Hello list,
snmp4j is for the most part working as expected .. I am however having a
problem with a method of mine.
The method will leave a DefaultUdpTransportMapping listerner running, and it
will leave a Timer running. These never seem to die. What am I doing wrong, and
how can I kill of these listeners?
public ArrayList<String> getValues(String oid) throws IOException {
ArrayList<String> result = new ArrayList<String>();
TransportMapping transport = new DefaultUdpTransportMapping();
//transport.listen();
// Create Target Address object
CommunityTarget comtarget = new CommunityTarget();
comtarget.setCommunity(new
OctetString(Setting.getInstance().getValue("settings", "community")));
comtarget.setVersion(SnmpConstants.version2c);
comtarget.setAddress(new
UdpAddress(Setting.getInstance().getValue("settings", "ip") + "/" +
Setting.getInstance().getValue("settings", "port")));
comtarget.setRetries(2);
comtarget.setTimeout(5000);
// Create the PDU object
PDU pdu = new PDU();
pdu.add(new VariableBinding(new OID(oid)));
pdu.setType(PDU.GET);
//pdu.setRequestID(new Integer32(1));
// Create Snmp object for sending data to Agent
Snmp snmp = new Snmp(transport);
snmp.listen();
ResponseEvent response;
while(true) {
response = snmp.getNext(pdu, comtarget);
if (response != null) {
PDU responsePDU = response.getResponse();
if(!response.getResponse().get(0).getOid().startsWith(new
OID(oid))) {
//System.out.println("Starting with the same OID -
breaking!");
break;
}
if (responsePDU != null) {
int errorStatus = responsePDU.getErrorStatus();
if (errorStatus == PDU.noError){
result.add(responsePDU.get(0).toValueString());
pdu = response.getResponse();
System.out.println("Adding " +
responsePDU.get(0).toValueString());
}
else {
System.out.println("Response was error: " +
pdu.getErrorStatusText());
break;
}
} else {
System.out.println("PDU received was null");
break;
}
} else {
System.out.println("Response received was null");
break;
}
}
snmp.close();
return result;
}
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