3fe9cfc232
I.e. our localhost might be (and probably is) different from scyllas "fb::broadcast", and if not, try to get numerical asap.
95 lines
3.2 KiB
Java
95 lines
3.2 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.cassandra.locator;
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import static java.util.Collections.singletonMap;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.logging.Logger;
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import javax.ws.rs.core.MultivaluedHashMap;
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import javax.ws.rs.core.MultivaluedMap;
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import com.scylladb.jmx.api.APIClient;
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import com.scylladb.jmx.metrics.APIMBean;
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public class EndpointSnitchInfo extends APIMBean implements EndpointSnitchInfoMBean {
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public static final String MBEAN_NAME = "org.apache.cassandra.db:type=EndpointSnitchInfo";
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private static final Logger logger = Logger.getLogger(EndpointSnitchInfo.class.getName());
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public EndpointSnitchInfo(APIClient c) {
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super(c);
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}
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public void log(String str) {
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logger.finest(str);
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}
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/**
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* Provides the Rack name depending on the respective snitch used, given the
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* host name/ip
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*
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* @param host
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* @throws UnknownHostException
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*/
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@Override
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public String getRack(String host) throws UnknownHostException {
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log("getRack(String host) throws UnknownHostException");
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MultivaluedMap<String, String> queryParams = host != null ? new MultivaluedHashMap<String, String>(
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singletonMap("host", InetAddress.getByName(host).getHostAddress())) : null;
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return client.getStringValue("/snitch/rack", queryParams, 10000);
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}
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/**
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* Provides the Datacenter name depending on the respective snitch used,
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* given the hostname/ip
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*
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* @param host
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* @throws UnknownHostException
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*/
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@Override
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public String getDatacenter(String host) throws UnknownHostException {
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log(" getDatacenter(String host) throws UnknownHostException");
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MultivaluedMap<String, String> queryParams = host != null ? new MultivaluedHashMap<String, String>(
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singletonMap("host", InetAddress.getByName(host).getHostAddress())) : null;
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return client.getStringValue("/snitch/datacenter", queryParams, 10000);
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}
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/**
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* Provides the snitch name of the cluster
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*
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* @return Snitch name
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*/
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@Override
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public String getSnitchName() {
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log(" getSnitchName()");
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return client.getStringValue("/snitch/name");
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}
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@Override
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public String getRack() {
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return client.getStringValue("/snitch/rack", null, 10000);
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}
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@Override
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public String getDatacenter() {
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return client.getStringValue("/snitch/datacenter", null, 10000);
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}
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}
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