Introducing the DaemonProcess class that will implements core of the daemon process functionality. …

remoting/host/daemon_process.h

+// 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,
+      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,
+                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_;
+
+  // A dedicated thread for handling IPC requests.
+  scoped_ptr<base::Thread> ipc_thread_;
+
+  // 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_