| /* |
| * Copyright (c) 2020, 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.io.IOException; |
| import java.net.Socket; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.SocketChannel; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CompletionException; |
| import java.util.concurrent.CompletionStage; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import static org.testng.Assert.assertThrows; |
| |
| /** |
| * Helper class to create instances of DummySecureWebSocketServer which |
| * can support both plain and secure connections. |
| * The caller should invoke DummySecureWebSocketServer::secure before |
| * DummySecureWebSocketServer::open in order to enable secure connection. |
| * When secure, the DummySecureWebSocketServer currently only support using the |
| * default SSLEngine through the default SSLSocketServerFacrtory. |
| */ |
| public class SecureSupport { |
| |
| private SecureSupport() { } |
| |
| public static DummySecureWebSocketServer serverWithCannedData(int... data) { |
| return serverWithCannedDataAndAuthentication(null, null, data); |
| } |
| |
| public static DummySecureWebSocketServer serverWithCannedDataAndAuthentication( |
| String username, |
| String password, |
| int... data) |
| { |
| byte[] copy = new byte[data.length]; |
| for (int i = 0; i < data.length; i++) { |
| copy[i] = (byte) data[i]; |
| } |
| return serverWithCannedDataAndAuthentication(username, password, copy); |
| } |
| |
| public static DummySecureWebSocketServer serverWithCannedData(byte... data) { |
| return serverWithCannedDataAndAuthentication(null, null, data); |
| } |
| |
| public static DummySecureWebSocketServer serverWithCannedDataAndAuthentication( |
| String username, |
| String password, |
| byte... data) |
| { |
| byte[] copy = Arrays.copyOf(data, data.length); |
| return new DummySecureWebSocketServer(username, password) { |
| @Override |
| protected void write(WebSocketChannel ch) throws IOException { |
| int off = 0; int n = 1; // 1 byte at a time |
| while (off + n < copy.length + n) { |
| int len = Math.min(copy.length - off, n); |
| ByteBuffer bytes = ByteBuffer.wrap(copy, off, len); |
| off += len; |
| ch.write(bytes); |
| } |
| super.write(ch); |
| } |
| }; |
| } |
| |
| /* |
| * This server does not read from the wire, allowing its client to fill up |
| * their send buffer. Used to test scenarios with outstanding send |
| * operations. |
| */ |
| public static DummySecureWebSocketServer notReadingServer() { |
| return new DummySecureWebSocketServer() { |
| @Override |
| protected void read(WebSocketChannel ch) throws IOException { |
| try { |
| Thread.sleep(Long.MAX_VALUE); |
| } catch (InterruptedException e) { |
| throw new IOException(e); |
| } |
| } |
| }; |
| } |
| |
| public static DummySecureWebSocketServer writingServer(int... data) { |
| byte[] copy = new byte[data.length]; |
| for (int i = 0; i < data.length; i++) { |
| copy[i] = (byte) data[i]; |
| } |
| return new DummySecureWebSocketServer() { |
| |
| @Override |
| protected void read(WebSocketChannel ch) throws IOException { |
| try { |
| Thread.sleep(Long.MAX_VALUE); |
| } catch (InterruptedException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| @Override |
| protected void write(WebSocketChannel ch) throws IOException { |
| int off = 0; int n = 1; // 1 byte at a time |
| while (off + n < copy.length + n) { |
| int len = Math.min(copy.length - off, n); |
| ByteBuffer bytes = ByteBuffer.wrap(copy, off, len); |
| off += len; |
| ch.write(bytes); |
| } |
| super.write(ch); |
| } |
| }; |
| |
| } |
| |
| public static String stringWith2NBytes(int n) { |
| // -- Russian Alphabet (33 characters, 2 bytes per char) -- |
| char[] abc = { |
| 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0401, 0x0416, |
| 0x0417, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, |
| 0x041F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, |
| 0x0427, 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, |
| 0x042F, |
| }; |
| // repeat cyclically |
| StringBuilder sb = new StringBuilder(n); |
| for (int i = 0, j = 0; i < n; i++, j = (j + 1) % abc.length) { |
| sb.append(abc[j]); |
| } |
| String s = sb.toString(); |
| assert s.length() == n && s.getBytes(StandardCharsets.UTF_8).length == 2 * n; |
| return s; |
| } |
| |
| public static String malformedString() { |
| return new String(new char[]{0xDC00, 0xD800}); |
| } |
| |
| public static String incompleteString() { |
| return new String(new char[]{0xD800}); |
| } |
| |
| public static String stringWithNBytes(int n) { |
| char[] chars = new char[n]; |
| Arrays.fill(chars, 'A'); |
| return new String(chars); |
| } |
| } |