78 lines
3.2 KiB
Java
78 lines
3.2 KiB
Java
/*
|
|
* Copyright 2015 The Netty Project
|
|
*
|
|
* The Netty Project licenses this file to you under the Apache License,
|
|
* version 2.0 (the "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at:
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
package io.netty.example.http2.tiles;
|
|
|
|
import io.netty.channel.ChannelHandler;
|
|
import io.netty.channel.ChannelHandlerContext;
|
|
import io.netty.handler.codec.http2.DefaultHttp2Connection;
|
|
import io.netty.handler.codec.http2.DefaultHttp2FrameReader;
|
|
import io.netty.handler.codec.http2.DefaultHttp2FrameWriter;
|
|
import io.netty.handler.codec.http2.Http2ConnectionHandler;
|
|
import io.netty.handler.codec.http2.Http2OrHttpChooser;
|
|
import io.netty.handler.codec.http2.HttpToHttp2ConnectionHandler;
|
|
import io.netty.handler.codec.http2.InboundHttp2ToHttpAdapter;
|
|
|
|
import javax.net.ssl.SSLEngine;
|
|
|
|
/**
|
|
* Used during protocol negotiation, the main function of this handler is to
|
|
* return the HTTP/1.1 or HTTP/2 handler once the protocol has been negotiated.
|
|
*/
|
|
public class Http2OrHttpHandler extends Http2OrHttpChooser {
|
|
|
|
public Http2OrHttpHandler(int maxHttpContentLength) {
|
|
super(maxHttpContentLength);
|
|
}
|
|
|
|
@Override
|
|
protected SelectedProtocol getProtocol(SSLEngine engine) {
|
|
String[] protocol = engine.getSession().getProtocol().split(":");
|
|
if (protocol != null && protocol.length > 1) {
|
|
SelectedProtocol selectedProtocol = SelectedProtocol.protocol(protocol[1]);
|
|
System.err.println("Selected Protocol is " + selectedProtocol);
|
|
return selectedProtocol;
|
|
}
|
|
return SelectedProtocol.UNKNOWN;
|
|
}
|
|
|
|
@Override
|
|
protected void addHttp2Handlers(ChannelHandlerContext ctx) {
|
|
DefaultHttp2Connection connection = new DefaultHttp2Connection(true);
|
|
DefaultHttp2FrameWriter writer = new DefaultHttp2FrameWriter();
|
|
DefaultHttp2FrameReader reader = new DefaultHttp2FrameReader();
|
|
InboundHttp2ToHttpAdapter listener = new InboundHttp2ToHttpAdapter.Builder(connection).propagateSettings(true)
|
|
.validateHttpHeaders(false).maxContentLength(1024 * 100).build();
|
|
|
|
ctx.pipeline().addLast("httpToHttp2", new HttpToHttp2ConnectionHandler(connection,
|
|
// Loggers can be activated for debugging purposes
|
|
// new Http2InboundFrameLogger(reader, TilesHttp2ToHttpHandler.logger),
|
|
// new Http2OutboundFrameLogger(writer, TilesHttp2ToHttpHandler.logger)
|
|
reader, writer, listener));
|
|
ctx.pipeline().addLast("fullHttpRequestHandler", new Http2RequestHandler());
|
|
}
|
|
|
|
@Override
|
|
protected ChannelHandler createHttp1RequestHandler() {
|
|
return new FallbackRequestHandler();
|
|
}
|
|
|
|
@Override
|
|
protected Http2ConnectionHandler createHttp2RequestHandler() {
|
|
return null; // NOOP
|
|
}
|
|
}
|