OpenDTU/lib/MqttSubscribeParser/MqttSubscribeParser.h
Thomas Basler 5dd4d5b452 Introduce MqttSubscribeParser and moved inverter specific subscribes to MqttHandleInverterClass
This allows individual callback functions for each subscribed topic. Allows easier implementation of further mqtt functions
2022-12-14 20:42:23 +01:00

31 lines
901 B
C++

// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <cstdint>
#include <espMqttClient.h>
#include <string>
#include <vector>
struct cb_filter_t {
std::string topic;
uint8_t qos;
espMqttClientTypes::OnMessageCallback cb;
};
class MqttSubscribeParser {
public:
void register_callback(const std::string& topic, uint8_t qos, const espMqttClientTypes::OnMessageCallback& cb);
void unregister_callback(const std::string& topic);
void handle_message(const espMqttClientTypes::MessageProperties& properties, const char* topic, const uint8_t* payload, size_t len, size_t index, size_t total);
std::vector<cb_filter_t> get_callbacks();
private:
int mosquitto_topic_matches_sub(const char* sub, const char* topic, bool* result);
std::vector<cb_filter_t> _callbacks;
enum mosq_err_t {
MOSQ_ERR_SUCCESS = 0,
MOSQ_ERR_INVAL = 3,
};
};