Import RMIServerSocketFactoryImp from origin

The RMIServerSocketFactoryImp is the way origin handle local port
configuration.

When used, the jmx can be set to listen on local traffic only.

Signed-off-by: Amnon Heiman <amnon@scylladb.com>
This commit is contained in:
Amnon Heiman 2016-03-01 19:47:55 +02:00
parent 767517f6be
commit 39a19b144d

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@ -0,0 +1,118 @@
/*
* 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.
*/
/*
* Copyright 2016 ScyllaDB
*
* Modified by ScyllaDB
*/
package com.scylladb.jmx.utils;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.net.*;
import java.rmi.registry.LocateRegistry;
import java.rmi.server.RMIServerSocketFactory;
import java.util.HashMap;
import java.util.Map;
import javax.management.remote.JMXConnectorServer;
import javax.management.remote.JMXServiceURL;
import javax.management.remote.rmi.RMIConnectorServer;
import javax.net.ServerSocketFactory;
public class RMIServerSocketFactoryImpl implements RMIServerSocketFactory {
public static JMXConnectorServer jmxServer = null;
public static void maybeInitJmx() {
String jmxPort = System
.getProperty("com.sun.management.jmxremote.port");
if (jmxPort == null) {
System.out.println(
"JMX is not enabled to receive remote connections.");
jmxPort = System.getProperty("cassandra.jmx.local.port", "7199");
String address = System.getProperty("jmx.address", "localhost");
if (address.equals("localhost")) {
System.setProperty("java.rmi.server.hostname",
InetAddress.getLoopbackAddress().getHostAddress());
} else {
try {
System.setProperty("java.rmi.server.hostname",
InetAddress.getByName(address).getHostAddress());
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
try {
RMIServerSocketFactory serverFactory = new RMIServerSocketFactoryImpl();
LocateRegistry.createRegistry(Integer.valueOf(jmxPort), null,
serverFactory);
StringBuffer url = new StringBuffer();
url.append("service:jmx:");
url.append("rmi://").append(address).append("/jndi/");
url.append("rmi://").append(address).append(":").append(jmxPort)
.append("/jmxrmi");
System.out.println(url);
Map env = new HashMap();
env.put(RMIConnectorServer.RMI_SERVER_SOCKET_FACTORY_ATTRIBUTE,
serverFactory);
jmxServer = new RMIConnectorServer(
new JMXServiceURL(url.toString()), env,
ManagementFactory.getPlatformMBeanServer());
jmxServer.start();
} catch (IOException e) {
System.out.println(
"Error starting local jmx server: " + e.toString());
}
} else {
System.out.println(
"JMX is enabled to receive remote connections on port: "
+ jmxPort);
}
}
public ServerSocket createServerSocket(final int pPort) throws IOException {
return ServerSocketFactory.getDefault().createServerSocket(pPort, 0,
InetAddress.getLoopbackAddress());
}
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (obj == this) {
return true;
}
return obj.getClass().equals(getClass());
}
public int hashCode() {
return RMIServerSocketFactoryImpl.class.hashCode();
}
}