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optimize: support http1 automatic keepalive setting #15019

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merged 4 commits into from
Dec 26, 2024
Merged

optimize: support http1 automatic keepalive setting #15019

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c1d5b78
optimize: support http1 automatic keepalive setting
funky-eyes Dec 25, 2024
0e0216d
optimize: support http1 automatic keepalive setting
funky-eyes Dec 25, 2024
aae805e
optimize: support http1 automatic keepalive setting
funky-eyes Dec 26, 2024
a6dfb8e
optimize: support http1 automatic keepalive setting
funky-eyes Dec 26, 2024
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2 changes: 2 additions & 0 deletions ...dubbo-remoting-http12/src/main/java/org/apache/dubbo/remoting/http12/HttpHeaderNames.java
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,8 @@ public enum HttpHeaderNames {

TE(io.netty.handler.codec.http.HttpHeaderNames.TE),

CONNECTION(io.netty.handler.codec.http.HttpHeaderNames.CONNECTION),

ALT_SVC("alt-svc");

private final String name;
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17 changes: 16 additions & 1 deletion ...ting-http12/src/main/java/org/apache/dubbo/remoting/http12/netty4/h1/NettyHttp1Codec.java
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Original file line number Diff line number Diff line change
Expand Up @@ -31,21 +31,27 @@
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.ByteBufOutputStream;
import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPromise;
import io.netty.handler.codec.http.DefaultHttpResponse;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.LastHttpContent;

public class NettyHttp1Codec extends ChannelDuplexHandler {

private boolean keepAlive;

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
// decode FullHttpRequest
if (msg instanceof FullHttpRequest) {
FullHttpRequest request = (FullHttpRequest) msg;
keepAlive = HttpUtil.isKeepAlive(request);
super.channelRead(
ctx,
new DefaultHttp1Request(
Expand Down Expand Up @@ -80,13 +86,22 @@ private void doWriteHeader(ChannelHandlerContext ctx, HttpMetadata msg, ChannelP
if (CollectionUtils.isNotEmpty(statusHeaders)) {
status = HttpResponseStatus.valueOf(Integer.parseInt(statusHeaders.get(0)));
}
if (keepAlive) {
headers.add(HttpHeaderNames.CONNECTION.getKey(), String.valueOf(HttpHeaderValues.KEEP_ALIVE));
} else {
headers.add(HttpHeaderNames.CONNECTION.getKey(), String.valueOf(HttpHeaderValues.CLOSE));
}
// process normal headers
ctx.writeAndFlush(new DefaultHttpResponse(HttpVersion.HTTP_1_1, status, headers.getHeaders()), promise);
}

private void doWriteMessage(ChannelHandlerContext ctx, HttpOutputMessage msg, ChannelPromise promise) {
if (HttpOutputMessage.EMPTY_MESSAGE == msg) {
ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT, promise);
if (keepAlive) {
ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT, promise);
} else {
ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT, promise).addListener(ChannelFutureListener.CLOSE);
}
return;
}
OutputStream body = msg.getBody();
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