com.antiaction.dns.record
Class DNSRDataSOA

java.lang.Object
  |
  +--com.antiaction.dns.record.DNSRDataSOA

All Implemented Interfaces:

java.lang.Cloneable, DNSRDataInterface

public class DNSRDataSOA

extends java.lang.Object

implements DNSRDataInterface

DNS SOA Record container. As defined in rfc1035.

Version:

2.00

Author:

Nicholas Clarke

Field Summary

protected int	expire A 32 bit time value that specifies the upper limit on the time interval that can elapse before the zone is no longer authoritative.
protected int	minimum The unsigned 32 bit minimum TTL field that should be exported with any RR from this zone.
protected java.lang.String	mname Name server that was the original or primary source of data for this zone.
protected int	refresh A 32 bit time interval before the zone should be refreshed.
protected int	retry A 32 bit time interval that should elapse before a failed refresh should be retried.
protected java.lang.String	rname Mailbox of the person responsible for this zone.
protected static int	rtype Record of type SOA.
protected int	serial The unsigned 32 bit version number of the original copy of the zone.

Constructor Summary

DNSRDataSOA()
Instantiate and initialize a default SOA record object.

Method Summary

byte[]	buildPacket(DNSName dnsname, int globalIdx) Build and return the rdata packet on the internal state.
java.lang.Object	clone() Overrides Cloneable.
void	disassemblePacket(DNSName dnsname, byte[] pDat, int pIdx, int pLen) Parses the rdata part of a record.
int	getDisassembledLen() Returns the length of the previously disassembled rdata part.
int	getExpire() Get the 32 bit time value that specifies the upper limit on the time interval that can elapse before the zone is no longer authoritative.
int	getMinimum() Get the unsigned 32 bit minimum TTL field that should be exported with any RR from this zone.
java.lang.String	getMName() Get the Name server that was the original or primary source of data for this zone.
int	getRefresh() Get the 32 bit time interval before the zone should be refreshed.
int	getRetry() Get the 32 bit time interval that should elapse before a failed refresh should be retried.
java.lang.String	getRName() Get the mailbox of the person responsible for this zone.
int	getRType() Get the record type.
int	getSerial() Get the unsigned 32 bit version number of the original copy of the zone.
void	setDebug(boolean b) Toggle debug status.
void	setExpire(int e) Set the 32 bit time value that specifies the upper limit on the time interval that can elapse before the zone is no longer authoritative.
void	setMinimum(int ttl) Set the unsigned 32 bit minimum TTL field that should be exported with any RR from this zone.
void	setMName(java.lang.String mn) Set the Name server that was the original or primary source of data for this zone.
void	setRefresh(int r) Set the 32 bit time interval before the zone should be refreshed.
void	setRetry(int r) Set the 32 bit time interval that should elapse before a failed refresh should be retried.
void	setRName(java.lang.String rn) Set the mailbox of the person responsible for this zone.
void	setSerial(int s) Set the unsigned 32 bit version number of the original copy of the zone.
java.lang.String	toString() Returns a string representation of the internal state, mostly for debugging purposes.

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

rtype

protected static int rtype

Record of type SOA.

mname

protected java.lang.String mname

Name server that was the original or primary source of data for this zone.

rname

protected java.lang.String rname

Mailbox of the person responsible for this zone.

serial

protected int serial

The unsigned 32 bit version number of the original copy of the zone.

refresh

protected int refresh

A 32 bit time interval before the zone should be refreshed.

retry

protected int retry

A 32 bit time interval that should elapse before a failed refresh should be retried.

expire

protected int expire

A 32 bit time value that specifies the upper limit on the time interval that can elapse before the zone is no longer authoritative.

minimum

protected int minimum

The unsigned 32 bit minimum TTL field that should be exported with any RR from this zone.

Constructor Detail

DNSRDataSOA

public DNSRDataSOA()

Instantiate and initialize a default SOA record object.

Method Detail

clone

public java.lang.Object clone()

Overrides Cloneable.

Specified by:

clone in interface DNSRDataInterface

Overrides:

clone in class java.lang.Object

Returns:

a clone of this instance.

Throws:

OutOfMemoryError - if there is not enough memory.

See Also:

Cloneable

setDebug

public void setDebug(boolean b)

Toggle debug status.

Specified by:

setDebug in interface DNSRDataInterface

Parameters:

b - boolean.

buildPacket

public byte[] buildPacket(DNSName dnsname,
                          int globalIdx)
                   throws DNSNameException

Build and return the rdata packet on the internal state.

Specified by:

buildPacket in interface DNSRDataInterface

Parameters:

dnsname - used for domain name compression in the same message.

globalIdx - current index of the message being assembled. (Domain name compression)

Returns:

the rdata part of the message as a byte array.

Throws:

DNSNameException - if the domain name is invalid.

getDisassembledLen

public int getDisassembledLen()

Returns the length of the previously disassembled rdata part.

Specified by:

getDisassembledLen in interface DNSRDataInterface

See Also:

disassemblePacket(DNSName, byte[], int, int)

disassemblePacket

public void disassemblePacket(DNSName dnsname,
                              byte[] pDat,
                              int pIdx,
                              int pLen)
                       throws DNSNameException,
                              DNSRDataException

Parses the rdata part of a record.

Specified by:

disassemblePacket in interface DNSRDataInterface

Parameters:

dnsname - used for domain name compression in the same message.

pDat - array containing the complete packet.

pIdx - index to where in the array the rdata part begins.

pLen - length of the whole packet.

Throws:

DNSRDataException - if the packet is corrupted.

DNSNameException - if the domain name is invalid.

See Also:

getDisassembledLen()

getRType

public int getRType()

Get the record type.

Specified by:

getRType in interface DNSRDataInterface

Returns:

record type.

setMName

public void setMName(java.lang.String mn)

Set the Name server that was the original or primary source of data for this zone.

Parameters:

mn - nameserver.

getMName

public java.lang.String getMName()

Get the Name server that was the original or primary source of data for this zone.

Returns:

nameserver.

setRName

public void setRName(java.lang.String rn)

Set the mailbox of the person responsible for this zone.

Parameters:

rn - mailbox.

getRName

public java.lang.String getRName()

Get the mailbox of the person responsible for this zone.

Returns:

mailbox.

setSerial

public void setSerial(int s)

Set the unsigned 32 bit version number of the original copy of the zone.

Parameters:

s - serial number.

getSerial

public int getSerial()

Get the unsigned 32 bit version number of the original copy of the zone.

Returns:

serial number.

setRefresh

public void setRefresh(int r)

Set the 32 bit time interval before the zone should be refreshed.

Parameters:

r - time interval.

getRefresh

public int getRefresh()

Get the 32 bit time interval before the zone should be refreshed.

Returns:

time interval.

setRetry

public void setRetry(int r)

Set the 32 bit time interval that should elapse before a failed refresh should be retried.

Parameters:

r - time interval.

getRetry

public int getRetry()

Get the 32 bit time interval that should elapse before a failed refresh should be retried.

Returns:

time interval.

setExpire

public void setExpire(int e)

Set the 32 bit time value that specifies the upper limit on the time interval that can elapse before the zone is no longer authoritative.

Parameters:

e - time interval.

getExpire

public int getExpire()

Get the 32 bit time value that specifies the upper limit on the time interval that can elapse before the zone is no longer authoritative.

Returns:

time interval.

setMinimum

public void setMinimum(int ttl)

Set the unsigned 32 bit minimum TTL field that should be exported with any RR from this zone.

Parameters:

ttl - Time To Live.

getMinimum

public int getMinimum()

Get the unsigned 32 bit minimum TTL field that should be exported with any RR from this zone.

Returns:

Time To Live.

toString

public java.lang.String toString()

Returns a string representation of the internal state, mostly for debugging purposes.

Specified by:

toString in interface DNSRDataInterface

Overrides:

toString in class java.lang.Object

Returns:

debug string.