Package org.apache.zookeeper.server

Source Code of org.apache.zookeeper.server.LogFormatter

/**
* 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.zookeeper.server;

import java.io.ByteArrayInputStream;
import java.io.EOFException;
import java.io.FileInputStream;
import java.text.DateFormat;
import java.util.Date;

import org.apache.log4j.Logger;

import org.apache.jute.BinaryInputArchive;
import org.apache.jute.InputArchive;
import org.apache.zookeeper.txn.TxnHeader;

public class LogFormatter {
    private static final Logger LOG = Logger.getLogger(LogFormatter.class);

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception {
        if (args.length != 1) {
            System.err.println("USAGE: LogFormatter log_file");
            System.exit(2);
        }
        FileInputStream fis = new FileInputStream(args[0]);
        BinaryInputArchive logStream = BinaryInputArchive.getArchive(fis);
        while (true) {
            byte[] bytes = logStream.readBuffer("txnEntry");
            if (bytes.length == 0) {
                // Since we preallocate, we define EOF to be an
                // empty transaction
                throw new EOFException();
            }
            InputArchive ia = BinaryInputArchive
                    .getArchive(new ByteArrayInputStream(bytes));
            TxnHeader hdr = new TxnHeader();
            hdr.deserialize(ia, "hdr");
            System.out.println(DateFormat.getDateTimeInstance(DateFormat.SHORT,
                    DateFormat.LONG).format(new Date(hdr.getTime()))
                    + " session 0x"
                    + Long.toHexString(hdr.getClientId())
                    + ":"
                    + hdr.getCxid()
                    + " zxid 0x"
                    + Long.toHexString(hdr.getZxid())
                    + " " + TraceFormatter.op2String(hdr.getType()));
            if (logStream.readByte("EOR") != 'B') {
                LOG.error("Last transaction was partial.");
                throw new EOFException();
            }
        }
    }
}
TOP

Related Classes of org.apache.zookeeper.server.LogFormatter

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.