/**
* Hook method called by the super-class if the server enters unexpected state. This method
* destroys the server process and changes state to disabled.
*/
protected void handleUnexpectedState(Boolean stateChanged) {
if (mProcess != null) {
try {
mProcess.exitValue();
// the process has already exitted, try to restart it
changeState(STATE_START_DEPENDENCIES);
} catch (IllegalThreadStateException itse) {
// the process is still running, so kill it
mProcess.destroy();
}
} else {
setDisabled(true);
changeState(STATE_DISABLED);
}
}
/**
* Exec the server process, notify mProcessWaitForThread (so that it will notice when the process
* dies) and enable the heartbeat thread.
*/
protected void startExecution() {
customStartup();
if (mGeneration > 0 && mIsJavaServer) {
try {
prepare();
} catch (Exception ex) {
mLogger.severe("Improper configuration for server", ex);
synchronized (this) {
mDisabled = true;
changeState(STATE_DISABLED);
}
return;
}
}
try {
String runSeparator =
"-------------------- Generation " + (mGeneration + 1) + " --------------------";
mLogger.finest(runSeparator);
mLogger.finest(LogUtil.splitLine(mPrintableCommand));
mProcess = Runtime.getRuntime().exec(mPrintableCommand);
new GetPidThread("server." + getName() + ".getpid").start();
mExecTime = System.currentTimeMillis();
mGeneration++;
updateServerStatus();
mLogger.finer("Spawned process");
if (isNativeLoggingUsed()) {
mStderr.setStream(mProcess.getErrorStream());
mStdout.setStream(mProcess.getInputStream());
}
// Wake up the thread that waits for a process to die
synchronized (mProcessWaitForThread) {
mProcessWaitForThread.notifyAll();
}
} catch (IOException ioe) {
mLogger.severe("Failure in starting server; Generation : mGeneration", ioe);
synchronized (this) {
mDisabled = true;
changeState(STATE_DISABLED);
}
}
}
/** Stop this server hard. Destroy the server process. */
protected void stopServerHard() {
if (mProcess != null) {
String propertyName = getPropertyPrefix() + ".shutdown.cmd";
String shutdownCmd = DCPLib.getProperty(propertyName, null);
if (shutdownCmd != null) {
mLogger.finer(propertyName + " " + shutdownCmd);
ExecuteShutdownCmdThread script = new ExecuteShutdownCmdThread(shutdownCmd);
script.start();
}
mLogger.finer("Destroying server process using destory()");
mProcess.destroy();
mLogger.finer("Destroyed server process");
mProcess = null;
mPid = 0;
}
}
