This is an automated email from the ASF dual-hosted git repository.
remm pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/main by this push:
new 46a8745 Simplify
46a8745 is described below
commit 46a87456eb9d187c69ee1524c6b8a61e3871807b
Author: remm <r...@apache.org>
AuthorDate: Tue Jul 27 17:29:08 2021 +0200
Simplify
Drop hacks that are no longer needed with Java 11.
---
java/org/apache/tomcat/util/net/NioEndpoint.java | 84 +++++++-----------------
webapps/docs/changelog.xml | 4 ++
2 files changed, 26 insertions(+), 62 deletions(-)
diff --git a/java/org/apache/tomcat/util/net/NioEndpoint.java
b/java/org/apache/tomcat/util/net/NioEndpoint.java
index 7865d42..e69fc74 100644
--- a/java/org/apache/tomcat/util/net/NioEndpoint.java
+++ b/java/org/apache/tomcat/util/net/NioEndpoint.java
@@ -676,10 +676,10 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
attachment.interestOps(ops);
key.interestOps(ops);
} catch (CancelledKeyException ckx) {
- cancelledKey(key, socketWrapper);
+ socketWrapper.close();
}
} else {
- cancelledKey(key, socketWrapper);
+ socketWrapper.close();
}
}
}
@@ -711,35 +711,6 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
addEvent(event);
}
- public void cancelledKey(SelectionKey sk,
SocketWrapperBase<NioChannel> socketWrapper) {
- if (JreCompat.isJre11Available() && socketWrapper != null) {
- socketWrapper.close();
- } else {
- try {
- // If is important to cancel the key first, otherwise a
deadlock may occur between the
- // poller select and the socket channel close which would
cancel the key
- // This workaround is not needed on Java 11+
- // TODO: verify, if not fixed in Java 11+ then 14+ is
needed, see BZ 64007
- // TODO: the cancelledKey method can be removed with Java
11 as minimum
- if (sk != null) {
- sk.attach(null);
- if (sk.isValid()) {
- sk.cancel();
- }
- }
- } catch (Throwable e) {
- ExceptionUtils.handleThrowable(e);
- if (log.isDebugEnabled()) {
-
log.error(sm.getString("endpoint.debug.channelCloseFail"), e);
- }
- } finally {
- if (socketWrapper != null) {
- socketWrapper.close();
- }
- }
- }
- }
-
/**
* The background thread that adds sockets to the Poller, checks the
* poller for triggered events and hands the associated socket off to
an
@@ -809,7 +780,7 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
protected void processKey(SelectionKey sk, NioSocketWrapper
socketWrapper) {
try {
if (close) {
- cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
} else if (sk.isValid()) {
if (sk.isReadable() || sk.isWritable()) {
if (socketWrapper.getSendfileData() != null) {
@@ -847,16 +818,16 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
}
}
if (closeSocket) {
- cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
}
}
}
} else {
// Invalid key
- cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
}
} catch (CancelledKeyException ckx) {
- cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.error(sm.getString("endpoint.nio.keyProcessingError"), t);
@@ -924,7 +895,7 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
if (log.isDebugEnabled()) {
log.debug("Send file connection is being
closed");
}
- poller.cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
break;
}
case PIPELINED: {
@@ -932,7 +903,7 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
log.debug("Connection is keep alive,
processing pipe-lined data");
}
if (!processSocket(socketWrapper,
SocketEvent.OPEN_READ, true)) {
- poller.cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
}
break;
}
@@ -962,13 +933,13 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
log.debug("Unable to complete sendfile request:", e);
}
if (!calledByProcessor && sc != null) {
- poller.cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
}
return SendfileState.ERROR;
} catch (Throwable t) {
log.error(sm.getString("endpoint.sendfile.error"), t);
if (!calledByProcessor && sc != null) {
- poller.cancelledKey(sk, socketWrapper);
+ socketWrapper.close();
}
return SendfileState.ERROR;
}
@@ -1004,12 +975,14 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
try {
if (socketWrapper == null) {
// We don't support any keys without attachments
- cancelledKey(key, null);
+ if (key.isValid()) {
+ key.cancel();
+ }
} else if (close) {
key.interestOps(0);
// Avoid duplicate stop calls
socketWrapper.interestOps(0);
- cancelledKey(key, socketWrapper);
+ socketWrapper.close();
} else if ((socketWrapper.interestOps() &
SelectionKey.OP_READ) == SelectionKey.OP_READ ||
(socketWrapper.interestOps() &
SelectionKey.OP_WRITE) == SelectionKey.OP_WRITE) {
boolean readTimeout = false;
@@ -1037,19 +1010,19 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
socketWrapper.setError(new
SocketTimeoutException());
if (readTimeout && socketWrapper.readOperation
!= null) {
if
(!socketWrapper.readOperation.process()) {
- cancelledKey(key, socketWrapper);
+ socketWrapper.close();
}
} else if (writeTimeout &&
socketWrapper.writeOperation != null) {
if
(!socketWrapper.writeOperation.process()) {
- cancelledKey(key, socketWrapper);
+ socketWrapper.close();
}
} else if (!processSocket(socketWrapper,
SocketEvent.ERROR, true)) {
- cancelledKey(key, socketWrapper);
+ socketWrapper.close();
}
}
}
} catch (CancelledKeyException ckx) {
- cancelledKey(key, socketWrapper);
+ socketWrapper.close();
}
}
} catch (ConcurrentModificationException cme) {
@@ -1702,23 +1675,23 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
state = getHandler().process(socketWrapper, event);
}
if (state == SocketState.CLOSED) {
- poller.cancelledKey(getSelectionKey(), socketWrapper);
+ socketWrapper.close();
}
} else if (handshake == -1 ) {
getHandler().process(socketWrapper,
SocketEvent.CONNECT_FAIL);
- poller.cancelledKey(getSelectionKey(), socketWrapper);
+ socketWrapper.close();
} else if (handshake == SelectionKey.OP_READ){
socketWrapper.registerReadInterest();
} else if (handshake == SelectionKey.OP_WRITE){
socketWrapper.registerWriteInterest();
}
} catch (CancelledKeyException cx) {
- poller.cancelledKey(getSelectionKey(), socketWrapper);
+ socketWrapper.close();
} catch (VirtualMachineError vme) {
ExceptionUtils.handleThrowable(vme);
} catch (Throwable t) {
log.error(sm.getString("endpoint.processing.fail"), t);
- poller.cancelledKey(getSelectionKey(), socketWrapper);
+ socketWrapper.close();
} finally {
socketWrapper = null;
event = null;
@@ -1729,19 +1702,6 @@ public class NioEndpoint extends
AbstractJsseEndpoint<NioChannel,SocketChannel>
}
}
- private SelectionKey getSelectionKey() {
- // Shortcut for Java 11 onwards
- if (JreCompat.isJre11Available()) {
- return null;
- }
-
- SocketChannel socketChannel =
socketWrapper.getSocket().getIOChannel();
- if (socketChannel == null) {
- return null;
- }
-
- return socketChannel.keyFor(NioEndpoint.this.poller.getSelector());
- }
}
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 2be88c9..5dbb03b 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -181,6 +181,10 @@
for the connection were dropped. This meant that the connection flow
window slowly reduced over time until nothing could be sent. (markt)
</fix>
+ <fix>
+ Remove NIO workarounds and code that is no longer needed with Java 11.
+ (remm)
+ </fix>
</changelog>
</subsection>
<subsection name="Jasper">
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