/*
* Copyright 2000-2007 JetBrains s.r.o.
*
* 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 com.intellij.util.net;
import com.intellij.openapi.diagnostic.Logger;
import java.io.IOException;
import java.net.ServerSocket;
/**
* @author yole
*/
public class NetUtils {
private static final Logger LOG = Logger.getInstance("#com.intellij.util.net.NetUtils");
private NetUtils() {
}
public static int findAvailableSocketPort() throws IOException {
final ServerSocket serverSocket = new ServerSocket(0);
int port = serverSocket.getLocalPort();
//workaround for linux : calling close() immediately after opening socket
//may result that socket is not closed
synchronized(serverSocket) {
try {
serverSocket.wait(1);
}
catch (InterruptedException e) {
LOG.error(e);
}
}
serverSocket.close();
return port;
}
}