+ * 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.iotdb.db.storageengine.dataregion.wal.utils; + +import org.apache.iotdb.db.storageengine.dataregion.wal.buffer.WALEntry; +import org.apache.iotdb.db.storageengine.dataregion.wal.io.WALReader; + +import java.io.File; +import java.io.IOException; +import java.util.Stack; + +public class WALPrintTool { + + public void print(File file) throws IOException { + Stack stack = new Stack<>(); + if (file.exists()) { + stack.push(file); + } else { + System.out.println("The initial file does not exist"); + } + + while (!stack.isEmpty()) { + File f = stack.pop(); + if (f.isDirectory()) { + File[] files = f.listFiles(); + if (files != null) { + for (File child : files) { + stack.push(child); + } + } + } else if (f.getName().endsWith(".wal")) { + doPrint(f); + } + } + } + + private void doPrint(File file) throws IOException { + System.out.printf("-----------------%s---------------%n", file.getAbsoluteFile()); + try (WALReader reader = new WALReader(file)) { + long walCurrentReadOffset = reader.getWALCurrentReadOffset(); + while (reader.hasNext()) { + WALEntry entry = reader.next(); + System.out.printf("%d\t%s%n", walCurrentReadOffset, entry.toString()); + walCurrentReadOffset = reader.getWALCurrentReadOffset(); + } + } + } + + public static void main(String[] args) throws IOException { + if (args.length == 0) { + System.out.println("Usage: WALPrintTool "); + return; + } + + WALPrintTool tool = new WALPrintTool(); + tool.print(new File(args[0])); + } +} diff --git a/scripts/tools/wal/print-wal.sh b/scripts/tools/wal/print-wal.sh new file mode 100644 index 000000000000..1aa396d4fd55 --- /dev/null +++ b/scripts/tools/wal/print-wal.sh @@ -0,0 +1,52 @@ +#!/bin/bash +# +# 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. +# + +echo --------------------- +echo Starting Printing the WAL +echo --------------------- + +source "$(dirname "$0")/../../conf/iotdb-common.sh" +#get_iotdb_include and checkAllVariables is in iotdb-common.sh +VARS=$(get_iotdb_include "$*") +checkAllVariables +export IOTDB_HOME="${IOTDB_HOME}/.." +eval set -- "$VARS" + + +if [ -n "$JAVA_HOME" ]; then + for java in "$JAVA_HOME"/bin/amd64/java "$JAVA_HOME"/bin/java; do + if [ -x "$java" ]; then + JAVA="$java" + break + fi + done +else + JAVA=java +fi + +CLASSPATH="" +for f in ${IOTDB_HOME}/lib/*.jar; do + CLASSPATH=${CLASSPATH}":"$f +done + +MAIN_CLASS=org.apache.iotdb.db.storageengine.dataregion.wal.utils.WALPrintTool + +"$JAVA" -cp "$CLASSPATH" "$MAIN_CLASS" "$@" +exit $? \ No newline at end of file diff --git a/scripts/tools/windows/wal/print-wal.bat b/scripts/tools/windows/wal/print-wal.bat new file mode 100644 index 000000000000..a13c42827da1 --- /dev/null +++ b/scripts/tools/windows/wal/print-wal.bat @@ -0,0 +1,67 @@ +@REM +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM + + +@echo off +echo ```````````````````````` +echo Starting Printing the WAL +echo ```````````````````````` + +if "%OS%" == "Windows_NT" setlocal + +pushd %~dp0..\..\.. +if NOT DEFINED IOTDB_HOME set IOTDB_HOME=%CD% +popd + +if NOT DEFINED MAIN_CLASS set MAIN_CLASS=org.apache.iotdb.db.storageengine.dataregion.wal.utils.WALPrintTool +if NOT DEFINED JAVA_HOME goto :err + +@REM ----------------------------------------------------------------------------- +@REM JVM Opts +set JAVA_OPTS=-ea^ + -Dfile.encoding=UTF-8 + +@REM ----------------------------------------------------------------------------- +@REM ***** CLASSPATH library setting ***** +@REM Ensure that any user defined CLASSPATH variables are not used on startup +set CLASSPATH="%IOTDB_HOME%\lib\*" + +goto okClasspath + +:append +set CLASSPATH=%CLASSPATH%;%1 +goto :eof + +@REM ----------------------------------------------------------------------------- +:okClasspath + +"%JAVA_HOME%\bin\java" %JAVA_OPTS% -cp "%CLASSPATH%" %MAIN_CLASS% %* + +goto finally + + +:err +echo JAVA_HOME environment variable must be set! +pause + + +@REM ----------------------------------------------------------------------------- +:finally + +ENDLOCAL \ No newline at end of file