mirror of https://github.com/ARMmbed/mbed-os.git
138 lines
3.5 KiB
C++
138 lines
3.5 KiB
C++
/* mbed Microcontroller Library
|
|
* Copyright (c) 2020 ARM Limited
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef EVENTQUEUE_FAKE_H
|
|
#define EVENTQUEUE_FAKE_H
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <functional>
|
|
#include <algorithm>
|
|
#include <vector>
|
|
#include "events/EventQueue.h"
|
|
#include <chrono>
|
|
#include <mstd_tuple>
|
|
|
|
namespace events {
|
|
|
|
typedef int handle_t;
|
|
typedef std::function<void()> function_t;
|
|
typedef unsigned tick_t;
|
|
|
|
class EventQueue {
|
|
using duration = std::chrono::duration<int, std::milli>;
|
|
|
|
public:
|
|
EventQueue(unsigned size = 0, unsigned char *buffer = NULL) { delete buffer; };
|
|
|
|
~EventQueue() { };
|
|
|
|
/** This will advence time by given amount of milliseonds and then dispatch all events that were set to happen in that time.
|
|
*
|
|
* @param ms number of miliseconds to advance time
|
|
*/
|
|
void dispatch(int milliseconds = -1) {
|
|
if (milliseconds > 0) {
|
|
process_events(milliseconds);
|
|
} else {
|
|
_now = (tick_t)-1;
|
|
process_events();
|
|
_now = 0;
|
|
}
|
|
};
|
|
|
|
tick_t tick() {
|
|
return _now;
|
|
};
|
|
|
|
bool cancel(handle_t id) {
|
|
return cancel_handler(id);
|
|
};
|
|
|
|
/** Get number of events in queue.
|
|
*
|
|
* @return Number of events waiting in the queue.
|
|
*/
|
|
size_t size() const {
|
|
return _handlers.size();
|
|
}
|
|
|
|
template<typename F, typename ... ArgTs>
|
|
handle_t call(F f, ArgTs... args) {
|
|
return call_handler(
|
|
[f, args = mstd::make_tuple(args...)]() {
|
|
mstd::apply(f, args);
|
|
}
|
|
);
|
|
}
|
|
|
|
template<typename F, typename ... ArgTs>
|
|
handle_t call_in(duration ms, F f, ArgTs... args) {
|
|
return call_handler_in(
|
|
ms.count(),
|
|
[f, args = mstd::make_tuple(args...)]() {
|
|
mstd::apply(f, args);
|
|
}
|
|
);
|
|
}
|
|
|
|
template <typename T, typename R, typename... ArgTs>
|
|
int call(T *obj, R(T::*method)(ArgTs...), ArgTs... args) {
|
|
return call_handler(
|
|
[obj, method, args = mstd::make_tuple(args...)]() {
|
|
mstd::apply(method, obj, args);
|
|
}
|
|
);
|
|
}
|
|
|
|
template <typename T, typename R, typename... ArgTs>
|
|
int call_in(duration ms, T *obj, R(T::*method)(ArgTs...), ArgTs... args) {
|
|
return call_handler_in(
|
|
ms.count(),
|
|
[obj, method, args = mstd::make_tuple(args...)]() {
|
|
mstd::apply(method, obj, args);
|
|
}
|
|
);
|
|
}
|
|
|
|
private:
|
|
handle_t call_handler(function_t handler);
|
|
|
|
handle_t call_handler_in(tick_t ms, function_t handler);
|
|
|
|
bool cancel_handler(handle_t handle);
|
|
|
|
void process_events(tick_t duration_ms);
|
|
|
|
void process_events();
|
|
|
|
private:
|
|
struct internal_event {
|
|
std::unique_ptr<function_t> handler;
|
|
tick_t tick;
|
|
handle_t handle;
|
|
};
|
|
|
|
std::vector<internal_event> _handlers;
|
|
tick_t _now = 0;
|
|
handle_t _handler_id = 0;
|
|
};
|
|
|
|
}
|
|
|
|
#endif //EVENTQUEUE_FAKE_H
|