1 /* Copyright (c) 2017-2018. 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. */
6 #include "simgrid/msg.h"
7 #include "simgrid/s4u.hpp"
8 #include "src/surf/network_cm02.hpp"
15 XBT_LOG_NEW_DEFAULT_CATEGORY(simulator, "[wifi_usage] 2STA-1NODE");
17 void setup_simulation();
18 static void flowActor(std::vector<std::string> args);
22 * - When two STA communicates on the same AP we have the following AP constraint:
23 * 1.05/r_STA1 * rho_STA1 + 1.05/r_STA2 * rho_2 <= 1
25 * mu = 1 / [ 1/2 * 1.05/54Mbps + 1.05/54Mbps ] = 51428571
26 * simulation_time = 1000*8 / [ mu / 2 ] = 0.0003111111s
29 int main(int argc, char** argv)
33 simgrid::s4u::Engine engine(&argc, argv);
34 engine.load_platform(argv[1]);
37 XBT_INFO("Simulation took %fs", simgrid::s4u::Engine::get_clock());
42 void setup_simulation()
45 std::vector<std::string> args, noArgs;
46 args.push_back("STA2");
47 args.push_back("1000");
48 simgrid::s4u::Actor::create("STA1", simgrid::s4u::Host::by_name("STA1"), flowActor, args);
49 simgrid::s4u::Actor::create("STA2", simgrid::s4u::Host::by_name("STA2"), flowActor, noArgs);
50 simgrid::kernel::resource::NetworkWifiLink* l =
51 (simgrid::kernel::resource::NetworkWifiLink*)simgrid::s4u::Link::by_name("AP1")->get_impl();
52 l->set_host_rate(simgrid::s4u::Host::by_name("STA1"), 0);
53 l->set_host_rate(simgrid::s4u::Host::by_name("STA2"), 0);
56 static void flowActor(std::vector<std::string> args)
58 std::string selfName = simgrid::s4u::this_actor::get_host()->get_name();
59 simgrid::s4u::Mailbox* selfMailbox = simgrid::s4u::Mailbox::by_name(simgrid::s4u::this_actor::get_host()->get_name());
61 if (args.size() > 0) { // We should send
62 simgrid::s4u::Mailbox* dstMailbox = simgrid::s4u::Mailbox::by_name(args.at(0));
64 int dataSize = std::atoi(args.at(1).c_str());
65 double comStartTime = simgrid::s4u::Engine::get_clock();
66 dstMailbox->put(const_cast<char*>("message"), dataSize);
67 double comEndTime = simgrid::s4u::Engine::get_clock();
68 XBT_INFO("%s sent %d bytes to %s in %f seconds from %f to %f", selfName.c_str(), dataSize, args.at(0).c_str(),
69 comEndTime - comStartTime, comStartTime, comEndTime);
70 } else { // We should receive