@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;
}
// If the criteria is met, find the AP and add it to the list
// 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;
}
public OnmsAccessPointCollection call() throws IOException {
OnmsAccessPointCollection apsUp = new OnmsAccessPointCollection();
InetAddress ipaddr = m_iface.getIpAddress();
// Retrieve this interface's SNMP peer object
SnmpAgentConfig agentConfig = SnmpPeerFactory.getInstance().getAgentConfig(ipaddr);
if (agentConfig == null) {
throw new IllegalStateException(
"SnmpAgentConfig object not available for interface " + 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.");
}
agentConfig.hashCode();
// Set timeout and retries on SNMP peer object
agentConfig.setTimeout(
ParameterMap.getKeyedInteger(m_parameters, "timeout", agentConfig.getTimeout()));
agentConfig.setRetries(
ParameterMap.getKeyedInteger(
m_parameters,
"retry",
ParameterMap.getKeyedInteger(m_parameters, "retries", agentConfig.getRetries())));
agentConfig.setPort(ParameterMap.getKeyedInteger(m_parameters, "port", agentConfig.getPort()));
if (log().isDebugEnabled()) {
log().debug("TableStrategy.poll: SnmpAgentConfig address= " + agentConfig);
}
// Establish SNMP session with interface
try {
SnmpObjId snmpObjectId = SnmpObjId.get(oid);
Map<SnmpInstId, SnmpValue> map =
SnmpUtils.getOidValues(agentConfig, "AccessPointMonitor::TableStrategy", snmpObjectId);
if (map.size() <= 0) {
throw new IOException("No entries found in table (possible timeout).");
}
for (Map.Entry<SnmpInstId, SnmpValue> entry : map.entrySet()) {
SnmpValue value = entry.getValue();
String physAddr = getPhysAddrFromValue(value);
log()
.debug(
"AP at value '"
+ value.toHexString()
+ "' with MAC '"
+ physAddr
+ "' is considered to be ONLINE on controller '"
+ m_iface.getIpAddress()
+ "'");
OnmsAccessPoint ap = m_accessPointDao.findByPhysAddr(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 '" + physAddr + "' is in a different package.");
}
} else {
log().info("No matching AP in database for value '" + value.toHexString() + "'.");
}
}
} catch (InterruptedException e) {
log().error("Interrupted while polling " + hostAddress, e);
}
return apsUp;
}