/*!
* Attempts to resolve the service in order to determine the host and port necessary to establish a connection.
*
* If forceMulticast is set to true, QxtDiscoverableService will use a multicast request to resolve the service,
* even if the host name appears to be a unicast address (that is, outside the local network).
*
* \sa resolved
* \sa resolveError
*/
void QxtDiscoverableService::resolve(bool forceMulticast)
{
if(state() != Unknown && state() != Found) {
qWarning() << "QxtDiscoverableService: Cannot resolve service while not in Unknown or Found state";
emit resolveError(0);
return;
}
DNSServiceErrorType err;
err = DNSServiceResolve(&(qxt_d().service),
(forceMulticast ? kDNSServiceFlagsForceMulticast : 0),
qxt_d().iface,
serviceName().toUtf8().constData(),
fullServiceType().constData(),
domain().toUtf8().constData(),
QxtDiscoverableServicePrivate::resolveServiceCallback,
&qxt_d());
if(err != kDNSServiceErr_NoError) {
qxt_d().state = Unknown;
emit resolveError(err);
} else {
qxt_d().state = Resolving;
qxt_d().notifier = new QSocketNotifier(DNSServiceRefSockFD(qxt_d().service), QSocketNotifier::Read, this);
QObject::connect(qxt_d().notifier, SIGNAL(activated(int)), &qxt_d(), SLOT(socketData()));
}
}
/*!
* Attempts to register the service on the local network.
*
* If noAutoRename is set to true, registration will fail if another service of the same service type
* is already registered with the same service name. Otherwise, the service name will be updated with
* a number to make it unique.
*
* \sa registered
* \sa registrationError
*/
void QxtDiscoverableService::registerService(bool noAutoRename)
{
if(state() != Unknown) {
qWarning() << "QxtDiscoverableService: Cannot register service while not in Unknown state";
emit registrationError(0);
return;
}
QStringList subtypes = qxt_d().serviceSubTypes;
subtypes.prepend(fullServiceType());
DNSServiceErrorType err;
err = DNSServiceRegister(&(qxt_d().service),
noAutoRename ? kDNSServiceFlagsNoAutoRename : 0,
qxt_d().iface,
serviceName().isEmpty() ? 0 : serviceName().toUtf8().constData(),
subtypes.join(",_").toUtf8().constData(),
domain().isEmpty() ? 0 : domain().toUtf8().constData(),
host().isEmpty() ? 0 : host().toUtf8().constData(),
qxt_d().port,
1, // must include null terminator
"",
QxtDiscoverableServicePrivate::registerServiceCallback,
&qxt_d());
if(err != kDNSServiceErr_NoError) {
qxt_d().state = Unknown;
emit registrationError(err);
} else {
qxt_d().state = Registering;
qxt_d().notifier = new QSocketNotifier(DNSServiceRefSockFD(qxt_d().service), QSocketNotifier::Read, this);
QObject::connect(qxt_d().notifier, SIGNAL(activated(int)), &qxt_d(), SLOT(socketData()));
}
}
void QxtServiceBrowser::browse(/* int iface */)
{
QStringList subtypes = qxt_d().serviceSubTypes;
subtypes.prepend(fullServiceType());
DNSServiceErrorType err;
err = DNSServiceBrowse(&(qxt_d().service),
0,
qxt_d().iface,
subtypes.join(",_").toUtf8().constData(),
domain().isEmpty() ? 0 : domain().toUtf8().constData(),
QxtServiceBrowserPrivate::browseServiceCallback,
&qxt_d());
if(err) {
emit browsingFailed(err);
} else {
qxt_d().notifier = new QSocketNotifier(DNSServiceRefSockFD(qxt_d().service), QSocketNotifier::Read, this);
QObject::connect(qxt_d().notifier, SIGNAL(activated(int)), &qxt_d(), SLOT(socketData()));
}
}
