Merge remote-tracking branch 'origin/jetty-10.0.x' into jetty-11.0.x

Signed-off-by: Lachlan Roberts <lachlan@webtide.com>

jetty-client/src/test/java/org/eclipse/jetty/client/ConnectionPoolHelper.java

@@ -1,25 +1,24 @@
 //
-//  ========================================================================
-//  Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
-//  ------------------------------------------------------------------------
-//  All rights reserved. This program and the accompanying materials
-//  are made available under the terms of the Eclipse Public License v1.0
-//  and Apache License v2.0 which accompanies this distribution.
+// ========================================================================
+// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
 //
-//      The Eclipse Public License is available at
-//      http://www.eclipse.org/legal/epl-v10.html
+// This program and the accompanying materials are made available under
+// the terms of the Eclipse Public License 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0
 //
-//      The Apache License v2.0 is available at
-//      http://www.opensource.org/licenses/apache2.0.php
+// This Source Code may also be made available under the following
+// Secondary Licenses when the conditions for such availability set
+// forth in the Eclipse Public License, v. 2.0 are satisfied:
+// the Apache License v2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0
 //
-//  You may elect to redistribute this code under either of these licenses.
-//  ========================================================================
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
 //
 
 package org.eclipse.jetty.client;
 
 import org.eclipse.jetty.client.api.Connection;
-import org.eclipse.jetty.client.api.Destination;
 
 public class ConnectionPoolHelper
 {

jetty-util/src/main/java/org/eclipse/jetty/util/Attachable.java

@@ -1,19 +1,19 @@
 //
-//  ========================================================================
-//  Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
-//  ------------------------------------------------------------------------
-//  All rights reserved. This program and the accompanying materials
-//  are made available under the terms of the Eclipse Public License v1.0
-//  and Apache License v2.0 which accompanies this distribution.
+// ========================================================================
+// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
 //
-//      The Eclipse Public License is available at
-//      http://www.eclipse.org/legal/epl-v10.html
+// This program and the accompanying materials are made available under
+// the terms of the Eclipse Public License 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0
 //
-//      The Apache License v2.0 is available at
-//      http://www.opensource.org/licenses/apache2.0.php
+// This Source Code may also be made available under the following
+// Secondary Licenses when the conditions for such availability set
+// forth in the Eclipse Public License, v. 2.0 are satisfied:
+// the Apache License v2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0
 //
-//  You may elect to redistribute this code under either of these licenses.
-//  ========================================================================
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
 //
 
 package org.eclipse.jetty.util;

jetty-util/src/main/java/org/eclipse/jetty/util/Pool.java

@@ -1,19 +1,19 @@
 //
-//  ========================================================================
-//  Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
-//  ------------------------------------------------------------------------
-//  All rights reserved. This program and the accompanying materials
-//  are made available under the terms of the Eclipse Public License v1.0
-//  and Apache License v2.0 which accompanies this distribution.
+// ========================================================================
+// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
 //
-//      The Eclipse Public License is available at
-//      http://www.eclipse.org/legal/epl-v10.html
+// This program and the accompanying materials are made available under
+// the terms of the Eclipse Public License 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0
 //
-//      The Apache License v2.0 is available at
-//      http://www.opensource.org/licenses/apache2.0.php
+// This Source Code may also be made available under the following
+// Secondary Licenses when the conditions for such availability set
+// forth in the Eclipse Public License, v. 2.0 are satisfied:
+// the Apache License v2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0
 //
-//  You may elect to redistribute this code under either of these licenses.
-//  ========================================================================
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
 //
 
 package org.eclipse.jetty.util;

jetty-util/src/test/java/org/eclipse/jetty/util/PoolTest.java

@@ -1,19 +1,19 @@
 //
-//  ========================================================================
-//  Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
-//  ------------------------------------------------------------------------
-//  All rights reserved. This program and the accompanying materials
-//  are made available under the terms of the Eclipse Public License v1.0
-//  and Apache License v2.0 which accompanies this distribution.
+// ========================================================================
+// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
 //
-//      The Eclipse Public License is available at
-//      http://www.eclipse.org/legal/epl-v10.html
+// This program and the accompanying materials are made available under
+// the terms of the Eclipse Public License 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0
 //
-//      The Apache License v2.0 is available at
-//      http://www.opensource.org/licenses/apache2.0.php
+// This Source Code may also be made available under the following
+// Secondary Licenses when the conditions for such availability set
+// forth in the Eclipse Public License, v. 2.0 are satisfied:
+// the Apache License v2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0
 //
-//  You may elect to redistribute this code under either of these licenses.
-//  ========================================================================
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
 //
 
 package org.eclipse.jetty.util;

jetty-websocket/websocket-jakarta-common/src/main/java/org/eclipse/jetty/websocket/jakarta/common/SessionTracker.java

@@ -21,7 +21,7 @@ package org.eclipse.jetty.websocket.jakarta.common;
 import java.util.Collections;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.concurrent.ConcurrentHashMap;
 
 import jakarta.websocket.CloseReason;
 import jakarta.websocket.Session;
@@ -30,12 +30,12 @@ import org.eclipse.jetty.util.component.Graceful;
 
 public class SessionTracker extends AbstractLifeCycle implements JakartaWebSocketSessionListener, Graceful
 {
-    private final CopyOnWriteArraySet<JakartaWebSocketSession> sessions = new CopyOnWriteArraySet<>();
+    private final Set<JakartaWebSocketSession> sessions = Collections.newSetFromMap(new ConcurrentHashMap<>());
     private boolean isShutdown = false;
 
     public Set<Session> getSessions()
     {
-        return Collections.unmodifiableSet(sessions);
+        return Set.copyOf(sessions);
     }
 
     @Override

jetty-websocket/websocket-jetty-common/src/main/java/org/eclipse/jetty/websocket/common/SessionTracker.java

@@ -19,8 +19,12 @@
 package org.eclipse.jetty.websocket.common;
 
 import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
 
 import org.eclipse.jetty.util.component.AbstractLifeCycle;
@@ -31,12 +35,12 @@ import org.eclipse.jetty.websocket.api.WebSocketSessionListener;
 
 public class SessionTracker extends AbstractLifeCycle implements WebSocketSessionListener, Graceful
 {
-    private final List<Session> sessions = new CopyOnWriteArrayList<>();
+    private final Set<Session> sessions = Collections.newSetFromMap(new ConcurrentHashMap<>());
     private boolean isShutdown = false;
 
     public Collection<Session> getSessions()
     {
-        return sessions;
+        return Set.copyOf(sessions);
     }
 
     @Override

tests/jetty-jmh/src/main/java/org/eclipse/jetty/client/jmh/ConnectionPoolsBenchmark.java

@@ -1,19 +1,19 @@
 //
-//  ========================================================================
-//  Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
-//  ------------------------------------------------------------------------
-//  All rights reserved. This program and the accompanying materials
-//  are made available under the terms of the Eclipse Public License v1.0
-//  and Apache License v2.0 which accompanies this distribution.
+// ========================================================================
+// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
 //
-//      The Eclipse Public License is available at
-//      http://www.eclipse.org/legal/epl-v10.html
+// This program and the accompanying materials are made available under
+// the terms of the Eclipse Public License 2.0 which is available at
+// https://www.eclipse.org/legal/epl-2.0
 //
-//      The Apache License v2.0 is available at
-//      http://www.opensource.org/licenses/apache2.0.php
+// This Source Code may also be made available under the following
+// Secondary Licenses when the conditions for such availability set
+// forth in the Eclipse Public License, v. 2.0 are satisfied:
+// the Apache License v2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0
 //
-//  You may elect to redistribute this code under either of these licenses.
-//  ========================================================================
+// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
+// ========================================================================
 //
 
 package org.eclipse.jetty.client.jmh;