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SIPAPI Developer's Guide     Oracle Solaris 11.1 Information Library
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Document Information

Preface

1.  SIP Overview

2.  Oracle Solaris SIP Internals

SIP Stack Initialization

Generic Stack Parameters

Upper Layer Registrations

Connection Manager Interfaces

Custom Header Table

Header Management Layer

Writing Parsers For Custom Headers

Transaction Management Layer

Transaction Creation And Maintenance

Transaction Creation and ACK Signal Generation

Transaction Deletion

Transaction Lookup

Transaction Timers

Transaction And Network Errors

Dialog Management Layer

UAC Dialog Creation

UAS Dialog Creation

Dialog Caching

Dialog Termination, Deletion, and Notification

Message Formatting Layer

Receiving Messages

Sending Messages

Connection Manager

Connection Object

Caching a Connection Object

Freeing a Connection Object

Sending Messages

Receiving Messages

Transaction Layer and I/O Errors

Timer Management Layer

Generating Call-ID, From and To tags, Branch-ID and Cseq

Multithreading Support

3.  Multithreading and URI Support

4.  SIP API Functions

A.  Examples of Use

B.  Programming with the SIP API

C.  Transaction Timers

Index

Timer Management Layer

The timer management facility mimics the timeout and un-timeout functionality of the UNIX kernel. A thread maintains a list of timer objects sorted by time. The thread invokes the callback function at the interval that the timer specifies.

The stack initializes the timer layer during stack initialization. Initializing the timer layer starts the timer thread.

The sip_timeout() function takes the following arguments:

The return value of the timeout function is a timeout identifier. The tack can cancel a timeout by passing the timeout ID of the timeout to cancel to the sip_untimeout() function