Many people are confused about the concepts in DBus. This page
gives an analogy to the web which should help to explain things.
- unique bus name - well-known bus name - object path - method
name - in parameters - out parameters Web Server Analogy -
unique bus name is like an IP address. In particular it is
dynamic. - well-known bus name is like a hostname. It can be
held by different programs at different times, but they should
all implement the same API - object path is like the path on the
server - interface/method name is like GET or POST - in
parameters are like like GET/POST variables - out parameters are
like the page which is returned. Object-Oriented Language
Analogy - an object path refers to an object, such as a
java.lang.Object - an interface is exactly like a Java interface
- in parameters are method arguments - out parameters are method
return values - unique bus name identifies the running process
or application uniquely (these bus names are never re-used by a
different process) - well-known bu