mv examples/s4u examples/cpp

[simgrid.git] / examples / cpp / network-wifi / s4u-network-wifi.cpp

diff --git a/examples/cpp/network-wifi/s4u-network-wifi.cpp b/examples/cpp/network-wifi/s4u-network-wifi.cpp
new file mode 100644 (file)
index 0000000..4ac5f12
--- /dev/null
+++ b/examples/cpp/network-wifi/s4u-network-wifi.cpp
@@ -0,0 +1,51 @@
+/* Copyright (c) 2017-2021. 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");
+
+static void sender(simgrid::s4u::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(simgrid::s4u::Mailbox* mailbox)
+{
+  XBT_INFO("Wait for a message.");
+  mailbox->get<std::string>();
+  XBT_INFO("Done.");
+}
+
+int main(int argc, char* argv[])
+{
+  simgrid::s4u::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  = simgrid::s4u::Mailbox::by_name("mailbox");
+  auto station1 = simgrid::s4u::Host::by_name("Station 1");
+  auto station2 = simgrid::s4u::Host::by_name("Station 2");
+  simgrid::s4u::Actor::create("sender", station1, sender, mailbox, 1e7);
+  simgrid::s4u::Actor::create("receiver", station2, receiver, mailbox);
+
+  /* Declare that the stations are not at the same distance from their AP */
+  auto ap = simgrid::s4u::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;
+}