X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5a15c64d854f8f8ecc35732c0534bd6cb4fb0bb8..ff418c1e6572124c99bd783c25919458fa6eb959:/teshsuite/surf/wifi_usage/2STA-NOCT.cpp

diff --git a/teshsuite/surf/wifi_usage/2STA-NOCT.cpp b/teshsuite/surf/wifi_usage/2STA-NOCT.cpp
new file mode 100644
index 0000000000..d238dd628e
--- /dev/null
+++ b/teshsuite/surf/wifi_usage/2STA-NOCT.cpp
@@ -0,0 +1,73 @@
+/* Copyright (c) 2017-2018. 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/msg.h"
+#include "simgrid/s4u.hpp"
+#include "src/surf/network_cm02.hpp"
+#include "xbt/log.h"
+#include <exception>
+#include <iostream>
+#include <random>
+#include <string>
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(simulator, "[wifi_usage] 2STA-1NODE");
+
+void setup_simulation();
+static void flowActor(std::vector<std::string> args);
+
+/**
+ * Theory says:
+ *   - When two STA communicates on the same AP we have the following AP constraint:
+ *     1/r_STA1 * rho_STA1 + 1/r_STA2 * rho_2 <= 1
+ *   - Thus:
+ *      mu = 1 / [ 1/2 * 1/54Mbps + 1/54Mbps ] = 5.4e+07
+ *      simulation_time = 1000*8 / [ mu / 2 ] = 0.0002962963s
+ *
+ */
+int main(int argc, char** argv)
+{
+
+  // Build engine
+  simgrid::s4u::Engine engine(&argc, argv);
+  engine.load_platform(argv[1]);
+  setup_simulation();
+  engine.run();
+  XBT_INFO("Simulation took %fs", simgrid::s4u::Engine::get_clock());
+
+  return (0);
+}
+
+void setup_simulation()
+{
+
+  std::vector<std::string> args, noArgs;
+  args.push_back("STA2");
+  args.push_back("1000");
+  simgrid::s4u::Actor::create("STA1", simgrid::s4u::Host::by_name("STA1"), flowActor, args);
+  simgrid::s4u::Actor::create("STA2", simgrid::s4u::Host::by_name("STA2"), flowActor, noArgs);
+  simgrid::kernel::resource::NetworkWifiLink* l =
+      (simgrid::kernel::resource::NetworkWifiLink*)simgrid::s4u::Link::by_name("AP1")->get_impl();
+  l->set_host_rate(simgrid::s4u::Host::by_name("STA1"), 0);
+  l->set_host_rate(simgrid::s4u::Host::by_name("STA2"), 0);
+}
+
+static void flowActor(std::vector<std::string> args)
+{
+  std::string selfName               = simgrid::s4u::this_actor::get_host()->get_name();
+  simgrid::s4u::Mailbox* selfMailbox = simgrid::s4u::Mailbox::by_name(simgrid::s4u::this_actor::get_host()->get_name());
+
+  if (args.size() > 0) { // We should send
+    simgrid::s4u::Mailbox* dstMailbox = simgrid::s4u::Mailbox::by_name(args.at(0));
+
+    int dataSize        = std::atoi(args.at(1).c_str());
+    double comStartTime = simgrid::s4u::Engine::get_clock();
+    dstMailbox->put(const_cast<char*>("message"), dataSize);
+    double comEndTime = simgrid::s4u::Engine::get_clock();
+    XBT_INFO("%s sent %d bytes to %s in %f seconds from %f to %f", selfName.c_str(), dataSize, args.at(0).c_str(),
+             comEndTime - comStartTime, comStartTime, comEndTime);
+  } else { // We should receive
+    selfMailbox->get();
+  }
+}