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// 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.
#ifndef REMOTING_HOST_DAEMON_PROCESS_H_
#define REMOTING_HOST_DAEMON_PROCESS_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "ipc/ipc_channel.h"
#include "ipc/ipc_channel_proxy.h"
#include "remoting/base/stoppable.h"
namespace base {
class SingleThreadTaskRunner;
class Thread;
} // namespace base
namespace IPC {
class Message;
} // namespace IPC
namespace remoting {
// This class implements core of the daemon process. It manages the networking
// process running at lower privileges and maintains the list of virtual
// terminals.
class DaemonProcess : public Stoppable, public IPC::Listener {
public:
virtual ~DaemonProcess();
// Creates a platform-specific implementation of the daemon process object.
static scoped_ptr<DaemonProcess> Create(
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
const base::Closure& stopped_callback);
// IPC::Listener implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
protected:
DaemonProcess(scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
const base::Closure& stopped_callback);
// Reads the host configuration and launches the networking process.
void Init();
// Stoppable implementation.
virtual void DoStop() OVERRIDE;
// Launches the network process and establishes an IPC channel with it.
virtual bool LaunchNetworkProcess() = 0;
private:
// The main task runner. Typically it is the UI message loop.
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
// Handles IPC and background I/O tasks.
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
// The IPC channel connecting the daemon process to the networking process.
scoped_ptr<IPC::ChannelProxy> network_process_channel_;
DISALLOW_COPY_AND_ASSIGN(DaemonProcess);
};
} // namespace remoting
#endif // REMOTING_HOST_DAEMON_PROCESS_H_
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