@Override
public void getInfo(PrintWriter pw) {
pw.append(" CellDomainName = ").println(getCellDomainName());
pw.format(
" I/O rcv=%d;asw=%d;frw=%d;rpy=%d;exc=%d\n",
_packetsReceived, _packetsAnswered, _packetsForwarded, _packetsReplied, _exceptionCounter);
long fm = _runtime.freeMemory();
long tm = _runtime.totalMemory();
pw.format(" Memory : tot=%d;free=%d;used=%d\n", tm, fm, tm - fm);
pw.println(" Cells (Threads)");
for (String name : _nucleus.getCellNames()) {
pw.append(" ").append(name).append("(");
Thread[] threads = _nucleus.getThreads(name);
if (threads != null) {
boolean first = true;
for (Thread thread : threads) {
pw.print(thread.getName());
if (first) {
first = false;
} else {
pw.print(",");
}
}
}
pw.println(")");
}
}
private void shutdownSystem() {
List<String> names = _nucleus.getCellNames();
List<String> nonSystem = new ArrayList<>(names.size());
List<String> system = new ArrayList<>(names.size());
for (String name : names) {
CellInfo info = _nucleus.getCellInfo(name);
if (info == null) {
continue;
}
String cellName = info.getCellName();
if (cellName.equals("System")) {
// Don't kill the system cell
} else if (info.getCellType().equals("System")) {
system.add(cellName);
} else {
nonSystem.add(cellName);
}
}
_log.info("Will try to shutdown non-system cells {}", nonSystem);
shutdownCells(nonSystem, 3000);
_log.info("Will try to shutdown remaining cells {}", system);
shutdownCells(system, 5000);
}
@Override
protected void startUp() {
_cellShell.addCommandListener(this);
_cellShell.addCommandListener(new LogbackShell());
_cellShell.addCommandListener(new FilterShell(_nucleus.getLoggingThresholds()));
_cellShell.addCommandListener(_cellShell.new HelpCommands());
useInterpreter(false);
_runtime.addShutdownHook(new TheKiller());
}
/**
* Shuts down named cells. The method will block until the cells are dead or until a timeout has
* occurred.
*
* @param cells List of names of cells to kill.
* @param timeout Time in milliseconds to wait for a cell to die.
*/
private void shutdownCells(List<String> cells, long timeout) {
for (String cellName : cells) {
try {
_nucleus.kill(cellName);
} catch (IllegalArgumentException e) {
_log.info("Problem killing : {} -> {}", cellName, e.getMessage());
}
}
for (String cellName : cells) {
try {
if (_nucleus.join(cellName, timeout)) {
_log.info("Killed {}", cellName);
} else {
_log.warn("Timeout waiting for {}", cellName);
_nucleus.listThreadGroupOf(cellName);
break;
}
} catch (InterruptedException e) {
_log.warn("Problem killing : {} -> {}", cellName, e.getMessage());
break;
}
}
}
public int enableInterrupts(String handlerName) {
Class<? extends DomainInterruptHandler> handlerClass;
try {
handlerClass = Class.forName(handlerName).asSubclass(DomainInterruptHandler.class);
} catch (ClassNotFoundException cnfe) {
_log.warn("Couldn't install interrupt handler (" + handlerName + ") : " + cnfe);
return -1;
}
try {
_interruptHandler = handlerClass.newInstance();
} catch (Exception ee) {
_log.warn("Couldn't install interrupt handler (" + handlerName + ") : " + ee);
return -2;
}
_interruptThread = _nucleus.newThread(this);
_interruptThread.start();
return 0;
}
public HsmControlOsm(String name, String args) throws Exception {
super(name, args, false);
_nucleus = getNucleus();
_args = getArgs();
try {
if (_args.argc() < 1) {
throw new IllegalArgumentException("Usage : ... <database>");
}
_database = new File(_args.argv(0));
if (!_database.isDirectory()) {
throw new IllegalArgumentException("Not a directory : " + _database);
}
} catch (Exception e) {
start();
kill();
throw e;
}
useInterpreter(true);
_nucleus.newThread(this, "queueWatch").start();
start();
export();
}
/**
* Setup the cell diagnostic context of the calling thread. Threads created from the calling
* thread automatically inherit this information. The old diagnostic context is captured and
* returned.
*/
public static CDC reset(CellNucleus cell) {
return reset(cell.getCellName(), cell.getCellDomainName());
}
public CellNucleus(Cell cell, String name, String type) {
setPinboard(new Pinboard(PINBOARD_DEFAULT_SIZE));
if (__cellGlue == null) {
//
// the cell gluon hasn't yet been created
// (we insist in creating a SystemCell first.)
//
if (cell instanceof SystemCell) {
__cellGlue = new CellGlue(name);
_cellName = "System";
_cellType = "System";
__cellGlue.setSystemNucleus(this);
} else {
throw new IllegalArgumentException("System must be first Cell");
}
} else {
//
// we don't accept more then one System.cells
//
if (cell instanceof SystemCell) {
throw new IllegalArgumentException("System already exists");
} else {
String cellName = name.replace('@', '+');
if ((cellName == null) || (cellName.equals(""))) {
cellName = "*";
}
if (cellName.charAt(cellName.length() - 1) == '*') {
if (cellName.length() == 1) {
cellName = "$-" + getUnique();
} else {
cellName = cellName.substring(0, cellName.length() - 1) + "-" + getUnique();
}
}
_cellName = cellName;
_cellType = type;
}
}
_cell = cell;
_cellClass = _cell.getClass().getName();
/* Instantiate management component for log filtering.
*/
CellNucleus parentNucleus = CellNucleus.getLogTargetForCell(MDC.get(CDC.MDC_CELL));
FilterThresholds parentThresholds =
(parentNucleus.isSystemNucleus() || parentNucleus == this)
? RootFilterThresholds.getInstance()
: parentNucleus.getLoggingThresholds();
setLoggingThresholds(new FilterThresholds(parentThresholds));
//
// for the use in restricted sandboxes
//
try {
_threads = new ThreadGroup(__cellGlue.getMasterThreadGroup(), _cellName + "-threads");
} catch (SecurityException se) {
_threads = null;
}
_callbackExecutor =
new ThreadPoolExecutor(
1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), this);
_messageExecutor =
new ThreadPoolExecutor(
1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), this);
_state = ACTIVE;
//
// make ourself known to the world
//
__cellGlue.addCell(_cellName, this);
LOGGER.info("Created {}", name);
}
@Override
protected void started() {
_nucleus.newThread(_queueWatch, "queueWatch").start();
}