static void exchange_mtu_cb(guint8 status, const guint8 *pdu, guint16 plen,
gpointer user_data)
{
uint16_t mtu;
if (status != 0) {
resp_error(err_COMM_ERR); // Todo: status
return;
}
if (!dec_mtu_resp(pdu, plen, &mtu)) {
resp_error(err_PROTO_ERR);
return;
}
mtu = MIN(mtu, opt_mtu);
/* Set new value for MTU in client */
if (g_attrib_set_mtu(attrib, mtu))
{
opt_mtu = mtu;
cmd_status(0, NULL);
}
else
{
printf("# Error exchanging MTU\n");
resp_error(err_COMM_ERR);
}
}
void exchange_mtu_cb(guint8 status, const guint8 *pdu, guint16 plen,
gpointer user_data)
{
uint16_t mtu;
printf_dbg("[CB] IN exchange_mtu_cb\n");
if (status) {
cb_ret_val = BL_REQUEST_FAIL_ERROR;
sprintf(cb_ret_msg, "MTU exchange callback: Failure: %s\n",
att_ecode2str(status));
goto error;
}
if (!dec_mtu_resp(pdu, plen, &mtu)) {
cb_ret_val = BL_PROTOCOL_ERROR;
strcpy(cb_ret_msg, "MTU exchange callback: PROTOCOL ERROR\n");
goto error;
}
mtu = MIN(mtu, opt_mtu);
/* Set new value for MTU in client */
if (!g_attrib_set_mtu(attrib, mtu)) {
cb_ret_val = BL_REQUEST_FAIL_ERROR;
strcpy(cb_ret_msg, "MTU exchange callback: Unable to set new MTU value "
"in client\n");
} else {
sprintf(cb_ret_msg, "MTU exchange callback: Success: %d\n", mtu);
cb_ret_val = BL_NO_ERROR;
}
error:
g_mutex_unlock(pending_callback);
printf_dbg("[CB] OUT exchange_mtu_cb\n");
}
static void exchange_mtu_cb(guint8 status, const guint8 *pdu, guint16 plen,
gpointer user_data)
{
uint16_t mtu;
if (status != 0) {
printf("Exchange MTU Request failed: %s\n",
att_ecode2str(status));
goto done;
}
if (!dec_mtu_resp(pdu, plen, &mtu)) {
printf("Protocol error\n");
goto done;
}
mtu = MIN(mtu, opt_mtu);
/* Set new value for MTU in client */
if (g_attrib_set_mtu(attrib, mtu))
printf("MTU was exchanged successfully: %d\n", mtu);
else
printf("Error exchanging MTU\n");
done:
printf("\r%s", get_prompt());
fflush(stdout);
}
static void exchange_mtu_cb(
guint8 status,
guint8 const* pdu,
guint16 plen,
gpointer user_data)
{
uint16_t mtu;
user_data_t* ud = static_cast<user_data_t*>(user_data);
if (status != 0) {
std::cout << "Exchange MTU Request failed: " << att_ecode2str(status) << std::endl;
disconnect(ud->attrib, ud->chan);
g_main_loop_quit(event_loop);
return;
}
if (!dec_mtu_resp(pdu, plen, &mtu)) {
std::cout << "Protocol error" << std::endl;
disconnect(ud->attrib, ud->chan);
g_main_loop_quit(event_loop);
return;
}
mtu = std::min(mtu, ud->mtu);
/* Set new value for MTU in client */
if (g_attrib_set_mtu(ud->attrib, mtu)) {
std::cout << "MTU was exchanged successfully:" << mtu << std::endl;
gatt_write_char(
ud->attrib,
ud->handle,
reinterpret_cast<uint8_t const*>(&ud->value),
sizeof(ud->value),
gatt_write_char_cb,
nullptr);
}
else {
std::cout << "Error exchanging MTU" << std::endl;
disconnect(ud->attrib, ud->chan);
g_main_loop_quit(event_loop);
}
}
