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;
}
public void initComm() throws IOException {
// 设置管理进程的IP和端口
targetAddress = GenericAddress.parse("udp:192.168.0.91/162");
TransportMapping transport = new DefaultUdpTransportMapping();
snmp = new Snmp(transport);
transport.listen();
}
/**
* Start the Snmp session. If you forget the listen() method you will not get any answers because
* the communication is asynchronous and the listen() method listens for answers.
*
* @throws IOException
*/
@SuppressWarnings({"rawtypes", "unchecked"})
private void start() throws IOException {
TransportMapping transport = new DefaultUdpTransportMapping();
snmp = new Snmp(transport);
USM usm =
new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
SecurityModels.getInstance().addSecurityModel(usm);
transport.listen();
System.out.println(transport.getListenAddress());
System.out.println(transport.isListening());
}
public String snmpGet(String strAddress, String community, String strOID) // SNMPget
{
String str = "";
try {
OctetString community1 = new OctetString(community);
strAddress = strAddress + "/" + 161; // Direccion + Puerto SNMP
Address targetaddress = new UdpAddress(strAddress); // direccion con puerto
TransportMapping transport = new DefaultUdpTransportMapping();
transport.listen();
/*
* Este metodo regresa un Target, que contiene informacion acerca de los
* datos y como deben ser mostrados y sus rangos.
*/
CommunityTarget comtarget = new CommunityTarget();
comtarget.setCommunity(community1);
comtarget.setVersion(SnmpConstants.version1);
comtarget.setAddress(targetaddress);
comtarget.setRetries(2);
comtarget.setTimeout(5000);
PDU pdu = new PDU();
ResponseEvent response;
Snmp snmp;
pdu.add(new VariableBinding(new OID(strOID)));
pdu.setType(PDU.GET);
snmp = new Snmp(transport);
response = snmp.get(pdu, comtarget);
if (response != null) {
if (response.getResponse().getErrorStatusText().equalsIgnoreCase("Success")) {
PDU pduresponse = response.getResponse();
str = pduresponse.getVariableBindings().firstElement().toString();
if (str.contains("=")) {
int len = str.indexOf("=");
str = str.substring(len + 1, str.length());
}
}
} else {
System.out.println("Feeling like a TimeOut occured ");
}
// En caso de que ocurra un Time out
snmp.close(); // cierra conexión
} catch (Exception e) {
}
System.out.println("Response= " + str); // en caso de ocurrio error lo arroja
return str;
}
public void SentGetSnmp() throws IOException {
TransportMapping transport = new DefaultUdpTransportMapping();
transport.listen();
// Target
CommunityTarget target = CreateAndSetTarget();
// PDU
PDU pdu = CreateAndSetPdu();
// SNMP
Snmp snmp = new Snmp(transport);
// System.out.println("Sending request to " + ipFromInput + " ...");
ResponseEvent response = snmp.get(pdu, target);
if (response != null) {
// System.out.println("Got response from " + ipFromInput);
PDU responsePdu = response.getResponse();
if (responsePdu != null) {
int errorStatus = responsePdu.getErrorStatus();
int errorIndex = responsePdu.getErrorIndex();
String errorStatusText = responsePdu.getErrorStatusText();
if (errorStatus == PDU.noError) {
readResponse(responsePdu.getVariableBindings());
// System.out.println(responsePdu.getVariableBindings().getClass());
// System.out.println("SNMP get response: " + responsePdu.getVariableBindings());
} else {
System.out.println("Error: Request Failed");
System.out.println("Error Status: " + errorStatus);
System.out.println("Error Index: " + errorIndex);
System.out.println("Error Status Text: " + errorStatusText);
}
} else {
System.out.println("Error: PDU response is null");
}
} else {
System.out.println("Error: Agent Timeout");
}
snmp.close();
}
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;
}
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
TransportMapping transport = new DefaultUdpTransportMapping();
Snmp snmp = new Snmp(transport);
MessageDispatcherImpl dispatcher = new MessageDispatcherImpl();
transport.listen();
Address targetAddress = new UdpAddress("202.144.0.178/161");
// setting up target
CommunityTarget target = new CommunityTarget();
target.setCommunity(new OctetString("public"));
target.setAddress(targetAddress);
target.setRetries(2);
target.setTimeout(1500);
target.setVersion(SnmpConstants.version1);
// creating PDU
PDU pdu = new PDU();
pdu.add(new VariableBinding(new OID(new int[] {1, 3, 6, 1, 2, 1, 1, 1})));
pdu.add(new VariableBinding(new OID(new int[] {1, 3, 6, 1, 2, 1, 1, 2})));
pdu.setType(PDU.GETNEXT);
// sending request
ResponseListener listener =
new ResponseListener() {
public void onResponse(ResponseEvent event) {
// Always cancel async request when response has been received
// otherwise a memory leak is created! Not canceling a request
// immediately can be useful when sending a request to a
// broadcast
// address.
((Snmp) event.getSource()).cancel(event.getRequest(), this);
System.out.println("Received response PDU is: " + event.getResponse());
}
};
snmp.set(pdu, target, null, listener);
// snmp.sendPDU(pdu, target, null, listener);
}
public void snmpSet(String strAddress, String community, String strOID, int Value) {
strAddress = strAddress + "/" + 161; // Direccion + Puerto SNMP
Address targetAddress = GenericAddress.parse(strAddress); // direccion con puerto
Snmp snmp;
try {
TransportMapping transport = new DefaultUdpTransportMapping();
snmp = new Snmp(transport);
transport.listen();
/*
* Este metodo regresa un Target, que contiene informacion acerca de los
* datos y como deben ser mostrados y sus rangos.
*/
CommunityTarget target =
new CommunityTarget(); // representa las propiedades del target SNMP basado en proceso de
// modelos
target.setCommunity(new OctetString(community));
target.setAddress(targetAddress);
target.setRetries(2);
target.setTimeout(5000);
target.setVersion(SnmpConstants.version1);
PDU pdu = new PDU();
pdu.add(new VariableBinding(new OID(strOID), new Integer32(Value)));
pdu.setType(PDU.SET);
ResponseListener listener =
new ResponseListener() {
@Override // public method declared in Object
public void onResponse(ResponseEvent event) {
((Snmp) event.getSource()).cancel(event.getRequest(), this);
System.out.println("Set Status is:" + event.getResponse().getErrorStatusText());
// Impresion del status de la respuesta
}
};
snmp.send(pdu, target, null, listener); // envio de parametros
snmp.close(); // cierra socket snmp
} catch (Exception e) {
}
}
/**
* Start the Snmp session. If you forget the listen() method you will not get any answers because
* the communication is asynchronous and the listen() method listens for answers.
*
* @throws IOException
*/
private void start() throws IOException {
TransportMapping transport = new DefaultUdpTransportMapping();
snmp = new Snmp(transport);
// Do not forget this line!
transport.listen();
}
public Result execute(Result previousResult, int nr) {
Result result = previousResult;
result.setNrErrors(1);
result.setResult(false);
String servername = environmentSubstitute(serverName);
int nrPort = Const.toInt(environmentSubstitute("" + port), DEFAULT_PORT);
String Oid = environmentSubstitute(oid);
int timeOut = Const.toInt(environmentSubstitute("" + timeout), DEFAULT_TIME_OUT);
int retry = Const.toInt(environmentSubstitute("" + nrretry), 1);
String messageString = environmentSubstitute(message);
Snmp snmp = null;
try {
TransportMapping transMap = new DefaultUdpTransportMapping();
snmp = new Snmp(transMap);
UdpAddress udpAddress = new UdpAddress(InetAddress.getByName(servername), nrPort);
ResponseEvent response = null;
if (targettype.equals(target_type_Code[0])) {
// Community target
String community = environmentSubstitute(comString);
CommunityTarget target = new CommunityTarget();
PDUv1 pdu1 = new PDUv1();
transMap.listen();
target.setCommunity(new OctetString(community));
target.setVersion(SnmpConstants.version1);
target.setAddress(udpAddress);
if (target.getAddress().isValid()) {
if (log.isDebug()) {
logDebug("Valid IP address");
}
} else {
throw new KettleException("Invalid IP address");
}
target.setRetries(retry);
target.setTimeout(timeOut);
// create the PDU
pdu1.setGenericTrap(6);
pdu1.setSpecificTrap(PDUv1.ENTERPRISE_SPECIFIC);
pdu1.setEnterprise(new OID(Oid));
pdu1.add(new VariableBinding(new OID(Oid), new OctetString(messageString)));
response = snmp.send(pdu1, target);
} else {
// User target
String userName = environmentSubstitute(user);
String passPhrase = environmentSubstitute(passphrase);
String engineID = environmentSubstitute(engineid);
UserTarget usertarget = new UserTarget();
transMap.listen();
usertarget.setAddress(udpAddress);
if (usertarget.getAddress().isValid()) {
if (log.isDebug()) {
logDebug("Valid IP address");
}
} else {
throw new KettleException("Invalid IP address");
}
usertarget.setRetries(retry);
usertarget.setTimeout(timeOut);
usertarget.setVersion(SnmpConstants.version3);
usertarget.setSecurityLevel(SecurityLevel.AUTH_PRIV);
usertarget.setSecurityName(new OctetString("MD5DES"));
// Since we are using SNMPv3 we use authenticated users
// this is handled by the UsmUser and USM class
UsmUser uu =
new UsmUser(
new OctetString(userName),
AuthMD5.ID,
new OctetString(passPhrase),
PrivDES.ID,
new OctetString(passPhrase));
USM usm = snmp.getUSM();
if (usm == null) {
throw new KettleException("Null Usm");
} else {
usm =
new USM(
SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
usm.addUser(new OctetString(userName), uu);
if (log.isDebug()) {
logDebug("Valid Usm");
}
}
// create the PDU
ScopedPDU pdu = new ScopedPDU();
pdu.add(new VariableBinding(new OID(Oid), new OctetString(messageString)));
pdu.setType(PDU.TRAP);
if (!Const.isEmpty(engineID)) {
pdu.setContextEngineID(new OctetString(engineID));
}
// send the PDU
response = snmp.send(pdu, usertarget);
}
if (response != null) {
if (log.isDebug()) {
logDebug("Received response from: " + response.getPeerAddress() + response.toString());
}
}
result.setNrErrors(0);
result.setResult(true);
} catch (Exception e) {
logError(BaseMessages.getString(PKG, "JobEntrySNMPTrap.ErrorGetting", e.getMessage()));
} finally {
try {
if (snmp != null) {
snmp.close();
}
} catch (Exception e) {
/* Ignore */
}
}
return result;
}
// @Override
public void stop() throws IOException {
transport.close();
}
// @Override
public void start() throws IOException {
transport.listen();
}
/**
* 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();
}
}
