int main(int argc, char *argv[])
{
int ret = -1;
LibraryCleanupHandler cleanup;
{
::initApp("tokoloshtail", argc, argv);
QCoreApplication app(argc, argv);
if (!QDBusConnection::sessionBus().isConnected()) {
fprintf(stderr, "Cannot connect to the D-Bus session bus.\n"
"To start it, run:\n"
"\teval `dbus-launch --auto-syntax`\n");
return 1;
}
{
QDBusInterface iface(SERVICE_NAME, "/");
if (iface.isValid()) {
iface.call("quit");
}
}
// const QString pluginDirectory = Config::value<QString>("plugindir", PLUGINDIR); // ### Can't make this work
const QString pluginDirectory = Config::value<QString>("plugindir", QDir::cleanPath(QCoreApplication::applicationDirPath() + "/../plugins"));
Log::log(10) << "Using plugin directory" << pluginDirectory;
const QString backendName = Config::value<QString>("backend", "xine");
Log::log(10) << "Searching for backend" << backendName;
QDir dir(pluginDirectory);
if (!dir.exists()) {
Log::log(0) << pluginDirectory << " doesn't seem to exist";
return 1;
}
{
Tail tail;
Backend *backend = 0;
QLibrary *library = 0;
QHash<QLibrary*, BackendPlugin*> candidates;
foreach(const QFileInfo &fi, dir.entryInfoList(QDir::Files, QDir::Size)) {
QLibrary *lib = new QLibrary(fi.absoluteFilePath());
CreateBackend createBackend = 0;
if (lib->load() && (createBackend = (CreateBackend)lib->resolve("createTokoloshBackendInterface"))) {
BackendPlugin *interface = createBackend();
if (interface && interface->keys().contains(backendName, Qt::CaseInsensitive)) {
backend = interface->createBackend(&tail);
if (backend) {
library = lib;
break;
} else {
Log::log(0) << fi.absoluteFilePath() << "doesn't seem to be able to create a backend";
}
delete interface;
} else if (!interface) {
delete lib;
} else {
candidates[lib] = interface;
}
} else {
if (lib->isLoaded()) {
Log::log(1) << "Can't load" << fi.absoluteFilePath() << lib->errorString();
}
delete lib;
}
}
Q_ASSERT(!backend == !library);
if (!backend) {
for (QHash<QLibrary*, BackendPlugin*>::const_iterator it = candidates.begin(); it != candidates.end(); ++it) {
const bool hadBackend = backend != 0;
if (!backend)
backend = it.value()->createBackend(&app);
if (hadBackend || !backend) {
it.key()->unload();
delete it.key();
} else {
library = it.key();
}
delete it.value();
}
}
if (!backend) {
Log::log(0) << "Can't find a suitable backend";
return 1;
}
cleanup.library = library;
bool registered = false;
for (int i=0; i<5; ++i) {
if (QDBusConnection::sessionBus().registerService(SERVICE_NAME)) {
registered = true;
break;
}
::sleep(500);
}
if (!registered) {
Log::log(0) << "Can't seem to register service" << QDBusConnection::sessionBus().lastError().message();
return 1;
}
if (!tail.setBackend(backend)) {
Log::log(0) << backend->errorMessage() << backend->errorCode();
return 1;
}
QDBusConnection::sessionBus().registerObject("/", &tail,
QDBusConnection::ExportScriptableSlots
|QDBusConnection::ExportScriptableSignals);
Log::log(10) << "Using" << backend->name();
ret = app.exec();
}
}
return ret;
}
