/*
* 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 Ensure that the POST method is retied when the property is set.
* @run testng/othervm -Djdk.httpclient.enableAllMethodRetry RetryPost
* @run testng/othervm -Djdk.httpclient.enableAllMethodRetry=true RetryPost
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UncheckedIOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse;
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.Builder.NO_PROXY;
import static java.net.http.HttpResponse.BodyHandlers.ofString;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.testng.Assert.assertEquals;
public class RetryPost {
FixedLengthServer fixedLengthServer;
String httpURIFixLen;
static final String RESPONSE_BODY =
"You use a glass mirror to see your face: you use works of art to see your soul.";
@DataProvider(name = "uris")
public Object[][] variants() {
return new Object[][] {
{ httpURIFixLen, true },
{ httpURIFixLen, false },
};
}
static final int ITERATION_COUNT = 3;
static final String REQUEST_BODY = "Body";
@Test(dataProvider = "uris")
void testSynchronousPOST(String url, boolean sameClient) throws Exception {
out.print("---\n");
HttpClient client = null;
for (int i=0; i< ITERATION_COUNT; i++) {
if (!sameClient || client == null)
client = HttpClient.newBuilder().proxy(NO_PROXY).build();
HttpRequest request = HttpRequest.newBuilder(URI.create(url))
.POST(BodyPublishers.ofString(REQUEST_BODY))
.build();
HttpResponse<String> response = client.send(request, ofString());
String body = response.body();
out.println(response + ": " + body);
assertEquals(response.statusCode(), 200);
assertEquals(body, RESPONSE_BODY);
}
}
@Test(dataProvider = "uris")
void testAsynchronousPOST(String url, boolean sameClient) {
out.print("---\n");
HttpClient client = null;
for (int i=0; i< ITERATION_COUNT; i++) {
if (!sameClient || client == null)
client = HttpClient.newBuilder().proxy(NO_PROXY).build();
HttpRequest request = HttpRequest.newBuilder(URI.create(url))
.POST(BodyPublishers.ofString(REQUEST_BODY))
.build();
client.sendAsync(request, ofString())
.thenApply(r -> { out.println(r + ": " + r.body()); return r; })
.thenApply(r -> { assertEquals(r.statusCode(), 200); return r; })
.thenApply(HttpResponse::body)
.thenAccept(b -> assertEquals(b, RESPONSE_BODY))
.join();
}
}
/**
* A server that issues a valid fixed-length reply on even requests, and
* immediately closes the connection on odd requests ( tick-tock ).
*/
static class FixedLengthServer extends Thread implements AutoCloseable {
static final String RESPONSE_HEADERS =
"HTTP/1.1 200 OK\r\n" +
"Content-Type: text/html; charset=utf-8\r\n" +
"Content-Length: " + RESPONSE_BODY.length() + "\r\n" +
"Connection: close\r\n\r\n";
static final String RESPONSE = RESPONSE_HEADERS + RESPONSE_BODY;
private final ServerSocket ss;
private volatile boolean closed;
private int invocationTimes;
FixedLengthServer() throws IOException {
super("FixedLengthServer");
ss = new ServerSocket();
ss.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
this.start();
}
public int getPort() { return ss.getLocalPort(); }
@Override
public void run() {
while (!closed) {
try (Socket s = ss.accept()) {
invocationTimes++;
out.print("FixedLengthServer: got connection ");
if ((invocationTimes & 0x1) == 0x1) {
out.println(" closing immediately");
s.close();
continue;
}
InputStream is = s.getInputStream();
URI requestMethod = readRequestMethod(is);
out.print(requestMethod + " ");
URI uriPath = readRequestPath(is);
out.println(uriPath);
readRequestHeaders(is);
byte[] body = is.readNBytes(4);
assert body.length == REQUEST_BODY.length() :
"Unexpected request body " + body.length;
OutputStream os = s.getOutputStream();
out.println("Server: writing response bytes");
byte[] responseBytes = RESPONSE.getBytes(US_ASCII);
os.write(responseBytes);
} catch (IOException e) {
if (!closed)
throw new UncheckedIOException("Unexpected", e);
}
}
}
@Override
public void close() {
if (closed)
return;
closed = true;
try {
ss.close();
} catch (IOException e) {
throw new UncheckedIOException("Unexpected", e);
}
}
static final byte[] requestEnd = new byte[] { '\r', '\n', '\r', '\n' };
// Read the request method
static URI readRequestMethod(InputStream is) throws IOException {
StringBuilder sb = new StringBuilder();
int r;
while ((r = is.read()) != -1 && r != 0x20) {
sb.append((char)r);
}
return URI.create(sb.toString());
}
// Read the request URI path
static URI readRequestPath(InputStream is) throws IOException {
StringBuilder sb = new StringBuilder();
int r;
while ((r = is.read()) != -1 && r != 0x20) {
sb.append((char)r);
}
return URI.create(sb.toString());
}
// Read until the end of a HTTP request headers
static void readRequestHeaders(InputStream is) throws IOException {
int requestEndCount = 0, r;
while ((r = is.read()) != -1) {
if (r == requestEnd[requestEndCount]) {
requestEndCount++;
if (requestEndCount == 4) {
break;
}
} else {
requestEndCount = 0;
}
}
}
}
static String serverAuthority(FixedLengthServer server) {
return InetAddress.getLoopbackAddress().getHostName() + ":"
+ server.getPort();
}
@BeforeTest
public void setup() throws Exception {
fixedLengthServer = new FixedLengthServer();
httpURIFixLen = "http://" + serverAuthority(fixedLengthServer)
+ "/http1/fixed/baz";
}
@AfterTest
public void teardown() throws Exception {
fixedLengthServer.close();
}
}