X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e5a5b0f6ee35cb592f9345a9dafa0e29df8477ef..12e37132d1b9b141fa8497e17b0629cfd4173c36:/src/simix/smx_host.cpp diff --git a/src/simix/smx_host.cpp b/src/simix/smx_host.cpp index 01d227f9c8..7bd756a321 100644 --- a/src/simix/smx_host.cpp +++ b/src/simix/smx_host.cpp @@ -1,311 +1,103 @@ -/* Copyright (c) 2007-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2007-2019. 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 "smx_private.h" -#include -#include "xbt/sysdep.h" #include "mc/mc.h" -#include "src/mc/mc_replay.h" -#include "src/surf/virtual_machine.hpp" -#include "src/surf/HostImpl.hpp" - -#include "src/kernel/activity/SynchroExec.hpp" -#include "src/kernel/activity/SynchroComm.hpp" +#include "simgrid/Exception.hpp" +#include "smx_private.hpp" +#include "src/kernel/activity/CommImpl.hpp" +#include "src/kernel/activity/ExecImpl.hpp" +#include "src/mc/mc_replay.hpp" +#include "src/plugins/vm/VirtualMachineImpl.hpp" +#include "src/simix/smx_host_private.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix, "SIMIX hosts"); -/** @brief Internal function to create a SIMIX host. */ -void SIMIX_host_create(sg_host_t host) // FIXME: braindead prototype. Take sg_host as parameter -{ - smx_host_priv_t smx_host = xbt_new0(s_smx_host_priv_t, 1); - - /* Host structure */ - simgrid::simix::ActorImpl proc; - smx_host->process_list = xbt_swag_new(xbt_swag_offset(proc, host_proc_hookup)); - - /* Update global variables */ - sg_host_simix_set(host, smx_host); -} - -/** @brief Start the host if it is off */ -void SIMIX_host_on(sg_host_t h) -{ - smx_host_priv_t host = sg_host_simix(h); - - xbt_assert((host != nullptr), "Invalid parameters"); - - if (h->isOff()) { - simgrid::surf::HostImpl* surf_host = h->extension(); - surf_host->turnOn(); - - unsigned int cpt; - smx_process_arg_t arg; - xbt_dynar_foreach(host->boot_processes,cpt,arg) { - XBT_DEBUG("Booting Process %s(%s) right now", - arg->name.c_str(), arg->hostname); - if (simix_global->create_process_function) { - simix_global->create_process_function(arg->name.c_str(), - arg->code, - nullptr, - arg->hostname, - arg->kill_time, - arg->properties, - arg->auto_restart, - nullptr); - } else { - simcall_process_create(arg->name.c_str(), - arg->code, - nullptr, - arg->hostname, - arg->kill_time, - arg->properties, - arg->auto_restart); - } - } - } -} - -/** @brief Stop the host if it is on */ -void SIMIX_host_off(sg_host_t h, smx_process_t issuer) -{ - smx_host_priv_t host = sg_host_simix(h); - - xbt_assert((host != nullptr), "Invalid parameters"); - - if (h->isOn()) { - simgrid::surf::HostImpl* surf_host = h->extension(); - surf_host->turnOff(); - - /* Clean Simulator data */ - if (xbt_swag_size(host->process_list) != 0) { - smx_process_t process = nullptr; - xbt_swag_foreach(process, host->process_list) { - SIMIX_process_kill(process, issuer); - XBT_DEBUG("Killing %s on %s by %s", - process->name.c_str(), sg_host_get_name(process->host), - issuer->name.c_str()); - } - } - } else { - XBT_INFO("Host %s is already off", h->name().c_str()); - } -} - -/** - * \brief Internal function to destroy a SIMIX host. - * - * \param h the host to destroy (a sg_host_t) - */ -void SIMIX_host_destroy(void *h) -{ - smx_host_priv_t host = static_cast(h); - - xbt_assert((host != nullptr), "Invalid parameters"); - - /* Clean Simulator data */ - if (xbt_swag_size(host->process_list) != 0) { - char *msg = xbt_strdup("Shutting down host, but it's not empty:"); - char *tmp; - smx_process_t process = nullptr; - - xbt_swag_foreach(process, host->process_list) { - tmp = bprintf("%s\n\t%s", msg, process->name.c_str()); - free(msg); - msg = tmp; - } - SIMIX_display_process_status(); - THROWF(arg_error, 0, "%s", msg); - } - xbt_dynar_free(&host->auto_restart_processes); - xbt_dynar_free(&host->boot_processes); - xbt_swag_free(host->process_list); - - /* Clean host structure */ - free(host); - return; -} - -sg_host_t SIMIX_host_self() -{ - smx_process_t process = SIMIX_process_self(); - return (process == nullptr) ? nullptr : process->host; -} - /* needs to be public and without simcall for exceptions and logging events */ -const char* SIMIX_host_self_get_name() +const char* sg_host_self_get_name() { - sg_host_t host = SIMIX_host_self(); + sg_host_t host = sg_host_self(); if (host == nullptr || SIMIX_process_self() == simix_global->maestro_process) return ""; - return sg_host_get_name(host); + return host->get_cname(); } -void _SIMIX_host_free_process_arg(void *data) +simgrid::kernel::activity::ExecImplPtr +SIMIX_execution_parallel_start(std::string name, int host_nb, const sg_host_t* host_list, const double* flops_amount, + const double* bytes_amount, double rate, double timeout) { - smx_process_arg_t arg = *(static_cast(data)); - delete arg; -} -/** - * \brief Add a process to the list of the processes that the host will restart when it comes back - * This function add a process to the list of the processes that will be restarted when the host comes - * back. It is expected that this function is called when the host is down. - * The processes will only be restarted once, meaning that you will have to register the process - * again to restart the process again. - */ -void SIMIX_host_add_auto_restart_process( - sg_host_t host, const char *name, std::function code, - void* data, const char *hostname, double kill_time, - xbt_dict_t properties, int auto_restart) -{ - if (!sg_host_simix(host)->auto_restart_processes) { - sg_host_simix(host)->auto_restart_processes = xbt_dynar_new(sizeof(smx_process_arg_t),_SIMIX_host_free_process_arg); - } - smx_process_arg_t arg = new simgrid::simix::ProcessArg(); - arg->name = name; - arg->code = std::move(code); - arg->data = data; - arg->hostname = hostname; - arg->kill_time = kill_time; - arg->properties = properties; - arg->auto_restart = auto_restart; - - if( host->isOff() && !xbt_dict_get_or_null(watched_hosts_lib,sg_host_get_name(host))){ - xbt_dict_set(watched_hosts_lib,sg_host_get_name(host),host,nullptr); - XBT_DEBUG("Push host %s to watched_hosts_lib because state == SURF_RESOURCE_OFF",sg_host_get_name(host)); - } - xbt_dynar_push_as(sg_host_simix(host)->auto_restart_processes,smx_process_arg_t,arg); -} -/** @brief Restart the list of processes that have been registered to the host */ -void SIMIX_host_autorestart(sg_host_t host) -{ - unsigned int cpt; - smx_process_arg_t arg; - xbt_dynar_t process_list = sg_host_simix(host)->auto_restart_processes; - if (!process_list) - return; - - xbt_dynar_foreach (process_list, cpt, arg) { - - XBT_DEBUG("Restarting Process %s(%s) right now", arg->name.c_str(), arg->hostname); - if (simix_global->create_process_function) { - simix_global->create_process_function(arg->name.c_str(), arg->code, nullptr, arg->hostname, arg->kill_time, - arg->properties, arg->auto_restart, nullptr); - } else { - simcall_process_create(arg->name.c_str(), arg->code, nullptr, arg->hostname, arg->kill_time, arg->properties, - arg->auto_restart); - } - } - xbt_dynar_reset(process_list); -} - -smx_activity_t simcall_HANDLER_execution_start(smx_simcall_t simcall, const char* name, double flops_amount, - double priority, double bound) { - return SIMIX_execution_start(simcall->issuer, name,flops_amount,priority,bound); -} - -smx_activity_t SIMIX_execution_start(smx_process_t issuer, const char *name, double flops_amount, double priority, - double bound){ - - /* alloc structures and initialize */ - simgrid::kernel::activity::Exec *exec = new simgrid::kernel::activity::Exec(name, issuer->host); - - /* set surf's action */ - if (!MC_is_active() && !MC_record_replay_is_active()) { - - exec->surf_exec = issuer->host->pimpl_cpu->execution_start(flops_amount); - exec->surf_exec->setData(exec); - exec->surf_exec->setPriority(priority); - - if (bound > 0) - static_cast(exec->surf_exec)->setBound(bound); - } - - XBT_DEBUG("Create execute synchro %p: %s", exec, exec->name.c_str()); - - return exec; -} - -smx_activity_t SIMIX_execution_parallel_start(const char *name, int host_nb, sg_host_t *host_list, double *flops_amount, - double *bytes_amount, double amount, double rate){ - - /* alloc structures and initialize */ - simgrid::kernel::activity::Exec *exec = new simgrid::kernel::activity::Exec(name, nullptr); - - /* set surf's synchro */ - sg_host_t *host_list_cpy = xbt_new0(sg_host_t, host_nb); - for (int i = 0; i < host_nb; i++) - host_list_cpy[i] = host_list[i]; /* Check that we are not mixing VMs and PMs in the parallel task */ - simgrid::surf::HostImpl *host = host_list[0]->extension(); - bool is_a_vm = (nullptr != dynamic_cast(host)); + bool is_a_vm = (nullptr != dynamic_cast(host_list[0])); for (int i = 1; i < host_nb; i++) { - bool tmp_is_a_vm = (nullptr != dynamic_cast(host_list[i]->extension())); + bool tmp_is_a_vm = (nullptr != dynamic_cast(host_list[i])); xbt_assert(is_a_vm == tmp_is_a_vm, "parallel_execute: mixing VMs and PMs is not supported (yet)."); } /* set surf's synchro */ - if (!MC_is_active() && !MC_record_replay_is_active()) { - exec->surf_exec = surf_host_model->executeParallelTask(host_nb, host_list_cpy, flops_amount, bytes_amount, rate); - exec->surf_exec->setData(exec); + simgrid::kernel::resource::Action* surf_action = nullptr; + simgrid::kernel::resource::Action* timeout_detector = nullptr; + if (not MC_is_active() && not MC_record_replay_is_active()) { + surf_action = surf_host_model->execute_parallel(host_nb, host_list, flops_amount, bytes_amount, rate); + if (timeout > 0) { + timeout_detector = host_list[0]->pimpl_cpu->sleep(timeout); + } } - XBT_DEBUG("Create parallel execute synchro %p", exec); - - return exec; -} - -void SIMIX_execution_cancel(smx_activity_t synchro) -{ - XBT_DEBUG("Cancel synchro %p", synchro); - simgrid::kernel::activity::Exec *exec = static_cast(synchro); - - if (exec->surf_exec) - exec->surf_exec->cancel(); -} -void SIMIX_execution_set_priority(smx_activity_t synchro, double priority) -{ - simgrid::kernel::activity::Exec *exec = static_cast(synchro); - if(exec->surf_exec) - exec->surf_exec->setPriority(priority); -} + simgrid::kernel::activity::ExecImplPtr exec = simgrid::kernel::activity::ExecImplPtr( + new simgrid::kernel::activity::ExecImpl(name, "", timeout_detector, nullptr)); + if (surf_action != nullptr) { + exec->surf_action_ = surf_action; + exec->surf_action_->set_data(exec.get()); + } + XBT_DEBUG("Create parallel execute synchro %p", exec.get()); -void SIMIX_execution_set_bound(smx_activity_t synchro, double bound) -{ - simgrid::kernel::activity::Exec *exec = static_cast(synchro); - if(exec->surf_exec) - static_cast(exec->surf_exec)->setBound(bound); + return exec; } void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_activity_t synchro) { - simgrid::kernel::activity::Exec *exec = static_cast(synchro); - XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro, (int)synchro->state); + XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (int)synchro->state_); /* Associate this simcall to the synchro */ - synchro->simcalls.push_back(simcall); + synchro->simcalls_.push_back(simcall); simcall->issuer->waiting_synchro = synchro; /* set surf's synchro */ if (MC_is_active() || MC_record_replay_is_active()) { - synchro->state = SIMIX_DONE; - SIMIX_execution_finish(exec); + synchro->state_ = SIMIX_DONE; + SIMIX_execution_finish(synchro); return; } /* If the synchro is already finished then perform the error handling */ - if (synchro->state != SIMIX_RUNNING) - SIMIX_execution_finish(exec); + if (synchro->state_ != SIMIX_RUNNING) + SIMIX_execution_finish(synchro); +} + +void simcall_HANDLER_execution_test(smx_simcall_t simcall, smx_activity_t synchro) +{ + int res = (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING); + if (res) { + synchro->simcalls_.push_back(simcall); + SIMIX_execution_finish(synchro); + } else { + SIMIX_simcall_answer(simcall); + } + simcall_execution_test__set__result(simcall, res); } -void SIMIX_execution_finish(simgrid::kernel::activity::Exec *exec) +void SIMIX_execution_finish(smx_activity_t synchro) { - for (smx_simcall_t simcall : exec->simcalls) { - switch (exec->state) { + simgrid::kernel::activity::ExecImplPtr exec = + boost::static_pointer_cast(synchro); + + while (not synchro->simcalls_.empty()) { + smx_simcall_t simcall = synchro->simcalls_.front(); + synchro->simcalls_.pop_front(); + switch (exec->state_) { case SIMIX_DONE: /* do nothing, synchro done */ @@ -313,9 +105,10 @@ void SIMIX_execution_finish(simgrid::kernel::activity::Exec *exec) break; case SIMIX_FAILED: - XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", sg_host_get_name(simcall->issuer->host)); - simcall->issuer->context->iwannadie = 1; - SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed"); + XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->host_->get_cname()); + simcall->issuer->context_->iwannadie = true; + simcall->issuer->exception = + std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed")); break; case SIMIX_CANCELED: @@ -323,37 +116,22 @@ void SIMIX_execution_finish(simgrid::kernel::activity::Exec *exec) SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled"); break; + case SIMIX_TIMEOUT: + XBT_DEBUG("SIMIX_execution_finished: execution timeouted"); + simcall->issuer->exception = std::make_exception_ptr(simgrid::TimeoutError(XBT_THROW_POINT, "Timeouted")); + break; + default: - xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d", - (int)exec->state); + xbt_die("Internal error in SIMIX_execution_finish: unexpected synchro state %d", (int)exec->state_); } - /* Fail the process if the host is down */ - if (simcall->issuer->host->isOff()) - simcall->issuer->context->iwannadie = 1; simcall->issuer->waiting_synchro = nullptr; - simcall_execution_wait__set__result(simcall, exec->state); - SIMIX_simcall_answer(simcall); - } - - /* We no longer need it */ - exec->unref(); -} - -void SIMIX_set_category(smx_activity_t synchro, const char *category) -{ - if (synchro->state != SIMIX_RUNNING) - return; - - simgrid::kernel::activity::Exec *exec = dynamic_cast(synchro); - if (exec != nullptr) { - exec->surf_exec->setCategory(category); - return; - } + simcall_execution_wait__set__result(simcall, exec->state_); - simgrid::kernel::activity::Comm *comm = dynamic_cast(synchro); - if (comm != nullptr) { - comm->surf_comm->setCategory(category); - return; + /* Fail the process if the host is down */ + if (simcall->issuer->host_->is_on()) + SIMIX_simcall_answer(simcall); + else + simcall->issuer->context_->iwannadie = true; } }