Examples with VariableBinding org.snmp4j.smi.VariableBinding used on opensource projects

Example 46 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project LogHub by fbacchella.

the class SNMPTrapGeneratorClient2 method sendSnmpV3Trap.

/**
 * Sends the v3 trap
 */
private static void sendSnmpV3Trap() {
    try {
        Address targetAddress = GenericAddress.parse("udp:" + ipAddress + "/" + port);
        TransportMapping<?> transport = new DefaultUdpTransportMapping();
        Snmp snmp = new Snmp(transport);
        USM usm = new USM(SecurityProtocols.getInstance().addDefaultProtocols(), new OctetString(MPv3.createLocalEngineID()), 0);
        SecurityProtocols.getInstance().addPrivacyProtocol(new PrivAES192());
        SecurityModels.getInstance().addSecurityModel(usm);
        transport.listen();
        snmp.getUSM().addUser(new OctetString("MD5DES"), new UsmUser(new OctetString("MD5DES"), AuthMD5.ID, new OctetString("UserName"), PrivAES128.ID, new OctetString("UserName")));
        // Create Target
        UserTarget target = new UserTarget();
        target.setAddress(targetAddress);
        target.setRetries(1);
        target.setTimeout(11500);
        target.setVersion(SnmpConstants.version3);
        target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
        target.setSecurityName(new OctetString("MD5DES"));
        // Create PDU for V3
        ScopedPDU pdu = new ScopedPDU();
        pdu.setType(ScopedPDU.NOTIFICATION);
        pdu.add(new VariableBinding(SnmpConstants.sysUpTime));
        pdu.add(new VariableBinding(SnmpConstants.snmpTrapOID, SnmpConstants.linkDown));
        pdu.add(new VariableBinding(new OID(trapOid), new OctetString("Major")));
        // Send the PDU
        snmp.send(pdu, target);
        System.out.println("Sending Trap to (IP:Port)=> " + ipAddress + ":" + port);
        snmp.addCommandResponder(new CommandResponder() {

            public void processPdu(CommandResponderEvent arg0) {
                System.out.println(arg0);
            }
        });
        snmp.close();
    } catch (Exception e) {
        System.err.println("Error in Sending Trap to (IP:Port)=> " + ipAddress + ":" + port);
        System.err.println("Exception Message = " + e.getMessage());
    }
}

Example 47 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project mysql_perf_analyzer by yahoo.

the class SNMPClient method get.

/**
 * This method is capable of handling multiple OIDs
 * @param oids
 * @return
 * @throws IOException
 */
public Map<OID, String> get(OID[] oids) throws IOException {
    PDU pdu = createPDU();
    for (OID oid : oids) {
        pdu.add(new VariableBinding(oid));
    }
    pdu.setType(PDU.GET);
    ResponseEvent event = snmp.send(pdu, getTarget(), null);
    if (event != null) {
        PDU pdu2 = event.getResponse();
        VariableBinding[] binds = pdu2 != null ? event.getResponse().toArray() : null;
        if (binds != null) {
            Map<OID, String> res = new LinkedHashMap<OID, String>(binds.length);
            for (VariableBinding b : binds) res.put(b.getOid(), b.getVariable().toString());
            return res;
        } else
            return null;
    }
    throw new RuntimeException("GET timed out");
}

Example 48 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project mysql_perf_analyzer by yahoo.

the class SNMPClient method getNetIfData.

public Map<String, List<SNMPTriple>> getNetIfData(String device) throws IOException {
    Map<Integer, String> ifMaps = new HashMap<Integer, String>();
    Map<String, List<SNMPTriple>> resMap = new HashMap<String, List<SNMPTriple>>();
    Map<String, String> res = new HashMap<String, String>();
    TableUtils tUtils = new TableUtils(snmp, new DefaultPDUFactory());
    logger.fine("Query " + this.address + " for network interface, excluding lo");
    @SuppressWarnings("unchecked") List<TableEvent> events = tUtils.getTable(getTarget(), new OID[] { new OID("." + IF_TABLE_OID) }, null, null);
    for (TableEvent event : events) {
        if (event.isError()) {
            logger.warning(this.address + ": SNMP event error: " + event.getErrorMessage() + ", already returned: " + ifMaps);
            continue;
        // throw new RuntimeException(event.getErrorMessage());
        }
        for (VariableBinding vb : event.getColumns()) {
            String key = vb.getOid().toString();
            String value = vb.getVariable().toString();
            res.put(key, value);
            if (key.startsWith(IF_TABLE_DEVICE_OID + ".")) {
                if (device != null && !device.isEmpty() && !value.equalsIgnoreCase(device))
                    continue;
                if (value != null && !value.equalsIgnoreCase("lo")) {
                    logger.fine("Find device OID entry: " + key);
                    int index = -1;
                    String[] strs = key.split("\\.");
                    try {
                        index = Integer.parseInt(strs[strs.length - 1]);
                        ifMaps.put(index, value);
                    } catch (Exception ex) {
                    }
                }
            }
        }
    // for var
    }
    for (Map.Entry<Integer, String> entry : ifMaps.entrySet()) {
        int index = entry.getKey();
        String ifName = entry.getValue();
        // ignore the case with no incoming and no outgoing traffic
        if ("0".equals(res.get(IF_TABLE_OID + ".6." + index)) && "0".equals(res.get(IF_TABLE_OID + ".10." + index)))
            continue;
        resMap.put(ifName, new ArrayList<SNMPTriple>(IF_TABLE_ENTRIES.length));
        for (int i = 1; i < IF_TABLE_ENTRIES.length; i++) {
            if (IF_TABLE_ENTRIES[i].length() == 0)
                continue;
            resMap.get(ifName).add(new SNMPTriple("." + IF_TABLE_OID + "." + i + "." + index, IF_TABLE_ENTRIES[i], res.get(IF_TABLE_OID + "." + i + "." + index)));
        }
    }
    return resMap;
}

Example 49 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project mysql_perf_analyzer by yahoo.

the class SNMPClient method getMultiDiskData.

public Map<String, List<SNMPTriple>> getMultiDiskData() throws IOException {
    Map<String, List<SNMPTriple>> resMap = new HashMap<String, List<SNMPTriple>>();
    Map<Integer, String> indexes = this.getDiskIndexes();
    if (indexes == null || indexes.size() == 0)
        return resMap;
    logger.fine("Query disk stats");
    PDU pdu = createPDU();
    int reqSize = 0;
    for (Map.Entry<Integer, String> entry : indexes.entrySet()) {
        for (int i = 1; i < DISK_TABLE_ENTRIES.length; i++) {
            if (DISK_TABLE_ENTRIES[i].length() == 0)
                continue;
            reqSize++;
            pdu.add(new VariableBinding(new OID("." + DISK_TABLE_OID + "." + i + "." + entry.getKey())));
        }
    }
    pdu.setType(PDU.GET);
    Map<String, String> res = new HashMap<String, String>(13);
    ResponseEvent event = snmp.send(pdu, getTarget(), null);
    if (event != null) {
        PDU resp = event.getResponse();
        if (resp == null) {
            logger.info(this.address + ": Unexpected snmp response: " + event + ", request size " + reqSize);
            return resMap;
        }
        VariableBinding[] binds = resp.toArray();
        for (VariableBinding b : binds) res.put(b.getOid().toString(), b.getVariable().toString());
    // logger.info(res.toString());
    }
    for (Map.Entry<Integer, String> entry : indexes.entrySet()) {
        List<SNMPTriple> resList = new ArrayList<SNMPTriple>(res.size());
        for (int i = 1; i < DISK_TABLE_ENTRIES.length; i++) {
            if (DISK_TABLE_ENTRIES[i].length() == 0)
                continue;
            resList.add(new SNMPTriple("." + DISK_TABLE_OID + "." + i + "." + entry.getKey(), DISK_TABLE_ENTRIES[i], res.get(DISK_TABLE_OID + "." + i + "." + entry.getKey())));
        }
        resMap.put(entry.getValue(), resList);
    }
    return resMap;
}

Example 50 with VariableBinding

use of org.snmp4j.smi.VariableBinding in project mysql_perf_analyzer by yahoo.

the class SNMPClient method getDiskIndexes.

private Map<Integer, String> getDiskIndexes() throws IOException {
    Map<Integer, String> diskIndexes = new HashMap<Integer, String>();
    TableUtils tUtils = new TableUtils(snmp, new DefaultPDUFactory());
    logger.fine("Query " + this.address + " for disk oids");
    @SuppressWarnings("unchecked") List<TableEvent> events = tUtils.getTable(getTarget(), new OID[] { new OID("." + DISK_TABLE_DEVICE_OID) }, null, null);
    for (TableEvent event : events) {
        if (event.isError()) {
            logger.warning(this.address + ": SNMP event error: " + event.getErrorMessage());
            continue;
        // throw new RuntimeException(event.getErrorMessage());
        }
        for (VariableBinding vb : event.getColumns()) {
            String key = vb.getOid().toString();
            String value = vb.getVariable().toString();
            // ignore dm disk
            if (value == null || value.isEmpty() || value.startsWith("dm-"))
                continue;
            // ignore dm disk
            if (value.startsWith("ram") || value.startsWith("loop"))
                continue;
            char c = value.charAt(value.length() - 1);
            if (c >= '0' && c <= '9') {
                if (value.startsWith("sd")) {
                    if (value.length() > 2) {
                        char d = value.charAt(2);
                        if (d >= 'a' && d <= 'z')
                            continue;
                    }
                }
            }
            logger.fine("Find device OID entry: " + key);
            int index = -1;
            String[] strs = key.split("\\.");
            try {
                index = Integer.parseInt(strs[strs.length - 1]);
                diskIndexes.put(index, value);
            } catch (Exception ex) {
            }
        }
    }
    return diskIndexes;
}