1 /* Copyright (c) 2017. The SimGrid Team. All rights reserved. */
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. */
7 #include <simgrid/s4u.hpp>
13 XBT_LOG_NEW_DEFAULT_CATEGORY(mwe, "Minimum Working Example");
15 static void receiver()
17 simgrid::s4u::MailboxPtr mymailbox = simgrid::s4u::Mailbox::byName("receiver_mailbox");
18 simgrid::s4u::MailboxPtr theirmailbox = simgrid::s4u::Mailbox::byName("sender_mailbox");
20 std::vector<simgrid::s4u::CommPtr> pending_comms;
22 XBT_INFO("Placing %d asynchronous recv requests", NUM_COMMS);
24 for (int i = 0; i < NUM_COMMS; i++) {
25 simgrid::s4u::CommPtr comm = simgrid::s4u::Comm::recv_async(mymailbox, &data);
26 pending_comms.push_back(comm);
29 for (int i = 0; i < NUM_COMMS; i++) {
30 XBT_INFO("Sleeping for 3 seconds (for the %dth time)...", i + 1);
31 simgrid::s4u::this_actor::sleep_for(3.0);
32 XBT_INFO("Calling wait_any() for %zu pending comms", pending_comms.size());
33 std::vector<simgrid::s4u::CommPtr>::iterator ret_it =
34 simgrid::s4u::Comm::wait_any(pending_comms.begin(), pending_comms.end());
35 XBT_INFO("Counting the number of completed comms...");
38 for (; ret_it != pending_comms.end(); count++, ret_it++)
41 XBT_INFO("wait_any() replied that %d comms have completed", count);
42 // xbt_assert(count == 1, "wait_any() replied that %d comms have completed, which is broken!", count);
48 simgrid::s4u::MailboxPtr mymailbox = simgrid::s4u::Mailbox::byName("sender_mailbox");
49 simgrid::s4u::MailboxPtr theirmailbox = simgrid::s4u::Mailbox::byName("receiver_mailbox");
51 void* data = (void*)"data";
53 for (int i = 0; i < NUM_COMMS; i++) {
54 XBT_INFO("Sending a message to the receiver");
55 simgrid::s4u::this_actor::send(theirmailbox, &data, 4);
56 XBT_INFO("Sleeping for 1000 seconds");
57 simgrid::s4u::this_actor::sleep_for(1000.0);
61 int main(int argc, char** argv)
64 simgrid::s4u::Engine* engine = new simgrid::s4u::Engine(&argc, argv);
67 std::cerr << "Usage: " << argv[0] << " <xml platform file>" << std::endl;
71 engine->loadPlatform(argv[1]);
72 simgrid::s4u::Host* host = simgrid::s4u::Host::by_name("Tremblay");
74 simgrid::s4u::Actor::createActor("Receiver", host, receiver);
75 simgrid::s4u::Actor::createActor("Sender", host, sender);
77 simgrid::s4u::Engine::instance()->run();