On Tue, Sep 10, 2013 at 3:52 PM, Guido Seifert <warg...@gmx.de> wrote:
> > > In the example that you showed (in your previous mail), did bind() return > > true? The docs state that the the socket must be in 'BoundState' for > > joinMulticastGroup() to work (otherwise it returns false). Maybe you can > > Hi, I am now quite sure that it is a bug. And more importantly not a > stupid bug in my code. :-) > > I 'dropped' my code and used the multicastreceiver from the Qt network > examples for further tests. The only thing I changed in this code is the > groupaddress to 239.255.255.250 and the port to 1900. Under Windows > (Windows 7/mingw-4.8.1/Qt-5.1.1/all 64bit) I can see the UPnP multicast > messages when I start XBMC on the same machine. Under Linux (gcc > 4.8.1/Qt-5.1.1/Debian Sid/64bit) no such messages are shown. According to > wireshark none are sent. Naturally, if this port is blocked by > multicastreceiver. > > And just now I checked the return value of bind under Linux. > The first time I get 'true'. When I start a second instance of > multicastreceiver I get 'false'. > What does QAbstractSocket::error() say when the 2nd bind() call fails? Maybe that'll give some hint about the error. -mandeep > > I just reported it: > https://bugreports.qt-project.org/browse/QTBUG-33419 > > Guido > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest >
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