Examples with SnmpObjId org.opennms.netmgt.snmp.SnmpObjId used on opensource projects

Example 71 with SnmpObjId

use of org.opennms.netmgt.snmp.SnmpObjId in project opennms by OpenNMS.

the class InstanceStrategy method call.

@Override
public OnmsAccessPointCollection call() throws IOException {
    OnmsAccessPointCollection apsUp = new OnmsAccessPointCollection();
    InetAddress ipaddr = m_iface.getIpAddress();
    // Retrieve this interface's SNMP peer object
    SnmpAgentConfig agentConfig = getAgentConfig(ipaddr);
    final String hostAddress = InetAddressUtils.str(ipaddr);
    LOG.debug("poll: setting SNMP peer attribute for interface {}", hostAddress);
    // Get configuration parameters
    String oid = ParameterMap.getKeyedString(m_parameters, "oid", null);
    if (oid == null) {
        throw new IllegalStateException("oid parameter is not set.");
    }
    String operator = ParameterMap.getKeyedString(m_parameters, "operator", null);
    String operand = ParameterMap.getKeyedString(m_parameters, "operand", null);
    String matchstr = ParameterMap.getKeyedString(m_parameters, "match", "true");
    LOG.debug("InstanceStrategy.poll: SnmpAgentConfig address= {}", agentConfig);
    // Establish SNMP session with interface
    try {
        SnmpObjId snmpObjectId = SnmpObjId.get(oid);
        Map<SnmpInstId, SnmpValue> map = SnmpUtils.getOidValues(agentConfig, "AccessPointMonitor::InstanceStrategy", snmpObjectId);
        if (map.size() <= 0) {
            throw new IOException("No entries found in table (possible timeout).");
        }
        for (Map.Entry<SnmpInstId, SnmpValue> entry : map.entrySet()) {
            boolean isUp = false;
            SnmpInstId instance = entry.getKey();
            SnmpValue value = entry.getValue();
            // Check the value against the configured criteria
            if (meetsCriteria(value, operator, operand)) {
                if ("true".equals(matchstr)) {
                    isUp = true;
                }
            } else if ("false".equals(matchstr)) {
                isUp = true;
            }
            // of online APs
            if (isUp) {
                String physAddr = getPhysAddrFromInstance(instance);
                LOG.debug("AP at instance '{}' with MAC '{}' is considered to be ONLINE on controller '{}'", instance, physAddr, m_iface.getIpAddress());
                OnmsAccessPoint ap = m_accessPointDao.get(physAddr);
                if (ap != null) {
                    if (ap.getPollingPackage().compareToIgnoreCase(getPackage().getName()) == 0) {
                        // Save the controller's IP address
                        ap.setControllerIpAddress(ipaddr);
                        apsUp.add(ap);
                    } else {
                        LOG.info("AP with MAC '{}' is in a different package.", physAddr);
                    }
                } else {
                    LOG.info("No matching AP in database for instance '{}'.", instance);
                }
            }
        }
    } catch (NumberFormatException e) {
        LOG.error("Number operator used on a non-number ", e);
    } catch (IllegalArgumentException e) {
        LOG.error("Invalid SNMP Criteria ", e);
    } catch (InterruptedException e) {
        LOG.error("Interrupted while polling {}", hostAddress, e);
    }
    return apsUp;
}