/**
 * @brief TCP server main thread.
 *
 * @param [in] p is currently unused.
 */
THD_FUNCTION(tcp_server, p) {
  thread_t * helper = (thread_t *) p;

  chRegSetThreadName("TCP server");
  struct netconn * conn;
  struct netconn * newconn;


  while (true)
  {
    /* Check DHCP status */
    msg_t msg;
    /* Wait forever if not connected */
    if(chMBFetch(&mb_server_config, &msg, TIME_INFINITE) == ERR_OK)
    {
      if(msg != dhcp_bound) {
        continue;
      }
    }

    /* Normal operation, DHCP freshly bound. */
    conn = netconn_new(NETCONN_TCP);
    LWIP_ERROR("http_server: invalid conn", (conn != NULL), chThdExit(MSG_RESET););

    err_t err;

    err = netconn_bind(conn, NULL, SERVER_THREAD_CONFIG_PORT);
    err = netconn_listen(conn);

    while (true) {
      err = netconn_accept(conn, &newconn);
      if (err != ERR_OK)
        continue;
      comm_init(newconn, helper);
    }
  }
}