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Posted to commits@ignite.apache.org by se...@apache.org on 2015/02/02 02:53:30 UTC
[02/50] [abbrv] incubator-ignite git commit: GridUtils -> IgniteUtils
http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/fc768b83/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
new file mode 100644
index 0000000..fedf24b
--- /dev/null
+++ b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
@@ -0,0 +1,9141 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.util;
+
+import org.apache.ignite.*;
+import org.apache.ignite.cache.*;
+import org.apache.ignite.cluster.*;
+import org.apache.ignite.compute.*;
+import org.apache.ignite.configuration.*;
+import org.apache.ignite.events.*;
+import org.apache.ignite.internal.*;
+import org.apache.ignite.internal.mxbean.*;
+import org.apache.ignite.internal.processors.cache.*;
+import org.apache.ignite.internal.processors.cache.version.*;
+import org.apache.ignite.lang.*;
+import org.apache.ignite.lifecycle.*;
+import org.apache.ignite.portables.*;
+import org.apache.ignite.spi.*;
+import org.apache.ignite.internal.managers.deployment.*;
+import org.apache.ignite.internal.processors.streamer.*;
+import org.apache.ignite.spi.discovery.*;
+import org.apache.ignite.internal.util.io.*;
+import org.apache.ignite.internal.util.lang.*;
+import org.apache.ignite.internal.util.typedef.*;
+import org.apache.ignite.internal.util.typedef.internal.*;
+import org.apache.ignite.internal.util.worker.*;
+import org.jdk8.backport.*;
+import org.jetbrains.annotations.*;
+import sun.misc.*;
+
+import javax.management.*;
+import javax.naming.*;
+import javax.net.ssl.*;
+import java.io.*;
+import java.lang.annotation.Annotation;
+import java.lang.management.*;
+import java.lang.reflect.Array;
+import java.lang.reflect.*;
+import java.math.*;
+import java.net.*;
+import java.nio.*;
+import java.nio.channels.*;
+import java.nio.channels.spi.*;
+import java.nio.charset.*;
+import java.security.*;
+import java.security.cert.*;
+import java.sql.*;
+import java.sql.Timestamp;
+import java.text.*;
+import java.util.*;
+import java.util.Date;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.*;
+import java.util.concurrent.locks.*;
+import java.util.jar.*;
+import java.util.logging.*;
+import java.util.regex.*;
+import java.util.zip.*;
+
+import static org.apache.ignite.IgniteSystemProperties.*;
+import static org.apache.ignite.events.IgniteEventType.*;
+import static org.apache.ignite.internal.GridNodeAttributes.*;
+
+/**
+ * Collection of utility methods used throughout the system.
+ */
+@SuppressWarnings({"UnusedReturnValue", "UnnecessaryFullyQualifiedName"})
+public abstract class IgniteUtils {
+ /** Unsafe. */
+ private static final Unsafe UNSAFE = GridUnsafe.unsafe();
+
+ /** {@code True} if {@code unsafe} should be used for array copy. */
+ private static final boolean UNSAFE_BYTE_ARR_CP = unsafeByteArrayCopyAvailable();
+
+ /** Offset. */
+ private static final int BYTE_ARRAY_DATA_OFFSET = UNSAFE.arrayBaseOffset(byte[].class);
+
+ /** Sun-specific JDK constructor factory for objects that don't have empty constructor. */
+ private static final Method CTOR_FACTORY;
+
+ /** Sun JDK reflection factory. */
+ private static final Object SUN_REFLECT_FACTORY;
+
+ /** Public {@code java.lang.Object} no-argument constructor. */
+ private static final Constructor OBJECT_CTOR;
+
+ /** All grid event names. */
+ private static final Map<Integer, String> GRID_EVT_NAMES = new HashMap<>();
+
+ /** All grid events. */
+ private static final int[] GRID_EVTS;
+
+ /** Empty integers array. */
+ private static final int[] EMPTY_INTS = new int[0];
+
+ /** Empty longs. */
+ private static final long[] EMPTY_LONGS = new long[0];
+
+ /** System line separator. */
+ private static final String NL = System.getProperty("line.separator");
+
+ /** Default user version. */
+ public static final String DFLT_USER_VERSION = "0";
+
+ /** Cache for {@link GridPeerDeployAware} fields to speed up reflection. */
+ private static final ConcurrentMap<String, IgniteBiTuple<Class<?>, Collection<Field>>> p2pFields =
+ new ConcurrentHashMap8<>();
+
+ /** Secure socket protocol to use. */
+ private static final String HTTPS_PROTOCOL = "TLS";
+
+ /** Project home directory. */
+ private static volatile GridTuple<String> ggHome;
+
+ /** Project work directory. */
+ private static volatile String ggWork;
+
+ /** OS JDK string. */
+ private static String osJdkStr;
+
+ /** OS string. */
+ private static String osStr;
+
+ /** JDK string. */
+ private static String jdkStr;
+
+ /** Indicates whether current OS is Windows 95. */
+ private static boolean win95;
+
+ /** Indicates whether current OS is Windows 98. */
+ private static boolean win98;
+
+ /** Indicates whether current OS is Windows NT. */
+ private static boolean winNt;
+
+ /** Indicates whether current OS is Windows Vista. */
+ private static boolean winVista;
+
+ /** Indicates whether current OS is Windows 7. */
+ private static boolean win7;
+
+ /** Indicates whether current OS is Windows 8. */
+ private static boolean win8;
+
+ /** Indicates whether current OS is Windows 8.1. */
+ private static boolean win81;
+
+ /** Indicates whether current OS is some version of Windows. */
+ private static boolean unknownWin;
+
+ /** Indicates whether current OS is Windows 2000. */
+ private static boolean win2k;
+
+ /** Indicates whether current OS is Windows XP. */
+ private static boolean winXp;
+
+ /** Indicates whether current OS is Windows Server 2003. */
+ private static boolean win2003;
+
+ /** Indicates whether current OS is Windows Server 2008. */
+ private static boolean win2008;
+
+ /** Indicates whether current OS is UNIX flavor. */
+ private static boolean unix;
+
+ /** Indicates whether current OS is Solaris. */
+ private static boolean solaris;
+
+ /** Indicates whether current OS is Linux flavor. */
+ private static boolean linux;
+
+ /** Indicates whether current OS is NetWare. */
+ private static boolean netware;
+
+ /** Indicates whether current OS is Mac OS. */
+ private static boolean mac;
+
+ /** Indicates whether current OS architecture is Sun Sparc. */
+ private static boolean sparc;
+
+ /** Indicates whether current OS architecture is Intel X86. */
+ private static boolean x86;
+
+ /** Name of the underlying OS. */
+ private static String osName;
+
+ /** Version of the underlying OS. */
+ private static String osVer;
+
+ /** CPU architecture of the underlying OS. */
+ private static String osArch;
+
+ /** Name of the Java Runtime. */
+ private static String javaRtName;
+
+ /** Name of the Java Runtime version. */
+ private static String javaRtVer;
+
+ /** Name of the JDK vendor. */
+ private static String jdkVendor;
+
+ /** Name of the JDK. */
+ private static String jdkName;
+
+ /** Version of the JDK. */
+ private static String jdkVer;
+
+ /** Name of JVM specification. */
+ private static String jvmSpecName;
+
+ /** Version of JVM implementation. */
+ private static String jvmImplVer;
+
+ /** Vendor's name of JVM implementation. */
+ private static String jvmImplVendor;
+
+ /** Name of the JVM implementation. */
+ private static String jvmImplName;
+
+ /** JMX domain as 'xxx.gridgain'. */
+ public static final String JMX_DOMAIN = IgniteUtils.class.getName().substring(0, IgniteUtils.class.getName().
+ indexOf('.', IgniteUtils.class.getName().indexOf('.') + 1));
+
+ /** Network packet header. */
+ public static final byte[] GG_HEADER = U.intToBytes(0x00004747);
+
+ /** Default buffer size = 4K. */
+ private static final int BUF_SIZE = 4096;
+
+ /** Byte bit-mask. */
+ private static final int MASK = 0xf;
+
+ /** Long date format pattern for log messages. */
+ private static final SimpleDateFormat LONG_DATE_FMT = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
+
+ /**
+ * Short date format pattern for log messages in "quiet" mode.
+ * Only time is included since we don't expect "quiet" mode to be used
+ * for longer runs.
+ */
+ private static final SimpleDateFormat SHORT_DATE_FMT = new SimpleDateFormat("HH:mm:ss");
+
+ /** Debug date format. */
+ private static final SimpleDateFormat DEBUG_DATE_FMT = new SimpleDateFormat("HH:mm:ss,SSS");
+
+ /** Cached local host address to make sure that every time the same local host is returned. */
+ private static InetAddress locHost;
+
+ /** */
+ static volatile long curTimeMillis = System.currentTimeMillis();
+
+ /** Primitive class map. */
+ private static final Map<String, Class<?>> primitiveMap = new HashMap<>(16, .5f);
+
+ /** Boxed class map. */
+ private static final Map<Class<?>, Class<?>> boxedClsMap = new HashMap<>(16, .5f);
+
+ /** Class loader used to load GridGain. */
+ private static final ClassLoader gridClassLoader = IgniteUtils.class.getClassLoader();
+
+ /** MAC OS invalid argument socket error message. */
+ public static final String MAC_INVALID_ARG_MSG = "On MAC OS you may have too many file descriptors open " +
+ "(simple restart usually solves the issue)";
+
+ /** Default help pages. */
+ public static final List<String> DFLT_HELP_LINKS = Arrays.asList(
+ "Troubleshooting: http://bit.ly/GridGain-Troubleshooting",
+ "Documentation Center: http://bit.ly/GridGain-Documentation");
+
+ /** Portable classes. */
+ private static final Collection<Class<?>> PORTABLE_CLS = new HashSet<>();
+
+ /** GridGain Logging Directory. */
+ public static final String GRIDGAIN_LOG_DIR = System.getenv(GG_LOG_DIR);
+
+ /** GridGain Work Directory. */
+ public static final String GRIDGAIN_WORK_DIR = System.getenv(GG_WORK_DIR);
+
+ /** Clock timer. */
+ private static Thread timer;
+
+ /** Grid counter. */
+ private static int gridCnt;
+
+ /** Mutex. */
+ private static final Object mux = new Object();
+
+ /**
+ * Initializes enterprise check.
+ */
+ static {
+ String osName = System.getProperty("os.name");
+
+ String osLow = osName.toLowerCase();
+
+ // OS type detection.
+ if (osLow.contains("win")) {
+ if (osLow.contains("95"))
+ win95 = true;
+ else if (osLow.contains("98"))
+ win98 = true;
+ else if (osLow.contains("nt"))
+ winNt = true;
+ else if (osLow.contains("2000"))
+ win2k = true;
+ else if (osLow.contains("vista"))
+ winVista = true;
+ else if (osLow.contains("xp"))
+ winXp = true;
+ else if (osLow.contains("2003"))
+ win2003 = true;
+ else if (osLow.contains("2008"))
+ win2008 = true;
+ else if (osLow.contains("7"))
+ win7 = true;
+ else if (osLow.contains("8.1"))
+ win81 = true;
+ else if (osLow.contains("8"))
+ win8 = true;
+ else
+ unknownWin = true;
+ }
+ else if (osLow.contains("netware"))
+ netware = true;
+ else if (osLow.contains("mac os"))
+ mac = true;
+ else {
+ // UNIXs flavors tokens.
+ for (CharSequence os : new String[]{"ix", "inux", "olaris", "un", "ux", "sco", "bsd", "att"})
+ if (osLow.contains(os)) {
+ unix = true;
+
+ break;
+ }
+
+ // UNIX name detection.
+ if (osLow.contains("olaris"))
+ solaris = true;
+ else if (osLow.contains("inux"))
+ linux = true;
+ }
+
+ String osArch = System.getProperty("os.arch");
+
+ String archStr = osArch.toLowerCase();
+
+ // OS architecture detection.
+ if (archStr.contains("x86"))
+ x86 = true;
+ else if (archStr.contains("sparc"))
+ sparc = true;
+
+ String javaRtName = System.getProperty("java.runtime.name");
+ String javaRtVer = System.getProperty("java.runtime.version");
+ String jdkVendor = System.getProperty("java.specification.vendor");
+ String jdkName = System.getProperty("java.specification.name");
+ String jdkVer = System.getProperty("java.specification.version");
+ String osVer = System.getProperty("os.version");
+ String jvmSpecName = System.getProperty("java.vm.specification.name");
+ String jvmImplVer = System.getProperty("java.vm.version");
+ String jvmImplVendor = System.getProperty("java.vm.vendor");
+ String jvmImplName = System.getProperty("java.vm.name");
+
+ String jdkStr = javaRtName + ' ' + javaRtVer + ' ' + jvmImplVendor + ' ' + jvmImplName + ' ' +
+ jvmImplVer;
+
+ osStr = osName + ' ' + osVer + ' ' + osArch;
+ osJdkStr = osLow + ", " + jdkStr;
+
+ // Copy auto variables to static ones.
+ IgniteUtils.osName = osName;
+ IgniteUtils.jdkName = jdkName;
+ IgniteUtils.jdkVendor = jdkVendor;
+ IgniteUtils.jdkVer = jdkVer;
+ IgniteUtils.jdkStr = jdkStr;
+ IgniteUtils.osVer = osVer;
+ IgniteUtils.osArch = osArch;
+ IgniteUtils.jvmSpecName = jvmSpecName;
+ IgniteUtils.jvmImplVer = jvmImplVer;
+ IgniteUtils.jvmImplVendor = jvmImplVendor;
+ IgniteUtils.jvmImplName = jvmImplName;
+ IgniteUtils.javaRtName = javaRtName;
+ IgniteUtils.javaRtVer = javaRtVer;
+
+ primitiveMap.put("byte", byte.class);
+ primitiveMap.put("short", short.class);
+ primitiveMap.put("int", int.class);
+ primitiveMap.put("long", long.class);
+ primitiveMap.put("float", float.class);
+ primitiveMap.put("double", double.class);
+ primitiveMap.put("char", char.class);
+ primitiveMap.put("boolean", boolean.class);
+
+ boxedClsMap.put(byte.class, Byte.class);
+ boxedClsMap.put(short.class, Short.class);
+ boxedClsMap.put(int.class, Integer.class);
+ boxedClsMap.put(long.class, Long.class);
+ boxedClsMap.put(float.class, Float.class);
+ boxedClsMap.put(double.class, Double.class);
+ boxedClsMap.put(char.class, Character.class);
+ boxedClsMap.put(boolean.class, Boolean.class);
+
+ try {
+ OBJECT_CTOR = Object.class.getConstructor();
+ }
+ catch (NoSuchMethodException e) {
+ throw withCause(new AssertionError("Object class does not have empty constructor (is JDK corrupted?)."), e);
+ }
+
+ // Constructor factory.
+ Method ctorFac = null;
+ Object refFac = null;
+
+ try {
+ Class<?> refFactoryCls = Class.forName("sun.reflect.ReflectionFactory");
+
+ refFac = refFactoryCls.getMethod("getReflectionFactory").invoke(null);
+
+ ctorFac = refFac.getClass().getMethod("newConstructorForSerialization", Class.class,
+ Constructor.class);
+ }
+ catch (NoSuchMethodException | ClassNotFoundException | IllegalAccessException | InvocationTargetException ignored) {
+ // No-op.
+ }
+
+ CTOR_FACTORY = ctorFac;
+ SUN_REFLECT_FACTORY = refFac;
+
+ // Disable hostname SSL verification for development and testing with self-signed certificates.
+ if (Boolean.parseBoolean(System.getProperty(GG_DISABLE_HOSTNAME_VERIFIER))) {
+ HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
+ @Override public boolean verify(String hostname, SSLSession sslSes) {
+ return true;
+ }
+ });
+ }
+
+ // Event names initialization.
+ for (Field field : IgniteEventType.class.getFields()) {
+ if (field.getType().equals(int.class)) {
+ try {
+ assert field.getName().startsWith("EVT_") : "Invalid event name (should start with 'EVT_': " +
+ field.getName();
+
+ int type = field.getInt(null);
+
+ String prev = GRID_EVT_NAMES.put(type, field.getName().substring(4));
+
+ // Check for duplicate event types.
+ assert prev == null : "Duplicate event [type=" + type + ", name1=" + prev +
+ ", name2=" + field.getName() + ']';
+ }
+ catch (IllegalAccessException e) {
+ throw new IgniteException(e);
+ }
+ }
+ }
+
+ // Event array initialization.
+ GRID_EVTS = toIntArray(GRID_EVT_NAMES.keySet());
+
+ // Sort for fast event lookup.
+ Arrays.sort(GRID_EVTS);
+
+ // We need to re-initialize EVTS_ALL and EVTS_ALL_MINUS_METRIC_UPDATE
+ // because they may have been initialized to null before GRID_EVTS were initialized.
+ if (EVTS_ALL == null || EVTS_ALL_MINUS_METRIC_UPDATE == null) {
+ try {
+ Field f1 = IgniteEventType.class.getDeclaredField("EVTS_ALL");
+ Field f2 = IgniteEventType.class.getDeclaredField("EVTS_ALL_MINUS_METRIC_UPDATE");
+
+ assert f1 != null;
+ assert f2 != null;
+
+ // We use unsafe operations to update static fields on interface because
+ // they are treated as static final and cannot be updated via standard reflection.
+ UNSAFE.putObjectVolatile(UNSAFE.staticFieldBase(f1), UNSAFE.staticFieldOffset(f1), gridEvents());
+ UNSAFE.putObjectVolatile(UNSAFE.staticFieldBase(f2), UNSAFE.staticFieldOffset(f2),
+ gridEvents(EVT_NODE_METRICS_UPDATED));
+
+ assert EVTS_ALL != null;
+ assert EVTS_ALL.length == GRID_EVTS.length;
+
+ assert EVTS_ALL_MINUS_METRIC_UPDATE != null;
+ assert EVTS_ALL_MINUS_METRIC_UPDATE.length == GRID_EVTS.length - 1;
+
+ // Validate correctness.
+ for (int type : GRID_EVTS) {
+ assert containsIntArray(EVTS_ALL, type);
+
+ if (type != EVT_NODE_METRICS_UPDATED)
+ assert containsIntArray(EVTS_ALL_MINUS_METRIC_UPDATE, type);
+ }
+
+ assert !containsIntArray(EVTS_ALL_MINUS_METRIC_UPDATE, EVT_NODE_METRICS_UPDATED);
+ }
+ catch (NoSuchFieldException e) {
+ throw new IgniteException(e);
+ }
+ }
+
+ PORTABLE_CLS.add(Byte.class);
+ PORTABLE_CLS.add(Short.class);
+ PORTABLE_CLS.add(Integer.class);
+ PORTABLE_CLS.add(Long.class);
+ PORTABLE_CLS.add(Float.class);
+ PORTABLE_CLS.add(Double.class);
+ PORTABLE_CLS.add(Character.class);
+ PORTABLE_CLS.add(Boolean.class);
+ PORTABLE_CLS.add(String.class);
+ PORTABLE_CLS.add(UUID.class);
+ PORTABLE_CLS.add(Date.class);
+ PORTABLE_CLS.add(Timestamp.class);
+ PORTABLE_CLS.add(byte[].class);
+ PORTABLE_CLS.add(short[].class);
+ PORTABLE_CLS.add(int[].class);
+ PORTABLE_CLS.add(long[].class);
+ PORTABLE_CLS.add(float[].class);
+ PORTABLE_CLS.add(double[].class);
+ PORTABLE_CLS.add(char[].class);
+ PORTABLE_CLS.add(boolean[].class);
+ PORTABLE_CLS.add(String[].class);
+ PORTABLE_CLS.add(UUID[].class);
+ PORTABLE_CLS.add(Date[].class);
+ PORTABLE_CLS.add(Timestamp[].class);
+ }
+
+ /**
+ * @return System time approximated by 10 ms.
+ */
+ public static long currentTimeMillis() {
+ return curTimeMillis;
+ }
+
+ /**
+ * @return Value of {@link System#nanoTime()} in microseconds.
+ */
+ public static long microTime() {
+ return System.nanoTime() / 1000;
+ }
+
+ /**
+ * Gets nearest power of 2 larger or equal than v.
+ *
+ * @param v Value.
+ * @return Nearest power of 2.
+ */
+ public static int ceilPow2(int v) {
+ v--;
+
+ v |= v >> 1;
+ v |= v >> 2;
+ v |= v >> 4;
+ v |= v >> 8;
+ v |= v >> 16;
+
+ return ++v;
+ }
+
+ /**
+ * @param i Value.
+ * @return {@code true} If the given value is power of 2 (0 is not power of 2).
+ */
+ public static boolean isPow2(int i) {
+ return i > 0 && (i & (i - 1)) == 0;
+ }
+
+ /**
+ * Return SUN specific constructor factory.
+ *
+ * @return SUN specific constructor factory.
+ */
+ @Nullable public static Method ctorFactory() {
+ return CTOR_FACTORY;
+ }
+
+ /**
+ * @return Empty constructor for object class.
+ */
+ public static Constructor objectConstructor() {
+ return OBJECT_CTOR;
+ }
+
+ /**
+ * SUN JDK specific reflection factory for objects without public constructor.
+ *
+ * @return Reflection factory for objects without public constructor.
+ */
+ @Nullable public static Object sunReflectionFactory() {
+ return SUN_REFLECT_FACTORY;
+ }
+
+ /**
+ * Gets name for given grid event type.
+ *
+ * @param type Event type.
+ * @return Event name.
+ */
+ public static String gridEventName(int type) {
+ String name = GRID_EVT_NAMES.get(type);
+
+ return name != null ? name : Integer.toString(type);
+ }
+
+ /**
+ * Gets all event types.
+ *
+ * @param excl Optional exclude events.
+ * @return All events minus excluded ones.
+ */
+ public static int[] gridEvents(final int... excl) {
+ if (F.isEmpty(excl))
+ return GRID_EVTS;
+
+ List<Integer> evts = toIntList(GRID_EVTS, new P1<Integer>() {
+ @Override
+ public boolean apply(Integer i) {
+ return !containsIntArray(excl, i);
+ }
+ });
+
+ return toIntArray(evts);
+ }
+
+ /**
+ * @param discoSpi Discovery SPI.
+ * @return {@code True} if ordering is supported.
+ */
+ public static boolean discoOrdered(DiscoverySpi discoSpi) {
+ DiscoverySpiOrderSupport ann = U.getAnnotation(discoSpi.getClass(), DiscoverySpiOrderSupport.class);
+
+ return ann != null && ann.value();
+ }
+
+ /**
+ * @return Checks if disco ordering should be enforced.
+ */
+ public static boolean relaxDiscoveryOrdered() {
+ return "true".equalsIgnoreCase(System.getProperty(GG_NO_DISCO_ORDER));
+ }
+
+ /**
+ * This method should be used for adding quick debug statements in code
+ * while debugging. Calls to this method should never be committed to master.
+ *
+ * @param msg Message to debug.
+ * @deprecated Calls to this method should never be committed to master.
+ */
+ @Deprecated
+ public static void debug(Object msg) {
+ X.println(debugPrefix() + msg);
+ }
+
+ /**
+ * This method should be used for adding quick debug statements in code
+ * while debugging. Calls to this method should never be committed to master.
+ *
+ * @param msg Message to debug.
+ * @deprecated Calls to this method should never be committed to master.
+ */
+ @Deprecated
+ public static void debugx(String msg) {
+ X.printerrln(debugPrefix() + msg);
+ }
+
+ /**
+ * This method should be used for adding quick debug statements in code
+ * while debugging. Calls to this method should never be committed to master.
+ *
+ * @param log Logger.
+ * @param msg Message to debug.
+ *
+ * @deprecated Calls to this method should never be committed to master.
+ */
+ @Deprecated
+ public static void debug(IgniteLogger log, String msg) {
+ log.info(msg);
+ }
+
+ /**
+ * Prints stack trace of the current thread to {@code System.out}.
+ *
+ * @deprecated Calls to this method should never be committed to master.
+ */
+ @SuppressWarnings("deprecation")
+ @Deprecated
+ public static void dumpStack() {
+ dumpStack("Dumping stack.");
+ }
+
+ /**
+ * Prints stack trace of the current thread to {@code System.out}.
+ *
+ * @param msg Message to print with the stack.
+ *
+ * @deprecated Calls to this method should never be committed to master.
+ */
+ @Deprecated
+ public static void dumpStack(String msg) {
+ new Exception(debugPrefix() + msg).printStackTrace(System.out);
+ }
+
+ /**
+ * @param log Logger.
+ * @param msg Message.
+ */
+ public static void dumpStack(@Nullable IgniteLogger log, String msg) {
+ U.error(log, "Dumping stack.", new Exception(msg));
+ }
+
+ /**
+ * Prints stack trace of the current thread to provided output stream.
+ *
+ * @param msg Message to print with the stack.
+ * @param out Output to dump stack to.
+ *
+ * @deprecated Calls to this method should never be committed to master.
+ */
+ @Deprecated
+ public static void dumpStack(String msg, PrintStream out) {
+ new Exception(msg).printStackTrace(out);
+ }
+
+ /**
+ * Prints stack trace of the current thread to provided logger.
+ *
+ * @param log Logger.
+ * @param msg Message to print with the stack.
+ *
+ * @deprecated Calls to this method should never be committed to master.
+ */
+ @Deprecated
+ public static void debugStack(IgniteLogger log, String msg) {
+ log.error(msg, new Exception(debugPrefix() + msg));
+ }
+
+ /**
+ * @return Common prefix for debug messages.
+ */
+ private static String debugPrefix() {
+ return '<' + DEBUG_DATE_FMT.format(new Date(System.currentTimeMillis())) + "><DEBUG><" +
+ Thread.currentThread().getName() + '>' + ' ';
+ }
+
+ /**
+ * Prints heap usage.
+ */
+ public static void debugHeapUsage() {
+ System.gc();
+
+ Runtime runtime = Runtime.getRuntime();
+
+ X.println('<' + DEBUG_DATE_FMT.format(new Date(System.currentTimeMillis())) + "><DEBUG><" +
+ Thread.currentThread().getName() + "> Heap stats [free=" + runtime.freeMemory() / (1024 * 1024) +
+ "M, total=" + runtime.totalMemory() / (1024 * 1024) + "M]");
+ }
+
+ /**
+ * Gets heap size in GB rounded to specified precision.
+ *
+ * @param node Node.
+ * @param precision Precision.
+ * @return Heap size in GB.
+ */
+ public static double heapSize(ClusterNode node, int precision) {
+ return heapSize(Collections.singleton(node), precision);
+ }
+
+ /**
+ * Gets total heap size in GB rounded to specified precision.
+ *
+ * @param nodes Nodes.
+ * @param precision Precision.
+ * @return Total heap size in GB.
+ */
+ public static double heapSize(Iterable<ClusterNode> nodes, int precision) {
+ // In bytes.
+ double heap = 0.0;
+
+ for (ClusterNode n : nodesPerJvm(nodes)) {
+ ClusterMetrics m = n.metrics();
+
+ heap += Math.max(m.getHeapMemoryInitialized(), m.getHeapMemoryMaximum());
+ }
+
+ return roundedHeapSize(heap, precision);
+ }
+
+ /**
+ * Returns one representative node for each JVM.
+ *
+ * @param nodes Nodes.
+ * @return Collection which contains only one representative node for each JVM.
+ */
+ private static Iterable<ClusterNode> nodesPerJvm(Iterable<ClusterNode> nodes) {
+ Map<String, ClusterNode> grpMap = new HashMap<>();
+
+ // Group by mac addresses and pid.
+ for (ClusterNode node : nodes) {
+ String grpId = node.attribute(ATTR_MACS) + "|" + node.attribute(ATTR_JVM_PID);
+
+ if (!grpMap.containsKey(grpId))
+ grpMap.put(grpId, node);
+ }
+
+ return grpMap.values();
+ }
+
+ /**
+ * Returns current JVM maxMemory in the same format as {@link #heapSize(org.apache.ignite.cluster.ClusterNode, int)}.
+ *
+ * @param precision Precision.
+ * @return Maximum memory size in GB.
+ */
+ public static double heapSize(int precision) {
+ return roundedHeapSize(Runtime.getRuntime().maxMemory(), precision);
+ }
+
+ /**
+ * Rounded heap size in gigabytes.
+ *
+ * @param heap Heap.
+ * @param precision Precision.
+ * @return Rounded heap size.
+ */
+ private static double roundedHeapSize(double heap, int precision) {
+ double rounded = new BigDecimal(heap / (1024 * 1024 * 1024d)).round(new MathContext(precision)).doubleValue();
+
+ return rounded < 0.1 ? 0.1 : rounded;
+ }
+
+ /**
+ * Performs thread dump and prints all available info to the given log.
+ *
+ * @param log Logger.
+ */
+ public static void dumpThreads(@Nullable IgniteLogger log) {
+ ThreadMXBean mxBean = ManagementFactory.getThreadMXBean();
+
+ ThreadInfo[] threadInfos =
+ mxBean.dumpAllThreads(mxBean.isObjectMonitorUsageSupported(), mxBean.isSynchronizerUsageSupported());
+
+ GridStringBuilder sb = new GridStringBuilder("Thread dump at ")
+ .a(new SimpleDateFormat("yyyy/MM/dd HH:mm:ss z").format(new Date(U.currentTimeMillis()))).a(NL);
+
+ for (ThreadInfo info : threadInfos) {
+ printThreadInfo(info, sb);
+
+ sb.a(NL);
+
+ if (info.getLockedSynchronizers() != null && info.getLockedSynchronizers().length > 0) {
+ printSynchronizersInfo(info.getLockedSynchronizers(), sb);
+
+ sb.a(NL);
+ }
+ }
+
+ sb.a(NL);
+
+ warn(log, sb.toString());
+ }
+
+ /**
+ * Prints single thread info to a buffer.
+ *
+ * @param threadInfo Thread info.
+ * @param sb Buffer.
+ */
+ private static void printThreadInfo(ThreadInfo threadInfo, GridStringBuilder sb) {
+ sb.a("Thread [name=\"").a(threadInfo.getThreadName())
+ .a("\", id=").a(threadInfo.getThreadId())
+ .a(", state=").a(threadInfo.getThreadState())
+ .a(", blockCnt=").a(threadInfo.getBlockedCount())
+ .a(", waitCnt=").a(threadInfo.getWaitedCount()).a("]").a(NL);
+
+ LockInfo lockInfo = threadInfo.getLockInfo();
+
+ if (lockInfo != null) {
+ sb.a(" Lock [object=").a(lockInfo)
+ .a(", ownerName=").a(threadInfo.getLockOwnerName())
+ .a(", ownerId=").a(threadInfo.getLockOwnerId()).a("]").a(NL);
+ }
+
+ MonitorInfo[] monitors = threadInfo.getLockedMonitors();
+ StackTraceElement[] elements = threadInfo.getStackTrace();
+
+ for (int i = 0; i < elements.length; i++) {
+ StackTraceElement e = elements[i];
+
+ sb.a(" at ").a(e.toString());
+
+ for (MonitorInfo monitor : monitors) {
+ if (monitor.getLockedStackDepth() == i)
+ sb.a(NL).a(" - locked ").a(monitor);
+ }
+
+ sb.a(NL);
+ }
+ }
+
+ /**
+ * Prints Synchronizers info to a buffer.
+ *
+ * @param syncs Synchronizers info.
+ * @param sb Buffer.
+ */
+ private static void printSynchronizersInfo(LockInfo[] syncs, GridStringBuilder sb) {
+ sb.a(" Locked synchronizers:");
+
+ for (LockInfo info : syncs)
+ sb.a(NL).a(" ").a(info);
+ }
+
+ /**
+ * Gets empty constructor for class even if the class does not have empty constructor
+ * declared. This method is guaranteed to work with SUN JDK and other JDKs still need
+ * to be tested.
+ *
+ * @param cls Class to get empty constructor for.
+ * @return Empty constructor if one could be found or {@code null} otherwise.
+ * @throws IgniteCheckedException If failed.
+ */
+ @Nullable public static Constructor<?> forceEmptyConstructor(Class<?> cls) throws IgniteCheckedException {
+ Constructor<?> ctor = null;
+
+ try {
+ return cls.getDeclaredConstructor();
+ }
+ catch (Exception ignore) {
+ Method ctorFac = U.ctorFactory();
+ Object sunRefFac = U.sunReflectionFactory();
+
+ if (ctorFac != null && sunRefFac != null)
+ try {
+ ctor = (Constructor)ctorFac.invoke(sunRefFac, cls, U.objectConstructor());
+ }
+ catch (IllegalAccessException | InvocationTargetException e) {
+ throw new IgniteCheckedException("Failed to get object constructor for class: " + cls, e);
+ }
+ }
+
+ return ctor;
+ }
+
+ /**
+ * Creates new instance of a class only if it has an empty constructor (can be non-public).
+ *
+ * @param cls Class name.
+ * @return Instance.
+ * @throws IgniteCheckedException If failed.
+ */
+ @Nullable public static <T> T newInstance(String cls) throws IgniteCheckedException {
+ Class<?> cls0;
+
+ try {
+ cls0 = Class.forName(cls);
+ }
+ catch (Exception e) {
+ throw new IgniteCheckedException(e);
+ }
+
+ return (T)newInstance(cls0);
+ }
+
+ /**
+ * Creates new instance of a class only if it has an empty constructor (can be non-public).
+ *
+ * @param cls Class to instantiate.
+ * @return New instance of the class or {@code null} if empty constructor could not be assigned.
+ * @throws IgniteCheckedException If failed.
+ */
+ @Nullable public static <T> T newInstance(Class<T> cls) throws IgniteCheckedException {
+ boolean set = false;
+
+ Constructor<T> ctor = null;
+
+ try {
+ ctor = cls.getDeclaredConstructor();
+
+ if (ctor == null)
+ return null;
+
+ if (!ctor.isAccessible()) {
+ ctor.setAccessible(true);
+
+ set = true;
+ }
+
+ return ctor.newInstance();
+ }
+ catch (NoSuchMethodException e) {
+ throw new IgniteCheckedException("Failed to find empty constructor for class: " + cls, e);
+ }
+ catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
+ throw new IgniteCheckedException("Failed to create new instance for class: " + cls, e);
+ } finally {
+ if (ctor != null && set)
+ ctor.setAccessible(false);
+ }
+ }
+
+ /**
+ * Creates new instance of a class even if it does not have public constructor.
+ *
+ * @param cls Class to instantiate.
+ * @return New instance of the class or {@code null} if empty constructor could not be assigned.
+ * @throws IgniteCheckedException If failed.
+ */
+ @SuppressWarnings({"unchecked"})
+ @Nullable public static <T> T forceNewInstance(Class<?> cls) throws IgniteCheckedException {
+ Constructor ctor = forceEmptyConstructor(cls);
+
+ if (ctor == null)
+ return null;
+
+ boolean set = false;
+
+ try {
+
+ if (!ctor.isAccessible()) {
+ ctor.setAccessible(true);
+
+ set = true;
+ }
+
+ return (T)ctor.newInstance();
+ }
+ catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
+ throw new IgniteCheckedException("Failed to create new instance for class: " + cls, e);
+ } finally {
+ if (set)
+ ctor.setAccessible(false);
+ }
+ }
+
+ /**
+ * Pretty-formatting for minutes.
+ *
+ * @param mins Minutes to format.
+ * @return Formatted presentation of minutes.
+ */
+ public static String formatMins(long mins) {
+ assert mins >= 0;
+
+ if (mins == 0)
+ return "< 1 min";
+
+ SB sb = new SB();
+
+ long dd = mins / 1440; // 1440 mins = 60 mins * 24 hours
+
+ if (dd > 0)
+ sb.a(dd).a(dd == 1 ? " day " : " days ");
+
+ mins %= 1440;
+
+ long hh = mins / 60;
+
+ if (hh > 0)
+ sb.a(hh).a(hh == 1 ? " hour " : " hours ");
+
+ mins %= 60;
+
+ if (mins > 0)
+ sb.a(mins).a(mins == 1 ? " min " : " mins ");
+
+ return sb.toString().trim();
+ }
+
+ /**
+ * Gets 8-character substring of UUID (for terse logging).
+ *
+ * @param id Input ID.
+ * @return 8-character ID substring.
+ */
+ public static String id8(UUID id) {
+ return id.toString().substring(0, 8);
+ }
+
+ /**
+ * Gets 8-character substring of {@link org.apache.ignite.lang.IgniteUuid} (for terse logging).
+ * The ID8 will be constructed as follows:
+ * <ul>
+ * <li>Take first 4 digits for global ID, i.e. {@code GridUuid.globalId()}.</li>
+ * <li>Take last 4 digits for local ID, i.e. {@code GridUuid.localId()}.</li>
+ * </ul>
+ *
+ * @param id Input ID.
+ * @return 8-character representation of {@code GridUuid}.
+ */
+ public static String id8(IgniteUuid id) {
+ String s = id.toString();
+
+ return s.substring(0, 4) + s.substring(s.length() - 4);
+ }
+
+ /**
+ *
+ * @param len Number of characters to fill in.
+ * @param ch Character to fill with.
+ * @return String.
+ */
+ public static String filler(int len, char ch) {
+ char[] a = new char[len];
+
+ Arrays.fill(a, ch);
+
+ return new String(a);
+ }
+
+ /**
+ * Writes array to output stream.
+ *
+ * @param out Output stream.
+ * @param arr Array to write.
+ * @param <T> Array type.
+ * @throws IOException If failed.
+ */
+ public static <T> void writeArray(ObjectOutput out, T[] arr) throws IOException {
+ int len = arr == null ? 0 : arr.length;
+
+ out.writeInt(len);
+
+ if (arr != null && arr.length > 0)
+ for (T t : arr)
+ out.writeObject(t);
+ }
+
+ /**
+ * Reads array from input stream.
+ *
+ * @param in Input stream.
+ * @return Deserialized array.
+ * @throws IOException If failed.
+ * @throws ClassNotFoundException If class not found.
+ */
+ @Nullable public static Object[] readArray(ObjectInput in) throws IOException, ClassNotFoundException {
+ int len = in.readInt();
+
+ Object[] arr = null;
+
+ if (len > 0) {
+ arr = new Object[len];
+
+ for (int i = 0; i < len; i++)
+ arr[i] = in.readObject();
+ }
+
+ return arr;
+ }
+
+ /**
+ * Reads array from input stream.
+ *
+ * @param in Input stream.
+ * @return Deserialized array.
+ * @throws IOException If failed.
+ * @throws ClassNotFoundException If class not found.
+ */
+ @Nullable public static Class<?>[] readClassArray(ObjectInput in) throws IOException, ClassNotFoundException {
+ int len = in.readInt();
+
+ Class<?>[] arr = null;
+
+ if (len > 0) {
+ arr = new Class<?>[len];
+
+ for (int i = 0; i < len; i++)
+ arr[i] = (Class<?>)in.readObject();
+ }
+
+ return arr;
+ }
+
+ /**
+ * Reads array from input stream.
+ *
+ * @param in Input stream.
+ * @return Deserialized array.
+ * @throws IOException If failed.
+ * @throws ClassNotFoundException If class not found.
+ */
+ @SuppressWarnings("unchecked")
+ @Nullable public static <K, V> IgnitePredicate<CacheEntry<K, V>>[] readEntryFilterArray(ObjectInput in)
+ throws IOException, ClassNotFoundException {
+ int len = in.readInt();
+
+ IgnitePredicate<CacheEntry<K, V>>[] arr = null;
+
+ if (len > 0) {
+ arr = new IgnitePredicate[len];
+
+ for (int i = 0; i < len; i++)
+ arr[i] = (IgnitePredicate<CacheEntry<K, V>>)in.readObject();
+ }
+
+ return arr;
+ }
+
+ /**
+ *
+ * @param out Output.
+ * @param col Set to write.
+ * @throws IOException If write failed.
+ */
+ public static void writeCollection(ObjectOutput out, Collection<?> col) throws IOException {
+ if (col != null) {
+ out.writeInt(col.size());
+
+ for (Object o : col)
+ out.writeObject(o);
+ }
+ else
+ out.writeInt(-1);
+ }
+
+ /**
+ * Writes collection of byte arrays to data output.
+ *
+ * @param out Output to write to.
+ * @param bytes Collection with byte arrays.
+ * @throws IOException If write failed.
+ */
+ public static void writeBytesCollection(DataOutput out, Collection<byte[]> bytes) throws IOException {
+ if (bytes != null) {
+ out.writeInt(bytes.size());
+
+ for (byte[] b : bytes)
+ writeByteArray(out, b);
+ }
+ else
+ out.writeInt(-1);
+ }
+
+ /**
+ * Reads collection of byte arrays from data input.
+ *
+ * @param in Data input to read from.
+ * @return List of byte arrays.
+ * @throws IOException If read failed.
+ */
+ public static List<byte[]> readBytesList(DataInput in) throws IOException {
+ int size = in.readInt();
+
+ if (size < 0)
+ return null;
+
+ List<byte[]> res = new ArrayList<>(size);
+
+ for (int i = 0; i < size; i++)
+ res.add(readByteArray(in));
+
+ return res;
+ }
+
+ /**
+ *
+ * @param out Output.
+ * @param col Set to write.
+ * @throws IOException If write failed.
+ */
+ public static void writeIntCollection(DataOutput out, Collection<Integer> col) throws IOException {
+ if (col != null) {
+ out.writeInt(col.size());
+
+ for (Integer i : col)
+ out.writeInt(i);
+ }
+ else
+ out.writeInt(-1);
+ }
+
+ /**
+ * @param in Input.
+ * @return Deserialized set.
+ * @throws IOException If deserialization failed.
+ * @throws ClassNotFoundException If deserialized class could not be found.
+ */
+ @Nullable public static <E> Collection<E> readCollection(ObjectInput in)
+ throws IOException, ClassNotFoundException {
+ return readList(in);
+ }
+
+ /**
+ * @param in Input.
+ * @return Deserialized set.
+ * @throws IOException If deserialization failed.
+ */
+ @Nullable public static Collection<Integer> readIntCollection(DataInput in) throws IOException {
+ int size = in.readInt();
+
+ // Check null flag.
+ if (size == -1)
+ return null;
+
+ Collection<Integer> col = new ArrayList<>(size);
+
+ for (int i = 0; i < size; i++)
+ col.add(in.readInt());
+
+ return col;
+ }
+
+ /**
+ *
+ * @param m Map to copy.
+ * @param <K> Key type.
+ * @param <V> Value type
+ * @return Copied map.
+ */
+ public static <K, V> Map<K, V> copyMap(Map<K, V> m) {
+ return new HashMap<>(m);
+ }
+
+ /**
+ *
+ * @param m Map to seal.
+ * @param <K> Key type.
+ * @param <V> Value type
+ * @return Sealed map.
+ */
+ public static <K, V> Map<K, V> sealMap(Map<K, V> m) {
+ assert m != null;
+
+ return Collections.unmodifiableMap(new HashMap<>(m));
+ }
+
+ /**
+ * Seal collection.
+ *
+ * @param c Collection to seal.
+ * @param <E> Entry type
+ * @return Sealed collection.
+ */
+ public static <E> List<E> sealList(Collection<E> c) {
+ return Collections.unmodifiableList(new ArrayList<>(c));
+ }
+
+ /**
+ * Convert array to seal list.
+ *
+ * @param a Array for convert to seal list.
+ * @param <E> Entry type
+ * @return Sealed collection.
+ */
+ public static <E> List<E> sealList(E... a) {
+ return Collections.unmodifiableList(Arrays.asList(a));
+ }
+
+ /**
+ * Gets display name of the network interface this IP address belongs to.
+ *
+ * @param addr IP address for which to find network interface name.
+ * @return Network interface name or {@code null} if can't be found.
+ */
+ @Nullable public static String getNetworkInterfaceName(String addr) {
+ assert addr != null;
+
+ try {
+ InetAddress inetAddr = InetAddress.getByName(addr);
+
+ for (NetworkInterface itf : asIterable(NetworkInterface.getNetworkInterfaces()))
+ for (InetAddress itfAddr : asIterable(itf.getInetAddresses()))
+ if (itfAddr.equals(inetAddr))
+ return itf.getDisplayName();
+ }
+ catch (UnknownHostException ignore) {
+ return null;
+ }
+ catch (SocketException ignore) {
+ return null;
+ }
+
+ return null;
+ }
+
+ /**
+ * Tries to resolve host by name, returning local host if input is empty.
+ * This method reflects how {@link org.apache.ignite.configuration.IgniteConfiguration#getLocalHost()} should
+ * be handled in most places.
+ *
+ * @param hostName Hostname or {@code null} if local host should be returned.
+ * @return Address of given host or of localhost.
+ * @throws IOException If attempt to get local host failed.
+ */
+ public static InetAddress resolveLocalHost(@Nullable String hostName) throws IOException {
+ return F.isEmpty(hostName) ?
+ // Should default to InetAddress#anyLocalAddress which is package-private.
+ new InetSocketAddress(0).getAddress() :
+ InetAddress.getByName(hostName);
+ }
+
+ /**
+ * Determines whether current local host is different from previously cached.
+ *
+ * @return {@code true} or {@code false} depending on whether or not local host
+ * has changed from the cached value.
+ * @throws IOException If attempt to get local host failed.
+ */
+ public static synchronized boolean isLocalHostChanged() throws IOException {
+ InetAddress locHost0 = locHost;
+
+ return locHost0 != null && !resetLocalHost().equals(locHost0);
+ }
+
+ /**
+ * Returns host names consistent with {@link #resolveLocalHost(String)}. So when it returns
+ * a common address this method returns single host name, and when a wildcard address passed
+ * this method tries to collect addresses of all available interfaces.
+ *
+ * @param locAddr Local address to resolve.
+ * @return Resolved available addresses of given local address.
+ * @throws IOException If failed.
+ * @throws IgniteCheckedException If no network interfaces found.
+ */
+ public static IgniteBiTuple<Collection<String>, Collection<String>> resolveLocalAddresses(InetAddress locAddr)
+ throws IOException, IgniteCheckedException {
+ assert locAddr != null;
+
+ Collection<String> addrs = new ArrayList<>();
+ Collection<String> hostNames = new ArrayList<>();
+
+ if (locAddr.isAnyLocalAddress()) {
+ // It should not take longer than 2 seconds to reach
+ // local address on any network.
+ int reachTimeout = 2000;
+
+ for (NetworkInterface itf : asIterable(NetworkInterface.getNetworkInterfaces())) {
+ for (InetAddress addr : asIterable(itf.getInetAddresses())) {
+ if (!addr.isLinkLocalAddress() && reachable(itf, addr, reachTimeout))
+ addresses(addr, addrs, hostNames);
+ }
+ }
+
+ if (F.isEmpty(addrs))
+ throw new IgniteCheckedException("No network addresses found (is networking enabled?).");
+ }
+ else
+ addresses(locAddr, addrs, hostNames);
+
+ return F.t(addrs, hostNames);
+ }
+
+ /**
+ * @param addr Address.
+ * @param addrs Addresses.
+ * @param hostNames Host names.
+ */
+ private static void addresses(InetAddress addr, Collection<String> addrs, Collection<String> hostNames) {
+ String hostName = addr.getHostName();
+
+ String ipAddr = addr.getHostAddress();
+
+ hostName = F.isEmpty(hostName) || hostName.equals(ipAddr) || addr.isLoopbackAddress() ? "" : hostName;
+
+ addrs.add(ipAddr);
+ hostNames.add(hostName);
+ }
+
+ /**
+ * Gets local host. Implementation will first attempt to get a non-loopback
+ * address. If that fails, then loopback address will be returned.
+ * <p>
+ * Note that this method is synchronized to make sure that local host
+ * initialization happens only once.
+ *
+ * @return Address representing local host.
+ * @throws IOException If attempt to get local host failed.
+ */
+ public static synchronized InetAddress getLocalHost() throws IOException {
+ if (locHost == null)
+ // Cache it.
+ resetLocalHost();
+
+ return locHost;
+ }
+
+ /**
+ * @return Local host.
+ * @throws IOException If attempt to get local host failed.
+ */
+ private static synchronized InetAddress resetLocalHost() throws IOException {
+ locHost = null;
+
+ String sysLocHost = IgniteSystemProperties.getString(GG_LOCAL_HOST);
+
+ if (sysLocHost != null)
+ sysLocHost = sysLocHost.trim();
+
+ if (!F.isEmpty(sysLocHost))
+ locHost = InetAddress.getByName(sysLocHost);
+ else {
+ List<NetworkInterface> itfs = new ArrayList<>();
+
+ for (NetworkInterface itf : asIterable(NetworkInterface.getNetworkInterfaces()))
+ itfs.add(itf);
+
+ Collections.sort(itfs, new Comparator<NetworkInterface>() {
+ @Override public int compare(NetworkInterface itf1, NetworkInterface itf2) {
+ // Interfaces whose name starts with 'e' should go first.
+ return itf1.getName().compareTo(itf2.getName());
+ }
+ });
+
+ // It should not take longer than 2 seconds to reach
+ // local address on any network.
+ int reachTimeout = 2000;
+
+ for (NetworkInterface itf : itfs) {
+ boolean found = false;
+
+ for (InetAddress addr : asIterable(itf.getInetAddresses())) {
+ if (!addr.isLoopbackAddress() && !addr.isLinkLocalAddress() && reachable(itf, addr, reachTimeout)) {
+ locHost = addr;
+
+ found = true;
+
+ break;
+ }
+ }
+
+ if (found)
+ break;
+ }
+ }
+
+ if (locHost == null)
+ locHost = InetAddress.getLocalHost();
+
+ return locHost;
+ }
+
+ /**
+ * Checks if address can be reached using three argument InetAddress.isReachable() version.
+ *
+ * @param itf Network interface to use for test.
+ * @param addr Address to check.
+ * @param reachTimeout Timeout for the check.
+ * @return {@code True} if address is reachable.
+ */
+ public static boolean reachable(NetworkInterface itf, InetAddress addr, int reachTimeout) {
+ try {
+ return addr.isReachable(itf, 0, reachTimeout);
+ }
+ catch (IOException ignore) {
+ return false;
+ }
+ }
+
+ /**
+ * Checks if address can be reached using one argument InetAddress.isReachable() version.
+ *
+ * @param addr Address to check.
+ * @param reachTimeout Timeout for the check.
+ * @return {@code True} if address is reachable.
+ */
+ public static boolean reachable(InetAddress addr, int reachTimeout) {
+ try {
+ return addr.isReachable(reachTimeout);
+ }
+ catch (IOException ignore) {
+ return false;
+ }
+ }
+
+ /**
+ * @param loc Local node.
+ * @param rmt Remote node.
+ * @return Whether given nodes have the same macs.
+ */
+ public static boolean sameMacs(ClusterNode loc, ClusterNode rmt) {
+ assert loc != null;
+ assert rmt != null;
+
+ String locMacs = loc.attribute(GridNodeAttributes.ATTR_MACS);
+ String rmtMacs = rmt.attribute(GridNodeAttributes.ATTR_MACS);
+
+ return locMacs != null && locMacs.equals(rmtMacs);
+ }
+
+ /**
+ * Gets a list of all local non-loopback IPs known to this JVM.
+ * Note that this will include both IPv4 and IPv6 addresses (even if one "resolves"
+ * into another). Loopbacks will be skipped.
+ *
+ * @return List of all known local IPs (empty list if no addresses available).
+ */
+ public static synchronized Collection<String> allLocalIps() {
+ List<String> ips = new ArrayList<>(4);
+
+ try {
+ Enumeration<NetworkInterface> itfs = NetworkInterface.getNetworkInterfaces();
+
+ if (itfs != null) {
+ for (NetworkInterface itf : asIterable(itfs)) {
+ if (!itf.isLoopback()) {
+ Enumeration<InetAddress> addrs = itf.getInetAddresses();
+
+ if (addrs != null) {
+ for (InetAddress addr : asIterable(addrs)) {
+ String hostAddr = addr.getHostAddress();
+
+ if (!addr.isLoopbackAddress() && !ips.contains(hostAddr))
+ ips.add(hostAddr);
+ }
+ }
+ }
+ }
+ }
+ }
+ catch (SocketException ignore) {
+ return Collections.emptyList();
+ }
+
+ Collections.sort(ips);
+
+ return ips;
+ }
+
+ /**
+ * Gets a list of all local enabled MACs known to this JVM. It
+ * is using hardware address of the network interface that is not guaranteed to be
+ * MAC addresses (but in most cases it is).
+ * <p>
+ * Note that if network interface is disabled - its MAC won't be included. All
+ * local network interfaces are probed including loopbacks. Virtual interfaces
+ * (sub-interfaces) are skipped.
+ * <p>
+ * Note that on linux getHardwareAddress() can return null from time to time
+ * if NetworkInterface.getHardwareAddress() method is called from many threads.
+ *
+ * @return List of all known enabled local MACs or empty list
+ * if no MACs could be found.
+ */
+ public static synchronized Collection<String> allLocalMACs() {
+ List<String> macs = new ArrayList<>(3);
+
+ try {
+ Enumeration<NetworkInterface> itfs = NetworkInterface.getNetworkInterfaces();
+
+ if (itfs != null) {
+ for (NetworkInterface itf : asIterable(itfs)) {
+ byte[] hwAddr = itf.getHardwareAddress();
+
+ // Loopback produces empty MAC.
+ if (hwAddr != null && hwAddr.length > 0) {
+ String mac = byteArray2HexString(hwAddr);
+
+ if (!macs.contains(mac))
+ macs.add(mac);
+ }
+ }
+ }
+ }
+ catch (SocketException ignore) {
+ return Collections.emptyList();
+ }
+
+ Collections.sort(macs);
+
+ return macs;
+ }
+
+ /**
+ * Downloads resource by URL.
+ *
+ * @param url URL to download.
+ * @param file File where downloaded resource should be stored.
+ * @return File where downloaded resource should be stored.
+ * @throws IOException If error occurred.
+ */
+ public static File downloadUrl(URL url, File file) throws IOException {
+ assert url != null;
+ assert file != null;
+
+ InputStream in = null;
+ OutputStream out = null;
+
+ try {
+ URLConnection conn = url.openConnection();
+
+ if (conn instanceof HttpsURLConnection) {
+ HttpsURLConnection https = (HttpsURLConnection)conn;
+
+ https.setHostnameVerifier(new DeploymentHostnameVerifier());
+
+ SSLContext ctx = SSLContext.getInstance(HTTPS_PROTOCOL);
+
+ ctx.init(null, getTrustManagers(), null);
+
+ // Initialize socket factory.
+ https.setSSLSocketFactory(ctx.getSocketFactory());
+ }
+
+ in = conn.getInputStream();
+
+ if (in == null)
+ throw new IOException("Failed to open connection: " + url.toString());
+
+ out = new BufferedOutputStream(new FileOutputStream(file));
+
+ copy(in, out);
+ }
+ catch (NoSuchAlgorithmException | KeyManagementException e) {
+ throw new IOException("Failed to open HTTPs connection [url=" + url.toString() + ", msg=" + e + ']', e);
+ } finally {
+ close(in, null);
+ close(out, null);
+ }
+
+ return file;
+ }
+
+ /**
+ * Construct array with one trust manager which don't reject input certificates.
+ *
+ * @return Array with one X509TrustManager implementation of trust manager.
+ */
+ private static TrustManager[] getTrustManagers() {
+ return new TrustManager[]{
+ new X509TrustManager() {
+ @Nullable @Override public X509Certificate[] getAcceptedIssuers() {
+ return null;
+ }
+
+ @Override public void checkClientTrusted(X509Certificate[] certs, String authType) {
+ /* No-op. */
+ }
+
+ @Override public void checkServerTrusted(X509Certificate[] certs, String authType) {
+ /* No-op. */
+ }
+ }
+ };
+ }
+
+ /**
+ * Replace password in URI string with a single '*' character.
+ * <p>
+ * Parses given URI by applying ".*://(.*:.*)@.*"
+ * regular expression pattern and than if URI matches it
+ * replaces password strings between '/' and '@' with '*'.
+ *
+ * @param uri URI which password should be replaced.
+ * @return Converted URI string
+ */
+ @Nullable public static String hidePassword(@Nullable String uri) {
+ if (uri == null)
+ return null;
+
+ if (Pattern.matches(".*://(.*:.*)@.*", uri)) {
+ int userInfoLastIdx = uri.indexOf('@');
+
+ assert userInfoLastIdx != -1;
+
+ String str = uri.substring(0, userInfoLastIdx);
+
+ int userInfoStartIdx = str.lastIndexOf('/');
+
+ str = str.substring(userInfoStartIdx + 1);
+
+ String[] params = str.split(";");
+
+ StringBuilder builder = new StringBuilder();
+
+ for (int i = 0; i < params.length; i++) {
+ int idx;
+
+ if ((idx = params[i].indexOf(':')) != -1)
+ params[i] = params[i].substring(0, idx + 1) + '*';
+
+ builder.append(params[i]);
+
+ if (i != params.length - 1)
+ builder.append(';');
+ }
+
+ return new StringBuilder(uri).replace(userInfoStartIdx + 1, userInfoLastIdx,
+ builder.toString()).toString();
+ }
+
+ return uri;
+ }
+
+ /**
+ * @return Class loader used to load GridGain itself.
+ */
+ public static ClassLoader gridClassLoader() {
+ return gridClassLoader;
+ }
+
+ /**
+ * @param parent Parent to find.
+ * @param ldr Loader to check.
+ * @return {@code True} if parent found.
+ */
+ public static boolean hasParent(@Nullable ClassLoader parent, ClassLoader ldr) {
+ if (parent != null) {
+ for (; ldr != null; ldr = ldr.getParent()) {
+ if (ldr.equals(parent))
+ return true;
+ }
+
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Verifier always returns successful result for any host.
+ */
+ private static class DeploymentHostnameVerifier implements HostnameVerifier {
+ /** {@inheritDoc} */
+ @Override public boolean verify(String hostname, SSLSession ses) {
+ // Remote host trusted by default.
+ return true;
+ }
+ }
+
+ /**
+ * Makes a {@code '+---+'} dash line.
+ *
+ * @param len Length of the dash line to make.
+ * @return Dash line.
+ */
+ public static String dash(int len) {
+ char[] dash = new char[len];
+
+ Arrays.fill(dash, '-');
+
+ dash[0] = dash[len - 1] = '+';
+
+ return new String(dash);
+ }
+
+ /**
+ * Creates space filled string of given length.
+ *
+ * @param len Number of spaces.
+ * @return Space filled string of given length.
+ */
+ public static String pad(int len) {
+ char[] dash = new char[len];
+
+ Arrays.fill(dash, ' ');
+
+ return new String(dash);
+ }
+
+ /**
+ * Formats system time in milliseconds for printing in logs.
+ *
+ * @param sysTime System time.
+ * @return Formatted time string.
+ */
+ public static String format(long sysTime) {
+ return LONG_DATE_FMT.format(new java.util.Date(sysTime));
+ }
+
+ /**
+ * Takes given collection, shuffles it and returns iterable instance.
+ *
+ * @param <T> Type of elements to create iterator for.
+ * @param col Collection to shuffle.
+ * @return Iterable instance over randomly shuffled collection.
+ */
+ public static <T> Iterable<T> randomIterable(Collection<T> col) {
+ List<T> list = new ArrayList<>(col);
+
+ Collections.shuffle(list);
+
+ return list;
+ }
+
+ /**
+ * Converts enumeration to iterable so it can be used in {@code foreach} construct.
+ *
+ * @param <T> Types of instances for iteration.
+ * @param e Enumeration to convert.
+ * @return Iterable over the given enumeration.
+ */
+ public static <T> Iterable<T> asIterable(final Enumeration<T> e) {
+ return new Iterable<T>() {
+ @Override public Iterator<T> iterator() {
+ return new Iterator<T>() {
+ @Override public boolean hasNext() {
+ return e.hasMoreElements();
+ }
+
+ @SuppressWarnings({"IteratorNextCanNotThrowNoSuchElementException"})
+ @Override public T next() {
+ return e.nextElement();
+ }
+
+ @Override public void remove() {
+ throw new UnsupportedOperationException();
+ }
+ };
+ }
+ };
+ }
+
+ /**
+ * Copy source file (or folder) to destination file (or folder). Supported source & destination:
+ * <ul>
+ * <li>File to File</li>
+ * <li>File to Folder</li>
+ * <li>Folder to Folder (Copy the content of the directory and not the directory itself)</li>
+ * </ul>
+ *
+ * @param src Source file or folder.
+ * @param dest Destination file or folder.
+ * @param overwrite Whether or not overwrite existing files and folders.
+ * @throws IOException Thrown if an I/O error occurs.
+ */
+ public static void copy(File src, File dest, boolean overwrite) throws IOException {
+ assert src != null;
+ assert dest != null;
+
+ /*
+ * Supported source & destination:
+ * ===============================
+ * 1. File -> File
+ * 2. File -> Directory
+ * 3. Directory -> Directory
+ */
+
+ // Source must exist.
+ if (!src.exists())
+ throw new FileNotFoundException("Source can't be found: " + src);
+
+ // Check that source and destination are not the same.
+ if (src.getAbsoluteFile().equals(dest.getAbsoluteFile()))
+ throw new IOException("Source and destination are the same [src=" + src + ", dest=" + dest + ']');
+
+ if (dest.exists()) {
+ if (!dest.isDirectory() && !overwrite)
+ throw new IOException("Destination already exists: " + dest);
+
+ if (!dest.canWrite())
+ throw new IOException("Destination is not writable:" + dest);
+ }
+ else {
+ File parent = dest.getParentFile();
+
+ if (parent != null && !parent.exists())
+ // Ignore any errors here.
+ // We will get errors when we'll try to open the file stream.
+ //noinspection ResultOfMethodCallIgnored
+ parent.mkdirs();
+
+ // If source is a directory, we should create destination directory.
+ if (src.isDirectory())
+ //noinspection ResultOfMethodCallIgnored
+ dest.mkdir();
+ }
+
+ if (src.isDirectory()) {
+ // In this case we have Directory -> Directory.
+ // Note that we copy the content of the directory and not the directory itself.
+
+ File[] files = src.listFiles();
+
+ for (File file : files) {
+ if (file.isDirectory()) {
+ File dir = new File(dest, file.getName());
+
+ if (!dir.exists() && !dir.mkdirs())
+ throw new IOException("Can't create directory: " + dir);
+
+ copy(file, dir, overwrite);
+ }
+ else
+ copy(file, dest, overwrite);
+ }
+ }
+ else {
+ // In this case we have File -> File or File -> Directory.
+ File file = dest.exists() && dest.isDirectory() ? new File(dest, src.getName()) : dest;
+
+ if (!overwrite && file.exists())
+ throw new IOException("Destination already exists: " + file);
+
+ FileInputStream in = null;
+ FileOutputStream out = null;
+
+ try {
+ in = new FileInputStream(src);
+ out = new FileOutputStream(file);
+
+ copy(in, out);
+ }
+ finally {
+ if (in != null)
+ in.close();
+
+ if (out != null) {
+ out.getFD().sync();
+
+ out.close();
+ }
+ }
+ }
+ }
+
+ /**
+ * Starts clock timer if grid is first.
+ */
+ public static void onGridStart() {
+ synchronized (mux) {
+ if (gridCnt == 0) {
+ timer = new Thread(new Runnable() {
+ @SuppressWarnings({"BusyWait", "InfiniteLoopStatement"})
+ @Override public void run() {
+ while (true) {
+ curTimeMillis = System.currentTimeMillis();
+
+ try {
+ Thread.sleep(10);
+ }
+ catch (InterruptedException ignored) {
+ U.log(null, "Timer thread has been interrupted.");
+
+ break;
+ }
+ }
+ }
+ }, "gridgain-clock");
+
+ timer.setDaemon(true);
+
+ timer.setPriority(10);
+
+ timer.start();
+ }
+
+ ++gridCnt;
+ }
+ }
+
+ /**
+ * Stops clock timer if all nodes into JVM were stopped.
+ */
+ public static void onGridStop(){
+ synchronized (mux) {
+ assert gridCnt > 0 : gridCnt;
+
+ --gridCnt;
+
+ if (gridCnt == 0 && timer != null) {
+ timer.interrupt();
+
+ timer = null;
+ }
+ }
+ }
+
+ /**
+ * Copies input byte stream to output byte stream.
+ *
+ * @param in Input byte stream.
+ * @param out Output byte stream.
+ * @return Number of the copied bytes.
+ * @throws IOException Thrown if an I/O error occurs.
+ */
+ public static int copy(InputStream in, OutputStream out) throws IOException {
+ assert in != null;
+ assert out != null;
+
+ byte[] buf = new byte[BUF_SIZE];
+
+ int cnt = 0;
+
+ for (int n; (n = in.read(buf)) > 0;) {
+ out.write(buf, 0, n);
+
+ cnt += n;
+ }
+
+ return cnt;
+ }
+
+ /**
+ * Copies input character stream to output character stream.
+ *
+ * @param in Input character stream.
+ * @param out Output character stream.
+ * @return Number of the copied characters.
+ * @throws IOException Thrown if an I/O error occurs.
+ */
+ public static int copy(Reader in, Writer out) throws IOException {
+ assert in != null;
+ assert out != null;
+
+ char[] buf = new char[BUF_SIZE];
+
+ int cnt = 0;
+
+ for (int n; (n = in.read(buf)) > 0;) {
+ out.write(buf, 0, n);
+
+ cnt += n;
+ }
+
+ return cnt;
+ }
+
+ /**
+ * Writes string to file.
+ *
+ * @param file File.
+ * @param s String to write.
+ * @throws IOException Thrown if an I/O error occurs.
+ */
+ public static void writeStringToFile(File file, String s) throws IOException {
+ writeStringToFile(file, s, Charset.defaultCharset().toString(), false);
+ }
+
+ /**
+ * Writes string to file.
+ *
+ * @param file File.
+ * @param s String to write.
+ * @param charset Encoding.
+ * @throws IOException Thrown if an I/O error occurs.
+ */
+ public static void writeStringToFile(File file, String s, String charset) throws IOException {
+ writeStringToFile(file, s, charset, false);
+ }
+
+ /**
+ * Reads file to string using specified charset.
+ *
+ * @param fileName File name.
+ * @param charset File charset.
+ * @return File content.
+ * @throws IOException If error occurred.
+ */
+ public static String readFileToString(String fileName, String charset) throws IOException {
+ Reader input = new InputStreamReader(new FileInputStream(fileName), charset);
+
+ StringWriter output = new StringWriter();
+
+ char[] buf = new char[4096];
+
+ int n;
+
+ while ((n = input.read(buf)) != -1)
+ output.write(buf, 0, n);
+
+ return output.toString();
+ }
+
+ /**
+ * Writes string to file.
+ *
+ * @param file File.
+ * @param s String to write.
+ * @param charset Encoding.
+ * @param append If {@code true}, then specified string will be added to the end of the file.
+ * @throws IOException Thrown if an I/O error occurs.
+ */
+ public static void writeStringToFile(File file, String s, String charset, boolean append) throws IOException {
+ if (s == null)
+ return;
+
+ OutputStream out = null;
+
+ try {
+ out = new FileOutputStream(file, append);
+
+ if (s != null)
+ out.write(s.getBytes(charset));
+ } finally {
+ closeQuiet(out);
+ }
+ }
+
+ /**
+ * Utility method that sets cause into exception and returns it.
+ *
+ * @param e Exception to set cause to and return.
+ * @param cause Optional cause to set (if not {@code null}).
+ * @param <E> Type of the exception.
+ * @return Passed in exception with optionally set cause.
+ */
+ public static <E extends Throwable> E withCause(E e, @Nullable Throwable cause) {
+ assert e != null;
+
+ if (cause != null)
+ e.initCause(cause);
+
+ return e;
+ }
+
+ /**
+ * Deletes file or directory with all sub-directories and files.
+ *
+ * @param file File or directory to delete.
+ * @return {@code true} if and only if the file or directory is successfully deleted,
+ * {@code false} otherwise
+ */
+ public static boolean delete(File file) {
+ assert file != null;
+
+ boolean res = true;
+
+ if (file.isDirectory()) {
+ File[] files = file.listFiles();
+
+ if (files != null && files.length > 0)
+ for (File file1 : files)
+ if (file1.isDirectory())
+ res &= delete(file1);
+ else if (file1.getName().endsWith("jar"))
+ try {
+ // Why do we do this?
+ new JarFile(file1, false).close();
+
+ res &= file1.delete();
+ }
+ catch (IOException ignore) {
+ // Ignore it here...
+ }
+ else
+ res &= file1.delete();
+
+ res &= file.delete();
+ }
+ else
+ res = file.delete();
+
+ return res;
+ }
+
+ /**
+ * @param dir Directory to create along with all non-existent parent directories.
+ * @return {@code True} if directory exists (has been created or already existed),
+ * {@code false} if has not been created and does not exist.
+ */
+ public static boolean mkdirs(File dir) {
+ assert dir != null;
+
+ return dir.mkdirs() || dir.exists();
+ }
+
+ /**
+ * Resolve project home directory based on source code base.
+ *
+ * @return Project home directory (or {@code null} if it cannot be resolved).
+ */
+ @Nullable private static String resolveProjectHome() {
+ assert Thread.holdsLock(IgniteUtils.class);
+
+ // Resolve GridGain home via environment variables.
+ String ggHome0 = IgniteSystemProperties.getString(GG_HOME);
+
+ if (!F.isEmpty(ggHome0))
+ return ggHome0;
+
+ String appWorkDir = System.getProperty("user.dir");
+
+ if (appWorkDir != null) {
+ ggHome0 = findProjectHome(new File(appWorkDir));
+
+ if (ggHome0 != null)
+ return ggHome0;
+ }
+
+ URI uri;
+
+ Class<IgniteUtils> cls = IgniteUtils.class;
+
+ try {
+ ProtectionDomain domain = cls.getProtectionDomain();
+
+ // Should not happen, but to make sure our code is not broken.
+ if (domain == null || domain.getCodeSource() == null || domain.getCodeSource().getLocation() == null) {
+ logResolveFailed(cls, null);
+
+ return null;
+ }
+
+ // Resolve path to class-file.
+ uri = domain.getCodeSource().getLocation().toURI();
+
+ // Overcome UNC path problem on Windows (http://www.tomergabel.com/JavaMishandlesUNCPathsOnWindows.aspx)
+ if (isWindows() && uri.getAuthority() != null)
+ uri = new URI(uri.toString().replace("file://", "file:/"));
+ }
+ catch (URISyntaxException | SecurityException e) {
+ logResolveFailed(cls, e);
+
+ return null;
+ }
+
+ return findProjectHome(new File(uri));
+ }
+
+ /**
+ * Tries to find project home starting from specified directory and moving to root.
+ *
+ * @param startDir First directory in search hierarchy.
+ * @return Project home path or {@code null} if it wasn't found.
+ */
+ private static String findProjectHome(File startDir) {
+ for (File cur = startDir.getAbsoluteFile(); cur != null; cur = cur.getParentFile()) {
+ // Check 'cur' is project home directory.
+ if (!new File(cur, "bin").isDirectory() ||
+ !new File(cur, "libs").isDirectory() ||
+ !new File(cur, "config").isDirectory())
+ continue;
+
+ return cur.getPath();
+ }
+
+ return null;
+ }
+
+ /**
+ * @param cls Class.
+ * @param e Exception.
+ */
+ private static void logResolveFailed(Class cls, Exception e) {
+ warn(null, "Failed to resolve GRIDGAIN_HOME automatically for class codebase " +
+ "[class=" + cls + (e == null ? "" : ", e=" + e.getMessage()) + ']');
+ }
+
+ /**
+ * Retrieves {@code GRIDGAIN_HOME} property. The property is retrieved from system
+ * properties or from environment in that order.
+ *
+ * @return {@code GRIDGAIN_HOME} property.
+ */
+ @Nullable public static String getGridGainHome() {
+ GridTuple<String> ggHomeTup = ggHome;
+
+ String ggHome0;
+
+ if (ggHomeTup == null) {
+ synchronized (IgniteUtils.class) {
+ // Double check.
+ ggHomeTup = ggHome;
+
+ if (ggHomeTup == null) {
+ // Resolve GridGain installation home directory.
+ ggHome = F.t(ggHome0 = resolveProjectHome());
+
+ if (ggHome0 != null)
+ System.setProperty(GG_HOME, ggHome0);
+ }
+ else
+ ggHome0 = ggHomeTup.get();
+ }
+ }
+ else
+ ggHome0 = ggHomeTup.get();
+
+ return ggHome0;
+ }
+
+ /**
+ * @param path GridGain home. May be {@code null}.
+ */
+ public static void setGridGainHome(@Nullable String path) {
+ GridTuple<String> ggHomeTup = ggHome;
+
+ String ggHome0;
+
+ if (ggHomeTup == null) {
+ synchronized (IgniteUtils.class) {
+ // Double check.
+ ggHomeTup = ggHome;
+
+ if (ggHomeTup == null) {
+ if (F.isEmpty(path))
+ System.clearProperty(GG_HOME);
+ else
+ System.setProperty(GG_HOME, path);
+
+ ggHome = F.t(path);
+
+ return;
+ }
+ else
+ ggHome0 = ggHomeTup.get();
+ }
+ }
+ else
+ ggHome0 = ggHomeTup.get();
+
+ if (ggHome0 != null && !ggHome0.equals(path))
+ throw new IgniteException("Failed to set GRIDGAIN_HOME after it has been already resolved " +
+ "[ggHome=" + ggHome0 + ", newGgHome=" + path + ']');
+ }
+
+ /**
+ * Gets file associated with path.
+ * <p>
+ * First check if path is relative to {@code GRIDGAIN_HOME}.
+ * If not, check if path is absolute.
+ * If all checks fail, then {@code null} is returned.
+ * <p>
+ * See {@link #getGridGainHome()} for information on how {@code GRIDGAIN_HOME} is retrieved.
+ *
+ * @param path Path to resolve.
+ * @return Resolved path as file, or {@code null} if path cannot be resolved.
+ */
+ @Nullable public static File resolveGridGainPath(String path) {
+ assert path != null;
+
+ /*
+ * 1. Check relative to GRIDGAIN_HOME specified in configuration, if any.
+ */
+
+ String home = getGridGainHome();
+
+ if (home != null) {
+ File file = new File(home, path);
+
+ if (file.exists())
+ return file;
+ }
+
+ /*
+ * 2. Check given path as absolute.
+ */
+
+ File file = new File(path);
+
+ if (file.exists())
+ return file;
+
+ /*
+ * 3. Check development path.
+ */
+
+ if (home != null)
+ file = new File(home, "os/" + path);
+
+ return file.exists() ? file : null;
+ }
+
+ /**
+ * Gets URL representing the path passed in. First the check is made if path is absolute.
+ * If not, then the check is made if path is relative to {@code META-INF} folder in classpath.
+ * If not, then the check is made if path is relative to ${GRIDGAIN_HOME}.
+ * If all checks fail,
+ * then {@code null} is returned, otherwise URL representing path is returned.
+ * <p>
+ * See {@link #getGridGainHome()} for information on how {@code GRIDGAIN_HOME} is retrieved.
+ *
+ * @param path Path to resolve.
+ * @return Resolved path as URL, or {@code null} if path cannot be resolved.
+ * @see #getGridGainHome()
+ */
+ @Nullable public static URL resolveGridGainUrl(String path) {
+ return resolveGridGainUrl(path, true);
+ }
+
+ /**
+ * Gets URL representing the path passed in. First the check is made if path is absolute.
+ * If not, then the check is made if path is relative to {@code META-INF} folder in classpath.
+ * If not, then the check is made if path is relative to ${GRIDGAIN_HOME}.
+ * If all checks fail,
+ * then {@code null} is returned, otherwise URL representing path is returned.
+ * <p>
+ * See {@link #getGridGainHome()} for information on how {@code GRIDGAIN_HOME} is retrieved.
+ *
+ * @param path Path to resolve.
+ * @param metaInf Flag to indicate whether META-INF folder should be checked or class path root.
+ * @return Resolved path as URL, or {@code null} if path cannot be resolved.
+ * @see #getGridGainHome()
+ */
+ @SuppressWarnings({"UnusedCatchParameter"})
+ @Nullable public static URL resolveGridGainUrl(String path, boolean metaInf) {
+ File f = resolveGridGainPath(path);
+
+ if (f == null)
+ f = resolveGridGainPath("os/" + path);
+
+ if (f != null) {
+ try {
+ // Note: we use that method's chain instead of File.getURL() with due
+ // Sun bug http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6179468
+ return f.toURI().toURL();
+ }
+ catch (MalformedURLException e) {
+ // No-op.
+ }
+ }
+
+ String locPath = (metaInf ? "META-INF/" : "") + path.replaceAll("\\\\", "/");
+
+ return Thread.currentThread().getContextClassLoader().getResource(locPath);
+ }
+
+ /**
+ * Join byte arrays into single one.
+ *
+ * @param bufs list of byte arrays to concatenate.
+ * @return Concatenated byte's array.
+ */
+ public static byte[] join(byte[]... bufs) {
+ int size = 0;
+ for (byte[] buf : bufs) {
+ size += buf.length;
+ }
+
+ byte[] res = new byte[size];
+ int position = 0;
+ for (byte[] buf : bufs) {
+ arrayCopy(buf, 0, res, position, buf.length);
+ position += buf.length;
+ }
+
+ return res;
+ }
+
+ /**
+ * Converts byte array to formatted string. If calling:
+ * <pre name="code" class="java">
+ * ...
+ * byte[] data = {10, 20, 30, 40, 50, 60, 70, 80, 90};
+ *
+ * U.byteArray2String(data, "0x%02X", ",0x%02X")
+ * ...
+ * </pre>
+ * the result will be:
+ * <pre name="code" class="java">
+ * ...
+ * 0x0A, 0x14, 0x1E, 0x28, 0x32, 0x3C, 0x46, 0x50, 0x5A
+ * ...
+ * </pre>
+ *
+ * @param arr Array of byte.
+ * @param hdrFmt C-style string format for the first element.
+ * @param bodyFmt C-style string format for second and following elements, if any.
+ * @return String with converted bytes.
+ */
+ public static String byteArray2String(byte[] arr, String hdrFmt, String bodyFmt) {
+ assert arr != null;
+ assert hdrFmt != null;
+ assert bodyFmt != null;
+
+ SB sb = new SB();
+
+ sb.a('{');
+
+ boolean first = true;
+
+ for (byte b : arr)
+ if (first) {
+ sb.a(String.format(hdrFmt, b));
+
+ first = false;
+ }
+ else
+ sb.a(String.format(bodyFmt, b));
+
+ sb.a('}');
+
+ return sb.toString();
+ }
+
+ /**
+ * Converts byte array to hex string.
+ *
+ * @param arr Array of bytes.
+ * @return Hex string.
+ */
+ public static String byteArray2HexString(byte[] arr) {
+ SB sb = new SB(arr.length << 1);
+
+ for (byte b : arr)
+ sb.a(Integer.toHexString(MASK & b >>> 4)).a(Integer.toHexString(MASK & b));
+
+ return sb.toString().toUpperCase();
+ }
+
+ /**
+ * Convert string with hex values to byte array.
+ *
+ * @param hex Hexadecimal string to convert.
+ * @return array of bytes defined as hex in string.
+ * @throws IllegalArgumentException If input character differs from certain hex characters.
+ */
+ public static byte[] hexString2ByteArray(String hex) throws IllegalArgumentException {
+ // If Hex string has odd character length.
+ if (hex.length() % 2 != 0)
+ hex = '0' + hex;
+
+ char[] chars = hex.toCharArray();
+
+ byte[] bytes = new byte[chars.length / 2];
+
+ int byteCnt = 0;
+
+ for (int i = 0; i < chars.length; i += 2) {
+ int newByte = 0;
+
+ newByte |= hexCharToByte(chars[i]);
+
+ newByte <<= 4;
+
+ newByte |= hexCharToByte(chars[i + 1]);
+
+ bytes[byteCnt] = (byte)newByte;
+
+ byteCnt++;
+ }
+
+ return bytes;
+ }
+
+ /**
+ * Return byte value for certain character.
+ *
+ * @param ch Character
+ * @return Byte value.
+ * @throws IllegalArgumentException If input character differ from certain hex characters.
+ */
+ @SuppressWarnings({"UnnecessaryFullyQualifiedName", "fallthrough"})
+ private static byte hexCharToByte(char ch) throws IllegalArgumentException {
+ switch (ch) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ return (byte)(ch - '0');
+
+ case 'a':
+ case 'A':
+ return 0xa;
+
+ case 'b':
+ case 'B':
+ return 0xb;
+
+ case 'c':
+ case 'C':
+ return 0xc;
+
+ case 'd':
+ case 'D':
+ return 0xd;
+
+ case 'e':
+ case 'E':
+ return 0xe;
+
+ case 'f':
+ case 'F':
+ return 0xf;
+
+ default:
+ throw new IllegalArgumentException("Hex decoding wrong input character [character=" + ch + ']');
+ }
+ }
+
+ /**
+ * Converts primitive double to byte array.
+ *
+ * @param d Double to convert.
+ * @return Byte array.
+ */
+ public static byte[] doubleToBytes(double d) {
+ return longToBytes(Double.doubleToLongBits(d));
+ }
+
+ /**
+ * Converts primitive {@code double} type to byte array and stores
+ * it in the specified byte array.
+ *
+ * @param d Double to convert.
+ * @param bytes Array of bytes.
+ * @param off Offset.
+ * @return New offset.
+ */
+ public static int doubleToBytes(double d, byte[] bytes, int off) {
+ return longToBytes(Double.doubleToLongBits(d), bytes, off);
+ }
+
+ /**
+ * Converts primitive float to byte array.
+ *
+ * @param f Float to convert.
+ * @return Array of bytes.
+ */
+ public static byte[] floatToBytes(float f) {
+ return intToBytes(Float.floatToIntBits(f));
+ }
+
+ /**
+ * Converts primitive float to byte array.
+ *
+ * @param f Float to convert.
+ * @param bytes Array of bytes.
+ * @param off Offset.
+ * @return New offset.
+ */
+ public static int floatToBytes(float f, byte[] bytes, int off) {
+ return intToBytes(Float.floatToIntBits(f), bytes, off);
+ }
+
+ /**
+ * Converts primitive {@code long} type to byte array.
+ *
+ * @param l Long value.
+ * @return Array of bytes.
+ */
+ public static byte[] longToBytes(long l) {
+ return GridClientByteUtils.longToBytes(l);
+ }
+
+ /**
+ * Converts primitive {@code long} type to byte array and stores it in specified
+ * byte array.
+ *
+ * @param l Long value.
+ * @param bytes Array of bytes.
+ * @param off Offset in {@code bytes} array.
+ * @return Number o
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