int mqttClient_disconnectData(mqttClient_t* clientData)
{
int rc = LE_OK;
if (!clientData->requestRef)
{
LE_ERROR("no data connection reference.");
goto cleanup;
}
if (clientData->session.isConnected)
{
LE_INFO("Dispose MQTT resources.");
mqttClient_disconnect(clientData);
rc = mqttClient_close(clientData);
if (rc)
{
LE_ERROR("mqttClient_close() failed(%d)", rc);
goto cleanup;
}
}
LE_INFO("releasing the data connection.");
le_data_Release(clientData->requestRef);
clientData->requestRef = NULL;
mqttClient_SendConnStateEvent(false, 0, 0);
cleanup:
return rc;
}
/* Asynchronous connectionRelease Lua API.
* Final result will be received by ConnectionStateHandler.
*
* @param Lua userdata containing the Request id as returned by l_connectionRequest
*
* @returns on success: "ok" string.
* to be given back to le_data_Release.
* @returns on error: nil+error_string
*/
static int l_release(lua_State *L)
{
nmctx* nmud = (nmctx*) luaL_checkudata(L, 1, USERDATA);
if (!nmud || !nmud->data_ref) {
//data_ref is set to NULL after le_data_Release is done
//nmud NULL would be internal error (luaL_checkudata should make Lua error)
lua_pushnil(L);
lua_pushstring(L, "connection already released");
return 2;
}
le_data_Release(nmud->data_ref); //le_data_Release is void
nmud->data_ref = NULL;
lua_pushstring(L, "ok");
return 1;
}
// -------------------------------------------------------------------------------------------------
static void GoOffline
(
char* buffer ///< [OUT] On success or failure, a message is written to this buffer.
)
{
if(!RequestRef)
{
LE_ERROR("Not existing connection reference.");
return;
}
le_data_Release(RequestRef);
LE_INFO("Releasing the default data connection.");
RequestRef = NULL;
}
static void ConnectionStateHandler
(
const char *intfName,
bool isConnected,
void *contextPtr
)
{
if (isConnected)
{
WaitingForConnection = false;
LE_INFO("Interface %s connected.", intfName);
GetUrl();
le_data_Release(ConnectionRef);
}
else
{
LE_INFO("Interface %s disconnected.", intfName);
}
}
