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59 lines
1.4 KiB
59 lines
1.4 KiB
/*
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BROKER MODULE
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Copyright (C) 2017-2019 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if BROKER_SUPPORT
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#pragma once
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#include <functional>
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#include <vector>
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#include <utility>
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enum class TBrokerType {
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SYSTEM,
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STATUS,
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SENSOR_READ,
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SENSOR_REPORT,
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DATETIME,
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CONFIG
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};
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template <typename... TArgs>
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using TBrokerCallback = std::function<void(TArgs...)>;
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template <typename... TArgs>
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using TBrokerCallbacks = std::vector<TBrokerCallback<TArgs...>>;
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template <TBrokerType type, typename... TArgs>
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struct TBroker {
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static TBrokerCallbacks<TArgs...> callbacks;
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static void Register(TBrokerCallback<TArgs...> callback) {
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callbacks.push_back(callback);
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}
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static void Publish(TArgs... args) {
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for (auto& callback : callbacks) {
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callback(args...);
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}
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}
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};
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template <TBrokerType type, typename... TArgs>
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TBrokerCallbacks<TArgs...> TBroker<type, TArgs...>::callbacks;
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// --- Some known types. Bind them here to avoid .ino screwing with order ---
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using StatusBroker = TBroker<TBrokerType::STATUS, const String&, unsigned char, unsigned int>;
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using SensorReadBroker = TBroker<TBrokerType::SENSOR_READ, const String&, unsigned char, double, const char*>;
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using SensorReportBroker = TBroker<TBrokerType::SENSOR_REPORT, const String&, unsigned char, double, const char*>;
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using ConfigBroker = TBroker<TBrokerType::CONFIG, const String&, const String&>;
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#endif // BROKER_SUPPORT
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