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/*
* 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.
*/
import java.net.ConnectException;
import java.net.InetSocketAddress;
import java.net.NoRouteToHostException;
import java.net.ProxySelector;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpClient.Version;
import java.net.http.HttpConnectTimeoutException;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CompletionException;
import org.testng.annotations.DataProvider;
import static java.lang.System.out;
import static java.net.http.HttpClient.Builder.NO_PROXY;
import static java.net.http.HttpClient.Version.HTTP_1_1;
import static java.net.http.HttpClient.Version.HTTP_2;
import static java.time.Duration.*;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static org.testng.Assert.fail;
public abstract class AbstractConnectTimeout {
static final Duration NO_DURATION = null;
static List<List<Duration>> TIMEOUTS = List.of(
// connectTimeout HttpRequest timeout
Arrays.asList( NO_DURATION, ofSeconds(1) ),
Arrays.asList( NO_DURATION, ofMillis(100) ),
Arrays.asList( NO_DURATION, ofNanos(99) ),
Arrays.asList( NO_DURATION, ofNanos(1) ),
Arrays.asList( ofSeconds(1), NO_DURATION ),
Arrays.asList( ofMillis(100), NO_DURATION ),
Arrays.asList( ofNanos(99), NO_DURATION ),
Arrays.asList( ofNanos(1), NO_DURATION ),
Arrays.asList( ofSeconds(1), ofMinutes(1) ),
Arrays.asList( ofMillis(100), ofMinutes(1) ),
Arrays.asList( ofNanos(99), ofMinutes(1) ),
Arrays.asList( ofNanos(1), ofMinutes(1) )
);
static final List<String> METHODS = List.of("GET", "POST");
static final List<Version> VERSIONS = List.of(HTTP_2, HTTP_1_1);
static final List<String> SCHEMES = List.of("https", "http");
@DataProvider(name = "variants")
public Object[][] variants() {
List<Object[]> l = new ArrayList<>();
for (List<Duration> timeouts : TIMEOUTS) {
Duration connectTimeout = timeouts.get(0);
Duration requestTimeout = timeouts.get(1);
for (String method: METHODS) {
for (String scheme : SCHEMES) {
for (Version requestVersion : VERSIONS) {
l.add(new Object[] {requestVersion, scheme, method, connectTimeout, requestTimeout});
}}}}
return l.stream().toArray(Object[][]::new);
}
static final ProxySelector EXAMPLE_DOT_COM_PROXY = ProxySelector.of(
InetSocketAddress.createUnresolved("example.com", 8080));
//@Test(dataProvider = "variants")
protected void timeoutNoProxySync(Version requestVersion,
String scheme,
String method,
Duration connectTimeout,
Duration requestTimeout)
throws Exception
{
timeoutSync(requestVersion, scheme, method, connectTimeout, requestTimeout, NO_PROXY);
}
//@Test(dataProvider = "variants")
protected void timeoutWithProxySync(Version requestVersion,
String scheme,
String method,
Duration connectTimeout,
Duration requestTimeout)
throws Exception
{
timeoutSync(requestVersion, scheme, method, connectTimeout, requestTimeout, EXAMPLE_DOT_COM_PROXY);
}
private void timeoutSync(Version requestVersion,
String scheme,
String method,
Duration connectTimeout,
Duration requestTimeout,
ProxySelector proxy)
throws Exception
{
out.printf("%ntimeoutSync(requestVersion=%s, scheme=%s, method=%s,"
+ " connectTimeout=%s, requestTimeout=%s, proxy=%s)%n",
requestVersion, scheme, method, connectTimeout, requestTimeout, proxy);
HttpClient client = newClient(connectTimeout, proxy);
HttpRequest request = newRequest(scheme, requestVersion, method, requestTimeout);
for (int i = 0; i < 2; i++) {
out.printf("iteration %d%n", i);
long startTime = System.nanoTime();
try {
HttpResponse<?> resp = client.send(request, BodyHandlers.ofString());
printResponse(resp);
fail("Unexpected response: " + resp);
} catch (HttpConnectTimeoutException expected) { // blocking thread-specific exception
long elapsedTime = NANOSECONDS.toMillis(System.nanoTime() - startTime);
out.printf("Client: received in %d millis%n", elapsedTime);
assertExceptionTypeAndCause(expected.getCause());
} catch (ConnectException e) {
long elapsedTime = NANOSECONDS.toMillis(System.nanoTime() - startTime);
out.printf("Client: received in %d millis%n", elapsedTime);
Throwable t = e.getCause().getCause(); // blocking thread-specific exception
if (!(t instanceof NoRouteToHostException)) { // tolerate only NRTHE
e.printStackTrace(out);
fail("Unexpected exception:" + e);
} else {
out.printf("Caught ConnectException with NoRouteToHostException"
+ " cause: %s - skipping%n", t.getCause());
}
}
}
}
//@Test(dataProvider = "variants")
protected void timeoutNoProxyAsync(Version requestVersion,
String scheme,
String method,
Duration connectTimeout,
Duration requestTimeout) {
timeoutAsync(requestVersion, scheme, method, connectTimeout, requestTimeout, NO_PROXY);
}
//@Test(dataProvider = "variants")
protected void timeoutWithProxyAsync(Version requestVersion,
String scheme,
String method,
Duration connectTimeout,
Duration requestTimeout) {
timeoutAsync(requestVersion, scheme, method, connectTimeout, requestTimeout, EXAMPLE_DOT_COM_PROXY);
}
private void timeoutAsync(Version requestVersion,
String scheme,
String method,
Duration connectTimeout,
Duration requestTimeout,
ProxySelector proxy) {
out.printf("%ntimeoutAsync(requestVersion=%s, scheme=%s, method=%s, "
+ "connectTimeout=%s, requestTimeout=%s, proxy=%s)%n",
requestVersion, scheme, method, connectTimeout, requestTimeout, proxy);
HttpClient client = newClient(connectTimeout, proxy);
HttpRequest request = newRequest(scheme, requestVersion, method, requestTimeout);
for (int i = 0; i < 2; i++) {
out.printf("iteration %d%n", i);
long startTime = System.nanoTime();
try {
HttpResponse<?> resp = client.sendAsync(request, BodyHandlers.ofString()).join();
printResponse(resp);
fail("Unexpected response: " + resp);
} catch (CompletionException e) {
long elapsedTime = NANOSECONDS.toMillis(System.nanoTime() - startTime);
out.printf("Client: received in %d millis%n", elapsedTime);
Throwable t = e.getCause();
if (t instanceof ConnectException &&
t.getCause() instanceof NoRouteToHostException) { // tolerate only NRTHE
out.printf("Caught ConnectException with NoRouteToHostException"
+ " cause: %s - skipping%n", t.getCause());
} else {
assertExceptionTypeAndCause(t);
}
}
}
}
static HttpClient newClient(Duration connectTimeout, ProxySelector proxy) {
HttpClient.Builder builder = HttpClient.newBuilder().proxy(proxy);
if (connectTimeout != NO_DURATION)
builder.connectTimeout(connectTimeout);
return builder.build();
}
static HttpRequest newRequest(String scheme,
Version reqVersion,
String method,
Duration requestTimeout) {
// Resolvable address. Most tested environments just ignore the TCP SYN,
// or occasionally return ICMP no route to host
URI uri = URI.create(scheme +"://example.com:81/");
HttpRequest.Builder reqBuilder = HttpRequest.newBuilder(uri);
reqBuilder = reqBuilder.version(reqVersion);
switch (method) {
case "GET" : reqBuilder.GET(); break;
case "POST" : reqBuilder.POST(BodyPublishers.noBody()); break;
default: throw new AssertionError("Unknown method:" + method);
}
if (requestTimeout != NO_DURATION)
reqBuilder.timeout(requestTimeout);
return reqBuilder.build();
}
static void assertExceptionTypeAndCause(Throwable t) {
if (!(t instanceof HttpConnectTimeoutException)) {
t.printStackTrace(out);
fail("Expected HttpConnectTimeoutException, got:" + t);
}
Throwable connEx = t.getCause();
if (!(connEx instanceof ConnectException)) {
t.printStackTrace(out);
fail("Expected ConnectException cause in:" + connEx);
}
out.printf("Caught expected HttpConnectTimeoutException with ConnectException"
+ " cause: %n%s%n%s%n", t, connEx);
final String EXPECTED_MESSAGE = "HTTP connect timed out"; // impl dependent
if (!connEx.getMessage().equals(EXPECTED_MESSAGE))
fail("Expected: \"" + EXPECTED_MESSAGE + "\", got: \"" + connEx.getMessage() + "\"");
}
static void printResponse(HttpResponse<?> response) {
out.println("Unexpected response: " + response);
out.println("Headers: " + response.headers());
out.println("Body: " + response.body());
}
}
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