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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* 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 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 "ipc/IpcClient.h"
#include "barrier/IApp.h"
#include "base/String.h"
#include "base/Log.h"
#include "base/EventQueue.h"
#include "net/SocketMultiplexer.h"
#include "common/common.h"
#include <memory>
#if SYSAPI_WIN32
#include "barrier/win32/AppUtilWindows.h"
#elif SYSAPI_UNIX
#include "barrier/unix/AppUtilUnix.h"
#endif
class IArchTaskBarReceiver;
class BufferedLogOutputter;
class ILogOutputter;
class FileLogOutputter;
namespace barrier { class Screen; }
class IEventQueue;
class SocketMultiplexer;
typedef IArchTaskBarReceiver* (*CreateTaskBarReceiverFunc)(const BufferedLogOutputter*, IEventQueue* events);
class App : public IApp {
public:
App(IEventQueue* events, CreateTaskBarReceiverFunc createTaskBarReceiver, ArgsBase* args);
virtual ~App();
// Returns args that are common between server and client.
ArgsBase& 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);
int daemonMainLoop(int, const char**);
virtual void loadConfig() = 0;
virtual bool loadConfig(const String& pathname) = 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);
static App& instance() { assert(s_instance != nullptr); return *s_instance; }
// 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); }
ARCH_APP_UTIL& appUtil() { return m_appUtil; }
virtual IArchTaskBarReceiver* taskBarReceiver() const { return m_taskBarReceiver; }
virtual void setByeFunc(void(*bye)(int)) { m_bye = bye; }
virtual void bye(int error) { m_bye(error); }
virtual IEventQueue* getEvents() const { return m_events; }
void setSocketMultiplexer(std::unique_ptr<SocketMultiplexer>&& sm) { m_socketMultiplexer = std::move(sm); }
SocketMultiplexer* getSocketMultiplexer() const { return m_socketMultiplexer.get(); }
void setEvents(EventQueue& events) { m_events = &events; }
private:
void handleIpcMessage(const Event&, void*);
protected:
void initIpcClient();
void cleanupIpcClient();
void runEventsLoop(void*);
IArchTaskBarReceiver* m_taskBarReceiver;
bool m_suspended;
IEventQueue* m_events;
private:
ArgsBase* m_args;
static App* s_instance;
FileLogOutputter* m_fileLog;
CreateTaskBarReceiverFunc m_createTaskBarReceiver;
ARCH_APP_UTIL m_appUtil;
IpcClient* m_ipcClient;
std::unique_ptr<SocketMultiplexer> m_socketMultiplexer;
};
class MinimalApp : public App {
public:
MinimalApp();
virtual ~MinimalApp();
// IApp overrides
virtual int standardStartup(int argc, char** argv);
virtual int runInner(int argc, char** argv, ILogOutputter* outputter, StartupFunc startup);
virtual void startNode();
virtual int mainLoop();
virtual int foregroundStartup(int argc, char** argv);
virtual barrier::Screen*
createScreen();
virtual void loadConfig();
virtual bool loadConfig(const String& pathname);
virtual const char* daemonInfo() const;
virtual const char* daemonName() const;
virtual void parseArgs(int argc, const char* const* argv);
private:
Arch m_arch;
Log m_log;
EventQueue m_events;
};
#if WINAPI_MSWINDOWS
#define DAEMON_RUNNING(running_) ArchMiscWindows::daemonRunning(running_)
#else
#define DAEMON_RUNNING(running_)
#endif
#define HELP_COMMON_INFO_1 \
" -d, --debug <level> filter out log messages with priority below level.\n" \
" level may be: FATAL, ERROR, WARNING, NOTE, INFO,\n" \
" DEBUG, DEBUG1, DEBUG2.\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" \
" --no-tray disable the system tray icon.\n" \
" --enable-drag-drop enable file drag & drop.\n" \
" --enable-crypto enable the crypto (ssl) plugin.\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 args
# define HELP_SYS_ARGS \
" [--service <action>] [--relaunch] [--exit-pause]"
# 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" \
" --exit-pause wait for key press on exit, can be useful for\n" \
" reading error messages that occur on exit.\n"
#endif
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