1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
|
/* Copyright (c) 2017-2025. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "simgrid/s4u.hpp"
/* This example demonstrates how to use wifi links in SimGrid. Most of the interesting things happen in the
* corresponding XML file: examples/platforms/wifi.xml
*/
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_network_wifi, "Messages specific for this s4u example");
namespace sg4 = simgrid::s4u;
static void sender(sg4::Mailbox* mailbox, int data_size)
{
XBT_INFO("Send a message to the other station.");
static std::string message = "message";
mailbox->put(&message, data_size);
XBT_INFO("Done.");
}
static void receiver(sg4::Mailbox* mailbox)
{
XBT_INFO("Wait for a message.");
mailbox->get<std::string>();
XBT_INFO("Done.");
}
int main(int argc, char* argv[])
{
sg4::Engine e(&argc, argv);
xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s platform.xml deployment.xml\n", argv[0], argv[0]);
e.load_platform(argv[1]);
/* Exchange a message between the 2 stations */
auto* mailbox = sg4::Mailbox::by_name("mailbox");
auto* station1 = e.host_by_name("Station 1");
auto* station2 = e.host_by_name("Station 2");
station1->add_actor("sender", sender, mailbox, 1e7);
station2->add_actor("receiver", receiver, mailbox);
/* Declare that the stations are not at the same distance from their AP */
const auto* ap = e.link_by_name("AP1");
ap->set_host_wifi_rate(station1, 1); // The host "Station 1" uses the second level of bandwidths on that AP
ap->set_host_wifi_rate(station2, 0); // This is perfectly useless as level 0 is used by default
e.run();
return 0;
}
|