+++ /dev/null
-/* Copyright (c) 2019-2020. 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"
-#include "xbt/config.hpp"
-#include "xbt/log.h"
-
-#include "src/surf/network_wifi.hpp"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(simulator, "[usage] wifi_usage <platform-file>");
-
-void run_ping_test(const char* src, const char* dest, int data_size);
-
-/* We need a separate actor so that it can sleep after each test */
-static void main_dispatcher()
-{
- bool crosstraffic = simgrid::kernel::resource::NetworkModel::cfg_crosstraffic;
-
- XBT_INFO("TEST: Send from a station to a node on the wired network after the AP.");
- XBT_INFO("----------------------------------------------------------------------");
- XBT_INFO("Since AP1 is the limiting link, we have the following constraint for AP1:");
- if (crosstraffic) {
- XBT_INFO("1.05/r_STA1 * rho_STA1 <= 1 (1.05 instead of 1 because of cross-traffic)");
- XBT_INFO("However, decay model specify that for 2 stations, we have 54Mbps become 49.00487");
- XBT_INFO("We should thus have:");
- XBT_INFO(" mu = 1 / [ 1/1 * 1.05/49.00487Mbps ] = 46671305");
- XBT_INFO(" simulation_time = 1000*8 / mu = 0.0001714115 (rounded to 0.000171s in SimGrid)");
- } else {
- XBT_INFO("1/r_STA1 * rho_STA1 <= 1 (there is no cross-traffic)");
- XBT_INFO("However, decay model specify that for 2 stations, we have 54Mbps become 49.00487");
- XBT_INFO("We should thus have:");
- XBT_INFO(" mu = 1 / [ 1/1 * 1/49.00487Mbps ] = 49004870");
- XBT_INFO(" simulation_time = 1000*8 / mu = 0.0001632491s (rounded to 0.000163s in SimGrid)");
- }
- run_ping_test("Station 1", "node1", 1000);
-
- XBT_INFO("TEST: Send from a station to another station on the same AP.");
- XBT_INFO("------------------------------------------------------------");
- XBT_INFO("We have the following constraint for AP1:");
- if (crosstraffic) {
- XBT_INFO("1.05/r_STA1 * rho_STA1 + 1.05/r_STA2 * rho_2 <= 1 (1.05 instead of 1 because of cross-traffic)");
- XBT_INFO("However, decay model specify that for 2 stations, we have 54Mbps become 49.00487");
- XBT_INFO("We should thus have:");
- XBT_INFO(" mu = 1 / [ 1/2 * 1.05/49.00487Mbps + 1.05/49.00487Mbps ] = 46671305");
- XBT_INFO(" simulation_time = 1000*8 / [ mu / 2 ] = 0.0003428231s (rounded to 0.000343s in SimGrid)");
- } else {
- XBT_INFO("1/r_STA1 * rho_STA1 + 1/r_STA2 * rho_2 <= 1 (there is no cross-traffic)");
- XBT_INFO("However, decay model specify that for 2 stations, we have 54Mbps become 49.00487");
- XBT_INFO(" mu = 1 / [ 1/2 * 1/49.00487Mbps + 1/49.00487Mbps ] = 49004870");
- XBT_INFO(" simulation_time = 1000*8 / [ mu / 2 ] = 0.0003264982s (rounded to 0.000326s in SimGrid)");
- }
- run_ping_test("Station 1", "Station 2", 1000);
-}
-int main(int argc, char** argv)
-{
- simgrid::s4u::Engine engine(&argc, argv);
- engine.load_platform(argv[1]);
- simgrid::s4u::Actor::create("dispatcher", simgrid::s4u::Host::by_name("node1"), main_dispatcher);
- engine.run();
-
- return 0;
-}
-
-void run_ping_test(const char* src, const char* dest, int data_size)
-{
- auto* mailbox = simgrid::s4u::Mailbox::by_name("Test");
-
- simgrid::s4u::Actor::create("sender", simgrid::s4u::Host::by_name(src), [mailbox, dest, data_size]() {
- double start_time = simgrid::s4u::Engine::get_clock();
- static char message[] = "message";
- mailbox->put(message, data_size);
- double end_time = simgrid::s4u::Engine::get_clock();
- XBT_INFO("Actual result: Sending %d bytes from '%s' to '%s' takes %f seconds.", data_size,
- simgrid::s4u::this_actor::get_host()->get_cname(), dest, end_time - start_time);
- });
- simgrid::s4u::Actor::create("receiver", simgrid::s4u::Host::by_name(dest), [mailbox]() { mailbox->get(); });
- auto* l = (simgrid::kernel::resource::NetworkWifiLink*)simgrid::s4u::Link::by_name("AP1")->get_impl();
- if(!l->toggle_decay_model())
- l->toggle_decay_model();
- l->set_host_rate(simgrid::s4u::Host::by_name("Station 1"), 0);
- l->set_host_rate(simgrid::s4u::Host::by_name("Station 2"), 0);
- simgrid::s4u::this_actor::sleep_for(10);
- XBT_INFO("\n");
-}
