/**
* 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.cassandra.tools;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.RandomAccessFile;
import org.apache.cassandra.db.Row;
import org.apache.cassandra.db.Table;
import org.apache.cassandra.net.EndPoint;
import org.apache.cassandra.service.StorageService;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.LogUtil;
public class KeyChecker
{
private static final int bufSize_ = 128*1024*1024;
/*
* This function checks if the local storage endpoint
* is reponsible for storing this key .
*/
private static boolean checkIfProcessKey(String key)
{
EndPoint[] endPoints = StorageService.instance().getNStorageEndPoint(key);
EndPoint localEndPoint = StorageService.getLocalStorageEndPoint();
for(EndPoint endPoint : endPoints)
{
if(endPoint.equals(localEndPoint))
return true;
}
return false;
}
public static void main(String[] args) throws Throwable
{
if ( args.length != 1 )
{
System.out.println("Usage : java com.facebook.infrastructure.tools.KeyChecker <file containing all keys>");
System.exit(1);
}
LogUtil.init();
StorageService s = StorageService.instance();
s.start();
/* Sleep for proper discovery */
Thread.sleep(240000);
/* Create the file for the missing keys */
RandomAccessFile raf = new RandomAccessFile( "Missing-" + FBUtilities.getHostAddress() + ".dat", "rw");
/* Start reading the file that contains the keys */
BufferedReader bufReader = new BufferedReader( new InputStreamReader( new FileInputStream(args[0]) ), KeyChecker.bufSize_ );
String key = null;
boolean bStarted = false;
while ( ( key = bufReader.readLine() ) != null )
{
if ( !bStarted )
{
bStarted = true;
System.out.println("Started the processing of the file ...");
}
key = key.trim();
if ( StorageService.instance().isPrimary(key) )
{
System.out.println("Processing key " + key);
Row row = Table.open("Mailbox").getRow(key, "MailboxMailList0");
if ( row.isEmpty() )
{
System.out.println("MISSING KEY : " + key);
raf.write(key.getBytes());
raf.write(System.getProperty("line.separator").getBytes());
}
}
}
System.out.println("DONE checking keys ...");
raf.close();
}
}