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/*
* Copyright (C) 2019 Konsulko Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mqttclient.h"
#include <iostream>
#undef DEBUG
#ifdef DEBUG
static void on_connect(struct mosquitto *mosq, void *obj, int rc)
{
std::cerr << " MQTT Connected, rc = " << rc << std::endl;
}
static void on_disconnect(struct mosquitto *mosq, void *obj, int rc)
{
std::cerr << " MQTT Disconnected, rc = " << rc << std::endl;
}
#endif
MqttClient::MqttClient(const std::string &id, const std::string &host, const int port, const int keepalive, const std::string &username, const std::string &password)
{
mosquitto_lib_init();
m_mosq = mosquitto_new(id.c_str(), true, NULL);
#ifdef DEBUG
mosquitto_connect_callback_set(m_mosq, on_connect);
mosquitto_disconnect_callback_set(m_mosq, on_disconnect);
#endif
if(username.length())
mosquitto_username_pw_set(m_mosq, username.c_str(), password.c_str());
if(mosquitto_connect_async(m_mosq, host.c_str(), port, keepalive)) {
std::cerr << __FUNCTION__ << ": Unable to connect to " << host << std::endl;
}
int loop = mosquitto_loop_start(m_mosq);
if(loop != MOSQ_ERR_SUCCESS){
std::cerr << __FUNCTION__ << ": Unable to start loop, error = " << loop << std::endl;
}
}
MqttClient::~MqttClient(void)
{
mosquitto_disconnect(m_mosq);
mosquitto_loop_stop(m_mosq, true);
mosquitto_destroy(m_mosq);
mosquitto_lib_cleanup();
}
int MqttClient::publish(const std::string &topic, const std::string &msg, const int qos, const bool retain)
{
return mosquitto_publish(m_mosq, NULL, topic.c_str(), msg.length(), msg.c_str(), qos, retain);
}
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