mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
// Copyright 2021 Google LLC
|
|
//
|
|
// 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
|
|
//
|
|
// https://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.
|
|
|
|
#include "internal/test/fake_timer.h"
|
|
|
|
#include <functional>
|
|
#include <future> // NOLINT
|
|
#include <string>
|
|
#include <thread> // NOLINT
|
|
#include <utility>
|
|
|
|
#include "absl/time/clock.h"
|
|
#include "absl/time/time.h"
|
|
|
|
namespace nearby {
|
|
|
|
FakeTimer::FakeTimer(FakeClock* clock) : clock_(clock) {
|
|
id_ = std::to_string(absl::ToUnixNanos(absl::Now()));
|
|
clock_->AddObserver(id_, [this]() { ClockUpdated(); });
|
|
}
|
|
|
|
FakeTimer::~FakeTimer() { clock_->RemoveObserver(id_); }
|
|
|
|
bool FakeTimer::Start(int delay, int period,
|
|
absl::AnyInvocable<void()> callback) {
|
|
if (is_started_ || delay < 0 || period < 0) {
|
|
return false;
|
|
}
|
|
delay_ = delay;
|
|
period_ = period;
|
|
callback_ = std::move(callback);
|
|
start_time_ = clock_->Now();
|
|
fired_count_ = 0;
|
|
is_started_ = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool FakeTimer::Stop() {
|
|
is_started_ = false;
|
|
return true;
|
|
}
|
|
|
|
bool FakeTimer::IsRunning() { return is_started_; }
|
|
|
|
void FakeTimer::ClockUpdated() {
|
|
if (!is_started_) {
|
|
return;
|
|
}
|
|
|
|
absl::Time now = clock_->Now();
|
|
int64_t duration = absl::ToInt64Milliseconds(now - start_time_);
|
|
FakeClock* clock = clock_;
|
|
|
|
if (duration >= delay_ && fired_count_ == 0) {
|
|
++fired_count_;
|
|
if (callback_ != nullptr) {
|
|
callback_();
|
|
}
|
|
}
|
|
|
|
if (period_ == 0 || duration < delay_ ||
|
|
((clock_ != nullptr) && (clock_ != clock))) {
|
|
return;
|
|
}
|
|
|
|
int count = (duration - delay_) / period_;
|
|
int should_fire_count = count - fired_count_ + 1;
|
|
for (int i = 0; i < should_fire_count; ++i) {
|
|
++fired_count_;
|
|
if (callback_ != nullptr) {
|
|
callback_();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool FakeTimer::FireNow() {
|
|
if (IsRunning() && callback_) {
|
|
callback_();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
} // namespace nearby
|