/*
* Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.protocol.util;
import com.google.common.collect.Lists;
import com.google.common.net.HostAndPort;
import java.net.InetSocketAddress;
import java.util.Arrays;
import java.util.List;
/**
* Created as a util for test tools
*/
public final class InetSocketAddressUtil {
private static final String SEPARATOR = ",";
private InetSocketAddressUtil() {
throw new UnsupportedOperationException();
}
public static List<InetSocketAddress> parseAddresses(final String address, final int defaultPort) {
return Lists.transform(Arrays.asList(address.split(SEPARATOR)), input -> getInetSocketAddress(input, defaultPort));
}
public static List<InetSocketAddress> parseAddresses(final String address) {
return Lists.transform(Arrays.asList(address.split(SEPARATOR)), input -> getInetSocketAddress(input, null));
}
public static HostAndPort toHostAndPort(final InetSocketAddress address) {
return HostAndPort.fromParts(address.getHostString(), address.getPort());
}
public static InetSocketAddress getInetSocketAddress(final String hostPortString, final Integer defaultPort) {
final HostAndPort hostAndPort = HostAndPort.fromString(hostPortString);
if (defaultPort != null) {
return new InetSocketAddress(hostAndPort.getHostText(), hostAndPort.getPortOrDefault(defaultPort));
}
return new InetSocketAddress(hostAndPort.getHostText(), hostAndPort.getPort());
}
public static InetSocketAddress getRandomLoopbackInetSocketAddress(final int port) {
return new InetSocketAddress(getRandomLoopbackIpAddress(), port);
}
public static InetSocketAddress getRandomLoopbackInetSocketAddress() {
return getRandomLoopbackInetSocketAddress(getRandomPort());
}
/**
* Generate a random high range port number
*
* @return A port number range from 20000 to 60000
*/
public static int getRandomPort() {
final int randPort = 20000 + (int) Math.round(40000 * Math.random());
return randPort;
}
/**
* Generate a random loopback ip address
* IP address range: 127.50.50.50 ~ 127.250.250.250
* We did not utilize the whole 127./8 range to avoid using common addresses like 127.0.0.1
* @return Generated random loopback IP address
*/
public static String getRandomLoopbackIpAddress() {
final StringBuilder sb = new StringBuilder("127");
for (int i = 0; i < 3; i++) {
sb.append(".").append(50 + (int) Math.round(Math.random() * 200));
}
return sb.toString();
}
}