259 lines
11 KiB
Java
259 lines
11 KiB
Java
/*
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* Copyright (c) 2018, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.net.ConnectException;
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import java.net.InetSocketAddress;
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import java.net.NoRouteToHostException;
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import java.net.ProxySelector;
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import java.net.URI;
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import java.net.http.HttpClient;
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import java.net.http.HttpClient.Version;
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import java.net.http.HttpConnectTimeoutException;
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import java.net.http.HttpRequest;
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import java.net.http.HttpRequest.BodyPublishers;
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import java.net.http.HttpResponse;
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import java.net.http.HttpResponse.BodyHandlers;
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import java.nio.channels.UnresolvedAddressException;
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import java.time.Duration;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.CompletionException;
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import org.testng.annotations.DataProvider;
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import static java.lang.System.out;
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import static java.net.http.HttpClient.Builder.NO_PROXY;
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import static java.net.http.HttpClient.Version.HTTP_1_1;
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import static java.net.http.HttpClient.Version.HTTP_2;
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import static java.time.Duration.*;
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import static java.util.concurrent.TimeUnit.NANOSECONDS;
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import static org.testng.Assert.fail;
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public abstract class AbstractConnectTimeout {
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static final Duration NO_DURATION = null;
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static List<List<Duration>> TIMEOUTS = List.of(
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// connectTimeout HttpRequest timeout
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Arrays.asList( NO_DURATION, ofMillis(100) ),
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Arrays.asList( NO_DURATION, ofNanos(1) ),
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Arrays.asList( ofMillis(100), NO_DURATION ),
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Arrays.asList( ofNanos(1), NO_DURATION ),
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Arrays.asList( ofMillis(100), ofMinutes(1) ),
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Arrays.asList( ofNanos(1), ofMinutes(1) )
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);
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static final List<String> METHODS = List.of("GET", "POST");
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static final List<Version> VERSIONS = List.of(HTTP_2, HTTP_1_1);
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static final List<String> SCHEMES = List.of("https", "http");
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@DataProvider(name = "variants")
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public Object[][] variants() {
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List<Object[]> l = new ArrayList<>();
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for (List<Duration> timeouts : TIMEOUTS) {
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Duration connectTimeout = timeouts.get(0);
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Duration requestTimeout = timeouts.get(1);
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for (String method: METHODS) {
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for (String scheme : SCHEMES) {
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for (Version requestVersion : VERSIONS) {
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l.add(new Object[] {requestVersion, scheme, method, connectTimeout, requestTimeout});
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}}}}
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return l.stream().toArray(Object[][]::new);
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}
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static final ProxySelector EXAMPLE_DOT_COM_PROXY = ProxySelector.of(
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InetSocketAddress.createUnresolved("example.com", 8080));
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//@Test(dataProvider = "variants")
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protected void timeoutNoProxySync(Version requestVersion,
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String scheme,
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String method,
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Duration connectTimeout,
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Duration requestTimeout)
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throws Exception
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{
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timeoutSync(requestVersion, scheme, method, connectTimeout, requestTimeout, NO_PROXY);
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}
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//@Test(dataProvider = "variants")
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protected void timeoutWithProxySync(Version requestVersion,
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String scheme,
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String method,
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Duration connectTimeout,
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Duration requestTimeout)
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throws Exception
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{
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timeoutSync(requestVersion, scheme, method, connectTimeout, requestTimeout, EXAMPLE_DOT_COM_PROXY);
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}
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private void timeoutSync(Version requestVersion,
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String scheme,
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String method,
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Duration connectTimeout,
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Duration requestTimeout,
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ProxySelector proxy)
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throws Exception
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{
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out.printf("%ntimeoutSync(requestVersion=%s, scheme=%s, method=%s,"
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+ " connectTimeout=%s, requestTimeout=%s, proxy=%s)%n",
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requestVersion, scheme, method, connectTimeout, requestTimeout, proxy);
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HttpClient client = newClient(connectTimeout, proxy);
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HttpRequest request = newRequest(scheme, requestVersion, method, requestTimeout);
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for (int i = 0; i < 2; i++) {
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out.printf("iteration %d%n", i);
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long startTime = System.nanoTime();
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try {
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HttpResponse<?> resp = client.send(request, BodyHandlers.ofString());
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printResponse(resp);
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fail("Unexpected response: " + resp);
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} catch (HttpConnectTimeoutException expected) { // blocking thread-specific exception
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long elapsedTime = NANOSECONDS.toMillis(System.nanoTime() - startTime);
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out.printf("Client: received in %d millis%n", elapsedTime);
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assertExceptionTypeAndCause(expected.getCause());
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} catch (ConnectException e) {
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long elapsedTime = NANOSECONDS.toMillis(System.nanoTime() - startTime);
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out.printf("Client: received in %d millis%n", elapsedTime);
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Throwable t = e.getCause().getCause(); // blocking thread-specific exception
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if (!isAcceptableCause(t)) { // tolerate only NRTHE or UAE
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e.printStackTrace(out);
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fail("Unexpected exception:" + e);
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} else {
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out.printf("Caught ConnectException with "
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+ " cause: %s - skipping%n", t.getCause());
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}
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}
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}
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}
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//@Test(dataProvider = "variants")
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protected void timeoutNoProxyAsync(Version requestVersion,
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String scheme,
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String method,
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Duration connectTimeout,
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Duration requestTimeout) {
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timeoutAsync(requestVersion, scheme, method, connectTimeout, requestTimeout, NO_PROXY);
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}
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//@Test(dataProvider = "variants")
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protected void timeoutWithProxyAsync(Version requestVersion,
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String scheme,
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String method,
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Duration connectTimeout,
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Duration requestTimeout) {
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timeoutAsync(requestVersion, scheme, method, connectTimeout, requestTimeout, EXAMPLE_DOT_COM_PROXY);
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}
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private void timeoutAsync(Version requestVersion,
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String scheme,
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String method,
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Duration connectTimeout,
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Duration requestTimeout,
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ProxySelector proxy) {
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out.printf("%ntimeoutAsync(requestVersion=%s, scheme=%s, method=%s, "
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+ "connectTimeout=%s, requestTimeout=%s, proxy=%s)%n",
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requestVersion, scheme, method, connectTimeout, requestTimeout, proxy);
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HttpClient client = newClient(connectTimeout, proxy);
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HttpRequest request = newRequest(scheme, requestVersion, method, requestTimeout);
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for (int i = 0; i < 2; i++) {
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out.printf("iteration %d%n", i);
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long startTime = System.nanoTime();
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try {
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HttpResponse<?> resp = client.sendAsync(request, BodyHandlers.ofString()).join();
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printResponse(resp);
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fail("Unexpected response: " + resp);
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} catch (CompletionException e) {
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long elapsedTime = NANOSECONDS.toMillis(System.nanoTime() - startTime);
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out.printf("Client: received in %d millis%n", elapsedTime);
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Throwable t = e.getCause();
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if (t instanceof ConnectException && isAcceptableCause(t.getCause())) {
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// tolerate only NRTHE and UAE
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out.printf("Caught ConnectException with "
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+ "cause: %s - skipping%n", t.getCause());
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} else {
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assertExceptionTypeAndCause(t);
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}
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}
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}
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}
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static boolean isAcceptableCause(Throwable cause) {
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if (cause instanceof NoRouteToHostException) return true;
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if (cause instanceof UnresolvedAddressException) return true;
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return false;
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}
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static HttpClient newClient(Duration connectTimeout, ProxySelector proxy) {
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HttpClient.Builder builder = HttpClient.newBuilder().proxy(proxy);
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if (connectTimeout != NO_DURATION)
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builder.connectTimeout(connectTimeout);
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return builder.build();
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}
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static HttpRequest newRequest(String scheme,
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Version reqVersion,
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String method,
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Duration requestTimeout) {
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// Resolvable address. Most tested environments just ignore the TCP SYN,
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// or occasionally return ICMP no route to host
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URI uri = URI.create(scheme +"://example.com:81/");
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HttpRequest.Builder reqBuilder = HttpRequest.newBuilder(uri);
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reqBuilder = reqBuilder.version(reqVersion);
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switch (method) {
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case "GET" : reqBuilder.GET(); break;
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case "POST" : reqBuilder.POST(BodyPublishers.noBody()); break;
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default: throw new AssertionError("Unknown method:" + method);
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}
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if (requestTimeout != NO_DURATION)
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reqBuilder.timeout(requestTimeout);
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return reqBuilder.build();
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}
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static void assertExceptionTypeAndCause(Throwable t) {
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if (!(t instanceof HttpConnectTimeoutException)) {
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t.printStackTrace(out);
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fail("Expected HttpConnectTimeoutException, got:" + t);
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}
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Throwable connEx = t.getCause();
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if (!(connEx instanceof ConnectException)) {
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t.printStackTrace(out);
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fail("Expected ConnectException cause in:" + connEx);
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}
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out.printf("Caught expected HttpConnectTimeoutException with ConnectException"
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+ " cause: %n%s%n%s%n", t, connEx);
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final String EXPECTED_MESSAGE = "HTTP connect timed out"; // impl dependent
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if (!connEx.getMessage().equals(EXPECTED_MESSAGE))
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fail("Expected: \"" + EXPECTED_MESSAGE + "\", got: \"" + connEx.getMessage() + "\"");
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}
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static void printResponse(HttpResponse<?> response) {
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out.println("Unexpected response: " + response);
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out.println("Headers: " + response.headers());
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out.println("Body: " + response.body());
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}
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}
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