/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib;
import com.caucho.quercus.annotation.ResourceType;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.EnvCleanup;
import java.util.logging.Level;
import java.util.logging.Logger;
/*
* Represents a resource opened by proc_open().
*/
@ResourceType("process")
public class ProcOpenResource
implements EnvCleanup {
private static final Logger log = Logger.getLogger(ProcOpenResource.class.getName());
private Env _env;
private ProcOpenOutput _in;
private ProcOpenInput _out;
private ProcOpenInput _err;
private Process _process;
private String _command;
private boolean _isRunning = true;
private int _exitCode = -1;
public ProcOpenResource(Env env,
Process process,
ProcOpenOutput in,
ProcOpenInput out,
ProcOpenInput err,
String command) {
_env = env;
_process = process;
_in = in;
_out = out;
_err = err;
_command = command;
env.addCleanup(this);
}
public boolean isRunning() {
if (!_isRunning) {
return false;
}
try {
_exitCode = _process.exitValue();
_isRunning = false;
return false;
} catch (IllegalThreadStateException e) {
return true;
}
}
public int getExitCode() {
if (!_isRunning) {
return _exitCode;
}
try {
_exitCode = _process.exitValue();
_isRunning = false;
return _exitCode;
} catch (IllegalThreadStateException e) {
return -1;
}
}
public String getCommand() {
return _command;
}
public int pclose() {
try {
if (_in != null) {
_in.close();
}
_out.close();
_err.close();
return _process.waitFor();
} catch (Exception e) {
log.log(Level.FINE, e.getMessage());
_env.warning(e);
return -1;
} finally {
_env.removeCleanup(this);
}
}
public boolean terminate() {
if (_in != null) {
_in.close();
}
_out.close();
_err.close();
_process.destroy();
_env.removeCleanup(this);
return true;
}
/**
* Implements the EnvCleanup interface.
*/
@Override
public void cleanup() {
pclose();
}
}