aosp12/system/gsid/daemon.cpp

75 lines
2.1 KiB
C++

//
// Copyright (C) 2019 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 <iostream>
#include <string>
#include <android-base/logging.h>
#include <binder/BinderService.h>
#include <binder/IPCThreadState.h>
#include <binder/ProcessState.h>
#include <libgsi/libgsid.h>
#include "gsi_service.h"
using android::ProcessState;
using android::sp;
using namespace std::literals;
static int DumpDeviceMapper() {
auto service = android::gsi::GetGsiService();
if (!service) {
std::cerr << "Could not start IGsiService.\n";
return 1;
}
std::string output;
auto status = service->dumpDeviceMapperDevices(&output);
if (!status.isOk()) {
std::cerr << "Could not dump device-mapper devices: " << status.exceptionMessage().c_str()
<< "\n";
return 1;
}
std::cout << output;
return 0;
}
int main(int argc, char** argv) {
android::base::InitLogging(argv, android::base::LogdLogger(android::base::SYSTEM));
// Create globally readable files.
umask(0022);
if (argc > 1) {
if (argv[1] == "run-startup-tasks"s) {
android::gsi::GsiService::RunStartupTasks();
exit(0);
} else if (argv[1] == "dump-device-mapper"s) {
int rc = DumpDeviceMapper();
exit(rc);
}
}
android::gsi::GsiService::Register();
{
sp<ProcessState> ps(ProcessState::self());
ps->startThreadPool();
ps->giveThreadPoolName();
}
android::IPCThreadState::self()->joinThreadPool();
exit(0);
}