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Udplistener start/stop during runtime (#56)

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* start implementening runtime start/stop for udplistener

* add signal slots for start/stop/statusChanged for better connectivity with other qt stuff

* fix typo
This commit is contained in:
redPanther
2016-06-27 09:27:11 +02:00
committed by brindosch
parent de39ff8997
commit b9634e57d6
3 changed files with 88 additions and 41 deletions
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77
libsrc/udplistener/UDPListener.cpp
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@@ -18,38 +18,14 @@ UDPListener::UDPListener(const int priority, const int timeout, const std::strin
_priority(priority),
_timeout(timeout),
_ledColors(Hyperion::getInstance()->getLedCount(), ColorRgb::BLACK),
_log(Logger::getInstance("UDPLISTENER"))
_log(Logger::getInstance("UDPLISTENER")),
_isActive(false),
_bondage(shared ? QAbstractSocket::ShareAddress : QAbstractSocket::DefaultForPlatform)
{
_server = new QUdpSocket(this);
QAbstractSocket::BindFlag bondage = QAbstractSocket::DefaultForPlatform;
if (shared) {
bondage = QAbstractSocket::ShareAddress;
}
QHostAddress listenAddress = QHostAddress(QHostAddress::Any);
QHostAddress mcastGroup;
if (!address.empty()) {
listenAddress = QHostAddress( QString::fromStdString(address) );
}
if (listenAddress.isInSubnet(QHostAddress::parseSubnet("224.0.0.0/4"))) {
mcastGroup = listenAddress;
listenAddress = QHostAddress(QHostAddress::AnyIPv4);
}
if (!_server->bind(listenAddress, listenPort, bondage))
{
Warning(_log, "Could not bind to %s:%d parsed from %s", listenAddress.toString().toStdString().c_str(), listenPort, address.c_str());
} else {
Info(_log, "Started, listening on %s:%d", listenAddress.toString().toStdString().c_str(), listenPort);
if (!mcastGroup.isNull()) {
if (_server->joinMulticastGroup(mcastGroup)) {
Info(_log, "Multicast listening on %s",mcastGroup.toString().toStdString().c_str());
} else {
Warning(_log, "Multicast failed for %s", mcastGroup.toString().toStdString().c_str());
}
}
}
QHostAddress listenAddress = address.empty()
? QHostAddress::AnyIPv4
: QHostAddress( QString::fromStdString(address) );
// Set trigger for incoming connections
connect(_server, SIGNAL(readyRead()), this, SLOT(readPendingDatagrams()));
@@ -58,9 +34,50 @@ UDPListener::UDPListener(const int priority, const int timeout, const std::strin
UDPListener::~UDPListener()
{
// clear the current channel
stop();
delete _server;
_hyperion->clear(_priority);
}
void UDPListener::start()
{
if ( active() )
return;
QHostAddress mcastGroup;
if (_listenAddress.isInSubnet(QHostAddress::parseSubnet("224.0.0.0/4"))) {
mcastGroup = _listenAddress;
}
if (!_server->bind(_listenAddress, _listenPort, _bondage))
{
Warning(_log, "Could not bind to %s:%d", _listenAddress.toString().toStdString().c_str(), _listenPort);
}
else
{
Info(_log, "Started, listening on %s:%d", _listenAddress.toString().toStdString().c_str(), _listenPort);
if (!mcastGroup.isNull()) {
bool joinGroupOK = _server->joinMulticastGroup(_listenAddress);
InfoIf ( joinGroupOK, _log, "Multicast enabled");
WarningIf( ! joinGroupOK, _log, "Multicast failed");
}
_isActive = true;
emit statusChanged(_isActive);
}
}
void UDPListener::stop()
{
if ( ! active() )
return;
_server->close();
_isActive = false;
emit statusChanged(_isActive);
}
uint16_t UDPListener::getPort() const
{
return _server->localPort();