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make snmpwalk_cache_multi_oid really do what its name says, cache - should speed up junos bgp counters tremendously on large number of sessions

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git-svn-id: http://www.observium.org/svn/observer/trunk@1737 61d68cd4-352d-0410-923a-c4978735b2b8
This commit is contained in:
Tom Laermans
2010-11-24 12:00:09 +00:00
parent ec6d8cea37
commit 831724ab31
1 changed files with 24 additions and 15 deletions
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includes/snmp.inc.php
+24 -15
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@@ -230,23 +230,32 @@ function snmpwalk_cache_oid($device, $oid, $array, $mib = NULL, $mibdir = NULL)
function snmpwalk_cache_multi_oid($device, $oid, $array, $mib = NULL, $mibdir = NULL)
{
$data = snmp_walk($device, $oid, "-OQUs", $mib, $mibdir);
foreach(explode("\n", $data) as $entry) {
list($oid,$value) = explode("=", $entry);
$oid = trim($oid); $value = trim($value);
$oid_parts = explode(".", $oid);
$oid = $oid_parts['0'];
$index = $oid_parts['1'];
if (isset($oid_parts['2'])) { $index .= ".".$oid_parts['2']; }
if (isset($oid_parts['3'])) { $index .= ".".$oid_parts['3']; }
if (isset($oid_parts['4'])) { $index .= ".".$oid_parts['4']; }
if (isset($oid_parts['5'])) { $index .= ".".$oid_parts['5']; }
if (isset($oid_parts['6'])) { $index .= ".".$oid_parts['6']; }
if (!strstr($value, "at this OID") && isset($oid) && isset($index)) {
$array[$index][$oid] = $value;
global $cache;
if (!array_key_exists($oid,$cache['snmp'][$device['device_id']]))
{
$data = snmp_walk($device, $oid, "-OQUs", $mib, $mibdir);
foreach(explode("\n", $data) as $entry)
{
list($r_oid,$value) = explode("=", $entry);
$r_oid = trim($r_oid); $value = trim($value);
$oid_parts = explode(".", $r_oid);
$r_oid = $oid_parts['0'];
$index = $oid_parts['1'];
if (isset($oid_parts['2'])) { $index .= ".".$oid_parts['2']; }
if (isset($oid_parts['3'])) { $index .= ".".$oid_parts['3']; }
if (isset($oid_parts['4'])) { $index .= ".".$oid_parts['4']; }
if (isset($oid_parts['5'])) { $index .= ".".$oid_parts['5']; }
if (isset($oid_parts['6'])) { $index .= ".".$oid_parts['6']; }
if (!strstr($value, "at this OID") && isset($r_oid) && isset($index))
{
$array[$index][$r_oid] = $value;
}
}
$cache['snmp'][$device['device_id']][$oid] = $array;
}
return $array;
return $cache['snmp'][$device['device_id']][$oid];
}