| /* |
| * 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.ratis.tools; |
| |
| import org.apache.ratis.proto.RaftProtos.StateMachineLogEntryProto; |
| import org.apache.ratis.proto.RaftProtos.LogEntryProto; |
| import org.apache.ratis.server.RaftServerConfigKeys; |
| import org.apache.ratis.server.raftlog.LogProtoUtils; |
| import org.apache.ratis.server.raftlog.segmented.LogSegmentPath; |
| import org.apache.ratis.server.raftlog.segmented.LogSegment; |
| import org.apache.ratis.util.ReferenceCountedObject; |
| import org.apache.ratis.util.SizeInBytes; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.function.Function; |
| |
| public final class ParseRatisLog { |
| |
| private final File file; |
| private final Function<StateMachineLogEntryProto, String> smLogToString; |
| private final SizeInBytes maxOpSize; |
| |
| private long numConfEntries; |
| private long numMetadataEntries; |
| private long numStateMachineEntries; |
| private long numInvalidEntries; |
| |
| private ParseRatisLog(File f , Function<StateMachineLogEntryProto, String> smLogToString, SizeInBytes maxOpSize) { |
| this.file = f; |
| this.smLogToString = smLogToString; |
| this.maxOpSize = maxOpSize; |
| this.numConfEntries = 0; |
| this.numMetadataEntries = 0; |
| this.numStateMachineEntries = 0; |
| this.numInvalidEntries = 0; |
| } |
| |
| public void dumpSegmentFile() throws IOException { |
| final LogSegmentPath pi = LogSegmentPath.matchLogSegment(file.toPath()); |
| if (pi == null) { |
| System.out.println("Invalid segment file"); |
| return; |
| } |
| |
| System.out.println("Processing Raft Log file: " + file.getAbsolutePath() + " size:" + file.length()); |
| final int entryCount = LogSegment.readSegmentFile(file, pi.getStartEnd(), maxOpSize, |
| RaftServerConfigKeys.Log.CorruptionPolicy.EXCEPTION, null, this::processLogEntry); |
| System.out.println("Num Total Entries: " + entryCount); |
| System.out.println("Num Conf Entries: " + numConfEntries); |
| System.out.println("Num Metadata Entries: " + numMetadataEntries); |
| System.out.println("Num StateMachineEntries Entries: " + numStateMachineEntries); |
| System.out.println("Num Invalid Entries: " + numInvalidEntries); |
| } |
| |
| |
| private void processLogEntry(ReferenceCountedObject<LogEntryProto> ref) { |
| final LogEntryProto proto = ref.retain(); |
| if (proto.hasConfigurationEntry()) { |
| numConfEntries++; |
| } else if (proto.hasMetadataEntry()) { |
| numMetadataEntries++; |
| } else if (proto.hasStateMachineLogEntry()) { |
| numStateMachineEntries++; |
| } else { |
| System.out.println("Found an invalid entry: " + proto); |
| numInvalidEntries++; |
| } |
| |
| String str = LogProtoUtils.toLogEntryString(proto, smLogToString); |
| System.out.println(str); |
| ref.release(); |
| } |
| |
| public static class Builder { |
| private File file = null; |
| private Function<StateMachineLogEntryProto, String> smLogToString = null; |
| private SizeInBytes maxOpSize = SizeInBytes.valueOf("32MB"); |
| |
| public Builder setMaxOpSize(SizeInBytes maxOpSize) { |
| this.maxOpSize = maxOpSize; |
| return this; |
| } |
| |
| public Builder setSegmentFile(File segmentFile) { |
| this.file = segmentFile; |
| return this; |
| } |
| |
| public Builder setSMLogToString(Function<StateMachineLogEntryProto, String> smLogToStr) { |
| this.smLogToString = smLogToStr; |
| return this; |
| } |
| |
| public ParseRatisLog build() { |
| return new ParseRatisLog(file, smLogToString, maxOpSize); |
| } |
| } |
| } |