std::vector<simgrid::s4u::Host*> all_hosts;
/* Helper function easing the testing of actor's ending condition */
-static void assert_exit(int status, double duration)
+static void assert_exit(bool exp_failed, double duration)
{
double expected_time = simgrid::s4u::Engine::get_clock() + duration;
- simgrid::s4u::this_actor::on_exit(
- [status, expected_time](int got_status, void* /*ignored*/) {
- xbt_assert(status == got_status, "Exit status mismatch. Expected %d, got %d", status, got_status);
- xbt_assert(std::fabs(expected_time - simgrid::s4u::Engine::get_clock()) < 0.001,
- "Exit time mismatch. Expected %f", expected_time);
- XBT_VERB("Checks on exit successful");
- },
- nullptr);
+ simgrid::s4u::this_actor::on_exit([exp_failed, expected_time](bool got_failed) {
+ xbt_assert(exp_failed == got_failed, "Exit failure status mismatch. Expected %d, got %d", exp_failed, got_failed);
+ xbt_assert(std::fabs(expected_time - simgrid::s4u::Engine::get_clock()) < 0.001, "Exit time mismatch. Expected %f",
+ expected_time);
+ XBT_VERB("Checks on exit successful");
+ });
}
/* Helper function in charge of running a test and doing some sanity checks afterward */
-static void run_test(const char* test_name, std::function<void()> test)
+static void run_test(const char* test_name, const std::function<void()>& test)
{
simgrid::s4u::Actor::create(test_name, all_hosts[0], test);
simgrid::s4u::this_actor::sleep_for(10);
bool global = false;
simgrid::s4u::ActorPtr sleeper5 = simgrid::s4u::Actor::create("sleep5", all_hosts[1], [&global]() {
- assert_exit(0, 5.);
+ assert_exit(false, 5.);
simgrid::s4u::this_actor::sleep_for(5);
global = true;
});
- simgrid::s4u::this_actor::sleep_for(10);
+ simgrid::s4u::this_actor::sleep_for(9);
xbt_assert(global, "The forked actor did not modify the global after sleeping. Was it killed before?");
}
XBT_INFO("%s: Launch a sleep(5), and kill it after 2 secs", __func__);
simgrid::s4u::ActorPtr sleeper5 = simgrid::s4u::Actor::create("sleep5_killed", all_hosts[1], []() {
- assert_exit(1, 2);
+ assert_exit(true, 2);
simgrid::s4u::this_actor::sleep_for(5);
xbt_die("I should be dead now");
});
XBT_INFO("%s: Launch a sleep(5), and kill it right after start", __func__);
simgrid::s4u::ActorPtr sleeper5 = simgrid::s4u::Actor::create("sleep5_killed", all_hosts[1], []() {
- assert_exit(1, 0);
+ assert_exit(true, 0);
simgrid::s4u::this_actor::sleep_for(5);
xbt_die("I should be dead now");
});
XBT_INFO("%s: Launch a sleep(5), and restart its host right after start", __func__);
simgrid::s4u::ActorPtr sleeper5 = simgrid::s4u::Actor::create("sleep5_restarted", all_hosts[1], []() {
- assert_exit(1, 0);
+ assert_exit(true, 0);
simgrid::s4u::this_actor::sleep_for(5);
xbt_die("I should be dead now");
});
XBT_INFO("%s: Launch a sleep(5), and restart its host after 2 secs", __func__);
simgrid::s4u::ActorPtr sleeper5 = simgrid::s4u::Actor::create("sleep5_restarted", all_hosts[1], []() {
- assert_exit(1, 2);
+ assert_exit(true, 2);
simgrid::s4u::this_actor::sleep_for(5);
xbt_die("I should be dead now");
});
sleeper5->get_host()->turn_on();
XBT_INFO("Test %s is ending", __func__);
}
+
static void test_sleep_restart_end()
{
XBT_INFO("%s: Launch a sleep(5), and restart its host right when it stops", __func__);
bool sleeper_done = false;
simgrid::s4u::Actor::create("sleep5_restarted", all_hosts[1], [&sleeper_done]() {
- assert_exit(0, 5);
+ assert_exit(false, 5);
simgrid::s4u::this_actor::sleep_for(5);
sleeper_done = true;
});
all_hosts[1]->turn_off();
all_hosts[1]->turn_on();
});
- simgrid::s4u::this_actor::sleep_for(10);
+ simgrid::s4u::this_actor::sleep_for(9);
xbt_assert(sleeper_done,
"Restarted actor was already dead in the scheduling round during which the host_off simcall was issued");
}
+
static void test_exec()
{
XBT_INFO("%s: Launch a execute(5s), and let it proceed", __func__);
bool global = false;
simgrid::s4u::ActorPtr exec5 = simgrid::s4u::Actor::create("exec5", all_hosts[1], [&global]() {
- assert_exit(0, 5.);
+ assert_exit(false, 5.);
simgrid::s4u::this_actor::execute(500000000);
global = true;
});
- simgrid::s4u::this_actor::sleep_for(10);
+ simgrid::s4u::this_actor::sleep_for(9);
xbt_assert(global, "The forked actor did not modify the global after executing. Was it killed before?");
}
XBT_INFO("%s: Launch a execute(5s), and kill it after 2 secs", __func__);
simgrid::s4u::ActorPtr exec5 = simgrid::s4u::Actor::create("exec5_killed", all_hosts[1], []() {
- assert_exit(1, 2);
+ assert_exit(true, 2);
simgrid::s4u::this_actor::execute(500000000);
xbt_die("I should be dead now");
});
XBT_INFO("%s: Launch a execute(5s), and kill it right after start", __func__);
simgrid::s4u::ActorPtr exec5 = simgrid::s4u::Actor::create("exec5_killed", all_hosts[1], []() {
- assert_exit(1, 0);
+ assert_exit(true, 0);
simgrid::s4u::this_actor::execute(500000000);
xbt_die("I should be dead now");
});
XBT_INFO("%s: Launch a execute(5s), and restart its host after 2 secs", __func__);
simgrid::s4u::ActorPtr exec5 = simgrid::s4u::Actor::create("exec5_restarted", all_hosts[1], []() {
- assert_exit(1, 2);
+ assert_exit(true, 2);
simgrid::s4u::this_actor::execute(500000000);
xbt_die("I should be dead now");
});
exec5->get_host()->turn_on();
XBT_INFO("Test %s is ending", __func__);
}
+
static void test_exec_restart_end()
{
XBT_INFO("%s: Launch a execute(5s), and restart its host right when it stops", __func__);
bool execution_done = false;
simgrid::s4u::Actor::create("exec5_restarted", all_hosts[1], [&execution_done]() {
- assert_exit(0, 5);
+ assert_exit(false, 5);
simgrid::s4u::this_actor::execute(500000000);
execution_done = true;
});
all_hosts[1]->turn_off();
all_hosts[1]->turn_on();
});
- simgrid::s4u::this_actor::sleep_for(10);
+ simgrid::s4u::this_actor::sleep_for(9);
xbt_assert(execution_done,
"Restarted actor was already dead in the scheduling round during which the host_off simcall was issued");
}
bool recv_done = false;
simgrid::s4u::Actor::create("sender", all_hosts[1], [&send_done]() {
- assert_exit(0, 5);
+ assert_exit(false, 5);
char* payload = xbt_strdup("toto");
simgrid::s4u::Mailbox::by_name("mb")->put(payload, 5000);
send_done = true;
});
simgrid::s4u::Actor::create("receiver", all_hosts[2], [&recv_done]() {
- assert_exit(0, 5);
+ assert_exit(false, 5);
void* payload = simgrid::s4u::Mailbox::by_name("mb")->get();
xbt_free(payload);
recv_done = true;
});
- simgrid::s4u::this_actor::sleep_for(10);
+ simgrid::s4u::this_actor::sleep_for(9);
xbt_assert(send_done, "Sender killed somehow. It shouldn't");
xbt_assert(recv_done, "Receiver killed somehow. It shouldn't");
}
-static void test_comm_dsend_and_quit()
+static void test_comm_dsend_and_quit_put_before_get()
{
XBT_INFO("%s: Launch a detached communication and end right after", __func__);
bool dsend_done = false;
bool recv_done = false;
simgrid::s4u::ActorPtr sender = simgrid::s4u::Actor::create("sender", all_hosts[1], [&dsend_done]() {
- assert_exit(0, 0);
+ assert_exit(false, 0);
char* payload = xbt_strdup("toto");
simgrid::s4u::Mailbox::by_name("mb")->put_init(payload, 1000)->detach();
dsend_done = true;
- return;
});
simgrid::s4u::Actor::create("receiver", all_hosts[2], [&recv_done]() {
- assert_exit(0, 3);
- bool got_exception = false;
+ assert_exit(false, 3);
simgrid::s4u::this_actor::sleep_for(2);
- try {
- void* payload = simgrid::s4u::Mailbox::by_name("mb")->get();
- xbt_free(payload);
- } catch (xbt_ex const& e) {
- got_exception = true;
- }
+ void* payload = simgrid::s4u::Mailbox::by_name("mb")->get();
+ xbt_free(payload);
+ recv_done = true;
+ });
+
+ // Sleep long enough to let the test ends by itself. 3 + surf_precision should be enough.
+ simgrid::s4u::this_actor::sleep_for(4);
+ xbt_assert(dsend_done, "Sender killed somehow. It shouldn't");
+ xbt_assert(recv_done, "Receiver killed somehow. It shouldn't");
+}
+
+static void test_comm_dsend_and_quit_get_before_put()
+{
+ XBT_INFO("%s: Launch a detached communication and end right after", __func__);
+ bool dsend_done = false;
+ bool recv_done = false;
+
+ simgrid::s4u::ActorPtr sender = simgrid::s4u::Actor::create("sender", all_hosts[1], [&dsend_done]() {
+ assert_exit(false, 2);
+ char* payload = xbt_strdup("toto");
+ simgrid::s4u::this_actor::sleep_for(2);
+ simgrid::s4u::Mailbox::by_name("mb")->put_init(payload, 1000)->detach();
+ dsend_done = true;
+ });
+
+ simgrid::s4u::Actor::create("receiver", all_hosts[2], [&recv_done]() {
+ assert_exit(false, 3);
+ void* payload = simgrid::s4u::Mailbox::by_name("mb")->get();
+ xbt_free(payload);
recv_done = true;
- xbt_assert(not got_exception);
- return;
});
// Sleep long enough to let the test ends by itself. 3 + surf_precision should be enough.
xbt_assert(recv_done, "Receiver killed somehow. It shouldn't");
}
+
static void test_comm_killsend()
{
XBT_INFO("%s: Launch a communication and kill the sender", __func__);
bool recv_done = false;
simgrid::s4u::ActorPtr sender = simgrid::s4u::Actor::create("sender", all_hosts[1], [&send_done]() {
- assert_exit(1, 2);
+ assert_exit(true, 2);
// Encapsulate the payload in a std::unique_ptr so that it is correctly free'd when the sender is killed during its
// communication (thanks to RAII). The pointer is then released when the communication is over.
std::unique_ptr<char, decltype(&xbt_free_f)> payload(xbt_strdup("toto"), &xbt_free_f);
send_done = true;
});
simgrid::s4u::Actor::create("receiver", all_hosts[2], [&recv_done]() {
- assert_exit(0, 2);
+ assert_exit(false, 2);
bool got_exception = false;
try {
void* payload = simgrid::s4u::Mailbox::by_name("mb")->get();
xbt_assert(recv_done, "Receiver killed somehow. It shouldn't");
}
+static void test_host_off_while_receive()
+{
+ XBT_INFO("%s: Launch an actor that waits on a recv, kill its host", __func__);
+ bool in_on_exit = false;
+ bool returned_from_main = false;
+ bool in_catch_before_on_exit = false;
+ bool in_catch_after_on_exit = false;
+ bool send_done = false;
+
+ simgrid::s4u::ActorPtr receiver = simgrid::s4u::Actor::create(
+ "receiver", all_hosts[1],
+ [&in_on_exit, &returned_from_main, &in_catch_before_on_exit, &in_catch_after_on_exit]() {
+ assert_exit(true, 1);
+ try {
+ simgrid::s4u::Mailbox::by_name("mb")->get();
+ } catch (simgrid::NetworkFailureException const&) {
+ // Shouldn't get in here
+ in_catch_before_on_exit = not in_on_exit;
+ in_catch_after_on_exit = in_on_exit;
+ }
+ returned_from_main = true;
+ });
+
+ receiver->on_exit([&in_on_exit](bool) { in_on_exit = true; });
+
+ simgrid::s4u::ActorPtr sender = simgrid::s4u::Actor::create("sender", all_hosts[2], [&send_done]() {
+ assert_exit(false, 1);
+ bool got_exception = false;
+ try {
+ int data = 42;
+ simgrid::s4u::Mailbox::by_name("mb")->put(&data, 100000);
+ } catch (simgrid::NetworkFailureException const&) {
+ got_exception = true;
+ }
+ xbt_assert(got_exception);
+ send_done = true;
+ });
+
+ simgrid::s4u::this_actor::sleep_for(1);
+ receiver->get_host()->turn_off();
+
+ // Note: If we don't sleep here, we don't "see" the bug
+ simgrid::s4u::this_actor::sleep_for(1);
+
+ xbt_assert(in_on_exit,
+ "Receiver's on_exit function was never called");
+ xbt_assert(not in_catch_before_on_exit,
+ "Receiver mistakenly went to catch clause (before the on_exit function was called)");
+ xbt_assert(not in_catch_after_on_exit,
+ "Receiver mistakenly went to catch clause (after the on_exit function was called)");
+ xbt_assert(not returned_from_main,
+ "Receiver returned from main normally even though its host was killed");
+ xbt_assert(send_done, "Sender killed somehow. It shouldn't");
+ receiver->get_host()->turn_on();
+}
+
+static void test_link_off_helper(double delay)
+{
+ const double start = simgrid::s4u::Engine::get_clock();
+
+ simgrid::s4u::ActorPtr receiver = simgrid::s4u::Actor::create("receiver", all_hosts[1], [&start]() {
+ assert_exit(false, 9);
+ double milestone[5] = {0.5, 3.5, 4.5, 7.5, 9.0};
+ for (int i = 0; i < 5; i++)
+ milestone[i] += start;
+ for (int i = 0; i < 4; i++) {
+ simgrid::s4u::this_actor::sleep_until(milestone[i]);
+ try {
+ XBT_VERB("get(%c)", 'A' + i);
+ simgrid::s4u::Mailbox::by_name("mb")->get();
+ return;
+ } catch (simgrid::NetworkFailureException const&) {
+ XBT_VERB("got expected NetworkFailureException");
+ }
+ }
+ simgrid::s4u::this_actor::sleep_until(milestone[4]);
+ });
+
+ simgrid::s4u::ActorPtr sender = simgrid::s4u::Actor::create("sender", all_hosts[2], [&start]() {
+ assert_exit(false, 9);
+ int data = 42;
+ double milestone[5] = {1.5, 2.5, 5.5, 6.5, 9.0};
+ for (int i = 0; i < 5; i++)
+ milestone[i] += start;
+ for (int i = 0; i < 2; i++) {
+ simgrid::s4u::this_actor::sleep_until(milestone[i]);
+ XBT_VERB("dsend(%c)", 'A' + i);
+ simgrid::s4u::Mailbox::by_name("mb")->put_init(&data, 100000)->detach();
+ }
+ for (int i = 2; i < 4; i++) {
+ simgrid::s4u::this_actor::sleep_until(milestone[i]);
+ try {
+ XBT_VERB("put(%c)", 'A' + i);
+ simgrid::s4u::Mailbox::by_name("mb")->put(&data, 100000);
+ return;
+ } catch (simgrid::NetworkFailureException const&) {
+ XBT_VERB("got expected NetworkFailureException");
+ }
+ }
+ simgrid::s4u::this_actor::sleep_until(milestone[4]);
+ });
+
+ for (int i = 0; i < 4; i++) {
+ XBT_VERB("##### %d / 4 #####", i + 1);
+ simgrid::s4u::this_actor::sleep_for(delay);
+ XBT_VERB("link off");
+ simgrid::s4u::Link::by_name("link1")->turn_off();
+ simgrid::s4u::this_actor::sleep_for(2.0 - delay);
+ XBT_VERB("link on");
+ simgrid::s4u::Link::by_name("link1")->turn_on();
+ }
+ simgrid::s4u::this_actor::sleep_for(1.5);
+}
+
+static void test_link_off_before_send_recv()
+{
+ XBT_INFO("%s: try to communicate with communicating link turned off before start", __func__);
+ test_link_off_helper(0.0);
+}
+static void test_link_off_between_send_recv()
+{
+ XBT_INFO("%s: try to communicate with communicating link turned off between send and receive", __func__);
+ test_link_off_helper(1.0);
+}
+static void test_link_off_during_transfer()
+{
+ XBT_INFO("%s: try to communicate with communicating link turned off during transfer", __func__);
+ test_link_off_helper(2.0);
+}
+
+static void test_link_off_during_wait_any()
+{
+ simgrid::s4u::ActorPtr receiver = simgrid::s4u::Actor::create("receiver", all_hosts[1], []() {
+ assert_exit(false, 2);
+ bool receiver_got_network_failure_execution = false;
+ bool receiver_got_base_execution = false;
+ int *data;
+ std::vector<simgrid::s4u::CommPtr> pending_comms;
+ simgrid::s4u::CommPtr comm = simgrid::s4u::Mailbox::by_name("mb")->get_async((void**)&data);
+ pending_comms.push_back(comm);
+ try {
+ simgrid::s4u::Comm::wait_any(&pending_comms);
+ } catch (simgrid::NetworkFailureException const&) {
+ XBT_VERB("got expected NetworkFailureException");
+ receiver_got_network_failure_execution = true;
+ } catch (simgrid::Exception const&) {
+ XBT_VERB("got unexpected base Exception");
+ receiver_got_base_execution = true;
+ }
+ xbt_assert(receiver_got_network_failure_execution, "The receiver should have gotten a NetworkFailureException");
+ xbt_assert(not receiver_got_base_execution, "The receiver should not have gotten a base Exception");
+ });
+
+ simgrid::s4u::ActorPtr sender = simgrid::s4u::Actor::create("sender", all_hosts[2], []() {
+ assert_exit(false, 2);
+ int data = 42;
+ bool sender_got_network_failure_execution = false;
+ bool sender_got_base_execution = false;
+ try {
+ simgrid::s4u::Mailbox::by_name("mb")->put(&data, 100000);
+ } catch (simgrid::NetworkFailureException const&) {
+ XBT_VERB("got expected NetworkFailureException");
+ sender_got_network_failure_execution = true;
+ } catch (simgrid::Exception const&) {
+ XBT_VERB("got unexpected base Exception");
+ sender_got_base_execution = true;
+ }
+ xbt_assert(sender_got_network_failure_execution, "The sender should have gotten a NetworkFailureException");
+ xbt_assert(not sender_got_base_execution, "The sender should not have gotten a base Exception");
+ });
+
+ simgrid::s4u::this_actor::sleep_for(2.0);
+ XBT_VERB("link off");
+ simgrid::s4u::Link::by_name("link1")->turn_off();
+ simgrid::s4u::this_actor::sleep_for(2.0);
+ XBT_VERB("link on");
+ simgrid::s4u::Link::by_name("link1")->turn_on();
+}
+
+
/* We need an extra actor here, so that it can sleep until the end of each test */
static void main_dispatcher()
{
- run_test("sleep", static_cast<std::function<void()>>(test_sleep));
+ run_test("sleep", test_sleep);
run_test("sleep killed at start", test_sleep_kill_begin);
run_test("sleep killed in middle", test_sleep_kill_middle);
/* We cannot kill right at the end of the action because killer actors are always rescheduled to the end of the round
* to avoid that they exit before their victim dereferences their name */
run_test("sleep restarted at start", test_sleep_restart_begin);
- run_test("sleep restarted at middle", test_sleep_restart_middle);
+ run_test("sleep restarted in middle", test_sleep_restart_middle);
run_test("sleep restarted at end", test_sleep_restart_end);
- run_test("exec", static_cast<std::function<void()>>(test_exec));
+ run_test("exec", test_exec);
run_test("exec killed at start", test_exec_kill_begin);
run_test("exec killed in middle", test_exec_kill_middle);
run_test("exec restarted at start", test_exec_restart_begin);
- run_test("exec restarted at middle", test_exec_restart_middle);
+ run_test("exec restarted in middle", test_exec_restart_middle);
run_test("exec restarted at end", test_exec_restart_end);
run_test("comm", test_comm);
- run_test("comm dsend and quit", test_comm_dsend_and_quit);
+ run_test("comm dsend and quit (put before get)", test_comm_dsend_and_quit_put_before_get);
+ run_test("comm dsend and quit (get before put)", test_comm_dsend_and_quit_get_before_put);
run_test("comm kill sender", test_comm_killsend);
+
+ run_test("comm recv and kill", test_host_off_while_receive);
+ run_test("comm turn link off before send/recv", test_link_off_before_send_recv);
+ run_test("comm turn link off between send/recv", test_link_off_between_send_recv);
+ run_test("comm turn link off during transfer", test_link_off_during_transfer);
+ run_test("comm turn link off during wait_any", test_link_off_during_wait_any);
}
int main(int argc, char* argv[])
