package org.rzo.yajsw.os.posix;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.VelocityEngine;
import org.rzo.yajsw.Constants;
import org.rzo.yajsw.boot.WrapperLoader;
import org.rzo.yajsw.os.AbstractService;
import org.rzo.yajsw.os.JavaHome;
import org.rzo.yajsw.os.OperatingSystem;
import org.rzo.yajsw.os.posix.PosixProcess.CLibrary;
public class PosixService extends AbstractService implements Constants
{
protected String _daemonDir;
String _daemonTemplate;
String _daemonScript;
String _wrapperPidFile;
String _appPidFile;
String _pidDir;
String _confFile;
int _stopTimeout;
String[] _startCmd;
String[] _execCmd;
String[] _stopCmd;
String[] _statusCmd;
List<String> _ksLinks = new ArrayList<String>();
UpdateRcParser _updateRcParser;
Utils _utils = new Utils();
@Override
public void setLogger(Logger logger)
{
super.setLogger(logger);
_utils.setLog(logger);
}
public void init()
{
if (_name == null)
{
_logger.warning("no name for daemon -> abort");
return;
}
_daemonDir = _config.getString("wrapper.daemon.dir", getDefaultDaemonDir());
File daemonDir = new File(_daemonDir);
if (!daemonDir.exists() || !daemonDir.isDirectory())
{
_logger.warning("Error " + _daemonDir + " : is not a directory");
return;
}
_pidDir = _config.getString("wrapper.daemon.pid.dir", Constants.DEFAULT_DAEMON_PID_DIR);
File pidDir = new File(_pidDir);
if (!pidDir.exists() || !pidDir.isDirectory())
{
_logger.warning("Error " + _pidDir + " : is not a directory");
return;
}
String wrapperJar = WrapperLoader.getWrapperJar().trim();
String wrapperHome = ".";
try
{
wrapperHome = new File(wrapperJar).getParentFile().getCanonicalPath();
}
catch (IOException e1)
{
e1.printStackTrace();
}
String confFile = _config.getString("wrapper.config");
String confDir = null;
if (confFile != null)
{
File f = new File(confFile);
if (f.exists())
try
{
confDir = f.getParentFile().getCanonicalPath();
}
catch (IOException e)
{
}
}
if (confDir == null)
confDir = wrapperHome + "/conf";
if (confFile == null)
{
_logger.warning("no conf file found -> abort");
return;
}
try
{
_confFile = new File(confFile).getCanonicalPath();
}
catch (IOException e)
{
_logger.throwing(this.getClass().getName(), "init", e);
}
_daemonTemplate = _config.getString("wrapper.daemon.template", wrapperHome + "/templates/daemon.vm");
File daemonTemplate = new File(_daemonTemplate);
if (!daemonTemplate.exists() || !daemonTemplate.isFile())
{
if (_logger != null)
_logger.warning("Error " + _daemonTemplate + " : template file not found");
return;
}
File daemonScript = getDaemonScript();
if (daemonScript.exists())
if (_logger != null)
_logger.info(daemonScript.getAbsolutePath() + " already exists");
String pidName = null;
try
{
pidName = _config.getString("wrapper.pidfile", new File(pidDir, "wrapper." + getName() + ".pid").getCanonicalPath());
}
catch (IOException e)
{
if (_logger != null)
_logger.throwing(this.getClass().getName(), "init", e);
}
File pidFile = new File(pidName);
String apidName = null;
try
{
apidName = _config.getString("wrapper.java.pidfile", new File(pidDir, "wrapper.java." + getName() + ".pid").getCanonicalPath());
}
catch (IOException e)
{
if (_logger != null)
_logger.throwing(this.getClass().getName(), "init", e);
}
File apidFile = new File(apidName);
try
{
_daemonTemplate = daemonTemplate.getCanonicalPath();
_wrapperPidFile = pidFile.getCanonicalPath();
_appPidFile = apidFile.getCanonicalPath();
_daemonScript = daemonScript.getCanonicalPath();
}
catch (Exception ex)
{
if (_logger != null)
_logger.throwing(this.getClass().getName(), "init", ex);
}
JavaHome javaHome = OperatingSystem.instance().getJavaHome(_config);
String java = javaHome.findJava();
_startCmd = new String[10];
_startCmd[0] = java;
_startCmd[1] = "-Dwrapper.pidfile=" + _wrapperPidFile;
_startCmd[2] = "-Dwrapper.service=true";
_startCmd[3] = "-Dwrapper.visible=false";
_startCmd[4] = null;
_startCmd[5] = null;
_startCmd[6] = "-jar";
_startCmd[7] = wrapperJar;
_startCmd[8] = "-tx";
_startCmd[9] = _confFile;
_execCmd = _startCmd.clone();
//_execCmd[4] = "-Xrs";
_execCmd[8] = "-c";
if (_config.getBoolean("wrapper.ntservice.debug", false))
{
_execCmd[4] = "-Xdebug";
_execCmd[5] = "-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=1044";
}
_stopCmd = _startCmd.clone();
_stopCmd[8] = "-px";
_statusCmd = _startCmd.clone();
_statusCmd[8] = "-qx";
String defaultRunLevelDir = _daemonDir + "/" + DEFAULT_DAEMON_RUN_LEVEL_DIR;
String runLevelDir = _config.getString("wrapper.daemon.run_level_dir", defaultRunLevelDir);
_updateRcParser = new UpdateRcParser(_config.getString("wrapper.daemon.update_rc", null), runLevelDir, getName());
_ksLinks.addAll(_updateRcParser.getStartLinks());
_ksLinks.addAll(_updateRcParser.getStopLinks());
_stopTimeout = _config.getInt("wrapper.shutdown.timeout", Constants.DEFAULT_SHUTDOWN_TIMEOUT) * 1000;
}
protected String getDefaultDaemonDir()
{
return Constants.DEFAULT_DAEMON_DIR;
}
protected File getDaemonScript()
{
return new File(new File(_daemonDir), getName());
}
public boolean install()
{
if (_daemonScript == null)
{
if (_logger != null)
_logger.warning("Error : not initialized -> abort");
return false;
}
try
{
File daemonTemplate = new File(_daemonTemplate);
VelocityEngine ve = new VelocityEngine();
ve.setProperty(VelocityEngine.RESOURCE_LOADER, "file");
ve.setProperty("file.resource.loader.path", daemonTemplate.getParent());
ve.setProperty("runtime.log.logsystem.class", VelocityLog.class.getCanonicalName());
// TODO find a way to set a non static logger
VelocityLog.setLogger(_logger);
ve.init();
Template t = ve.getTemplate(daemonTemplate.getName());
VelocityContext context = new VelocityContext();
context.put("w_name", _name);
context.put("w_long_name", _displayName);
context.put("w_start_cmd", toStrCommand(_startCmd));
context.put("w_stop_cmd", toStrCommand(_stopCmd));
context.put("w_status_cmd", toStrCommand(_statusCmd));
context.put("w_description", _description);
context.put("w_conf_file", _confFile);
context.put("w_app_pid_file", _appPidFile);
context.put("w_wrapper_pid_file", _wrapperPidFile);
FileWriter writer = new FileWriter(_daemonScript);
t.merge(context, writer);
writer.flush();
writer.close();
File daemonScript = new File(_daemonScript);
if (daemonScript.exists())
{
if (_logger != null)
_logger.warning("created daemon script: " + _daemonScript);
}
else
{
if (_logger != null)
_logger.warning("error creating daemon script: " + _daemonScript);
}
// only jdk 1.6 daemonScript.setExecutable(true);
Runtime.getRuntime().exec("chmod 755 " + _daemonScript);
if ("AUTO_START".equals(_config.getString("wrapper.ntservice.starttype", DEFAULT_SERVICE_START_TYPE)))
{
for (String link : _ksLinks)
if (CLibrary.INSTANCE.symlink(_daemonScript, link) != 0)
{
if (_logger != null)
_logger.info("error on creating script link " + link);
}
else
{
if (new File(link).exists())
{
if (_logger != null)
_logger.info("created link : " + link);
}
else
{
if (_logger != null)
_logger.info("error on creating script link " + link);
}
}
// Runtime.getRuntime().exec(String.format("ln -s %1$s %2$s",
// _klink, _daemonScript));
// Runtime.getRuntime().exec(String.format("ln -s %1$s %2$s",
// _slink, _daemonScript));
}
}
catch (Exception ex)
{
if (_logger != null)
_logger.throwing(this.getClass().getName(), "install", ex);
return false;
}
return true;
}
private String toStrCommand(String[] cmd)
{
String tmp = "";
for (String s : cmd)
{
if (s != null)
tmp += "\"" + s + "\" ";
}
return tmp;
}
public boolean isInstalled()
{
return _daemonScript != null && new File(_daemonScript).exists();
}
public boolean isRunning()
{
int pid = getPid();
if (pid < 0)
return false;
org.rzo.yajsw.os.Process p = OperatingSystem.instance().processManagerInstance().getProcess(pid);
return p != null && p.isRunning();
}
public boolean start()
{
if (isRunning())
{
if (_logger != null)
_logger.info("already running");
return true;
}
File f = new File(_daemonScript);
OperatingSystem.instance().setWorkingDir(f.getParent());
String txt = _utils.osCommand(_daemonScript + " start", 45000);
if (_logger != null)
_logger.info(txt);
return isRunning();
}
public boolean stop()
{
if (_logger != null)
_logger.info(_utils.osCommand(_daemonScript + " stop", 45000));
return !isRunning();
}
public boolean startProcess()
{
if (isRunning())
{
_logger.info("already running");
return true;
}
/*
* org.rzo.yajsw.os.Process p =
* OperatingSystem.instance().processManagerInstance().createProcess();
* p.setCommand(cleanCmd(_execCmd)); p.setVisible(false);
* p.setPipeStreams(false, false);
* p.setDebug(_config.getBoolean("wrapper.debug", false)); p.start();
*/
try
{
if (_logger != null)
_logger.info("calling " + toStrCommand(_execCmd));
Runtime.getRuntime().exec(cleanCmd(_execCmd));
}
catch (Exception e)
{
if (_logger != null)
_logger.throwing(this.getClass().getName(), "startProcess", e);
}
return true; // p.isRunning();
}
public boolean stopProcess()
{
int pid = getPid();
if (_logger != null)
_logger.info("stop daemon with pid " + pid);
if (pid <= 0)
return false;
org.rzo.yajsw.os.Process p = OperatingSystem.instance().processManagerInstance().getProcess(pid);
if (p == null)
{
if (_logger != null)
_logger.info("process not running");
return true;
}
p.stop(_stopTimeout, 0);
int apid = getAppPid();
if (_logger != null)
_logger.info("stop daemon app with pid " + apid);
if (apid <= 0)
return false;
org.rzo.yajsw.os.Process ap = OperatingSystem.instance().processManagerInstance().getProcess(apid);
if (ap != null)
ap.kill(999);
return true;
}
public boolean uninstall()
{
if (isRunning())
stop();
new File(_daemonScript).delete();
for (String link : _ksLinks)
new File(link).delete();
return true;
}
public int state()
{
int result = 0;
if (new File(_daemonScript).exists())
result |= STATE_INSTALLED;
if (isRunning())
result |= STATE_RUNNING;
return result;
}
public int getPid()
{
_logger.info("wrapper pid file: " + _wrapperPidFile);
if (_wrapperPidFile != null && new File(_wrapperPidFile).exists())
try
{
BufferedReader reader = new BufferedReader(new FileReader(_wrapperPidFile));
String pid = reader.readLine();
reader.close();
return Integer.parseInt(pid);
}
catch (Exception e)
{
if (_logger != null)
_logger.throwing(this.getClass().getName(), "getPid", e);
}
return -1;
}
public int getAppPid()
{
_logger.info("app pid file: " + _appPidFile);
if (_appPidFile != null && new File(_appPidFile).exists())
try
{
BufferedReader reader = new BufferedReader(new FileReader(_appPidFile));
String pid = reader.readLine();
reader.close();
return Integer.parseInt(pid);
}
catch (Exception e)
{
if (_logger != null)
_logger.throwing(this.getClass().getName(), "getAppPid", e);
}
return -1;
}
public String[] cleanCmd(String[] cmd)
{
List<String> cmdl = new ArrayList<String>();
for (String s : cmd)
{
if (s != null && !"".equals(s))
cmdl.add(s);
}
String[] result = new String[cmdl.size()];
int i = 0;
for (String s : cmdl)
result[i++] = s;
return result;
}
}