Rune Harlyk
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#pragma once
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#include <event_bus/typed_event_bus.h>
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#include <event_bus/event_registry.h>
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#include <event_bus/event_metadata.h>
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#include <esp_timer.h>
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#include <atomic>
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class EventBus {
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public:
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template <typename Msg>
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using Bus = TypedEventBus<Msg, EventBusConfig<Msg>::QueueDepth, EventBusConfig<Msg>::MaxSubs,
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EventBusConfig<Msg>::BatchSize>;
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template <typename Msg>
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using Handle = typename Bus<Msg>::Handle;
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template <typename Msg>
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static bool publish(const Msg& msg, const char* source = nullptr) {
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if (_hasGlobalListeners.load(std::memory_order_acquire)) {
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notifyGlobalListeners(msg, source);
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}
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return Bus<Msg>::publish(msg);
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}
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template <typename Msg, typename Callback>
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static auto subscribe(Callback&& callback) {
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return Bus<Msg>::subscribe(std::forward<Callback>(callback));
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}
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template <typename Msg, typename Callback>
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static auto subscribe(uint32_t intervalMs, Callback&& callback) {
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return Bus<Msg>::subscribe(intervalMs, std::forward<Callback>(callback));
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}
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template <typename Msg>
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static void publishISR(const Msg& msg, BaseType_t* higherPriorityTaskWoken = nullptr) {
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Bus<Msg>::publishISR(msg, higherPriorityTaskWoken);
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}
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template <typename Msg>
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static bool peek(Msg& out) {
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return Bus<Msg>::peek(out);
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}
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template <typename Msg>
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static bool take(Msg& out) {
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return Bus<Msg>::take(out);
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}
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template <typename Msg>
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static bool hasSubscribers() {
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return Bus<Msg>::hasSubscribers();
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}
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using GlobalHandler = FixedFn<void(EventType, const void*, size_t, uint64_t), 64>;
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static size_t subscribeGlobal(GlobalHandler&& handler);
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static void unsubscribeGlobal(size_t id);
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private:
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static std::atomic<bool> _hasGlobalListeners;
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template <typename Msg>
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static void notifyGlobalListeners(const Msg& msg, const char* source);
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};
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