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SUMMARY: JavaDoc of com.strangeberry.rendezvous.DNSIncoming JAVADOC | Sourc code of com.strangeberry.rendezvous.DNSIncoming SOURCE | Download com.strangeberry.rendezvous.DNSIncoming DOWNLOAD | NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD

com.strangeberry.rendezvous
Class DNSIncoming  view DNSIncoming download DNSIncoming.java

java.lang.Object
  extended bycom.strangeberry.rendezvous.DNSConstants
      extended bycom.strangeberry.rendezvous.DNSIncoming
final class DNSIncoming
extends DNSConstants

Parse an incoming DNS message into its components.

Version:
1.18, 10/14/2002

Field Summary
(package private)  java.util.Vector answers
           
(package private) static int CLASS_ANY
           
(package private) static int CLASS_CH
           
(package private) static int CLASS_CS
           
(package private) static int CLASS_HS
           
(package private) static int CLASS_IN
           
(package private) static int CLASS_MASK
           
(package private) static int CLASS_NONE
           
(package private) static int CLASS_UNIQUE
           
(package private)  byte[] data
           
(package private) static int DNS_PORT
           
(package private) static java.util.Vector EMPTY
           
(package private)  int flags
           
(package private) static int FLAGS_AA
           
(package private) static int FLAGS_AD
           
(package private) static int FLAGS_CD
           
(package private) static int FLAGS_QR_MASK
           
(package private) static int FLAGS_QR_QUERY
           
(package private) static int FLAGS_QR_RESPONSE
           
(package private) static int FLAGS_RA
           
(package private) static int FLAGS_RD
           
(package private) static int FLAGS_TC
           
(package private) static int FLAGS_Z
           
(package private)  int id
           
(package private)  int len
           
(package private) static int MAX_MSG_ABSOLUTE
           
(package private) static int MAX_MSG_TYPICAL
           
(package private) static java.lang.String MDNS_GROUP
           
(package private) static int MDNS_PORT
           
(package private)  int numAdditionals
           
(package private)  int numAnswers
           
(package private)  int numAuthorities
           
(package private)  int numQuestions
           
(package private)  int off
           
(package private)  java.net.DatagramPacket packet
           
(package private)  java.util.Vector questions
           
(package private) static int TYPE_A
           
(package private) static int TYPE_ANY
           
(package private) static int TYPE_CNAME
           
(package private) static int TYPE_HINFO
           
(package private) static int TYPE_MB
           
(package private) static int TYPE_MD
           
(package private) static int TYPE_MF
           
(package private) static int TYPE_MG
           
(package private) static int TYPE_MINFO
           
(package private) static int TYPE_MR
           
(package private) static int TYPE_MX
           
(package private) static int TYPE_NS
           
(package private) static int TYPE_NULL
           
(package private) static int TYPE_PTR
           
(package private) static int TYPE_SOA
           
(package private) static int TYPE_SRV
           
(package private) static int TYPE_TXT
           
(package private) static int TYPE_WKS
           
 
Constructor Summary
(package private) DNSIncoming(java.net.DatagramPacket packet)
          Parse a message from a datagram packet.
 
Method Summary
(package private)  int get(int off)
           
(package private)  boolean isQuery()
          Check if the message is a query.
(package private)  boolean isResponse()
          Check if the message is a response.
(package private)  void print(boolean dump)
          Debugging.
(package private)  byte[] readBytes(int off, int len)
           
(package private)  int readInt()
           
(package private)  java.lang.String readName()
           
(package private)  int readUnsignedShort()
           
(package private)  void readUTF(java.lang.StringBuffer buf, int off, int len)
           
 java.lang.String toString()
          Convert this Object to a human-readable String.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

EMPTY

static final java.util.Vector EMPTY

packet

java.net.DatagramPacket packet

off

int off

len

int len

data

byte[] data

id

int id

flags

int flags

numQuestions

int numQuestions

numAnswers

int numAnswers

numAuthorities

int numAuthorities

numAdditionals

int numAdditionals

questions

java.util.Vector questions

answers

java.util.Vector answers

MDNS_GROUP

static final java.lang.String MDNS_GROUP
See Also:
Constant Field Values

MDNS_PORT

static final int MDNS_PORT
See Also:
Constant Field Values

DNS_PORT

static final int DNS_PORT
See Also:
Constant Field Values

MAX_MSG_TYPICAL

static final int MAX_MSG_TYPICAL
See Also:
Constant Field Values

MAX_MSG_ABSOLUTE

static final int MAX_MSG_ABSOLUTE
See Also:
Constant Field Values

FLAGS_QR_MASK

static final int FLAGS_QR_MASK
See Also:
Constant Field Values

FLAGS_QR_QUERY

static final int FLAGS_QR_QUERY
See Also:
Constant Field Values

FLAGS_QR_RESPONSE

static final int FLAGS_QR_RESPONSE
See Also:
Constant Field Values

FLAGS_AA

static final int FLAGS_AA
See Also:
Constant Field Values

FLAGS_TC

static final int FLAGS_TC
See Also:
Constant Field Values

FLAGS_RD

static final int FLAGS_RD
See Also:
Constant Field Values

FLAGS_RA

static final int FLAGS_RA
See Also:
Constant Field Values

FLAGS_Z

static final int FLAGS_Z
See Also:
Constant Field Values

FLAGS_AD

static final int FLAGS_AD
See Also:
Constant Field Values

FLAGS_CD

static final int FLAGS_CD
See Also:
Constant Field Values

CLASS_IN

static final int CLASS_IN
See Also:
Constant Field Values

CLASS_CS

static final int CLASS_CS
See Also:
Constant Field Values

CLASS_CH

static final int CLASS_CH
See Also:
Constant Field Values

CLASS_HS

static final int CLASS_HS
See Also:
Constant Field Values

CLASS_NONE

static final int CLASS_NONE
See Also:
Constant Field Values

CLASS_ANY

static final int CLASS_ANY
See Also:
Constant Field Values

CLASS_MASK

static final int CLASS_MASK
See Also:
Constant Field Values

CLASS_UNIQUE

static final int CLASS_UNIQUE
See Also:
Constant Field Values

TYPE_A

static final int TYPE_A
See Also:
Constant Field Values

TYPE_NS

static final int TYPE_NS
See Also:
Constant Field Values

TYPE_MD

static final int TYPE_MD
See Also:
Constant Field Values

TYPE_MF

static final int TYPE_MF
See Also:
Constant Field Values

TYPE_CNAME

static final int TYPE_CNAME
See Also:
Constant Field Values

TYPE_SOA

static final int TYPE_SOA
See Also:
Constant Field Values

TYPE_MB

static final int TYPE_MB
See Also:
Constant Field Values

TYPE_MG

static final int TYPE_MG
See Also:
Constant Field Values

TYPE_MR

static final int TYPE_MR
See Also:
Constant Field Values

TYPE_NULL

static final int TYPE_NULL
See Also:
Constant Field Values

TYPE_WKS

static final int TYPE_WKS
See Also:
Constant Field Values

TYPE_PTR

static final int TYPE_PTR
See Also:
Constant Field Values

TYPE_HINFO

static final int TYPE_HINFO
See Also:
Constant Field Values

TYPE_MINFO

static final int TYPE_MINFO
See Also:
Constant Field Values

TYPE_MX

static final int TYPE_MX
See Also:
Constant Field Values

TYPE_TXT

static final int TYPE_TXT
See Also:
Constant Field Values

TYPE_SRV

static final int TYPE_SRV
See Also:
Constant Field Values

TYPE_ANY

static final int TYPE_ANY
See Also:
Constant Field Values
Constructor Detail

DNSIncoming

DNSIncoming(java.net.DatagramPacket packet)
      throws java.io.IOException
Parse a message from a datagram packet.

Method Detail

isQuery

boolean isQuery()
Check if the message is a query.

isResponse

boolean isResponse()
Check if the message is a response.

get

int get(int off)
  throws java.io.IOException

readUnsignedShort

int readUnsignedShort()
                throws java.io.IOException

readInt

int readInt()
      throws java.io.IOException

readBytes

byte[] readBytes(int off,
                 int len)
           throws java.io.IOException

readUTF

void readUTF(java.lang.StringBuffer buf,
             int off,
             int len)
       throws java.io.IOException

readName

java.lang.String readName()
                    throws java.io.IOException

print

void print(boolean dump)
Debugging.

toString

public java.lang.String toString()
Description copied from class: java.lang.Object
Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

Overview  Package   Class  Use  Deprecated  Index 
Home >> All >> com >> strangeberry >> [ rendezvous overview ]  PREV CLASS  NEXT CLASS
SUMMARY: JavaDoc of com.strangeberry.rendezvous.DNSIncoming JAVADOC | Sourc code of com.strangeberry.rendezvous.DNSIncoming SOURCE | Download com.strangeberry.rendezvous.DNSIncoming DOWNLOAD | NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD