private void sendRequest(BlockPdu pdu) throws PduException, IOException {
varbind[] var = pdu.getResponseVariableBindings();
if (var != null) {
int sz = var.length;
System.out.println("Received answer " + sz);
for (int i = 0; i < sz; i++) {
AsnObjectId oid = var[i].getOid();
AsnObject res = var[i].getValue();
System.out.println(oid.toString() + ": " + res.toString());
}
} else {
System.out.println("Received no answer");
}
}
