/*
* Copyright 2013 The Regents of The University California
*
* Licensed 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.
*/
package edu.berkeley.sparrow.daemon.util;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import org.apache.commons.configuration.Configuration;
import edu.berkeley.sparrow.daemon.SparrowConf;
import edu.berkeley.sparrow.thrift.THostPort;
public class Network {
public static THostPort socketAddressToThrift(InetSocketAddress address) {
return new THostPort(address.getAddress().getHostAddress(), address.getPort());
}
/** Return the hostname of this machine, based on configured value, or system
* Interrogation. */
public static String getHostName(Configuration conf) {
String defaultHostname = null;
try {
defaultHostname = InetAddress.getLocalHost().getHostName();
} catch (UnknownHostException e) {
defaultHostname = "localhost";
}
return conf.getString(SparrowConf.HOSTNAME, defaultHostname);
}
/**
* Return the IP address of this machine, as determined from the hostname
* specified in configuration or from querying the machine.
*/
public static String getIPAddress(Configuration conf) {
String hostname = getHostName(conf);
try {
return InetAddress.getByName(hostname).getHostAddress();
} catch (UnknownHostException e) {
return "IP UNKNOWN";
}
}
}