org.apache.flink.runtime.rest.handler.util.KeepAliveWrite Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.rest.handler.util;
import org.apache.flink.shaded.netty4.io.netty.channel.Channel;
import org.apache.flink.shaded.netty4.io.netty.channel.ChannelFuture;
import org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener;
import org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpHeaders;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpRequest;
import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponse;
/**
* Utilities to write.
*/
public class KeepAliveWrite {
public static ChannelFuture flush(ChannelHandlerContext ctx, HttpRequest request, HttpResponse response) {
if (!HttpHeaders.isKeepAlive(request)) {
return ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
} else {
response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
return ctx.writeAndFlush(response);
}
}
public static ChannelFuture flush(Channel ch, HttpRequest req, HttpResponse res) {
if (!HttpHeaders.isKeepAlive(req)) {
return ch.writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
} else {
res.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
return ch.writeAndFlush(res);
}
}
}