private PDU sendRequestV1V2(PDU pdu, int version) throws Exception {
PDU response;
CommunityTarget target = new CommunityTarget();
target.setCommunity(new OctetString("public"));
target.setAddress(new UdpAddress(m_agent.getInetAddress(), m_agent.getPort()));
target.setVersion(version);
if (m_timeout > 0) {
target.setTimeout(m_timeout);
}
TransportMapping<UdpAddress> transport = null;
try {
transport = new DefaultUdpTransportMapping();
Snmp snmp = new Snmp(transport);
transport.listen();
ResponseEvent e = snmp.send(pdu, target);
response = e.getResponse();
} finally {
if (transport != null) {
transport.close();
}
}
return response;
}
private PDU sendRequestV3(PDU pdu) throws IOException {
PDU response;
OctetString userId = new OctetString("opennmsUser");
OctetString pw = new OctetString("0p3nNMSv3");
UserTarget target = new UserTarget();
target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
target.setSecurityName(userId);
target.setAddress(new UdpAddress(m_agent.getInetAddress(), m_agent.getPort()));
target.setVersion(SnmpConstants.version3);
if (m_timeout > 0) {
target.setTimeout(m_timeout);
} else {
target.setTimeout(5000);
}
TransportMapping<UdpAddress> transport = null;
try {
USM usm =
new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
SecurityModels.getInstance().addSecurityModel(usm);
transport = new DefaultUdpTransportMapping();
Snmp snmp = new Snmp(transport);
UsmUser user = new UsmUser(userId, AuthMD5.ID, pw, PrivDES.ID, pw);
snmp.getUSM().addUser(userId, user);
transport.listen();
ResponseEvent e = snmp.send(pdu, target);
response = e.getResponse();
} finally {
if (transport != null) {
transport.close();
}
}
return response;
}
// @Override
public void stop() throws IOException {
transport.close();
}
/**
* Starts the <code>MockSnmpAgent</code> running. Meant to be called from the <code>start</code>
* method of class <code>Thread</code>, but could also be used to bring up a standalone mock
* agent.
*
* @see org.snmp4j.agent.BaseAgent#run()
* @author Jeff Gehlbach
*/
@Override
public void run() {
s_log.info("MockSnmpAgent: Initializing SNMP Agent");
try {
init();
s_log.info("MockSnmpAgent: Finished 'init' loading config");
loadConfig(ImportModes.UPDATE_CREATE);
s_log.info("MockSnmpAgent: finished 'loadConfig' adding shutdown hook");
addShutdownHook();
s_log.info("MockSnmpAgent: finished 'addShutdownHook' finishing init");
finishInit();
s_log.info("MockSnmpAgent: finished 'finishInit' running agent");
super.run();
s_log.info("MockSnmpAgent: finished running Agent - setting running to true");
m_running.set(true);
} catch (final BindException e) {
s_log.error(
String.format(
"MockSnmpAgent: Unable to bind to %s. You probably specified an invalid address or a port < 1024 and are not running as root. Exception: %s",
m_address.get(), e),
e);
} catch (final Throwable t) {
s_log.error("MockSnmpAgent: An error occurred while initializing: " + t, t);
t.printStackTrace();
}
boolean interrupted = false;
s_log.info(
"MockSnmpAgent: Initialization Complete processing message until agent is shutdown.");
while (m_running.get()) {
try {
Thread.sleep(10); // fast, Fast, FAST, *FAST*!!!
} catch (final InterruptedException e) {
interrupted = true;
break;
}
}
s_log.info("MockSnmpAgent: Shutdown called stopping agent.");
for (final TransportMapping transportMapping : transportMappings) {
try {
if (transportMapping != null) {
transportMapping.close();
}
} catch (final IOException t) {
s_log.error(
"MockSnmpAgent: an error occurred while closing the transport mapping "
+ transportMapping
+ ": "
+ t,
t);
}
}
m_stopped.set(true);
s_log.info("MockSnmpAgent: Agent is no longer running.");
if (interrupted) {
Thread.currentThread().interrupt();
}
}