Examples with DefaultPDUFactory org.snmp4j.util.DefaultPDUFactory used on opensource projects

Example 1 with DefaultPDUFactory

use of org.snmp4j.util.DefaultPDUFactory in project opennms by OpenNMS.

the class MockAgentTest method testWalkSystem.

public void testWalkSystem() throws IOException {
    Snmp snmp = new Snmp(new DefaultUdpTransportMapping());
    TableUtils walker = new TableUtils(snmp, new DefaultPDUFactory());
    snmp.listen();
    Address addr = new UdpAddress(InetAddress.getLocalHost(), 9161);
    // Address addr = new UdpAddress(InetAddressUtils.addr("192.168.0.100"), 161);
    Target target = new CommunityTarget(addr, new OctetString("public"));
    target.setVersion(SnmpConstants.version1);
    target.setTimeout(3000);
    target.setRetries(3);
    // Implements snmp4j API
    @SuppressWarnings("rawtypes") List results = walker.getTable(target, new OID[] { new OID("1.3.6.1.2.1.1") }, null, null);
    assertNotNull(results);
    assertFalse(results.isEmpty());
    assertTrue(results.get(results.size() - 1) instanceof TableEvent);
    TableEvent lastEvent = (TableEvent) results.get(results.size() - 1);
    MockUtil.println("Status of lastEvent is " + lastEvent.getStatus());
    assertEquals(TableEvent.STATUS_OK, lastEvent.getStatus());
}

Example 2 with DefaultPDUFactory

use of org.snmp4j.util.DefaultPDUFactory in project mysql_perf_analyzer by yahoo.

the class SNMPClient method getProcessIndexes.

// 1.3.6.1.2.1.25.4.2.1.2.
/**
 * Query index for given process name. Note the parameter only provides 128 characters,
 * so it could be difficult for us to differentiate each other if multi processes with same name exist.
 * So we will return this list and use the sum from all processes for our metrics
 * @param process
 * @return
 * @throws IOException
 */
private List<Integer> getProcessIndexes(String process) throws IOException {
    List<Integer> indexes = new ArrayList<Integer>();
    if (process == null || process.isEmpty())
        return indexes;
    TableUtils tUtils = new TableUtils(snmp, new DefaultPDUFactory());
    logger.fine("Query " + this.address + " for process " + process);
    @SuppressWarnings("unchecked") List<TableEvent> events = tUtils.getTable(getTarget(), new OID[] { new OID("." + PROCESS_TABLE_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();
            if (process != null && !process.isEmpty() && !value.equalsIgnoreCase(process))
                continue;
            if (value != null) {
                logger.fine("Find process OID entry: " + key);
                int index = -1;
                String[] strs = key.split("\\.");
                try {
                    index = Integer.parseInt(strs[strs.length - 1]);
                    indexes.add(index);
                } catch (Exception ex) {
                }
            }
        }
    }
    return indexes;
}

Example 3 with DefaultPDUFactory

use of org.snmp4j.util.DefaultPDUFactory in project mysql_perf_analyzer by yahoo.

the class SNMPClient method querySingleSNMPTableByOID.

public List<SNMPTriple> querySingleSNMPTableByOID(String oid) throws IOException {
    if (oid == null || oid.isEmpty())
        return null;
    if (!oid.startsWith("."))
        oid = "." + oid;
    TableUtils tUtils = new TableUtils(snmp, new DefaultPDUFactory());
    List<TableEvent> events = tUtils.getTable(getTarget(), new OID[] { new OID(oid) }, null, null);
    List<SNMPTriple> snmpList = new ArrayList<SNMPTriple>();
    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();
            snmpList.add(new SNMPTriple(key, "", value));
        }
    }
    return snmpList;
}

Example 4 with DefaultPDUFactory

use of org.snmp4j.util.DefaultPDUFactory in project nifi by apache.

the class SNMPGetter method walk.

/**
 * Perform a SNMP walk and returns the list of {@link TreeEvent}
 * @return the list of {@link TreeEvent}
 */
public List<TreeEvent> walk() {
    TreeUtils treeUtils = new TreeUtils(this.snmp, new DefaultPDUFactory());
    @SuppressWarnings("unchecked") List<TreeEvent> events = treeUtils.getSubtree(this.target, this.oid);
    return events;
}

Example 5 with DefaultPDUFactory

use of org.snmp4j.util.DefaultPDUFactory 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;
}