X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/85b1e794f37ae5b1891444f53b9b6cc8faee4f0b..39c935d6d5ee86d153f6f7e6a10d723ae7c57f6f:/examples/s4u/platform-failures/s4u-platform-failures.cpp diff --git a/examples/s4u/platform-failures/s4u-platform-failures.cpp b/examples/s4u/platform-failures/s4u-platform-failures.cpp index c7a6378936..56e6edd9c1 100644 --- a/examples/s4u/platform-failures/s4u-platform-failures.cpp +++ b/examples/s4u/platform-failures/s4u-platform-failures.cpp @@ -1,47 +1,51 @@ -/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2021. 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 example shows how to work with the state profile of a host or a link, + * specifying when the resource must be turned on or off. + * + * To set such a profile, the first way is to use a file in the XML, while the second is to use the programmatic + * interface. Once this profile is in place, the resource will automatically be turned on and off. + * + * The actors running on a host that is turned off are forcefully killed + * once their on_exit callbacks are executed. They cannot avoid this fate. + * Since we specified on_failure="RESTART" for each actors in the XML file, + * they will be automatically restarted when the host starts again. + * + * Communications using failed links will .. fail. + */ + #include "simgrid/s4u.hpp" -#include "xbt/str.h" XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example"); -static int master(int argc, char* argv[]) +static void master(std::vector args) { - xbt_assert(argc == 5, "Expecting one parameter"); + xbt_assert(args.size() == 5, "Expecting one parameter"); - simgrid::s4u::MailboxPtr mailbox; - long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s"); - double comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s"); - double comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s"); - long workers_count = xbt_str_parse_int(argv[4], "Invalid amount of workers: %s"); + simgrid::s4u::Mailbox* mailbox; + long number_of_tasks = std::stol(args[1]); + double comp_size = std::stod(args[2]); + long comm_size = std::stol(args[3]); + long workers_count = std::stol(args[4]); XBT_INFO("Got %ld workers and %ld tasks to process", workers_count, number_of_tasks); for (int i = 0; i < number_of_tasks; i++) { mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i % workers_count)); - double* payload = new double(comp_size); + auto* payload = new double(comp_size); try { XBT_INFO("Send a message to %s", mailbox->get_cname()); mailbox->put(payload, comm_size, 10.0); XBT_INFO("Send to %s completed", mailbox->get_cname()); - } catch (simgrid::HostFailureException& e) { - XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!"); - return -1; - } catch (simgrid::TimeoutError& e) { + } catch (const simgrid::TimeoutException&) { delete payload; XBT_INFO("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox->get_cname()); - } catch (xbt_ex& e) { - switch (e.category) { - case network_error: - XBT_INFO("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!", mailbox->get_cname()); - break; - default: - xbt_die("Unexpected behavior"); - } + } catch (const simgrid::NetworkFailureException&) { delete payload; + XBT_INFO("Mmh. The communication with '%s' failed. Nevermind. Let's keep going!", mailbox->get_cname()); } } @@ -49,76 +53,44 @@ static int master(int argc, char* argv[]) for (int i = 0; i < workers_count; i++) { /* - Eventually tell all the workers to stop by sending a "finalize" task */ mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(i)); - double* payload = new double(-1.0); + auto* payload = new double(-1.0); try { mailbox->put(payload, 0, 1.0); - } catch (simgrid::HostFailureException& e) { - delete payload; - XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!"); - return -1; - } catch (simgrid::TimeoutError& e) { + } catch (const simgrid::TimeoutException&) { delete payload; XBT_INFO("Mmh. Got timeouted while speaking to '%s'. Nevermind. Let's keep going!", mailbox->get_cname()); - } catch (xbt_ex& e) { + } catch (const simgrid::NetworkFailureException&) { delete payload; - switch (e.category) { - case network_error: - XBT_INFO("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!", mailbox->get_cname()); - break; - default: - xbt_die("Unexpected behavior"); - } + XBT_INFO("Mmh. Something went wrong with '%s'. Nevermind. Let's keep going!", mailbox->get_cname()); } } XBT_INFO("Goodbye now!"); - return 0; } -static int worker(int argc, char* argv[]) +static void worker(std::vector args) { - xbt_assert(argc == 2, "Expecting one parameter"); - long id = xbt_str_parse_int(argv[1], "Invalid argument %s"); - simgrid::s4u::MailboxPtr mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(id)); - double* payload = nullptr; - double comp_size = -1; - while (1) { + xbt_assert(args.size() == 2, "Expecting one parameter"); + long id = std::stol(args[1]); + simgrid::s4u::Mailbox* mailbox = simgrid::s4u::Mailbox::by_name(std::string("worker-") + std::to_string(id)); + while (true) { try { XBT_INFO("Waiting a message on %s", mailbox->get_cname()); - payload = static_cast(mailbox->get()); - comp_size = *payload; + auto payload = mailbox->get_unique(); xbt_assert(payload != nullptr, "mailbox->get() failed"); + double comp_size = *payload; if (comp_size < 0) { /* - Exit when -1.0 is received */ XBT_INFO("I'm done. See you!"); - delete payload; break; } /* - Otherwise, process the task */ - try { - XBT_INFO("Start execution..."); - simgrid::s4u::this_actor::execute(comp_size); - XBT_INFO("Execution complete."); - delete payload; - } catch (simgrid::HostFailureException& e) { - delete payload; - XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!"); - return -1; - } - } catch (simgrid::HostFailureException& e) { - XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!"); - delete payload; - return -1; - } catch (xbt_ex& e) { - switch (e.category) { - case network_error: - XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!"); - break; - default: - xbt_die("Unexpected behavior. Category: %s", xbt_ex_catname(e.category)); - } + XBT_INFO("Start execution..."); + simgrid::s4u::this_actor::execute(comp_size); + XBT_INFO("Execution complete."); + } catch (const simgrid::NetworkFailureException&) { + XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!"); } } - return 0; } int main(int argc, char* argv[])