/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002-2006
* Sleepycat Software. All rights reserved.
*
* $Id: DbPrintLog.java,v 1.37 2006/01/03 21:56:02 bostic Exp $
*/
package com.sleepycat.je.util;
import java.io.File;
import java.io.IOException;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.config.EnvironmentParams;
import com.sleepycat.je.dbi.EnvironmentImpl;
import com.sleepycat.je.log.DumpFileReader;
import com.sleepycat.je.log.FileManager;
import com.sleepycat.je.log.PrintFileReader;
import com.sleepycat.je.log.StatsFileReader;
import com.sleepycat.je.tree.Key;
import com.sleepycat.je.utilint.CmdUtil;
import com.sleepycat.je.utilint.DbLsn;
/**
* DbPrintLog is a debugging utility that dumps JE log files into a human
* readable form.
*/
public class DbPrintLog {
/**
* Dump a JE log into human readable form.
*/
private void dump(File envHome,
String entryTypes,
String txnIds,
long startLsn,
long endLsn,
boolean verbose,
boolean stats)
throws IOException, DatabaseException {
EnvironmentImpl env =
CmdUtil.makeUtilityEnvironment(envHome, true);
FileManager fileManager = env.getFileManager();
fileManager.setIncludeDeletedFiles(true);
int readBufferSize =
env.getConfigManager().getInt
(EnvironmentParams.LOG_ITERATOR_READ_SIZE);
// Make a reader.
DumpFileReader reader = null;
if (stats) {
reader = new StatsFileReader(env, readBufferSize, startLsn, endLsn,
entryTypes, txnIds, verbose);
} else {
reader = new PrintFileReader(env, readBufferSize, startLsn,
endLsn, entryTypes, txnIds, verbose);
}
// Enclose the output in a tag to keep proper XML syntax.
System.out.println("<DbPrintLog>");
while (reader.readNextEntry()) {
}
reader.summarize();
System.out.println("</DbPrintLog>");
env.close();
}
/**
* Main
*/
public static void main(String [] argv) {
try {
int whichArg = 0;
String entryTypes = null;
String txnIds = null;
long startLsn = DbLsn.NULL_LSN;
long endLsn = DbLsn.NULL_LSN;
boolean verbose = true;
boolean stats = false;
// default to looking in current directory
File envHome = new File(".");
Key.DUMP_BINARY = true;
while (whichArg < argv.length) {
String nextArg = argv[whichArg];
if (nextArg.equals("-h")) {
whichArg++;
envHome = new File(CmdUtil.getArg(argv, whichArg));
} else if (nextArg.equals("-ty")) {
whichArg++;
entryTypes = CmdUtil.getArg(argv, whichArg);
} else if (nextArg.equals("-tx")) {
whichArg++;
txnIds = CmdUtil.getArg(argv, whichArg);
} else if (nextArg.equals("-s")) {
whichArg++;
long startFileNum =
CmdUtil.readLongNumber(CmdUtil.getArg(argv, whichArg));
startLsn = DbLsn.makeLsn(startFileNum, 0);
} else if (nextArg.equals("-e")) {
whichArg++;
long endFileNum =
CmdUtil.readLongNumber(CmdUtil.getArg(argv, whichArg));
endLsn = DbLsn.makeLsn(endFileNum, 0);
} else if (nextArg.equals("-k")) {
whichArg++;
String dumpType = CmdUtil.getArg(argv, whichArg);
if (dumpType.equalsIgnoreCase("text")) {
Key.DUMP_BINARY = false;
}
} else if (nextArg.equals("-q")) {
whichArg++;
verbose = false;
} else if (nextArg.equals("-S")) {
whichArg++;
stats = true;
} else {
System.err.println
(nextArg + " is not a supported option.");
usage();
System.exit(-1);
}
whichArg++;
}
DbPrintLog printer = new DbPrintLog();
printer.dump(envHome, entryTypes, txnIds,
startLsn, endLsn, verbose, stats);
} catch (Throwable e) {
e.printStackTrace();
System.out.println(e.getMessage());
usage();
System.exit(1);
}
}
private static void usage() {
System.out.println("Usage: " +
CmdUtil.getJavaCommand(DbPrintLog.class));
System.out.println(" -h <envHomeDir>");
System.out.println(" -e <end file number, in hex>");
System.out.println(" -k <binary|text> (format for dumping the key)");
System.out.println(" -s <start file number, in hex>");
System.out.println(" -tx <targetted txn ids, comma separated>");
System.out.println(" -ty <targetted entry types, comma separated>");
System.out.println(" -S show Summary of log entries");
System.out.println(" -q if specified, concise version is printed");
System.out.println(" Default is verbose version.)");
System.out.println("All arguments are optional");
}
}