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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.
#include "remoting/host/desktop_session_win.h"
#include "base/path_service.h"
#include "base/single_thread_task_runner.h"
#include "remoting/host/daemon_process.h"
#include "remoting/host/win/worker_process_launcher.h"
#include "remoting/host/win/wts_console_monitor.h"
#include "remoting/host/win/wts_session_process_delegate.h"
namespace {
const FilePath::CharType kDesktopBinaryName[] =
FILE_PATH_LITERAL("remoting_desktop.exe");
// The security descriptor of the daemon IPC endpoint. It gives full access
// to LocalSystem and denies access by anyone else.
const char kDaemonIpcSecurityDescriptor[] = "O:SYG:SYD:(A;;GA;;;SY)";
} // namespace
namespace remoting {
DesktopSessionWin::DesktopSessionWin(
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
DaemonProcess* daemon_process,
int id,
WtsConsoleMonitor* monitor)
: DesktopSession(daemon_process, id),
main_task_runner_(main_task_runner),
io_task_runner_(io_task_runner),
monitor_(monitor) {
DCHECK(main_task_runner_->BelongsToCurrentThread());
monitor_->AddWtsConsoleObserver(this);
}
DesktopSessionWin::~DesktopSessionWin() {
DCHECK(main_task_runner_->BelongsToCurrentThread());
launcher_.reset();
monitor_->RemoveWtsConsoleObserver(this);
}
void DesktopSessionWin::OnChannelConnected() {
DCHECK(main_task_runner_->BelongsToCurrentThread());
}
bool DesktopSessionWin::OnMessageReceived(const IPC::Message& message) {
DCHECK(main_task_runner_->BelongsToCurrentThread());
// TODO(alexeypa): Process ChromotingDesktopHostMsg_Initialized messages here.
// See http://crbug.com/134694.
return false;
}
void DesktopSessionWin::OnPermanentError() {
DCHECK(main_task_runner_->BelongsToCurrentThread());
launcher_.reset();
// This call will delete |this| so it should be at the very end of the method.
daemon_process()->CloseDesktopSession(id());
}
void DesktopSessionWin::OnSessionAttached(uint32 session_id) {
DCHECK(main_task_runner_->BelongsToCurrentThread());
DCHECK(launcher_.get() == NULL);
// Construct the host binary name.
if (desktop_binary_.empty()) {
FilePath dir_path;
if (!PathService::Get(base::DIR_EXE, &dir_path)) {
LOG(ERROR) << "Failed to get the executable file name.";
OnPermanentError();
return;
}
desktop_binary_ = dir_path.Append(kDesktopBinaryName);
}
// Create a delegate to launch a process into the session.
scoped_ptr<WtsSessionProcessDelegate> delegate(
new WtsSessionProcessDelegate(main_task_runner_, io_task_runner_,
desktop_binary_, session_id,
true, kDaemonIpcSecurityDescriptor));
// Create a launcher for the desktop process, using the per-session delegate.
launcher_.reset(new WorkerProcessLauncher(
main_task_runner_, delegate.Pass(), this));
}
void DesktopSessionWin::OnSessionDetached() {
DCHECK(main_task_runner_->BelongsToCurrentThread());
DCHECK(launcher_.get() != NULL);
launcher_.reset();
}
} // namespace remoting
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