text: // Copyright (c) 2012 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 "chromeos/dbus/services/liveness_service_provider.h"
  
  #include "base/bind.h"
  #include "dbus/bus.h"
  #include "dbus/message.h"
  #include "third_party/cros_system_api/dbus/service_constants.h"
  
  namespace chromeos {
  
  LivenessServiceProvider::LivenessServiceProvider() : weak_ptr_factory_(this) {}
  
  LivenessServiceProvider::~LivenessServiceProvider() = default;
  
  void LivenessServiceProvider::Start(
      scoped_refptr<dbus::ExportedObject> exported_object) {
    exported_object->ExportMethod(
        kLivenessServiceInterface, kLivenessServiceCheckLivenessMethod,
        base::Bind(&LivenessServiceProvider::CheckLiveness,
                   weak_ptr_factory_.GetWeakPtr()),
        base::Bind(&LivenessServiceProvider::OnExported,
                   weak_ptr_factory_.GetWeakPtr()));
  }
  
  void LivenessServiceProvider::OnExported(const std::string& interface_name,
                                           const std::string& method_name,
                                           bool success) {
    if (!success) {
      LOG(ERROR) << "Failed to export " << interface_name << "."
                 << method_name;
    }
  }
  
  void LivenessServiceProvider::CheckLiveness(
      dbus::MethodCall* method_call,
      dbus::ExportedObject::ResponseSender response_sender) {
    response_sender.Run(dbus::Response::FromMethodCall(method_call));
  }
  
  }  // namespace chromeos
  