0cfb00d9da
The methods published by the example have a reply in the signature, but the code was not sending any, so the client gets stuck waiting for a response that doesn't arrive. Echo back the input string. Update the object path to follow what would be the canonical format. Request a service name on the bus, so that the code can be dropped in a service and it can be dbus-activatable. It also makes it easier to see on busctl list.
System and Service Manager
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