On Donnerstag, 15. Juli 2021 10:43:27 CEST Andrei Borzenkov wrote: > On Thu, Jul 15, 2021 at 11:27 AM <m...@mike.franken.de> wrote: > > On Donnerstag, 15. Juli 2021 06:45:06 CEST Andrei Borzenkov via > > networkmanager-list wrote: > > [...] > > > > > > #!/usr/bin/perl -w > > > > > > > > use strict; > > > > > > > > use Data::Dumper; > > > > $Data::Dumper::Sortkeys = 1; > > > > $Data::Dumper::Indent = 1; > > > > use Net::DBus; > > > > use Net::DBus::Dumper; > > > > use Net::DBus::Reactor; > > > > > > > > my $oBUS = Net::DBus->system || die $!; > > > > my $nm = "org.freedesktop.NetworkManager"; > > > > my $oNM = $oBUS->get_service( $nm ) || die $!; > > > > my $nmobjpath = "/org/freedesktop/NetworkManager"; > > > > my $nmif = "org.freedesktop.NetworkManager"; > > my $nmif = "org.freedesktop.DBus.Properties"; > > > > > my $oNMIF = $oNM->get_object( $nmobjpath, $nmif ) || die $!; > > > > > > > > $nmobjpath = "/org/freedesktop/NetworkManager/Settings"; > > > > $nmif = "org.freedesktop.NetworkManager.Settings"; > > my $nmif = "org.freedesktop.DBus.Properties"; > > > > > my $oNMIFS = $oNM->get_object( $nmobjpath, $nmif ) || die $!; > > > > > > > > $oNMIF->connect_to_signal( > > > > > > > > "PropertiesChanged", sub { > > > > > > > > &{ \&dbnm_onNMPropertiesChanged }( $oNM, $oNMIF, $oNMIFS, @_ ); > > > > > > > > } > > > > > > > > ); > > > > my $reactor = Net::DBus::Reactor->main() || die $!; > > > > $reactor->run() || die $!; > > > > > > > > sub dbnm_onNMPropertiesChanged { > > > > > > > > my( $oNM, $oNMIF, $oNMIFS, $props ) = @_; > > my( $oNM, $oNMIF, $oNMIFS, $interface, $props, $invalidated_props ) = @_; > > > > > print "\n- props -\n", Dumper( $props ), "\n--\n"; > > > > > > > > } > > > > > > NM PropertiesChanged and D-Bus > > > org.freedesktop.DBus.Properties.PropertiesChanged have different > > > signatures. You are dumping interface name, not properties dictionary. > > > > I am not sure, I understand this: > > The example above is the one for NetworkManager's PropertiesChanged > > signal. > > It worked perfectly as long as this signal existed. > > If you replace NM signal with DBus signal you also need to change > handler to look for different parameter > > > Besides that, what does "signature" mean in this context? Different > > parameters? > > Yes.
So last questions regarding signatures: A handler only is accepted, if all parameters are correct? Or - a handler is accepted, but not executed, if paramaters are not correct? Thx and bye. Michael. _______________________________________________ networkmanager-list mailing list networkmanager-list@gnome.org https://mail.gnome.org/mailman/listinfo/networkmanager-list