javax.jmdns.impl

类 DNSOutgoing

java.lang.Object

javax.jmdns.impl.DNSMessage

javax.jmdns.impl.DNSOutgoing

public final class DNSOutgoing
extends DNSMessage

An outgoing DNS message.

作者:

Arthur van Hoff, Rick Blair, Werner Randelshofer

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	DNSOutgoing.MessageOutputStream

字段概要

字段

限定符和类型	字段和说明
static boolean	USE_DOMAIN_NAME_COMPRESSION This can be used to turn off domain name compression.

从类继承的字段 javax.jmdns.impl.DNSMessage

_additionals, _answers, _authoritativeAnswers, _questions, MULTICAST, UNICAST

构造器概要

构造器

构造器和说明
DNSOutgoing(int flags) Create an outgoing multicast query or response.
DNSOutgoing(int flags, boolean multicast) Create an outgoing query or response.
DNSOutgoing(int flags, boolean multicast, int senderUDPPayload) Create an outgoing query or response.

方法概要

限定符和类型	方法和说明
void	addAdditionalAnswer(DNSIncoming in, DNSRecord rec) Add an additional answer to the record.
void	addAnswer(DNSIncoming in, DNSRecord rec) Add an answer if it is not suppressed.
void	addAnswer(DNSRecord rec, long now) Add an answer to the message.
void	addAuthorativeAnswer(DNSRecord rec) Add an authoritative answer to the message.
void	addQuestion(DNSQuestion rec) Add a question to the message.
int	availableSpace() Return the number of byte available in the message.
byte[]	data() Builds the final message buffer to be send and returns it.
java.net.InetSocketAddress	getDestination() Get the forced destination address if a specific one was set.
int	getMaxUDPPayload()
void	setDestination(java.net.InetSocketAddress destination) Force a specific destination address if packet is sent.
java.lang.String	toString()

从类继承的方法 javax.jmdns.impl.DNSMessage

getAdditionals, getAllAnswers, getAnswers, getAuthorities, getFlags, getId, getNumberOfAdditionals, getNumberOfAnswers, getNumberOfAuthorities, getNumberOfQuestions, getOperationCode, getQuestions, isAuthoritativeAnswer, isEmpty, isMulticast, isQuery, isResponse, isTruncated, isValidResponseCode, print, setFlags, setId

从类继承的方法 java.lang.Object

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

字段详细资料

USE_DOMAIN_NAME_COMPRESSION

public static boolean USE_DOMAIN_NAME_COMPRESSION

This can be used to turn off domain name compression. This was helpful for tracking problems interacting with other mdns implementations.

构造器详细资料

DNSOutgoing

public DNSOutgoing(int flags)

Create an outgoing multicast query or response.

参数:

flags -

DNSOutgoing

public DNSOutgoing(int flags,
                   boolean multicast)

Create an outgoing query or response.

参数:

flags -

multicast -

DNSOutgoing

public DNSOutgoing(int flags,
                   boolean multicast,
                   int senderUDPPayload)

Create an outgoing query or response.

参数:

flags -

multicast -

senderUDPPayload - The sender's UDP payload size is the number of bytes of the largest UDP payload that can be reassembled and delivered in the sender's network stack.

方法详细资料

getDestination

public java.net.InetSocketAddress getDestination()

Get the forced destination address if a specific one was set.

返回:

a forced destination address or null if no address is forced.

setDestination

public void setDestination(java.net.InetSocketAddress destination)

Force a specific destination address if packet is sent.

参数:

destination - Set a destination address a packet should be sent to (instead the default one). You could use null to unset the forced destination.

availableSpace

public int availableSpace()

Return the number of byte available in the message.

返回:

available space

addQuestion

public void addQuestion(DNSQuestion rec)
                 throws java.io.IOException

Add a question to the message.

参数:

rec -

抛出:

java.io.IOException

addAnswer

public void addAnswer(DNSIncoming in,
                      DNSRecord rec)
               throws java.io.IOException

Add an answer if it is not suppressed.

参数:

in -

rec -

抛出:

java.io.IOException

addAnswer

public void addAnswer(DNSRecord rec,
                      long now)
               throws java.io.IOException

Add an answer to the message.

参数:

rec -

now -

抛出:

java.io.IOException

addAuthorativeAnswer

public void addAuthorativeAnswer(DNSRecord rec)
                          throws java.io.IOException

Add an authoritative answer to the message.

参数:

rec -

抛出:

java.io.IOException

addAdditionalAnswer

public void addAdditionalAnswer(DNSIncoming in,
                                DNSRecord rec)
                         throws java.io.IOException

Add an additional answer to the record. Omit if there is no room.

参数:

in -

rec -

抛出:

java.io.IOException

data

public byte[] data()

Builds the final message buffer to be send and returns it.

返回:

bytes to send.

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object

getMaxUDPPayload

public int getMaxUDPPayload()

返回:

the maxUDPPayload