org.kurento.commons.net.RemoteService Maven / Gradle / Ivy

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package org.kurento.commons.net;

import java.io.IOException;
import java.net.ConnectException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class RemoteService {

  public static void waitForReady(String host, int port, int time, TimeUnit unit)
      throws UnknownHostException, IOException, TimeoutException {

    long maxTime = System.currentTimeMillis() + unit.toMillis(time);

    while (true) {
      try {
        Socket client = new Socket(host, port);
        client.close();
        break;
      } catch (ConnectException ce) {

        if (System.currentTimeMillis() > maxTime) {
          throw new TimeoutException();
        }

        try {
          Thread.sleep(100);
        } catch (InterruptedException e) {
          // Intentionally left blank
        }
      }
    }
  }

}