mirror of
https://github.com/kidfromjupiter/nearby.git
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102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
// Copyright 2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal/platform/implementation/windows/timer.h"
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#include <functional>
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#include <memory>
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#include "internal/platform/logging.h"
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namespace nearby {
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namespace windows {
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Timer::~Timer() { Stop(); }
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bool Timer::Create(int delay, int interval, std::function<void()> callback) {
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if ((delay < 0) || (interval < 0)) {
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NEARBY_LOGS(WARNING) << "Delay and interval shouldn\'t be negative value.";
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return false;
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}
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if (timer_queue_handle_ != nullptr) {
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return false;
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}
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timer_queue_handle_ = CreateTimerQueue();
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if (timer_queue_handle_ == nullptr) {
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NEARBY_LOGS(ERROR) << "Failed to create timer queue.";
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return false;
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}
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delay_ = delay;
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interval_ = interval;
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callback_ = std::move(callback);
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if (!CreateTimerQueueTimer(&handle_, timer_queue_handle_,
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static_cast<WAITORTIMERCALLBACK>(TimerRoutine),
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&callback_, delay, interval, WT_EXECUTEDEFAULT)) {
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if (!DeleteTimerQueueEx(timer_queue_handle_, nullptr)) {
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NEARBY_LOGS(ERROR) << "Failed to create timer in timer queue.";
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}
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timer_queue_handle_ = nullptr;
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return false;
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}
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return true;
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}
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bool Timer::Stop() {
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if (timer_queue_handle_ == nullptr) {
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return true;
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}
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if (!DeleteTimerQueueTimer(timer_queue_handle_, handle_, nullptr)) {
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if (GetLastError() != ERROR_IO_PENDING) {
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NEARBY_LOGS(ERROR) << "Failed to delete timer from timer queue.";
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return false;
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}
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}
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handle_ = nullptr;
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if (!DeleteTimerQueueEx(timer_queue_handle_, nullptr)) {
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NEARBY_LOGS(ERROR) << "Failed to delete timer queue.";
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return false;
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}
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timer_queue_handle_ = nullptr;
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return true;
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}
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bool Timer::FireNow() {
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if (!timer_queue_handle_ || !callback_) {
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return false;
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}
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callback_();
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return true;
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}
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void CALLBACK Timer::TimerRoutine(PVOID lpParam, BOOLEAN TimerOrWaitFired) {
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std::function<void()>* callback =
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reinterpret_cast<std::function<void()>*>(lpParam);
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if (*callback != NULL) {
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(*callback)();
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}
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}
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} // namespace windows
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} // namespace nearby
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