The CRNP uses three types of messages, all of which are XML-based, as described in the following table. These message types are described in more detail later in this chapter. Usage is also described in more detail later in this chapter.
Type of Message |
Description |
---|---|
SC_CALLBACK_REG |
This message takes four forms: ADD_CLIENT, REMOVE_CLIENT, ADD_EVENTS, and REMOVE_EVENTS. Each of these forms contains the following information:
The ADD_CLIENT, ADD_EVENTS, and REMOVE_EVENTS forms also contain an unbounded list of event types, each of which includes the following information:
Together, the event class and event subclass define a unique “event type.” The DTD (document type definition) from which the classes of SC_CALLBACK_REG are generated is SC_CALLBACK_REG. This DTD is described in more detail in Appendix F, Document Type Definitions for CRNP. |
SC_EVENT |
This message contains the following information:
The values in an SC_EVENT are not typed. The DTD (document type definition) from which the classes of SC_EVENT are generated is SC_EVENT. This DTD is described in more detail in Appendix F, Document Type Definitions for CRNP. |
SC_REPLY |
This message contains the following information:
The DTD (document type definition) from which the classes of SC_REPLY are generated is SC_REPLY. This DTD is described in more detail in Appendix F, Document Type Definitions for CRNP. |