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UUID Module

Daniel-Constantin Mierla

   <miconda@gmail.com>

Edited by

Daniel-Constantin Mierla

   <miconda@gmail.com>

   Copyright © 2014 asipto.com
     __________________________________________________________________

   Table of Contents

   1. Admin Guide

        1. Overview
        2. Dependencies

              2.1. Kamailio Modules
              2.2. External Libraries or Applications

        3. Usage

   List of Examples

   1.1. $uuid(type) usage

Chapter 1. Admin Guide

   Table of Contents

   1. Overview
   2. Dependencies

        2.1. Kamailio Modules
        2.2. External Libraries or Applications

   3. Usage

1. Overview

   This module exports the $uuid(type) class of variables that return
   unique values using functions from the libuuid library. UUIDs are used
   in the +sip.instance media feature tag in SIP, but can also be used for
   other purposes, like defining a unique session ID for a group of SIP
   dialogs.

2. Dependencies

   2.1. Kamailio Modules
   2.2. External Libraries or Applications

2.1. Kamailio Modules

   The following modules must be loaded before this module:
     * none.

2.2. External Libraries or Applications

   The following libraries or applications must be installed before
   running Kamailio with this module loaded:
     * libuuid - OSSP uuid - Universally Unique Identifier (UUID) Library

3. Usage

   The following variables can be used:
     * $uuid(g) - return the UUID value using uuid_generate().
     * $uuid(r) - return the UUID value using uuid_generate_random().
     * $uuid(t) - return the UUID value using uuid_generate_time().
     * $uuid(s) - return the UUID value using uuid_generate_time_safe().
       If the generation was not safe, the variable returns $null. The
       function is not available on Mac OS X - the value is the one
       returned by uuid_generate_time().

   Example 1.1. $uuid(type) usage
...
$var(uuid) = $uuid(g);
xdbg("generated uuid is [$var(uuid)]\n");
add_rr_param(";uuid=$var(uuid)");
...