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d039455b82
MQTT messages might arrive in parts if their payload is too big. for that reason, we need to be prepared to re-assemble fragmented messages on a topic before handing them over to the subscriber.
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "NetworkSettings.h"
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#include <MqttSubscribeParser.h>
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#include <Ticker.h>
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#include <espMqttClient.h>
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#include <mutex>
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#include <map>
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#include <vector>
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class MqttSettingsClass {
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public:
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MqttSettingsClass();
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void init();
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void performReconnect();
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bool getConnected();
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void publish(const String& subtopic, const String& payload);
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void publishGeneric(const String& topic, const String& payload, const bool retain, const uint8_t qos = 0);
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void subscribe(const String& topic, const uint8_t qos, const OnMessageCallback& cb);
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void unsubscribe(const String& topic);
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String getPrefix() const;
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String getClientId() const;
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private:
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void NetworkEvent(network_event event);
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void onMqttDisconnect(espMqttClientTypes::DisconnectReason reason);
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void onMqttConnect(const bool sessionPresent);
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void onMqttMessage(const espMqttClientTypes::MessageProperties& properties, const char* topic, const uint8_t* payload, const size_t len, const size_t index, const size_t total);
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void performConnect();
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void performDisconnect();
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void createMqttClientObject();
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MqttClient* _mqttClient = nullptr;
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Ticker _mqttReconnectTimer;
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std::map<String, std::vector<uint8_t>> _fragments;
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MqttSubscribeParser _mqttSubscribeParser;
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std::mutex _clientLock;
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};
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extern MqttSettingsClass MqttSettings;
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