package org.apache.cassandra.locator;

/*
 *
 * 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.
 *
 */

import java.lang.management.ManagementFactory;
import java.net.InetAddress;
import java.net.UnknownHostException;
import javax.management.MBeanServer;
import javax.management.ObjectName;

import org.apache.cassandra.config.DatabaseDescriptor;

public class EndpointSnitchInfo implements EndpointSnitchInfoMBean
{
    public static void create()
    {
        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        try
        {
            mbs.registerMBean(new EndpointSnitchInfo(), new ObjectName("org.apache.cassandra.db:type=EndpointSnitchInfo"));
        }
        catch (Exception e)
        {
            throw new RuntimeException(e);
        }
    }

    public String getDatacenter(String host) throws UnknownHostException
    {
        return DatabaseDescriptor.getEndpointSnitch().getDatacenter(InetAddress.getByName(host));
    }

    public String getRack(String host) throws UnknownHostException
    {
        return DatabaseDescriptor.getEndpointSnitch().getRack(InetAddress.getByName(host));
    }
}