// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "minibind.h"

#include "channel.h"
#include "command.h"
#include "common.h"
#include "parcel.h"

namespace minibind {

namespace {

Channel* GetServiceManager() {
  static Channel* service_manager = nullptr;
  if (!service_manager) {
    service_manager = new Channel(0);

    Parcel in, out;
    service_manager->Call(Channel::PING_TRANSACTION, in, &out);
    service_manager->reader()->Print();
  }

  return service_manager;
}

}  // namespace

Channel* LookupService(const std::string& name) {
  Parcel data;
  data.WriteInterfaceToken("android.os.IServiceManager");
  data.WriteUTF8(name);

  Parcel reply;

  Channel* channel = GetServiceManager();
  channel->Call(2 /*CHECK_SERVICE_TRANSACTION*/, data, &reply);

  channel->reader()->Print();

  uint32_t cmd = 0;
  CHECK(channel->reader()->ReadUInt32(&cmd));
  ALOG("Got command: %x (dec %d %u)", cmd, cmd, cmd);
  CHECK(channel->reader()->ReadUInt32(&cmd));
  ALOG("Got command: %x (dec %d %u)", cmd, cmd, cmd);
}

}  // namespace minibind