remoting/host/desktop_process_main.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // This file implements the Windows service controlling Me2Me host processes
   6 // running within user sessions.
   7
   8 #include "base/bind.h"
   9 #include "base/bind_helpers.h"
  10 #include "base/command_line.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "base/run_loop.h"
  14 #include "remoting/base/auto_thread.h"
  15 #include "remoting/base/auto_thread_task_runner.h"
  16 #include "remoting/host/desktop_process.h"
  17 #include "remoting/host/host_exit_codes.h"
  18 #include "remoting/host/host_main.h"
  19 #include "remoting/host/ipc_constants.h"
  20 #include "remoting/host/me2me_desktop_environment.h"
  21 #include "remoting/host/win/session_desktop_environment.h"
  22
  23 namespace remoting {
  24
  25 int DesktopProcessMain() {
  26   const base::CommandLine* command_line =
  27       base::CommandLine::ForCurrentProcess();
  28   std::string channel_name =
  29       command_line->GetSwitchValueASCII(kDaemonPipeSwitchName);
  30
  31   if (channel_name.empty())
  32     return kUsageExitCode;
  33
  34   base::MessageLoopForUI message_loop;
  35   base::RunLoop run_loop;
  36   scoped_refptr<AutoThreadTaskRunner> ui_task_runner =
  37       new AutoThreadTaskRunner(message_loop.task_runner(),
  38                                run_loop.QuitClosure());
  39
  40   // Launch the input thread.
  41   scoped_refptr<AutoThreadTaskRunner> input_task_runner =
  42       AutoThread::CreateWithType(
  43           "Input thread", ui_task_runner, base::MessageLoop::TYPE_IO);
  44
  45   DesktopProcess desktop_process(ui_task_runner,
  46                                  input_task_runner,
  47                                  channel_name);
  48
  49   // Create a platform-dependent environment factory.
  50   scoped_ptr<DesktopEnvironmentFactory> desktop_environment_factory;
  51 #if defined(OS_WIN)
  52   desktop_environment_factory.reset(
  53       new SessionDesktopEnvironmentFactory(
  54           ui_task_runner,
  55           input_task_runner,
  56           ui_task_runner,
  57           base::Bind(&DesktopProcess::InjectSas,
  58                      desktop_process.AsWeakPtr())));
  59 #else  // !defined(OS_WIN)
  60   desktop_environment_factory.reset(new Me2MeDesktopEnvironmentFactory(
  61       ui_task_runner,
  62       input_task_runner,
  63       ui_task_runner));
  64 #endif  // !defined(OS_WIN)
  65
  66   if (!desktop_process.Start(desktop_environment_factory.Pass()))
  67     return kInitializationFailed;
  68
  69   // Run the UI message loop.
  70   ui_task_runner = nullptr;
  71   run_loop.Run();
  72
  73   return kSuccessExitCode;
  74 }
  75
  76 }  // namespace remoting
  77
  78 #if !defined(OS_WIN)
  79 int main(int argc, char** argv) {
  80   return remoting::HostMain(argc, argv);
  81 }
  82 #endif  // !defined(OS_WIN)