86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/**
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* Copyright (c) 2020, The Android Open Source Project
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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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* http://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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*/
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#define LOG_TAG "carpowerpolicyd"
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#include "CarPowerPolicyServer.h"
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#include <android-base/result.h>
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#include <binder/IPCThreadState.h>
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#include <binder/ProcessState.h>
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#include <log/log.h>
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#include <utils/Looper.h>
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#include <utils/StrongPointer.h>
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#include <signal.h>
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using android::IPCThreadState;
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using android::Looper;
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using android::ProcessState;
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using android::sp;
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using android::frameworks::automotive::powerpolicy::CarPowerPolicyServer;
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namespace {
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const size_t kMaxBinderThreadCount = 2;
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void sigHandler(int sig) {
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IPCThreadState::self()->stopProcess();
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CarPowerPolicyServer::terminateService();
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ALOGW("powerpolicy daemon terminated on receiving signal %d.", sig);
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exit(1);
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}
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void registerSigHandler() {
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struct sigaction sa;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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sa.sa_handler = sigHandler;
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sigaction(SIGQUIT, &sa, nullptr);
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sigaction(SIGTERM, &sa, nullptr);
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}
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} // namespace
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int main(int /*argc*/, char** /*argv*/) {
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registerSigHandler();
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// Set up the binder
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sp<ProcessState> ps(ProcessState::self());
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ps->setThreadPoolMaxThreadCount(kMaxBinderThreadCount);
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ps->startThreadPool();
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ps->giveThreadPoolName();
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IPCThreadState::self()->disableBackgroundScheduling(true);
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// Set up the looper
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sp<Looper> looper(Looper::prepare(/*opts=*/0));
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// Start the services
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auto result = CarPowerPolicyServer::startService(looper);
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if (!result.ok()) {
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ALOGE("Failed to start service: %s", result.error().message().c_str());
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CarPowerPolicyServer::terminateService();
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exit(result.error().code());
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}
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while (true) {
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looper->pollAll(/*timeoutMillis=*/-1);
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}
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ALOGW("Car power policy server escaped from its loop.");
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return 0;
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}
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