[sr-dev] git:master: dialplan Update documentation
Olle E. Johansson
oej at edvina.net
Wed Dec 3 22:07:32 CET 2014
Module: sip-router
Branch: master
Commit: a6d1a6ef65dc6e7a356ada2c71d95e04ff13f2b9
URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=a6d1a6ef65dc6e7a356ada2c71d95e04ff13f2b9
Author: Olle E. Johansson <oej at edvina.net>
Committer: Olle E. Johansson <oej at edvina.net>
Date: Wed Dec 3 22:07:15 2014 +0100
dialplan Update documentation
---
modules/dialplan/README | 44 +++++++++++++++++++------------
modules/dialplan/doc/dialplan_admin.xml | 37 +++++++++++++++++++-------
2 files changed, 54 insertions(+), 27 deletions(-)
diff --git a/modules/dialplan/README b/modules/dialplan/README
index d1025f5..08ee011 100644
--- a/modules/dialplan/README
+++ b/modules/dialplan/README
@@ -130,30 +130,39 @@ Chapter 1. Admin Guide
This module implements generic string translations based on matching
and replacement rules. It can be used to manipulate the request URI or
- a PV and to translate to a new format/value.
+ a PV and to translate it to a new format/value. Dialplan can also be
+ used to match a given URI and retrieve a set of attributes based on the
+ match. It is a very flexible module that can be used to handle call
+ routing, prefix rewrites and much more.
2. How it works
- At startup, the module will load a set of transformation rules from a
- database. Rules are grouped into dialplans. Every database row will be
- stored in memory as a translation rule. Each rule will describe how the
- matching will be made, how the input value will be modified and which
- attributes that will be set for the matching transformation.
+ At startup the module will load a set of matching and transformation
+ rules from a database. Rules are grouped into dialplans. Every database
+ row will be stored in memory as a dialplan rule. Each rule will
+ describe how the matching will be made, how the input value will be
+ modified and which attributes that will be set for the matching
+ transformation.
The module expects an input value which will be matched against a rule
by using regular expressions (see 'man pcresyntax' for syntax), string
or fnmatch (see 'man fnmatch') matching. Overlapping matching
- expressions can be controlled via priorities. Once a rule is matched,
- the defined transformation (if any) is applied and the result is
- returned as output value. Also, if any string attribute is associated
- to the rule, this will be returned to the script along with the output
- value. This can be used to identify the used rule.
+ expressions can be controlled via priorities. One priority can have
+ multiple dialplan entries. Priorities need not be numbered with
+ consecutive numbers. The next higher priority will be used after trying
+ to match all entries in one priority.
+
+ Once a rule is matched, the defined transformation (if any) is applied
+ and the result is returned as output value. Also, if any string
+ attribute is associated to the rule, this will be returned to the
+ script along with the output value. This can be used to identify the
+ used rule.
The first matching rule will be processed.
3. Dialplan use cases
- The module can be used to implement multiple dialplans - do to
+ The module can be used to implement multiple dialplans - to do
auto-completion of dialed numbers (like national to international), to
convert generic numbers to specific numbers (like for emergency
numbers).
@@ -489,7 +498,7 @@ xlog("translated to var $var(y) \n");
dpid: 1
pr: 1
match_op: 1
-match_exp: ^0([1-9][0-9]+)$
+match_exp: ^0[1-9][0-9]+$
match_len: 0
subst_exp: ^0([1-9][0-9]+)$
repl_exp: 0049\1
@@ -498,7 +507,7 @@ attrs: de
dpid: 1
pr: 2
match_op: 1
-match_exp: ^0([1-9][0-9]+)$
+match_exp: ^0[1-9][0-9]+$
match_len: 0
subst_exp: ^0(.+)$
repl_exp: $var(prefix)\1
@@ -512,9 +521,10 @@ attrs: xyz
private variables ($var(...)) and AVPs with static name are among those
that are safe to use in replacement expressions.
- The match_op field specify matching operator, valid values: 0 - string
- comparison; 1 - regular expression matching (pcre); 2 - fnmatch
- (shell-like pattern) matching.
+ The match_op field specify matching operator, valid values:
+ * 0 - string comparison;
+ * 1 - regular expression matching (pcre);
+ * 2 - fnmatch (shell-like pattern) matching.
Chapter 2. Developer's Guide
diff --git a/modules/dialplan/doc/dialplan_admin.xml b/modules/dialplan/doc/dialplan_admin.xml
index 21b31d2..6b07a2d 100644
--- a/modules/dialplan/doc/dialplan_admin.xml
+++ b/modules/dialplan/doc/dialplan_admin.xml
@@ -18,16 +18,19 @@
<para>
This module implements generic string translations based on matching and
replacement rules. It can be used to manipulate the request URI or a PV and to
- translate to a new format/value.
+ translate it to a new format/value. Dialplan can also be used to match
+ a given URI and retrieve a set of attributes based on the match. It is a very
+ flexible module that can be used to handle call routing, prefix rewrites
+ and much more.
</para>
</section>
<section id="dialplan.introduction">
<title>How it works</title>
<para>
- At startup, the module will load a set of transformation rules from a
+ At startup the module will load a set of matching and transformation rules from a
database. Rules are grouped into dialplans. Every database row will be
- stored in memory as a translation rule. Each rule will describe how the
+ stored in memory as a dialplan rule. Each rule will describe how the
matching will be made, how the input value will be modified and which
attributes that will be set for the matching transformation.
</para>
@@ -35,7 +38,12 @@
The module expects an input value which will be matched against a rule
by using regular expressions (see 'man pcresyntax' for syntax), string
or fnmatch (see 'man fnmatch') matching. Overlapping matching expressions
- can be controlled via priorities.
+ can be controlled via priorities. One priority can have multiple
+ dialplan entries. Priorities need not be numbered with consecutive
+ numbers. The next higher priority will be used after trying to match all
+ entries in one priority.
+ </para>
+ <para>
Once a rule is matched, the defined transformation (if any) is applied and
the result is returned as output value. Also, if any string attribute is
associated to the rule, this will be returned to the script along with
@@ -49,7 +57,7 @@
<section id="dialplan.usecases">
<title>Dialplan use cases</title>
<para>
- The module can be used to implement multiple dialplans - do to
+ The module can be used to implement multiple dialplans - to do
auto-completion of dialed numbers (like national to international),
to convert generic numbers to specific numbers (like for emergency numbers).
</para>
@@ -61,8 +69,8 @@
<para>
Non-SIP string translation can be implemented - like converting country
names from all possible formats to a canonical format:
- (UK, England, United Kingdom) -> GB.
- </para>
+ <emphasis>(UK, England, United Kingdom) -> GB.
+ </emphasis></para>
<para>
Any other string-base translation or detection for whatever other purposes.
</para>
@@ -610,7 +618,7 @@ xlog("translated to var $var(y) \n");
dpid: 1
pr: 1
match_op: 1
-match_exp: ^0([1-9][0-9]+)$
+match_exp: ^0[1-9][0-9]+$
match_len: 0
subst_exp: ^0([1-9][0-9]+)$
repl_exp: 0049\1
@@ -619,7 +627,7 @@ attrs: de
dpid: 1
pr: 2
match_op: 1
-match_exp: ^0([1-9][0-9]+)$
+match_exp: ^0[1-9][0-9]+$
match_len: 0
subst_exp: ^0(.+)$
repl_exp: $var(prefix)\1
@@ -637,8 +645,17 @@ attrs: xyz
</para>
<para>
The match_op field specify matching operator, valid values:
- 0 - string comparison; 1 - regular expression matching (pcre);
+ <itemizedlist>
+ <listitem>
+ 0 - string comparison;
+ </listitem>
+ <listitem>
+ 1 - regular expression matching (pcre);
+ </listitem>
+ <listitem>
2 - fnmatch (shell-like pattern) matching.
+ </listitem>
+ </itemizedlist>
</para>
</section>
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