diff --git a/src/main/java/com/scylladb/jmx/utils/RMIServerSocketFactoryImpl.java b/src/main/java/com/scylladb/jmx/utils/RMIServerSocketFactoryImpl.java new file mode 100644 index 0000000..3135d34 --- /dev/null +++ b/src/main/java/com/scylladb/jmx/utils/RMIServerSocketFactoryImpl.java @@ -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(); + } + +}