+/* Copyright (c) 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/s4u.hpp"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor_migration, "Messages specific for this s4u example");
+
+simgrid::s4u::Barrier* barrier;
+static simgrid::s4u::ActorPtr controlled_process;
+
+/* The Emigrant process will be moved from host to host. */
+static void emigrant()
+{
+ XBT_INFO("I'll look for a new job on another machine ('Boivin') where the grass is greener.");
+ simgrid::s4u::this_actor::migrate(
+ simgrid::s4u::Host::by_name("Boivin")); /* - First, move to another host by myself */
+
+ XBT_INFO("Yeah, found something to do");
+ simgrid::s4u::this_actor::execute(98095000); /* - Execute some work there */
+ simgrid::s4u::this_actor::sleep_for(2);
+ XBT_INFO("Moving back home after work");
+ simgrid::s4u::this_actor::migrate(simgrid::s4u::Host::by_name("Jacquelin")); /* - Move back to original location */
+ simgrid::s4u::this_actor::migrate(simgrid::s4u::Host::by_name("Boivin")); /* - Go back to the other host to sleep*/
+ simgrid::s4u::this_actor::sleep_for(4);
+ controlled_process = simgrid::s4u::Actor::self(); /* - Get controlled at checkpoint */
+ barrier->wait();
+ simgrid::s4u::this_actor::suspend();
+ simgrid::s4u::Host* h = simgrid::s4u::this_actor::get_host();
+ XBT_INFO("I've been moved on this new host: %s", h->get_cname());
+ XBT_INFO("Uh, nothing to do here. Stopping now");
+}
+
+/* The policeman check for emigrants and move them back to 'Jacquelin' */
+static void policeman()
+{
+ XBT_INFO("Wait at the checkpoint."); /* - block on the mutex+condition */
+ barrier->wait();
+ controlled_process->migrate(simgrid::s4u::Host::by_name("Jacquelin")); /* - Move an emigrant to Jacquelin */
+ XBT_INFO("I moved the emigrant");
+ controlled_process->resume();
+}
+
+int main(int argc, char* argv[])
+{
+ simgrid::s4u::Engine e(&argc, argv);
+ e.load_platform(argv[1]);
+
+ simgrid::s4u::Actor::create("emigrant", simgrid::s4u::Host::by_name("Jacquelin"), emigrant);
+ simgrid::s4u::Actor::create("policeman", simgrid::s4u::Host::by_name("Boivin"), policeman);
+
+ barrier = new simgrid::s4u::Barrier(2);
+ e.run();
+ XBT_INFO("Simulation time %g", e.get_clock());
+ delete barrier;
+
+ return 0;
+}