mv examples/s4u examples/cpp

[simgrid.git] / examples / cpp / trace-route-user-variables / s4u-trace-route-user-variables.cpp

diff --git a/examples/cpp/trace-route-user-variables/s4u-trace-route-user-variables.cpp b/examples/cpp/trace-route-user-variables/s4u-trace-route-user-variables.cpp
new file mode 100644 (file)
index 0000000..e218c24
--- /dev/null
+++ b/examples/cpp/trace-route-user-variables/s4u-trace-route-user-variables.cpp
@@ -0,0 +1,68 @@
+/* Copyright (c) 2010-2021. 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. */
+
+/* This source code simply loads the platform. This is only useful to play
+ * with the tracing module. See the tesh file to see how to generate the
+ * traces.
+ */
+
+#include "simgrid/instr.h"
+#include "simgrid/s4u.hpp"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
+
+static void trace_fun()
+{
+  // Set initial values for the link user variables
+  // This example uses source and destination where source and destination are the name of hosts in the platform file.
+  // The functions will set/change the value of the variable for all links in the route between source and destination.
+
+  // Set the Link_Capacity variable
+  TRACE_link_srcdst_variable_set("Tremblay", "Bourassa", "Link_Capacity", 12.34);
+  TRACE_link_srcdst_variable_set("Fafard", "Ginette", "Link_Capacity", 56.78);
+
+  // Set the Link_Utilization variable
+  TRACE_link_srcdst_variable_set("Tremblay", "Bourassa", "Link_Utilization", 1.2);
+  TRACE_link_srcdst_variable_set("Fafard", "Ginette", "Link_Utilization", 3.4);
+
+  // run the simulation, update my variables accordingly
+  for (int i = 0; i < 10; i++) {
+    simgrid::s4u::this_actor::execute(1e6);
+
+    // Add to link user variables
+    TRACE_link_srcdst_variable_add("Tremblay", "Bourassa", "Link_Utilization", 5.6);
+    TRACE_link_srcdst_variable_add("Fafard", "Ginette", "Link_Utilization", 7.8);
+  }
+
+  for (int i = 0; i < 10; i++) {
+    simgrid::s4u::this_actor::execute(1e6);
+
+    // Subtract from link user variables
+    TRACE_link_srcdst_variable_sub("Tremblay", "Bourassa", "Link_Utilization", 3.4);
+    TRACE_link_srcdst_variable_sub("Fafard", "Ginette", "Link_Utilization", 5.6);
+  }
+}
+
+int main(int argc, char* argv[])
+{
+  simgrid::s4u::Engine e(&argc, argv);
+  xbt_assert(argc > 1, "Usage: %s platform_file\n \tExample: %s small_platform.xml\n", argv[0], argv[0]);
+
+  e.load_platform(argv[1]);
+
+  // declaring link user variables (one without, another with an RGB color)
+  TRACE_link_variable_declare("Link_Capacity");
+  TRACE_link_variable_declare_with_color("Link_Utilization", "0.9 0.1 0.1");
+
+  simgrid::s4u::Actor::create("master", simgrid::s4u::Host::by_name("Tremblay"), trace_fun);
+  simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Tremblay"), trace_fun);
+  simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Jupiter"), trace_fun);
+  simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Fafard"), trace_fun);
+  simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Ginette"), trace_fun);
+  simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Bourassa"), trace_fun);
+
+  e.run();
+  return 0;
+}