barrier/src/lib/platform/MSWindowsWatchdog.h

93 lines
3.1 KiB
C++

/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2009 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "platform/MSWindowsSession.h"
#include "barrier/XBarrier.h"
#include "arch/IArchMultithread.h"
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <string>
#include <list>
class Thread;
class IpcLogOutputter;
class IpcServer;
class FileLogOutputter;
class MSWindowsWatchdog {
public:
MSWindowsWatchdog(
bool daemonized,
bool autoDetectCommand,
IpcServer& ipcServer,
IpcLogOutputter& ipcLogOutputter);
void startAsync();
std::string getCommand() const;
void setCommand(const std::string& command, bool elevate);
void stop();
bool isProcessActive();
void setFileLogOutputter(FileLogOutputter* outputter);
private:
void mainLoop(void*);
void outputLoop(void*);
void shutdownProcess(HANDLE handle, DWORD pid, int timeout);
void shutdownExistingProcesses();
HANDLE duplicateProcessToken(HANDLE process, LPSECURITY_ATTRIBUTES security);
HANDLE getUserToken(LPSECURITY_ATTRIBUTES security);
void startProcess();
BOOL doStartProcessAsUser(String& command, HANDLE userToken, LPSECURITY_ATTRIBUTES sa);
BOOL doStartProcessAsSelf(String& command);
private:
Thread* m_thread;
bool m_autoDetectCommand;
std::string m_command;
bool m_monitoring;
bool m_commandChanged;
HANDLE m_stdOutWrite;
HANDLE m_stdOutRead;
Thread* m_outputThread;
IpcServer& m_ipcServer;
IpcLogOutputter& m_ipcLogOutputter;
bool m_elevateProcess;
MSWindowsSession m_session;
PROCESS_INFORMATION m_processInfo;
int m_processFailures;
bool m_processRunning;
FileLogOutputter* m_fileLogOutputter;
bool m_autoElevated;
bool m_daemonized;
};
//! Relauncher error
/*!
An error occured in the process watchdog.
*/
class XMSWindowsWatchdogError : public XBarrier {
public:
XMSWindowsWatchdogError(const String& msg) : XBarrier(msg) { }
// XBase overrides
virtual String getWhat() const throw() { return what(); }
};