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barrier/cmd/synergys/synergys.cpp

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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.
*/
#include "CClientListener.h"
#include "CClientProxy.h"
#include "CConfig.h"
#include "CPrimaryClient.h"
#include "CServer.h"
#include "CScreen.h"
#include "ProtocolTypes.h"
#include "Version.h"
#include "XScreen.h"
#include "CSocketMultiplexer.h"
#include "CTCPSocketFactory.h"
#include "XSocket.h"
#include "CThread.h"
#include "CEventQueue.h"
#include "CFunctionEventJob.h"
#include "CLog.h"
#include "LogOutputters.h"
#include "CArch.h"
#include "XArch.h"
#include "stdfstream.h"
#include <cstring>
#define DAEMON_RUNNING(running_)
#if WINDOWS_LIKE
#include "CMSWindowsScreen.h"
#include "CArchMiscWindows.h"
#include "CMSWindowsServerTaskBarReceiver.h"
#include "resource.h"
#undef DAEMON_RUNNING
#define DAEMON_RUNNING(running_) CArchMiscWindows::daemonRunning(running_)
#elif UNIX_LIKE
#include "CXWindowsScreen.h"
#include "CXWindowsServerTaskBarReceiver.h"
#endif
// platform dependent name of a daemon
#if WINDOWS_LIKE
#define DAEMON_NAME "Synergy Server"
#elif UNIX_LIKE
#define DAEMON_NAME "synergys"
#endif
// configuration file name
#if WINDOWS_LIKE
#define USR_CONFIG_NAME "synergy.sgc"
#define SYS_CONFIG_NAME "synergy.sgc"
#elif UNIX_LIKE
#define USR_CONFIG_NAME ".synergy.conf"
#define SYS_CONFIG_NAME "synergy.conf"
#endif
//
// program arguments
//
#define ARG CArgs::s_instance
class CArgs {
public:
CArgs() :
m_pname(NULL),
m_backend(false),
m_restartable(true),
m_daemon(true),
m_configFile(NULL),
m_logFilter(NULL)
{ s_instance = this; }
~CArgs() { s_instance = NULL; }
public:
static CArgs* s_instance;
const char* m_pname;
bool m_backend;
bool m_restartable;
bool m_daemon;
const char* m_configFile;
const char* m_logFilter;
CString m_name;
CNetworkAddress m_synergyAddress;
CConfig m_config;
};
CArgs* CArgs::s_instance = NULL;
//
// platform dependent factories
//
static
CScreen*
createScreen()
{
#if WINDOWS_LIKE
return new CScreen(new CMSWindowsScreen(true));
#elif UNIX_LIKE
return new CScreen(new CXWindowsScreen(true));
#endif
}
//
// platform independent main
//
static CServer* s_server = NULL;
static CPrimaryClient* s_primaryClient = NULL;
static CClientListener* s_listener = NULL;
static CServerTaskBarReceiver* s_taskBarReceiver = NULL;
static
void
updateStatus()
{
s_taskBarReceiver->updateStatus(s_server, "");
}
static
void
updateStatus(const CString& msg)
{
s_taskBarReceiver->updateStatus(s_server, msg);
}
static
void
handleClientConnected(const CEvent&, void* vlistener)
{
CClientListener* listener = reinterpret_cast<CClientListener*>(vlistener);
CClientProxy* client = listener->getNextClient();
if (client != NULL) {
s_server->adoptClient(client);
updateStatus();
}
}
static
CClientListener*
openClientListener(const CNetworkAddress& address)
{
CClientListener* listen =
new CClientListener(address, new CTCPSocketFactory, NULL);
EVENTQUEUE->adoptHandler(CClientListener::getConnectedEvent(), listen,
new CFunctionEventJob(
&handleClientConnected, listen));
return listen;
}
static
void
closeClientListener(CClientListener* listen)
{
if (listen != NULL) {
EVENTQUEUE->removeHandler(CClientListener::getConnectedEvent(), listen);
delete listen;
}
}
static
void
handleScreenError(const CEvent&, void*)
{
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
}
static
CPrimaryClient*
openPrimaryClient(const CString& name)
{
LOG((CLOG_DEBUG1 "creating primary screen"));
CScreen* screen = createScreen();
CPrimaryClient* primaryClient = new CPrimaryClient(name, screen);
EVENTQUEUE->adoptHandler(IScreen::getErrorEvent(),
primaryClient->getEventTarget(),
new CFunctionEventJob(
&handleScreenError));
return primaryClient;
}
static
void
closePrimaryClient(CPrimaryClient* primaryClient)
{
if (primaryClient != NULL) {
EVENTQUEUE->removeHandler(IScreen::getErrorEvent(),
primaryClient->getEventTarget());
delete primaryClient;
}
}
static
void
handleNoClients(const CEvent&, void*)
{
updateStatus();
}
static
void
handleClientsDisconnected(const CEvent&, void*)
{
EVENTQUEUE->addEvent(CEvent(CEvent::kQuit));
}
static
CServer*
openServer(const CConfig& config, CPrimaryClient* primaryClient)
{
CServer* server = new CServer(config, primaryClient);
EVENTQUEUE->adoptHandler(CServer::getDisconnectedEvent(), server,
new CFunctionEventJob(handleNoClients));
return server;
}
static
void
closeServer(CServer* server)
{
if (server == NULL) {
return;
}
// tell all clients to disconnect
server->disconnect();
// wait for clients to disconnect for up to timeout seconds
double timeout = 3.0;
CEventQueueTimer* timer = EVENTQUEUE->newOneShotTimer(timeout, NULL);
EVENTQUEUE->adoptHandler(CEvent::kTimer, timer,
new CFunctionEventJob(handleClientsDisconnected));
EVENTQUEUE->adoptHandler(CServer::getDisconnectedEvent(), server,
new CFunctionEventJob(handleClientsDisconnected));
CEvent event;
EVENTQUEUE->getEvent(event);
while (event.getType() != CEvent::kQuit) {
EVENTQUEUE->dispatchEvent(event);
CEvent::deleteData(event);
EVENTQUEUE->getEvent(event);
}
EVENTQUEUE->removeHandler(CEvent::kTimer, timer);
EVENTQUEUE->deleteTimer(timer);
EVENTQUEUE->removeHandler(CServer::getDisconnectedEvent(), server);
// done with server
delete server;
}
static bool startServer();
static
void
retryStartHandler(const CEvent&, void* vtimer)
{
// discard old timer
CEventQueueTimer* timer = reinterpret_cast<CEventQueueTimer*>(vtimer);
EVENTQUEUE->deleteTimer(timer);
EVENTQUEUE->removeHandler(CEvent::kTimer, NULL);
// try starting the server again
LOG((CLOG_DEBUG1 "retry starting server"));
startServer();
}
static
bool
startServer()
{
double retryTime;
CPrimaryClient* primaryClient = NULL;
CClientListener* listener = NULL;
try {
CString name = ARG->m_config.getCanonicalName(ARG->m_name);
primaryClient = openPrimaryClient(name);
listener = openClientListener(ARG->m_config.getSynergyAddress());
s_server = openServer(ARG->m_config, primaryClient);
s_primaryClient = primaryClient;
s_listener = listener;
updateStatus();
LOG((CLOG_NOTE "started server"));
return true;
}
catch (XScreenUnavailable& e) {
LOG((CLOG_WARN "cannot open primary screen: %s", e.what()));
closeClientListener(listener);
closePrimaryClient(primaryClient);
updateStatus(CString("cannot open primary screen: ") + e.what());
retryTime = e.getRetryTime();
}
catch (XSocketAddressInUse& e) {
LOG((CLOG_WARN "cannot listen for clients: %s", e.what()));
closeClientListener(listener);
closePrimaryClient(primaryClient);
updateStatus(CString("cannot listen for clients: ") + e.what());
retryTime = 10.0;
}
catch (XScreenOpenFailure& e) {
LOG((CLOG_CRIT "cannot open primary screen: %s", e.what()));
closeClientListener(listener);
closePrimaryClient(primaryClient);
return false;
}
catch (XBase& e) {
LOG((CLOG_CRIT "failed to start server: %s", e.what()));
closeClientListener(listener);
closePrimaryClient(primaryClient);
return false;
}
if (ARG->m_restartable) {
// install a timer and handler to retry later
LOG((CLOG_DEBUG "retry in %.0f seconds", retryTime));
CEventQueueTimer* timer = EVENTQUEUE->newOneShotTimer(retryTime, NULL);
EVENTQUEUE->adoptHandler(CEvent::kTimer, timer,
new CFunctionEventJob(&retryStartHandler, timer));
return true;
}
else {
// don't try again
return false;
}
}
static
int
realMain()
{
// if configuration has no screens then add this system
// as the default
if (ARG->m_config.begin() == ARG->m_config.end()) {
ARG->m_config.addScreen(ARG->m_name);
}
// set the contact address, if provided, in the config.
// otherwise, if the config doesn't have an address, use
// the default.
if (ARG->m_synergyAddress.isValid()) {
ARG->m_config.setSynergyAddress(ARG->m_synergyAddress);
}
else if (!ARG->m_config.getSynergyAddress().isValid()) {
ARG->m_config.setSynergyAddress(CNetworkAddress(kDefaultPort));
}
// canonicalize the primary screen name
CString primaryName = ARG->m_config.getCanonicalName(ARG->m_name);
if (primaryName.empty()) {
LOG((CLOG_CRIT "unknown screen name `%s'", ARG->m_name.c_str()));
return kExitFailed;
}
// start the server. if this return false then we've failed and
// we shouldn't retry.
LOG((CLOG_DEBUG1 "starting server"));
if (!startServer()) {
return kExitFailed;
}
// run event loop. if startServer() failed we're supposed to retry
// later. the timer installed by startServer() will take care of
// that.
DAEMON_RUNNING(true);
CEvent event;
EVENTQUEUE->getEvent(event);
while (event.getType() != CEvent::kQuit) {
EVENTQUEUE->dispatchEvent(event);
CEvent::deleteData(event);
EVENTQUEUE->getEvent(event);
}
DAEMON_RUNNING(false);
// close down
LOG((CLOG_DEBUG1 "stopping server"));
closeClientListener(s_listener);
closeServer(s_server);
closePrimaryClient(s_primaryClient);
s_server = NULL;
s_listener = NULL;
s_primaryClient = NULL;
updateStatus();
LOG((CLOG_NOTE "stopped server"));
return kExitSuccess;
}
/* XXX
static
void
realMainEntry(void* vresult)
{
*reinterpret_cast<int*>(vresult) = realMain();
}
static
int
runMainInThread(void)
{
int result = 0;
CThread appThread(new CFunctionJob(&realMainEntry, &result));
try {
#if WINDOWS_LIKE
MSG msg;
while (appThread.waitForEvent(-1.0) == CThread::kEvent) {
// check for a quit event
if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
if (msg.message == WM_QUIT) {
CThread::getCurrentThread().cancel();
}
}
}
#else
appThread.wait(-1.0);
#endif
return result;
}
catch (XThread&) {
appThread.cancel();
appThread.wait(-1.0);
throw;
}
}
*/
//
// command line parsing
//
#define BYE "\nTry `%s --help' for more information."
static void (*bye)(int) = &exit;
static
void
version()
{
LOG((CLOG_PRINT
"%s %s, protocol version %d.%d\n"
"%s",
ARG->m_pname,
kVersion,
kProtocolMajorVersion,
kProtocolMinorVersion,
kCopyright));
}
static
void
help()
{
#if WINDOWS_LIKE
# define PLATFORM_ARGS \
" {--daemon|--no-daemon}"
# define PLATFORM_DESC
# define PLATFORM_EXTRA \
"At least one command line argument is required. If you don't otherwise\n" \
"need an argument use `--daemon'.\n" \
"\n"
#else
# define PLATFORM_ARGS \
" [--daemon|--no-daemon]"
# define PLATFORM_DESC
# define PLATFORM_EXTRA
#endif
LOG((CLOG_PRINT
"Usage: %s"
" [--address <address>]"
" [--config <pathname>]"
" [--debug <level>]"
" [--name <screen-name>]"
" [--restart|--no-restart]\n"
PLATFORM_ARGS
"\n"
"Start the synergy mouse/keyboard sharing server.\n"
"\n"
" -a, --address <address> listen for clients on the given address.\n"
" -c, --config <pathname> use the named configuration file instead.\n"
" -d, --debug <level> filter out log messages with priorty below level.\n"
" level may be: FATAL, ERROR, WARNING, NOTE, INFO,\n"
" DEBUG, DEBUG1, DEBUG2.\n"
" -f, --no-daemon run the server in the foreground.\n"
"* --daemon run the server as a daemon.\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 the server if it fails for\n"
" some reason.\n"
"* --restart restart the server automatically if it fails.\n"
PLATFORM_DESC
" -h, --help display this help and exit.\n"
" --version display version information and exit.\n"
"\n"
"* marks defaults.\n"
"\n"
PLATFORM_EXTRA
"The argument for --address is of the form: [<hostname>][:<port>]. The\n"
"hostname must be the address or hostname of an interface on the system.\n"
"The default is to listen on all interfaces. The port overrides the\n"
"default port, %d.\n"
"\n"
"If no configuration file pathname is provided then the first of the\n"
"following to load successfully sets the configuration:\n"
" %s\n"
" %s\n"
"If no configuration file can be loaded then the configuration uses its\n"
"defaults with just the server screen.\n"
"\n"
"Where log messages go depends on the platform and whether or not the\n"
"server is running as a daemon.",
ARG->m_pname,
kDefaultPort,
ARCH->concatPath(
ARCH->getUserDirectory(),
USR_CONFIG_NAME).c_str(),
ARCH->concatPath(
ARCH->getSystemDirectory(),
SYS_CONFIG_NAME).c_str()));
}
static
bool
isArg(int argi, int argc, const char* const* argv,
const char* name1, const char* name2,
int minRequiredParameters = 0)
{
if ((name1 != NULL && strcmp(argv[argi], name1) == 0) ||
(name2 != NULL && strcmp(argv[argi], name2) == 0)) {
// match. check args left.
if (argi + minRequiredParameters >= argc) {
LOG((CLOG_PRINT "%s: missing arguments for `%s'" BYE,
ARG->m_pname, argv[argi], ARG->m_pname));
bye(kExitArgs);
}
return true;
}
// no match
return false;
}
static
void
parse(int argc, const char* const* argv)
{
assert(ARG->m_pname != NULL);
assert(argv != NULL);
assert(argc >= 1);
// set defaults
ARG->m_name = ARCH->getHostName();
// parse options
int i;
for (i = 1; i < argc; ++i) {
if (isArg(i, argc, argv, "-d", "--debug", 1)) {
// change logging level
ARG->m_logFilter = argv[++i];
}
else if (isArg(i, argc, argv, "-a", "--address", 1)) {
// save listen address
try {
ARG->m_synergyAddress = CNetworkAddress(argv[i + 1],
kDefaultPort);
}
catch (XSocketAddress& e) {
LOG((CLOG_PRINT "%s: %s" BYE,
ARG->m_pname, e.what(), ARG->m_pname));
bye(kExitArgs);
}
++i;
}
else if (isArg(i, argc, argv, "-n", "--name", 1)) {
// save screen name
ARG->m_name = argv[++i];
}
else if (isArg(i, argc, argv, "-c", "--config", 1)) {
// save configuration file path
ARG->m_configFile = argv[++i];
}
else if (isArg(i, argc, argv, "-f", "--no-daemon")) {
// not a daemon
ARG->m_daemon = false;
}
else if (isArg(i, argc, argv, NULL, "--daemon")) {
// daemonize
ARG->m_daemon = true;
}
else if (isArg(i, argc, argv, "-1", "--no-restart")) {
// don't try to restart
ARG->m_restartable = false;
}
else if (isArg(i, argc, argv, NULL, "--restart")) {
// try to restart
ARG->m_restartable = true;
}
else if (isArg(i, argc, argv, "-z", NULL)) {
ARG->m_backend = true;
}
else if (isArg(i, argc, argv, "-h", "--help")) {
help();
bye(kExitSuccess);
}
else if (isArg(i, argc, argv, NULL, "--version")) {
version();
bye(kExitSuccess);
}
else if (isArg(i, argc, argv, "--", NULL)) {
// remaining arguments are not options
++i;
break;
}
else if (argv[i][0] == '-') {
LOG((CLOG_PRINT "%s: unrecognized option `%s'" BYE,
ARG->m_pname, argv[i], ARG->m_pname));
bye(kExitArgs);
}
else {
// this and remaining arguments are not options
break;
}
}
// no non-option arguments are allowed
if (i != argc) {
LOG((CLOG_PRINT "%s: unrecognized option `%s'" BYE,
ARG->m_pname, argv[i], ARG->m_pname));
bye(kExitArgs);
}
// increase default filter level for daemon. the user must
// explicitly request another level for a daemon.
if (ARG->m_daemon && ARG->m_logFilter == NULL) {
#if WINDOWS_LIKE
if (CArchMiscWindows::isWindows95Family()) {
// windows 95 has no place for logging so avoid showing
// the log console window.
ARG->m_logFilter = "FATAL";
}
else
#endif
{
ARG->m_logFilter = "NOTE";
}
}
// set log filter
if (!CLOG->setFilter(ARG->m_logFilter)) {
LOG((CLOG_PRINT "%s: unrecognized log level `%s'" BYE,
ARG->m_pname, ARG->m_logFilter, ARG->m_pname));
bye(kExitArgs);
}
}
static
bool
loadConfig(const char* pathname, bool require)
{
assert(pathname != NULL);
try {
// load configuration
LOG((CLOG_DEBUG "opening configuration \"%s\"", pathname));
std::ifstream configStream(pathname);
if (!configStream) {
throw XConfigRead("cannot open file");
}
configStream >> ARG->m_config;
LOG((CLOG_DEBUG "configuration read successfully"));
return true;
}
catch (XConfigRead& e) {
if (require) {
LOG((CLOG_PRINT "%s: cannot read configuration '%s': %s",
ARG->m_pname, pathname, e.what()));
bye(kExitConfig);
}
else {
LOG((CLOG_DEBUG "cannot read configuration \"%s\": %s",
pathname, e.what()));
}
}
return false;
}
static
void
loadConfig()
{
// load the config file, if specified
if (ARG->m_configFile != NULL) {
// require the user specified file to load correctly
loadConfig(ARG->m_configFile, true);
}
// load the default configuration if no explicit file given
else {
// get the user's home directory. use the effective user id
// so a user can't get a setuid root program to load his file.
bool loaded = false;
CString path = ARCH->getUserDirectory();
if (!path.empty()) {
// complete path
path = ARCH->concatPath(path, USR_CONFIG_NAME);
// now try loading the user's configuration
loaded = loadConfig(path.c_str(), false);
}
if (!loaded) {
// try the system-wide config file
path = ARCH->getSystemDirectory();
if (!path.empty()) {
path = ARCH->concatPath(path, SYS_CONFIG_NAME);
loadConfig(path.c_str(), false);
}
}
}
}
//
// platform dependent entry points
//
#if WINDOWS_LIKE
static bool s_hasImportantLogMessages = false;
//
// CMessageBoxOutputter
//
// This class writes severe log messages to a message box
//
class CMessageBoxOutputter : public ILogOutputter {
public:
CMessageBoxOutputter() { }
virtual ~CMessageBoxOutputter() { }
// ILogOutputter overrides
virtual void open(const char*) { }
virtual void close() { }
virtual bool write(ELevel level, const char* message);
virtual const char* getNewline() const { return ""; }
};
bool
CMessageBoxOutputter::write(ELevel level, const char* message)
{
// note any important messages the user may need to know about
if (level <= CLog::kWARNING) {
s_hasImportantLogMessages = true;
}
// FATAL and PRINT messages get a dialog box if not running as
// backend. if we're running as a backend the user will have
// a chance to see the messages when we exit.
if (!ARG->m_backend && level <= CLog::kFATAL) {
MessageBox(NULL, message, ARG->m_pname, MB_OK | MB_ICONWARNING);
return false;
}
else {
return true;
}
}
static
void
byeThrow(int x)
{
CArchMiscWindows::daemonFailed(x);
}
static
int
daemonStartup(int argc, const char** argv)
{
CSystemLogger sysLogger(DAEMON_NAME);
// catch errors that would normally exit
bye = &byeThrow;
// parse command line
parse(argc, argv);
// cannot run as backend if running as a service
ARG->m_backend = false;
// load configuration
loadConfig();
// run as a service
return CArchMiscWindows::runDaemon(realMain);
}
static
int
daemonStartup95(int, const char**)
{
CSystemLogger sysLogger(DAEMON_NAME);
return runMainInThread();
}
static
int
run(int argc, char** argv)
{
// windows NT family starts services using no command line options.
// since i'm not sure how to tell the difference between that and
// a user providing no options we'll assume that if there are no
// arguments and we're on NT then we're being invoked as a service.
// users on NT can use `--daemon' or `--no-daemon' to force us out
// of the service code path.
if (argc <= 1 && !CArchMiscWindows::isWindows95Family()) {
try {
return ARCH->daemonize(DAEMON_NAME, &daemonStartup);
}
catch (XArchDaemon& e) {
LOG((CLOG_CRIT "failed to start as a service: %s" BYE, e.what().c_str(), ARG->m_pname));
}
return kExitFailed;
}
// parse command line
parse(argc, argv);
// load configuration
loadConfig();
// daemonize if requested
if (ARG->m_daemon) {
// start as a daemon
if (CArchMiscWindows::isWindows95Family()) {
try {
return ARCH->daemonize(DAEMON_NAME, &daemonStartup95);
}
catch (XArchDaemon& e) {
LOG((CLOG_CRIT "failed to start as a service: %s" BYE, e.what().c_str(), ARG->m_pname));
}
return kExitFailed;
}
else {
// cannot start a service from the command line so just
// run normally (except with log messages redirected).
CSystemLogger sysLogger(DAEMON_NAME);
return runMainInThread();
}
}
else {
// run
return runMainInThread();
}
}
int WINAPI
WinMain(HINSTANCE instance, HINSTANCE, LPSTR, int)
{
CArch arch(instance);
CLOG;
CArgs args;
// save instance
CMSWindowsScreen::init(instance);
// get program name
ARG->m_pname = ARCH->getBasename(__argv[0]);
// send PRINT and FATAL output to a message box
CLOG->insert(new CMessageBoxOutputter);
// save log messages
CBufferedLogOutputter logBuffer(1000);
CLOG->insert(&logBuffer, true);
// make the task bar receiver. the user can control this app
// through the task bar.
s_taskBarReceiver = new CMSWindowsServerTaskBarReceiver(instance,
&logBuffer);
int result;
try {
// run in foreground or as a daemon
result = run(__argc, __argv);
}
catch (...) {
// note that we don't rethrow thread cancellation. we'll
// be exiting soon so it doesn't matter. what we'd like
// is for everything after this try/catch to be in a
// finally block.
result = kExitFailed;
}
// done with task bar receiver
delete s_taskBarReceiver;
// done with log buffer
CLOG->remove(&logBuffer);
// let user examine any messages if we're running as a backend
// by putting up a dialog box before exiting.
if (ARG->m_backend && s_hasImportantLogMessages) {
char msg[1024];
msg[0] = '\0';
LoadString(instance, IDS_FAILED, msg, sizeof(msg) / sizeof(msg[0]));
MessageBox(NULL, msg, ARG->m_pname, MB_OK | MB_ICONWARNING);
}
delete CLOG;
return result;
}
#elif UNIX_LIKE
static
int
daemonStartup(int, const char**)
{
CSystemLogger sysLogger(DAEMON_NAME);
return realMain();
}
int
main(int argc, char** argv)
{
CArch arch;
CLOG;
// go really fast
CThread::getCurrentThread().setPriority(-14);
CSocketMultiplexer multiplexer;
CEventQueue eventQueue;
// get program name
CArgs args;
ARG->m_pname = ARCH->getBasename(argv[0]);
// make the task bar receiver. the user can control this app
// through the task bar.
s_taskBarReceiver = new CXWindowsServerTaskBarReceiver;
// parse command line
parse(argc, argv);
// load configuration
loadConfig();
// daemonize if requested
int result;
if (ARG->m_daemon) {
try {
result = ARCH->daemonize(DAEMON_NAME, &daemonStartup);
}
catch (XArchDaemon&) {
LOG((CLOG_CRIT "failed to daemonize"));
result = kExitFailed;
}
}
else {
result = realMain();
}
// done with task bar receiver
delete s_taskBarReceiver;
return result;
}
#else
#error no main() for platform
#endif
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