examples/msg/bittorrent/connection.c

   1   /* Copyright (c) 2012. The SimGrid Team.
   2    * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6 #include "connection.h"
   7 #include "bittorrent.h"
   8 #include <xbt/sysdep.h>
   9 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg_peers);
  10
  11 connection_t connection_new(int id)
  12 {
  13   connection_t connection = xbt_new(s_connection_t, 1);
  14
  15   connection->id = id;
  16   connection->mailbox = bprintf("%d", id);
  17   connection->bitfield = NULL;
  18   connection->interested = 0;
  19   connection->am_interested = 0;
  20   connection->choked_upload = 1;
  21   connection->choked_download = 1;
  22   connection->peer_speed = 0;
  23   connection->last_unchoke = 0;
  24
  25   return connection;
  26 }
  27
  28 void connection_add_speed_value(connection_t connection, double speed)
  29 {
  30   connection->peer_speed = connection->peer_speed * 0.6 + speed * 0.4;
  31 }
  32
  33 void connection_free(void *data)
  34 {
  35   connection_t co = (connection_t) data;
  36   xbt_free(co->bitfield);
  37   xbt_free(co->mailbox);
  38   xbt_free(co);
  39
  40 }