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Chapter 4

Function Summary

4.1 Introduction
4.2 Using Connection Objects
4.3 Making One-Talker, One-Listener Connections
4.4 Working With Groups of Connections
4.5 Restoring Switch Configuration
4.6 PPX Server's Runtime Database

4.1 Introduction

This chapter summarizes the Point-to-Point Service functions, organized by task. ppxSubmit is asynchronous; all other Point-to-Point Switching functions are synchronous.

4.2 Using Connection Objects

The following functions are for working with connection objects:

Function

Description

ppxCreateConnection

 Creates a connection.

ppxOpenConnection

 Opens a named connection and gets a handle to the connection.

ppxCloseConnection

 Closes a connection, disconnecting any talker and/or listeners.

ppxDestroyNamedConnection

 Destroys resources associated with a named connection.

ppxSetTalker

 Sets the talker to a connection.

ppxAddListeners

 Adds listeners to a connection.

ppxRemoveListeners

 Removes listeners from a connection.

ppxSetDefaultPattern

 Sets a default pattern for a connection.

4.3 Making One-Talker, One-Listener Connections

The following convenience functions are for making one-talker, one-listener connections:

Function

Description

ppxConnect

 Makes a simplex, duplex, or quad connection.

ppxDisconnect

 Disconnects a simplex, duplex, or quad connection.

4.4 Working With Groups of Connections

The following functions perform atomic actions on groups of connections (in a single transaction):

Function

Description

ppxBegin

 Starts a list of Point-to-Point switching commands.

ppxSubmit

 Submits the list of switching commands.

ppxBeginCancel

 Cancels a begin/submit block.

4.5 Restoring Switch Configuration

ppxRestoreConnections is used to restore the system to the switch connections specified in the Point-to-Point Switching configuration file.

4.6 PPX Server's Runtime Database

ppxShowDB outputs the contents of the PPX runtime connection database to a file.


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