Source code

001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.webserver;
020
021import org.apache.reef.runtime.yarn.driver.TrackingURLProvider;
022
023import javax.inject.Inject;
024import java.net.InetAddress;
025import java.net.UnknownHostException;
026import java.util.logging.Level;
027import java.util.logging.Logger;
028
029/**
030 * Http TrackingURLProvider.
031 */
032public final class HttpTrackingURLProvider implements TrackingURLProvider {
033  /**
034   * Standard Java logger.
035   */
036  private static final Logger LOG = Logger.getLogger(HttpTrackingURLProvider.class.getName());
037
038  /**
039   * HttpServer.
040   */
041  private final HttpServer httpServer;
042
043  /**
044   * Constructor of HttpTrackingURLProvider.
045   *
046   * @param httpServer
047   */
048  @Inject
049  public HttpTrackingURLProvider(final HttpServer httpServer) {
050    this.httpServer = httpServer;
051  }
052
053  /**
054   * get tracking URI.
055   *
056   * @return
057   */
058  @Override
059  public String getTrackingUrl() {
060    try {
061      return InetAddress.getLocalHost().getHostAddress() + ":" + httpServer.getPort();
062    } catch (final UnknownHostException e) {
063      LOG.log(Level.WARNING, "Cannot get host address.", e);
064      throw new RuntimeException("Cannot get host address.", e);
065    }
066  }
067}