Function netconn_send

components/net/lwip/lwip-2.1.2/src/api/api_lib.c:940–957

* @ingroup netconn_udp * Send data over a UDP or RAW netconn (that is already connected). * * @param conn the UDP or RAW netconn over which to send data * @param buf a netbuf containing the data to send * @return ERR_OK if data was sent, any other err_t on error */

 * @return ERR_OK if data was sent, any other err_t on error
 */
err_t
netconn_send(struct netconn *conn, struct netbuf *buf)
{
  API_MSG_VAR_DECLARE(msg);
  err_t err;

  LWIP_ERROR("netconn_send: invalid conn",  (conn != NULL), return ERR_ARG;);

  LWIP_DEBUGF(API_LIB_DEBUG, ("netconn_send: sending %"U16_F" bytes\n", buf->p->tot_len));

  API_MSG_VAR_ALLOC(msg);
  API_MSG_VAR_REF(msg).conn = conn;
  API_MSG_VAR_REF(msg).msg.b = buf;
  err = netconn_apimsg(lwip_netconn_do_send, &API_MSG_VAR_REF(msg));
  API_MSG_VAR_FREE(msg);

  return err;
}

/**
 * @ingroup netconn_tcp