Esempio n. 1
0
  /**
   * Initializes the state of this node system. This includes generating and connecting the nodes in
   * the system.
   */
  public void initialize() {
    // Determine the number of nodes in the network
    int numNodes = rand.nextInt(MAX_NUM_NODES + 1);
    while (numNodes < MIN_NUM_NODES) numNodes = rand.nextInt(MAX_NUM_NODES + 1);

    System.out.println("Number of nodes: " + numNodes);

    // Create the nodes
    for (int i = 0; i < numNodes; i++) {
      Node node = new Node(new EmptyStrategy(), SystemTime.getTime());

      // TODO
      // Determine this node's peer table size
      node.setPeerTableSize(10);
      nodes.add(node);
    }

    // Randomly connect nodes
    for (Node node : nodes) {
      for (int index = 0; index < node.getPeerTableSize(); index++) {
        // Find a random node not in this node's peer table
        int nextNeighbor = rand.nextInt(nodes.size());

        // Peer should not know the neighbor and the neighbor should
        // be this peer
        while (node.knowsPeer(nextNeighbor) || nextNeighbor == node.getID()) {
          nextNeighbor = rand.nextInt(nodes.size());
        }

        node.setPeer(index, nodes.get(nextNeighbor));
      }
    }
  }
Esempio n. 2
0
  /** Infect a random node with this strategy. */
  public void infect(StructureStrategy strategy) {
    int infectedPeer = rand.nextInt(nodes.size());
    System.out.println("Infecting peer: " + infectedPeer);

    nodes.get(infectedPeer).setStrategy(strategy, SystemTime.getTime());
  }