On Fri, Oct 11, 2019 at 10:30 AM <[email protected]> wrote:
> This is an automated email from the ASF dual-hosted git repository.
>
> michaelo pushed a commit to branch BZ-63835/8.5.x
> in repository https://gitbox.apache.org/repos/asf/tomcat.git
>
> commit 6ff2233cbbd27c9c2c649208a21931e5f3e132a6
> Author: Michael Osipov <[email protected]>
> AuthorDate: Fri Oct 11 10:30:08 2019 +0200
>
> First draft
>
+ if (keepAliveTimeout > 0) {
+ String value = "timeout=" +
TimeUnit.MILLISECONDS.toSeconds(keepAliveTimeout);
+
+ if (maxKeepAliveRequests > 0) {
+ value += ", max=" + maxKeepAliveRequests;
+ }
StringBuilder ?
Can you add a new flag controlling the feature ? The information may not be
very useful in many cases such as when proxying, so it would be better to
skip generating it by default.
Rémy
> ---
> java/org/apache/coyote/http11/Http11Processor.java | 36
> ++++++++++++++++++----
> 1 file changed, 30 insertions(+), 6 deletions(-)
>
> diff --git a/java/org/apache/coyote/http11/Http11Processor.java
> b/java/org/apache/coyote/http11/Http11Processor.java
> index 6072602..3182bb7 100644
> --- a/java/org/apache/coyote/http11/Http11Processor.java
> +++ b/java/org/apache/coyote/http11/Http11Processor.java
> @@ -23,6 +23,7 @@ import java.util.Enumeration;
> import java.util.Locale;
> import java.util.Map;
> import java.util.Set;
> +import java.util.concurrent.TimeUnit;
> import java.util.regex.Pattern;
>
> import javax.servlet.http.HttpServletResponse;
> @@ -1307,7 +1308,7 @@ public class Http11Processor extends
> AbstractProcessor {
> } else {
> // If the response code supports an entity body and we're on
> // HTTP 1.1 then we chunk unless we have a Connection: close
> header
> - connectionClosePresent = isConnectionClose(headers);
> + connectionClosePresent = isConnectionValue(headers,
> Constants.CLOSE);
> if (entityBody && http11 && !connectionClosePresent) {
> outputBuffer.addActiveFilter
> (outputFilters[Constants.CHUNKED_FILTER]);
> @@ -1369,10 +1370,33 @@ public class Http11Processor extends
> AbstractProcessor {
> headers.addValue(Constants.CONNECTION).setString(
> Constants.CLOSE);
> }
> - } else if (!http11 && !getErrorState().isError()) {
> -
> headers.addValue(Constants.CONNECTION).setString(Constants.KEEPALIVE);
> - }
> + } else if (!getErrorState().isError()) {
> + if (!http11) {
> +
> headers.addValue(Constants.CONNECTION).setString(Constants.KEEPALIVE);
> + }
> +
> + boolean connectionKeepAlivePresent =
> + isConnectionValue(request.getMimeHeaders(),
> Constants.KEEPALIVE);
> +
> + if (connectionKeepAlivePresent) {
> + int keepAliveTimeout = endpoint.getKeepAliveTimeout();
> + int maxKeepAliveRequests = getMaxKeepAliveRequests();
> +
> + if (keepAliveTimeout > 0) {
> + String value = "timeout=" +
> TimeUnit.MILLISECONDS.toSeconds(keepAliveTimeout);
> +
> + if (maxKeepAliveRequests > 0) {
> + value += ", max=" + maxKeepAliveRequests;
> + }
>
> + headers.setValue("Keep-Alive").setString(value);
> + }
> +
> + if (http11) {
> +
> headers.addValue(Constants.CONNECTION).setString(Constants.KEEPALIVE);
> + }
> + }
> + }
> // Add server header
> if (server == null) {
> if (serverRemoveAppProvidedValues) {
> @@ -1403,12 +1427,12 @@ public class Http11Processor extends
> AbstractProcessor {
> outputBuffer.commit();
> }
>
> - private static boolean isConnectionClose(MimeHeaders headers) {
> + private static boolean isConnectionValue(MimeHeaders headers, String
> value) {
> MessageBytes connection = headers.getValue(Constants.CONNECTION);
> if (connection == null) {
> return false;
> }
> - return connection.equals(Constants.CLOSE);
> + return connection.equals(value);
> }
>
> private void prepareSendfile(OutputFilter[] outputFilters) {
>
>
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