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

Example 6 with TableEvent

use of org.snmp4j.util.TableEvent 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("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 7 with TableEvent

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

the class SNMPClient method getDiskIndex.

private int getDiskIndex(String device) throws IOException {
    TableUtils tUtils = new TableUtils(snmp, new DefaultPDUFactory());
    logger.fine("Query " + this.address + " for disk data: " + device);
    @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();
            if (value != null && value.equals(device)) {
                logger.fine("Find device OID entry: " + key);
                int index = -1;
                String[] strs = key.split("\\.");
                try {
                    index = Integer.parseInt(strs[strs.length - 1]);
                } catch (Exception ex) {
                }
                return index;
            }
        }
    }
    return -1;
}