mirror of
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194 lines
5.7 KiB
Java
194 lines
5.7 KiB
Java
/*
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* Copyright (c) 2012, Thingsquare, http://www.thingsquare.com/.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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import java.io.BufferedOutputStream;
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import java.io.BufferedReader;
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import java.io.DataInputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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public class Connect {
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private static Process cmd1Process;
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private static Process cmd2Process;
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private static BufferedOutputStream cmd1Out = null;
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private static BufferedOutputStream cmd2Out = null;
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private static final int BUFSIZE = 512;
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public static void main(String[] args) throws Exception {
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if (args.length != 2) {
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System.err.println("Usage: " + Connect.class.getName() + " [cmd1] [cmd2]");
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System.exit(1);
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}
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/* Command 1 */
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String cmd1 = args[0];
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System.out.println("> " + cmd1);
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cmd1Process = Runtime.getRuntime().exec(cmd1, null, new File("."));
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final DataInputStream cmd1Input = new DataInputStream(
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cmd1Process.getInputStream());
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final BufferedReader cmd1Err = new BufferedReader(
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new InputStreamReader(cmd1Process.getErrorStream()));
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cmd1Out = new BufferedOutputStream(cmd1Process.getOutputStream());
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Thread readInput = new Thread(new Runnable() {
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public void run() {
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int numRead = 0;
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byte[] buf = new byte[BUFSIZE];
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try {
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while (true) {
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numRead = cmd1Input.read(buf, 0, BUFSIZE);
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if (numRead > 0 && cmd2Out != null) {
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/* System.err.println("1>2 " + numRead); */
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cmd2Out.write(buf, 0, numRead);
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cmd2Out.flush();
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}
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Thread.sleep(1);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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String exitVal = "?";
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try {
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if (cmd1Process != null) {
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exitVal = "" + cmd1Process.exitValue();
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}
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} catch (IllegalStateException e) {
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e.printStackTrace();
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exitVal = "!";
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}
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System.out.println("cmd1 terminated: " + exitVal);
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exit();
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}
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}, "read stdout cmd1");
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Thread readError = new Thread(new Runnable() {
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public void run() {
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String line;
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try {
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while ((line = cmd1Err.readLine()) != null) {
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System.err.println("cmd1 err: " + line);
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}
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cmd1Err.close();
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} catch (IOException e) {
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}
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System.err.println("cmd1 terminated.");
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exit();
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}
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}, "read error cmd1");
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readInput.start();
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readError.start();
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/* Command 2 */
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String cmd2 = args[1];
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System.err.println("> " + cmd2);
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cmd2Process = Runtime.getRuntime().exec(cmd2, null, new File("."));
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final DataInputStream cmd2Input = new DataInputStream(
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cmd2Process.getInputStream());
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final BufferedReader cmd2Err = new BufferedReader(
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new InputStreamReader(cmd2Process.getErrorStream()));
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cmd2Out = new BufferedOutputStream(cmd2Process.getOutputStream());
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readInput = new Thread(new Runnable() {
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public void run() {
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int numRead = 0;
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byte[] buf = new byte[BUFSIZE];
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try {
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while (true) {
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numRead = cmd2Input.read(buf, 0, BUFSIZE);
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if (numRead > 0 && cmd1Out != null) {
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/* System.err.println("2>1 " + numRead); */
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cmd1Out.write(buf, 0, numRead);
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cmd1Out.flush();
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}
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Thread.sleep(1);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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String exitVal = "?";
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try {
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if (cmd2Process != null) {
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exitVal = "" + cmd2Process.exitValue();
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}
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} catch (IllegalStateException e) {
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e.printStackTrace();
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exitVal = "!";
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}
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System.out.println("cmd2 terminated: " + exitVal);
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exit();
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}
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}, "read stdout cmd2");
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readError = new Thread(new Runnable() {
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public void run() {
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String line;
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try {
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while ((line = cmd2Err.readLine()) != null) {
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System.err.println("cmd2 err: " + line);
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}
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cmd2Err.close();
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} catch (IOException e) {
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}
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System.err.println("cmd2 terminated.");
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exit();
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}
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}, "read error cmd2");
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readInput.start();
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readError.start();
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while (true) {
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Thread.sleep(100);
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}
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}
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private static void exit() {
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try {
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Thread.sleep(500);
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} catch (InterruptedException e) {
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}
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try {
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if (cmd1Process != null) {
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cmd1Process.destroy();
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}
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} catch (Exception e) {
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}
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try {
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if (cmd2Process != null) {
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cmd2Process.destroy();
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}
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} catch (Exception e) {
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}
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System.err.flush();
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System.exit(1);
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}
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}
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