examples/bittorrent/Connection.java

   1 package bittorrent;
   2
   3 import java.util.Arrays;
   4 import org.simgrid.msg.Msg;
   5 public class Connection {
   6         /**
   7          * Remote peer id
   8          */
   9         public int id;
  10         /**
  11          * Remote peer bitfield.
  12          */
  13         public char bitfield[];
  14         /**
  15          * Remote peer mailbox
  16          */
  17         public String mailbox;
  18         /**
  19          * Indicates if we are interested in something this peer has
  20          */
  21         public boolean amInterested = false;
  22         /**
  23          * Indicates if the peer is interested in one of our pieces
  24          */
  25         public boolean interested = false;
  26         /**
  27          * Indicates if the peer is choked for the current peer
  28          */
  29         public boolean chokedUpload = true;
  30         /**
  31          * Indicates if the peer has choked the current peer
  32          */
  33         public boolean chokedDownload = true;
  34         /**
  35          * Number of messages we have received from the peer
  36          */
  37         public int messagesCount = 0;
  38         /**
  39          * Peer speed.
  40          */
  41         public double peerSpeed = 0;
  42         /**
  43          * Last time the peer was unchoked
  44          */
  45         public double lastUnchoke = 0;
  46         /**
  47          * Constructor
  48          */
  49         public Connection(int id) {
  50                 this.id = id;
  51                 this.mailbox = Integer.toString(id);
  52         }
  53         /**
  54          * Add a new value to the peer speed average
  55          */
  56         public void addSpeedValue(double speed) {
  57                 peerSpeed = peerSpeed * 0.55 + speed * 0.45;
  58                 //              peerSpeed = (peerSpeed * messagesCount + speed) / (++messagesCount);
  59         }
  60
  61         @Override
  62         public String toString() {
  63                 return "Connection [id=" + id + ", bitfield="
  64                                 + Arrays.toString(bitfield) + ", mailbox=" + mailbox
  65                                 + ", amInterested=" + amInterested + ", interested="
  66                                 + interested + ", chokedUpload=" + chokedUpload
  67                                 + ", chokedDownload=" + chokedDownload + "]";
  68         }
  69
  70
  71 }
  72