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75 lines
2.3 KiB
75 lines
2.3 KiB
//
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// Copyright 2015 Google, Inc.
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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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#pragma once
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#include <base/macros.h>
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#include "abstract_message_loop.h"
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namespace ipc {
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class IPCManager;
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} // namespace ipc
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namespace bluetooth {
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class CoreStack;
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class Settings;
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// The Daemon class is a singleton that represents the root of the ownership
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// hierarchy. The single instance sets up and owns the main event loop, the IPC
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// handlers, global Settings, and the core Bluetooth stack.
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class Daemon {
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public:
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// Initializes the daemon. This must be called to at the start of the
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// application to set up the global daemon instance and everything it manages.
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// Returns false in case of a failure.
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static bool Initialize();
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// Cleans up all the resources associated with the global Daemon object.
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static void ShutDown();
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// Assigns the global Daemon instance for testing. Should only be called from
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// test code.
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static void InitializeForTesting(Daemon* test_daemon);
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// Returns the singleton Daemon instance. All classes can interact with the
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// Daemon, obtain its resources etc using this getter.
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static Daemon* Get();
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// The global Settings object. All classes have direct access to this through
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// the Daemon object.
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virtual Settings* GetSettings() const = 0;
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// The main event loop. This should be used for any events and delayed tasks
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// that should be executed on the daemon's main thread.
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virtual btbase::AbstractMessageLoop* GetMessageLoop() const = 0;
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// Starts the daemon's main loop.
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virtual void StartMainLoop() = 0;
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protected:
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Daemon() = default;
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virtual ~Daemon() = default;
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private:
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// Internal instance helper called by Initialize().
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virtual bool Init() = 0;
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DISALLOW_COPY_AND_ASSIGN(Daemon);
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};
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} // namespace bluetooth
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