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

Example 21 with VariableBinding

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

the class SNMPClient method getProcessData.

public List<SNMPTriple> getProcessData(String processName) throws IOException {
    List<SNMPTriple> resList = new ArrayList<SNMPTriple>();
    List<Integer> prIndexes = this.getProcessIndexes(processName);
    if (prIndexes == null || prIndexes.size() == 0)
        return resList;
    logger.fine("Query process stats");
    PDU pdu = createPDU();
    for (Integer idx : prIndexes) {
        for (int i = 1; i < PROCESS_PERF_TABLE_ENTRIES.length; i++) {
            if (PROCESS_PERF_TABLE_ENTRIES[i].length() == 0)
                continue;
            pdu.add(new VariableBinding(new OID("." + PROCESS_PERF_TABLE_OID + "." + i + "." + idx)));
        // logger.info("Adding " + "."+PROCESS_PERF_TABLE_OID+"."+i+"."+idx);
        }
    }
    pdu.setType(PDU.GET);
    Map<String, String> res = new HashMap<String, String>(prIndexes.size() * 2);
    ResponseEvent event = snmp.send(pdu, getTarget(), null);
    if (event != null) {
        VariableBinding[] binds = event.getResponse().toArray();
        for (VariableBinding b : binds) {
            res.put(b.getOid().toString(), b.getVariable().toString());
        // logger.info(b.getOid().toString() +", "+ b.getVariable().toString());
        }
    }
    // logger.info("result: "+res);
    for (int i = 1; i < PROCESS_PERF_TABLE_ENTRIES.length; i++) {
        if (PROCESS_PERF_TABLE_ENTRIES[i].length() == 0)
            continue;
        BigDecimal data = new BigDecimal(0);
        for (Integer idx : prIndexes) {
            data = data.add(new BigDecimal(res.get(PROCESS_PERF_TABLE_OID + "." + i + "." + idx)));
        }
        resList.add(new SNMPTriple("", PROCESS_PERF_TABLE_ENTRIES[i], data.toString()));
    }
    return resList;
}

Example 22 with VariableBinding

use of org.snmp4j.smi.VariableBinding 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 23 with VariableBinding

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

the class SNMPClient method getEvent.

public ResponseEvent getEvent(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) {
        return event;
    }
    throw new RuntimeException("GET timed out");
}

Example 24 with VariableBinding

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

the class SNMPClient method getDiskData.

public List<SNMPTriple> getDiskData(String device) throws IOException {
    int index = this.getDiskIndex(device);
    if (index < 0) {
        return new ArrayList<SNMPTriple>();
    }
    logger.fine("Query disk stats for " + index);
    PDU pdu = createPDU();
    for (int i = 1; i < DISK_TABLE_ENTRIES.length; i++) {
        if (DISK_TABLE_ENTRIES[i].length() == 0)
            continue;
        pdu.add(new VariableBinding(new OID("." + DISK_TABLE_OID + "." + i + "." + index)));
    }
    pdu.setType(PDU.GET);
    Map<String, String> res = new HashMap<String, String>(13);
    ResponseEvent event = snmp.send(pdu, getTarget(), null);
    if (event != null) {
        VariableBinding[] binds = event.getResponse().toArray();
        for (VariableBinding b : binds) res.put(b.getOid().toString(), b.getVariable().toString());
    // logger.info(res.toString());
    }
    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 + "." + index, DISK_TABLE_ENTRIES[i], res.get(DISK_TABLE_OID + "." + i + "." + index)));
    }
    return resList;
}

Example 25 with VariableBinding

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

the class SNMPClient method getNetIfData3.

public Map<String, List<SNMPTriple>> getNetIfData3(String device) throws IOException {
    Map<String, List<SNMPTriple>> resMap = new HashMap<String, List<SNMPTriple>>();
    Map<Integer, String> indexMap = this.getNetIfIndexes(device);
    if (indexMap == null || indexMap.size() == 0) {
        logger.warning("Cannot find network interfaces ");
        return resMap;
    }
    logger.fine("Query net if stats for network");
    PDU pdu = createPDU();
    for (Map.Entry<Integer, String> entry : indexMap.entrySet()) for (int i = 1; i < IF_TABLE_ENTRIES.length; i++) {
        if (IF_TABLE_ENTRIES[i].length() == 0)
            continue;
        pdu.add(new VariableBinding(new OID("." + IF_TABLE_OID + "." + i + "." + entry.getKey())));
    }
    pdu.setType(PDU.GET);
    Map<String, String> res = new HashMap<String, String>(IF_TABLE_ENTRIES.length * indexMap.size());
    ResponseEvent event = snmp.send(pdu, getTarget(), null);
    if (event != null) {
        VariableBinding[] binds = event.getResponse().toArray();
        for (VariableBinding b : binds) res.put(b.getOid().toString(), b.getVariable().toString());
    // logger.info(res.toString());
    }
    for (Map.Entry<Integer, String> entry : indexMap.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;
}