[PyQt] Having a problem with QTcpSocket

[Phil Thompson]

On Sat, 21 Nov 2009 17:19:00 +0100, Nick Gaens <nickgaens at gmail.com> wrote:
> Hello all,
> 
> I'm trying to get two clients to speak to each other, using an instance
of
> QtNetwork.QTcpSocket for each client.
> The clients are on different computers with IP's: 192.168.1.100 and .102
> 
> On the first client, I run the code below:
> 
> ------------------
> def __init__(self):
>     self.socket = QtNetwork.QTcpSocket(self)
>     self.socket.setLocalAddress(QtNetwork.QHostAddress("192.168.1.100"))
>     self.socket.setLocalPort(55555)
>     self.socket.readyRead.connect(self.receiveData)
> 
> def connectToOtherClient(self, ip):
>     self.socket.connectToHost(QtNetwork.QHostAddress(ip), 55555)
>     if self.socket.waitForConnected(10000):
>         print "Connected!"
>     else:
>         print self.socket.state() # Prints '0' (zero), meaning
>         UnconnectedState
> 
> ------------------
> 
> So I create a QTcpSocket, I tell it the IP I want to use and after having
> the user asking for the remote IP address, connectToOtherClient() is
> invoked.
> 
> On the second client, I just create an instance of this class, using
> "192.168.1.102" as IP there in __init__(). No invocation of
> connectToOtherClient() there, ofcourse..
> 
> The problem is: it doesn't connect at all.. The socket state remains
> "UnconnectedState"..
> 
> What am I doing wrong here?

Clients talk to servers, not other clients. Have a look at QTcpServer.

Phil