/**
* Add directly a VariableBinding to the map it will be stored as a key/value and the original
* snmp datas will be lost only not
*
* @param vb
*/
public boolean addVariable(VariableBinding vb) {
boolean retValue = false;
if (vb == null) {
logger.error("null variable to add ?");
} else if (!vb.isException()) {
OID vbOid = vb.getOid();
put(vbOid, convertVar(vb.getVariable()));
retValue = true;
} else {
errors.put(vb.getOid(), vb.getSyntax());
int exception = vb.getSyntax();
String exceptionName = "";
switch (exception) {
case SMIConstants.EXCEPTION_END_OF_MIB_VIEW:
exceptionName = "End of mib view";
break;
case SMIConstants.EXCEPTION_NO_SUCH_INSTANCE:
exceptionName = "No such instance";
break;
case SMIConstants.EXCEPTION_NO_SUCH_OBJECT:
exceptionName = "No such object";
break;
default:
exceptionName = "Unknown exception";
break;
}
logger.trace("Exception " + exceptionName + " for " + vb.getOid());
}
return retValue;
}
/**
* Creates a static managed object group for the sub-tree with the specified root OID.
*
* @param root the root OID of the sub-tree to be registered by this managed object.
* @param vbs the variable bindings to be returned in this sub-tree.
*/
public StaticMOGroup(OID root, VariableBinding[] vbs) {
this.root = root;
this.scope = new DefaultMOScope(root, true, root.nextPeer(), false);
for (VariableBinding vb : vbs) {
if ((vb.getOid() != null) && (vb.getVariable() != null)) {
if ((vb.getOid().size() >= root.size())
&& (vb.getOid().leftMostCompare(root.size(), root) == 0)) {
this.vbs.put(vb.getOid(), vb.getVariable());
}
}
}
}
/**
* 向管理进程发送Trap报文
*
* @throws IOException
*/
public void sendPDU() throws IOException {
// 设置 target
CommunityTarget target = new CommunityTarget();
target.setAddress(targetAddress);
// 通信不成功时的重试次数
target.setRetries(2);
// 超时时间
target.setTimeout(1500);
// snmp版本
target.setVersion(SnmpConstants.version2c);
// 创建 PDU
PDU pdu = new PDU();
pdu.add(
new VariableBinding(new OID(".1.3.6.1.2.3377.10.1.1.1.1"), new OctetString("SnmpTrap")));
pdu.add(new VariableBinding(new OID(".1.3.6.1.2.3377.10.1.1.1.2"), new OctetString("JavaEE")));
pdu.add(
new VariableBinding(
new OID(".1.3.6.1.4.1.12612.220.11.1.3.0.1"), new OctetString("test_barco")));
pdu.setType(PDU.TRAP);
// 向Agent发送PDU，并接收Response
ResponseEvent respEvnt = snmp.send(pdu, target);
// 解析Response
if (respEvnt != null && respEvnt.getResponse() != null) {
Vector<VariableBinding> recVBs = respEvnt.getResponse().getVariableBindings();
for (int i = 0; i < recVBs.size(); i++) {
VariableBinding recVB = recVBs.elementAt(i);
System.out.println(recVB.getOid() + " : " + recVB.getVariable());
}
}
}
public void set(VariableBinding binding) {
switch (binding.getOid().get(9)) {
case 1:
setUdpEndpointLocalAddressType(binding.getVariable().toInt());
break;
case 2:
setUdpEndpointLocalAddress(binding.getVariable().toString());
break;
case 3:
setUdpEndpointLocalPort(binding.getVariable().toInt());
break;
case 4:
setUdpEndpointRemoteAddressType(binding.getVariable().toInt());
break;
case 5:
setUdpEndpointRemoteAddress(binding.getVariable().toString());
break;
case 6:
setUdpEndpointRemotePort(binding.getVariable().toInt());
break;
case 7:
setUdpEndpointInstance(binding.getVariable().toInt());
break;
case 8:
setUdpEndpointProcess(binding.getVariable().toInt());
break;
}
}
public void set(VariableBinding binding) {
switch (binding.getOid().get(10)) {
case 1:
setEventIndex(binding.getVariable().toInt());
break;
case 2:
setEventDescription(binding.getVariable().toString());
break;
case 3:
setEventType(binding.getVariable().toInt());
break;
case 4:
setEventCommunity(binding.getVariable().toString());
break;
case 5:
setEventLastTimeSent(binding.getVariable().toInt());
break;
case 6:
setEventOwner(binding.getVariable().toString());
break;
case 7:
setEventStatus(binding.getVariable().toInt());
break;
}
}
public void verify(VariableBinding vb) {
assertNotNull("variable binding should not be null", vb);
Variable val = vb.getVariable();
assertNotNull("variable should not be null", val);
assertEquals("OID (value: " + val + ")", new OID(m_expectedOid), vb.getOid());
assertEquals("syntax", m_expectedSyntax, vb.getSyntax());
assertEquals("value", m_expectedValue, val);
}
private SnmpOidValuePair outputResponse(VariableBinding vb) {
SnmpOidValuePair oidval = new SnmpOidValuePair();
oidval.oid = vb.getOid().toString();
oidval.value_str = vb.getVariable().toString();
if (m_snmpResponseHandler != null) {
m_snmpResponseHandler.responseReceived(oidval);
}
return oidval;
}
private boolean processWalk(PDU response, PDU request, OID rootOID) throws SnmpException {
if ((response == null)
|| (response.getErrorStatus() != 0)
|| (response.getType() == PDU.REPORT)) {
return true;
}
boolean finished = false;
OID lastOID = request.get(0).getOid();
for (int i = 0; (!finished) && (i < response.size()); i++) {
VariableBinding vb = response.get(i);
if ((vb.getOid() == null)
|| (vb.getOid().size() < rootOID.size())
|| (rootOID.leftMostCompare(rootOID.size(), vb.getOid()) != 0)) {
finished = true;
} else if (Null.isExceptionSyntax(vb.getVariable().getSyntax())) {
outputResponse(vb);
finished = true;
} else if (vb.getOid().compareTo(lastOID) <= 0) {
throw new SnmpException(
"Variable received is not lexicographic successor of requested one:"
+ vb.toString()
+ " <= "
+ lastOID);
} else {
outputResponse(vb);
lastOID = vb.getOid();
}
}
if (response.size() == 0) {
finished = true;
}
if (!finished) {
VariableBinding next = response.get(response.size() - 1);
next.setVariable(new Null());
request.set(0, next);
request.setRequestID(new Integer32(0));
}
return finished;
}
/**
* @param ip
* @param community
*/
public static void snmpGetList(String ip, String community, List<String> oidList) {
CommunityTarget target = SnmpUtil.createDefault(ip, community);
Snmp snmp = null;
try {
PDU pdu = new PDU();
for (String oid : oidList) {
pdu.add(new VariableBinding(new OID(oid)));
}
DefaultUdpTransportMapping transport = new DefaultUdpTransportMapping();
transport.listen();
snmp = new Snmp(transport);
System.out.println("------->发送消息<-------");
pdu.setType(PDU.GET);
ResponseEvent respEvent = snmp.send(pdu, target);
System.out.println("PeerAddress:" + respEvent.getPeerAddress());
PDU response = respEvent.getResponse();
if (response == null) {
System.out.println("response is null, request time out");
} else {
System.out.println("response pdu size is " + response.size());
for (int i = 0; i < response.size(); i++) {
VariableBinding vb = response.get(i);
System.out.println(vb.getOid() + " = " + vb.getVariable());
}
}
System.out.println("SNMP GET List OID value finished !");
} catch (Exception e) {
e.printStackTrace();
System.out.println("SNMP GetList Exception:" + e);
} finally {
if (snmp != null) {
try {
snmp.close();
} catch (IOException ex1) {
snmp = null;
}
}
}
}
/**
* Method which takes a single OID and returns the response from the agent as a String.
*
* @param oid
* @return
* @throws IOException
*/
public String getAsString(OID... oid) throws IOException {
// ResponseEvent event = get(new OID[]{oid});
// return event.getResponse().get(0).getVariable().toString();
ResponseEvent event = get(oid);
PDU response = event.getResponse();
int size = oid.length;
// VariableBinding variableBinding=response.get(0);
// Variable variable=variableBinding.getVariable();
// String varStirng=variable.toString();
// return varStirng;
StringBuilder builder = new StringBuilder();
for (int i = 0; i < size; i++) {
VariableBinding variableBinding = response.get(i);
Variable variable = variableBinding.getVariable();
String varStirng = variable.toString();
String oi = variableBinding.getOid().toString();
builder.append("oid: ").append(oi).append(" var: ").append(varStirng).append("\n");
}
return builder.toString();
}
private static Vector<VariableBinding> getTableRow(
Snmp snmp, CommunityTarget target, String[] colOids, String firstOid) {
PDU pdu = new PDU();
pdu.setType(PDU.GETNEXT);
for (String oid : colOids) {
pdu.add(new VariableBinding(new OID(oid)));
}
Vector<VariableBinding> v = null;
try {
ResponseEvent response = snmp.send(pdu, target);
PDU resposePdu = response.getResponse();
if (resposePdu != null) {
v = resposePdu.getVariableBindings();
if (v != null && v.size() > 0) {
VariableBinding vb = v.get(0);
String oid = vb.getOid().toString();
if (!oid.startsWith(firstOid)) return null;
}
}
} catch (IOException e) {
e.printStackTrace();
}
return v;
}
public static List<String[]> getTable(
Snmp snmp, String address, String community, int version, int retry, String[] colOids) {
List<String[]> list = new ArrayList<String[]>();
Address targetAddress = GenericAddress.parse(address);
CommunityTarget target = new CommunityTarget();
target.setCommunity(new OctetString(community));
target.setAddress(targetAddress);
target.setVersion(version);
target.setTimeout(1000);
target.setRetries(retry);
PDU pdu = new PDU();
pdu.setType(PDU.GETNEXT);
for (String oid : colOids) {
pdu.add(new VariableBinding(new OID(oid)));
}
int i = 0;
String firstOid = colOids[0];
Vector<VariableBinding> row = null;
do {
row = getTableRow(snmp, target, colOids, firstOid);
if (row != null && colOids.length == row.size()) {
String[] ss = new String[colOids.length];
for (int n = 0; n < colOids.length; n++) {
VariableBinding vb = row.get(n);
String r = vb.getVariable().toString();
colOids[n] = vb.getOid().toString();
ss[n] = r;
}
list.add(ss);
}
} while (i++ < 200 && row != null);
return list;
}
public void processPdu(CommandResponderEvent pRequest) {
final PDU requestPdu = pRequest.getPDU();
if (requestPdu == null) {
return;
}
try {
final PDU responsePdu = new PDU(requestPdu);
responsePdu.setType(PDU.RESPONSE);
if (requestPdu.getType() == PDU.GET) {
for (VariableBinding binding : responsePdu.toArray()) {
final OID oid = binding.getOid();
final String path = jmxMib.getPathFromOid(oid.toString());
if (path == null) {
binding.setVariable(Null.noSuchObject);
continue;
}
final JmxAttribute attribute = jmxIndex.getAttributeAtPath(path);
if (attribute == null) {
binding.setVariable(Null.noSuchObject);
continue;
}
final Variable variable = getVariableFromJmxAttribute(attribute);
if (variable != null) {
binding.setVariable(variable);
}
}
} else if (requestPdu.getType() == PDU.GETNEXT) {
for (VariableBinding binding : responsePdu.toArray()) {
final OID oid = binding.getOid();
final String next = jmxMib.getNextOidFromOid(oid.toString());
if (next == null) {
binding.setVariable(Null.noSuchObject);
continue;
}
final OID nextOid = new OID(next);
binding.setOid(nextOid);
final String path = jmxMib.getPathFromOid(nextOid.toString());
if (path == null) {
binding.setVariable(Null.noSuchObject);
continue;
}
final JmxAttribute attribute = jmxIndex.getAttributeAtPath(path);
if (attribute == null) {
binding.setVariable(Null.noSuchObject);
continue;
}
final Variable variable = getVariableFromJmxAttribute(attribute);
if (variable != null) {
binding.setVariable(variable);
}
}
} else {
}
pRequest.getStateReference().setTransportMapping(pRequest.getTransportMapping());
pRequest
.getMessageDispatcher()
.returnResponsePdu(
pRequest.getMessageProcessingModel(),
pRequest.getSecurityModel(),
pRequest.getSecurityName(),
pRequest.getSecurityLevel(),
responsePdu,
pRequest.getMaxSizeResponsePDU(),
pRequest.getStateReference(),
new StatusInformation());
} catch (Exception e) {
e.printStackTrace();
}
}
/** {@inheritDoc} */
public PDU processPdu(PDU pdu) throws SnmpToolkitException {
Log log = LogFactory.getLog(this.getClass());
// 応答用のPDUを生成する
PDU retPdu = new PDU();
retPdu.setType(PDU.RESPONSE);
// 要求のリクエストIDを取得し、応答PDUにセットする
Integer32 requestID = pdu.getRequestID();
retPdu.setRequestID(requestID);
// SNMP4J用の型変換オブジェクト
SnmpVariableHelper varHelper = new Snmp4jVariableHelper();
// AgentServiceからAgentを取得する
Agent agent = this.agentService_.getAgent();
// 要求PDUのVarbindを走査する
int varCount = 0;
List<?> reqVarbinds = pdu.getVariableBindings();
for (Object reqVarbindObj : reqVarbinds) {
varCount++;
// 要求されているOIDを取得する
VariableBinding reqVarbind = (VariableBinding) reqVarbindObj;
OID oid = reqVarbind.getOid();
// GETNEXTでない場合は、指定されたOIDそのものを取得しようとする
// GETNEXTの場合は、指定されたOID配下で最も近いオブジェクトを探す
boolean exact = (pdu.getType() != PDU.GETNEXT);
SnmpVarbind foundVarbind = agent.findObject(oid.toString(), exact);
if (foundVarbind == null) {
// Varbindが見つからなかった場合はnoSuchNameを返す
log.warn("varbind is not found. oid=" + oid.toString());
retPdu.setErrorStatus(SnmpConstants.SNMP_ERROR_NO_SUCH_NAME);
retPdu.setErrorIndex(varCount);
Variable retObject = new Null();
VariableBinding retVarbind = new VariableBinding(oid, retObject);
retPdu.add(retVarbind);
break;
}
// READ-WRITEでなければエラー応答を返す
String accessibility = foundVarbind.getAccessibility();
if (accessibility.equals(SnmpVarbind.ACCESSIBILITY_NOT_ACCESSIBLE) == true) {
log.warn("varbind is not accessible. accessibility=" + accessibility);
retPdu.setErrorStatus(SnmpConstants.SNMP_ERROR_NO_ACCESS);
retPdu.setErrorIndex(varCount);
Variable retObject = new Null();
VariableBinding retVarbind = new VariableBinding(oid, retObject);
retPdu.add(retVarbind);
break;
}
try {
// 正常の応答を返す
retPdu.setErrorStatus(SnmpConstants.SNMP_ERROR_SUCCESS);
retPdu.setErrorIndex(0);
log.debug("varbind is found: " + foundVarbind.toString());
String typeStr = foundVarbind.getType();
Object retValueObj = foundVarbind.getValue();
Variable retObject = (Variable) varHelper.createAsnObject(retValueObj, typeStr);
OID retOID = new OID(foundVarbind.getOid());
VariableBinding retVarbind = new VariableBinding(retOID, retObject);
retPdu.add(retVarbind);
} catch (Exception exception) {
log.warn("exception occured", exception);
// 未知のエラーを示す応答PDUを作成する
retPdu.setErrorStatus(SnmpConstants.SNMP_ERROR_GENERAL_ERROR);
retPdu.setErrorIndex(varCount);
if (foundVarbind != null) {
OID retOID = new OID(foundVarbind.getOid());
Variable retObject = new Null();
VariableBinding retVarbind = new VariableBinding(retOID, retObject);
retPdu.add(retVarbind);
}
}
}
return retPdu;
}
private void parseVariableBinding(Element variable, PDU pdu) throws Exception {
String name = variable.attributeValue("name");
String value = variable.attributeValue("value");
String type = variable.attributeValue("type");
String mibName = null;
if (name == null) {
throw new Exception("ERROR : The variablebinding name is required to send the variable.");
}
VariableBinding varBind = null;
boolean found = false;
if (name.startsWith(
"1.")) // if name begin with digit 1 follow by a dot, it is an oid, else we consider it's a
// variable mib
{
varBind = new VariableBinding(new OID(name));
found = true;
} else {
if (name.contains(".")) {
mibName = name.substring(0, name.indexOf('.'));
name = name.substring(name.indexOf('.') + 1);
}
Mib[] mibs = mibLoader.getAllMibs();
for (int i = 0; (i < mibs.length) && !found; i++) {
Collection symbols = mibs[i].getAllSymbols();
for (Object symb : symbols) {
if (symb instanceof MibValueSymbol) {
if (((MibValueSymbol) symb).getName().equalsIgnoreCase(name)) {
if ((mibName == null)
|| ((MibValueSymbol) symb).getMib().getName().equalsIgnoreCase(mibName)) {
varBind =
new VariableBinding(new OID(((MibValueSymbol) symb).getValue().toString()));
if (type == null) {
type = findType((MibValueSymbol) symb);
}
found = true;
break;
}
}
} else if (symb instanceof MibTypeSymbol) {
// System.out.println("mibTypeSymbol " +
// ((MibTypeSymbol)symb).getName() + " for mib name " + mibs[i].getName());
} else if (symb instanceof MibMacroSymbol) {
// System.out.println("mibMacroSymbol " +
// ((MibMacroSymbol)symb).getName() + " for mib name " + mibs[i].getName());
} else {
throw new Exception(
"ERROR : Unknown class for variablebinding \"" + symb.getClass() + "\"");
}
}
}
}
if (!found) {
throw new Exception(
"ERROR : Unknown varbinding name \"" + name + "\" not found in the MIB files.");
}
if (type == null) // /if type not set, search in mib
{
Mib[] mibs = mibLoader.getAllMibs();
for (int i = 0; (i < mibs.length); i++) {
MibValueSymbol symbol = mibs[i].getSymbolByValue(varBind.getOid().toString());
if (symbol != null) {
// set type in function of information in variable
type = findType(symbol);
break;
}
}
}
if ((value != null) && (value.length() > 0)) {
if (type == null) {
throw new Exception(
"ERROR : The variablebinding type is required : it is not defined nor in XML script nor in MIB files.");
}
if (type.equalsIgnoreCase("counter64")) {
varBind.setVariable(new Counter64(Long.parseLong(value)));
} else if (type.equalsIgnoreCase("integer32")) {
varBind.setVariable(new Integer32(Integer.parseInt(value)));
} else if (type.equalsIgnoreCase("octetString") || type.equalsIgnoreCase("octet string")) {
varBind.setVariable(new OctetString(value));
} else if (type.equalsIgnoreCase("opaque")) {
varBind.setVariable(new Opaque(value.getBytes()));
} else if (type.equalsIgnoreCase("oid")) {
varBind.setVariable(new OID(value));
} else if (type.equalsIgnoreCase("genericAddress")) {
GenericAddress add = new GenericAddress();
add.setValue(value);
varBind.setVariable(add);
} else if (type.equalsIgnoreCase("ipAddress")) {
varBind.setVariable(new IpAddress(value));
} else if (type.equalsIgnoreCase("unsignedInteger32")) {
varBind.setVariable(new UnsignedInteger32(Integer.parseInt(value)));
} else if (type.equalsIgnoreCase("counter32")) {
varBind.setVariable(new Counter32(Long.parseLong(value)));
} else if (type.equalsIgnoreCase("gauge32")) {
varBind.setVariable(new Gauge32(Long.parseLong(value)));
} else if (type.equalsIgnoreCase("timeTicks")) {
varBind.setVariable(new TimeTicks(Long.parseLong(value)));
} else {
throw new Exception(
"Error : Unknown variablebinding type \""
+ type
+ "\" : not understood by the application");
}
}
pdu.add(varBind);
}
