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/*
* RMIMultiHomedServerSocketFactory.java
* Indentation Information:
* 0. Please (try to) preserve these settings.
* 1. No tabs are used, all spaces.
* 2. In vi/vim -
* :set tabstop=4 :set shiftwidth=4 :set softtabstop=4
* 3. In S1 Studio -
* 1. Tools->Options->Editor Settings->Java Editor->Tab Size = 4
* 2. Tools->Options->Indentation Engines->Java Indentation Engine->Expand Tabs to Spaces = True.
* 3. Tools->Options->Indentation Engines->Java Indentation Engine->Number of Spaces per Tab = 4.
* Unit Testing Information:
* 0. Is Standard Unit Test Written (y/n):
* 1. Unit Test Location: (The instructions should be in the Unit Test Class itself).
*/
package com.sun.enterprise.admin.server.core.jmx.nonssl;
import com.sun.enterprise.config.serverbeans.AdminService;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.ServerBeansFactory;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.JmxConnector;
import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.server.ServerContext;
import java.rmi.server.RMIServerSocketFactory;
import java.net.ServerSocket;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.rmi.server.RMIServerSocketFactory;
import java.security.SecureRandom;
import javax.management.remote.JMXConnector;
/** This is the custom RMI server socket factory that helps bind RMI servers to a specific
* IP interface as has been specified in the domain->config->admin-service->jmx-connector->address
* in domain.xml. In the absence of a specific entry, the default RMI behavior of binding to all
* IP interfaces on the host is observed.
* @author Nandini.Ektare@sun.com
* @since Sun Java System Application Server 8.1 UR 2
*/
public class RMIMultiHomedServerSocketFactory implements RMIServerSocketFactory {
private static final String DEFAULT_ADDRESS = "0.0.0.0";
private final String address;
public RMIMultiHomedServerSocketFactory(String host) {
address = host;
/*ServerContext serverCtx = ApplicationServer.getServerContext();
if (serverCtx != null) {
try {
ConfigContext configCtx = serverCtx.getConfigContext();
Config config = ServerBeansFactory.getConfigBean(configCtx);
AdminService as = config.getAdminService();
JmxConnector[] jc = as.getJmxConnector();
address = jc[0].getAddress();
} catch (ConfigException ex) {
return null;
}
}*/
}
/** Implementation of the only method in {@link RMIServerSocketFactory}. This
* method is called for creating the server socket.
* @return instance of ServerSocket
*/
public ServerSocket createServerSocket(int port) throws IOException {
try {
InetAddress bindAddress = null;
ServerSocket ss = null;
if (address.equals(DEFAULT_ADDRESS))
ss = new ServerSocket(port);
else {
bindAddress = InetAddress.getByName(address);
ss = new ServerSocket(port, 0, bindAddress);
}
debug(ss);
return (ss);
} catch (Exception e) {
throw new IOException(e.getMessage());
}
}
public int
hashCode() {
return super.hashCode() ^ address.hashCode();
}
/**
* Overriding the base class method here to ensure that when a functionally
* equivalent instance of server socket factory is passed, the same factory
* is reused instead of creating new objects
*/
public boolean equals(Object anotherFactory) {
if (anotherFactory != null &&
anotherFactory.getClass().equals(this.getClass())) {
RMIMultiHomedServerSocketFactory rmhssf =
(RMIMultiHomedServerSocketFactory) anotherFactory;
if (this.address == null && rmhssf.address == null) return true;
if (this.address == null ^ rmhssf.address == null) return false;
return this.address.equals(rmhssf.address);
}
return false;
}
private void debug (ServerSocket sss) {
// prints the debug information - suppress after beta
String prefix = "RMI/TLS Server Debug Message: " ;
boolean DEBUG = Boolean.getBoolean("Debug");
if (sss != null) {
if (DEBUG) {
System.out.println(prefix + "ServerSocket local port = " + sss.getLocalPort());
System.out.println(prefix + "ServerSocket host address = " + sss.getInetAddress().getHostAddress());
System.out.println(prefix + "ServerSocket bound status = " + sss.isBound());
}
}
else {
System.out.println(prefix + " Catastrophe: no server socket");
}
}
}
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