// TODO: each builder should refcount its services, so a shared one does not get removed to early
// (might disappear for one sd because of master breakdown)
void DNSSDNetworkBuilder::removeService( DNSSD::RemoteService::Ptr service )
{
QList<NetDevice>& deviceList = mNetworkPrivate->deviceList();
const QString hostName = service->hostName();
// device
QMutableListIterator<NetDevice> it( deviceList );
while( it.hasNext())
{
const NetDevice& device = it.next();
if( device.hostName() == hostName )
{
// kDebug()<<hostName;
QString id;
const QString serviceType = service->type();
foreach( const DNSSDNetSystemAble* factory, mNetSystemFactoryList )
{
if( factory->canCreateNetSystemFromDNSSD(serviceType) )
{
id = factory->dnssdId( service );
break;
}
}
NetDevicePrivate* d = device.dPtr();
NetService netService = d->removeService( id );
if( !netService.isValid() )
break;
QList<NetService> removedServices;
removedServices.append( netService );
mNetworkPrivate->emitServicesRemoved( removedServices );
// remove device on last service
if( d->serviceList().count() == 0 )
{
QList<NetDevice> removedDevices;
removedDevices.append( device );
// remove only after taking copy from reference into removed list
it.remove();
mNetworkPrivate->emitDevicesRemoved( removedDevices );
}
break;
}
}
void DNSSDNetworkBuilder::addService( DNSSD::RemoteService::Ptr service )
{
QList<NetDevice>& deviceList = mNetworkPrivate->deviceList();
QString hostName = service->hostName();
// TODO: this blocks. and the ip address should be delivered from DNS-SD with resolve
const QHostAddress hostAddress = DNSSD::ServiceBrowser::resolveHostName( hostName );
const QString ipAddress = hostAddress.toString();
// forget domain name if just ip address
if( hostName == ipAddress )
hostName.clear();
// device TODO: only search for if we can create the service?
NetDevicePrivate* d = 0;
const NetDevice* deviceOfService = 0;
foreach( const NetDevice& device, deviceList )
{
const QString deviceHostName = device.hostName();
const bool useIpAddress = ( deviceHostName.isEmpty() || hostName.isEmpty() );
const bool isSameAddress = useIpAddress ?
( device.ipAddress() == ipAddress ) :
( deviceHostName == hostName );
kDebug()<<"existing device:"<<deviceHostName<<"at"<<device.ipAddress()<<"vs."<<hostName<<"at"<<ipAddress<<":"<<isSameAddress;
if( isSameAddress )
{
d = device.dPtr();
// workaround: KDNSSD currently (4.7.0) emits two signals per service
// just relying on service->serviceName() is fragile, but matches
// current approach in removeService(...)
QString id;
const QString serviceType = service->type();
foreach( const DNSSDNetSystemAble* factory, mNetSystemFactoryList )
{
if( factory->canCreateNetSystemFromDNSSD(serviceType) )
{
id = factory->dnssdId( service );
break;
}
}
if( d->hasService(id) )
return;
deviceOfService = &device;
break;
}
}
if( !d )
{
const QString deviceName = hostName.left( hostName.indexOf(QLatin1Char('.')) );
d = new NetDevicePrivate( deviceName );
d->setHostName( hostName );
d->setIpAddress( ipAddress );
NetDevice device( d );
deviceList.append( device );
deviceOfService = &deviceList.last();
QList<NetDevice> newDevices;
newDevices.append( device );
// TODO: the new service will be announced two times, once with the new device and once alone.
// what to do about that? which order? okay? for now just do not attach services before. find usecases.
mNetworkPrivate->emitDevicesAdded( newDevices );
kDebug()<<"new device:"<<deviceName<<"at"<<hostName<<"by"<<service->type();
}
else
{
if( d->hostName().isEmpty() && ! hostName.isEmpty() )
d->setHostName( hostName );
}
const QString serviceType = service->type();
NetServicePrivate* netServicePrivate = 0;
// do a priority based lookup who can build the object
// TODO: priorisation
foreach( const DNSSDNetSystemAble* factory, mNetSystemFactoryList )
{
if( factory->canCreateNetSystemFromDNSSD(serviceType) )
{
// TODO: here we should rather see if this service already exists
netServicePrivate = factory->createNetService( service, *deviceOfService );
break;
}
}
// TODO: create dummy service
// if( ! netServicePrivate )
// netServicePrivate = new UnknownService;
NetService netService( netServicePrivate );
d->addService( netService );
// try guessing the device type by the services on it
// TODO: move into devicefactory
NetDevice::Type deviceTypeByService = NetDevice::Unknown;
QString deviceName;
if( serviceType == QLatin1String("_workstation._tcp") )
{
deviceTypeByService = NetDevice::Workstation;
deviceName = service->serviceName().left( service->serviceName().lastIndexOf(QLatin1Char('[')) ).trimmed();
}
else if( serviceType == QLatin1String("_net-assistant._udp") )
{
deviceTypeByService = NetDevice::Workstation;
deviceName = service->serviceName();
}
else if( serviceType == QLatin1String("_airport._tcp") )
deviceTypeByService = NetDevice::Router;
else if( serviceType == QLatin1String("_ipp._tcp")
|| serviceType == QLatin1String("_printer._tcp")
|| serviceType == QLatin1String("_pdl-datastream._tcp") )
{
deviceTypeByService = NetDevice::Printer;
deviceName = service->serviceName();
}
if( deviceTypeByService != NetDevice::Unknown )
{
if( deviceTypeByService > d->type() )
{
d->setType( deviceTypeByService );
if( ! deviceName.isEmpty() )
d->setName( deviceName );
}
}
QList<NetService> newServices;
newServices.append( netService );
mNetworkPrivate->emitServicesAdded( newServices );
}