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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.snmp3-set" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>snmp3_set</refname>
<refpurpose>Set the value of an SNMP object</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>snmp3_set</methodname>
<methodparam><type>string</type><parameter>hostname</parameter></methodparam>
<methodparam><type>string</type><parameter>security_name</parameter></methodparam>
<methodparam><type>string</type><parameter>security_level</parameter></methodparam>
<methodparam><type>string</type><parameter>auth_protocol</parameter></methodparam>
<methodparam><type>string</type><parameter>auth_passphrase</parameter></methodparam>
<methodparam><type>string</type><parameter>privacy_protocol</parameter></methodparam>
<methodparam><type>string</type><parameter>privacy_passphrase</parameter></methodparam>
<methodparam><type class="union"><type>array</type><type>string</type></type><parameter>object_id</parameter></methodparam>
<methodparam><type class="union"><type>array</type><type>string</type></type><parameter>type</parameter></methodparam>
<methodparam><type class="union"><type>array</type><type>string</type></type><parameter>value</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>timeout</parameter><initializer>-1</initializer></methodparam>
<methodparam choice="opt"><type>int</type><parameter>retries</parameter><initializer>-1</initializer></methodparam>
</methodsynopsis>
<para>
<function>snmp3_set</function> is used to set the value of an <acronym>SNMP</acronym> object
specified by the <parameter>object_id</parameter>.
</para>
<para>
Even if the security level does not use an auth or priv protocol/password valid values have to be specified.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>hostname</parameter></term>
<listitem>
<para>
The hostname of the SNMP agent (server).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>security_name</parameter></term>
<listitem>
<para>
the security name, usually some kind of username
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>security_level</parameter></term>
<listitem>
<para>
the security level (noAuthNoPriv|authNoPriv|authPriv)
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>auth_protocol</parameter></term>
<listitem>
<para>
the authentication protocol (MD5 or SHA)
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>auth_passphrase</parameter></term>
<listitem>
<para>
the authentication pass phrase
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>privacy_protocol</parameter></term>
<listitem>
<para>
the privacy protocol (DES or AES)
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>privacy_passphrase</parameter></term>
<listitem>
<para>
the privacy pass phrase
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>object_id</parameter></term>
<listitem>
<para>
The <acronym>SNMP</acronym> object id.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>type</parameter></term>
<listitem>
&snmp.set.type.values;
&snmp.set.type.values.asn.mapping;
&snmp.set.type.values.equal.note;
&snmp.set.type.values.bitset.note;
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>value</parameter></term>
<listitem>
<para>
The new value
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>timeout</parameter></term>
<listitem>
<para>
The number of microseconds until the first timeout.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>retries</parameter></term>
<listitem>
<para>
The number of times to retry if timeouts occur.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
<para>
If the SNMP host rejects the data type, an E_WARNING message like "Warning: Error in packet. Reason: (badValue) The value given has the wrong type or length." is shown.
If an unknown or invalid OID is specified the warning probably reads "Could not add variable".
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>Using <function>snmp3_set</function></title>
<programlisting role="php">
<![CDATA[
<?php
snmp3_set('localhost', 'james', 'authPriv', 'SHA', 'secret007', 'AES', 'secret007', 'IF-MIB::ifAlias.3', 's', "foo");
?>
]]>
</programlisting>
</example>
<example>
<title>Using <function>snmp3_set</function> for setting BITS <acronym>SNMP</acronym> object id</title>
<programlisting role="php">
<![CDATA[
<?php
snmp3_set('localhost', 'james', 'authPriv', 'SHA', 'secret007', 'AES', 'secret007', 'FOO-MIB::bar.42', 'b', '0 1 2 3 4');
// or
snmp3_set('localhost', 'james', 'authPriv', 'SHA', 'secret007', 'AES', 'secret007', 'FOO-MIB::bar.42', 'x', 'F0');
?>
]]>
</programlisting>
</example>
</refsect1>
</refentry>
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