com.grey.naf.dns

Class PacketDNS

java.lang.Object

com.grey.naf.dns.PacketDNS

public class PacketDNS
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	PacketDNS.MessageCallback

Field Summary

Fields

Modifier and Type	Field and Description
static int	FLAGS_AA
static int	FLAGS_QR
static int	FLAGS_RA
static int	FLAGS_RD
static int	FLAGS_TC
static int	INETPORT
static int	OPCODE_IQRY
static int	OPCODE_NOTIFY
static int	OPCODE_QRY
static int	OPCODE_STATUS
static int	OPCODE_UPDATE
static int	PKTHDRSIZ
static byte	QCLASS_ALL
static byte	QCLASS_CHAOS
static byte	QCLASS_HESIOD
static byte	QCLASS_INET
static byte	QCLASS_NONE
static int	RCODE_BADFMT
static int	RCODE_BADTRUNC
static int	RCODE_BADVERS
static int	RCODE_NOTAUTH
static int	RCODE_NOTIMPL
static int	RCODE_NOTZONE
static int	RCODE_NXDOM
static int	RCODE_NXRRSET
static int	RCODE_OK
static int	RCODE_REJ
static int	RCODE_SRVFAIL
static int	RCODE_YXDOMAIN
static int	RCODE_YXRRSET
static int	SECT_ANSWERS
static int	SECT_AUTH
static int	SECT_INFO
static int	SECT_QUESTIONS
static int	SECT_SUBQUERY
static int	TCPMSGLENSIZ
static int	UDPMAXMSG

Constructor Summary

Constructors

Constructor and Description
PacketDNS()
PacketDNS(int bsiz, boolean bdirect, long minttl)
PacketDNS(long minttl)

Method Summary

Modifier and Type	Method and Description
ByteBuffer	completeEncoding(int off)
int	decodeHeader()
int	encodeHeader()
int	encodeQuestion(int off, byte qtype, ByteChars domnam)
int	encodeSection(int off, int sectiontype, ResourceData[] rr, TimerNAF.TimeProvider time)
int	getAnswerCount()
int	getAuthorityCount()
int	getInfoCount()
int	getQID()
int	getQuestionCount()
static String	getSectionType(int stype)
boolean	isAuth()
boolean	isResponse()
boolean	isTruncated()
int	opcode()
void	opcode(int val)
int	parseQuestion(int off, int rrcnt, InetSocketAddress remote_addr, PacketDNS.MessageCallback handler)
int	parseSection(int off, byte qtype, int sectiontype, int rrcnt, InetSocketAddress remote_addr, PacketDNS.MessageCallback handler)
int	rcode()
void	rcode(int val)
boolean	recursionAvailable()
boolean	recursionDesired()
void	resetDecoder(byte[] buf, int off, int len)
void	resetEncoder(boolean tcp, boolean compress)
void	setAuth()
void	setHeader(int qid, int qcnt, int anscnt, int authcnt, int infocnt)
void	setRecursionAvailable()
void	setRecursionDesired()
void	setResponse()
void	setTruncated()
int	skipSection(int off, int sectiontype, int rrcnt)

Methods inherited from class java.lang.Object

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

Field Detail

INETPORT

public static final int INETPORT

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Constant Field Values

UDPMAXMSG

public static final int UDPMAXMSG

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Constant Field Values

PKTHDRSIZ

public static final int PKTHDRSIZ

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Constant Field Values

TCPMSGLENSIZ

public static final int TCPMSGLENSIZ

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Constant Field Values

OPCODE_QRY

public static final int OPCODE_QRY

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Constant Field Values

OPCODE_IQRY

public static final int OPCODE_IQRY

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Constant Field Values

OPCODE_STATUS

public static final int OPCODE_STATUS

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Constant Field Values

OPCODE_NOTIFY

public static final int OPCODE_NOTIFY

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Constant Field Values

OPCODE_UPDATE

public static final int OPCODE_UPDATE

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Constant Field Values

RCODE_OK

public static final int RCODE_OK

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Constant Field Values

RCODE_BADFMT

public static final int RCODE_BADFMT

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Constant Field Values

RCODE_SRVFAIL

public static final int RCODE_SRVFAIL

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Constant Field Values

RCODE_NXDOM

public static final int RCODE_NXDOM

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Constant Field Values

RCODE_NOTIMPL

public static final int RCODE_NOTIMPL

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Constant Field Values

RCODE_REJ

public static final int RCODE_REJ

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Constant Field Values

RCODE_YXDOMAIN

public static final int RCODE_YXDOMAIN

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Constant Field Values

RCODE_YXRRSET

public static final int RCODE_YXRRSET

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Constant Field Values

RCODE_NXRRSET

public static final int RCODE_NXRRSET

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Constant Field Values

RCODE_NOTAUTH

public static final int RCODE_NOTAUTH

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Constant Field Values

RCODE_NOTZONE

public static final int RCODE_NOTZONE

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Constant Field Values

RCODE_BADVERS

public static final int RCODE_BADVERS

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Constant Field Values

RCODE_BADTRUNC

public static final int RCODE_BADTRUNC

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Constant Field Values

QCLASS_INET

public static final byte QCLASS_INET

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Constant Field Values

QCLASS_CHAOS

public static final byte QCLASS_CHAOS

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Constant Field Values

QCLASS_HESIOD

public static final byte QCLASS_HESIOD

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Constant Field Values

QCLASS_NONE

public static final byte QCLASS_NONE

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Constant Field Values

QCLASS_ALL

public static final byte QCLASS_ALL

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Constant Field Values

SECT_QUESTIONS

public static final int SECT_QUESTIONS

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Constant Field Values

SECT_ANSWERS

public static final int SECT_ANSWERS

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Constant Field Values

SECT_AUTH

public static final int SECT_AUTH

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Constant Field Values

SECT_INFO

public static final int SECT_INFO

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Constant Field Values

SECT_SUBQUERY

public static final int SECT_SUBQUERY

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Constant Field Values

FLAGS_QR

public static final int FLAGS_QR

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Constant Field Values

FLAGS_AA

public static final int FLAGS_AA

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Constant Field Values

FLAGS_TC

public static final int FLAGS_TC

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Constant Field Values

FLAGS_RD

public static final int FLAGS_RD

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Constant Field Values

FLAGS_RA

public static final int FLAGS_RA

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Constant Field Values

Constructor Detail

PacketDNS

public PacketDNS()

PacketDNS

public PacketDNS(long minttl)

PacketDNS

public PacketDNS(int bsiz,
                 boolean bdirect,
                 long minttl)

Method Detail

getSectionType

public static String getSectionType(int stype)

rcode

public int rcode()

rcode

public void rcode(int val)

opcode

public int opcode()

opcode

public void opcode(int val)

isResponse

public boolean isResponse()

setResponse

public void setResponse()

isAuth

public boolean isAuth()

setAuth

public void setAuth()

isTruncated

public boolean isTruncated()

setTruncated

public void setTruncated()

recursionDesired

public boolean recursionDesired()

setRecursionDesired

public void setRecursionDesired()

recursionAvailable

public boolean recursionAvailable()

setRecursionAvailable

public void setRecursionAvailable()

getQID

public int getQID()

getQuestionCount

public int getQuestionCount()

getAnswerCount

public int getAnswerCount()

getAuthorityCount

public int getAuthorityCount()

getInfoCount

public int getInfoCount()

resetEncoder

public void resetEncoder(boolean tcp,
                         boolean compress)

resetDecoder

public void resetDecoder(byte[] buf,
                         int off,
                         int len)

completeEncoding

public ByteBuffer completeEncoding(int off)

setHeader

public void setHeader(int qid,
                      int qcnt,
                      int anscnt,
                      int authcnt,
                      int infocnt)

encodeHeader

public int encodeHeader()

decodeHeader

public int decodeHeader()

skipSection

public int skipSection(int off,
                       int sectiontype,
                       int rrcnt)

parseQuestion

public int parseQuestion(int off,
                         int rrcnt,
                         InetSocketAddress remote_addr,
                         PacketDNS.MessageCallback handler)

parseSection

public int parseSection(int off,
                        byte qtype,
                        int sectiontype,
                        int rrcnt,
                        InetSocketAddress remote_addr,
                        PacketDNS.MessageCallback handler)

encodeQuestion

public int encodeQuestion(int off,
                          byte qtype,
                          ByteChars domnam)

encodeSection

public int encodeSection(int off,
                         int sectiontype,
                         ResourceData[] rr,
                         TimerNAF.TimeProvider time)