io.netty.example.http2.helloworld.client

Class Http2SettingsHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.SimpleChannelInboundHandler<io.netty.handler.codec.http2.Http2Settings>

io.netty.example.http2.helloworld.client.Http2SettingsHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler

public class Http2SettingsHandler
extends io.netty.channel.SimpleChannelInboundHandler<io.netty.handler.codec.http2.Http2Settings>

Reads the first Http2Settings object and notifies a ChannelPromise

Nested Class Summary

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor and Description
Http2SettingsHandler(io.netty.channel.ChannelPromise promise) Create new instance

Method Summary

Modifier and Type	Method and Description
void	awaitSettings(long timeout, TimeUnit unit) Wait for this handler to be added after the upgrade to HTTP/2, and for initial preface handshake to complete.
protected void	channelRead0(io.netty.channel.ChannelHandlerContext ctx, io.netty.handler.codec.http2.Http2Settings msg)

Methods inherited from class io.netty.channel.SimpleChannelInboundHandler

acceptInboundMessage, channelRead

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Detail

Http2SettingsHandler

public Http2SettingsHandler(io.netty.channel.ChannelPromise promise)

Create new instance

Parameters:

promise - Promise object used to notify when first settings are received

Method Detail

awaitSettings

public void awaitSettings(long timeout,
                          TimeUnit unit)
                   throws Exception

Wait for this handler to be added after the upgrade to HTTP/2, and for initial preface handshake to complete.

Parameters:

timeout - Time to wait

unit - TimeUnit for timeout

Throws:

Exception - if timeout or other failure occurs

channelRead0

protected void channelRead0(io.netty.channel.ChannelHandlerContext ctx,
                            io.netty.handler.codec.http2.Http2Settings msg)
                     throws Exception

Specified by:

channelRead0 in class io.netty.channel.SimpleChannelInboundHandler<io.netty.handler.codec.http2.Http2Settings>

Throws:

Exception