QServiceDiscovery::QServiceDiscovery(QObject *parent) :
QObject(parent),
QQmlParserStatus(),
m_componentCompleted(false),
m_running(false),
m_networkReady(false),
m_lookupReady(false),
m_lookupMode(MulticastDNS),
m_unicastLookupInterval(5000),
m_unicastErrorThreshold(2),
m_filter(new QServiceDiscoveryFilter(this)),
m_networkSession(NULL),
m_networkConfigManager(NULL),
m_networkConfigTimer(new QTimer(this)),
m_jdns(NULL),
m_unicastLookupTimer(new QTimer(this))
{
m_networkConfigTimer->setInterval(3000);
connect(m_networkConfigTimer, SIGNAL(timeout()),
this, SLOT(updateNetConfig()));
m_unicastLookupTimer->setInterval(m_unicastLookupInterval);
connect(m_unicastLookupTimer, SIGNAL(timeout()),
this, SLOT(unicastLookup()));
connect(this, SIGNAL(nameServersChanged(QQmlListProperty<QNameServer>)),
this, SLOT(updateNameServers()));
}
bool QServiceDiscovery::initializeMdns()
{
bool initialized;
if (m_jdns != NULL) // already initialized
{
return true;
}
#ifdef QT_DEBUG
QString mode;
if (m_lookupMode == MulticastDNS)
{
mode = "multicast";
}
else {
mode = "unicast";
}
DEBUG_TAG(1, "SD", "Initializing JDNS " + mode);
#endif
m_jdns = new QJDns(this);
connect(m_jdns, SIGNAL(resultsReady(int,QJDns::Response)),
this, SLOT(resultsReady(int,QJDns::Response)));
connect(m_jdns, SIGNAL(error(int,QJDns::Error)),
this, SLOT(error(int,QJDns::Error)));
if (m_lookupMode == MulticastDNS)
{
#if defined(Q_OS_ANDROID)
QAndroidJniObject::callStaticMethod<void>("io/machinekit/service/MulticastActivator",
"enable");
#endif
initialized = m_jdns->init(QJDns::Multicast, QHostAddress::Any);
}
else
{
initialized = m_jdns->init(QJDns::Unicast, QHostAddress::Any);
}
if (!initialized) // something went wrong
{
#ifdef QT_DEBUG
DEBUG_TAG(1, "SD", "Initializing JDNS failed");
DEBUG_TAG(1, "SD", m_jdns->debugLines());
#endif
m_jdns->deleteLater();
m_jdns = NULL;
return false;
}
else
{
m_lookupReady = true;
if (m_lookupMode == UnicastDNS)
{
updateNameServers();
}
if (m_running == true)
{
updateServices();
if (m_lookupMode == UnicastDNS)
{
m_unicastLookupTimer->start();
}
}
emit lookupReadyChanged(m_lookupReady);
}
return true;
}
bool ServiceDiscovery::initializeMdns()
{
bool initialized;
if (!m_jdns.isNull()) // already initialized
{
return true;
}
DEBUG_TAG(1, "SD", "Initializing JDNS " << ((m_lookupMode == MulticastDNS) ? "multicast" : "unicast"));
m_jdns = new QJDns(this);
connect(m_jdns, &QJDns::resultsReady,
this, &ServiceDiscovery::resultsReady);
connect(m_jdns, &QJDns::error,
this, &ServiceDiscovery::error);
if (m_lookupMode == MulticastDNS)
{
#if defined(Q_OS_ANDROID)
QtAndroid::runOnAndroidThreadSync([](){
QAndroidJniObject::callStaticMethod<void>("io/machinekit/service/MulticastActivator", "enable",
"(Landroid/content/Context;)V", QtAndroid::androidActivity().object<jobject>());
});
#endif
initialized = m_jdns->init(QJDns::Multicast, QHostAddress::Any);
}
else
{
initialized = m_jdns->init(QJDns::Unicast, QHostAddress::Any);
}
if (!initialized) // something went wrong
{
DEBUG_TAG(1, "SD", "Initializing JDNS failed");
DEBUG_TAG(1, "SD", m_jdns->debugLines());
m_jdns->deleteLater();
m_jdns.clear();
return false;
}
else
{
m_lookupReady = true;
if (m_lookupMode == UnicastDNS)
{
updateNameServers();
}
if (m_running == true)
{
updateServices();
if (m_lookupMode == UnicastDNS)
{
m_unicastLookupTimer.start();
}
}
emit lookupReadyChanged(m_lookupReady);
}
return true;
}
