C++ (Cpp) emacs_gnutls_handshake Examples

Example #1

File: gnutls.c Project: mechairoi/emacs

EMACS_INT
emacs_gnutls_read (struct Lisp_Process *proc, char *buf, EMACS_INT nbyte)
{
  ssize_t rtnval;
  gnutls_session_t state = proc->gnutls_state;

  if (proc->gnutls_initstage != GNUTLS_STAGE_READY)
    {
      emacs_gnutls_handshake (proc);
      return -1;
    }
  rtnval = fn_gnutls_record_recv (state, buf, nbyte);
  if (rtnval >= 0)
    return rtnval;
  else if (rtnval == GNUTLS_E_UNEXPECTED_PACKET_LENGTH)
    /* The peer closed the connection. */
    return 0;
  else if (emacs_gnutls_handle_error (state, rtnval) == 0)
    /* non-fatal error */
    return -1;
  else {
    /* a fatal error occurred */
    return 0;
  }
}

Example #2

File: gnutls.c Project: a3090103838/emacs-24-mac

EMACS_INT
emacs_gnutls_read (struct Lisp_Process *proc, char *buf, EMACS_INT nbyte)
{
  ssize_t rtnval;
  gnutls_session_t state = proc->gnutls_state;

  int log_level = proc->gnutls_log_level;

  if (proc->gnutls_initstage != GNUTLS_STAGE_READY)
    {
      /* If the handshake count is under the limit, try the handshake
         again and increment the handshake count.  This count is kept
         per process (connection), not globally.  */
      if (proc->gnutls_handshakes_tried < GNUTLS_EMACS_HANDSHAKES_LIMIT)
        {
          proc->gnutls_handshakes_tried++;
          emacs_gnutls_handshake (proc);
          GNUTLS_LOG2i (5, log_level, "Retried handshake", 
                        proc->gnutls_handshakes_tried);
          return -1;
        }

      GNUTLS_LOG (2, log_level, "Giving up on handshake; resetting retries");
      proc->gnutls_handshakes_tried = 0;
      return 0;
    }
  rtnval = fn_gnutls_record_recv (state, buf, nbyte);
  if (rtnval >= 0)
    return rtnval;
  else if (rtnval == GNUTLS_E_UNEXPECTED_PACKET_LENGTH)
    /* The peer closed the connection. */
    return 0;
  else if (emacs_gnutls_handle_error (state, rtnval) == 0)
    /* non-fatal error */
    return -1;
  else {
    /* a fatal error occurred */
    return 0;
  }
}