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markt pushed a commit to branch 7.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/7.0.x by this push:
new 872f0a3 Additional fix for
https://bz.apache.org/bugzilla/show_bug.cgi?id=63825
872f0a3 is described below
commit 872f0a3ed348520bc521add259ed8a852c33b58e
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Fri Oct 18 22:53:19 2019 +0100
Additional fix for https://bz.apache.org/bugzilla/show_bug.cgi?id=63825
Local performance testing shows no negative impact and possibly a small
gain.
---
.../coyote/http11/AbstractHttp11Processor.java | 27 ++++++++++++++--------
java/org/apache/coyote/http11/Constants.java | 8 +++++++
2 files changed, 26 insertions(+), 9 deletions(-)
diff --git a/java/org/apache/coyote/http11/AbstractHttp11Processor.java
b/java/org/apache/coyote/http11/AbstractHttp11Processor.java
index 48c9c93..37ecc9a 100644
--- a/java/org/apache/coyote/http11/AbstractHttp11Processor.java
+++ b/java/org/apache/coyote/http11/AbstractHttp11Processor.java
@@ -19,6 +19,7 @@ package org.apache.coyote.http11;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.io.StringReader;
+import java.util.Collection;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
@@ -693,7 +694,10 @@ public abstract class AbstractHttp11Processor<S> extends
AbstractProcessor<S> {
/**
* Specialized utility method: find a sequence of lower case bytes inside
* a ByteChunk.
+ *
+ * @deprecated Unused. Will be removed in Tomcat 8.5.x.
*/
+ @Deprecated
protected int findBytes(ByteChunk bc, byte[] b) {
byte first = b[0];
@@ -1288,7 +1292,7 @@ public abstract class AbstractHttp11Processor<S> extends
AbstractProcessor<S> {
/**
* After reading the request headers, we have to setup the request filters.
*/
- protected void prepareRequest() {
+ protected void prepareRequest() throws IOException {
http11 = true;
http09 = false;
@@ -1337,11 +1341,11 @@ public abstract class AbstractHttp11Processor<S>
extends AbstractProcessor<S> {
// Check connection header
MessageBytes connectionValueMB =
headers.getValue(Constants.CONNECTION);
if (connectionValueMB != null && !connectionValueMB.isNull()) {
- ByteChunk connectionValueBC = connectionValueMB.getByteChunk();
- if (findBytes(connectionValueBC, Constants.CLOSE_BYTES) != -1) {
+ Set<String> tokens = new HashSet<String>();
+ parseConnectionTokens(headers, tokens);
+ if (tokens.contains(Constants.CLOSE)) {
keepAlive = false;
- } else if (findBytes(connectionValueBC,
- Constants.KEEPALIVE_BYTES) != -1) {
+ } else if (tokens.contains(Constants.KEEPALIVE)) {
keepAlive = true;
}
}
@@ -1746,22 +1750,27 @@ public abstract class AbstractHttp11Processor<S>
extends AbstractProcessor<S> {
}
+
private static boolean isConnectionToken(MimeHeaders headers, String
token) throws IOException {
MessageBytes connection = headers.getValue(Constants.CONNECTION);
if (connection == null) {
return false;
}
+ Set<String> tokens = new HashSet<String>();
+ parseConnectionTokens(headers, tokens);
+ return tokens.contains(token);
+ }
+
+
+ private static void parseConnectionTokens(MimeHeaders headers,
Collection<String> tokens) throws IOException {
Enumeration<String> values = headers.values(Constants.CONNECTION);
- Set<String> result = new HashSet<String>();
while (values.hasMoreElements()) {
String nextHeaderValue = values.nextElement();
if (nextHeaderValue != null) {
- TokenList.parseTokenList(new StringReader(nextHeaderValue),
result);
+ TokenList.parseTokenList(new StringReader(nextHeaderValue),
tokens);
}
}
-
- return result.contains(token);
}
diff --git a/java/org/apache/coyote/http11/Constants.java
b/java/org/apache/coyote/http11/Constants.java
index 20362dd..98cfef3 100644
--- a/java/org/apache/coyote/http11/Constants.java
+++ b/java/org/apache/coyote/http11/Constants.java
@@ -123,9 +123,17 @@ public final class Constants {
/* Various constant "strings" */
public static final String CONNECTION = "Connection";
public static final String CLOSE = "close";
+ /**
+ * @deprecated Unused. Will be removed in Tomcat 10.
+ */
+ @Deprecated
public static final byte[] CLOSE_BYTES =
ByteChunk.convertToBytes(CLOSE);
public static final String KEEPALIVE = "keep-alive";
+ /**
+ * @deprecated Unused. Will be removed in Tomcat 10.
+ */
+ @Deprecated
public static final byte[] KEEPALIVE_BYTES =
ByteChunk.convertToBytes(KEEPALIVE);
public static final String CHUNKED = "chunked";
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