--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/httpclient/DependentActionsTest.java Tue Apr 17 08:54:17 2018 -0700
@@ -0,0 +1,674 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Verify that dependent synchronous actions added before the CF
+ * completes are executed either asynchronously in an executor when the
+ * CF later completes, or in the user thread that joins.
+ * @library /lib/testlibrary http2/server
+ * @build jdk.testlibrary.SimpleSSLContext HttpServerAdapters ThrowingPublishers
+ * @modules java.base/sun.net.www.http
+ * java.net.http/jdk.internal.net.http.common
+ * java.net.http/jdk.internal.net.http.frame
+ * java.net.http/jdk.internal.net.http.hpack
+ * @run testng/othervm -Djdk.internal.httpclient.debug=true DependentActionsTest
+ * @run testng/othervm/java.security.policy=dependent.policy
+ * -Djdk.internal.httpclient.debug=true DependentActionsTest
+ */
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.StackWalker.StackFrame;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpsConfigurator;
+import com.sun.net.httpserver.HttpsServer;
+import jdk.testlibrary.SimpleSSLContext;
+import org.testng.annotations.AfterTest;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import javax.net.ssl.SSLContext;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpHeaders;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.net.http.HttpResponse.BodyHandler;
+import java.net.http.HttpResponse.BodyHandlers;
+import java.net.http.HttpResponse.BodySubscriber;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Flow;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static java.lang.System.out;
+import static java.lang.String.format;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+
+public class DependentActionsTest implements HttpServerAdapters {
+
+ SSLContext sslContext;
+ HttpTestServer httpTestServer; // HTTP/1.1 [ 4 servers ]
+ HttpTestServer httpsTestServer; // HTTPS/1.1
+ HttpTestServer http2TestServer; // HTTP/2 ( h2c )
+ HttpTestServer https2TestServer; // HTTP/2 ( h2 )
+ String httpURI_fixed;
+ String httpURI_chunk;
+ String httpsURI_fixed;
+ String httpsURI_chunk;
+ String http2URI_fixed;
+ String http2URI_chunk;
+ String https2URI_fixed;
+ String https2URI_chunk;
+
+ static final StackWalker WALKER =
+ StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
+
+ static final int ITERATION_COUNT = 1;
+ // a shared executor helps reduce the amount of threads created by the test
+ static final Executor executor = new TestExecutor(Executors.newCachedThreadPool());
+ static final ConcurrentMap<String, Throwable> FAILURES = new ConcurrentHashMap<>();
+ static volatile boolean tasksFailed;
+ static final AtomicLong serverCount = new AtomicLong();
+ static final AtomicLong clientCount = new AtomicLong();
+ static final long start = System.nanoTime();
+ public static String now() {
+ long now = System.nanoTime() - start;
+ long secs = now / 1000_000_000;
+ long mill = (now % 1000_000_000) / 1000_000;
+ long nan = now % 1000_000;
+ return String.format("[%d s, %d ms, %d ns] ", secs, mill, nan);
+ }
+
+ private volatile HttpClient sharedClient;
+
+ static class TestExecutor implements Executor {
+ final AtomicLong tasks = new AtomicLong();
+ Executor executor;
+ TestExecutor(Executor executor) {
+ this.executor = executor;
+ }
+
+ @Override
+ public void execute(Runnable command) {
+ long id = tasks.incrementAndGet();
+ executor.execute(() -> {
+ try {
+ command.run();
+ } catch (Throwable t) {
+ tasksFailed = true;
+ System.out.printf(now() + "Task %s failed: %s%n", id, t);
+ System.err.printf(now() + "Task %s failed: %s%n", id, t);
+ FAILURES.putIfAbsent("Task " + id, t);
+ throw t;
+ }
+ });
+ }
+ }
+
+ @AfterClass
+ static final void printFailedTests() {
+ out.println("\n=========================");
+ try {
+ out.printf("%n%sCreated %d servers and %d clients%n",
+ now(), serverCount.get(), clientCount.get());
+ if (FAILURES.isEmpty()) return;
+ out.println("Failed tests: ");
+ FAILURES.entrySet().forEach((e) -> {
+ out.printf("\t%s: %s%n", e.getKey(), e.getValue());
+ e.getValue().printStackTrace(out);
+ e.getValue().printStackTrace();
+ });
+ if (tasksFailed) {
+ System.out.println("WARNING: Some tasks failed");
+ }
+ } finally {
+ out.println("\n=========================\n");
+ }
+ }
+
+ private String[] uris() {
+ return new String[] {
+ httpURI_fixed,
+ httpURI_chunk,
+ httpsURI_fixed,
+ httpsURI_chunk,
+ http2URI_fixed,
+ http2URI_chunk,
+ https2URI_fixed,
+ https2URI_chunk,
+ };
+ }
+
+ static final class SemaphoreStallerSupplier
+ implements Supplier<SemaphoreStaller> {
+ @Override
+ public SemaphoreStaller get() {
+ return new SemaphoreStaller();
+ }
+ @Override
+ public String toString() {
+ return "SemaphoreStaller";
+ }
+ }
+
+ @DataProvider(name = "noStalls")
+ public Object[][] noThrows() {
+ String[] uris = uris();
+ Object[][] result = new Object[uris.length * 2][];
+ int i = 0;
+ for (boolean sameClient : List.of(false, true)) {
+ for (String uri: uris()) {
+ result[i++] = new Object[] {uri, sameClient};
+ }
+ }
+ assert i == uris.length * 2;
+ return result;
+ }
+
+ @DataProvider(name = "variants")
+ public Object[][] variants() {
+ String[] uris = uris();
+ Object[][] result = new Object[uris.length * 2][];
+ int i = 0;
+ Supplier<? extends Staller> s = new SemaphoreStallerSupplier();
+ for (Supplier<? extends Staller> staller : List.of(s)) {
+ for (boolean sameClient : List.of(false, true)) {
+ for (String uri : uris()) {
+ result[i++] = new Object[]{uri, sameClient, staller};
+ }
+ }
+ }
+ assert i == uris.length * 2;
+ return result;
+ }
+
+ private HttpClient makeNewClient() {
+ clientCount.incrementAndGet();
+ return HttpClient.newBuilder()
+ .executor(executor)
+ .sslContext(sslContext)
+ .build();
+ }
+
+ HttpClient newHttpClient(boolean share) {
+ if (!share) return makeNewClient();
+ HttpClient shared = sharedClient;
+ if (shared != null) return shared;
+ synchronized (this) {
+ shared = sharedClient;
+ if (shared == null) {
+ shared = sharedClient = makeNewClient();
+ }
+ return shared;
+ }
+ }
+
+ @Test(dataProvider = "noStalls")
+ public void testNoStalls(String uri, boolean sameClient)
+ throws Exception {
+ HttpClient client = null;
+ out.printf("%ntestNoStalls(%s, %b)%n", uri, sameClient);
+ for (int i=0; i< ITERATION_COUNT; i++) {
+ if (!sameClient || client == null)
+ client = newHttpClient(sameClient);
+
+ HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
+ .build();
+ BodyHandler<String> handler =
+ new StallingBodyHandler((w) -> {},
+ BodyHandlers.ofString());
+ HttpResponse<String> response = client.send(req, handler);
+ String body = response.body();
+ assertEquals(URI.create(body).getPath(), URI.create(uri).getPath());
+ }
+ }
+
+ @Test(dataProvider = "variants")
+ public void testAsStringAsync(String uri,
+ boolean sameClient,
+ Supplier<Staller> s)
+ throws Exception
+ {
+ Staller staller = s.get();
+ String test = format("testAsStringAsync(%s, %b, %s)",
+ uri, sameClient, staller);
+ testDependent(test, uri, sameClient, BodyHandlers::ofString,
+ this::finish, this::extractString, staller);
+ }
+
+ @Test(dataProvider = "variants")
+ public void testAsLinesAsync(String uri,
+ boolean sameClient,
+ Supplier<Staller> s)
+ throws Exception
+ {
+ Staller staller = s.get();
+ String test = format("testAsLinesAsync(%s, %b, %s)",
+ uri, sameClient, staller);
+ testDependent(test, uri, sameClient, BodyHandlers::ofLines,
+ this::finish, this::extractStream, staller);
+ }
+
+ @Test(dataProvider = "variants")
+ public void testAsInputStreamAsync(String uri,
+ boolean sameClient,
+ Supplier<Staller> s)
+ throws Exception
+ {
+ Staller staller = s.get();
+ String test = format("testAsInputStreamAsync(%s, %b, %s)",
+ uri, sameClient, staller);
+ testDependent(test, uri, sameClient, BodyHandlers::ofInputStream,
+ this::finish, this::extractInputStream, staller);
+ }
+
+ private <T,U> void testDependent(String name, String uri, boolean sameClient,
+ Supplier<BodyHandler<T>> handlers,
+ Finisher finisher,
+ Extractor extractor,
+ Staller staller)
+ throws Exception
+ {
+ out.printf("%n%s%s%n", now(), name);
+ try {
+ testDependent(uri, sameClient, handlers, finisher, extractor, staller);
+ } catch (Error | Exception x) {
+ FAILURES.putIfAbsent(name, x);
+ throw x;
+ }
+ }
+
+ private <T,U> void testDependent(String uri, boolean sameClient,
+ Supplier<BodyHandler<T>> handlers,
+ Finisher finisher,
+ Extractor extractor,
+ Staller staller)
+ throws Exception
+ {
+ HttpClient client = null;
+ for (Where where : EnumSet.of(Where.BODY_HANDLER)) {
+ if (!sameClient || client == null)
+ client = newHttpClient(sameClient);
+
+ HttpRequest req = HttpRequest.
+ newBuilder(URI.create(uri))
+ .build();
+ BodyHandler<T> handler =
+ new StallingBodyHandler(where.select(staller), handlers.get());
+ System.out.println("try stalling in " + where);
+ staller.acquire();
+ assert staller.willStall();
+ CompletableFuture<HttpResponse<T>> responseCF = client.sendAsync(req, handler);
+ assert !responseCF.isDone();
+ finisher.finish(where, responseCF, staller, extractor);
+ }
+ }
+
+ enum Where {
+ BODY_HANDLER, ON_SUBSCRIBE, ON_NEXT, ON_COMPLETE, ON_ERROR, GET_BODY, BODY_CF;
+ public Consumer<Where> select(Consumer<Where> consumer) {
+ return new Consumer<Where>() {
+ @Override
+ public void accept(Where where) {
+ if (Where.this == where) {
+ consumer.accept(where);
+ }
+ }
+ };
+ }
+ }
+
+ interface Extractor<T> {
+ public List<String> extract(HttpResponse<T> resp);
+ }
+
+ final List<String> extractString(HttpResponse<String> resp) {
+ return List.of(resp.body());
+ }
+
+ final List<String> extractStream(HttpResponse<Stream<String>> resp) {
+ return resp.body().collect(Collectors.toList());
+ }
+
+ final List<String> extractInputStream(HttpResponse<InputStream> resp) {
+ try (InputStream is = resp.body()) {
+ return new BufferedReader(new InputStreamReader(is))
+ .lines().collect(Collectors.toList());
+ } catch (IOException x) {
+ throw new CompletionException(x);
+ }
+ }
+
+ interface Finisher<T> {
+ public void finish(Where w,
+ CompletableFuture<HttpResponse<T>> cf,
+ Staller staller,
+ Extractor extractor);
+ }
+
+ Optional<StackFrame> findFrame(Stream<StackFrame> s, String name) {
+ return s.filter((f) -> f.getClassName().contains(name))
+ .filter((f) -> f.getDeclaringClass().getModule().equals(HttpClient.class.getModule()))
+ .findFirst();
+ }
+
+ <T> void checkThreadAndStack(Thread thread,
+ AtomicReference<RuntimeException> failed,
+ T result,
+ Throwable error) {
+ if (Thread.currentThread() == thread) {
+ //failed.set(new RuntimeException("Dependant action was executed in " + thread));
+ List<StackFrame> httpStack = WALKER.walk(s -> s.filter(f -> f.getDeclaringClass()
+ .getModule().equals(HttpClient.class.getModule()))
+ .collect(Collectors.toList()));
+ if (!httpStack.isEmpty()) {
+ System.out.println("Found unexpected trace: ");
+ httpStack.forEach(f -> System.out.printf("\t%s%n", f));
+ failed.set(new RuntimeException("Dependant action has unexpected frame in " +
+ Thread.currentThread() + ": " + httpStack.get(0)));
+
+ }
+ return;
+ } else if (System.getSecurityManager() != null) {
+ Optional<StackFrame> sf = WALKER.walk(s -> findFrame(s, "PrivilegedRunnable"));
+ if (!sf.isPresent()) {
+ failed.set(new RuntimeException("Dependant action does not have expected frame in "
+ + Thread.currentThread()));
+ return;
+ } else {
+ System.out.println("Found expected frame: " + sf.get());
+ }
+ } else {
+ List<StackFrame> httpStack = WALKER.walk(s -> s.filter(f -> f.getDeclaringClass()
+ .getModule().equals(HttpClient.class.getModule()))
+ .collect(Collectors.toList()));
+ if (!httpStack.isEmpty()) {
+ System.out.println("Found unexpected trace: ");
+ httpStack.forEach(f -> System.out.printf("\t%s%n", f));
+ failed.set(new RuntimeException("Dependant action has unexpected frame in " +
+ Thread.currentThread() + ": " + httpStack.get(0)));
+
+ }
+ }
+ }
+
+ <T> void finish(Where w, CompletableFuture<HttpResponse<T>> cf,
+ Staller staller,
+ Extractor<T> extractor) {
+ Thread thread = Thread.currentThread();
+ AtomicReference<RuntimeException> failed = new AtomicReference<>();
+ CompletableFuture<HttpResponse<T>> done = cf.whenComplete(
+ (r,t) -> checkThreadAndStack(thread, failed, r, t));
+ assert !cf.isDone();
+ try {
+ Thread.sleep(100);
+ } catch (Throwable t) {/* don't care */}
+ assert !cf.isDone();
+ staller.release();
+ try {
+ HttpResponse<T> response = done.join();
+ List<String> result = extractor.extract(response);
+ RuntimeException error = failed.get();
+ if (error != null) {
+ throw new RuntimeException("Test failed in "
+ + w + ": " + response, error);
+ }
+ assertEquals(result, List.of(response.request().uri().getPath()));
+ } finally {
+ staller.reset();
+ }
+ }
+
+ interface Staller extends Consumer<Where> {
+ void release();
+ void acquire();
+ void reset();
+ boolean willStall();
+ }
+
+ static final class SemaphoreStaller implements Staller {
+ final Semaphore sem = new Semaphore(1);
+ @Override
+ public void accept(Where where) {
+ System.out.println("Acquiring semaphore in "
+ + where + " permits=" + sem.availablePermits());
+ sem.acquireUninterruptibly();
+ System.out.println("Semaphored acquired in " + where);
+ }
+
+ @Override
+ public void release() {
+ System.out.println("Releasing semaphore: permits="
+ + sem.availablePermits());
+ sem.release();
+ }
+
+ @Override
+ public void acquire() {
+ sem.acquireUninterruptibly();
+ System.out.println("Semaphored acquired");
+ }
+
+ @Override
+ public void reset() {
+ System.out.println("Reseting semaphore: permits="
+ + sem.availablePermits());
+ sem.drainPermits();
+ sem.release();
+ System.out.println("Semaphore reset: permits="
+ + sem.availablePermits());
+ }
+
+ @Override
+ public boolean willStall() {
+ return sem.availablePermits() <= 0;
+ }
+
+ @Override
+ public String toString() {
+ return "SemaphoreStaller";
+ }
+ }
+
+ static final class StallingBodyHandler<T> implements BodyHandler<T> {
+ final Consumer<Where> stalling;
+ final BodyHandler<T> bodyHandler;
+ StallingBodyHandler(Consumer<Where> stalling, BodyHandler<T> bodyHandler) {
+ this.stalling = stalling;
+ this.bodyHandler = bodyHandler;
+ }
+ @Override
+ public BodySubscriber<T> apply(HttpResponse.ResponseInfo rinfo) {
+ stalling.accept(Where.BODY_HANDLER);
+ BodySubscriber<T> subscriber = bodyHandler.apply(rinfo);
+ return new StallingBodySubscriber(stalling, subscriber);
+ }
+ }
+
+ static final class StallingBodySubscriber<T> implements BodySubscriber<T> {
+ private final BodySubscriber<T> subscriber;
+ volatile boolean onSubscribeCalled;
+ final Consumer<Where> stalling;
+ StallingBodySubscriber(Consumer<Where> stalling, BodySubscriber<T> subscriber) {
+ this.stalling = stalling;
+ this.subscriber = subscriber;
+ }
+
+ @Override
+ public void onSubscribe(Flow.Subscription subscription) {
+ //out.println("onSubscribe ");
+ onSubscribeCalled = true;
+ stalling.accept(Where.ON_SUBSCRIBE);
+ subscriber.onSubscribe(subscription);
+ }
+
+ @Override
+ public void onNext(List<ByteBuffer> item) {
+ // out.println("onNext " + item);
+ assertTrue(onSubscribeCalled);
+ stalling.accept(Where.ON_NEXT);
+ subscriber.onNext(item);
+ }
+
+ @Override
+ public void onError(Throwable throwable) {
+ //out.println("onError");
+ assertTrue(onSubscribeCalled);
+ stalling.accept(Where.ON_ERROR);
+ subscriber.onError(throwable);
+ }
+
+ @Override
+ public void onComplete() {
+ //out.println("onComplete");
+ assertTrue(onSubscribeCalled, "onComplete called before onSubscribe");
+ stalling.accept(Where.ON_COMPLETE);
+ subscriber.onComplete();
+ }
+
+ @Override
+ public CompletionStage<T> getBody() {
+ stalling.accept(Where.GET_BODY);
+ try {
+ stalling.accept(Where.BODY_CF);
+ } catch (Throwable t) {
+ return CompletableFuture.failedFuture(t);
+ }
+ return subscriber.getBody();
+ }
+ }
+
+
+ @BeforeTest
+ public void setup() throws Exception {
+ sslContext = new SimpleSSLContext().get();
+ if (sslContext == null)
+ throw new AssertionError("Unexpected null sslContext");
+
+ // HTTP/1.1
+ HttpTestHandler h1_fixedLengthHandler = new HTTP_FixedLengthHandler();
+ HttpTestHandler h1_chunkHandler = new HTTP_ChunkedHandler();
+ InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);
+ httpTestServer = HttpTestServer.of(HttpServer.create(sa, 0));
+ httpTestServer.addHandler(h1_fixedLengthHandler, "/http1/fixed");
+ httpTestServer.addHandler(h1_chunkHandler, "/http1/chunk");
+ httpURI_fixed = "http://" + httpTestServer.serverAuthority() + "/http1/fixed/x";
+ httpURI_chunk = "http://" + httpTestServer.serverAuthority() + "/http1/chunk/x";
+
+ HttpsServer httpsServer = HttpsServer.create(sa, 0);
+ httpsServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
+ httpsTestServer = HttpTestServer.of(httpsServer);
+ httpsTestServer.addHandler(h1_fixedLengthHandler, "/https1/fixed");
+ httpsTestServer.addHandler(h1_chunkHandler, "/https1/chunk");
+ httpsURI_fixed = "https://" + httpsTestServer.serverAuthority() + "/https1/fixed/x";
+ httpsURI_chunk = "https://" + httpsTestServer.serverAuthority() + "/https1/chunk/x";
+
+ // HTTP/2
+ HttpTestHandler h2_fixedLengthHandler = new HTTP_FixedLengthHandler();
+ HttpTestHandler h2_chunkedHandler = new HTTP_ChunkedHandler();
+
+ http2TestServer = HttpTestServer.of(new Http2TestServer("localhost", false, 0));
+ http2TestServer.addHandler(h2_fixedLengthHandler, "/http2/fixed");
+ http2TestServer.addHandler(h2_chunkedHandler, "/http2/chunk");
+ http2URI_fixed = "http://" + http2TestServer.serverAuthority() + "/http2/fixed/x";
+ http2URI_chunk = "http://" + http2TestServer.serverAuthority() + "/http2/chunk/x";
+
+ https2TestServer = HttpTestServer.of(new Http2TestServer("localhost", true, 0));
+ https2TestServer.addHandler(h2_fixedLengthHandler, "/https2/fixed");
+ https2TestServer.addHandler(h2_chunkedHandler, "/https2/chunk");
+ https2URI_fixed = "https://" + https2TestServer.serverAuthority() + "/https2/fixed/x";
+ https2URI_chunk = "https://" + https2TestServer.serverAuthority() + "/https2/chunk/x";
+
+ serverCount.addAndGet(4);
+ httpTestServer.start();
+ httpsTestServer.start();
+ http2TestServer.start();
+ https2TestServer.start();
+ }
+
+ @AfterTest
+ public void teardown() throws Exception {
+ sharedClient = null;
+ httpTestServer.stop();
+ httpsTestServer.stop();
+ http2TestServer.stop();
+ https2TestServer.stop();
+ }
+
+ static class HTTP_FixedLengthHandler implements HttpTestHandler {
+ @Override
+ public void handle(HttpTestExchange t) throws IOException {
+ out.println("HTTP_FixedLengthHandler received request to " + t.getRequestURI());
+ try (InputStream is = t.getRequestBody()) {
+ is.readAllBytes();
+ }
+ byte[] resp = t.getRequestURI().getPath().getBytes(StandardCharsets.UTF_8);
+ t.sendResponseHeaders(200, resp.length); //fixed content length
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(resp);
+ }
+ }
+ }
+
+ static class HTTP_ChunkedHandler implements HttpTestHandler {
+ @Override
+ public void handle(HttpTestExchange t) throws IOException {
+ out.println("HTTP_ChunkedHandler received request to " + t.getRequestURI());
+ byte[] resp = t.getRequestURI().getPath().toString().getBytes(StandardCharsets.UTF_8);
+ try (InputStream is = t.getRequestBody()) {
+ is.readAllBytes();
+ }
+ t.sendResponseHeaders(200, -1); // chunked/variable
+ try (OutputStream os = t.getResponseBody()) {
+ os.write(resp);
+ }
+ }
+ }
+}