1 /* Copyright (c) 2010-2023. 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/Exception.hpp"
7 #include "simgrid/s4u.hpp"
9 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
11 XBT_ATTRIB_NORETURN static void actor_daemon(int& tasks_done)
13 const simgrid::s4u::Host* host = simgrid::s4u::Host::current();
14 XBT_INFO(" Start daemon on %s (%f)", host->get_cname(), host->get_speed());
16 XBT_INFO(" Execute daemon");
17 simgrid::s4u::this_actor::execute(host->get_speed());
20 xbt_die(" daemon done. See you!");
25 XBT_INFO(" Start TX");
26 static std::string payload = "COMM";
27 simgrid::s4u::Mailbox::by_name("comm")->put_init(&payload, 100000000)->detach();
28 // We should wait a bit (if not the process will end before the communication, hence an exception on the other side).
30 simgrid::s4u::this_actor::sleep_for(30);
31 } catch (const simgrid::HostFailureException&) {
32 XBT_INFO("The host has died ... as expected.");
40 XBT_INFO(" Start RX");
42 const auto* payload = simgrid::s4u::Mailbox::by_name("comm")->get<std::string>();
43 XBT_INFO(" Receive message: %s", payload->c_str());
44 } catch (const simgrid::HostFailureException&) {
45 XBT_INFO(" Receive message: HOST_FAILURE");
46 } catch (const simgrid::NetworkFailureException&) {
47 XBT_INFO(" Receive message: TRANSFER_FAILURE");
53 static void test_launcher(int test_number)
55 simgrid::s4u::Host* jupiter = simgrid::s4u::Host::by_name("Jupiter");
56 simgrid::s4u::ActorPtr daemon;
57 simgrid::s4u::VirtualMachine* vm0 = nullptr;
60 switch (test_number) {
62 // Create a process running a simple task on a host and turn the host off during the execution of the actor.
64 XBT_INFO(" Create an actor on Jupiter");
65 simgrid::s4u::Actor::create("actor_daemon", jupiter, actor_daemon, std::ref(tasks_done));
66 simgrid::s4u::this_actor::sleep_for(3);
67 XBT_INFO(" Turn off Jupiter");
69 simgrid::s4u::this_actor::sleep_for(10);
70 XBT_INFO("Test 1 seems ok, cool !(#Actors: %zu, it should be 1; #tasks: %d)",
71 simgrid::s4u::Engine::get_instance()->get_actor_count(), tasks_done);
74 // Create an actor on an host that is turned off (this is not allowed)
76 XBT_INFO(" Turn off Jupiter");
77 // adsein: Jupiter is already off, hence nothing should happen
78 // adsein: This can be one additional test, to check that you cannot shutdown twice a host
81 simgrid::s4u::Actor::create("actor_daemon", jupiter, actor_daemon, std::ref(tasks_done));
82 simgrid::s4u::this_actor::sleep_for(10);
83 XBT_INFO(" Test 2 does crash as it should. This message will not be displayed.");
84 } catch (const simgrid::HostFailureException&) {
85 xbt_die("Could not launch a new actor on failed host %s.", jupiter->get_cname());
89 // Create an actor running successive sleeps on a host and turn the host off during the execution of the actor.
90 xbt_die("Test 3 is superseded by activity-lifecycle");
93 XBT_INFO("Test 4 (turn off src during a communication) : Create an actor/task to make a communication between "
94 "Jupiter and Tremblay and turn off Jupiter during the communication");
96 simgrid::s4u::this_actor::sleep_for(10);
97 simgrid::s4u::Actor::create("commRX", simgrid::s4u::Host::by_name("Tremblay"), commRX);
98 simgrid::s4u::Actor::create("commTX", jupiter, commTX);
99 XBT_INFO(" number of actors: %zu", simgrid::s4u::Engine::get_instance()->get_actor_count());
100 simgrid::s4u::this_actor::sleep_for(10);
101 XBT_INFO(" Turn Jupiter off");
103 simgrid::s4u::this_actor::sleep_for(1); // Allow some time to the other actors to die
104 XBT_INFO("Test 4 is ok. (number of actors : %zu, it should be 1 or 2 if RX has not been satisfied)."
105 " An exception is raised when we turn off a node that has an actor sleeping",
106 simgrid::s4u::Engine::get_instance()->get_actor_count());
109 XBT_INFO("Test 5 (turn off dest during a communication : Create an actor/task to make a communication between "
110 "Tremblay and Jupiter and turn off Jupiter during the communication");
112 simgrid::s4u::this_actor::sleep_for(10);
113 simgrid::s4u::Actor::create("commRX", jupiter, commRX);
114 simgrid::s4u::Actor::create("commTX", simgrid::s4u::Host::by_name("Tremblay"), commTX);
115 XBT_INFO(" number of actors: %zu", simgrid::s4u::Engine::get_instance()->get_actor_count());
116 simgrid::s4u::this_actor::sleep_for(10);
117 XBT_INFO(" Turn Jupiter off");
119 simgrid::s4u::this_actor::sleep_for(1); // Allow some time to the other actors to die
120 XBT_INFO("Test 5 seems ok (number of actors: %zu, it should be 2)",
121 simgrid::s4u::Engine::get_instance()->get_actor_count());
124 XBT_INFO("Test 6: Turn on Jupiter, assign a VM on Jupiter, launch an actor inside the VM, and turn off the node");
127 vm0 = jupiter->create_vm("vm0", 1);
130 daemon = simgrid::s4u::Actor::create("actor_daemon", vm0, actor_daemon, std::ref(tasks_done));
131 simgrid::s4u::Actor::create("actor_daemonJUPI", jupiter, actor_daemon, std::ref(tasks_done));
137 simgrid::s4u::this_actor::sleep_for(10);
139 XBT_INFO(" Turn Jupiter off");
141 XBT_INFO(" Shutdown vm0");
143 XBT_INFO(" Destroy vm0");
145 XBT_INFO("Test 6 is also weird: when the node Jupiter is turned off once again, the VM and its daemon are not "
146 "killed. However, the issue regarding the shutdown of hosted VMs can be seen a feature not a bug ;)");
149 xbt_die("Unknown test case.");
152 XBT_INFO(" Test done. See you!");
155 int main(int argc, char* argv[])
157 simgrid::s4u::Engine e(&argc, argv);
158 xbt_assert(argc == 3, "Usage: %s platform_file test_number\n\tExample: %s platform.xml 1\n", argv[0], argv[0]);
160 e.load_platform(argv[1]);
162 simgrid::s4u::Actor::create("test_launcher", e.host_by_name("Tremblay"), test_launcher, std::stoi(argv[2]));
166 XBT_INFO("Simulation time %g", simgrid::s4u::Engine::get_clock());