Package eu.pursuit.vopsi

Source Code of eu.pursuit.vopsi.PPChannelSender

/*-
* Copyright (C) 2011  Mobile Multimedia Laboratory, AUEB
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of the
* BSD license.
*
* See LICENSE and COPYING for more details.
*/


package eu.pursuit.vopsi;

import java.io.UnsupportedEncodingException;
import java.security.NoSuchAlgorithmException;

import eu.pursuit.client.BlackAdderClient;
import eu.pursuit.core.ByteIdentifier;
import eu.pursuit.core.ItemName;
import eu.pursuit.core.Publication;
import eu.pursuit.core.ScopeID;
import eu.pursuit.core.Strategy;

public class PPChannelSender {

  private ScopeID scope;
  private ByteIdentifier rid;
  private BlackAdderClient ba;
  private ItemName name;

  public PPChannelSender(ScopeID scope, ByteIdentifier rid,
      BlackAdderClient ba) {
    this.scope = scope;
    this.rid = rid;
    this.ba = ba;
    this.name = new ItemName(scope, rid);
    configure();
  }

  public PPChannelSender(String seed, ByteIdentifier rid, BlackAdderClient ba)
      throws UnsupportedEncodingException, NoSuchAlgorithmException {
    this.rid = new ByteIdentifier(Utility.sha1(seed));
    this.scope = new ScopeID();
    scope.addSegment(new ByteIdentifier(Utility.sha1(rid.getId())));
    this.ba = ba;
    configure();
  }

  public void configure() {

    ba.publishRootScope(scope.get(0), Strategy.NODE, null);
    name = new ItemName(scope, rid);
  }

  public void send(byte[] bytes) {

    ba.publishData(new Publication(name, bytes), Strategy.DOMAIN_LOCAL);
  }
}
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