io.netty.handler.codec.http2

类 CleartextHttp2ServerUpgradeHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.ByteToMessageDecoder

io.netty.handler.codec.http2.CleartextHttp2ServerUpgradeHandler

所有已实现的接口:

ChannelHandler, ChannelInboundHandler

@UnstableApi
public final class CleartextHttp2ServerUpgradeHandler
extends ByteToMessageDecoder

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

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	CleartextHttp2ServerUpgradeHandler.PriorKnowledgeUpgradeEvent User event that is fired to notify about HTTP/2 protocol is started.

从类继承的嵌套类/接口 io.netty.handler.codec.ByteToMessageDecoder

ByteToMessageDecoder.Cumulator

从接口继承的嵌套类/接口 io.netty.channel.ChannelHandler

ChannelHandler.Sharable

字段概要

从类继承的字段 io.netty.handler.codec.ByteToMessageDecoder

COMPOSITE_CUMULATOR, MERGE_CUMULATOR

构造器概要

构造器

构造器和说明
CleartextHttp2ServerUpgradeHandler(HttpServerCodec httpServerCodec, HttpServerUpgradeHandler httpServerUpgradeHandler, ChannelHandler http2ServerHandler) Creates the channel handler provide cleartext HTTP/2 upgrade from HTTP upgrade or prior knowledge

方法概要

限定符和类型	方法和说明
protected void	decode(ChannelHandlerContext ctx, ByteBuf in, java.util.List<java.lang.Object> out) Peek inbound message to determine current connection wants to start HTTP/2 by HTTP upgrade or prior knowledge
void	handlerAdded(ChannelHandlerContext ctx) Do nothing by default, sub-classes may override this method.

从类继承的方法 io.netty.handler.codec.ByteToMessageDecoder

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

从类继承的方法 io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

从类继承的方法 io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, isSharable

从类继承的方法 java.lang.Object

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

构造器详细资料

CleartextHttp2ServerUpgradeHandler

public CleartextHttp2ServerUpgradeHandler(HttpServerCodec httpServerCodec,
                                          HttpServerUpgradeHandler httpServerUpgradeHandler,
                                          ChannelHandler http2ServerHandler)

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

参数:

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

方法详细资料

handlerAdded

public void handlerAdded(ChannelHandlerContext ctx)
                  throws java.lang.Exception

从类复制的说明: ChannelHandlerAdapter

Do nothing by default, sub-classes may override this method.

指定者:

handlerAdded 在接口中 ChannelHandler

覆盖:

handlerAdded 在类中 ChannelHandlerAdapter

抛出:

java.lang.Exception

decode

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

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

指定者:

decode 在类中 ByteToMessageDecoder

参数:

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

抛出:

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