Class SocksPortUnificationServerHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.ByteToMessageDecoder

io.netty.handler.codec.socksx.SocksPortUnificationServerHandler

All Implemented Interfaces:

ChannelHandler, ChannelInboundHandler

public class SocksPortUnificationServerHandler
extends ByteToMessageDecoder

Detects the version of the current SOCKS connection and initializes the pipeline with Socks4ServerDecoder or Socks5InitialRequestDecoder.

Nested Class Summary

Nested classes/interfaces inherited from class ByteToMessageDecoder

ByteToMessageDecoder.Cumulator

Nested classes/interfaces inherited from interface ChannelHandler

ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
private static final InternalLogger	logger
private final Socks5ServerEncoder	socks5encoder

Fields inherited from class ByteToMessageDecoder

COMPOSITE_CUMULATOR, MERGE_CUMULATOR

Constructor Summary

Constructors

Constructor	Description
SocksPortUnificationServerHandler()	Creates a new instance with the default configuration.
SocksPortUnificationServerHandler(Socks5ServerEncoder socks5encoder)	Creates a new instance with the specified Socks5ServerEncoder.

Method Summary

Modifier and Type	Method	Description
protected void	decode(ChannelHandlerContext ctx, ByteBuf in, java.util.List<java.lang.Object> out)	Decode the from one ByteBuf to an other.
private static void	logKnownVersion(ChannelHandlerContext ctx, SocksVersion version)
private static void	logUnknownVersion(ChannelHandlerContext ctx, byte versionVal)

Methods inherited from class ByteToMessageDecoder

actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, discardSomeReadBytes, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setDiscardAfterReads, setSingleDecode, userEventTriggered

Methods inherited from class ChannelInboundHandlerAdapter

channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

Methods inherited from class ChannelHandlerAdapter

ensureNotSharable, handlerAdded, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface ChannelHandler

handlerAdded

Field Details

logger

private static final InternalLogger logger

socks5encoder

private final Socks5ServerEncoder socks5encoder

Constructor Details

SocksPortUnificationServerHandler

public SocksPortUnificationServerHandler()

Creates a new instance with the default configuration.

SocksPortUnificationServerHandler

public SocksPortUnificationServerHandler(Socks5ServerEncoder socks5encoder)

Creates a new instance with the specified Socks5ServerEncoder. This constructor is useful when a user wants to use an alternative Socks5AddressEncoder.

Method Details

decode

protected void decode(ChannelHandlerContext ctx,
 ByteBuf in,
 java.util.List<java.lang.Object> out)
               throws java.lang.Exception

Description copied from class: ByteToMessageDecoder

Decode the from one ByteBuf to an other. This method will be called till either the input ByteBuf has nothing to read when return from this method or till nothing was read from the input ByteBuf.

Specified by:

decode in class ByteToMessageDecoder

Parameters:

ctx - the ChannelHandlerContext which this ByteToMessageDecoder belongs to

in - the ByteBuf from which to read data

out - the List to which decoded messages should be added

Throws:

java.lang.Exception - is thrown if an error occurs

logKnownVersion

private static void logKnownVersion(ChannelHandlerContext ctx,
 SocksVersion version)

logUnknownVersion

private static void logUnknownVersion(ChannelHandlerContext ctx,
 byte versionVal)