Exemple #1
0
 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;
 }
Exemple #2
0
 private Request createSnmpRequest(URI url) throws UnknownHostException {
   String host = url.getHost();
   int port = url.getPort();
   if (port == -1) {
     port = SnmpConstants.DEFAULT_COMMAND_RESPONDER_PORT;
   }
   String userInfo = url.getUserInfo();
   if (userInfo == null) {
     userInfo = defaultUserInfo;
   }
   String path = url.getPath();
   String[] segments = path.split("/");
   String contextInfo;
   String contextName = "";
   OctetString contextEngineID = null;
   String oidPart = null;
   if (segments.length > 1) {
     contextInfo = segments[0];
     oidPart = segments[1];
     String[] contextInfos = contextInfo.split(";");
     if (contextInfos.length > 1) {
       contextEngineID = OctetString.fromHexStringPairs(contextInfos[1]);
     }
     contextName = contextInfos[0];
   } else if (segments.length == 1) {
     oidPart = segments[0];
   }
   Target t = createTarget(new OctetString(userInfo));
   if (host != null) {
     if (t instanceof CertifiedTarget) {
       t.setAddress(new TlsAddress(InetAddress.getByName(host), port));
     } else {
       t.setAddress(new UdpAddress(InetAddress.getByName(host), port));
     }
   } else {
     t = defaultTarget;
   }
   PDU pdu = pduFactory.createPDU(t);
   if (pdu instanceof ScopedPDU) {
     if (contextEngineID != null) {
       ((ScopedPDU) pdu).setContextEngineID(contextEngineID);
     }
     if (contextName != null) {
       ((ScopedPDU) pdu).setContextName(new OctetString(contextName));
     }
   }
   SnmpUriType type = SnmpUriType.GET;
   if (oidPart != null && oidPart.endsWith(".*")) {
     type = SnmpUriType.SUBTREE;
     oidPart = oidPart.substring(0, oidPart.length() - 2);
   } else if (oidPart != null && oidPart.endsWith("+")) {
     type = SnmpUriType.NEXT;
     oidPart = oidPart.substring(0, oidPart.length() - 1);
   }
   List<OID> oids;
   if (oidPart != null && oidPart.contains("(")) {
     String[] oidStrings = oidPart.split("[\\(,\\),\\,]");
     oids = new ArrayList<>(oidStrings.length);
     for (String oidString : oidStrings) {
       if (!oidString.isEmpty()) {
         OID o = new OID(oidString);
         if (o.isValid()) {
           oids.add(o);
         }
       }
     }
   } else if (oidPart != null) {
     oids = Collections.singletonList(new OID(oidPart));
   } else {
     oids = Collections.emptyList();
   }
   return new Request(t, pdu, oids.toArray(new OID[oids.size()]), type);
 }