/
MappingResponseSubscriber.java
371 lines (329 loc) · 14.5 KB
/
MappingResponseSubscriber.java
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/*
* Copyright (c) 2017, 2023, 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 Tests mapped response subscriber
* @library /test/lib http2/server
* @build jdk.test.lib.net.SimpleSSLContext
* @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
* MappingResponseSubscriber
*/
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.nio.ByteBuffer;
import java.util.List;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.Flow;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import com.sun.net.httpserver.HttpsConfigurator;
import com.sun.net.httpserver.HttpsServer;
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.BodySubscribers;
import java.net.http.HttpResponse.BodySubscriber;
import java.util.function.Function;
import javax.net.ssl.SSLContext;
import jdk.internal.net.http.common.OperationTrackers.Tracker;
import jdk.test.lib.net.SimpleSSLContext;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static java.lang.System.out;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
public class MappingResponseSubscriber {
SSLContext sslContext;
HttpServer httpTestServer; // HTTP/1.1 [ 4 servers ]
HttpsServer httpsTestServer; // HTTPS/1.1
Http2TestServer http2TestServer; // HTTP/2 ( h2c )
Http2TestServer 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 int ITERATION_COUNT = 3;
// a shared executor helps reduce the amount of threads created by the test
static final Executor executor = Executors.newCachedThreadPool();
static final ReferenceTracker TRACKER = ReferenceTracker.INSTANCE;
@DataProvider(name = "variants")
public Object[][] variants() {
return new Object[][]{
{ httpURI_fixed, false },
{ httpURI_chunk, false },
{ httpsURI_fixed, false },
{ httpsURI_chunk, false },
{ http2URI_fixed, false },
{ http2URI_chunk, false },
{ https2URI_fixed, false,},
{ https2URI_chunk, false },
{ httpURI_fixed, true },
{ httpURI_chunk, true },
{ httpsURI_fixed, true },
{ httpsURI_chunk, true },
{ http2URI_fixed, true },
{ http2URI_chunk, true },
{ https2URI_fixed, true,},
{ https2URI_chunk, true },
};
}
HttpClient newHttpClient() {
return HttpClient.newBuilder()
.executor(executor)
.sslContext(sslContext)
.build();
}
@Test(dataProvider = "variants")
public void testAsBytes(String uri, boolean sameClient) throws Exception {
HttpClient client = null;
for (int i = 0; i < ITERATION_COUNT; i++) {
if (!sameClient || client == null)
client = newHttpClient();
HttpRequest req = HttpRequest.newBuilder(URI.create(uri))
.build();
BodyHandler<byte[]> handler = new CRSBodyHandler();
HttpResponse<byte[]> response = client.send(req, handler);
byte[] body = response.body();
assertEquals(body, bytes);
// if sameClient we will reuse the client for the next
// operation, so there's nothing more to do.
if (sameClient) continue;
// if no error and not same client then wait for the
// client to be GC'ed before performing the nex operation
Tracker tracker = TRACKER.getTracker(client);
client = null;
System.gc();
AssertionError error = TRACKER.check(tracker, 1500);
if (error != null) throw error; // the client didn't shut down properly
}
if (sameClient) {
Tracker tracker = TRACKER.getTracker(client);
client = null;
System.gc();
AssertionError error = TRACKER.check(tracker,1500);
if (error != null) throw error; // the client didn't shut down properly
}
}
static class CRSBodyHandler implements BodyHandler<byte[]> {
@Override
public BodySubscriber<byte[]> apply(HttpResponse.ResponseInfo rinfo) {
assertEquals(rinfo.statusCode(), 200);
return BodySubscribers.mapping(
new CRSBodySubscriber(), (s) -> s.getBytes(UTF_8)
);
}
}
static class CRSBodySubscriber implements BodySubscriber<String> {
private final BodySubscriber<String> ofString = BodySubscribers.ofString(UTF_8);
volatile boolean onSubscribeCalled;
@Override
public void onSubscribe(Flow.Subscription subscription) {
//out.println("onSubscribe ");
onSubscribeCalled = true;
ofString.onSubscribe(subscription);
}
@Override
public void onNext(List<ByteBuffer> item) {
// out.println("onNext " + item);
assertTrue(onSubscribeCalled);
ofString.onNext(item);
}
@Override
public void onError(Throwable throwable) {
//out.println("onError");
assertTrue(onSubscribeCalled);
ofString.onError(throwable);
}
@Override
public void onComplete() {
//out.println("onComplete");
assertTrue(onSubscribeCalled, "onComplete called before onSubscribe");
ofString.onComplete();
}
@Override
public CompletionStage<String> getBody() {
return ofString.getBody();
}
}
static String serverAuthority(HttpServer server) {
return InetAddress.getLoopbackAddress().getHostName() + ":"
+ server.getAddress().getPort();
}
@BeforeTest
public void setup() throws Exception {
sslContext = new SimpleSSLContext().get();
if (sslContext == null)
throw new AssertionError("Unexpected null sslContext");
// HTTP/1.1
HttpHandler h1_fixedLengthHandler = new HTTP1_FixedLengthHandler();
HttpHandler h1_chunkHandler = new HTTP1_ChunkedHandler();
InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);
httpTestServer = HttpServer.create(sa, 0);
httpTestServer.createContext("/http1/fixed", h1_fixedLengthHandler);
httpTestServer.createContext("/http1/chunk", h1_chunkHandler);
httpURI_fixed = "http://" + serverAuthority(httpTestServer) + "/http1/fixed";
httpURI_chunk = "http://" + serverAuthority(httpTestServer) + "/http1/chunk";
httpsTestServer = HttpsServer.create(sa, 0);
httpsTestServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
httpsTestServer.createContext("/https1/fixed", h1_fixedLengthHandler);
httpsTestServer.createContext("/https1/chunk", h1_chunkHandler);
httpsURI_fixed = "https://" + serverAuthority(httpsTestServer) + "/https1/fixed";
httpsURI_chunk = "https://" + serverAuthority(httpsTestServer) + "/https1/chunk";
// HTTP/2
Http2Handler h2_fixedLengthHandler = new HTTP2_FixedLengthHandler();
Http2Handler h2_chunkedHandler = new HTTP2_VariableHandler();
http2TestServer = new Http2TestServer("localhost", false, 0);
http2TestServer.addHandler(h2_fixedLengthHandler, "/http2/fixed");
http2TestServer.addHandler(h2_chunkedHandler, "/http2/chunk");
http2URI_fixed = "http://" + http2TestServer.serverAuthority() + "/http2/fixed";
http2URI_chunk = "http://" + http2TestServer.serverAuthority() + "/http2/chunk";
https2TestServer = new Http2TestServer("localhost", true, sslContext);
https2TestServer.addHandler(h2_fixedLengthHandler, "/https2/fixed");
https2TestServer.addHandler(h2_chunkedHandler, "/https2/chunk");
https2URI_fixed = "https://" + https2TestServer.serverAuthority() + "/https2/fixed";
https2URI_chunk = "https://" + https2TestServer.serverAuthority() + "/https2/chunk";
httpTestServer.start();
httpsTestServer.start();
http2TestServer.start();
https2TestServer.start();
}
@AfterTest
public void teardown() throws Exception {
httpTestServer.stop(0);
httpsTestServer.stop(0);
http2TestServer.stop();
https2TestServer.stop();
}
static byte[] bytes;
static {
bytes = new byte[128 * 1024];
int b = 'A';
for (int i=0; i< bytes.length; i++) {
bytes[i] = (byte)b;
b = b == 'Z'? 'A' : b + 1;
}
}
static class HTTP1_FixedLengthHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
out.println("HTTP1_FixedLengthHandler received request to " + t.getRequestURI());
try (InputStream is = t.getRequestBody()) {
is.readAllBytes();
}
t.sendResponseHeaders(200, bytes.length); //no body
OutputStream os = t.getResponseBody();
os.write(bytes);
os.close();
}
}
static class HTTP1_ChunkedHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
out.println("HTTP1_ChunkedHandler received request to " + t.getRequestURI());
try (InputStream is = t.getRequestBody()) {
is.readAllBytes();
}
t.sendResponseHeaders(200, 0); // chunked
OutputStream os = t.getResponseBody();
os.write(bytes);
os.close();
}
}
static class HTTP2_FixedLengthHandler implements Http2Handler {
@Override
public void handle(Http2TestExchange t) throws IOException {
out.println("HTTP2_FixedLengthHandler received request to " + t.getRequestURI());
try (InputStream is = t.getRequestBody()) {
is.readAllBytes();
}
t.sendResponseHeaders(200, 0); // chunked
OutputStream os = t.getResponseBody();
os.write(bytes);
os.close();
}
}
static class HTTP2_VariableHandler implements Http2Handler {
@Override
public void handle(Http2TestExchange t) throws IOException {
out.println("HTTP2_VariableHandler received request to " + t.getRequestURI());
try (InputStream is = t.getRequestBody()) {
is.readAllBytes();
}
t.sendResponseHeaders(200, bytes.length); //no body
OutputStream os = t.getResponseBody();
os.write(bytes);
os.close();
}
}
// -- Compile only. Verifies generic signatures
static final Function<CharSequence,Integer> f1 = subscriber -> 1;
static final Function<CharSequence,Number> f2 = subscriber -> 2;
static final Function<String,Integer> f3 = subscriber -> 3;
static final Function<String,Number> f4 = subscriber -> 4;
public void compileOnly() throws Exception {
HttpClient client = null;
HttpRequest req = null;
HttpResponse<Integer> r1 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> 1));
HttpResponse<Number> r2 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> 1));
HttpResponse<String> r3 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> "s"));
HttpResponse<CharSequence> r4 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), s -> "s"));
HttpResponse<Integer> x1 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f1));
HttpResponse<Number> x2 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f1));
HttpResponse<Number> x3 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f2));
HttpResponse<Integer> x4 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f3));
HttpResponse<Number> x5 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f3));
HttpResponse<Number> x7 = client.send(req, (ri) ->
BodySubscribers.mapping(BodySubscribers.ofString(UTF_8), f4));
}
}