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         connection_t connection = xbt_new(s_connection_t,1);
  13
  14         connection->id = id;
  15         connection->mailbox = bprintf("%d",id);
  16         connection->bitfield = NULL;
  17         connection->interested = 0;
  18         connection->am_interested = 0;
  19         connection->choked_upload = 1;
  20         connection->choked_download = 1;
  21         connection->peer_speed = 0;
  22         connection->last_unchoke = 0;
  23
  24         return connection;
  25 }
  26 void connection_add_speed_value(connection_t connection, double speed) {
  27   connection->peer_speed = connection->peer_speed * 0.6 + speed * 0.4;
  28 }
  29 void connection_free(void *data) {
  30         connection_t co = (connection_t)data;
  31         xbt_free(co->bitfield);
  32         xbt_free(co->mailbox);
  33         xbt_free(co);
  34
  35 }