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librenms-librenms/includes/polling/netstats/netstats-ip.inc.php

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<?php
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if ($device['os'] != 'Snom') {
echo ' IP';
// These are at the start of large trees that we don't want to walk the entirety of, so we snmp_get_multi them
$oids = array(
'ipForwDatagrams',
'ipInDelivers',
'ipInReceives',
'ipOutRequests',
'ipInDiscards',
'ipOutDiscards',
'ipOutNoRoutes',
'ipReasmReqds',
'ipReasmOKs',
'ipReasmFails',
'ipFragOKs',
'ipFragFails',
'ipFragCreates',
'ipInUnknownProtos',
'ipInHdrErrors',
'ipInAddrErrors',
);
$rrd_def = array();
$snmpstring = '';
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foreach ($oids as $oid) {
$oid_ds = substr($oid, 0, 19);
$rrd_def[] = "DS:$oid_ds:COUNTER:600:U:100000000000";
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$snmpstring .= ' IP-MIB::'.$oid.'.0';
}
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$data = snmp_get_multi($device, $snmpstring, '-OQUs', 'IP-MIB');
$fields = array();
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foreach ($oids as $oid) {
if (is_numeric($data[0][$oid])) {
$value = $data[0][$oid];
} else {
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$value = 'U';
}
$fields[$oid] = $value;
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}
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if (isset($data[0]['ipOutRequests']) && isset($data[0]['ipInReceives'])) {
$tags = compact('rrd_def');
data_update($device, 'netstats-ip', $tags, $fields);
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$graphs['netstat_ip'] = true;
$graphs['netstat_ip_frag'] = true;
}
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}//end if
unset($oids, $data, $snmpstring, $rrd_def, $fields, $tags);