examples/msg/chainsend/broadcaster.h

   1 /* Copyright (c) 2012-2015. 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
   7 #ifndef BROADCASTER_H
   8 #define BROADCASTER_H
   9
  10 #include "xbt/dynar.h"
  11 #include "messages.h"
  12 #include "iterator.h"
  13 #include "common.h"
  14
  15 /* Connection parameters */
  16 #define MAX_PENDING_SENDS 10
  17
  18 /* Default values for the ``file'' details */
  19 #define PIECE_SIZE 65536
  20 #define PIECE_COUNT 16384
  21
  22 /* Broadcaster struct */
  23 typedef struct s_broadcaster {
  24   const char *first;
  25   int piece_count;
  26   int current_piece;
  27   xbt_dynar_t host_list;
  28   xbt_dynar_iterator_t it;
  29   int max_pending_sends;
  30   xbt_dynar_t pending_sends;
  31 } s_broadcaster_t, *broadcaster_t;
  32
  33 xbt_dynar_t build_hostlist_from_hostcount(int hostcount);
  34
  35 /* Broadcaster: helper functions */
  36 broadcaster_t broadcaster_init(xbt_dynar_t host_list, unsigned int piece_count);
  37 int broadcaster_build_chain(broadcaster_t bc);
  38 int broadcaster_send_file(broadcaster_t bc);
  39
  40 /* Tasks */
  41 int broadcaster(int argc, char *argv[]);
  42
  43 #endif /* BROADCASTER_H */