Android Open Source - ubihelper Fragment

From Project

Back to project page ubihelper.

License

The source code is released under:

GNU General Public License

If you think the Android project ubihelper listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/**
 * Copyright (c) 2012 The University of Nottingham
 * /*  ww w  .  j a v  a2  s  . c  o m*/
 * This file is part of ubihelper
 *
 *  ubihelper is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  ubihelper is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with ubihelper. If not, see <http://www.gnu.org/licenses/>.
 *  
 *  @author Chris Greenhalgh (cmg@cs.nott.ac.uk), The University of Nottingham
 */
package uk.ac.horizon.ubihelper.net;

import java.util.Arrays;
import java.util.Comparator;

import uk.ac.horizon.ubihelper.net.Message.Type;

/** peer network "link-layer" like fragment */
public class Fragment {
  public Message.Type messagetype;
  public byte flags;
  /** message ID, note only 16 transfered, but unsigned */
  public int messageid;
  /** fragment ID, note only 16 transfered, but unsigned */
  public int fragmentid;
  /** fragment payload length, note only 16 transfered, but unsigned */
  public int length;
  /** payload data array - length is payload */
  public byte payload[];
  /** payload data offset - may be zero for dedicated buffer */
  public int offset;
  /** priority (send-only) - as far as possible messages and fragments will be offered to the network in priority order.
   * 0 (default) is low. 
   */
  public int priority;
  
  public Fragment() {}

  /**
   * @param messagetype
   * @param flags
   * @param messageid
   * @param fragmentid
   * @param length
   * @param payload
   * @param offset
   */
  public Fragment(Type messagetype, byte flags, int messageid,
      int fragmentid, int length, byte[] payload, int offset) {
    super();
    this.messagetype = messagetype;
    this.flags = flags;
    this.messageid = messageid;
    this.fragmentid = fragmentid;
    this.length = length;
    this.payload = payload;
    this.offset = offset;
  }

  /**
   * @param messagetype
   * @param flags
   * @param messageid
   * @param fragmentid
   * @param length
   */
  public Fragment(Type messagetype, byte flags, int messageid,
      int fragmentid, int length) {
    super();
    this.messagetype = messagetype;
    this.flags = flags;
    this.messageid = messageid;
    this.fragmentid = fragmentid;
    this.length = length;
  };
  
  /* (non-Javadoc)
   * @see java.lang.Object#toString()
   */
  @Override
  public String toString() {
    return "Fragment [messagetype=" + messagetype + ", flags=" + flags
        + ", messageid=" + messageid + ", fragmentid=" + fragmentid
        + ", length=" + length +/* ", payload="
        + Arrays.toString(payload) +*/ ", offset=" + offset
        + ", priority=" + priority + "]";
  }

  static class PriorityComparator implements Comparator<Fragment> {
    public int compare(Fragment f1, Fragment f2) {
      return new Integer(f1.priority).compareTo(f2.priority);
    }    
  }
}

Java Source Code List