Questions tagged [qhostaddress]
5 questions
1
vote
2 answers
Correct way to look up Hostnames in Qt with QHostInfo or QDnsLookUp
I am trying to use QHostInfo or QDnsLookUp to look up a hostname and get a list of QHostAddress. I would prefer QHostInfo (the interface is simpler) but I tried also QDnsLookUp.
In the first case, I use QHostInfo::lookupHost() static function, and…
n3mo
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QT connectToHost() wrong host state
I am using QTcpSocket to connect to given host:
QHostAddress oAddr( u32Addr);
QTcpSocket* poSocket = new QTcpSocket(this);
connect(poSocket, SIGNAL(connected()), this, SLOT(readCheckConnection()));
poSocket->connectToHost( oAddr, 80);
I am not…
hus
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0
votes
1 answer
Qt - QUdpSocket bind failed constantly
I have these 2 lines of code.
I need a socket that just receives data
The first method is working, and I receive date (from the ip/port in the second method)
The second method is always returning false.
I don't understand the difference and can't…
LIOR
- 149
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0
votes
0 answers
QT QTcpServer listen
i have a question about QT QTcpServer server->listen(QHostAddress, qint16). I have problems with the address.
I tried with QHostAddress("127.0.0.1"), and that worked. I tried with QHostAddress::Any, and that failed (error 10, not supported). I tried…
Siegfried
- 31
- 5
0
votes
1 answer
How can I pin-point the location of the call in my code that triggered QObject::connect: Cannot queue arguments of type in Qt5?
In my Qt5 application, I am receiving a log message at run time from Qt itself that looks like this:
QObject::connect: Cannot queue arguments of type 'QHostAddress'
I know how to fix the cause of this message using…
Mr. Developerdude
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