| /* |
| * 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.jackrabbit.oak.segment; |
| |
| import static org.apache.jackrabbit.oak.segment.Segment.MAX_SEGMENT_SIZE; |
| |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.util.function.Consumer; |
| |
| import com.google.common.base.Charsets; |
| import org.apache.commons.io.output.WriterOutputStream; |
| import org.apache.jackrabbit.oak.segment.RecordNumbers.Entry; |
| import org.apache.jackrabbit.oak.segment.file.tar.GCGeneration; |
| |
| class SegmentDump { |
| |
| private static int getAddress(int length, int offset) { |
| return length - (MAX_SEGMENT_SIZE - offset); |
| } |
| |
| static String dumpSegment(SegmentId id, int length, String segmentInfo, GCGeneration generation, SegmentReferences segmentReferences, RecordNumbers recordNumbers, Consumer<OutputStream> dumper) { |
| StringWriter string = new StringWriter(); |
| try (PrintWriter writer = new PrintWriter(string)) { |
| writer.format("Segment %s (%d bytes)%n", id, length); |
| if (segmentInfo != null) { |
| writer.format("Info: %s, Generation: %s%n", segmentInfo, generation); |
| } |
| if (id != null && id.isDataSegmentId()) { |
| writer.println("--------------------------------------------------------------------------"); |
| int i = 1; |
| for (SegmentId segmentId : segmentReferences) { |
| writer.format("reference %02x: %s%n", i++, segmentId); |
| } |
| for (Entry entry : recordNumbers) { |
| int offset = entry.getOffset(); |
| writer.format("%10s record %08x: %08x @ %08x%n", |
| entry.getType(), entry.getRecordNumber(), offset, getAddress(length, offset)); |
| } |
| } |
| writer.println("--------------------------------------------------------------------------"); |
| dumper.accept(new WriterOutputStream(writer, Charsets.UTF_8)); |
| writer.println("--------------------------------------------------------------------------"); |
| } |
| return string.toString(); |
| } |
| |
| } |
| |