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64 lines
2.2 KiB
64 lines
2.2 KiB
//
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// Copyright (C) 2015 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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#ifndef UPDATE_ENGINE_CROS_DAEMON_CHROMEOS_H_
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#define UPDATE_ENGINE_CROS_DAEMON_CHROMEOS_H_
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#include <memory>
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#include "update_engine/common/daemon_base.h"
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#include "update_engine/common/daemon_state_interface.h"
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#include "update_engine/common/subprocess.h"
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#include "update_engine/cros/dbus_service.h"
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#include "update_engine/cros/real_system_state.h"
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namespace chromeos_update_engine {
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class DaemonChromeOS : public DaemonBase {
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public:
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DaemonChromeOS() = default;
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protected:
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int OnInit() override;
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private:
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// Run from the main loop when the |dbus_adaptor_| object is registered. At
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// this point we can request ownership of the DBus service name and continue
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// initialization.
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void OnDBusRegistered(bool succeeded);
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// |SystemState| is a global context, but we can't have a static singleton of
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// its object because the style guide does not allow that (it has non-trivial
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// dtor). We need an instance of |SystemState| in this class instead and have
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// a global pointer to it. This is better to be defined as the first variable
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// of this class so it is initialized first and destructed last.
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RealSystemState system_state_;
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// Main D-Bus service adaptor.
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std::unique_ptr<UpdateEngineAdaptor> dbus_adaptor_;
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// The Subprocess singleton class requires a brillo::MessageLoop in the
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// current thread, so we need to initialize it from this class instead of
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// the main() function.
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Subprocess subprocess_;
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DISALLOW_COPY_AND_ASSIGN(DaemonChromeOS);
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};
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} // namespace chromeos_update_engine
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#endif // UPDATE_ENGINE_CROS_DAEMON_CHROMEOS_H_
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