93 lines
1.8 KiB
Java
Executable File
93 lines
1.8 KiB
Java
Executable File
package org.handwerkszeug.dns;
|
|
|
|
import org.handwerkszeug.util.EnumUtil;
|
|
import org.handwerkszeug.util.VariableEnum;
|
|
|
|
/**
|
|
* Response code - this 4 bit field is set as part of responses. The values have
|
|
* the following interpretation:
|
|
*
|
|
* @author taichi
|
|
* @see <a href="http://www.iana.org/assignments/dns-parameters">Domain Name
|
|
* System (DNS) Parameters</a>
|
|
*/
|
|
public enum RCode implements VariableEnum {
|
|
|
|
/**
|
|
* No error condition
|
|
*/
|
|
NoError(0),
|
|
|
|
/**
|
|
* Format error - The name server was unable to interpret the query.
|
|
*/
|
|
FormErr(1),
|
|
|
|
/**
|
|
* Server failure - The name server was unable to process this query due to
|
|
* a problem with the name server.
|
|
*/
|
|
ServFail(2),
|
|
|
|
/**
|
|
* Name Error - Meaningful only for responses from an authoritative name
|
|
* server, this code signifies that the domain name referenced in the query
|
|
* does not exist.
|
|
*/
|
|
NXDomain(3),
|
|
|
|
/**
|
|
* Not Implemented - The name server does not support the requested kind of
|
|
* query.
|
|
*/
|
|
NotImp(4),
|
|
|
|
/**
|
|
* Refused - The name server refuses to perform the specified operation for
|
|
* policy reasons. For example, a name server may not wish to provide the
|
|
* information to the particular requester, or a name server may not wish to
|
|
* perform a particular operation (e.g., zone transfer) for particular data.
|
|
*/
|
|
Refused(5),
|
|
|
|
/**
|
|
* Name Exists when it should not
|
|
*/
|
|
YXDomain(6),
|
|
|
|
/**
|
|
* RR Set Exists when it should not
|
|
*/
|
|
YXRRSet(7),
|
|
|
|
/**
|
|
* RR Set that should exist does not
|
|
*/
|
|
NXRRSet(8),
|
|
|
|
/**
|
|
* Server Not Authoritative for zone
|
|
*/
|
|
NotAuth(9),
|
|
|
|
/**
|
|
* Name not contained in zone
|
|
*/
|
|
NotZone(10);
|
|
|
|
private int code;
|
|
|
|
@Override
|
|
public int value() {
|
|
return this.code;
|
|
}
|
|
|
|
private RCode(int i) {
|
|
this.code = i;
|
|
}
|
|
|
|
public static RCode valueOf(int code) {
|
|
return EnumUtil.find(RCode.values(), code);
|
|
}
|
|
}
|