000, 14000);

  outs (_LANG("Configuring through RARP..."));

  while (1)
  {
    DWORD sendtimeout;

    if (!_rarp_request())
       break;

    sendtimeout   = set_timeout (magictimeout);
    magictimeout += Random (1000, 7000);

    while (!chk_timeout(sendtimeout))
    {
      const struct rarp_Header *rarp;
      WORD  eth_type;
      BOOL  bcast;

      if (chk_timeout(rarptimeout))
         return (0);

      WATT_YIELD();

      rarp = (rarp_Header*) _eth_arrived (&eth_type, &bcast);
      if (!rarp)
         continue;

      DEBUG_RX (NULL, rarp);

      if (eth_type == RARP_TYPE && !bcast &&
          rarp->opcode == RARP_REPLY && rarp->protType == IP4_TYPE &&
          !memcmp(rarp->dstEthAddr,_eth_addr,sizeof(mac_address)))
      {
        my_ip_addr = intel (rarp->dstIPAddr);
        _eth_free (rarp);
        return (1);
      }
      _eth_free (rarp);
    }
  }
  return (0);
}