| /* |
| * 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 java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Date; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.concurrent.ConcurrentLinkedDeque; |
| import java.util.concurrent.atomic.AtomicLong; |
| import org.apache.ignite.IgniteLogger; |
| import org.apache.ignite.IgniteSystemProperties; |
| import org.apache.ignite.internal.util.tostring.GridToStringExclude; |
| import org.apache.ignite.internal.util.typedef.internal.A; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| import static org.apache.ignite.IgniteSystemProperties.IGNITE_EXCEPTION_REGISTRY_MAX_SIZE; |
| |
| /** |
| * Utility to collect suppressed errors within internal code. |
| */ |
| public class IgniteExceptionRegistry { |
| /** */ |
| public static final int DEFAULT_QUEUE_SIZE = 1000; |
| |
| /** */ |
| private static final IgniteExceptionRegistry instance = new IgniteExceptionRegistry(); |
| |
| /** */ |
| private int maxSize = IgniteSystemProperties.getInteger(IGNITE_EXCEPTION_REGISTRY_MAX_SIZE, DEFAULT_QUEUE_SIZE); |
| |
| /** */ |
| private AtomicLong errCnt = new AtomicLong(); |
| |
| /** */ |
| private final ConcurrentLinkedDeque<ExceptionInfo> q = new ConcurrentLinkedDeque<>(); |
| |
| /** |
| * @return Registry instance. |
| */ |
| public static IgniteExceptionRegistry get() { |
| return instance; |
| } |
| |
| /** |
| * |
| */ |
| private IgniteExceptionRegistry() { |
| // No-op. |
| } |
| |
| /** |
| * Puts exception into queue. |
| * Thread-safe. |
| * |
| * @param msg Message that describe reason why error was suppressed. |
| * @param e Exception. |
| */ |
| public void onException(String msg, Throwable e) { |
| q.offerFirst( |
| new ExceptionInfo( |
| errCnt.incrementAndGet(), |
| e, |
| msg, |
| Thread.currentThread().getId(), |
| Thread.currentThread().getName(), |
| U.currentTimeMillis())); |
| |
| // Remove extra entries. |
| int delta = q.size() - maxSize; |
| |
| for (int i = 0; i < delta && q.size() > maxSize; i++) |
| q.pollLast(); |
| } |
| |
| /** |
| * Gets suppressed errors. |
| * |
| * @param order Order number to filter errors. |
| * @return List of exceptions that happened after specified order. |
| */ |
| public List<ExceptionInfo> getErrors(long order) { |
| List<ExceptionInfo> errors = new ArrayList<>(); |
| |
| for (ExceptionInfo error : q) { |
| if (error.order > order) |
| errors.add(error); |
| } |
| |
| return errors; |
| } |
| |
| /** |
| * Sets max size. Default value {@link #DEFAULT_QUEUE_SIZE} |
| * |
| * @param maxSize Max size. |
| */ |
| public void setMaxSize(int maxSize) { |
| A.ensure(maxSize > 0, "Max queue size must be greater than 0."); |
| |
| this.maxSize = maxSize; |
| } |
| |
| /** |
| * Prints errors. |
| * |
| * @param log Logger. |
| */ |
| public void printErrors(IgniteLogger log) { |
| int size = q.size(); |
| |
| Iterator<ExceptionInfo> descIter = q.descendingIterator(); |
| |
| for (int i = 0; i < size && descIter.hasNext(); i++) { |
| ExceptionInfo error = descIter.next(); |
| |
| U.error( |
| log, |
| "Error: " + (i + 1) + U.nl() + |
| " Time: " + new Date(error.time()) + U.nl() + |
| " Error: " + error.message() + U.nl() + |
| " Thread ID: " + error.threadId() + U.nl() + |
| " Thread name: " + error.threadName(), |
| error.error() |
| ); |
| } |
| } |
| |
| /** |
| * Errors count. |
| * |
| * @return Errors count. |
| */ |
| public long errorCount() { |
| return errCnt.get(); |
| } |
| |
| /** |
| * Detailed info about suppressed error. |
| */ |
| @SuppressWarnings("PublicInnerClass") |
| public static class ExceptionInfo implements Serializable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private final long order; |
| |
| /** */ |
| @GridToStringExclude |
| private final Throwable error; |
| |
| /** */ |
| private final long threadId; |
| |
| /** */ |
| private final String threadName; |
| |
| /** */ |
| private final long time; |
| |
| /** */ |
| private String msg; |
| |
| /** |
| * Constructor. |
| * |
| * @param order Locally unique ID that is atomically incremented for each new error. |
| * @param error Suppressed error. |
| * @param msg Message that describe reason why error was suppressed. |
| * @param threadId Thread ID. |
| * @param threadName Thread name. |
| * @param time Occurrence time. |
| */ |
| public ExceptionInfo(long order, Throwable error, String msg, long threadId, String threadName, long time) { |
| this.order = order; |
| this.error = error; |
| this.threadId = threadId; |
| this.threadName = threadName; |
| this.time = time; |
| this.msg = msg; |
| } |
| |
| /** |
| * @return Locally unique ID that is atomically incremented for each new error. |
| */ |
| public long order() { |
| return order; |
| } |
| |
| /** |
| * @return Gets message that describe reason why error was suppressed. |
| */ |
| public String message() { |
| return msg; |
| } |
| |
| /** |
| * @return Suppressed error. |
| */ |
| public Throwable error() { |
| return error; |
| } |
| |
| /** |
| * @return Gets thread ID. |
| */ |
| public long threadId() { |
| return threadId; |
| } |
| |
| /** |
| * @return Gets thread name. |
| */ |
| public String threadName() { |
| return threadName; |
| } |
| |
| /** |
| * @return Gets time. |
| */ |
| public long time() { |
| return time; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(ExceptionInfo.class, this); |
| } |
| } |
| } |