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

Example 1 with TableEvent

use of org.snmp4j.util.TableEvent 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("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 2 with TableEvent

use of org.snmp4j.util.TableEvent 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("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 3 with TableEvent

use of org.snmp4j.util.TableEvent 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 4 with TableEvent

use of org.snmp4j.util.TableEvent 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("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;
}

Example 5 with TableEvent

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

the class SNMPClient method getNetIfIndexes.

private Map<Integer, String> getNetIfIndexes(String device) throws IOException {
    Map<Integer, String> ifMaps = new HashMap<Integer, 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_DEVICE_OID) }, null, null);
    for (TableEvent event : events) {
        if (event.isError()) {
            logger.warning("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 (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) {
                }
            }
        }
    }
    return ifMaps;
}