author | chegar |
Thu, 29 Mar 2018 17:52:06 +0100 | |
branch | http-client-branch |
changeset 56369 | 24a8fafec3ff |
parent 56265 | ec34ae013fbe |
child 56451 | 9585061fdb04 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 8087112 8180044 |
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* @modules java.net.http |
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* java.logging |
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* jdk.httpserver |
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* @library /lib/testlibrary/ / |
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* @build jdk.testlibrary.SimpleSSLContext |
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* @compile ../../../com/sun/net/httpserver/LogFilter.java |
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* @compile ../../../com/sun/net/httpserver/EchoHandler.java |
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* @compile ../../../com/sun/net/httpserver/FileServerHandler.java |
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* @run main/othervm/timeout=40 -Djdk.httpclient.HttpClient.log=ssl ManyRequests |
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* @run main/othervm/timeout=40 -Dtest.insertDelay=true ManyRequests |
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* @run main/othervm/timeout=40 -Dtest.chunkSize=64 ManyRequests |
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* @run main/othervm/timeout=40 -Dtest.insertDelay=true -Dtest.chunkSize=64 ManyRequests |
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* @summary Send a large number of requests asynchronously |
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*/ |
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// * @run main/othervm/timeout=40 -Djdk.httpclient.HttpClient.log=ssl ManyRequests |
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import com.sun.net.httpserver.HttpsConfigurator; |
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import com.sun.net.httpserver.HttpsParameters; |
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import com.sun.net.httpserver.HttpsServer; |
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import com.sun.net.httpserver.HttpExchange; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.net.InetAddress; |
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import java.net.InetSocketAddress; |
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import java.net.URI; |
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import java.net.http.HttpClient; |
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import java.net.http.HttpRequest; |
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import java.net.http.HttpRequest.BodyPublishers; |
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import java.net.http.HttpResponse.BodyHandlers; |
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import java.util.Arrays; |
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import java.util.Formatter; |
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import java.util.HashMap; |
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import java.util.LinkedList; |
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import java.util.Random; |
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import java.util.logging.Logger; |
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import java.util.logging.Level; |
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import java.util.concurrent.CompletableFuture; |
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import javax.net.ssl.SSLContext; |
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import jdk.testlibrary.SimpleSSLContext; |
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public class ManyRequests { |
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volatile static int counter = 0; |
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public static void main(String[] args) throws Exception { |
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Logger logger = Logger.getLogger("com.sun.net.httpserver"); |
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logger.setLevel(Level.ALL); |
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logger.info("TEST"); |
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System.out.println("Sending " + REQUESTS |
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+ " requests; delay=" + INSERT_DELAY |
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+ ", chunks=" + CHUNK_SIZE |
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+ ", XFixed=" + XFIXED); |
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SSLContext ctx = new SimpleSSLContext().get(); |
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InetSocketAddress addr = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0); |
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HttpsServer server = HttpsServer.create(addr, 0); |
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server.setHttpsConfigurator(new Configurator(ctx)); |
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HttpClient client = HttpClient.newBuilder() |
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.sslContext(ctx) |
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.build(); |
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try { |
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test(server, client); |
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System.out.println("OK"); |
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} finally { |
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server.stop(0); |
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} |
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} |
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//static final int REQUESTS = 1000; |
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static final int REQUESTS = 20; |
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static final boolean INSERT_DELAY = Boolean.getBoolean("test.insertDelay"); |
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static final int CHUNK_SIZE = Math.max(0, |
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Integer.parseInt(System.getProperty("test.chunkSize", "0"))); |
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static final boolean XFIXED = Boolean.getBoolean("test.XFixed"); |
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static class TestEchoHandler extends EchoHandler { |
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final Random rand = new Random(); |
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@Override |
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public void handle(HttpExchange e) throws IOException { |
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System.out.println("Server: received " + e.getRequestURI()); |
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super.handle(e); |
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} |
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@Override |
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protected void close(HttpExchange t, OutputStream os) throws IOException { |
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if (INSERT_DELAY) { |
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try { Thread.sleep(rand.nextInt(200)); } |
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catch (InterruptedException e) {} |
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} |
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System.out.println("Server: close outbound: " + t.getRequestURI()); |
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super.close(t, os); |
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} |
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@Override |
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protected void close(HttpExchange t, InputStream is) throws IOException { |
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if (INSERT_DELAY) { |
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try { Thread.sleep(rand.nextInt(200)); } |
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catch (InterruptedException e) {} |
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} |
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System.out.println("Server: close inbound: " + t.getRequestURI()); |
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super.close(t, is); |
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} |
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} |
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static void test(HttpsServer server, HttpClient client) throws Exception { |
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int port = server.getAddress().getPort(); |
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URI baseURI = new URI("https://localhost:" + port + "/foo/x"); |
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server.createContext("/foo", new TestEchoHandler()); |
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server.start(); |
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RequestLimiter limiter = new RequestLimiter(40); |
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Random rand = new Random(); |
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CompletableFuture<?>[] results = new CompletableFuture<?>[REQUESTS]; |
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HashMap<HttpRequest,byte[]> bodies = new HashMap<>(); |
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for (int i=0; i<REQUESTS; i++) { |
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byte[] buf = new byte[(i+1)*CHUNK_SIZE+i+1]; // different size bodies |
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rand.nextBytes(buf); |
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URI uri = new URI(baseURI.toString() + String.valueOf(i+1)); |
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HttpRequest r = HttpRequest.newBuilder(uri) |
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.header("XFixed", "true") |
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.POST(BodyPublishers.ofByteArray(buf)) |
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.build(); |
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bodies.put(r, buf); |
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results[i] = |
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limiter.whenOkToSend() |
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.thenCompose((v) -> { |
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System.out.println("Client: sendAsync: " + r.uri()); |
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return client.sendAsync(r, BodyHandlers.ofByteArray()); |
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}) |
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.thenCompose((resp) -> { |
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limiter.requestComplete(); |
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if (resp.statusCode() != 200) { |
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String s = "Expected 200, got: " + resp.statusCode(); |
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System.out.println(s + " from " |
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+ resp.request().uri().getPath()); |
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return completedWithIOException(s); |
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} else { |
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counter++; |
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System.out.println("Result (" + counter + ") from " |
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+ resp.request().uri().getPath()); |
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} |
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return CompletableFuture.completedStage(resp.body()) |
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.thenApply((b) -> new Pair<>(resp, b)); |
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}) |
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.thenAccept((pair) -> { |
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HttpRequest request = pair.t.request(); |
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byte[] requestBody = bodies.get(request); |
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check(Arrays.equals(requestBody, pair.u), |
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"bodies not equal:[" + bytesToHexString(requestBody) |
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+ "] [" + bytesToHexString(pair.u) + "]"); |
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}); |
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} |
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// wait for them all to complete and throw exception in case of error |
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CompletableFuture.allOf(results).join(); |
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} |
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static <T> CompletableFuture<T> completedWithIOException(String message) { |
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return CompletableFuture.failedFuture(new IOException(message)); |
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} |
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static String bytesToHexString(byte[] bytes) { |
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if (bytes == null) |
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return "null"; |
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StringBuilder sb = new StringBuilder(bytes.length * 2); |
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Formatter formatter = new Formatter(sb); |
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for (byte b : bytes) { |
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formatter.format("%02x", b); |
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} |
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|
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return sb.toString(); |
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} |
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|
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static final class Pair<T,U> { |
206 |
Pair(T t, U u) { |
|
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this.t = t; this.u = u; |
|
208 |
} |
|
209 |
T t; |
|
210 |
U u; |
|
211 |
} |
|
212 |
||
213 |
/** |
|
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* A simple limiter for controlling the number of requests to be run in |
|
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* parallel whenOkToSend() is called which returns a CF<Void> that allows |
|
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* each individual request to proceed, or block temporarily (blocking occurs |
|
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* on the waiters list here. As each request actually completes |
|
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* requestComplete() is called to notify this object, and allow some |
|
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* requests to continue. |
|
220 |
*/ |
|
221 |
static class RequestLimiter { |
|
222 |
||
223 |
static final CompletableFuture<Void> COMPLETED_FUTURE = |
|
224 |
CompletableFuture.completedFuture(null); |
|
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||
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final int maxnumber; |
|
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final LinkedList<CompletableFuture<Void>> waiters; |
|
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int number; |
|
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boolean blocked; |
|
230 |
||
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RequestLimiter(int maximum) { |
|
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waiters = new LinkedList<>(); |
|
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maxnumber = maximum; |
|
234 |
} |
|
235 |
||
236 |
synchronized void requestComplete() { |
|
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number--; |
|
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// don't unblock until number of requests has halved. |
|
239 |
if ((blocked && number <= maxnumber / 2) || |
|
240 |
(!blocked && waiters.size() > 0)) { |
|
241 |
int toRelease = Math.min(maxnumber - number, waiters.size()); |
|
242 |
for (int i=0; i<toRelease; i++) { |
|
243 |
CompletableFuture<Void> f = waiters.remove(); |
|
244 |
number ++; |
|
245 |
f.complete(null); |
|
246 |
} |
|
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blocked = number >= maxnumber; |
|
248 |
} |
|
249 |
} |
|
250 |
||
251 |
synchronized CompletableFuture<Void> whenOkToSend() { |
|
252 |
if (blocked || number + 1 >= maxnumber) { |
|
253 |
blocked = true; |
|
254 |
CompletableFuture<Void> r = new CompletableFuture<>(); |
|
255 |
waiters.add(r); |
|
256 |
return r; |
|
257 |
} else { |
|
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number++; |
|
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return COMPLETED_FUTURE; |
|
260 |
} |
|
261 |
} |
|
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} |
|
263 |
||
264 |
static void check(boolean cond, Object... msg) { |
|
265 |
if (cond) |
|
266 |
return; |
|
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StringBuilder sb = new StringBuilder(); |
|
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for (Object o : msg) |
|
269 |
sb.append(o); |
|
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throw new RuntimeException(sb.toString()); |
|
271 |
} |
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static class Configurator extends HttpsConfigurator { |
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public Configurator(SSLContext ctx) { |
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super(ctx); |
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} |
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public void configure(HttpsParameters params) { |
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params.setSSLParameters(getSSLContext().getSupportedSSLParameters()); |
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} |
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} |
282 |
} |