126 lines
3.2 KiB
Java
126 lines
3.2 KiB
Java
/*
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* Copyright (C) 2016 Brian P. Hinz. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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package com.tigervnc.vncviewer;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.*;
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import com.tigervnc.rdr.*;
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import com.tigervnc.rfb.*;
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import com.tigervnc.rfb.Exception;
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import com.tigervnc.network.*;
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import static com.tigervnc.vncviewer.Parameters.*;
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public class ExtProcess implements Runnable {
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private String cmd = null;
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private LogWriter vlog = null;
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private boolean shutdown = false;
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private Process pid = null;
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private static class MyProcessLogger extends Thread {
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private final BufferedReader err;
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private final LogWriter vlog;
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public MyProcessLogger(Process p, LogWriter vlog) {
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InputStreamReader reader =
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new InputStreamReader(p.getErrorStream());
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err = new BufferedReader(reader);
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this.vlog = vlog;
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}
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@Override
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public void run() {
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try {
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while (true) {
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String msg = err.readLine();
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if (msg != null)
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vlog.info(msg);
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}
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} catch(java.io.IOException e) {
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vlog.info(e.getMessage());
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} finally {
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try {
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if (err != null)
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err.close();
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} catch (java.io.IOException e ) { }
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}
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}
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}
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private static class MyShutdownHook extends Thread {
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private Process proc = null;
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public MyShutdownHook(Process p) {
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proc = p;
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}
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@Override
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public void run() {
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try {
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proc.exitValue();
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} catch (IllegalThreadStateException e) {
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try {
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// wait for CConn to shutdown the socket
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Thread.sleep(500);
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} catch(InterruptedException ie) { }
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proc.destroy();
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}
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}
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}
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public ExtProcess(String command, LogWriter vlog, boolean shutdown) {
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cmd = command;
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this.vlog = vlog;
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this.shutdown = shutdown;
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}
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public ExtProcess(String command, LogWriter vlog) {
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this(command, vlog, false);
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}
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public ExtProcess(String command) {
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this(command, null, false);
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}
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public void run() {
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try {
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Runtime runtime = Runtime.getRuntime();
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pid = runtime.exec(cmd);
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if (shutdown)
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runtime.addShutdownHook(new MyShutdownHook(pid));
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if (vlog != null)
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new MyProcessLogger(pid, vlog).start();
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pid.waitFor();
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} catch(InterruptedException e) {
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vlog.info(e.getMessage());
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} catch(java.io.IOException e) {
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vlog.info(e.getMessage());
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}
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}
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//static LogWriter vlog = new LogWriter("ExtProcess");
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}
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