examples/msg/bittorrent/connection.c

   1   /* Copyright (c) 2012-2013. 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->current_piece = -1;
  19   connection->interested = 0;
  20   connection->am_interested = 0;
  21   connection->choked_upload = 1;
  22   connection->choked_download = 1;
  23   connection->peer_speed = 0;
  24   connection->last_unchoke = 0;
  25
  26   return connection;
  27 }
  28
  29 void connection_add_speed_value(connection_t connection, double speed)
  30 {
  31   connection->peer_speed = connection->peer_speed * 0.6 + speed * 0.4;
  32 }
  33
  34 void connection_free(void *data)
  35 {
  36   connection_t co = (connection_t) data;
  37   xbt_free(co->bitfield);
  38   xbt_free(co->mailbox);
  39   xbt_free(co);
  40
  41 }