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Add snmp_getnext_multi() function (#8052)

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* Added snmp_getnext_multi() function using syntax of existing snmp_get_multi() function

* Fixed typo in comment and spurious newline in file

* Removed return of index value

* Correct statistic
This commit is contained in:
Andrew Holmes
2018-01-09 16:39:58 +11:00
committed by Tony Murray
parent a7aaf11213
commit 81fbe95039
1 changed files with 39 additions and 0 deletions
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39
includes/snmp.inc.php
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@@ -307,6 +307,45 @@ function snmp_getnext($device, $oid, $options = null, $mib = null, $mibdir = nul
return false;
}
/**
* Calls snmpgetnext for multiple OIDs. Getnext returns the next oid after the specified oid.
* For example instead of get sysName.0, you can getnext sysName to get the .0 value.
*
* @param array $device Target device
* @param string $oids The oids to getnext
* @param string $options Options to pass to snmpgetnext (-OQUs for example)
* @param string $mib The MIB to use
* @param string $mibdir Optional mib directory to search
* @return array|false the output or false if the data could not be fetched
*/
function snmp_getnext_multi($device, $oids, $options = '-OQUs', $mib = null, $mibdir = null, $array = array())
{
$time_start = microtime(true);
if (is_array($oids)) {
$oids = implode(' ', $oids);
}
$snmpcmd = Config::get('snmpgetnext', 'snmpgetnext');
$cmd = gen_snmp_cmd($snmpcmd, $device, $oids, $options, $mib, $mibdir);
$data = trim(external_exec($cmd), "\" \n\r");
foreach (explode("\n", $data) as $entry) {
list($oid,$value) = explode('=', $entry, 2);
$oid = trim($oid);
$value = trim($value, "\" \n\r");
list($oid, $index) = explode('.', $oid, 2);
if (!str_contains($value, 'at this OID')) {
if (empty($oid)) {
continue; // no index or oid
} else {
$array[$oid] = $value;
}
}
}
recordSnmpStatistic('snmpgetnext', $time_start);
return $array;
}//end snmp_getnext_multi()
/**
* @param $device
* @return bool