barrier/lib/synergy/CApp.h

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/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2002 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 COPYING 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.
*/
#pragma once
#include "common.h"
#include "CString.h"
class IArchTaskBarReceiver;
class CBufferedLogOutputter;
class ILogOutputter;
class CFileLogOutputter;
class CScreen;
typedef IArchTaskBarReceiver* (*CreateTaskBarReceiverFunc)(const CBufferedLogOutputter*);
typedef int (*StartupFunc)(int, char**);
class CApp {
public:
class CArgsBase {
public:
CArgsBase();
virtual ~CArgsBase();
bool m_daemon;
bool m_backend;
bool m_restartable;
bool m_noHooks;
const char* m_pname;
const char* m_logFilter;
const char* m_logFile;
const char* m_display;
CString m_name;
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#if SYSAPI_WIN32
bool m_relaunchMode;
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bool m_debugServiceWait;
#endif
};
CApp(CArgsBase* args);
virtual ~CApp();
// Returns args that are common between server and client.
CArgsBase& argsBase() const { return *m_args; }
// Prints the current compiled version.
virtual void version();
// Prints help specific to client or server.
virtual void help() = 0;
// Parse command line arguments.
virtual void parseArgs(int argc, const char* const* argv) = 0;
int run(int argc, char** argv, CreateTaskBarReceiverFunc createTaskBarReceiver);
int daemonMainLoop(int, const char**);
virtual void loadConfig() = 0;
virtual bool loadConfig(const CString& pathname) = 0;
virtual int mainLoop() = 0;
virtual int foregroundStartup(int argc, char** argv) = 0;
virtual int standardStartup(int argc, char** argv) = 0;
virtual int runInner(int argc, char** argv, ILogOutputter* outputter, StartupFunc startup, CreateTaskBarReceiverFunc createTaskBarReceiver) = 0;
// Name of the daemon (used for Unix and Windows).
virtual const char* daemonName() const = 0;
// A description of the daemon (used only on Windows).
virtual const char* daemonInfo() const = 0;
// Function pointer for function to exit immediately.
// TODO: this is old C code - use inheritance to normalize
void (*m_bye)(int);
// Returns true if argv[argi] is equal to name1 or name2.
bool isArg(int argi, int argc, const char* const* argv,
const char* name1, const char* name2,
int minRequiredParameters = 0);
static CApp& instance() { assert(s_instance != nullptr); return *s_instance; }
bool s_suspended;
IArchTaskBarReceiver* s_taskBarReceiver;
// If --log was specified in args, then add a file logger.
void setupFileLogging();
// If messages will be hidden (to improve performance), warn user.
void loggingFilterWarning();
// Parses args, sets up file logging, and loads the config.
void initApp(int argc, const char** argv);
// HACK: accept non-const, but make it const anyway
void initApp(int argc, char** argv) { initApp(argc, (const char**)argv); }
// Start the server or client.
virtual void startNode() = 0;
virtual CScreen* createScreen() = 0;
protected:
virtual void parseArgs(int argc, const char* const* argv, int &i);
virtual bool parseArg(const int& argc, const char* const* argv, int& i);
private:
CArgsBase* m_args;
static CApp* s_instance;
CFileLogOutputter* m_fileLog;
};
#define BYE "\nTry `%s --help' for more information."
#if WINAPI_MSWINDOWS
#define DAEMON_RUNNING(running_) CArchMiscWindows::daemonRunning(running_)
#else
#define DAEMON_RUNNING(running_)
#endif
#define HELP_COMMON_INFO_1 \
" -d, --debug <level> filter out log messages with priorty below level.\n" \
" level may be: FATAL, ERROR, WARNING, NOTE, INFO,\n" \
" DEBUG, DEBUGn (1-5).\n" \
" -n, --name <screen-name> use screen-name instead the hostname to identify\n" \
" this screen in the configuration.\n" \
" -1, --no-restart do not try to restart on failure.\n" \
"* --restart restart the server automatically if it fails.\n" \
" -l --log <file> write log messages to file.\n"
#define HELP_COMMON_INFO_2 \
" -h, --help display this help and exit.\n" \
" --version display version information and exit.\n"
#define HELP_COMMON_ARGS \
" [--name <screen-name>]" \
" [--restart|--no-restart]" \
" [--debug <level>]"
// system args (windows/unix)
#if SYSAPI_UNIX
// unix daemon mode args
# define HELP_SYS_ARGS \
" [--daemon|--no-daemon]"
# define HELP_SYS_INFO \
" -f, --no-daemon run in the foreground.\n" \
"* --daemon run as a daemon.\n"
#elif SYSAPI_WIN32
// windows service management args
# define HELP_SYS_ARGS \
" [--service <action>]"
# define HELP_SYS_INFO \
" --service <action> manage the windows service, valid options are:\n" \
" install/uninstall/start/stop\n" \
" --relaunch persistently relaunches process in current user \n" \
" session (useful for vista and upward).\n"
#endif