65407dbdd6
* update mqtt subscriptions when topic was changed * DPL/Huawei: manage MQTT subscriptions in map --------- Co-authored-by: Bernhard Kirchen <schlimmchen@posteo.net>
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "Configuration.h"
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#include <Huawei_can.h>
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#include <espMqttClient.h>
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#include <TaskSchedulerDeclarations.h>
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#include <mutex>
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#include <deque>
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#include <functional>
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#include <frozen/map.h>
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#include <frozen/string.h>
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class MqttHandleHuaweiClass {
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public:
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void init(Scheduler& scheduler);
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void forceUpdate();
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void subscribeTopics();
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void unsubscribeTopics();
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private:
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void loop();
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enum class Topic : unsigned {
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LimitOnlineVoltage,
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LimitOnlineCurrent,
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LimitOfflineVoltage,
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LimitOfflineCurrent,
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Mode
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};
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static constexpr frozen::string _cmdtopic = "huawei/cmd/";
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static constexpr frozen::map<frozen::string, Topic, 5> _subscriptions = {
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{ "limit_online_voltage", Topic::LimitOnlineVoltage },
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{ "limit_online_current", Topic::LimitOnlineCurrent },
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{ "limit_offline_voltage", Topic::LimitOfflineVoltage },
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{ "limit_offline_current", Topic::LimitOfflineCurrent },
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{ "mode", Topic::Mode },
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};
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void onMqttMessage(Topic t,
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const espMqttClientTypes::MessageProperties& properties,
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const char* topic, const uint8_t* payload, size_t len,
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size_t index, size_t total);
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Task _loopTask;
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uint32_t _lastPublishStats;
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uint32_t _lastPublish;
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// MQTT callbacks to process updates on subscribed topics are executed in
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// the MQTT thread's context. we use this queue to switch processing the
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// user requests into the main loop's context (TaskScheduler context).
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mutable std::mutex _mqttMutex;
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std::deque<std::function<void()>> _mqttCallbacks;
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};
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extern MqttHandleHuaweiClass MqttHandleHuawei; |