content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.hadoop.chukwa.util;
  
  
  import java.util.Random;
  import org.apache.hadoop.chukwa.ChunkImpl;
  import org.apache.hadoop.chukwa.datacollection.*;
  import org.apache.hadoop.chukwa.datacollection.agent.AdaptorManager;
  import org.apache.hadoop.chukwa.datacollection.adaptor.*;
  
  public class MaxRateSender extends Thread implements Adaptor {
  
    public static final int BUFFER_SIZE = 60 * 1024;
    public static final String ADAPTOR_NAME = "MaxRateSender";
  
    private volatile boolean stopping = false;
    private long offset;
    private String type;
    ChunkReceiver dest;
  
    public String getCurrentStatus() {
      return type;
    }
  
    public void start(String adaptorID, String type, long offset,
        ChunkReceiver dest) throws AdaptorException {
      this.setName("MaxRateSender adaptor");
      this.offset = offset;
      this.type = type;
      this.dest = dest;
      super.start(); // this is a Thread.start
    }
  
    @Override
    public String parseArgs(String d, String s,AdaptorManager c) {
      return s;
    }
  
    public void run() {
      Random r = new Random();
  
      try {
        while (!stopping) {
          byte[] data = new byte[BUFFER_SIZE];
          r.nextBytes(data);
          offset += data.length;
          ChunkImpl evt = new ChunkImpl(type, "random data source", offset, data,
              this);
          dest.add(evt);
  
        }
      } catch (InterruptedException ie) {
      }
    }
  
    public String toString() {
      return ADAPTOR_NAME;
    }
  
  
    @Override
    public long shutdown(AdaptorShutdownPolicy shutdownPolicy) {
      stopping = true;
      return offset;
    }
    
    @Override
    public String getType() {
      return type;
    }
  
  }
  