mtree Module

Daniel-Constantin Mierla

   asipto.com

Edited by

Daniel-Constantin Mierla

   <miconda@gmail.com>

Juha Heinanen

   tutpro.com

Edited by

Juha Heinanen

   <jh@tutpro.com>

   Copyright © 2010 Daniel-Constantin Mierla (asipto.com)

   Copyright © 2011 Juha Heinanen
     __________________________________________________________________

   Table of Contents

   1. Admin Guide

        1. Overview
        2. Dependencies

              2.1. Kamailio Modules
              2.2. External Libraries or Applications

        3. Parameters

              3.1. db_url (string)
              3.2. db_table (string)
              3.3. mtree (string)
              3.4. tname_column (string)
              3.5. tprefix_column (string)
              3.6. tvalue_column (string)
              3.7. fetch_rows (integer)
              3.8. char_list (string)
              3.9. pv_value (string)
              3.10. pv_values (string)
              3.11. mt_tree_type (integer)
              3.12. mt_ignore_duplicates (integer)

        4. Functions

              4.1. mt_match(mtree, pv, mode)

        5. MI Commands

              5.1. mt_list
              5.2. mt_reload
              5.3. mt_summary

   List of Examples

   1.1. Set db_url parameter
   1.2. Set db_table parameter
   1.3. Set mtree parameter
   1.4. Set tname_column parameter
   1.5. Set tprefix_column parameter
   1.6. Set tvalue_column parameter
   1.7. Set fetch_rows parameter
   1.8. Set char_list parameter
   1.9. Set pv_value parameter
   1.10. Set pv_values parameter
   1.11. Set mt_tree_type parameter
   1.12. Set mt_ignore_duplicates parameter
   1.13. mt_match usage

Chapter 1. Admin Guide

   Table of Contents

   1. Overview
   2. Dependencies

        2.1. Kamailio Modules
        2.2. External Libraries or Applications

   3. Parameters

        3.1. db_url (string)
        3.2. db_table (string)
        3.3. mtree (string)
        3.4. tname_column (string)
        3.5. tprefix_column (string)
        3.6. tvalue_column (string)
        3.7. fetch_rows (integer)
        3.8. char_list (string)
        3.9. pv_value (string)
        3.10. pv_values (string)
        3.11. mt_tree_type (integer)
        3.12. mt_ignore_duplicates (integer)

   4. Functions

        4.1. mt_match(mtree, pv, mode)

   5. MI Commands

        5.1. mt_list
        5.2. mt_reload
        5.3. mt_summary

1. Overview

   This module loads data indexed by prefixes from database and returns
   associated string or precompiled value.

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:
     * A Kamailio database module (e.g., mysql).

2.2. External Libraries or Applications

   The following libraries or applications must be installed before
   running Kamailio with this module loaded:
     * None.

3. Parameters

   3.1. db_url (string)
   3.2. db_table (string)
   3.3. mtree (string)
   3.4. tname_column (string)
   3.5. tprefix_column (string)
   3.6. tvalue_column (string)
   3.7. fetch_rows (integer)
   3.8. char_list (string)
   3.9. pv_value (string)
   3.10. pv_values (string)
   3.11. mt_tree_type (integer)
   3.12. mt_ignore_duplicates (integer)

3.1. db_url (string)

   URL of the database server to be used.

   Default value is “mysql://openser:openserrw@localhost/openser”.

   Example 1.1. Set db_url parameter
...
modparam("mtree", "db_url", "dbdriver://username:password@dbhost/dbname")
...

3.2. db_table (string)

   Name of DB table where data for trees is store. It is ignored if a
   'mtree' parameter is defined.

   Default value is “mtrees”.

   Example 1.2. Set db_table parameter
...
modparam("mtree", "db_table", "mymtrees")
...

3.3. mtree (string)

   Definition of memory tree

   Default value is “none”.

   Example 1.3. Set mtree parameter
...
modparam("mtree", "mtree", "name=mytable;dbtable=routes;type=0;")
...

3.4. tname_column (string)

   Name of 'tname' column.

   Default value is “tname”.

   Example 1.4. Set tname_column parameter
...
modparam("mtree", "tname_column", "name")
...

3.5. tprefix_column (string)

   Name of 'tprefix' column.

   Default value is “tprefix”.

   Example 1.5. Set tprefix_column parameter
...
modparam("mtree", "tprefix_column", "prefix")
...

3.6. tvalue_column (string)

   Name of 'tvalue' column.

   Default value is “tvalue”.

   Example 1.6. Set tvalue_column parameter
...
modparam("mtree", "tvalue_column", "ipaddr")
...

3.7. fetch_rows (integer)

   Number of rows to be loaded in one step from database.

   Default value is 1000.

   Example 1.7. Set fetch_rows parameter
...
modparam("mtree", "fetch_rows", 4000)
...

3.8. char_list (string)

   The list with characters allowed in prefix.

   Default value is “0123456789”.

   Example 1.8. Set char_list parameter
...
modparam("mtree", "char_list", "0123456789*+")
...

3.9. pv_value (string)

   The PV spec where to store the matched value. It can be any writtable
   PV.

   Default value is “$avp(s:tvalue)”.

   Example 1.9. Set pv_value parameter
...
modparam("mtree", "pv_value", "$var(mtval)")
...

3.10. pv_values (string)

   The PV spec where to store the matched values when mtree consists of
   string values and mode of mt_match() call has value 2. It can be any
   AVP.

   Default value is “$avp(s:tvalues)”.

   Example 1.10. Set pv_values parameter
...
modparam("mtree", "pv_values", "$avp(mtvals)")
...

3.11. mt_tree_type (integer)

   Default payload type for trees data stored in 'db_table'.

   Default value is 0.

   Example 1.11. Set mt_tree_type parameter
...
modparam("mtree", "mt_tree_type", 1)
...

3.12. mt_ignore_duplicates (integer)

   Ignore duplicated prefixes when loading data.

   Default value is 0.

   Example 1.12. Set mt_ignore_duplicates parameter
...
modparam("mtree", "mt_ignore_duplicates", 1)
...

4. Functions

   4.1. mt_match(mtree, pv, mode)

4.1.  mt_match(mtree, pv, mode)

   Match 'pv' value against 'mtree'. If 'mtree' consists of string values
   (mtree type = 0) and value of 'mode' is NOT 2, sets value of longest
   matching prefix to pseudo variable specified by pv_value parameter. If
   'mtree' consists of string values (mtree type = 0) and value of 'mode'
   is 2, sets values of all matching prefixes to avp specified by
   pv_values parameter so that value of longest matching prefix is in avp
   index 0. 'mode' can be an integer constant or a pseudo variable with
   integer value.

   Example 1.13. mt_match usage
...
mt_match("mytree", "$rU", "0");
...

5. MI Commands

   5.1. mt_list
   5.2. mt_reload
   5.3. mt_summary

5.1.  mt_list

   List content of a tree.

   Name: mt_list

   Parameters:
     * _mtree_ : name of tree to list.

   MI FIFO Command Format:
                :mt_list:_reply_fifo_file_
                _mtname_
                _empty_line_

5.2.  mt_reload

   Reload mtree from database.

   Name: mt_mtree

   Parameters:
     * _mtname_
       - name of mem tree

   MI FIFO Command Format:
                :mt_reload:_reply_fifo_file_
                _mtname_
                _empty_line_

5.3.  mt_summary

   List usage summary for all trees.

   Name: mt_summary

   Parameters: none.

   MI FIFO Command Format:
                :mt_summary:_reply_fifo_file_
                _empty_line_
