/*
* Copyright (c) 1998-2011 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 Sam
*/
package com.caucho.netbeans;
import org.openide.execution.NbProcessDescriptor;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.util.logging.Level;
import java.util.logging.Logger;
public class ResinProcess
{
private static final PluginL10N L = new PluginL10N(ResinProcess.class);
private static final Logger log
= Logger.getLogger(ResinProcess.class.getName());
public static final int LIFECYCLE_NEW = 0;
public static final int LIFECYCLE_INITIALIZING = 1;
public static final int LIFECYCLE_INIT = 2;
public static final int LIFECYCLE_STARTING = 3;
public static final int LIFECYCLE_STANDBY = 4;
public static final int LIFECYCLE_WARMUP = 5;
public static final int LIFECYCLE_ACTIVE = 6;
public static final int LIFECYCLE_FAILED = 7;
public static final int LIFECYCLE_STOPPING = 8;
public static final int LIFECYCLE_STOPPED = 9;
public static final int LIFECYCLE_DESTROYING = 10;
public static final int LIFECYCLE_DESTROYED = 11;
private int _lifecycle = LIFECYCLE_NEW;
private static final int TIMEOUT_TICK = 250;
private final ResinConfiguration _resinConfiguration;
private boolean _isDebug;
private int _activeServerPort;
private int _activeDebugPort;
private Process _process;
private Console _console;
private final Object _lock = new Object();
private File _javaExe;
private File _resinJar;
public ResinProcess(ResinConfiguration resinConfiguration)
{
_resinConfiguration = resinConfiguration;
}
public ResinConfiguration getResinConfiguration()
{
return _resinConfiguration;
}
private boolean isInit()
{
return _lifecycle >= LIFECYCLE_INIT;
}
public boolean isActive()
{
return _lifecycle == LIFECYCLE_ACTIVE;
}
public void init()
throws IllegalStateException
{
synchronized (_lock) {
if (isInit()) {
return;
}
_lifecycle = LIFECYCLE_INITIALIZING;
_resinConfiguration.validate();
File javaExe;
File javaHome = _resinConfiguration.calculateJavaHome();
javaExe = new File(javaHome, "bin/java");
if (!javaExe.exists()) {
javaExe = new File(javaHome, "bin/java.exe");
}
if (!javaExe.exists()) {
throw new IllegalStateException(L.l("Cannot find java exe in ''{0}''",
javaHome));
}
_javaExe = javaExe;
File resinHome = _resinConfiguration.getResinHome();
File resinJar = new File(resinHome, "lib/resin.jar");
if (!resinJar.exists()) {
throw new IllegalStateException(L.l(
"Cannot find lib/resin.jar in ''{0}''",
resinHome));
}
_resinJar = resinJar;
_lifecycle = LIFECYCLE_INIT;
}
}
public void start()
throws IllegalStateException, IOException
{
init();
synchronized (_lock) {
if (isActive()) {
stopImpl(false);
}
_isDebug = false;
startImpl();
}
}
public void startDebug()
throws IllegalStateException, IOException
{
init();
synchronized (_lock) {
if (isActive()) {
stopImpl(false);
}
_isDebug = true;
startImpl();
}
}
public boolean isDebug()
{
return _isDebug;
}
private void startImpl()
throws IllegalStateException, IOException
{
_lifecycle = LIFECYCLE_STARTING;
int serverPort = _resinConfiguration.getServerPort();
int debugPort = _resinConfiguration.getDebugPort();
File resinHome = _resinConfiguration.getResinHome();
//File resinConf = _resinConfiguration.getResinConf();
String serverId = _resinConfiguration.getServerId();
String address = _resinConfiguration.getResinInstance().getAddress();
//String user = _resinConfiguration.getResinInstance().getUser();
//String password = _resinConfiguration.getResinInstance().getPassword();
int port = _resinConfiguration.getResinInstance().getPort();
log.info("Resin starting on " + serverPort);
if (!isPortFree(serverPort)) {
throw new IllegalStateException(L.l(
"Cannot start Resin, server-port {0} is already in use",
serverPort));
}
if (_isDebug) {
if (debugPort == 0) {
ServerSocket ss = new ServerSocket(0, 5,
InetAddress.getByName("127.0.0.1"));
debugPort = ss.getLocalPort();
try {
Thread.sleep(100);
} catch (InterruptedException e) {
}
ss.close();
}
if (!isPortFree(debugPort)) {
throw new IllegalStateException(L.l(
"Cannot start Resin, debug-port {0} is already in use",
debugPort));
}
}
StringBuilder args = new StringBuilder();
//args.append("-Ddeploy.username=").append(user);
//args.append(" -Ddeploy.password=").append(password);
//args.append(" -Dserver.address=").append(address);
//args.append(" -Dserver.port=").append(port);
args.append(" -jar ");
args.append('"').append(resinHome.getPath()).append("/lib/resin.jar\" ");
args.append(" -resin-home \"" + resinHome + "\"");
//args.append(" -conf \"" + resinConf.getPath() + "\"");
args.append(" console");
if (_isDebug) {
throw new IllegalStateException("debug mode not implemented");
}
final String uri = _resinConfiguration.getResinInstance().getUrl();
// open the ServerLog
synchronized (this) {
if (_console != null) {
_console.takeFocus();
}
else {
_console = new Console(uri);
}
}
String classpath = null;
String displayName = _resinConfiguration.getDisplayName();
NbProcessDescriptor processDescriptor
= new NbProcessDescriptor(_javaExe.getAbsolutePath(),
args.toString(),
displayName);
_console.println(L.l("Starting Resin process {0} {1}",
processDescriptor.getProcessName(),
processDescriptor.getArguments()));
_console.flush();
_process = processDescriptor.exec(null, new String[]{}, true, resinHome);
_console.println();
_console.start(new InputStreamReader(_process.getInputStream()),
new InputStreamReader(_process.getErrorStream()));
new Thread("resin-" + uri + "-process-monitor")
{
public void run()
{
try {
_process.waitFor();
Thread.sleep(2000);
} catch (InterruptedException e) {
} finally {
handleProcessDied();
}
}
}.start();
// wait for server port to become active
_activeServerPort = serverPort;
_activeDebugPort = debugPort;
int startTimeout = _resinConfiguration.getStartTimeout();
boolean isResponding = false;
for (int i = startTimeout; i > 0; i -= TIMEOUT_TICK) {
if (isResponding()) {
isResponding = true;
break;
}
try {
Thread.sleep(TIMEOUT_TICK);
} catch (InterruptedException ex) {
log.log(Level.WARNING, ex.toString(), ex);
}
}
if (!isResponding) {
String msg = L.l("Resin process failed to respond on server-port {0}",
serverPort);
log.log(Level.WARNING, msg);
try {
stopImpl(false);
} catch (Exception ex) {
log.log(Level.WARNING, ex.toString(), ex);
}
throw new IOException(msg);
}
_lifecycle = LIFECYCLE_ACTIVE;
}
public Console getConsole()
{
return _console;
}
private static boolean isPortFree(int port)
{
ServerSocket ss = null;
try {
ss = new ServerSocket(port);
return true;
} catch (IOException ioe) {
return false;
} finally {
if (ss != null) {
try {
ss.close();
} catch (IOException ex) {
}
}
}
}
public String getHttpUrl()
{
return null;
}
/**
* Return true if the process is running
*/
public boolean isProcessRunning()
{
Process process = _process;
if (process != null) {
try {
process.exitValue();
return false;
} catch (IllegalThreadStateException e) {
return true;
}
}
return false;
}
/**
* Return true if the server is responding
*/
public boolean isResponding()
{
// XXX: could be more robust, contact the server and make sure there is a response
return _activeServerPort > 0 && !isPortFree(_activeServerPort);
}
public Process getJavaProcess()
{
return _process;
}
private void handleProcessDied()
{
stopImpl(false);
}
public void stop()
{
synchronized (_lock) {
if (_lifecycle != LIFECYCLE_ACTIVE) {
return;
}
stopImpl(true);
}
}
private void stopImpl(boolean isGraceful)
{
_lifecycle = LIFECYCLE_STOPPING;
Process process = _process;
_process = null;
Console console = _console;
_console = null;
int activeServerPort = _activeServerPort;
_activeServerPort = 0;
int activeDebugPort = _activeDebugPort;
_activeDebugPort = 0;
_isDebug = false;
try {
// XXX: graceful shutdown, send message to server,
// then use isPortFree in a while loop that times out
/*
if (isGraceful) {
try {
printConsoleLine(L.l("Stopping Resin process ..."));
}
catch (Exception ex) {
// no-op
}
for (int i = STOP_TIMEOUT; !isPortFree(activeServerPort) && i > 0; i-= TICK) {
try {
Thread.sleep(TICK);
}
catch (InterruptedException ex) {
if (log.isLoggable(Level.WARNING))
log.log(Level.WARNING, e), ex);
}
}
}
*/
} finally {
try {
if (process != null) {
process.destroy();
}
} finally {
try {
console.println(L.l("Resin process destroyed"));
console.flush();
} catch (Exception ex) {
// no-op
}
if (console != null) {
console.destroy();
}
}
}
_lifecycle = LIFECYCLE_STOPPED;
}
public void destroy()
{
synchronized (_lock) {
_lifecycle = LIFECYCLE_DESTROYING;
try {
try {
stop();
} catch (Exception ex) {
log.log(Level.WARNING, ex.toString(), ex);
try {
stopImpl(false);
} catch (Exception ex2) {
log.log(Level.WARNING, ex2.toString(), ex);
}
}
} finally {
_lifecycle = LIFECYCLE_DESTROYED;
}
}
}
}