examples/cpp/mc-electric-fence/s4u-mc-electric-fence.cpp

   1 /* Copyright (c) 2013-2022. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 /******************** Non-deterministic message ordering  *********************/
   7 /* This example implements one actor which receives messages from two other   */
   8 /* actors. There is no bug on it, it is just provided to test the soundness   */
   9 /* of the state space reduction with DPOR, if the maximum depth (defined with */
  10 /* --cfg=model-check/max-depth:) is reached.                                  */
  11 /******************************************************************************/
  12
  13 #include <simgrid/modelchecker.h>
  14 #include <simgrid/s4u.hpp>
  15
  16 XBT_LOG_NEW_DEFAULT_CATEGORY(electric_fence, "Example to check the soundness of DPOR");
  17
  18 namespace sg4 = simgrid::s4u;
  19
  20 static void server()
  21 {
  22   int* data1                  = nullptr;
  23   int* data2                  = nullptr;
  24   sg4::CommPtr comm_received1 = sg4::Mailbox::by_name("mymailbox")->get_async<int>(&data1);
  25   sg4::CommPtr comm_received2 = sg4::Mailbox::by_name("mymailbox")->get_async<int>(&data2);
  26
  27   comm_received1->wait();
  28   comm_received2->wait();
  29
  30   XBT_INFO("OK");
  31   delete data1;
  32   delete data2;
  33 }
  34
  35 static void client(int id)
  36 {
  37   auto* payload = new int(id);
  38   sg4::Mailbox::by_name("mymailbox")->put(payload, 10000);
  39   XBT_INFO("Sent!");
  40 }
  41
  42 int main(int argc, char* argv[])
  43 {
  44   sg4::Engine e(&argc, argv);
  45
  46   e.load_platform(argv[1]);
  47
  48   sg4::Actor::create("server", e.host_by_name("HostA"), server);
  49   sg4::Actor::create("client", e.host_by_name("HostB"), client, 1);
  50   sg4::Actor::create("client", e.host_by_name("HostC"), client, 2);
  51
  52   e.run();
  53   return 0;
  54 }