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markt pushed a commit to branch 8.5.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/8.5.x by this push:
new 4f105d7 Make fields final after new approach to recycling
4f105d7 is described below
commit 4f105d7d4f05a34bfc9643032726b619b94bd1bd
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Mon Mar 15 13:55:50 2021 +0000
Make fields final after new approach to recycling
The new approach to recycling replaces a Stream instance with a
RecycledStream instance. Therefore, the fields that were made non-final
so they could be set to null in the old approach to recycling can be
restored to being final.
---
java/org/apache/coyote/http2/Stream.java | 20 +++++---------------
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/java/org/apache/coyote/http2/Stream.java
b/java/org/apache/coyote/http2/Stream.java
index 8f29489..788bf27 100644
--- a/java/org/apache/coyote/http2/Stream.java
+++ b/java/org/apache/coyote/http2/Stream.java
@@ -67,20 +67,17 @@ class Stream extends AbstractNonZeroStream implements
HeaderEmitter {
private final Http2UpgradeHandler handler;
private final WindowAllocationManager allocationManager = new
WindowAllocationManager(this);
+ private final Request coyoteRequest;
+ private final Response coyoteResponse = new Response();
+ private final StreamInputBuffer inputBuffer;
+ private final StreamOutputBuffer streamOutputBuffer = new
StreamOutputBuffer();
+ private final Http2OutputBuffer http2OutputBuffer = new
Http2OutputBuffer(coyoteResponse, streamOutputBuffer);
// State machine would be too much overhead
private int headerState = HEADER_STATE_START;
private StreamException headerException = null;
- // These will be set to null once the Stream closes to reduce the memory
- // footprint.
- private volatile Request coyoteRequest;
private volatile StringBuilder cookieHeader = null;
- private volatile Response coyoteResponse = new Response();
- private volatile StreamInputBuffer inputBuffer;
- private volatile StreamOutputBuffer streamOutputBuffer = new
StreamOutputBuffer();
- private volatile Http2OutputBuffer http2OutputBuffer =
- new Http2OutputBuffer(coyoteResponse, streamOutputBuffer);
Stream(Integer identifier, Http2UpgradeHandler handler) {
@@ -482,8 +479,6 @@ class Stream extends AbstractNonZeroStream implements
HeaderEmitter {
final ByteBuffer getInputByteBuffer() {
- // Avoid NPE if Stream has been closed on Stream specific thread
- StreamInputBuffer inputBuffer = this.inputBuffer;
if (inputBuffer == null) {
return null;
}
@@ -515,11 +510,6 @@ class Stream extends AbstractNonZeroStream implements
HeaderEmitter {
final void receivedData(int payloadSize) throws ConnectionException {
contentLengthReceived += payloadSize;
- Request coyoteRequest = this.coyoteRequest;
- // Avoid NPE if Stream has been closed on Stream specific thread
- if (coyoteRequest == null) {
- return;
- }
long contentLengthHeader = coyoteRequest.getContentLengthLong();
if (contentLengthHeader > -1 && contentLengthReceived >
contentLengthHeader) {
throw new
ConnectionException(sm.getString("stream.header.contentLength",
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