| /* |
| * Copyright (c) 2016, 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.io.InputStream; |
| import java.net.Socket; |
| import java.util.Arrays; |
| |
| /** |
| * JDWP socket transport |
| */ |
| public class JdwpChannel { |
| |
| private Socket sock; |
| |
| public void connect() throws IOException { |
| sock = new Socket("localhost", DebuggeeLauncher.getJdwpPort()); |
| handshake(); |
| } |
| |
| /** |
| * Sends JDWP handshake and verifies the reply |
| * @throws IOException |
| */ |
| private void handshake() throws IOException { |
| final byte[] HANDSHAKE = "JDWP-Handshake".getBytes(); |
| sock.getOutputStream().write(HANDSHAKE, 0, HANDSHAKE.length); |
| |
| byte[] reply = new byte[14]; |
| sock.getInputStream().read(reply, 0, 14); |
| if (!Arrays.equals(HANDSHAKE, reply)) { |
| throw new RuntimeException("Error during handshake. Reply was: " + new String(reply) + " expected " + new String(HANDSHAKE)); |
| } |
| } |
| |
| public void disconnect() { |
| try { |
| sock.close(); |
| } catch (IOException x) { |
| } |
| } |
| |
| public void write(byte[] data, int length) throws IOException { |
| sock.getOutputStream().write(data, 0, length); |
| } |
| |
| public InputStream getInputStream() throws IOException { |
| return sock.getInputStream(); |
| } |
| |
| } |