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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* 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.
*
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/*
* @test
* @summary Checks correct handling of Publishers that call onComplete without demand
* @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
* java.logging
* jdk.httpserver
* @library /lib/testlibrary http2/server
* @build Http2TestServer
* @build jdk.testlibrary.SimpleSSLContext
* @run testng/othervm CustomRequestPublisher
*/
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.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.Arrays;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Flow;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import jdk.testlibrary.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.net.http.HttpClient.Version.HTTP_1_1;
import static java.net.http.HttpClient.Version.HTTP_2;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static java.net.http.HttpResponse.BodyHandlers.ofString;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
public class CustomRequestPublisher {
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;
String httpsURI;
String http2URI;
String https2URI;
@DataProvider(name = "variants")
public Object[][] variants() {
Supplier<BodyPublisher> fixedSupplier = () -> new FixedLengthBodyPublisher();
Supplier<BodyPublisher> unknownSupplier = () -> new UnknownLengthBodyPublisher();
return new Object[][]{
{ httpURI, fixedSupplier, false },
{ httpURI, unknownSupplier, false },
{ httpsURI, fixedSupplier, false },
{ httpsURI, unknownSupplier, false },
{ http2URI, fixedSupplier, false },
{ http2URI, unknownSupplier, false },
{ https2URI, fixedSupplier, false,},
{ https2URI, unknownSupplier, false },
{ httpURI, fixedSupplier, true },
{ httpURI, unknownSupplier, true },
{ httpsURI, fixedSupplier, true },
{ httpsURI, unknownSupplier, true },
{ http2URI, fixedSupplier, true },
{ http2URI, unknownSupplier, true },
{ https2URI, fixedSupplier, true,},
{ https2URI, unknownSupplier, true },
};
}
static final int ITERATION_COUNT = 10;
/** Asserts HTTP Version, and SSLSession presence when applicable. */
static void assertVersionAndSession(HttpResponse response, String uri) {
if (uri.contains("http2") || uri.contains("https2"))
assertEquals(response.version(), HTTP_2);
else if (uri.contains("http1") || uri.contains("https1"))
assertEquals(response.version(), HTTP_1_1);
else
fail("Unknown HTTP version in test for: " + uri);
Optional<SSLSession> ssl = response.sslSession();
if (uri.contains("https")) {
assertTrue(ssl.isPresent(),
"Expected optional containing SSLSession but got:" + ssl);
try {
ssl.get().invalidate();
fail("SSLSession is not immutable: " + ssl.get());
} catch (UnsupportedOperationException expected) { }
} else {
assertTrue(!ssl.isPresent(), "UNEXPECTED non-empty optional:" + ssl);
}
}
@Test(dataProvider = "variants")
void test(String uri, Supplier<BodyPublisher> bpSupplier, boolean sameClient)
throws Exception
{
HttpClient client = null;
for (int i=0; i< ITERATION_COUNT; i++) {
if (!sameClient || client == null)
client = HttpClient.newBuilder().sslContext(sslContext).build();
BodyPublisher bodyPublisher = bpSupplier.get();
HttpRequest request = HttpRequest.newBuilder(URI.create(uri))
.POST(bodyPublisher)
.build();
HttpResponse<String> resp = client.send(request, ofString());
out.println("Got response: " + resp);
out.println("Got body: " + resp.body());
assertTrue(resp.statusCode() == 200,
"Expected 200, got:" + resp.statusCode());
assertEquals(resp.body(), bodyPublisher.bodyAsString());
assertVersionAndSession(resp, uri);
}
}
@Test(dataProvider = "variants")
void testAsync(String uri, Supplier<BodyPublisher> bpSupplier, boolean sameClient)
throws Exception
{
HttpClient client = null;
for (int i=0; i< ITERATION_COUNT; i++) {
if (!sameClient || client == null)
client = HttpClient.newBuilder().sslContext(sslContext).build();
BodyPublisher bodyPublisher = bpSupplier.get();
HttpRequest request = HttpRequest.newBuilder(URI.create(uri))
.POST(bodyPublisher)
.build();
CompletableFuture<HttpResponse<String>> cf = client.sendAsync(request, ofString());
HttpResponse<String> resp = cf.get();
out.println("Got response: " + resp);
out.println("Got body: " + resp.body());
assertTrue(resp.statusCode() == 200,
"Expected 200, got:" + resp.statusCode());
assertEquals(resp.body(), bodyPublisher.bodyAsString());
assertVersionAndSession(resp, uri);
}
}
/** A Publisher that returns an UNKNOWN content length. */
static class UnknownLengthBodyPublisher extends BodyPublisher {
@Override
public long contentLength() {
return -1; // unknown
}
}
/** A Publisher that returns a FIXED content length. */
static class FixedLengthBodyPublisher extends BodyPublisher {
final int LENGTH = Arrays.stream(BODY)
.mapToInt(s-> s.getBytes(US_ASCII).length)
.sum();
@Override
public long contentLength() {
return LENGTH;
}
}
/**
* A Publisher that ( quite correctly ) invokes onComplete, after the last
* item has been published, even without any outstanding demand.
*/
static abstract class BodyPublisher implements HttpRequest.BodyPublisher {
String[] BODY = new String[]
{ "Say ", "Hello ", "To ", "My ", "Little ", "Friend" };
protected volatile Flow.Subscriber subscriber;
@Override
public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) {
this.subscriber = subscriber;
subscriber.onSubscribe(new InternalSubscription());
}
@Override
public abstract long contentLength();
String bodyAsString() {
return Arrays.stream(BODY).collect(Collectors.joining());
}
class InternalSubscription implements Flow.Subscription {
private final AtomicLong demand = new AtomicLong();
private final AtomicBoolean cancelled = new AtomicBoolean();
private volatile int position;
private static final int IDLE = 1;
private static final int PUSHING = 2;
private static final int AGAIN = 4;
private final AtomicInteger state = new AtomicInteger(IDLE);
@Override
public void request(long n) {
if (n <= 0L) {
subscriber.onError(new IllegalArgumentException(
"non-positive subscription request"));
return;
}
if (cancelled.get()) {
return;
}
while (true) {
long prev = demand.get(), d;
if ((d = prev + n) < prev) // saturate
d = Long.MAX_VALUE;
if (demand.compareAndSet(prev, d))
break;
}
while (true) {
int s = state.get();
if (s == IDLE) {
if (state.compareAndSet(IDLE, PUSHING)) {
while (true) {
push();
if (state.compareAndSet(PUSHING, IDLE))
return;
else if (state.compareAndSet(AGAIN, PUSHING))
continue;
}
}
} else if (s == PUSHING) {
if (state.compareAndSet(PUSHING, AGAIN))
return;
} else if (s == AGAIN){
// do nothing, the pusher will already rerun
return;
} else {
throw new AssertionError("Unknown state:" + s);
}
}
}
private void push() {
long prev;
while ((prev = demand.get()) > 0) {
if (!demand.compareAndSet(prev, prev -1))
continue;
int index = position;
if (index < BODY.length) {
position++;
subscriber.onNext(ByteBuffer.wrap(BODY[index].getBytes(US_ASCII)));
}
}
if (position == BODY.length && !cancelled.get()) {
cancelled.set(true);
subscriber.onComplete(); // NOTE: onComplete without demand
}
}
@Override
public void cancel() {
if (cancelled.compareAndExchange(false, true))
return; // already cancelled
}
}
}
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");
InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);
httpTestServer = HttpServer.create(sa, 0);
httpTestServer.createContext("/http1/echo", new Http1EchoHandler());
httpURI = "http://" + serverAuthority(httpTestServer) + "/http1/echo";
httpsTestServer = HttpsServer.create(sa, 0);
httpsTestServer.setHttpsConfigurator(new HttpsConfigurator(sslContext));
httpsTestServer.createContext("/https1/echo", new Http1EchoHandler());
httpsURI = "https://" + serverAuthority(httpsTestServer) + "/https1/echo";
http2TestServer = new Http2TestServer("localhost", false, 0);
http2TestServer.addHandler(new Http2EchoHandler(), "/http2/echo");
http2URI = "http://" + http2TestServer.serverAuthority() + "/http2/echo";
https2TestServer = new Http2TestServer("localhost", true, 0);
https2TestServer.addHandler(new Http2EchoHandler(), "/https2/echo");
https2URI = "https://" + https2TestServer.serverAuthority() + "/https2/echo";
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 class Http1EchoHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
try (InputStream is = t.getRequestBody();
OutputStream os = t.getResponseBody()) {
byte[] bytes = is.readAllBytes();
t.sendResponseHeaders(200, bytes.length);
os.write(bytes);
}
}
}
static class Http2EchoHandler implements Http2Handler {
@Override
public void handle(Http2TestExchange t) throws IOException {
try (InputStream is = t.getRequestBody();
OutputStream os = t.getResponseBody()) {
byte[] bytes = is.readAllBytes();
t.sendResponseHeaders(200, bytes.length);
os.write(bytes);
}
}
}
}