-/* 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 "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 "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");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix, "SIMIX hosts");
-static void SIMIX_execution_finish(smx_synchro_t synchro);
-
-/**
- * \brief Internal function to create a SIMIX host.
- * \param name name of the host to create
- */
-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);
- s_smx_process_t proc;
-
- /* Host structure */
- 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 != NULL), "Invalid parameters");
-
- if (h->isOff()) {
- simgrid::surf::HostImpl* surf_host = h->extension<simgrid::surf::HostImpl>();
- surf_host->turnOn();
-
- unsigned int cpt;
- smx_process_arg_t arg;
- xbt_dynar_foreach(host->boot_processes,cpt,arg) {
-
- char** argv = xbt_new(char*, arg->argc);
- for (int i=0; i<arg->argc; i++)
- argv[i] = xbt_strdup(arg->argv[i]);
-
- XBT_DEBUG("Booting Process %s(%s) right now", arg->argv[0], arg->hostname);
- if (simix_global->create_process_function) {
- simix_global->create_process_function(argv[0],
- arg->code,
- NULL,
- arg->hostname,
- arg->kill_time,
- arg->argc,
- argv,
- arg->properties,
- arg->auto_restart,
- NULL);
- } else {
- simcall_process_create(arg->argv[0],
- arg->code,
- NULL,
- arg->hostname,
- arg->kill_time,
- arg->argc,
- argv,
- 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 != NULL), "Invalid parameters");
-
- if (h->isOn()) {
- simgrid::surf::HostImpl* surf_host = h->extension<simgrid::surf::HostImpl>();
- surf_host->turnOff();
-
- /* Clean Simulator data */
- if (xbt_swag_size(host->process_list) != 0) {
- smx_process_t process = NULL;
- xbt_swag_foreach(process, host->process_list) {
- SIMIX_process_kill(process, issuer);
- XBT_DEBUG("Killing %s on %s by %s", process->name, sg_host_get_name(process->host), issuer->name);
- }
- }
- } 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 = (smx_host_priv_t) h;
-
- xbt_assert((host != NULL), "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 = NULL;
-
- xbt_swag_foreach(process, host->process_list) {
- tmp = bprintf("%s\n\t%s", msg, process->name);
- 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(void)
+/* needs to be public and without simcall for exceptions and logging events */
+const char* sg_host_self_get_name()
{
- smx_process_t process = SIMIX_process_self();
- return (process == NULL) ? NULL : SIMIX_process_get_host(process);
-}
-
-/* needs to be public and without simcall because it is called
- by exceptions and logging events */
-const char* SIMIX_host_self_get_name(void)
-{
- sg_host_t host = SIMIX_host_self();
- if (host == NULL || SIMIX_process_self() == simix_global->maestro_process)
+ 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)
-{
- smx_process_arg_t arg = *(smx_process_arg_t*)data;
- int i;
- for (i = 0; i < arg->argc; i++)
- xbt_free(arg->argv[i]);
- xbt_free(arg->argv);
- xbt_free(arg->name);
- xbt_free(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,
- xbt_main_func_t code,
- void *data,
- const char *hostname,
- double kill_time,
- int argc, char **argv,
- 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 = xbt_new(s_smx_process_arg_t,1);
- arg->name = xbt_strdup(name);
- arg->code = code;
- arg->data = data;
- arg->hostname = hostname;
- arg->kill_time = kill_time;
- arg->argc = argc;
-
- arg->argv = xbt_new(char*,argc + 1);
-
- for (int i = 0; i < argc; i++)
- arg->argv[i] = xbt_strdup(argv[i]);
- arg->argv[argc] = NULL;
-
- 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,NULL);
- 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)
+simgrid::kernel::activity::ExecImplPtr SIMIX_execution_start(std::string name, std::string category,
+ double flops_amount, double priority, double bound,
+ 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->argv[0], arg->hostname);
- if (simix_global->create_process_function) {
- simix_global->create_process_function(arg->argv[0],
- arg->code,
- NULL,
- arg->hostname,
- arg->kill_time,
- arg->argc,
- arg->argv,
- arg->properties,
- arg->auto_restart,
- NULL);
- } else {
- simcall_process_create(arg->argv[0],
- (xbt_main_func_t) arg->code,
- NULL,
- arg->hostname,
- arg->kill_time,
- arg->argc,
- arg->argv,
- arg->properties,
- arg->auto_restart);
-
- }
- /* arg->argv is used by the process created above. Hide it to
- * _SIMIX_host_free_process_arg() which is called by xbt_dynar_reset()
- * below. */
- arg->argc = 0;
- arg->argv = NULL;
- }
- xbt_dynar_reset(process_list);
-}
-
-smx_synchro_t simcall_HANDLER_execution_start(smx_simcall_t simcall,
- const char* name, double flops_amount, double priority, double bound, unsigned long affinity_mask) {
- return SIMIX_execution_start(simcall->issuer, name,flops_amount,priority,bound,affinity_mask);
-}
-smx_synchro_t SIMIX_execution_start(smx_process_t issuer, const char *name,
- double flops_amount, double priority, double bound, unsigned long affinity_mask){
-
- /* alloc structures and initialize */
- smx_synchro_t synchro = (smx_synchro_t) xbt_mallocator_get(simix_global->synchro_mallocator);
- synchro->type = SIMIX_SYNC_EXECUTE;
- synchro->name = xbt_strdup(name);
- synchro->state = SIMIX_RUNNING;
- synchro->execution.host = issuer->host;
- synchro->category = NULL;
-
/* set surf's action */
- if (!MC_is_active() && !MC_record_replay_is_active()) {
-
- synchro->execution.surf_exec = issuer->host->pimpl_cpu->execution_start(flops_amount);
- synchro->execution.surf_exec->setData(synchro);
- synchro->execution.surf_exec->setPriority(priority);
-
- if (bound != 0)
- static_cast<simgrid::surf::CpuAction*>(synchro->execution.surf_exec)
- ->setBound(bound);
-
- if (affinity_mask != 0) {
- /* just a double check to confirm that this host is the host where this task is running. */
- xbt_assert(synchro->execution.host == issuer->host);
- static_cast<simgrid::surf::CpuAction*>(synchro->execution.surf_exec)
- ->setAffinity(issuer->host->pimpl_cpu, affinity_mask);
- }
+ simgrid::kernel::resource::Action* surf_action = nullptr;
+ if (not MC_is_active() && not MC_record_replay_is_active()) {
+ surf_action = host->pimpl_cpu->execution_start(flops_amount);
+ surf_action->set_priority(priority);
+ if (bound > 0)
+ surf_action->set_bound(bound);
}
- XBT_DEBUG("Create execute synchro %p: %s", synchro, synchro->name);
-
- return synchro;
-}
-
-smx_synchro_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){
+ simgrid::kernel::activity::ExecImplPtr exec = simgrid::kernel::activity::ExecImplPtr(
+ new simgrid::kernel::activity::ExecImpl(name, surf_action, /*timeout_detector*/ nullptr, host));
- sg_host_t*host_list_cpy = NULL;
- int i;
+ exec->set_category(category);
+ XBT_DEBUG("Create execute synchro %p: %s", exec.get(), exec->name_.c_str());
+ simgrid::kernel::activity::ExecImpl::on_creation(exec);
- /* alloc structures and initialize */
- smx_synchro_t synchro = (smx_synchro_t) xbt_mallocator_get(simix_global->synchro_mallocator);
- synchro->type = SIMIX_SYNC_PARALLEL_EXECUTE;
- synchro->name = xbt_strdup(name);
- synchro->state = SIMIX_RUNNING;
- synchro->execution.host = NULL; /* FIXME: do we need the list of hosts? */
- synchro->category = NULL;
+ return exec;
+}
- /* set surf's synchro */
- host_list_cpy = xbt_new0(sg_host_t, host_nb);
- for (i = 0; i < host_nb; i++)
- host_list_cpy[i] = host_list[i];
+simgrid::kernel::activity::ExecImplPtr SIMIX_execution_parallel_start(std::string name, int host_nb,
+ sg_host_t* host_list, double* flops_amount,
+ double* bytes_amount, double rate, double timeout)
+{
/* Check that we are not mixing VMs and PMs in the parallel task */
- simgrid::surf::HostImpl *host = host_list[0]->extension<simgrid::surf::HostImpl>();
- bool is_a_vm = (nullptr != dynamic_cast<simgrid::surf::VirtualMachine*>(host));
- for (i = 1; i < host_nb; i++) {
- bool tmp_is_a_vm = (nullptr != dynamic_cast<simgrid::surf::VirtualMachine*>(host_list[i]->extension<simgrid::surf::HostImpl>()));
+ bool is_a_vm = (nullptr != dynamic_cast<simgrid::s4u::VirtualMachine*>(host_list[0]));
+ for (int i = 1; i < host_nb; i++) {
+ bool tmp_is_a_vm = (nullptr != dynamic_cast<simgrid::s4u::VirtualMachine*>(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()) {
- synchro->execution.surf_exec =
- surf_host_model->executeParallelTask(
- host_nb, host_list_cpy, flops_amount, bytes_amount, rate);
-
- synchro->execution.surf_exec->setData(synchro);
- }
- XBT_DEBUG("Create parallel execute synchro %p", synchro);
-
- return synchro;
-}
-
-void SIMIX_execution_destroy(smx_synchro_t synchro)
-{
- XBT_DEBUG("Destroy synchro %p", synchro);
-
- if (synchro->execution.surf_exec) {
- synchro->execution.surf_exec->unref();
- synchro->execution.surf_exec = NULL;
+ 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_free(synchro->name);
- xbt_mallocator_release(simix_global->synchro_mallocator, synchro);
-}
-
-void SIMIX_execution_cancel(smx_synchro_t synchro)
-{
- XBT_DEBUG("Cancel synchro %p", synchro);
-
- if (synchro->execution.surf_exec)
- synchro->execution.surf_exec->cancel();
-}
-
-double SIMIX_execution_get_remains(smx_synchro_t synchro)
-{
- double result = 0.0;
-
- if (synchro->state == SIMIX_RUNNING)
- result = synchro->execution.surf_exec->getRemains();
-
- return result;
-}
-
-e_smx_state_t SIMIX_execution_get_state(smx_synchro_t synchro)
-{
- return synchro->state;
-}
-
-void SIMIX_execution_set_priority(smx_synchro_t synchro, double priority)
-{
- if(synchro->execution.surf_exec)
- synchro->execution.surf_exec->setPriority(priority);
-}
-void SIMIX_execution_set_bound(smx_synchro_t synchro, double bound)
-{
- if(synchro->execution.surf_exec)
- static_cast<simgrid::surf::CpuAction*>(synchro->execution.surf_exec)->setBound(bound);
-}
+ simgrid::kernel::activity::ExecImplPtr exec = simgrid::kernel::activity::ExecImplPtr(
+ new simgrid::kernel::activity::ExecImpl(name, surf_action, timeout_detector, nullptr));
-void SIMIX_execution_set_affinity(smx_synchro_t synchro, sg_host_t host, unsigned long mask)
-{
- xbt_assert(synchro->type == SIMIX_SYNC_EXECUTE);
+ XBT_DEBUG("Create parallel execute synchro %p", exec.get());
- if (synchro->execution.surf_exec) {
- /* just a double check to confirm that this host is the host where this task is running. */
- xbt_assert(synchro->execution.host == host);
- static_cast<simgrid::surf::CpuAction*>(synchro->execution.surf_exec)
- ->setAffinity(host->pimpl_cpu, mask);
- }
+ return exec;
}
-void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_synchro_t synchro)
+void simcall_HANDLER_execution_wait(smx_simcall_t simcall, smx_activity_t 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 */
- xbt_fifo_push(synchro->simcalls, 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;
+ 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)
+ if (synchro->state_ != SIMIX_RUNNING)
SIMIX_execution_finish(synchro);
}
-void SIMIX_execution_suspend(smx_synchro_t synchro)
+void simcall_HANDLER_execution_test(smx_simcall_t simcall, smx_activity_t synchro)
{
- if(synchro->execution.surf_exec)
- synchro->execution.surf_exec->suspend();
-}
-
-void SIMIX_execution_resume(smx_synchro_t synchro)
-{
- if(synchro->execution.surf_exec)
- synchro->execution.surf_exec->resume();
+ 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(smx_synchro_t synchro)
+void SIMIX_execution_finish(smx_activity_t synchro)
{
- xbt_fifo_item_t item;
- smx_simcall_t simcall;
-
- xbt_fifo_foreach(synchro->simcalls, item, simcall, smx_simcall_t) {
+ simgrid::kernel::activity::ExecImplPtr exec =
+ boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
- switch (synchro->state) {
+ 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 */
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:
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)synchro->state);
- }
- /* check if the host is down */
- if (simcall->issuer->host->isOff()) {
- simcall->issuer->context->iwannadie = 1;
+ 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_->is_off())
+ simcall->issuer->context_->iwannadie = true;
- simcall->issuer->waiting_synchro = NULL;
- simcall_execution_wait__set__result(simcall, synchro->state);
+ simcall->issuer->waiting_synchro = nullptr;
+ simcall_execution_wait__set__result(simcall, exec->state_);
SIMIX_simcall_answer(simcall);
}
-
- /* We no longer need it */
- SIMIX_execution_destroy(synchro);
}
-
-void SIMIX_post_host_execute(smx_synchro_t synchro)
+void SIMIX_set_category(smx_activity_t synchro, std::string category)
{
- if (synchro->type == SIMIX_SYNC_EXECUTE && /* FIMXE: handle resource failure
- * for parallel tasks too */
- synchro->execution.host->isOff()) {
- /* If the host running the synchro failed, notice it so that the asking
- * process can be killed if it runs on that host itself */
- synchro->state = SIMIX_FAILED;
- } else if (synchro->execution.surf_exec->getState() == simgrid::surf::Action::State::failed) {
- /* If the host running the synchro didn't fail, then the synchro was
- * canceled */
- synchro->state = SIMIX_CANCELED;
- } else {
- synchro->state = SIMIX_DONE;
- }
-
- if (synchro->execution.surf_exec) {
- synchro->execution.surf_exec->unref();
- synchro->execution.surf_exec = NULL;
- }
+ if (synchro->state_ != SIMIX_RUNNING)
+ return;
- /* If there are simcalls associated with the synchro, then answer them */
- if (xbt_fifo_size(synchro->simcalls)) {
- SIMIX_execution_finish(synchro);
+ simgrid::kernel::activity::ExecImplPtr exec =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::ExecImpl>(synchro);
+ if (exec != nullptr) {
+ exec->surf_action_->set_category(category);
+ return;
}
-}
-
-void SIMIX_set_category(smx_synchro_t synchro, const char *category)
-{
- if (synchro->state != SIMIX_RUNNING) return;
- if (synchro->type == SIMIX_SYNC_EXECUTE){
- synchro->execution.surf_exec->setCategory(category);
- }else if (synchro->type == SIMIX_SYNC_COMMUNICATE){
- synchro->comm.surf_comm->setCategory(category);
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::dynamic_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+ if (comm != nullptr) {
+ comm->surfAction_->set_category(category);
}
}
