- $oid = null;
- if ($valtype == 'in') { $oid = '1.3.6.1.2.1.2.2.1.10.'.$ifnr; }
- elseif ($valtype == 'out') { $oid = '1.3.6.1.2.1.2.2.1.16.'.$ifnr; }
- if (!is_null($ifnr) && !is_null($oid)) {
- $evalcode = 'print(trim(substr(strrchr(`snmpget -v2c -c '.$snmpcomm.' '.$snmphost.' '.$oid.'`,":"),1)));';
+ elseif (substr($ds['update'], 0, 8) == 'snmp-if:') {
+ $snmphost = 'localhost'; $snmpcomm = 'public';
+ list($nix, $ifname, $valtype) = explode(':', $ds['update'], 3);
+ $iflist = explode("\n", `snmpwalk -v2c -c $snmpcomm $snmphost interfaces.ifTable.ifEntry.ifDescr`);
+ $ifnr = null;
+ foreach ($iflist as $ifdesc) {
+ if (preg_match('/ifDescr\.(\d+) = STRING: '.$ifname.'/', $ifdesc, $regs)) { $ifnr = $regs[1]; }
+ }
+ $oid = null;
+ if ($valtype == 'in') { $oid = '1.3.6.1.2.1.2.2.1.10.'.$ifnr; }
+ elseif ($valtype == 'out') { $oid = '1.3.6.1.2.1.2.2.1.16.'.$ifnr; }
+ if (!is_null($ifnr) && !is_null($oid)) {
+ $evalcode = 'print(trim(substr(strrchr(`snmpget -v2c -c '.$snmpcomm.' '.$snmphost.' '.$oid.'`,":"),1)));';
+ }
+ }
+ else { $evalcode = $ds['update']; }
+ if (!is_null($evalcode)) {
+ ob_start();
+ eval($evalcode);
+ $val = ob_get_contents();
+ ob_end_clean();