Module io.netty.codec.http2

Package io.netty5.handler.codec.http2

Class CleartextHttp2ServerUpgradeHandler

java.lang.Object

io.netty5.channel.ChannelHandlerAdapter

io.netty5.handler.codec.ByteToMessageDecoder

io.netty5.handler.codec.http2.CleartextHttp2ServerUpgradeHandler

All Implemented Interfaces:

ChannelHandler

@UnstableApi
public final class CleartextHttp2ServerUpgradeHandler
extends ByteToMessageDecoder

Performing clear-text upgrade, by h2c HTTP upgrade or Prior Knowledge. This handler config pipeline for h2c upgrade when handler added. And will update pipeline once it detects the connection is starting HTTP/2 by prior knowledge or not.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CleartextHttp2ServerUpgradeHandler.PriorKnowledgeUpgradeEvent	User event that is fired to notify about HTTP/2 protocol is started.

Nested classes/interfaces inherited from class io.netty5.handler.codec.ByteToMessageDecoder

ByteToMessageDecoder.Cumulator

Field Summary

Fields inherited from class io.netty5.handler.codec.ByteToMessageDecoder

COMPOSITE_CUMULATOR, MERGE_CUMULATOR

Constructor Summary

Constructors

Constructor	Description
CleartextHttp2ServerUpgradeHandler(HttpServerCodec httpServerCodec, HttpServerUpgradeHandler<?> httpServerUpgradeHandler, ChannelHandler http2ServerHandler)	Creates the channel handler provide cleartext HTTP/2 upgrade from HTTP upgrade or prior knowledge

Method Summary

Modifier and Type	Method	Description
protected void	decode(ChannelHandlerContext ctx, Buffer in)	Peek inbound message to determine current connection wants to start HTTP/2 by HTTP upgrade or prior knowledge
void	handlerAdded0(ChannelHandlerContext ctx)

Methods inherited from class io.netty5.handler.codec.ByteToMessageDecoder

actualReadableBytes, channelInactive, channelRead, channelReadComplete, channelShutdown, decodeLast, discardSomeReadBytes, handlerAdded, handlerRemoved, handlerRemoved0, internalBuffer, isSharable, isSingleDecode, setSingleDecode

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty5.channel.ChannelHandler

bind, channelActive, channelExceptionCaught, channelInboundEvent, channelRegistered, channelUnregistered, channelWritabilityChanged, close, connect, deregister, disconnect, flush, pendingOutboundBytes, read, register, sendOutboundEvent, shutdown, write

Constructor Detail

CleartextHttp2ServerUpgradeHandler

public CleartextHttp2ServerUpgradeHandler(HttpServerCodec httpServerCodec,
                                          HttpServerUpgradeHandler<?> httpServerUpgradeHandler,
                                          ChannelHandler http2ServerHandler)

Creates the channel handler provide cleartext HTTP/2 upgrade from HTTP upgrade or prior knowledge

Parameters:

httpServerCodec - the http server codec

httpServerUpgradeHandler - the http server upgrade handler for HTTP/2

http2ServerHandler - the http2 server handler, will be added into pipeline when starting HTTP/2 by prior knowledge

Method Detail

handlerAdded0

public void handlerAdded0(ChannelHandlerContext ctx)
                   throws Exception

Overrides:

handlerAdded0 in class ByteToMessageDecoder

Throws:

Exception

decode

protected void decode(ChannelHandlerContext ctx,
                      Buffer in)
               throws Exception

Peek inbound message to determine current connection wants to start HTTP/2 by HTTP upgrade or prior knowledge

Specified by:

decode in class ByteToMessageDecoder

Parameters:

ctx - the ChannelHandlerContext which this ByteToMessageDecoder belongs to

in - the Buffer from which to read data

Throws:

Exception - is thrown if an error occurs