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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<chapter xml:id="varnish.examples" xmlns="http://docbook.org/ns/docbook">
&reftitle.examples;
<section xml:id="varnish.example.admin">
<title>Basic VarnishAdmin usage</title>
<para>
The example illustrates a simple usage of the ban functionality
</para>
<example>
<title>Ban an URL</title>
<programlisting role="php">
<![CDATA[
<?php
$args = array(
VARNISH_CONFIG_HOST => "::1",
VARNISH_CONFIG_PORT => 6082,
VARNISH_CONFIG_SECRET => "5174826b-8595-4958-aa7a-0609632ad7ca",
VARNISH_CONFIG_TIMEOUT => 300,
);
$va = new VarnishAdmin($args);
try {
if(!$va->connect()) {
throw new VarnishException("Connection failed\n");
}
} catch (VarnishException $e) {
echo $e->getMessage();
exit(3);
}
try {
if(!$va->auth()) {
throw new VarnishException("Auth failed\n");
}
} catch (VarnishException $e) {
echo $e->getMessage();
exit(3);
}
try {
$status = $va->ban('req.url ~ "^/$"');
if (VARNISH_STATUS_OK != $status) {
throw new VarnishException("Ban method returned $status status\n");
}
} catch (VarnishException $e) {
echo $e->getMessage();
exit(3);
}
exit(0);
?>
]]>
</programlisting>
</example>
</section>
<section xml:id="varnish.example.stat">
<title>Basic VarnishStat usage</title>
<para>
The example illustrates getting varnish statistic snapshot from shared
memory
</para>
<example>
<title>Get statistic snapshot</title>
<programlisting role="php">
<![CDATA[
<?php
$vs = new VarnishStat;
try {
$data = $vs->getSnapshot();
} catch (VarnishException $e) {
echo $e->getMessage();
exit(3);
}
exit(0);
?>
]]>
</programlisting>
</example>
</section>
<section xml:id="varnish.example.log">
<title>Basic VarnishLog usage</title>
<para>
The example illustrates reading varnish log lines from shared memory
</para>
<example>
<title>Read varnish shared memory log</title>
<programlisting role="php">
<![CDATA[
<?php
$vl = new VarnishLog;
while(1) {
$line = $vl->getLine();
printf("%s %d %s", VarnishLog::getTagName($line['tag']), $line['id'],
$line['data']);
}
exit(0);
?>
]]>
</programlisting>
</example>
</section>
</chapter>
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sgml-parent-document:nil
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-->
|
