You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hc.apache.org by ol...@apache.org on 2020/10/29 22:06:34 UTC
[httpcomponents-core] branch tls_upgrade_redesign updated (445c6c6
-> 92c0e5e)
This is an automated email from the ASF dual-hosted git repository.
olegk pushed a change to branch tls_upgrade_redesign
in repository https://gitbox.apache.org/repos/asf/httpcomponents-core.git.
discard 445c6c6 Revised HTTP protocol negotiation for non-blocking I/O sessions
new 92c0e5e Revised HTTP protocol negotiation for non-blocking I/O sessions
This update added new revisions after undoing existing revisions.
That is to say, some revisions that were in the old version of the
branch are not in the new version. This situation occurs
when a user --force pushes a change and generates a repository
containing something like this:
* -- * -- B -- O -- O -- O (445c6c6)
\
N -- N -- N refs/heads/tls_upgrade_redesign (92c0e5e)
You should already have received notification emails for all of the O
revisions, and so the following emails describe only the N revisions
from the common base, B.
Any revisions marked "omit" are not gone; other references still
refer to them. Any revisions marked "discard" are gone forever.
The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails. The revisions
listed as "add" were already present in the repository and have only
been added to this reference.
Summary of changes:
.../impl/nio/ClientHttpProtocolNegotiator.java | 106 ++++++-----
.../impl/nio/ServerHttpProtocolNegotiator.java | 199 ++++++++++++---------
2 files changed, 173 insertions(+), 132 deletions(-)
[httpcomponents-core] 01/01: Revised HTTP protocol negotiation for
non-blocking I/O sessions
Posted by ol...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
olegk pushed a commit to branch tls_upgrade_redesign
in repository https://gitbox.apache.org/repos/asf/httpcomponents-core.git
commit 92c0e5e00f7252802ab6c5a306edcbce3a21d9f7
Author: Oleg Kalnichevski <ol...@apache.org>
AuthorDate: Thu Oct 29 15:43:45 2020 +0100
Revised HTTP protocol negotiation for non-blocking I/O sessions
---
.../impl/nio/ClientHttpProtocolNegotiator.java | 144 +++++++++------
.../impl/nio/ProtocolNegotiationException.java | 49 +++++
.../impl/nio/ServerHttpProtocolNegotiator.java | 205 ++++++++++++---------
3 files changed, 259 insertions(+), 139 deletions(-)
diff --git a/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ClientHttpProtocolNegotiator.java b/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ClientHttpProtocolNegotiator.java
index 30e6117..df80e96 100644
--- a/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ClientHttpProtocolNegotiator.java
+++ b/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ClientHttpProtocolNegotiator.java
@@ -32,16 +32,18 @@ import java.net.SocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.ByteChannel;
import java.nio.channels.SelectionKey;
+import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import javax.net.ssl.SSLSession;
import org.apache.hc.core5.annotation.Internal;
+import org.apache.hc.core5.concurrent.FutureCallback;
+import org.apache.hc.core5.http.ConnectionClosedException;
import org.apache.hc.core5.http.EndpointDetails;
import org.apache.hc.core5.http.ProtocolVersion;
import org.apache.hc.core5.http.impl.nio.BufferedData;
import org.apache.hc.core5.http.impl.nio.ClientHttp1IOEventHandler;
-import org.apache.hc.core5.http.impl.nio.ClientHttp1StreamDuplexer;
import org.apache.hc.core5.http.impl.nio.ClientHttp1StreamDuplexerFactory;
import org.apache.hc.core5.http.impl.nio.HttpConnectionEventHandler;
import org.apache.hc.core5.http.nio.command.CommandSupport;
@@ -76,6 +78,9 @@ public class ClientHttpProtocolNegotiator implements HttpConnectionEventHandler
private final ClientH2StreamMultiplexerFactory http2StreamHandlerFactory;
private final HttpVersionPolicy versionPolicy;
private final AtomicReference<HttpConnectionEventHandler> protocolHandlerRef;
+ private final FutureCallback<HttpConnectionEventHandler> resultCallback;
+ private final AtomicBoolean initialized;
+ private final AtomicBoolean completed;
private volatile ByteBuffer preface;
private volatile BufferedData inBuf;
@@ -85,62 +90,50 @@ public class ClientHttpProtocolNegotiator implements HttpConnectionEventHandler
final ClientHttp1StreamDuplexerFactory http1StreamHandlerFactory,
final ClientH2StreamMultiplexerFactory http2StreamHandlerFactory,
final HttpVersionPolicy versionPolicy) {
+ this(ioSession, http1StreamHandlerFactory, http2StreamHandlerFactory, versionPolicy, null);
+ }
+
+ /**
+ * @since 5.1
+ */
+ public ClientHttpProtocolNegotiator(
+ final ProtocolIOSession ioSession,
+ final ClientHttp1StreamDuplexerFactory http1StreamHandlerFactory,
+ final ClientH2StreamMultiplexerFactory http2StreamHandlerFactory,
+ final HttpVersionPolicy versionPolicy,
+ final FutureCallback<HttpConnectionEventHandler> resultCallback) {
this.ioSession = Args.notNull(ioSession, "I/O session");
this.http1StreamHandlerFactory = Args.notNull(http1StreamHandlerFactory, "HTTP/1.1 stream handler factory");
this.http2StreamHandlerFactory = Args.notNull(http2StreamHandlerFactory, "HTTP/2 stream handler factory");
this.versionPolicy = versionPolicy != null ? versionPolicy : HttpVersionPolicy.NEGOTIATE;
this.protocolHandlerRef = new AtomicReference<>(null);
+ this.resultCallback = resultCallback;
+ this.initialized = new AtomicBoolean();
+ this.completed = new AtomicBoolean();
}
- private void startHttp1(final IOSession session) {
- final ClientHttp1StreamDuplexer http1StreamHandler = http1StreamHandlerFactory.create(ioSession);
- final HttpConnectionEventHandler protocolHandler = new ClientHttp1IOEventHandler(http1StreamHandler);
- try {
- ioSession.upgrade(protocolHandler);
- protocolHandlerRef.set(protocolHandler);
- protocolHandler.connected(session);
- if (inBuf != null) {
- protocolHandler.inputReady(session, inBuf.data());
- inBuf.clear();
- }
- } catch (final Exception ex) {
- protocolHandler.exception(session, ex);
- session.close(CloseMode.IMMEDIATE);
+ private void startProtocol(final HttpConnectionEventHandler protocolHandler) throws IOException {
+ protocolHandlerRef.set(protocolHandler);
+ ioSession.upgrade(protocolHandler);
+ protocolHandler.connected(ioSession);
+ if (inBuf != null) {
+ protocolHandler.inputReady(ioSession, inBuf.data());
+ inBuf.clear();
+ }
+ if (completed.compareAndSet(true, false)) {
+ resultCallback.completed(protocolHandler);
}
}
- private void startHttp2(final IOSession session) {
- final ClientH2StreamMultiplexer streamMultiplexer = http2StreamHandlerFactory.create(ioSession);
- final HttpConnectionEventHandler protocolHandler = new ClientH2IOEventHandler(streamMultiplexer);
- try {
- ioSession.upgrade(protocolHandler);
- protocolHandlerRef.set(protocolHandler);
- protocolHandler.connected(session);
- if (inBuf != null) {
- protocolHandler.inputReady(session, inBuf.data());
- inBuf.clear();
- }
- } catch (final Exception ex) {
- protocolHandler.exception(session, ex);
- session.close(CloseMode.IMMEDIATE);
- }
+ private void startHttp1() throws IOException {
+ startProtocol(new ClientHttp1IOEventHandler(http1StreamHandlerFactory.create(ioSession)));
}
- private void writeOutPreface(final IOSession session) throws IOException {
- if (preface.hasRemaining()) {
- final ByteChannel channel = session;
- channel.write(preface);
- }
- if (!preface.hasRemaining()) {
- session.clearEvent(SelectionKey.OP_WRITE);
- startHttp2(session);
- } else {
- session.setEvent(SelectionKey.OP_WRITE);
- }
+ private void startHttp2() throws IOException {
+ startProtocol(new ClientH2IOEventHandler(http2StreamHandlerFactory.create(ioSession)));
}
- @Override
- public void connected(final IOSession session) throws IOException {
+ private void initialize() throws IOException {
switch (versionPolicy) {
case NEGOTIATE:
final TlsDetails tlsDetails = ioSession.getTlsDetails();
@@ -156,8 +149,30 @@ public class ClientHttpProtocolNegotiator implements HttpConnectionEventHandler
break;
}
if (preface == null) {
- startHttp1(session);
+ startHttp1();
} else {
+ ioSession.setEvent(SelectionKey.OP_WRITE);
+ }
+ }
+
+ private void writeOutPreface(final IOSession session) throws IOException {
+ if (preface.hasRemaining()) {
+ final ByteChannel channel = session;
+ channel.write(preface);
+ }
+ if (!preface.hasRemaining()) {
+ session.clearEvent(SelectionKey.OP_WRITE);
+ startHttp2();
+ preface = null;
+ }
+ }
+
+ @Override
+ public void connected(final IOSession session) throws IOException {
+ if (initialized.compareAndSet(false, true)) {
+ initialize();
+ }
+ if (preface != null) {
writeOutPreface(session);
}
}
@@ -170,15 +185,22 @@ public class ClientHttpProtocolNegotiator implements HttpConnectionEventHandler
}
inBuf.put(src);
}
- outputReady(session);
+ if (preface != null) {
+ writeOutPreface(session);
+ } else {
+ throw new ProtocolNegotiationException("Unexpected input");
+ }
}
@Override
public void outputReady(final IOSession session) throws IOException {
+ if (initialized.compareAndSet(false, true)) {
+ initialize();
+ }
if (preface != null) {
writeOutPreface(session);
} else {
- session.close(CloseMode.GRACEFUL);
+ throw new ProtocolNegotiationException("Unexpected output");
}
}
@@ -189,22 +211,34 @@ public class ClientHttpProtocolNegotiator implements HttpConnectionEventHandler
@Override
public void exception(final IOSession session, final Exception cause) {
- session.close(CloseMode.IMMEDIATE);
final HttpConnectionEventHandler protocolHandler = protocolHandlerRef.get();
- if (protocolHandler != null) {
- protocolHandler.exception(session, cause);
- } else {
- CommandSupport.failCommands(session, cause);
+ try {
+ session.close(CloseMode.IMMEDIATE);
+ if (protocolHandler != null) {
+ protocolHandler.exception(session, cause);
+ } else {
+ CommandSupport.failCommands(session, cause);
+ }
+ } catch (final Exception ex) {
+ if (completed.compareAndSet(true, false)) {
+ resultCallback.failed(ex);
+ }
}
}
@Override
public void disconnected(final IOSession session) {
final HttpConnectionEventHandler protocolHandler = protocolHandlerRef.getAndSet(null);
- if (protocolHandler != null) {
- protocolHandler.disconnected(ioSession);
- } else {
- CommandSupport.cancelCommands(session);
+ try {
+ if (protocolHandler != null) {
+ protocolHandler.disconnected(ioSession);
+ } else {
+ CommandSupport.cancelCommands(session);
+ }
+ } finally {
+ if (completed.compareAndSet(true, false)) {
+ resultCallback.failed(new ConnectionClosedException());
+ }
}
}
diff --git a/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ProtocolNegotiationException.java b/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ProtocolNegotiationException.java
new file mode 100644
index 0000000..b984db2
--- /dev/null
+++ b/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ProtocolNegotiationException.java
@@ -0,0 +1,49 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http2.impl.nio;
+
+import java.io.IOException;
+
+/**
+ * Signals a protocol error in HTTP protocol negotiation.
+ *
+ * @since 5.1
+ */
+public class ProtocolNegotiationException extends IOException {
+
+ /**
+ * Creates a MessageConstraintException with the specified detail message.
+ *
+ * @param message The exception detail message
+ */
+ public ProtocolNegotiationException(final String message) {
+ super(message);
+ }
+
+
+}
diff --git a/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ServerHttpProtocolNegotiator.java b/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ServerHttpProtocolNegotiator.java
index 7bb65d2..a19f2b7 100644
--- a/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ServerHttpProtocolNegotiator.java
+++ b/httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/ServerHttpProtocolNegotiator.java
@@ -30,14 +30,15 @@ package org.apache.hc.core5.http2.impl.nio;
import java.io.IOException;
import java.net.SocketAddress;
import java.nio.ByteBuffer;
+import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import javax.net.ssl.SSLSession;
import org.apache.hc.core5.annotation.Internal;
+import org.apache.hc.core5.concurrent.FutureCallback;
import org.apache.hc.core5.http.ConnectionClosedException;
import org.apache.hc.core5.http.EndpointDetails;
-import org.apache.hc.core5.http.HttpException;
import org.apache.hc.core5.http.ProtocolVersion;
import org.apache.hc.core5.http.URIScheme;
import org.apache.hc.core5.http.impl.nio.BufferedData;
@@ -74,6 +75,9 @@ public class ServerHttpProtocolNegotiator implements HttpConnectionEventHandler
private final HttpVersionPolicy versionPolicy;
private final BufferedData inBuf;
private final AtomicReference<HttpConnectionEventHandler> protocolHandlerRef;
+ private final FutureCallback<HttpConnectionEventHandler> resultCallback;
+ private final AtomicBoolean initialized;
+ private final AtomicBoolean completed;
private volatile boolean expectValidH2Preface;
@@ -82,102 +86,122 @@ public class ServerHttpProtocolNegotiator implements HttpConnectionEventHandler
final ServerHttp1StreamDuplexerFactory http1StreamHandlerFactory,
final ServerH2StreamMultiplexerFactory http2StreamHandlerFactory,
final HttpVersionPolicy versionPolicy) {
+ this(ioSession, http1StreamHandlerFactory, http2StreamHandlerFactory, versionPolicy, null);
+ }
+
+ /**
+ * @since 5.1
+ */
+ public ServerHttpProtocolNegotiator(
+ final ProtocolIOSession ioSession,
+ final ServerHttp1StreamDuplexerFactory http1StreamHandlerFactory,
+ final ServerH2StreamMultiplexerFactory http2StreamHandlerFactory,
+ final HttpVersionPolicy versionPolicy,
+ final FutureCallback<HttpConnectionEventHandler> resultCallback) {
this.ioSession = Args.notNull(ioSession, "I/O session");
this.http1StreamHandlerFactory = Args.notNull(http1StreamHandlerFactory, "HTTP/1.1 stream handler factory");
this.http2StreamHandlerFactory = Args.notNull(http2StreamHandlerFactory, "HTTP/2 stream handler factory");
this.versionPolicy = versionPolicy != null ? versionPolicy : HttpVersionPolicy.NEGOTIATE;
this.inBuf = BufferedData.allocate(1024);
this.protocolHandlerRef = new AtomicReference<>(null);
+ this.resultCallback = resultCallback;
+ this.initialized = new AtomicBoolean();
+ this.completed = new AtomicBoolean();
+ }
+
+ private void startProtocol(final HttpConnectionEventHandler protocolHandler, final ByteBuffer data) throws IOException {
+ protocolHandlerRef.set(protocolHandler);
+ ioSession.upgrade(protocolHandler);
+ protocolHandler.connected(ioSession);
+ if (data != null) {
+ protocolHandler.inputReady(ioSession, data.hasRemaining() ? data : null);
+ }
+ if (completed.compareAndSet(true, false)) {
+ resultCallback.completed(protocolHandler);
+ }
+ }
+
+ private void startHttp1(final TlsDetails tlsDetails, final ByteBuffer data) throws IOException {
+ final ServerHttp1StreamDuplexer http1StreamHandler = http1StreamHandlerFactory.create(
+ tlsDetails != null ? URIScheme.HTTPS.id : URIScheme.HTTP.id,
+ ioSession);
+ startProtocol(new ServerHttp1IOEventHandler(http1StreamHandler), data);
+ }
+
+ private void startHttp2(final ByteBuffer data) throws IOException {
+ startProtocol(new ServerH2IOEventHandler(http2StreamHandlerFactory.create(ioSession)), data);
+ }
+
+ private void initialize() throws IOException {
+ final TlsDetails tlsDetails = ioSession.getTlsDetails();
+ switch (versionPolicy) {
+ case NEGOTIATE:
+ if (tlsDetails != null &&
+ ApplicationProtocol.HTTP_2.id.equals(tlsDetails.getApplicationProtocol())) {
+ expectValidH2Preface = true;
+ }
+ break;
+ case FORCE_HTTP_2:
+ if (tlsDetails == null ||
+ !ApplicationProtocol.HTTP_1_1.id.equals(tlsDetails.getApplicationProtocol())) {
+ expectValidH2Preface = true;
+ }
+ break;
+ case FORCE_HTTP_1:
+ startHttp1(tlsDetails, null);
+ break;
+ }
}
@Override
- public void connected(final IOSession session) {
- try {
- final TlsDetails tlsDetails = ioSession.getTlsDetails();
- switch (versionPolicy) {
- case NEGOTIATE:
- if (tlsDetails != null &&
- ApplicationProtocol.HTTP_2.id.equals(tlsDetails.getApplicationProtocol())) {
- expectValidH2Preface = true;
- }
- break;
- case FORCE_HTTP_2:
- if (tlsDetails == null ||
- !ApplicationProtocol.HTTP_1_1.id.equals(tlsDetails.getApplicationProtocol())) {
- expectValidH2Preface = true;
- }
- break;
- case FORCE_HTTP_1:
- final ServerHttp1StreamDuplexer http1StreamHandler = http1StreamHandlerFactory.create(
- tlsDetails != null ? URIScheme.HTTPS.id : URIScheme.HTTP.id,
- ioSession);
- final HttpConnectionEventHandler protocolHandler = new ServerHttp1IOEventHandler(http1StreamHandler);
- ioSession.upgrade(protocolHandler);
- protocolHandlerRef.set(protocolHandler);
- http1StreamHandler.onConnect();
- break;
- }
- } catch (final Exception ex) {
- exception(session, ex);
+ public void connected(final IOSession session) throws IOException {
+ if (initialized.compareAndSet(false, true)) {
+ initialize();
}
}
@Override
- public void inputReady(final IOSession session, final ByteBuffer src) {
- try {
- if (src != null) {
- inBuf.put(src);
- }
- boolean endOfStream = false;
- if (inBuf.length() < PREFACE.length) {
- final int bytesRead = inBuf.readFrom(session);
- if (bytesRead == -1) {
- endOfStream = true;
- }
+ public void inputReady(final IOSession session, final ByteBuffer src) throws IOException {
+ if (src != null) {
+ inBuf.put(src);
+ }
+ boolean endOfStream = false;
+ if (inBuf.length() < PREFACE.length) {
+ final int bytesRead = inBuf.readFrom(session);
+ if (bytesRead == -1) {
+ endOfStream = true;
}
- final ByteBuffer data = inBuf.data();
- if (data.remaining() >= PREFACE.length) {
- boolean validH2Preface = true;
- for (int i = 0; i < PREFACE.length; i++) {
- if (data.get() != PREFACE[i]) {
- if (expectValidH2Preface) {
- throw new HttpException("Unexpected HTTP/2 preface");
- }
- validH2Preface = false;
+ }
+ final ByteBuffer data = inBuf.data();
+ if (data.remaining() >= PREFACE.length) {
+ boolean validH2Preface = true;
+ for (int i = 0; i < PREFACE.length; i++) {
+ if (data.get() != PREFACE[i]) {
+ if (expectValidH2Preface) {
+ throw new ProtocolNegotiationException("Unexpected HTTP/2 preface");
}
+ validH2Preface = false;
}
- if (validH2Preface) {
- final ServerH2StreamMultiplexer http2StreamHandler = http2StreamHandlerFactory.create(ioSession);
- final HttpConnectionEventHandler protocolHandler = new ServerH2IOEventHandler(http2StreamHandler);
- ioSession.upgrade(protocolHandler);
- protocolHandlerRef.set(protocolHandler);
- http2StreamHandler.onConnect();
- http2StreamHandler.onInput(data.hasRemaining() ? data : null);
- } else {
- final TlsDetails tlsDetails = ioSession.getTlsDetails();
- final ServerHttp1StreamDuplexer http1StreamHandler = http1StreamHandlerFactory.create(
- tlsDetails != null ? URIScheme.HTTPS.id : URIScheme.HTTP.id,
- ioSession);
- final HttpConnectionEventHandler protocolHandler = new ServerHttp1IOEventHandler(http1StreamHandler);
- ioSession.upgrade(protocolHandler);
- protocolHandlerRef.set(protocolHandler);
- data.rewind();
- http1StreamHandler.onConnect();
- http1StreamHandler.onInput(data);
- }
+ }
+ if (validH2Preface) {
+ startHttp2(data.hasRemaining() ? data : null);
} else {
- if (endOfStream) {
- throw new ConnectionClosedException();
- }
+ data.rewind();
+ startHttp1(ioSession.getTlsDetails(), data);
+ }
+ } else {
+ if (endOfStream) {
+ throw new ConnectionClosedException();
}
- data.clear();
- } catch (final Exception ex) {
- exception(session, ex);
}
+ data.clear();
}
@Override
- public void outputReady(final IOSession session) {
+ public void outputReady(final IOSession session) throws IOException {
+ if (initialized.compareAndSet(false, true)) {
+ initialize();
+ }
}
@Override
@@ -187,25 +211,38 @@ public class ServerHttpProtocolNegotiator implements HttpConnectionEventHandler
@Override
public void exception(final IOSession session, final Exception cause) {
- session.close(CloseMode.IMMEDIATE);
final HttpConnectionEventHandler protocolHandler = protocolHandlerRef.get();
- if (protocolHandler != null) {
- protocolHandler.exception(session, cause);
- } else {
- CommandSupport.failCommands(session, cause);
+ try {
+ session.close(CloseMode.IMMEDIATE);
+ if (protocolHandler != null) {
+ protocolHandler.exception(session, cause);
+ } else {
+ CommandSupport.failCommands(session, cause);
+ }
+ } catch (final Exception ex) {
+ if (completed.compareAndSet(true, false)) {
+ resultCallback.failed(ex);
+ }
}
}
@Override
public void disconnected(final IOSession session) {
final HttpConnectionEventHandler protocolHandler = protocolHandlerRef.getAndSet(null);
- if (protocolHandler != null) {
- protocolHandler.disconnected(ioSession);
- } else {
- CommandSupport.cancelCommands(session);
+ try {
+ if (protocolHandler != null) {
+ protocolHandler.disconnected(ioSession);
+ } else {
+ CommandSupport.cancelCommands(session);
+ }
+ } finally {
+ if (completed.compareAndSet(true, false)) {
+ resultCallback.failed(new ConnectionClosedException());
+ }
}
}
+
@Override
public SSLSession getSSLSession() {
final TlsDetails tlsDetails = ioSession.getTlsDetails();