guest/hals/gatekeeper/remote/service.cpp

/*
 * 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.
 */
#define LOG_TAG "android.hardware.gatekeeper@1.0-service.remote"

#include <android-base/logging.h>
#include <android/hardware/gatekeeper/1.0/IGatekeeper.h>
#include <cutils/properties.h>
#include <gflags/gflags.h>

#include <hidl/LegacySupport.h>

#include "common/libs/fs/shared_fd.h"
#include "common/libs/security/gatekeeper_channel.h"
#include "guest/hals/gatekeeper/remote/remote_gatekeeper.h"

// Generated HIDL files
using android::hardware::gatekeeper::V1_0::IGatekeeper;
using gatekeeper::RemoteGateKeeperDevice;

const char device[] = "/dev/hvc4";

int main(int argc, char** argv) {
  ::android::base::InitLogging(argv, ::android::base::KernelLogger);
  gflags::ParseCommandLineFlags(&argc, &argv, true);
  ::android::hardware::configureRpcThreadpool(1, true /* willJoinThreadpool */);

  auto fd = cuttlefish::SharedFD::Open(device, O_RDWR);
  if (!fd->IsOpen()) {
    LOG(FATAL) << "Could not connect to gatekeeper: " << fd->StrError();
  }

  if (fd->SetTerminalRaw() < 0) {
    LOG(FATAL) << "Could not make " << device << " a raw terminal: "
                << fd->StrError();
  }

  cuttlefish::GatekeeperChannel gatekeeperChannel(fd, fd);

  android::sp<RemoteGateKeeperDevice> gatekeeper(
    new RemoteGateKeeperDevice(&gatekeeperChannel));
  auto status = gatekeeper->registerAsService();
  if (status != android::OK) {
    LOG(FATAL) << "Could not register service for Gatekeeper 1.0 (remote) (" << status << ")";
  }

  android::hardware::joinRpcThreadpool();
  return -1;  // Should never get here.
}