68 lines
2.8 KiB
Java
68 lines
2.8 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 static io.netty.handler.codec.http.HttpHeaderNames.CONNECTION;
|
|
import static io.netty.handler.codec.http.HttpHeaderValues.CLOSE;
|
|
import static io.netty.handler.codec.http.HttpHeaderValues.KEEP_ALIVE;
|
|
import static io.netty.handler.codec.http.HttpUtil.isKeepAlive;
|
|
import static io.netty.handler.codec.http.HttpResponseStatus.CONTINUE;
|
|
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_0;
|
|
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
|
|
|
|
import io.netty.buffer.Unpooled;
|
|
import io.netty.channel.ChannelFutureListener;
|
|
import io.netty.channel.ChannelHandlerContext;
|
|
import io.netty.handler.codec.http.DefaultFullHttpResponse;
|
|
import io.netty.handler.codec.http.FullHttpRequest;
|
|
import io.netty.handler.codec.http.FullHttpResponse;
|
|
import io.netty.handler.codec.http.HttpUtil;
|
|
|
|
import java.util.concurrent.TimeUnit;
|
|
|
|
/**
|
|
* Handles the requests for the tiled image using HTTP 1.x as a protocol.
|
|
*/
|
|
public final class Http1RequestHandler extends Http2RequestHandler {
|
|
|
|
@Override
|
|
protected void messageReceived(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
|
|
if (HttpUtil.is100ContinueExpected(request)) {
|
|
ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE, Unpooled.EMPTY_BUFFER));
|
|
}
|
|
super.messageReceived(ctx, request);
|
|
}
|
|
|
|
@Override
|
|
protected void sendResponse(final ChannelHandlerContext ctx, String streamId, int latency,
|
|
final FullHttpResponse response, final FullHttpRequest request) {
|
|
HttpUtil.setContentLength(response, response.content().readableBytes());
|
|
ctx.executor().schedule(() -> {
|
|
if (isKeepAlive(request)) {
|
|
if (request.protocolVersion().equals(HTTP_1_0)) {
|
|
response.headers().set(CONNECTION, KEEP_ALIVE);
|
|
}
|
|
ctx.writeAndFlush(response);
|
|
} else {
|
|
// Tell the client we're going to close the connection.
|
|
response.headers().set(CONNECTION, CLOSE);
|
|
ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
|
|
}
|
|
}, latency, TimeUnit.MILLISECONDS);
|
|
}
|
|
}
|