void MainWindow::doPreview() {
if (fileNameString.isEmpty() || !QFile::exists(fileNameString)) {
setStatusError("No file to preview! (None is selected, or maybe it has been deleted)");
return;
}
QStringList previewCommand;
previewCommand << "smplayer";
previewCommand << fileNameString;
KProcess::execute(previewCommand);
}
int
ArchDaemonWindows::doRunDaemon(RunFunc run)
{
// should only be called from DaemonFunc
assert(m_serviceMutex != NULL);
assert(run != NULL);
// create message queue for this thread
MSG dummy;
PeekMessage(&dummy, NULL, 0, 0, PM_NOREMOVE);
int result = 0;
ARCH->lockMutex(m_serviceMutex);
m_daemonThreadID = GetCurrentThreadId();
while (m_serviceState != SERVICE_STOPPED) {
// wait until we're told to start
while (!isRunState(m_serviceState) &&
m_serviceState != SERVICE_STOP_PENDING) {
ARCH->waitCondVar(m_serviceCondVar, m_serviceMutex, -1.0);
}
// run unless told to stop
if (m_serviceState != SERVICE_STOP_PENDING) {
ARCH->unlockMutex(m_serviceMutex);
try {
result = run();
}
catch (...) {
ARCH->lockMutex(m_serviceMutex);
setStatusError(0);
m_serviceState = SERVICE_STOPPED;
setStatus(m_serviceState);
ARCH->broadcastCondVar(m_serviceCondVar);
ARCH->unlockMutex(m_serviceMutex);
throw;
}
ARCH->lockMutex(m_serviceMutex);
}
// notify of new state
if (m_serviceState == SERVICE_PAUSE_PENDING) {
m_serviceState = SERVICE_PAUSED;
}
else {
m_serviceState = SERVICE_STOPPED;
}
setStatus(m_serviceState);
ARCH->broadcastCondVar(m_serviceCondVar);
}
ARCH->unlockMutex(m_serviceMutex);
return result;
}
void
ArchDaemonWindows::serviceMain(DWORD argc, LPTSTR* argvIn)
{
typedef std::vector<LPCTSTR> ArgList;
typedef std::vector<std::string> Arguments;
const char** argv = const_cast<const char**>(argvIn);
// create synchronization objects
m_serviceMutex = ARCH->newMutex();
m_serviceCondVar = ARCH->newCondVar();
// register our service handler function
m_statusHandle = RegisterServiceCtrlHandler(argv[0],
&ArchDaemonWindows::serviceHandlerEntry);
if (m_statusHandle == 0) {
// cannot start as service
m_daemonResult = -1;
ARCH->closeCondVar(m_serviceCondVar);
ARCH->closeMutex(m_serviceMutex);
return;
}
// tell service control manager that we're starting
m_serviceState = SERVICE_START_PENDING;
setStatus(m_serviceState, 0, 10000);
std::string commandLine;
// if no arguments supplied then try getting them from the registry.
// the first argument doesn't count because it's the service name.
Arguments args;
ArgList myArgv;
if (argc <= 1) {
// read command line
HKEY key = openNTServicesKey();
key = ArchMiscWindows::openKey(key, argvIn[0]);
key = ArchMiscWindows::openKey(key, _T("Parameters"));
if (key != NULL) {
commandLine = ArchMiscWindows::readValueString(key,
_T("CommandLine"));
}
// if the command line isn't empty then parse and use it
if (!commandLine.empty()) {
// parse, honoring double quoted substrings
std::string::size_type i = commandLine.find_first_not_of(" \t");
while (i != std::string::npos && i != commandLine.size()) {
// find end of string
std::string::size_type e;
if (commandLine[i] == '\"') {
// quoted. find closing quote.
++i;
e = commandLine.find("\"", i);
// whitespace must follow closing quote
if (e == std::string::npos ||
(e + 1 != commandLine.size() &&
commandLine[e + 1] != ' ' &&
commandLine[e + 1] != '\t')) {
args.clear();
break;
}
// extract
args.push_back(commandLine.substr(i, e - i));
i = e + 1;
}
else {
// unquoted. find next whitespace.
e = commandLine.find_first_of(" \t", i);
if (e == std::string::npos) {
e = commandLine.size();
}
// extract
args.push_back(commandLine.substr(i, e - i));
i = e + 1;
}
// next argument
i = commandLine.find_first_not_of(" \t", i);
}
// service name goes first
myArgv.push_back(argv[0]);
// get pointers
for (size_t j = 0; j < args.size(); ++j) {
myArgv.push_back(args[j].c_str());
}
// adjust argc/argv
argc = (DWORD)myArgv.size();
argv = &myArgv[0];
}
}
m_commandLine = commandLine;
try {
// invoke daemon function
m_daemonResult = m_daemonFunc(static_cast<int>(argc), argv);
}
catch (XArchDaemonRunFailed& e) {
setStatusError(e.m_result);
m_daemonResult = -1;
}
catch (...) {
setStatusError(1);
m_daemonResult = -1;
}
// clean up
ARCH->closeCondVar(m_serviceCondVar);
ARCH->closeMutex(m_serviceMutex);
// we're going to exit now, so set status to stopped
m_serviceState = SERVICE_STOPPED;
setStatus(m_serviceState, 0, 10000);
}
