eaba9fe23b
Improve the verbosity of some httpclient tests to help diagnosis of intermittent failures. Also fixes ShortRequestBody test. Reviewed-by: chegar
362 lines
14 KiB
Java
362 lines
14 KiB
Java
/*
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* Copyright (c) 2015, 2019, 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.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.UncheckedIOException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketException;
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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.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.net.http.HttpTimeoutException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.ByteBuffer;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.Flow;
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import java.util.concurrent.TimeoutException;
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import java.util.concurrent.TimeUnit;
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import java.util.function.Supplier;
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import static java.lang.System.err;
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import static java.nio.charset.StandardCharsets.US_ASCII;
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import static java.nio.charset.StandardCharsets.UTF_8;
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/**
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* @test
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* @bug 8151441
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* @summary Request body of incorrect (larger or smaller) sizes than that
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* reported by the body publisher
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* @run main/othervm ShortRequestBody
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*/
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public class ShortRequestBody {
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static final Path testSrc = Paths.get(System.getProperty("test.src", "."));
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// Some body types ( sources ) for testing.
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static final String STRING_BODY = "Hello world";
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static final byte[] BYTE_ARRAY_BODY = new byte[] {
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(byte)0xCA, (byte)0xFE, (byte)0xBA, (byte)0xBE };
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static final Path FILE_BODY = testSrc.resolve("docs").resolve("files").resolve("foo.txt");
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// Body lengths and offsets ( amount to be wrong by ), to make coordination
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// between client and server easier.
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static final int[] BODY_LENGTHS = new int[] { STRING_BODY.length(),
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BYTE_ARRAY_BODY.length,
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fileSize(FILE_BODY) };
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static final int[] BODY_OFFSETS = new int[] { 0, +1, -1, +2, -2, +3, -3 };
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static final String MARKER = "ShortRequestBody";
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// A delegating Body Publisher. Subtypes will have a concrete body type.
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static abstract class AbstractDelegateRequestBody
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implements HttpRequest.BodyPublisher {
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final HttpRequest.BodyPublisher delegate;
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final long contentLength;
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AbstractDelegateRequestBody(HttpRequest.BodyPublisher delegate,
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long contentLength) {
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this.delegate = delegate;
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this.contentLength = contentLength;
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}
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@Override
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public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) {
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delegate.subscribe(subscriber);
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}
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@Override
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public long contentLength() { return contentLength; /* may be wrong! */ }
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}
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// Request body Publishers that may generate a different number of actual
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// bytes to that of what is reported through their {@code contentLength}.
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static class StringRequestBody extends AbstractDelegateRequestBody {
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StringRequestBody(String body, int additionalLength) {
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super(HttpRequest.BodyPublishers.ofString(body),
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body.getBytes(UTF_8).length + additionalLength);
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}
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}
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static class ByteArrayRequestBody extends AbstractDelegateRequestBody {
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ByteArrayRequestBody(byte[] body, int additionalLength) {
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super(BodyPublishers.ofByteArray(body),
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body.length + additionalLength);
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}
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}
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static class FileRequestBody extends AbstractDelegateRequestBody {
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FileRequestBody(Path path, int additionalLength) throws IOException {
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super(BodyPublishers.ofFile(path),
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Files.size(path) + additionalLength);
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}
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}
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// ---
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public static void main(String[] args) throws Exception {
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HttpClient sharedClient = HttpClient.newHttpClient();
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List<Supplier<HttpClient>> clientSuppliers = new ArrayList<>();
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clientSuppliers.add(() -> HttpClient.newHttpClient());
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clientSuppliers.add(() -> sharedClient);
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try (Server server = new Server()) {
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for (Supplier<HttpClient> cs : clientSuppliers) {
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err.println("\n---- next supplier ----\n");
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URI uri = new URI("http://localhost:" + server.getPort() + "/" + MARKER);
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// sanity ( 6 requests to keep client and server offsets easy to workout )
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success(cs, uri, new StringRequestBody(STRING_BODY, 0));
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success(cs, uri, new ByteArrayRequestBody(BYTE_ARRAY_BODY, 0));
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success(cs, uri, new FileRequestBody(FILE_BODY, 0));
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success(cs, uri, new StringRequestBody(STRING_BODY, 0));
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success(cs, uri, new ByteArrayRequestBody(BYTE_ARRAY_BODY, 0));
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success(cs, uri, new FileRequestBody(FILE_BODY, 0));
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for (int i = 1; i < BODY_OFFSETS.length; i++) {
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failureBlocking(cs, uri, new StringRequestBody(STRING_BODY, BODY_OFFSETS[i]));
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failureBlocking(cs, uri, new ByteArrayRequestBody(BYTE_ARRAY_BODY, BODY_OFFSETS[i]));
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failureBlocking(cs, uri, new FileRequestBody(FILE_BODY, BODY_OFFSETS[i]));
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failureNonBlocking(cs, uri, new StringRequestBody(STRING_BODY, BODY_OFFSETS[i]));
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failureNonBlocking(cs, uri, new ByteArrayRequestBody(BYTE_ARRAY_BODY, BODY_OFFSETS[i]));
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failureNonBlocking(cs, uri, new FileRequestBody(FILE_BODY, BODY_OFFSETS[i]));
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}
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}
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}
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}
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static void success(Supplier<HttpClient> clientSupplier,
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URI uri,
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HttpRequest.BodyPublisher publisher)
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throws Exception
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{
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CompletableFuture<HttpResponse<Void>> cf;
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HttpRequest request = HttpRequest.newBuilder(uri)
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.POST(publisher)
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.build();
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cf = clientSupplier.get().sendAsync(request, BodyHandlers.discarding());
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HttpResponse<Void> resp = cf.get(30, TimeUnit.SECONDS);
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err.println("Response code: " + resp.statusCode());
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check(resp.statusCode() == 200, null,
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"Expected 200, got ", resp.statusCode());
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}
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static void failureNonBlocking(Supplier<HttpClient> clientSupplier,
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URI uri,
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HttpRequest.BodyPublisher publisher)
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throws Exception
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{
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CompletableFuture<HttpResponse<Void>> cf;
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HttpRequest request = HttpRequest.newBuilder(uri)
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.POST(publisher)
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.build();
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cf = clientSupplier.get().sendAsync(request, BodyHandlers.discarding());
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try {
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HttpResponse<Void> r = cf.get(30, TimeUnit.SECONDS);
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throw new RuntimeException("Unexpected response: " + r.statusCode());
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} catch (TimeoutException x) {
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throw new RuntimeException("Unexpected timeout", x);
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} catch (ExecutionException expected) {
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err.println("Caught expected: " + expected);
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Throwable t = expected.getCause();
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check(t instanceof IOException, t,
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"Expected cause IOException, but got: ", t);
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String msg = t.getMessage();
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check(msg.contains("Too many") || msg.contains("Too few"),
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t, "Expected Too many|Too few, got: ", t);
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}
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}
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static void failureBlocking(Supplier<HttpClient> clientSupplier,
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URI uri,
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HttpRequest.BodyPublisher publisher)
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throws Exception
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{
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HttpRequest request = HttpRequest.newBuilder(uri)
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.POST(publisher)
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.build();
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try {
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HttpResponse<Void> r = clientSupplier.get()
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.send(request, BodyHandlers.discarding());
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throw new RuntimeException("Unexpected response: " + r.statusCode());
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} catch (HttpTimeoutException x) {
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throw new RuntimeException("Unexpected timeout", x);
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} catch (IOException expected) {
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err.println("Caught expected: " + expected);
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String msg = expected.getMessage();
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check(msg.contains("Too many") || msg.contains("Too few"),
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expected,"Expected Too many|Too few, got: ", expected);
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}
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}
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static class Server extends Thread implements AutoCloseable {
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static String RESPONSE = "HTTP/1.1 200 OK\r\n" +
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"Connection: close\r\n"+
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"Content-length: 0\r\n\r\n";
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private final ServerSocket ss;
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private volatile boolean closed;
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Server() throws IOException {
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super("Test-Server");
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ss = new ServerSocket();
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ss.setReuseAddress(false);
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ss.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
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this.start();
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}
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int getPort() { return ss.getLocalPort(); }
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@Override
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public void run() {
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int count = 0;
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int offset = 0;
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while (!closed) {
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err.println("Server: waiting for connection");
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try (Socket s = ss.accept()) {
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err.println("Server: got connection");
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InputStream is = s.getInputStream();
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try {
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String headers = readRequestHeaders(is);
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if (headers == null) continue;
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} catch (SocketException ex) {
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err.println("Ignoring unexpected exception while reading headers: " + ex);
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ex.printStackTrace(err);
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// proceed in order to update count etc..., even though
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// we know that read() will fail;
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}
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byte[] ba = new byte[1024];
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int length = BODY_LENGTHS[count % 3];
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length += BODY_OFFSETS[offset];
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err.println("Server: count=" + count + ", offset=" + offset);
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err.println("Server: expecting " +length+ " bytes");
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int read = 0;
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try {
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read = is.readNBytes(ba, 0, length);
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err.println("Server: actually read " + read + " bytes");
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} finally {
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// Update the counts before replying, to prevent the
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// client-side racing reset with this thread.
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count++;
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if (count % 6 == 0) // 6 is the number of failure requests per offset
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offset++;
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if (count % 42 == 0) {
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count = 0; // reset, for second iteration
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offset = 0;
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}
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}
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if (read < length) {
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// no need to reply, client has already closed
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// ensure closed
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if (is.read() != -1)
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new AssertionError("Unexpected read: " + read);
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} else {
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OutputStream os = s.getOutputStream();
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err.println("Server: writing "
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+ RESPONSE.getBytes(US_ASCII).length + " bytes");
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os.write(RESPONSE.getBytes(US_ASCII));
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}
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} catch (Throwable e) {
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if (!closed) {
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err.println("Unexpected: " + e);
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e.printStackTrace();
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}
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}
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}
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}
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@Override
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public void close() {
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if (closed)
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return;
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closed = true;
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try {
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ss.close();
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} catch (IOException e) {
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throw new UncheckedIOException("Unexpected", e);
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}
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}
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}
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static final byte[] requestEnd = new byte[] {'\r', '\n', '\r', '\n' };
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// Read until the end of a HTTP request headers
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static String readRequestHeaders(InputStream is) throws IOException {
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int requestEndCount = 0, r, eol = -1;
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StringBuilder headers = new StringBuilder();
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while ((r = is.read()) != -1) {
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if (r == '\r' && eol < 0) {
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eol = headers.length();
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}
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headers.append((char) r);
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if (r == requestEnd[requestEndCount]) {
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requestEndCount++;
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if (requestEndCount == 4) {
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break;
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}
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} else {
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requestEndCount = 0;
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}
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}
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if (eol <= 0) return null;
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String requestLine = headers.toString().substring(0, eol);
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if (!requestLine.contains(MARKER)) return null;
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return headers.toString();
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}
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static int fileSize(Path p) {
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try { return (int) Files.size(p); }
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catch (IOException x) { throw new UncheckedIOException(x); }
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}
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static boolean check(boolean cond, Throwable t, Object... failedArgs) {
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if (cond)
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return true;
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// We are going to fail...
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StringBuilder sb = new StringBuilder();
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for (Object o : failedArgs)
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sb.append(o);
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throw new RuntimeException(sb.toString(), t);
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}
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}
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