-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2012. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix,
"Logging specific to SIMIX (hosts)");
-
static void SIMIX_execution_finish(smx_action_t action);
/**
SIMIX_display_process_status();
THROWF(arg_error, 0, "%s", msg);
}
-
+ xbt_dynar_free(&host->auto_restart_processes);
xbt_swag_free(host->process_list);
/* Clean host structure */
return host->data;
}
+void _SIMIX_host_free_process_arg(void *);
+void _SIMIX_host_free_process_arg(void *data)
+{
+ smx_process_arg_t arg = *(void**)data;
+ 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(smx_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 (!host->auto_restart_processes) {
+ 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);
+
+ int i;
+ for (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( SIMIX_host_get_state(host) == SURF_RESOURCE_OFF
+ && !xbt_dict_get_or_null(watched_hosts_lib,host->name)){
+ xbt_dict_set(watched_hosts_lib,host->name,host,NULL);
+ XBT_DEBUG("Have push host %s to watched_hosts_lib because state == SURF_RESOURCE_OFF",host->name);
+ }
+ xbt_dynar_push_as(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_restart_processes(smx_host_t host)
+{
+ unsigned int cpt;
+ smx_process_arg_t arg;
+ xbt_dynar_foreach(host->auto_restart_processes,cpt,arg) {
+
+ smx_process_t process;
+
+ XBT_DEBUG("Restarting Process %s(%s) right now", arg->argv[0], arg->hostname);
+ if (simix_global->create_process_function) {
+ simix_global->create_process_function(&process,
+ arg->argv[0],
+ arg->code,
+ NULL,
+ arg->hostname,
+ arg->kill_time,
+ arg->argc,
+ arg->argv,
+ arg->properties,
+ arg->auto_restart);
+ }
+ else {
+ simcall_process_create(&process,
+ arg->argv[0],
+ arg->code,
+ NULL,
+ arg->hostname,
+ arg->kill_time,
+ arg->argc,
+ arg->argv,
+ arg->properties,
+ arg->auto_restart);
+
+ }
+ }
+ xbt_dynar_reset(host->auto_restart_processes);
+}
+
+void SIMIX_host_autorestart(smx_host_t host)
+{
+ if(simix_global->autorestart)
+ simix_global->autorestart(host);
+ else
+ xbt_die("No function for simix_global->autorestart");
+}
void SIMIX_host_set_data(smx_host_t host, void *data)
{
#endif
/* set surf's action */
- if (!MC_IS_ENABLED) {
+ if (!MC_is_active()) {
action->execution.surf_exec =
surf_workstation_model->extension.workstation.execute(host->host,
computation_amount);
workstation_list[i] = host_list[i]->host;
/* set surf's action */
- if (!MC_IS_ENABLED) {
+ if (!MC_is_active()) {
action->execution.surf_exec =
surf_workstation_model->extension.workstation.
execute_parallel_task(host_nb, workstation_list, computation_amount,
void SIMIX_host_execution_destroy(smx_action_t action)
{
- int destroyed=0;
XBT_DEBUG("Destroy action %p", action);
-
if (action->execution.surf_exec) {
- destroyed = surf_workstation_model->action_unref(action->execution.surf_exec);
+ surf_workstation_model->action_unref(action->execution.surf_exec);
action->execution.surf_exec = NULL;
}
-
- if (destroyed) {
- xbt_free(action->name);
- xbt_mallocator_release(simix_global->action_mallocator, action);
- }
+ xbt_free(action->name);
+ xbt_mallocator_release(simix_global->action_mallocator, action);
}
void SIMIX_host_execution_cancel(smx_action_t action)
simcall->issuer->waiting_action = action;
/* set surf's action */
- if (MC_IS_ENABLED) {
+ if (MC_is_active()) {
action->state = SIMIX_DONE;
SIMIX_execution_finish(action);
return;
case SIMIX_FAILED:
XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->smx_host->name);
- if (simcall->issuer->smx_host == action->execution.host) {
- // add a reference to the action that will be destroyed when the killed process is cleaned up, and by the end of the current function
- surf_action_ref(action->execution.surf_exec);
- SIMIX_process_kill(simcall->issuer);
- } else {
- SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
- }
+ simcall->issuer->context->iwannadie = 1;
+ //SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
break;
case SIMIX_CANCELED:
xbt_die("Internal error in SIMIX_execution_finish: unexpected action state %d",
(int)action->state);
}
- simcall->issuer->waiting_action = NULL;
+ /* check if the host is down */
+ if (surf_workstation_model->extension.
+ workstation.get_state(simcall->issuer->smx_host->host) != SURF_RESOURCE_ON) {
+ simcall->issuer->context->iwannadie = 1;
+ }
+
+ simcall->issuer->waiting_action = NULL;
simcall->host_execution_wait.result = action->state;
SIMIX_simcall_answer(simcall);
}
void SIMIX_post_host_execute(smx_action_t action)
{
- if (surf_workstation_model->extension.workstation.get_state(action->execution.host->host)==SURF_RESOURCE_OFF) {
- /* if the host running the action failed, notice it so that the asking process can be killed if it runs on that host itself */
+ if (action->type == SIMIX_ACTION_EXECUTE && /* FIMXE: handle resource failure
+ * for parallel tasks too */
+ surf_workstation_model->extension.workstation.get_state(action->execution.host->host) == SURF_RESOURCE_OFF) {
+ /* If the host running the action failed, notice it so that the asking
+ * process can be killed if it runs on that host itself */
action->state = SIMIX_FAILED;
} else if (surf_workstation_model->action_state_get(action->execution.surf_exec) == SURF_ACTION_FAILED) {
- /* If the host running the action didn't fail, then the action was canceled */
- action->state = SIMIX_CANCELED;
+ /* If the host running the action didn't fail, then the action was
+ * canceled */
+ action->state = SIMIX_CANCELED;
} else {
- action->state = SIMIX_DONE;
+ action->state = SIMIX_DONE;
}
if (action->execution.surf_exec) {
