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/*
* Copyright (C) 2020 The Android Open Source Project
*
* 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.
*/
#include "AnrTracker.h"
namespace android::inputdispatcher {
template <typename T>
static T max(const T& a, const T& b) {
return a < b ? b : a;
}
void AnrTracker::insert(nsecs_t timeoutTime, sp<IBinder> token) {
mAnrTimeouts.insert(std::make_pair(timeoutTime, std::move(token)));
}
/**
* Erase a single entry only. If there are multiple duplicate entries
* (same time, same connection), then only remove one of them.
*/
void AnrTracker::erase(nsecs_t timeoutTime, const sp<IBinder>& token) {
auto pair = std::make_pair(timeoutTime, token);
auto it = mAnrTimeouts.find(pair);
if (it != mAnrTimeouts.end()) {
mAnrTimeouts.erase(it);
}
}
void AnrTracker::eraseToken(const sp<IBinder>& token) {
for (auto it = mAnrTimeouts.begin(); it != mAnrTimeouts.end();) {
if (it->second == token) {
it = mAnrTimeouts.erase(it);
} else {
++it;
}
}
}
bool AnrTracker::empty() const {
return mAnrTimeouts.empty();
}
// If empty() is false, return the time at which the next connection should cause an ANR
// If empty() is true, return LLONG_MAX
nsecs_t AnrTracker::firstTimeout() const {
if (mAnrTimeouts.empty()) {
return std::numeric_limits<nsecs_t>::max();
}
return mAnrTimeouts.begin()->first;
}
const sp<IBinder>& AnrTracker::firstToken() const {
return mAnrTimeouts.begin()->second;
}
void AnrTracker::clear() {
mAnrTimeouts.clear();
}
} // namespace android::inputdispatcher
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