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Apache HttpComponents HTTP/2 and HTTP/1.1 core component integration tests
/*
* ====================================================================
* 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
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*/
package org.apache.hc.core5.testing.nio;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.hc.core5.function.Callback;
import org.apache.hc.core5.http.nio.command.ShutdownCommand;
import org.apache.hc.core5.io.CloseMode;
import org.apache.hc.core5.reactor.ExceptionEvent;
import org.apache.hc.core5.reactor.IOEventHandlerFactory;
import org.apache.hc.core5.reactor.IOReactorConfig;
import org.apache.hc.core5.reactor.IOReactorService;
import org.apache.hc.core5.reactor.IOReactorStatus;
import org.apache.hc.core5.reactor.IOSession;
import org.apache.hc.core5.util.Args;
import org.apache.hc.core5.util.Asserts;
import org.apache.hc.core5.util.TimeValue;
abstract class IOReactorExecutor implements AutoCloseable {
enum Status { READY, RUNNING, TERMINATED }
private final IOReactorConfig ioReactorConfig;
private final ThreadFactory workerThreadFactory;
private final AtomicReference ioReactorRef;
private final AtomicReference status;
IOReactorExecutor(final IOReactorConfig ioReactorConfig, final ThreadFactory workerThreadFactory) {
super();
this.ioReactorConfig = ioReactorConfig != null ? ioReactorConfig : IOReactorConfig.DEFAULT;
this.workerThreadFactory = workerThreadFactory;
this.ioReactorRef = new AtomicReference<>(null);
this.status = new AtomicReference<>(Status.READY);
}
abstract T createIOReactor(
IOEventHandlerFactory ioEventHandlerFactory,
IOReactorConfig ioReactorConfig,
ThreadFactory threadFactory,
Callback sessionShutdownCallback) throws IOException;
protected void execute(final IOEventHandlerFactory ioEventHandlerFactory) throws IOException {
Args.notNull(ioEventHandlerFactory, "Handler factory");
if (ioReactorRef.compareAndSet(null, createIOReactor(
ioEventHandlerFactory,
ioReactorConfig,
workerThreadFactory,
ShutdownCommand.GRACEFUL_NORMAL_CALLBACK))) {
if (status.compareAndSet(Status.READY, Status.RUNNING)) {
ioReactorRef.get().start();
}
} else {
throw new IllegalStateException("I/O reactor has already been started");
}
}
private T ensureRunning() {
final T ioReactor = ioReactorRef.get();
Asserts.check(ioReactor != null, "I/O reactor has not been started");
return ioReactor;
}
T reactor() {
return ensureRunning();
}
public IOReactorStatus getStatus() {
final T ioReactor = ioReactorRef.get();
return ioReactor != null ? ioReactor.getStatus() : IOReactorStatus.INACTIVE;
}
public List getExceptionLog() {
final T ioReactor = ioReactorRef.get();
return ioReactor != null ? ioReactor.getExceptionLog() : Collections.emptyList();
}
public void awaitShutdown(final TimeValue waitTime) throws InterruptedException {
Args.notNull(waitTime, "Wait time");
final T ioReactor = ioReactorRef.get();
if (ioReactor != null) {
ioReactor.awaitShutdown(waitTime);
}
}
public void initiateShutdown() {
final T ioReactor = ioReactorRef.get();
if (ioReactor != null) {
if (status.compareAndSet(Status.RUNNING, Status.TERMINATED)) {
ioReactor.initiateShutdown();
}
}
}
public void shutdown(final TimeValue graceTime) {
Args.notNull(graceTime, "Grace time");
final T ioReactor = ioReactorRef.get();
if (ioReactor != null) {
if (status.compareAndSet(Status.RUNNING, Status.TERMINATED)) {
ioReactor.initiateShutdown();
}
try {
ioReactor.awaitShutdown(graceTime);
} catch (final InterruptedException ex) {
Thread.currentThread().interrupt();
}
ioReactor.close(CloseMode.IMMEDIATE);
}
}
@Override
public void close() throws Exception {
shutdown(TimeValue.ofSeconds(5));
}
}