Inside Macintosh: Open Transport /

Chapter 4 - Mappers / Mappers Reference

Functions

This section describes mapper functions, provider functions that you use only with mappers to manage the mapping of entity names to endpoint addresses for a network. These functions fall into three categories: functions you use to create a mapper, functions you use to register a name or delete a registered name, and functions you use to search for a name or to validate a name-address pair.

As with other provider functions, you can execute mapper functions synchronously or asynchronously. Note, however, that Open Transport provides no function to cancel outstanding asynchronous mapper functions. The only way to cancel such functions is to close the mapper by calling the OTCloseProvider function, described in the chapter "Providers" earlier in this book.

You can also use general provider functions with mappers. You use these functions to change a function's mode of operation (for example, to blocking). General provider functions are described in the reference section of the chapter "Providers."

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Subtopics

Creating Mappers

Registering and Deleting Names

Looking Up Names