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How to use waitForProcessStarted method of com.paypal.selion.grid.AbstractBaseProcessLauncher class

Best SeLion code snippet using com.paypal.selion.grid.AbstractBaseProcessLauncher.waitForProcessStarted

Source:AbstractBaseProcessLauncher.java

...93        }94        public void reset() {95            starting = true;96        }97        private void waitForProcessStarted() {98            while (starting) {99                try {100                    Thread.sleep(50);101                } catch (InterruptedException e) {102                    throw new WebDriverException(e);103                }104            }105        }106        private void waitForTerminationAfterDestroy(int duration, TimeUnit unit) {107            long end = System.currentTimeMillis() + unit.toMillis(duration);108            while (isRunning() && System.currentTimeMillis() < end) {109                try {110                    Thread.sleep(50);111                } catch (InterruptedException e) {112                    throw new WebDriverException(e);113                }114            }115        }116        public void destroyProcessForcefully() {117            try {118                Process awaitFor = this.process.destroyForcibly();119                awaitFor.waitFor(10, SECONDS);120            } catch (InterruptedException e) {121                Thread.interrupted();122                throw new RuntimeException(e);123            }124        }125    }126    Thread shutDownHook = new Thread() {127        @Override128        public void run() {129            shutdown();130        }131    };132    /**133     * @return the command line to invoke as a {@link CommandLine}134     */135    CommandLine getCommandLine() {136        return cmdLine;137    }138    /**139     * Set the command line to invoke140     *141     * @param commandLine142     *            a {@link CommandLine} to invoke143     */144    void setCommandLine(CommandLine commandLine) {145        this.cmdLine = commandLine;146    }147    /**148     * Init with the supplied {@code args} and a default {@link ProcessLauncherConfiguration}. All {@code args} take149     * precedence over any other values.150     *151     * @param args152     *            The program arguments to use. Can be a mix of SeLion and selenium arguments.153     */154    void init(String[] args) {155        init(args, null);156    }157    /**158     * Init with the supplied dash {@code args} and the supplied {@link ProcessLauncherOptions}. All {@code args} take159     * precedence over the {@code options} and/or other values.160     *161     * @param args162     *            The program arguments to use. Can be a mix of SeLion and selenium arguments.163     * @param options164     *            {@link ProcessLauncherOptions} to consider165     */166    void init(String[] args, ProcessLauncherOptions options) {167        ProcessLauncherConfiguration plc = new ProcessLauncherConfiguration();168        plc.merge(options);169        JCommander commander = new JCommander();170        commander.setAcceptUnknownOptions(true);171        commander.addObject(plc);172        try {173            commander.parse(args);174            // we need to consider the selionConfig file when the caller is providing175            // a non-default selionConfig file location176            if (plc.getSeLionConfig() != SELION_CONFIG_FILE) {177                // reload the config from the file178                plc = ProcessLauncherConfiguration.loadFromFile(plc.getSeLionConfig());179                // re-merge the options180                plc.merge(options);181                // re-parse the args182                commander = new JCommander();183                commander.setAcceptUnknownOptions(true);184                commander.addObject(plc);185                commander.parse(args);186            }187        } catch (ParameterException | IOException e) {188            LOGGER.log(Level.SEVERE, e.getMessage(), e);189            System.exit(1);190        }191        setLauncherOptions(plc);192        // save off all the command line that were provided.193        List<String> commands = new LinkedList<>(Arrays.asList(args));194        setCommands(commands);195        // setup the SeLion config196        ConfigParser.setConfigFile(plc.getSeLionConfig());197        InstallHelper.firstTimeSetup();198    }199    /**200     * This method spawns a jar, and waits for it to exit [either cleanly or forcibly]201     *202     * @param interval203     *            How often should the application check if the command is still running or if it exit.204     * @throws IOException205     * @throws InterruptedException206     */207    final void continuouslyRestart(long interval) throws IOException, InterruptedException {208        LOGGER.entering(interval);209        while (true) {210            if (!isInitialized()) {211                FileDownloader.checkForDownloads(getType(), getLauncherOptions()212                        .isFileDownloadCheckTimeStampOnInvocation(), getLauncherOptions()213                        .isFileDownloadCleanupOnInvocation());214            }215            startProcess(false);216            while (!handler.hasResult()) {217                LOGGER.fine("Child process still running. Going back to sleep.");218                Thread.sleep(interval);219            }220            if (handler.hasResult()) {221                ExecuteException e = handler.getException();222                if (e != null) {223                    LOGGER.log(Level.SEVERE, handler.getException().getMessage(), handler.getException());224                }225            }226            LOGGER.info("Child process quit. Restarting it.");227            setInitialized(false);228        }229    }230    /**231     * Start a process based on the commands provided.232     *233     * @param squelch234     *            Whether to show command executed as a logger.info message235     * @throws IOException236     */237    void startProcess(boolean squelch) throws IOException {238        LOGGER.entering(squelch);239        if (!squelch) {240            LOGGER.fine("Executing command " + cmdLine.toString());241        }242        watchdog.reset();243        DefaultExecutor executor = new DefaultExecutor();244        executor.setWatchdog(watchdog);245        executor.setStreamHandler(new PumpStreamHandler());246        executor.setProcessDestroyer(new ShutdownHookProcessDestroyer());247        handler = new DefaultExecuteResultHandler();248        executor.execute(cmdLine, handler);249        LOGGER.exiting();250    }251    public void run() {252        try {253            if (!isInitialized()) {254                addJVMShutDownHook();255                FileDownloader.checkForDownloads(getType(), getLauncherOptions()256                        .isFileDownloadCheckTimeStampOnInvocation(), getLauncherOptions()257                        .isFileDownloadCleanupOnInvocation());258                setInitialized(true);259            }260            if (getCommands().contains("-help") || getCommands().contains("--help") || getCommands().contains("-h")) {261                startProcess(true);262                handler.waitFor();263                if (handler.getExitValue() == 0) {264                    printUsageInfo();265                }266                return;267            }268            if (getCommands().contains("-version")) {269                getLauncherOptions().setContinuouslyRestart(false);270            }271            if (getLauncherOptions().isContinuouslyRestart()) {272                long interval = getLauncherOptions().getRestartCycle();273                LOGGER.fine("Restart cycle will check every " + interval + " ms");274                continuouslyRestart(interval);275            }276            // non-continuous process.277            startProcess(false);278            handler.waitFor();279        } catch (InterruptedException | IOException e) {280            // log the exception and exit, if shutdown was not called281            if (!shutdownCalled) {282                LOGGER.log(Level.SEVERE, e.getMessage(), e);283                System.exit(1);284            }285        }286    }287    abstract void printUsageInfo();288    /**289     * Shuts down the instance represented by this launcher. Uses the {@link ProcessHandlerFactory} to find sub290     * processes.291     */292    public void shutdown() {293        shutdownCalled = true;294        if (isRunning()) {295            watchdog.waitForProcessStarted();296            watchdog.destroyProcess();297            watchdog.waitForTerminationAfterDestroy(2, SECONDS);298            if (isRunning()) {299                watchdog.destroyProcessForcefully();300                watchdog.waitForTerminationAfterDestroy(1, SECONDS);301                if (isRunning()) {302                    LOGGER.severe(String.format("Unable to kill process with PID %s", watchdog.getProcessId()));303                }304            }305        }306        // if shutdown() was called by something other than the shutdown hook, we don't need the shutdown hook anymore307        try {308            if (shutDownHook != null) {309                Runtime.getRuntime().removeShutdownHook(shutDownHook);...

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