public EventExecutorImpl() { /** 初始化执行器线程池 */ System.out.println("init Thread Pool for " + Runtime.getRuntime().availableProcessors()); this.executorService = Executors.newFixedThreadPool( Runtime.getRuntime().availableProcessors(), new EventThreadFactory(EventUtil.EventContainerName)); // this.executorService = Executors.newCachedThreadPool(); }
/** * An abstraction for a Scheduler functionality - which can later be replaced by a light-weight * Thread */ final class Timer { private static final ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(Math.min(Runtime.getRuntime().availableProcessors(), 2)); private Timer() {} /** @param runFrequency implemented only for TimeUnit granularity - Seconds */ public static void schedule(Runnable runnable, Duration runFrequency, TimerType timerType) { switch (timerType) { case OneTimeRun: long seconds = runFrequency.getSeconds(); if (seconds > 0) executor.schedule(runnable, seconds, TimeUnit.SECONDS); else executor.schedule(runnable, runFrequency.toMillis(), TimeUnit.MILLISECONDS); break; case RepeatRun: executor.scheduleWithFixedDelay( runnable, runFrequency.getSeconds(), runFrequency.getSeconds(), TimeUnit.SECONDS); break; default: throw new UnsupportedOperationException("Unsupported timer pattern."); } } }
private ExecutorService createCustomExecutorService(int poolSize, final String method) { int coreSize = Runtime.getRuntime().availableProcessors(); if (poolSize < coreSize) { coreSize = poolSize; } ThreadFactory tf = new ThreadFactory() { public Thread newThread(Runnable r) { Thread t = new Thread(r, "thread created at ShardSqlSessionTemplate method [" + method + "]"); t.setDaemon(true); return t; } }; BlockingQueue<Runnable> queueToUse = new LinkedBlockingQueue<Runnable>(); final ThreadPoolExecutor executor = new ThreadPoolExecutor( coreSize, poolSize, 60, TimeUnit.SECONDS, queueToUse, tf, new ThreadPoolExecutor.CallerRunsPolicy()); return executor; }
private ExecutorService createExecutorForSpecificDataSource(ShardDataSourceSpec dataSourceSpec) { final String identity = dataSourceSpec.getIdentity(); final ExecutorService executor = createCustomExecutorService( dataSourceSpec.getPoolSize(), "createExecutorForSpecificDataSource-" + identity + " data source"); // 1. register executor for disposing explicitly internalExecutorServiceRegistry.add(executor); // 2. dispose executor implicitly Runtime.getRuntime() .addShutdownHook( new Thread() { @Override public void run() { if (executor == null) { return; } try { executor.shutdown(); executor.awaitTermination(5, TimeUnit.MINUTES); } catch (InterruptedException e) { logger.warn("interrupted when shuting down the query executor:\n{}", e); } } }); return executor; }
/** * This is called when JPM runs in the background to start jobs * * @throws Exception */ public void daemon() throws Exception { Runtime.getRuntime() .addShutdownHook( new Thread("Daemon shutdown") { public void run() { for (Service service : startedByDaemon) { try { reporter.error("Stopping " + service); service.stop(); reporter.error("Stopped " + service); } catch (Exception e) { // Ignore } } } }); List<ServiceData> services = getServices(); Map<String, ServiceData> map = new HashMap<String, ServiceData>(); for (ServiceData d : services) { map.put(d.name, d); } List<ServiceData> start = new ArrayList<ServiceData>(); Set<ServiceData> set = new HashSet<ServiceData>(); for (ServiceData sd : services) { checkStartup(map, start, sd, set); } if (start.isEmpty()) reporter.warning("No services to start"); for (ServiceData sd : start) { try { Service service = getService(sd.name); reporter.trace("Starting " + service); String result = service.start(); if (result != null) reporter.error("Started error " + result); else startedByDaemon.add(service); reporter.trace("Started " + service); } catch (Exception e) { reporter.error("Cannot start daemon %s, due to %s", sd.name, e); } } while (true) { for (Service sd : startedByDaemon) { try { if (!sd.isRunning()) { reporter.error("Starting due to failure " + sd); String result = sd.start(); if (result != null) reporter.error("Started error " + result); } } catch (Exception e) { reporter.error("Cannot start daemon %s, due to %s", sd, e); } } Thread.sleep(10000); } }
/** * Calls garbage collector and wait. * * @throws Exception if any thread has interrupted the current thread while waiting. */ private void gc() throws Exception { Runtime rt = Runtime.getRuntime(); long freeMem0 = rt.freeMemory(); long freeMem = Long.MAX_VALUE; int cnt = 0; while (freeMem0 < freeMem && cnt < GC_CALL_CNT) { System.gc(); U.sleep(WAIT_TIME); cnt++; freeMem = freeMem0; freeMem0 = rt.freeMemory(); } }
@Test @Ignore public void testCHMAcquirePerf() throws IOException, ClassNotFoundException, IllegalAccessException, InstantiationException, InterruptedException { for (int runs : new int[] {10, 50, 250, 1000, 2500}) { System.out.println("Testing " + runs + " million entries"); final long entries = runs * 1000 * 1000L; final ConcurrentMap<String, AtomicInteger> map = new ConcurrentHashMap<String, AtomicInteger>((int) (entries * 5 / 4), 1.0f, 1024); int procs = Runtime.getRuntime().availableProcessors(); int threads = procs * 2; int count = runs > 500 ? runs > 1200 ? 1 : 2 : 3; final int independence = Math.min(procs, runs > 500 ? 8 : 4); for (int j = 0; j < count; j++) { long start = System.currentTimeMillis(); ExecutorService es = Executors.newFixedThreadPool(procs); for (int i = 0; i < threads; i++) { final int t = i; es.submit( new Runnable() { @Override public void run() { StringBuilder sb = new StringBuilder(); int next = 50 * 1000 * 1000; // use a factor to give up to 10 digit numbers. int factor = Math.max(1, (int) ((10 * 1000 * 1000 * 1000L - 1) / entries)); for (long i = t % independence; i < entries; i += independence) { sb.setLength(0); sb.append("u:"); sb.append(i * factor); String key = sb.toString(); AtomicInteger count = map.get(key); if (count == null) { map.put(key, new AtomicInteger()); count = map.get(key); } count.getAndIncrement(); if (t == 0 && i == next) { System.out.println(i); next += 50 * 1000 * 1000; } } } }); } es.shutdown(); es.awaitTermination(10, TimeUnit.MINUTES); printStatus(); long time = System.currentTimeMillis() - start; System.out.printf("Throughput %.1f M ops/sec%n", threads * entries / 1000.0 / time); } } }
private void checkAndLaunchUpdate() { Log.i(LOG_FILE_NAME, "Checking for an update"); int statusCode = 8; // UNEXPECTED_ERROR File baseUpdateDir = null; if (Build.VERSION.SDK_INT >= 8) baseUpdateDir = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS); else baseUpdateDir = new File(Environment.getExternalStorageDirectory().getPath(), "download"); File updateDir = new File(new File(baseUpdateDir, "updates"), "0"); File updateFile = new File(updateDir, "update.apk"); File statusFile = new File(updateDir, "update.status"); if (!statusFile.exists() || !readUpdateStatus(statusFile).equals("pending")) return; if (!updateFile.exists()) return; Log.i(LOG_FILE_NAME, "Update is available!"); // Launch APK File updateFileToRun = new File(updateDir, getPackageName() + "-update.apk"); try { if (updateFile.renameTo(updateFileToRun)) { String amCmd = "/system/bin/am start -a android.intent.action.VIEW " + "-n com.android.packageinstaller/.PackageInstallerActivity -d file://" + updateFileToRun.getPath(); Log.i(LOG_FILE_NAME, amCmd); Runtime.getRuntime().exec(amCmd); statusCode = 0; // OK } else { Log.i(LOG_FILE_NAME, "Cannot rename the update file!"); statusCode = 7; // WRITE_ERROR } } catch (Exception e) { Log.i(LOG_FILE_NAME, "error launching installer to update", e); } // Update the status file String status = statusCode == 0 ? "succeeded\n" : "failed: " + statusCode + "\n"; OutputStream outStream; try { byte[] buf = status.getBytes("UTF-8"); outStream = new FileOutputStream(statusFile); outStream.write(buf, 0, buf.length); outStream.close(); } catch (Exception e) { Log.i(LOG_FILE_NAME, "error writing status file", e); } if (statusCode == 0) System.exit(0); }
protected void die(ShellBoltException exception) { String processInfo = _process.getProcessInfoString() + _process.getProcessTerminationInfoString(); _exception = new RuntimeException(processInfo, exception); LOG.error("Halting process: ShellBolt died.", _exception); _collector.reportError(_exception); if (_running || (exception.getCause() instanceof Error)) { // don't exit if not running, unless it is an Error Runtime.getRuntime().halt(11); } }
/** * Create a pool with the specified number of threads. * * @param nThreads */ public WorkerPool(int nThreads) { executorService = Executors.newFixedThreadPool(nThreads); Runtime.getRuntime() .addShutdownHook( new Thread() { @Override public void run() { shutdownAndAwaitTermination(10); } }); }
@Test @Ignore public void testAcquirePerf() throws IOException, ClassNotFoundException, IllegalAccessException, InstantiationException, InterruptedException { // int runs = Integer.getInteger("runs", 10); for (int runs : new int[] {10, 50, 250, 1000, 2500}) { final long entries = runs * 1000 * 1000L; final SharedHashMap<CharSequence, LongValue> map = getSharedMap(entries * 4 / 3, 1024, 24); int procs = Runtime.getRuntime().availableProcessors(); int threads = procs * 2; int count = runs > 500 ? runs > 1200 ? 1 : 2 : 3; final int independence = Math.min(procs, runs > 500 ? 8 : 4); for (int j = 0; j < count; j++) { long start = System.currentTimeMillis(); ExecutorService es = Executors.newFixedThreadPool(procs); for (int i = 0; i < threads; i++) { final int t = i; es.submit( new Runnable() { @Override public void run() { LongValue value = nativeLongValue(); StringBuilder sb = new StringBuilder(); int next = 50 * 1000 * 1000; // use a factor to give up to 10 digit numbers. int factor = Math.max(1, (int) ((10 * 1000 * 1000 * 1000L - 1) / entries)); for (long i = t % independence; i < entries; i += independence) { sb.setLength(0); sb.append("u:"); sb.append(i * factor); map.acquireUsing(sb, value); long n = value.addAtomicValue(1); assert n >= 0 && n < 1000 : "Counter corrupted " + n; if (t == 0 && i == next) { System.out.println(i); next += 50 * 1000 * 1000; } } } }); } es.shutdown(); es.awaitTermination(runs / 10 + 1, TimeUnit.MINUTES); long time = System.currentTimeMillis() - start; System.out.printf( "Throughput %.1f M ops/sec%n", threads * entries / independence / 1000.0 / time); } printStatus(); map.close(); } }
public static boolean init() { synchronized (cudaEngines) { System.err.println("---------Initializing Cuda----------------"); try { extractAndLoadNativeLibs(); JCudaDriver.setExceptionsEnabled(true); JCudaDriver.cuInit(0); compileKernelsPtx(); // Obtain the number of devices int deviceCountArray[] = {0}; JCudaDriver.cuDeviceGetCount(deviceCountArray); availableDevicesNb = deviceCountArray[0]; if (availableDevicesNb == 0) return false; availableDevicesNb = NB_OF_DEVICE_TO_USE; // TODO initialization = Executors.newCachedThreadPool(); System.out.println("Found " + availableDevicesNb + " GPU devices"); for (int i = 0 /*-NB_OF_DEVICE_TO_USE*/; i < availableDevicesNb; i++) { final int index = i; Future<?> initJob = initialization.submit( new Runnable() { public void run() { System.err.println("Initializing device n°" + index); cudaEngines.put(index, new CudaEngine(index)); } }); initJob.get(); initialization.shutdown(); } } catch (InterruptedException | ExecutionException | IOException | CudaException | UnsatisfiedLinkError e) { e.printStackTrace(); System.err.println("---------Cannot initialize Cuda !!! ----------------"); return false; } Runtime.getRuntime() .addShutdownHook( new Thread() { @Override public void run() { CudaEngine.stop(); } }); System.out.println("---------Cuda Initialized----------------"); return true; } }
private static void build(Iterable<String> in) throws IOException, InterruptedException { final List<String> args = newArrayList(in); Collections.sort(args); final int threads = Runtime.getRuntime().availableProcessors(); final ExecutorService ex = Executors.newFixedThreadPool(threads); final String base = "base"; new WithVm("base").createIfNotPresent(); for (String pkg : args) ex.submit( () -> { final WithVm newVm = new WithVm("fbuild-" + pkg, TimeUnit.MINUTES.toMillis(30)); final File rbuild = new File("wip-" + pkg + ".rbuild"); try { newVm.cloneFrom(base); newVm.start(); newVm.inTee(rbuild, "apt-get", "-oAPT::Get::Only-Source=true", "source", pkg); newVm.inTee(rbuild, "apt-get", "build-dep", "-y", "--force-yes", pkg); newVm.inTee(rbuild, "ifdown", "eth0"); final boolean success = 0 == newVm.inTee( rbuild, "sh", "-c", "cd " + pkg + "-* && dpkg-buildpackage -us -uc"); newVm.stopNow(); if (success) { rbuild.renameTo(new File("success-" + pkg + ".rbuild")); newVm.destroy(); System.out.println("success: " + pkg); } else { rbuild.renameTo(new File("failure-" + pkg + ".rbuild")); System.out.println("failure: " + pkg); } } catch (Exception e) { rbuild.renameTo(new File("error-" + pkg + ".rbuild")); System.err.println("build error: " + pkg); e.printStackTrace(); newVm.stopNow(); } return null; }); ex.shutdown(); ex.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS); }
public static void main(final String[] args) throws Exception { final int length = (1 << 14); final ICircularLongsBuffer buffer = new UnsafeCircularLongsBuffer(length); final File file = new File("output.log"); log.info("File " + file); file.delete(); // file.deleteOnExit(); final FastLoggerImpl logger = new FastLoggerImpl( new ThreadFactory() { @Override public Thread newThread(final Runnable r) { return new Thread(r); } }, buffer, WaitingStrategy.SPINNING, new RawFileWriter(file)); logger.startDraining(); final int workers = Runtime.getRuntime().availableProcessors() - 1; final ExecutorService workersPool = Executors.newFixedThreadPool(workers); for (int i = 0; i < workers; i++) { workersPool.submit( new Runnable() { @Override public void run() { try { for (int i = 0; i < 100000000; i++) { logger.log("Message %f -- %d ").with(25.98 + i).with(100 - i).submit(); } } catch (Exception e) { log.error("Error", e); } } }); } workersPool.shutdown(); workersPool.awaitTermination(1000, TimeUnit.SECONDS); log.info("Finished"); System.exit(1); }
/** * Create a pool with the specified number of threads. * * @param nThreads */ public WorkerPool(int nThreads) { LOGGER.debug("initializing worker pool with %d threads", nThreads); executorService = LOGGER.isDebugEnabled() ? new MetricReportingExecutorService(LOGGER, nThreads) : Executors.newFixedThreadPool(nThreads); Runtime.getRuntime() .addShutdownHook( new Thread() { @Override public void run() { shutdownAndAwaitTermination(10); } }); }
final class CarRace implements Runnable { private final Logger log = LogManager.getLogger(this.getClass().getName()); private final int numberOfCars = Runtime.getRuntime().availableProcessors(); private final BlockingQueue<Car> fleet; private final int trackLength; private final ExecutorService pool; private final Random random; private CyclicBarrier barrier; public CarRace() { fleet = new LinkedBlockingQueue<Car>(numberOfCars); trackLength = 20000; pool = Executors.newFixedThreadPool(numberOfCars); random = new Random(); } public int getTrackLength() { return this.trackLength; } public CyclicBarrier getBarrier() { return this.barrier; } public BlockingQueue<Car> getFleet() { return this.fleet; } public void start() throws InterruptedException { barrier = new CyclicBarrier(numberOfCars, this); for (int i = 0; i < numberOfCars; i++) { pool.execute(new Car("Car" + i, 100 + random.nextInt(100), this)); } pool.awaitTermination(300, TimeUnit.MILLISECONDS); } public void report() { this.log.info("fleet: " + Ordering.natural().immutableSortedCopy(fleet)); } @Override public void run() { report(); } }
public DLDFSolver( int[] s, int[] learning_startfactors, boolean singleThreaded, boolean useBacktracking) { log_info("Heuristic weights: %s", Arrays.deepToString(choicefactors)); log_info("Reported number of processors: %d", Runtime.getRuntime().availableProcessors()); nThreads = (singleThreaded || THREAD_COUNT == 1) ? 1 : THREAD_COUNT; log_info("No. of threads to be used: %d\n", nThreads); this.useBacktracking = useBacktracking; log_info("Use backtracking?: %s", useBacktracking ? "Yes" : "No"); this.tileSequence = new int[s.length]; System.arraycopy(s, 0, this.tileSequence, 0, s.length); if (learning_startfactors != null) { if (learning_startfactors.length != learning_starts.length) { throw new IllegalArgumentException("Invalid learning factor size"); } System.arraycopy(learning_startfactors, 0, learning_starts, 0, learning_starts.length); } }
/** * Checks if address can be reached using one argument InetAddress.isReachable() version or ping * command if failed. * * @param addr Address to check. * @param reachTimeout Timeout for the check. * @return {@code True} if address is reachable. */ public static boolean reachableByPing(InetAddress addr, int reachTimeout) { try { if (addr.isReachable(reachTimeout)) return true; String cmd = String.format("ping -%s 1 %s", U.isWindows() ? "n" : "c", addr.getHostAddress()); Process myProc = Runtime.getRuntime().exec(cmd); myProc.waitFor(); return myProc.exitValue() == 0; } catch (IOException ignore) { return false; } catch (InterruptedException ignored) { Thread.currentThread().interrupt(); return false; } }
static { int nt = Runtime.getRuntime().availableProcessors(); nt = nt <= 1 ? 1 : nt > 4 ? 4 : nt; THREAD_COUNT = nt; }
/** * A FullPrunedBlockChain works in conjunction with a {@link FullPrunedBlockStore} to verify all the * rules of the Bitcoin system, with the downside being a larg cost in system resources. Fully * verifying means all unspent transaction outputs are stored. Once a transaction output is spent * and that spend is buried deep enough, the data related to it is deleted to ensure disk space * usage doesn't grow forever. For this reason a pruning node cannot serve the full block chain to * other clients, but it nevertheless provides the same security guarantees as a regular Satoshi * client does. */ public class FullPrunedBlockChain extends AbstractBlockChain { private static final Logger log = LoggerFactory.getLogger(FullPrunedBlockChain.class); /** Keeps a map of block hashes to StoredBlocks. */ protected final FullPrunedBlockStore blockStore; // Whether or not to execute scriptPubKeys before accepting a transaction (i.e. check signatures). private boolean runScripts = true; /** * Constructs a BlockChain connected to the given wallet and store. To obtain a {@link Wallet} you * can construct one from scratch, or you can deserialize a saved wallet from disk using {@link * Wallet#loadFromFile(java.io.File)} */ public FullPrunedBlockChain( NetworkParameters params, Wallet wallet, FullPrunedBlockStore blockStore) throws BlockStoreException { this(params, new ArrayList<BlockChainListener>(), blockStore); if (wallet != null) addWallet(wallet); } /** * Constructs a BlockChain that has no wallet at all. This is helpful when you don't actually care * about sending and receiving coins but rather, just want to explore the network data structures. */ public FullPrunedBlockChain(NetworkParameters params, FullPrunedBlockStore blockStore) throws BlockStoreException { this(params, new ArrayList<BlockChainListener>(), blockStore); } /** Constructs a BlockChain connected to the given list of wallets and a store. */ public FullPrunedBlockChain( NetworkParameters params, List<BlockChainListener> listeners, FullPrunedBlockStore blockStore) throws BlockStoreException { super(params, listeners, blockStore); this.blockStore = blockStore; // Ignore upgrading for now this.chainHead = blockStore.getVerifiedChainHead(); } @Override protected StoredBlock addToBlockStore( StoredBlock storedPrev, Block header, TransactionOutputChanges txOutChanges) throws BlockStoreException, VerificationException { StoredBlock newBlock = storedPrev.build(header); blockStore.put(newBlock, new StoredUndoableBlock(newBlock.getHeader().getHash(), txOutChanges)); return newBlock; } @Override protected StoredBlock addToBlockStore(StoredBlock storedPrev, Block block) throws BlockStoreException, VerificationException { StoredBlock newBlock = storedPrev.build(block); blockStore.put( newBlock, new StoredUndoableBlock(newBlock.getHeader().getHash(), block.transactions)); return newBlock; } @Override protected void rollbackBlockStore(int height) throws BlockStoreException { throw new BlockStoreException("Unsupported"); } @Override protected boolean shouldVerifyTransactions() { return true; } /** * Whether or not to run scripts whilst accepting blocks (i.e. checking signatures, for most * transactions). If you're accepting data from an untrusted node, such as one found via the P2P * network, this should be set to true (which is the default). If you're downloading a chain from * a node you control, script execution is redundant because you know the connected node won't * relay bad data to you. In that case it's safe to set this to false and obtain a significant * speedup. */ public void setRunScripts(boolean value) { this.runScripts = value; } // TODO: Remove lots of duplicated code in the two connectTransactions // TODO: execute in order of largest transaction (by input count) first ExecutorService scriptVerificationExecutor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()); /** A job submitted to the executor which verifies signatures. */ private static class Verifier implements Callable<VerificationException> { final Transaction tx; final List<Script> prevOutScripts; final boolean enforcePayToScriptHash; public Verifier( final Transaction tx, final List<Script> prevOutScripts, final boolean enforcePayToScriptHash) { this.tx = tx; this.prevOutScripts = prevOutScripts; this.enforcePayToScriptHash = enforcePayToScriptHash; } @Nullable @Override public VerificationException call() throws Exception { try { ListIterator<Script> prevOutIt = prevOutScripts.listIterator(); for (int index = 0; index < tx.getInputs().size(); index++) { tx.getInputs() .get(index) .getScriptSig() .correctlySpends(tx, index, prevOutIt.next(), enforcePayToScriptHash); } } catch (VerificationException e) { return e; } return null; } } @Override protected TransactionOutputChanges connectTransactions(int height, Block block) throws VerificationException, BlockStoreException { checkState(lock.isHeldByCurrentThread()); if (block.transactions == null) throw new RuntimeException( "connectTransactions called with Block that didn't have transactions!"); if (!params.passesCheckpoint(height, block.getHash())) throw new VerificationException("Block failed checkpoint lockin at " + height); blockStore.beginDatabaseBatchWrite(); LinkedList<StoredTransactionOutput> txOutsSpent = new LinkedList<StoredTransactionOutput>(); LinkedList<StoredTransactionOutput> txOutsCreated = new LinkedList<StoredTransactionOutput>(); long sigOps = 0; final boolean enforcePayToScriptHash = block.getTimeSeconds() >= NetworkParameters.BIP16_ENFORCE_TIME; if (scriptVerificationExecutor.isShutdown()) scriptVerificationExecutor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()); List<Future<VerificationException>> listScriptVerificationResults = new ArrayList<Future<VerificationException>>(block.transactions.size()); try { if (!params.isCheckpoint(height)) { // BIP30 violator blocks are ones that contain a duplicated transaction. They are all in the // checkpoints list and we therefore only check non-checkpoints for duplicated transactions // here. See the // BIP30 document for more details on this: // https://github.com/bitcoin/bips/blob/master/bip-0030.mediawiki for (Transaction tx : block.transactions) { Sha256Hash hash = tx.getHash(); // If we already have unspent outputs for this hash, we saw the tx already. Either the // block is // being added twice (bug) or the block is a BIP30 violator. if (blockStore.hasUnspentOutputs(hash, tx.getOutputs().size())) throw new VerificationException("Block failed BIP30 test!"); if (enforcePayToScriptHash) // We already check non-BIP16 sigops in // Block.verifyTransactions(true) sigOps += tx.getSigOpCount(); } } Coin totalFees = Coin.ZERO; Coin coinbaseValue = null; for (final Transaction tx : block.transactions) { boolean isCoinBase = tx.isCoinBase(); Coin valueIn = Coin.ZERO; Coin valueOut = Coin.ZERO; final List<Script> prevOutScripts = new LinkedList<Script>(); if (!isCoinBase) { // For each input of the transaction remove the corresponding output from the set of // unspent // outputs. for (int index = 0; index < tx.getInputs().size(); index++) { TransactionInput in = tx.getInputs().get(index); StoredTransactionOutput prevOut = blockStore.getTransactionOutput( in.getOutpoint().getHash(), in.getOutpoint().getIndex()); if (prevOut == null) throw new VerificationException( "Attempted to spend a non-existent or already spent output!"); // Coinbases can't be spent until they mature, to avoid re-orgs destroying entire // transaction // chains. The assumption is there will ~never be re-orgs deeper than the spendable // coinbase // chain depth. if (height - prevOut.getHeight() < params.getSpendableCoinbaseDepth()) throw new VerificationException( "Tried to spend coinbase at depth " + (height - prevOut.getHeight())); // TODO: Check we're not spending the genesis transaction here. Satoshis code won't // allow it. valueIn = valueIn.add(prevOut.getValue()); if (enforcePayToScriptHash) { if (new Script(prevOut.getScriptBytes()).isPayToScriptHash()) sigOps += Script.getP2SHSigOpCount(in.getScriptBytes()); if (sigOps > Block.MAX_BLOCK_SIGOPS) throw new VerificationException("Too many P2SH SigOps in block"); } prevOutScripts.add(new Script(prevOut.getScriptBytes())); // in.getScriptSig().correctlySpends(tx, index, new Script(params, // prevOut.getScriptBytes(), 0, prevOut.getScriptBytes().length)); blockStore.removeUnspentTransactionOutput(prevOut); txOutsSpent.add(prevOut); } } Sha256Hash hash = tx.getHash(); for (TransactionOutput out : tx.getOutputs()) { valueOut = valueOut.add(out.getValue()); // For each output, add it to the set of unspent outputs so it can be consumed in future. StoredTransactionOutput newOut = new StoredTransactionOutput( hash, out.getIndex(), out.getValue(), height, isCoinBase, out.getScriptBytes()); blockStore.addUnspentTransactionOutput(newOut); txOutsCreated.add(newOut); } // All values were already checked for being non-negative (as it is verified in // Transaction.verify()) // but we check again here just for defence in depth. Transactions with zero output value // are OK. if (valueOut.signum() < 0 || valueOut.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction output value out of range"); if (isCoinBase) { coinbaseValue = valueOut; } else { if (valueIn.compareTo(valueOut) < 0 || valueIn.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction input value out of range"); totalFees = totalFees.add(valueIn.subtract(valueOut)); } if (!isCoinBase && runScripts) { // Because correctlySpends modifies transactions, this must come after we are done with tx FutureTask<VerificationException> future = new FutureTask<VerificationException>( new Verifier(tx, prevOutScripts, enforcePayToScriptHash)); scriptVerificationExecutor.execute(future); listScriptVerificationResults.add(future); } } if (totalFees.compareTo(NetworkParameters.MAX_MONEY) > 0 || block.getBlockInflation(height).add(totalFees).compareTo(coinbaseValue) < 0) throw new VerificationException("Transaction fees out of range"); for (Future<VerificationException> future : listScriptVerificationResults) { VerificationException e; try { e = future.get(); } catch (InterruptedException thrownE) { throw new RuntimeException(thrownE); // Shouldn't happen } catch (ExecutionException thrownE) { log.error("Script.correctlySpends threw a non-normal exception: " + thrownE.getCause()); throw new VerificationException( "Bug in Script.correctlySpends, likely script malformed in some new and interesting way.", thrownE); } if (e != null) throw e; } } catch (VerificationException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } catch (BlockStoreException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } return new TransactionOutputChanges(txOutsCreated, txOutsSpent); } @Override /** Used during reorgs to connect a block previously on a fork */ protected synchronized TransactionOutputChanges connectTransactions(StoredBlock newBlock) throws VerificationException, BlockStoreException, PrunedException { checkState(lock.isHeldByCurrentThread()); if (!params.passesCheckpoint(newBlock.getHeight(), newBlock.getHeader().getHash())) throw new VerificationException("Block failed checkpoint lockin at " + newBlock.getHeight()); blockStore.beginDatabaseBatchWrite(); StoredUndoableBlock block = blockStore.getUndoBlock(newBlock.getHeader().getHash()); if (block == null) { // We're trying to re-org too deep and the data needed has been deleted. blockStore.abortDatabaseBatchWrite(); throw new PrunedException(newBlock.getHeader().getHash()); } TransactionOutputChanges txOutChanges; try { List<Transaction> transactions = block.getTransactions(); if (transactions != null) { LinkedList<StoredTransactionOutput> txOutsSpent = new LinkedList<StoredTransactionOutput>(); LinkedList<StoredTransactionOutput> txOutsCreated = new LinkedList<StoredTransactionOutput>(); long sigOps = 0; final boolean enforcePayToScriptHash = newBlock.getHeader().getTimeSeconds() >= NetworkParameters.BIP16_ENFORCE_TIME; if (!params.isCheckpoint(newBlock.getHeight())) { for (Transaction tx : transactions) { Sha256Hash hash = tx.getHash(); if (blockStore.hasUnspentOutputs(hash, tx.getOutputs().size())) throw new VerificationException("Block failed BIP30 test!"); } } Coin totalFees = Coin.ZERO; Coin coinbaseValue = null; if (scriptVerificationExecutor.isShutdown()) scriptVerificationExecutor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()); List<Future<VerificationException>> listScriptVerificationResults = new ArrayList<Future<VerificationException>>(transactions.size()); for (final Transaction tx : transactions) { boolean isCoinBase = tx.isCoinBase(); Coin valueIn = Coin.ZERO; Coin valueOut = Coin.ZERO; final List<Script> prevOutScripts = new LinkedList<Script>(); if (!isCoinBase) { for (int index = 0; index < tx.getInputs().size(); index++) { final TransactionInput in = tx.getInputs().get(index); final StoredTransactionOutput prevOut = blockStore.getTransactionOutput( in.getOutpoint().getHash(), in.getOutpoint().getIndex()); if (prevOut == null) throw new VerificationException( "Attempted spend of a non-existent or already spent output!"); if (newBlock.getHeight() - prevOut.getHeight() < params.getSpendableCoinbaseDepth()) throw new VerificationException( "Tried to spend coinbase at depth " + (newBlock.getHeight() - prevOut.getHeight())); valueIn = valueIn.add(prevOut.getValue()); if (enforcePayToScriptHash) { Script script = new Script(prevOut.getScriptBytes()); if (script.isPayToScriptHash()) sigOps += Script.getP2SHSigOpCount(in.getScriptBytes()); if (sigOps > Block.MAX_BLOCK_SIGOPS) throw new VerificationException("Too many P2SH SigOps in block"); } prevOutScripts.add(new Script(prevOut.getScriptBytes())); blockStore.removeUnspentTransactionOutput(prevOut); txOutsSpent.add(prevOut); } } Sha256Hash hash = tx.getHash(); for (TransactionOutput out : tx.getOutputs()) { valueOut = valueOut.add(out.getValue()); StoredTransactionOutput newOut = new StoredTransactionOutput( hash, out.getIndex(), out.getValue(), newBlock.getHeight(), isCoinBase, out.getScriptBytes()); blockStore.addUnspentTransactionOutput(newOut); txOutsCreated.add(newOut); } // All values were already checked for being non-negative (as it is verified in // Transaction.verify()) // but we check again here just for defence in depth. Transactions with zero output value // are OK. if (valueOut.signum() < 0 || valueOut.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction output value out of range"); if (isCoinBase) { coinbaseValue = valueOut; } else { if (valueIn.compareTo(valueOut) < 0 || valueIn.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction input value out of range"); totalFees = totalFees.add(valueIn.subtract(valueOut)); } if (!isCoinBase) { // Because correctlySpends modifies transactions, this must come after we are done with // tx FutureTask<VerificationException> future = new FutureTask<VerificationException>( new Verifier(tx, prevOutScripts, enforcePayToScriptHash)); scriptVerificationExecutor.execute(future); listScriptVerificationResults.add(future); } } if (totalFees.compareTo(NetworkParameters.MAX_MONEY) > 0 || newBlock .getHeader() .getBlockInflation(newBlock.getHeight()) .add(totalFees) .compareTo(coinbaseValue) < 0) throw new VerificationException("Transaction fees out of range"); txOutChanges = new TransactionOutputChanges(txOutsCreated, txOutsSpent); for (Future<VerificationException> future : listScriptVerificationResults) { VerificationException e; try { e = future.get(); } catch (InterruptedException thrownE) { throw new RuntimeException(thrownE); // Shouldn't happen } catch (ExecutionException thrownE) { log.error("Script.correctlySpends threw a non-normal exception: " + thrownE.getCause()); throw new VerificationException( "Bug in Script.correctlySpends, likely script malformed in some new and interesting way.", thrownE); } if (e != null) throw e; } } else { txOutChanges = block.getTxOutChanges(); if (!params.isCheckpoint(newBlock.getHeight())) for (StoredTransactionOutput out : txOutChanges.txOutsCreated) { Sha256Hash hash = out.getHash(); if (blockStore.getTransactionOutput(hash, out.getIndex()) != null) throw new VerificationException("Block failed BIP30 test!"); } for (StoredTransactionOutput out : txOutChanges.txOutsCreated) blockStore.addUnspentTransactionOutput(out); for (StoredTransactionOutput out : txOutChanges.txOutsSpent) blockStore.removeUnspentTransactionOutput(out); } } catch (VerificationException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } catch (BlockStoreException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } return txOutChanges; } /** * This is broken for blocks that do not pass BIP30, so all BIP30-failing blocks which are allowed * to fail BIP30 must be checkpointed. */ @Override protected void disconnectTransactions(StoredBlock oldBlock) throws PrunedException, BlockStoreException { checkState(lock.isHeldByCurrentThread()); blockStore.beginDatabaseBatchWrite(); try { StoredUndoableBlock undoBlock = blockStore.getUndoBlock(oldBlock.getHeader().getHash()); if (undoBlock == null) throw new PrunedException(oldBlock.getHeader().getHash()); TransactionOutputChanges txOutChanges = undoBlock.getTxOutChanges(); for (StoredTransactionOutput out : txOutChanges.txOutsSpent) blockStore.addUnspentTransactionOutput(out); for (StoredTransactionOutput out : txOutChanges.txOutsCreated) blockStore.removeUnspentTransactionOutput(out); } catch (PrunedException e) { blockStore.abortDatabaseBatchWrite(); throw e; } catch (BlockStoreException e) { blockStore.abortDatabaseBatchWrite(); throw e; } } @Override protected void doSetChainHead(StoredBlock chainHead) throws BlockStoreException { checkState(lock.isHeldByCurrentThread()); blockStore.setVerifiedChainHead(chainHead); blockStore.commitDatabaseBatchWrite(); } @Override protected void notSettingChainHead() throws BlockStoreException { blockStore.abortDatabaseBatchWrite(); } @Override protected StoredBlock getStoredBlockInCurrentScope(Sha256Hash hash) throws BlockStoreException { checkState(lock.isHeldByCurrentThread()); return blockStore.getOnceUndoableStoredBlock(hash); } }
@Override /** Used during reorgs to connect a block previously on a fork */ protected synchronized TransactionOutputChanges connectTransactions(StoredBlock newBlock) throws VerificationException, BlockStoreException, PrunedException { checkState(lock.isHeldByCurrentThread()); if (!params.passesCheckpoint(newBlock.getHeight(), newBlock.getHeader().getHash())) throw new VerificationException("Block failed checkpoint lockin at " + newBlock.getHeight()); blockStore.beginDatabaseBatchWrite(); StoredUndoableBlock block = blockStore.getUndoBlock(newBlock.getHeader().getHash()); if (block == null) { // We're trying to re-org too deep and the data needed has been deleted. blockStore.abortDatabaseBatchWrite(); throw new PrunedException(newBlock.getHeader().getHash()); } TransactionOutputChanges txOutChanges; try { List<Transaction> transactions = block.getTransactions(); if (transactions != null) { LinkedList<StoredTransactionOutput> txOutsSpent = new LinkedList<StoredTransactionOutput>(); LinkedList<StoredTransactionOutput> txOutsCreated = new LinkedList<StoredTransactionOutput>(); long sigOps = 0; final boolean enforcePayToScriptHash = newBlock.getHeader().getTimeSeconds() >= NetworkParameters.BIP16_ENFORCE_TIME; if (!params.isCheckpoint(newBlock.getHeight())) { for (Transaction tx : transactions) { Sha256Hash hash = tx.getHash(); if (blockStore.hasUnspentOutputs(hash, tx.getOutputs().size())) throw new VerificationException("Block failed BIP30 test!"); } } Coin totalFees = Coin.ZERO; Coin coinbaseValue = null; if (scriptVerificationExecutor.isShutdown()) scriptVerificationExecutor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()); List<Future<VerificationException>> listScriptVerificationResults = new ArrayList<Future<VerificationException>>(transactions.size()); for (final Transaction tx : transactions) { boolean isCoinBase = tx.isCoinBase(); Coin valueIn = Coin.ZERO; Coin valueOut = Coin.ZERO; final List<Script> prevOutScripts = new LinkedList<Script>(); if (!isCoinBase) { for (int index = 0; index < tx.getInputs().size(); index++) { final TransactionInput in = tx.getInputs().get(index); final StoredTransactionOutput prevOut = blockStore.getTransactionOutput( in.getOutpoint().getHash(), in.getOutpoint().getIndex()); if (prevOut == null) throw new VerificationException( "Attempted spend of a non-existent or already spent output!"); if (newBlock.getHeight() - prevOut.getHeight() < params.getSpendableCoinbaseDepth()) throw new VerificationException( "Tried to spend coinbase at depth " + (newBlock.getHeight() - prevOut.getHeight())); valueIn = valueIn.add(prevOut.getValue()); if (enforcePayToScriptHash) { Script script = new Script(prevOut.getScriptBytes()); if (script.isPayToScriptHash()) sigOps += Script.getP2SHSigOpCount(in.getScriptBytes()); if (sigOps > Block.MAX_BLOCK_SIGOPS) throw new VerificationException("Too many P2SH SigOps in block"); } prevOutScripts.add(new Script(prevOut.getScriptBytes())); blockStore.removeUnspentTransactionOutput(prevOut); txOutsSpent.add(prevOut); } } Sha256Hash hash = tx.getHash(); for (TransactionOutput out : tx.getOutputs()) { valueOut = valueOut.add(out.getValue()); StoredTransactionOutput newOut = new StoredTransactionOutput( hash, out.getIndex(), out.getValue(), newBlock.getHeight(), isCoinBase, out.getScriptBytes()); blockStore.addUnspentTransactionOutput(newOut); txOutsCreated.add(newOut); } // All values were already checked for being non-negative (as it is verified in // Transaction.verify()) // but we check again here just for defence in depth. Transactions with zero output value // are OK. if (valueOut.signum() < 0 || valueOut.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction output value out of range"); if (isCoinBase) { coinbaseValue = valueOut; } else { if (valueIn.compareTo(valueOut) < 0 || valueIn.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction input value out of range"); totalFees = totalFees.add(valueIn.subtract(valueOut)); } if (!isCoinBase) { // Because correctlySpends modifies transactions, this must come after we are done with // tx FutureTask<VerificationException> future = new FutureTask<VerificationException>( new Verifier(tx, prevOutScripts, enforcePayToScriptHash)); scriptVerificationExecutor.execute(future); listScriptVerificationResults.add(future); } } if (totalFees.compareTo(NetworkParameters.MAX_MONEY) > 0 || newBlock .getHeader() .getBlockInflation(newBlock.getHeight()) .add(totalFees) .compareTo(coinbaseValue) < 0) throw new VerificationException("Transaction fees out of range"); txOutChanges = new TransactionOutputChanges(txOutsCreated, txOutsSpent); for (Future<VerificationException> future : listScriptVerificationResults) { VerificationException e; try { e = future.get(); } catch (InterruptedException thrownE) { throw new RuntimeException(thrownE); // Shouldn't happen } catch (ExecutionException thrownE) { log.error("Script.correctlySpends threw a non-normal exception: " + thrownE.getCause()); throw new VerificationException( "Bug in Script.correctlySpends, likely script malformed in some new and interesting way.", thrownE); } if (e != null) throw e; } } else { txOutChanges = block.getTxOutChanges(); if (!params.isCheckpoint(newBlock.getHeight())) for (StoredTransactionOutput out : txOutChanges.txOutsCreated) { Sha256Hash hash = out.getHash(); if (blockStore.getTransactionOutput(hash, out.getIndex()) != null) throw new VerificationException("Block failed BIP30 test!"); } for (StoredTransactionOutput out : txOutChanges.txOutsCreated) blockStore.addUnspentTransactionOutput(out); for (StoredTransactionOutput out : txOutChanges.txOutsSpent) blockStore.removeUnspentTransactionOutput(out); } } catch (VerificationException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } catch (BlockStoreException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } return txOutChanges; }
@Override protected TransactionOutputChanges connectTransactions(int height, Block block) throws VerificationException, BlockStoreException { checkState(lock.isHeldByCurrentThread()); if (block.transactions == null) throw new RuntimeException( "connectTransactions called with Block that didn't have transactions!"); if (!params.passesCheckpoint(height, block.getHash())) throw new VerificationException("Block failed checkpoint lockin at " + height); blockStore.beginDatabaseBatchWrite(); LinkedList<StoredTransactionOutput> txOutsSpent = new LinkedList<StoredTransactionOutput>(); LinkedList<StoredTransactionOutput> txOutsCreated = new LinkedList<StoredTransactionOutput>(); long sigOps = 0; final boolean enforcePayToScriptHash = block.getTimeSeconds() >= NetworkParameters.BIP16_ENFORCE_TIME; if (scriptVerificationExecutor.isShutdown()) scriptVerificationExecutor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()); List<Future<VerificationException>> listScriptVerificationResults = new ArrayList<Future<VerificationException>>(block.transactions.size()); try { if (!params.isCheckpoint(height)) { // BIP30 violator blocks are ones that contain a duplicated transaction. They are all in the // checkpoints list and we therefore only check non-checkpoints for duplicated transactions // here. See the // BIP30 document for more details on this: // https://github.com/bitcoin/bips/blob/master/bip-0030.mediawiki for (Transaction tx : block.transactions) { Sha256Hash hash = tx.getHash(); // If we already have unspent outputs for this hash, we saw the tx already. Either the // block is // being added twice (bug) or the block is a BIP30 violator. if (blockStore.hasUnspentOutputs(hash, tx.getOutputs().size())) throw new VerificationException("Block failed BIP30 test!"); if (enforcePayToScriptHash) // We already check non-BIP16 sigops in // Block.verifyTransactions(true) sigOps += tx.getSigOpCount(); } } Coin totalFees = Coin.ZERO; Coin coinbaseValue = null; for (final Transaction tx : block.transactions) { boolean isCoinBase = tx.isCoinBase(); Coin valueIn = Coin.ZERO; Coin valueOut = Coin.ZERO; final List<Script> prevOutScripts = new LinkedList<Script>(); if (!isCoinBase) { // For each input of the transaction remove the corresponding output from the set of // unspent // outputs. for (int index = 0; index < tx.getInputs().size(); index++) { TransactionInput in = tx.getInputs().get(index); StoredTransactionOutput prevOut = blockStore.getTransactionOutput( in.getOutpoint().getHash(), in.getOutpoint().getIndex()); if (prevOut == null) throw new VerificationException( "Attempted to spend a non-existent or already spent output!"); // Coinbases can't be spent until they mature, to avoid re-orgs destroying entire // transaction // chains. The assumption is there will ~never be re-orgs deeper than the spendable // coinbase // chain depth. if (height - prevOut.getHeight() < params.getSpendableCoinbaseDepth()) throw new VerificationException( "Tried to spend coinbase at depth " + (height - prevOut.getHeight())); // TODO: Check we're not spending the genesis transaction here. Satoshis code won't // allow it. valueIn = valueIn.add(prevOut.getValue()); if (enforcePayToScriptHash) { if (new Script(prevOut.getScriptBytes()).isPayToScriptHash()) sigOps += Script.getP2SHSigOpCount(in.getScriptBytes()); if (sigOps > Block.MAX_BLOCK_SIGOPS) throw new VerificationException("Too many P2SH SigOps in block"); } prevOutScripts.add(new Script(prevOut.getScriptBytes())); // in.getScriptSig().correctlySpends(tx, index, new Script(params, // prevOut.getScriptBytes(), 0, prevOut.getScriptBytes().length)); blockStore.removeUnspentTransactionOutput(prevOut); txOutsSpent.add(prevOut); } } Sha256Hash hash = tx.getHash(); for (TransactionOutput out : tx.getOutputs()) { valueOut = valueOut.add(out.getValue()); // For each output, add it to the set of unspent outputs so it can be consumed in future. StoredTransactionOutput newOut = new StoredTransactionOutput( hash, out.getIndex(), out.getValue(), height, isCoinBase, out.getScriptBytes()); blockStore.addUnspentTransactionOutput(newOut); txOutsCreated.add(newOut); } // All values were already checked for being non-negative (as it is verified in // Transaction.verify()) // but we check again here just for defence in depth. Transactions with zero output value // are OK. if (valueOut.signum() < 0 || valueOut.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction output value out of range"); if (isCoinBase) { coinbaseValue = valueOut; } else { if (valueIn.compareTo(valueOut) < 0 || valueIn.compareTo(NetworkParameters.MAX_MONEY) > 0) throw new VerificationException("Transaction input value out of range"); totalFees = totalFees.add(valueIn.subtract(valueOut)); } if (!isCoinBase && runScripts) { // Because correctlySpends modifies transactions, this must come after we are done with tx FutureTask<VerificationException> future = new FutureTask<VerificationException>( new Verifier(tx, prevOutScripts, enforcePayToScriptHash)); scriptVerificationExecutor.execute(future); listScriptVerificationResults.add(future); } } if (totalFees.compareTo(NetworkParameters.MAX_MONEY) > 0 || block.getBlockInflation(height).add(totalFees).compareTo(coinbaseValue) < 0) throw new VerificationException("Transaction fees out of range"); for (Future<VerificationException> future : listScriptVerificationResults) { VerificationException e; try { e = future.get(); } catch (InterruptedException thrownE) { throw new RuntimeException(thrownE); // Shouldn't happen } catch (ExecutionException thrownE) { log.error("Script.correctlySpends threw a non-normal exception: " + thrownE.getCause()); throw new VerificationException( "Bug in Script.correctlySpends, likely script malformed in some new and interesting way.", thrownE); } if (e != null) throw e; } } catch (VerificationException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } catch (BlockStoreException e) { scriptVerificationExecutor.shutdownNow(); blockStore.abortDatabaseBatchWrite(); throw e; } return new TransactionOutputChanges(txOutsCreated, txOutsSpent); }
/** * Creates default implementation of {@link MemoryCache} - {@link LruMemoryCache}<br> * Default cache size = 1/8 of available app memory. */ public static MemoryCache createMemoryCache(int memoryCacheSize) { if (memoryCacheSize == 0) { memoryCacheSize = (int) (Runtime.getRuntime().maxMemory() / 8); } return new LruMemoryCache(memoryCacheSize); }
protected void handleCommand(String command) { if (command.contains("__")) { namespace = command.split("__")[0]; command = command.substring(command.indexOf("__") + 2); } if (echo) { if (Thread.currentThread().getName().toLowerCase().indexOf("main") < 0) println(" [" + Thread.currentThread().getName() + "] " + command); else println(command); } if (command == null || command.startsWith("//")) return; command = command.trim(); if (command == null || command.length() == 0) { return; } String first = command; int spaceIndex = command.indexOf(' '); String[] argsSplit = command.split(" "); String[] args = new String[argsSplit.length]; for (int i = 0; i < argsSplit.length; i++) { args[i] = argsSplit[i].trim(); } if (spaceIndex != -1) { first = args[0]; } if (command.startsWith("help")) { handleHelp(command); } else if (first.startsWith("#") && first.length() > 1) { int repeat = Integer.parseInt(first.substring(1)); long t0 = Clock.currentTimeMillis(); for (int i = 0; i < repeat; i++) { handleCommand(command.substring(first.length()).replaceAll("\\$i", "" + i)); } println("ops/s = " + repeat * 1000 / (Clock.currentTimeMillis() - t0)); return; } else if (first.startsWith("&") && first.length() > 1) { final int fork = Integer.parseInt(first.substring(1)); ExecutorService pool = Executors.newFixedThreadPool(fork); final String threadCommand = command.substring(first.length()); for (int i = 0; i < fork; i++) { final int threadID = i; pool.submit( new Runnable() { public void run() { String command = threadCommand; String[] threadArgs = command.replaceAll("\\$t", "" + threadID).trim().split(" "); // TODO &t #4 m.putmany x k if ("m.putmany".equals(threadArgs[0]) || "m.removemany".equals(threadArgs[0])) { if (threadArgs.length < 4) { command += " " + Integer.parseInt(threadArgs[1]) * threadID; } } handleCommand(command); } }); } pool.shutdown(); try { pool.awaitTermination(60 * 60, TimeUnit.SECONDS); // wait 1h } catch (Exception e) { e.printStackTrace(); } } else if (first.startsWith("@")) { if (first.length() == 1) { println("usage: @<file-name>"); return; } File f = new File(first.substring(1)); println("Executing script file " + f.getAbsolutePath()); if (f.exists()) { try { BufferedReader br = new BufferedReader(new FileReader(f)); String l = br.readLine(); while (l != null) { handleCommand(l); l = br.readLine(); } br.close(); } catch (IOException e) { e.printStackTrace(); } } else { println("File not found! " + f.getAbsolutePath()); } } else if (command.indexOf(';') != -1) { StringTokenizer st = new StringTokenizer(command, ";"); while (st.hasMoreTokens()) { handleCommand(st.nextToken()); } return; } else if ("silent".equals(first)) { silent = Boolean.parseBoolean(args[1]); } else if ("shutdown".equals(first)) { hazelcast.getLifecycleService().shutdown(); } else if ("echo".equals(first)) { echo = Boolean.parseBoolean(args[1]); println("echo: " + echo); } else if ("ns".equals(first)) { if (args.length > 1) { namespace = args[1]; println("namespace: " + namespace); // init(); } } else if ("whoami".equals(first)) { println(hazelcast.getCluster().getLocalMember()); } else if ("who".equals(first)) { println(hazelcast.getCluster()); } else if ("jvm".equals(first)) { System.gc(); println("Memory max: " + Runtime.getRuntime().maxMemory() / 1024 / 1024 + "M"); println( "Memory free: " + Runtime.getRuntime().freeMemory() / 1024 / 1024 + "M " + (int) (Runtime.getRuntime().freeMemory() * 100 / Runtime.getRuntime().maxMemory()) + "%"); long total = Runtime.getRuntime().totalMemory(); long free = Runtime.getRuntime().freeMemory(); println("Used Memory:" + ((total - free) / 1024 / 1024) + "MB"); println("# procs: " + Runtime.getRuntime().availableProcessors()); println( "OS info: " + ManagementFactory.getOperatingSystemMXBean().getArch() + " " + ManagementFactory.getOperatingSystemMXBean().getName() + " " + ManagementFactory.getOperatingSystemMXBean().getVersion()); println( "JVM: " + ManagementFactory.getRuntimeMXBean().getVmVendor() + " " + ManagementFactory.getRuntimeMXBean().getVmName() + " " + ManagementFactory.getRuntimeMXBean().getVmVersion()); } else if (first.indexOf("ock") != -1 && first.indexOf(".") == -1) { handleLock(args); } else if (first.indexOf(".size") != -1) { handleSize(args); } else if (first.indexOf(".clear") != -1) { handleClear(args); } else if (first.indexOf(".destroy") != -1) { handleDestroy(args); } else if (first.indexOf(".iterator") != -1) { handleIterator(args); } else if (first.indexOf(".contains") != -1) { handleContains(args); } else if (first.indexOf(".stats") != -1) { handStats(args); } else if ("t.publish".equals(first)) { handleTopicPublish(args); } else if ("q.offer".equals(first)) { handleQOffer(args); } else if ("q.take".equals(first)) { handleQTake(args); } else if ("q.poll".equals(first)) { handleQPoll(args); } else if ("q.peek".equals(first)) { handleQPeek(args); } else if ("q.capacity".equals(first)) { handleQCapacity(args); } else if ("q.offermany".equals(first)) { handleQOfferMany(args); } else if ("q.pollmany".equals(first)) { handleQPollMany(args); } else if ("s.add".equals(first)) { handleSetAdd(args); } else if ("s.remove".equals(first)) { handleSetRemove(args); } else if ("s.addmany".equals(first)) { handleSetAddMany(args); } else if ("s.removemany".equals(first)) { handleSetRemoveMany(args); } else if (first.equals("m.replace")) { handleMapReplace(args); } else if (first.equalsIgnoreCase("m.putIfAbsent")) { handleMapPutIfAbsent(args); } else if (first.equals("m.putAsync")) { handleMapPutAsync(args); } else if (first.equals("m.getAsync")) { handleMapGetAsync(args); } else if (first.equals("m.put")) { handleMapPut(args); } else if (first.equals("m.get")) { handleMapGet(args); } else if (first.equalsIgnoreCase("m.getMapEntry")) { handleMapGetMapEntry(args); } else if (first.equals("m.remove")) { handleMapRemove(args); } else if (first.equals("m.evict")) { handleMapEvict(args); } else if (first.equals("m.putmany") || first.equalsIgnoreCase("m.putAll")) { handleMapPutMany(args); } else if (first.equals("m.getmany")) { handleMapGetMany(args); } else if (first.equals("m.removemany")) { handleMapRemoveMany(args); } else if (command.equalsIgnoreCase("m.localKeys")) { handleMapLocalKeys(); } else if (command.equals("m.keys")) { handleMapKeys(); } else if (command.equals("m.values")) { handleMapValues(); } else if (command.equals("m.entries")) { handleMapEntries(); } else if (first.equals("m.lock")) { handleMapLock(args); } else if (first.equalsIgnoreCase("m.tryLock")) { handleMapTryLock(args); } else if (first.equals("m.unlock")) { handleMapUnlock(args); } else if (first.indexOf(".addListener") != -1) { handleAddListener(args); } else if (first.equals("m.removeMapListener")) { handleRemoveListener(args); } else if (first.equals("m.unlock")) { handleMapUnlock(args); } else if (first.equals("l.add")) { handleListAdd(args); } else if (first.equals("l.set")) { handleListSet(args); } else if ("l.addmany".equals(first)) { handleListAddMany(args); } else if (first.equals("l.remove")) { handleListRemove(args); } else if (first.equals("l.contains")) { handleListContains(args); } else if ("a.get".equals(first)) { handleAtomicNumberGet(args); } else if ("a.set".equals(first)) { handleAtomicNumberSet(args); } else if ("a.inc".equals(first)) { handleAtomicNumberInc(args); } else if ("a.dec".equals(first)) { handleAtomicNumberDec(args); // } else if (first.equals("execute")) { // execute(args); } else if (first.equals("partitions")) { handlePartitions(args); // } else if (first.equals("txn")) { // hazelcast.getTransaction().begin(); // } else if (first.equals("commit")) { // hazelcast.getTransaction().commit(); // } else if (first.equals("rollback")) { // hazelcast.getTransaction().rollback(); // } else if (first.equalsIgnoreCase("executeOnKey")) { // executeOnKey(args); // } else if (first.equalsIgnoreCase("executeOnMember")) { // executeOnMember(args); // } else if (first.equalsIgnoreCase("executeOnMembers")) { // executeOnMembers(args); // } else if (first.equalsIgnoreCase("longOther") || // first.equalsIgnoreCase("executeLongOther")) { // executeLongTaskOnOtherMember(args); // } else if (first.equalsIgnoreCase("long") || first.equalsIgnoreCase("executeLong")) // { // executeLong(args); } else if (first.equalsIgnoreCase("instances")) { handleInstances(args); } else if (first.equalsIgnoreCase("quit") || first.equalsIgnoreCase("exit")) { System.exit(0); } else { println("type 'help' for help"); } }
/** * Create a thread group to share among multiple fat pipes * * @param poolSize the number of threads to create. Less then zero will use all the available * cores-1. There will be at least 1 thread used * @param listener in case an exception is thrown while executing one of the Fat Pipes */ public Pool(int poolSize, String name, ExceptionListener listener) { if (poolSize < 0) poolSize = Runtime.getRuntime().availableProcessors() - 1; poolSize = Math.max(poolSize, 1); producer = new ParentProducer(poolSize, listener); parent = new PooledFatPipe<>(producer, poolSize, null, name); }
/** * Reads conll sentences, parses them, and writes the json-serialized results. * * @param inputSupplier where to read conll sentences from * @param outputSupplier where to write the results to * @param numThreads the number of threads to use * @throws IOException * @throws InterruptedException */ public void runParser( final InputSupplier<? extends Readable> inputSupplier, final OutputSupplier<? extends Writer> outputSupplier, final int numThreads) throws IOException, InterruptedException { // use the producer-worker-consumer pattern to parse all sentences in multiple threads, while // keeping // output in order. final BlockingQueue<Future<Optional<SemaforParseResult>>> results = Queues.newLinkedBlockingDeque(5 * numThreads); final ExecutorService workerThreadPool = newFixedThreadPool(numThreads); // try to shutdown gracefully. don't worry too much if it doesn't work Runtime.getRuntime() .addShutdownHook( new Thread( new Runnable() { @Override public void run() { try { workerThreadPool.shutdown(); workerThreadPool.awaitTermination(5, TimeUnit.SECONDS); } catch (InterruptedException ignored) { } } })); final PrintWriter output = new PrintWriter(outputSupplier.getOutput()); try { // Start thread to fetch computed results and write to file final Thread consumer = new Thread( new Runnable() { @Override public void run() { while (!Thread.currentThread().isInterrupted()) { try { final Optional<SemaforParseResult> oResult = results.take().get(); if (!oResult.isPresent()) break; // got poison pill. we're done output.println(oResult.get().toJson()); output.flush(); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException(e); } } } }); consumer.start(); // in main thread, put placeholders on results queue (so results stay in order), then // tell a worker thread to fill up the placeholder final SentenceCodec.SentenceIterator sentences = ConllCodec.readInput(inputSupplier.getInput()); try { int i = 0; while (sentences.hasNext()) { final Sentence sentence = sentences.next(); final int sentenceId = i; results.put( workerThreadPool.submit( new Callable<Optional<SemaforParseResult>>() { @Override public Optional<SemaforParseResult> call() throws Exception { final long start = System.currentTimeMillis(); try { final SemaforParseResult result = parseSentence(sentence); final long end = System.currentTimeMillis(); System.err.printf( "parsed sentence %d in %d millis.%n", sentenceId, end - start); return Optional.of(result); } catch (Exception e) { e.printStackTrace(); throw e; } } })); i++; } // put a poison pill on the queue to signal that we're done results.put( workerThreadPool.submit( new Callable<Optional<SemaforParseResult>>() { @Override public Optional<SemaforParseResult> call() throws Exception { return Optional.absent(); } })); workerThreadPool.shutdown(); } finally { closeQuietly(sentences); } // wait for consumer to finish consumer.join(); } finally { closeQuietly(output); } System.err.println("Done."); }
/** * e * * @author <a href="http://tfox.org">Tim Fox</a> */ public class DefaultVertx extends VertxInternal { private static final Logger log = LoggerFactory.getLogger(DefaultVertx.class); private final FileSystem fileSystem = getFileSystem(); private final EventBus eventBus; private final SharedData sharedData = new SharedData(); private ThreadPoolExecutor backgroundPool = VertxExecutorFactory.workerPool("vert.x-worker-thread-"); private OrderedExecutorFactory orderedFact = new OrderedExecutorFactory(backgroundPool); private int corePoolSize = Runtime.getRuntime().availableProcessors(); private NioWorkerPool corePool = new NioWorkerPool(VertxExecutorFactory.eventPool("vert.x-core-thread-"), corePoolSize); private ThreadPoolExecutor acceptorPool = VertxExecutorFactory.acceptorPool("vert.x-acceptor-thread-"); private Map<ServerID, DefaultHttpServer> sharedHttpServers = new HashMap<>(); private Map<ServerID, DefaultNetServer> sharedNetServers = new HashMap<>(); private final ThreadLocal<Context> contextTL = new ThreadLocal<>(); // For now we use a hashed wheel with it's own thread for timeouts - ideally the event loop would // have // it's own hashed wheel private HashedWheelTimer timer = new HashedWheelTimer( new VertxThreadFactory("vert.x-timer-thread"), 1, TimeUnit.MILLISECONDS, 8192); { timer.start(); } private final AtomicLong timeoutCounter = new AtomicLong(0); private final Map<Long, TimeoutHolder> timeouts = new ConcurrentHashMap<>(); public DefaultVertx() { this.eventBus = new DefaultEventBus(this); } public DefaultVertx(String hostname) { this.eventBus = new DefaultEventBus(this, hostname); } public DefaultVertx(int port, String hostname) { this.eventBus = new DefaultEventBus(this, port, hostname); } /** @return The FileSystem implementation for the OS */ protected FileSystem getFileSystem() { return Windows.isWindows() ? new WindowsFileSystem(this) : new DefaultFileSystem(this); } public Timer getTimer() { return timer; } public NetServer createNetServer() { return new DefaultNetServer(this); } public NetClient createNetClient() { return new DefaultNetClient(this); } public FileSystem fileSystem() { return fileSystem; } public SharedData sharedData() { return sharedData; } public HttpServer createHttpServer() { return new DefaultHttpServer(this); } public HttpClient createHttpClient() { return new DefaultHttpClient(this); } public SockJSServer createSockJSServer(HttpServer httpServer) { return new DefaultSockJSServer(this, httpServer); } public EventBus eventBus() { return eventBus; } public Context startOnEventLoop(final Runnable runnable) { Context context = createEventLoopContext(); context.execute(runnable); return context; } public Context startInBackground(final Runnable runnable) { Context context = createWorkerContext(); context.execute(runnable); return context; } public boolean isEventLoop() { Context context = getContext(); if (context != null) { return context instanceof EventLoopContext; } return false; } public boolean isWorker() { Context context = getContext(); if (context != null) { return context instanceof WorkerContext; } return false; } public long setPeriodic(long delay, final Handler<Long> handler) { return setTimeout(delay, true, handler); } public long setTimer(long delay, final Handler<Long> handler) { return setTimeout(delay, false, handler); } public void runOnLoop(final Handler<Void> handler) { Context context = getOrAssignContext(); context.execute( new Runnable() { public void run() { handler.handle(null); } }); } // The background pool is used for making blocking calls to legacy synchronous APIs public ExecutorService getBackgroundPool() { return backgroundPool; } public NioWorkerPool getCorePool() { return corePool; } // We use a cached pool, but it will never get large since only used for acceptors. // There will be one thread for each port listening on public Executor getAcceptorPool() { return acceptorPool; } public Context getOrAssignContext() { Context ctx = getContext(); if (ctx == null) { // Assign a context ctx = createEventLoopContext(); } return ctx; } public void reportException(Throwable t) { Context ctx = getContext(); if (ctx != null) { ctx.reportException(t); } else { log.error(" default vertx Unhandled exception ", t); } } public Map<ServerID, DefaultHttpServer> sharedHttpServers() { return sharedHttpServers; } public Map<ServerID, DefaultNetServer> sharedNetServers() { return sharedNetServers; } private long setTimeout(final long delay, boolean periodic, final Handler<Long> handler) { final Context context = getOrAssignContext(); InternalTimerHandler myHandler; if (periodic) { myHandler = new InternalTimerHandler(handler) { public void run() { super.run(); scheduleTimeout(timerID, context, this, delay); // And reschedule } }; } else { myHandler = new InternalTimerHandler(handler) { public void run() { super.run(); timeouts.remove(timerID); } }; } long timerID = scheduleTimeout(-1, context, myHandler, delay); myHandler.timerID = timerID; return timerID; } public boolean cancelTimer(long id) { return cancelTimeout(id); } public Context createEventLoopContext() { getBackgroundPool(); NioWorker worker = getCorePool().nextWorker(); return new EventLoopContext(this, orderedFact.getExecutor(), worker); } private boolean cancelTimeout(long id) { TimeoutHolder holder = timeouts.remove(id); if (holder != null) { holder.timeout.cancel(); return true; } else { return false; } } private long scheduleTimeout(long id, final Context context, final Runnable task, long delay) { TimerTask ttask = new TimerTask() { public void run(Timeout timeout) throws Exception { context.execute(task); } }; if (id != -1 && timeouts.get(id) == null) { // Been cancelled return -1; } Timeout timeout = timer.newTimeout(ttask, delay, TimeUnit.MILLISECONDS); id = id != -1 ? id : timeoutCounter.getAndIncrement(); timeouts.put(id, new TimeoutHolder(timeout)); return id; } private Context createWorkerContext() { getBackgroundPool(); return new WorkerContext(this, orderedFact.getExecutor()); } public void setContext(Context context) { contextTL.set(context); if (context != null) { context.setTCCL(); } } public Context getContext() { return contextTL.get(); } @Override public void stop() { if (sharedHttpServers != null) { for (HttpServer server : sharedHttpServers.values()) { server.close(); } sharedHttpServers = null; } if (sharedNetServers != null) { for (NetServer server : sharedNetServers.values()) { server.close(); } sharedNetServers = null; } if (timer != null) { timer.stop(); timer = null; } if (eventBus != null) { eventBus.close(null); } if (backgroundPool != null) { backgroundPool.shutdown(); } if (acceptorPool != null) { acceptorPool.shutdown(); } try { if (backgroundPool != null) { backgroundPool.awaitTermination(20, TimeUnit.SECONDS); backgroundPool = null; } } catch (InterruptedException ex) { // ignore } try { if (acceptorPool != null) { acceptorPool.awaitTermination(20, TimeUnit.SECONDS); acceptorPool = null; } } catch (InterruptedException ex) { // ignore } // log.info("Release external resources from worker pool"); if (corePool != null) { corePool.releaseExternalResources(); corePool = null; } // log.info("Release external resources: done"); setContext(null); } private static class InternalTimerHandler implements Runnable { final Handler<Long> handler; long timerID; InternalTimerHandler(Handler<Long> runnable) { this.handler = runnable; } public void run() { handler.handle(timerID); } } private static class TimeoutHolder { final Timeout timeout; TimeoutHolder(Timeout timeout) { this.timeout = timeout; } } }
/* * Solves for times by processing samples in the active list in parallel. */ private void solveParallelX( final ActiveList al, final float[][][] t, final int m, final float[][][] times, final int[][][] marks) { int nthread = Runtime.getRuntime().availableProcessors(); ExecutorService es = Executors.newFixedThreadPool(nthread); CompletionService<Void> cs = new ExecutorCompletionService<Void>(es); ActiveList[] bl = new ActiveList[nthread]; float[][] d = new float[nthread][]; for (int ithread = 0; ithread < nthread; ++ithread) { bl[ithread] = new ActiveList(); d[ithread] = new float[6]; } final AtomicInteger ai = new AtomicInteger(); int ntotal = 0; // int niter = 0; while (!al.isEmpty()) { ai.set(0); // initialize the shared block index to zero final int n = al.size(); // number of samples in active (A) list ntotal += n; final int mb = 32; // size of blocks of samples final int nb = 1 + (n - 1) / mb; // number of blocks of samples int ntask = min(nb, nthread); // number of tasks (threads to be used) for (int itask = 0; itask < ntask; ++itask) { // for each task, ... final ActiveList bltask = bl[itask]; // task-specific B list final float[] dtask = d[itask]; // task-specific work array cs.submit( new Callable<Void>() { // submit new task public Void call() { for (int ib = ai.getAndIncrement(); ib < nb; ib = ai.getAndIncrement()) { int i = ib * mb; // beginning of block int j = min(i + mb, n); // beginning of next block (or end) for (int k = i; k < j; ++k) { // for each sample in block, ... Sample s = al.get(k); // get k'th sample from A list solveOne(t, m, times, marks, s, bltask, dtask); // process sample } } bltask.setAllAbsent(); // needed when merging B lists below return null; } }); } try { for (int itask = 0; itask < ntask; ++itask) cs.take(); } catch (InterruptedException e) { throw new RuntimeException(e); } // Merge samples from all B lists to a new A list. As samples // are appended, their absent flags are set to false, so that // each sample is appended no more than once to the new A list. al.clear(); for (int itask = 0; itask < ntask; ++itask) { al.appendIfAbsent(bl[itask]); bl[itask].clear(); } // ++niter; } es.shutdown(); // trace("solveParallel: ntotal="+ntotal); // trace(" nratio="+(float)ntotal/(float)(_n1*_n2*_n3)); }
/** * @author: Ivan Voroshilin * @email: [email protected] * @since 1.8 CaffeineCachedDispatcher */ @ThreadSafe public class CaffeineCachedDispatcher implements Dispatcher { private static final Logger log = LoggerFactory.getLogger(CaffeineCachedDispatcher.class); private ExecutorService service; private IdGenerator idGenerator = new IdGenerator("ID_", new SystemDateSource()); private int queueSize = 1024; private int threadsCount = Runtime.getRuntime().availableProcessors(); private ConcurrentMap<Object, Object> cachedDispatchQueues; private volatile boolean started; private volatile boolean stopped; private CaffeineCachedDispatcher() {} public static Builder newBuilder() { return new CaffeineCachedDispatcher().new Builder(); } public class Builder { private Builder() {} public Builder setQueueSize(int queueSize) { CaffeineCachedDispatcher.this.queueSize = queueSize; return this; } public Builder setIdGenerator(IdGenerator idGenerator) { CaffeineCachedDispatcher.this.idGenerator = idGenerator; return this; } public Builder setThreadsCount(int threadsCount) { CaffeineCachedDispatcher.this.threadsCount = threadsCount; return this; } public Builder setExecutorService(ExecutorService service) { CaffeineCachedDispatcher.this.service = service; return this; } public CaffeineCachedDispatcher build() { return CaffeineCachedDispatcher.this; } } @Override public CompletableFuture<Void> dispatchAsync(Runnable task) { return dispatchAsync(idGenerator.nextId(), task); } @Override @SuppressWarnings("unchecked") public CompletableFuture<Void> dispatchAsync(String dispatchId, Runnable task) { try { return (CompletableFuture<Void>) cachedDispatchQueues.compute( dispatchId, (k, queue) -> { CompletableFuture<Void> voidCompletableFuture = (queue == null) ? CompletableFuture.runAsync(task) : ((CompletableFuture<Void>) queue).thenRunAsync(task); return voidCompletableFuture; }); } catch (Throwable t) { log.warn( "Exception thrown when calling dispatchAngGetFuture for dispatchId[{}]", dispatchId, t); throw t; } } private static ExecutorService newDefaultForkJoinPool(int threadsCount) { return Executors.newWorkStealingPool(threadsCount); } public void start() { if (started) { throw new RuntimeException("Already started or in progress"); } started = true; if (service == null) { service = newDefaultForkJoinPool(threadsCount); } cachedDispatchQueues = Caffeine.newBuilder().weakValues().executor(service).maximumSize(queueSize).build().asMap(); } public void stop() { if (stopped) { throw new RuntimeException("Already stopped or in progress"); } stopped = true; CompletableFuture<?>[] futures = cachedDispatchQueues .values() .stream() .filter(v -> v != null) .toArray(CompletableFuture<?>[]::new); CompletableFuture.allOf(futures).join(); service.shutdown(); } }
@SuppressWarnings({"unchecked"}) public final void execute(final Callback callback) throws MojoExecutionException, MojoFailureException { if (!skip) { if (header == null) { warn("No header file specified to check for license"); return; } if (!strictCheck) { warn( "Property 'strictCheck' is not enabled. Please consider adding <strictCheck>true</strictCheck> in your pom.xml file."); warn("See http://mycila.github.io/license-maven-plugin for more information."); } finder = new ResourceFinder(basedir); try { finder.setCompileClassPath(project.getCompileClasspathElements()); } catch (DependencyResolutionRequiredException e) { throw new MojoExecutionException(e.getMessage(), e); } finder.setPluginClassPath(getClass().getClassLoader()); final Header h = new Header(finder.findResource(this.header), encoding, headerSections); debug("Header %s:\n%s", h.getLocation(), h); if (this.validHeaders == null) { this.validHeaders = new String[0]; } final List<Header> validHeaders = new ArrayList<Header>(this.validHeaders.length); for (String validHeader : this.validHeaders) { validHeaders.add(new Header(finder.findResource(validHeader), encoding, headerSections)); } final List<PropertiesProvider> propertiesProviders = new LinkedList<PropertiesProvider>(); for (PropertiesProvider provider : ServiceLoader.load( PropertiesProvider.class, Thread.currentThread().getContextClassLoader())) { propertiesProviders.add(provider); } final DocumentPropertiesLoader propertiesLoader = new DocumentPropertiesLoader() { @Override public Properties load(Document document) { Properties props = new Properties(); for (Map.Entry<String, String> entry : mergeProperties(document).entrySet()) { if (entry.getValue() != null) { props.setProperty(entry.getKey(), entry.getValue()); } else { props.remove(entry.getKey()); } } for (PropertiesProvider provider : propertiesProviders) { try { final Map<String, String> providerProperties = provider.getAdditionalProperties(AbstractLicenseMojo.this, props, document); if (getLog().isDebugEnabled()) { getLog() .debug( "provider: " + provider.getClass() + " brought new properties\n" + providerProperties); } for (Map.Entry<String, String> entry : providerProperties.entrySet()) { if (entry.getValue() != null) { props.setProperty(entry.getKey(), entry.getValue()); } else { props.remove(entry.getKey()); } } } catch (Exception e) { getLog().warn("failure occured while calling " + provider.getClass(), e); } } return props; } }; final DocumentFactory documentFactory = new DocumentFactory( basedir, buildMapping(), buildHeaderDefinitions(), encoding, keywords, propertiesLoader); int nThreads = (int) (Runtime.getRuntime().availableProcessors() * concurrencyFactor); ExecutorService executorService = Executors.newFixedThreadPool(nThreads); CompletionService completionService = new ExecutorCompletionService(executorService); int count = 0; debug("Number of execution threads: %s", nThreads); try { for (final String file : listSelectedFiles()) { completionService.submit( new Runnable() { @Override public void run() { Document document = documentFactory.createDocuments(file); debug( "Selected file: %s [header style: %s]", document.getFilePath(), document.getHeaderDefinition()); if (document.isNotSupported()) { callback.onUnknownFile(document, h); } else if (document.is(h)) { debug("Skipping header file: %s", document.getFilePath()); } else if (document.hasHeader(h, strictCheck)) { callback.onExistingHeader(document, h); } else { boolean headerFound = false; for (Header validHeader : validHeaders) { if (headerFound = document.hasHeader(validHeader, strictCheck)) { callback.onExistingHeader(document, h); break; } } if (!headerFound) { callback.onHeaderNotFound(document, h); } } } }, null); count++; } while (count-- > 0) { try { completionService.take().get(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } catch (ExecutionException e) { Throwable cause = e.getCause(); if (cause instanceof Error) { throw (Error) cause; } if (cause instanceof MojoExecutionException) { throw (MojoExecutionException) cause; } if (cause instanceof MojoFailureException) { throw (MojoFailureException) cause; } if (cause instanceof RuntimeException) { throw (RuntimeException) cause; } throw new RuntimeException(cause.getMessage(), cause); } } } finally { executorService.shutdownNow(); } } }