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Open-source Camp the second month of the internship is half past, this period of time because there are always children to play at home, delayed some time. The problem of enumeration types has been studied in recent days, with a clear need for Go-dbus to handle enumeration types as well as other data types, such as structs, and to resolve the idea.
The D-bus core does not define an enumeration type, and in order for Go-dbus to support enumeration types, it is a good practice to use integers at the bottom of the D-bus to represent the enumeration type variables and to limit its valid values. The main issues involved are:
1,marshaling, the data in the go language into the d-bus wire format data;
2,unmarshaling, the D-bus wire format data into the data in the Go language;
3, processing introspection data accordingly.
Think of this for the time being, let's do it according to this idea.