use of com.sun.jmx.snmp.SnmpScopedPduPacket in project jdk8u_jdk by JetBrains.
the class SnmpV3Message method decodeSnmpPdu.
/**
* Gets the PDU encoded in this message.
* <P>
* This method decodes the data field and returns the resulting PDU.
*
* @return The resulting PDU.
* @exception SnmpStatusException If the encoding is not valid.
*/
public SnmpPdu decodeSnmpPdu() throws SnmpStatusException {
SnmpScopedPduPacket pdu = null;
BerDecoder bdec = new BerDecoder(data);
try {
int type = bdec.getTag();
bdec.openSequence(type);
switch(type) {
case pduGetRequestPdu:
case pduGetNextRequestPdu:
case pduInformRequestPdu:
case pduGetResponsePdu:
case pduSetRequestPdu:
case pduV2TrapPdu:
case pduReportPdu:
SnmpScopedPduRequest reqPdu = new SnmpScopedPduRequest();
reqPdu.requestId = bdec.fetchInteger();
reqPdu.setErrorStatus(bdec.fetchInteger());
reqPdu.setErrorIndex(bdec.fetchInteger());
pdu = reqPdu;
break;
case pduGetBulkRequestPdu:
SnmpScopedPduBulk bulkPdu = new SnmpScopedPduBulk();
bulkPdu.requestId = bdec.fetchInteger();
bulkPdu.setNonRepeaters(bdec.fetchInteger());
bulkPdu.setMaxRepetitions(bdec.fetchInteger());
pdu = bulkPdu;
break;
default:
throw new SnmpStatusException(snmpRspWrongEncoding);
}
pdu.type = type;
pdu.varBindList = decodeVarBindList(bdec);
bdec.closeSequence();
} catch (BerException e) {
if (SNMP_LOGGER.isLoggable(Level.FINEST)) {
SNMP_LOGGER.logp(Level.FINEST, SnmpV3Message.class.getName(), "decodeSnmpPdu", "BerException", e);
}
throw new SnmpStatusException(snmpRspWrongEncoding);
}
//
// The easy work.
//
pdu.address = address;
pdu.port = port;
pdu.msgFlags = msgFlags;
pdu.version = version;
pdu.msgId = msgId;
pdu.msgMaxSize = msgMaxSize;
pdu.msgSecurityModel = msgSecurityModel;
pdu.contextEngineId = contextEngineId;
pdu.contextName = contextName;
pdu.securityParameters = securityParameters;
if (SNMP_LOGGER.isLoggable(Level.FINER)) {
final StringBuilder strb = new StringBuilder().append("Unmarshalled PDU : \n").append("type : ").append(pdu.type).append("\n").append("version : ").append(pdu.version).append("\n").append("requestId : ").append(pdu.requestId).append("\n").append("msgId : ").append(pdu.msgId).append("\n").append("msgMaxSize : ").append(pdu.msgMaxSize).append("\n").append("msgFlags : ").append(pdu.msgFlags).append("\n").append("msgSecurityModel : ").append(pdu.msgSecurityModel).append("\n").append("contextEngineId : ").append(pdu.contextEngineId).append("\n").append("contextName : ").append(pdu.contextName).append("\n");
SNMP_LOGGER.logp(Level.FINER, SnmpV3Message.class.getName(), "decodeSnmpPdu", strb.toString());
}
return pdu;
}
use of com.sun.jmx.snmp.SnmpScopedPduPacket in project jdk8u_jdk by JetBrains.
the class SnmpV3Message method encodeSnmpPdu.
/**
* Initializes this message with the specified <CODE>pdu</CODE>.
* <P>
* This method initializes the data field with an array of
* <CODE>maxDataLength</CODE> bytes. It encodes the <CODE>pdu</CODE>.
* The resulting encoding is stored in the data field
* and the length of the encoding is stored in <CODE>dataLength</CODE>.
* <p>
* If the encoding length exceeds <CODE>maxDataLength</CODE>,
* the method throws an exception.
*
* @param p The PDU to be encoded.
* @param maxDataLength The maximum length permitted for the data field.
*
* @exception SnmpStatusException If the specified <CODE>pdu</CODE>
* is not valid.
* @exception SnmpTooBigException If the resulting encoding does not fit
* into <CODE>maxDataLength</CODE> bytes.
* @exception ArrayIndexOutOfBoundsException If the encoding exceeds
* <CODE>maxDataLength</CODE>.
*/
public void encodeSnmpPdu(SnmpPdu p, int maxDataLength) throws SnmpStatusException, SnmpTooBigException {
SnmpScopedPduPacket pdu = (SnmpScopedPduPacket) p;
if (SNMP_LOGGER.isLoggable(Level.FINER)) {
final StringBuilder strb = new StringBuilder().append("PDU to marshall: \n").append("security parameters : ").append(pdu.securityParameters).append("\n").append("type : ").append(pdu.type).append("\n").append("version : ").append(pdu.version).append("\n").append("requestId : ").append(pdu.requestId).append("\n").append("msgId : ").append(pdu.msgId).append("\n").append("msgMaxSize : ").append(pdu.msgMaxSize).append("\n").append("msgFlags : ").append(pdu.msgFlags).append("\n").append("msgSecurityModel : ").append(pdu.msgSecurityModel).append("\n").append("contextEngineId : ").append(pdu.contextEngineId).append("\n").append("contextName : ").append(pdu.contextName).append("\n");
SNMP_LOGGER.logp(Level.FINER, SnmpV3Message.class.getName(), "encodeSnmpPdu", strb.toString());
}
version = pdu.version;
address = pdu.address;
port = pdu.port;
msgId = pdu.msgId;
msgMaxSize = pdu.msgMaxSize;
msgFlags = pdu.msgFlags;
msgSecurityModel = pdu.msgSecurityModel;
contextEngineId = pdu.contextEngineId;
contextName = pdu.contextName;
securityParameters = pdu.securityParameters;
//
// Allocate the array to receive the encoding.
//
data = new byte[maxDataLength];
try {
BerEncoder benc = new BerEncoder(data);
benc.openSequence();
encodeVarBindList(benc, pdu.varBindList);
switch(pdu.type) {
case pduGetRequestPdu:
case pduGetNextRequestPdu:
case pduInformRequestPdu:
case pduGetResponsePdu:
case pduSetRequestPdu:
case pduV2TrapPdu:
case pduReportPdu:
SnmpPduRequestType reqPdu = (SnmpPduRequestType) pdu;
benc.putInteger(reqPdu.getErrorIndex());
benc.putInteger(reqPdu.getErrorStatus());
benc.putInteger(pdu.requestId);
break;
case pduGetBulkRequestPdu:
SnmpPduBulkType bulkPdu = (SnmpPduBulkType) pdu;
benc.putInteger(bulkPdu.getMaxRepetitions());
benc.putInteger(bulkPdu.getNonRepeaters());
benc.putInteger(pdu.requestId);
break;
default:
throw new SnmpStatusException("Invalid pdu type " + String.valueOf(pdu.type));
}
benc.closeSequence(pdu.type);
dataLength = benc.trim();
} catch (ArrayIndexOutOfBoundsException x) {
throw new SnmpTooBigException();
}
}
Aggregations