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Diffstat (limited to 'src/lib/barrier/App.h')
| -rw-r--r-- | src/lib/barrier/App.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/lib/barrier/App.h b/src/lib/barrier/App.h new file mode 100644 index 0000000..b7c77a0 --- /dev/null +++ b/src/lib/barrier/App.h @@ -0,0 +1,200 @@ +/* + * 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 "common/common.h" + +#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(SocketMultiplexer* sm) { m_socketMultiplexer = sm; } + SocketMultiplexer* getSocketMultiplexer() const { return m_socketMultiplexer; } + + 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; + 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 |