-/* 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
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include "private.h"
+#include "smx_private.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
#include "xbt/dict.h"
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;
}
-/**
- * \brief Returns a dict of all hosts.
- *
- * \return List of all hosts (as a #xbt_dict_t)
- */
-xbt_dict_t SIMIX_host_get_dict(void)
-{
- xbt_dict_t host_dict = xbt_dict_new();
- xbt_lib_cursor_t cursor = NULL;
- char *name = NULL;
- void **host = NULL;
-
- xbt_lib_foreach(host_lib, cursor, name, host){
- if(host[SIMIX_HOST_LEVEL])
- xbt_dict_set(host_dict,name,host[SIMIX_HOST_LEVEL],NULL);
- }
- return host_dict;
-}
-
-smx_host_t SIMIX_host_get_by_name(const char *name)
+///**
+// * \brief Returns a dict of all hosts.
+// *
+// * \return List of all hosts (as a #xbt_dict_t)
+// */
+//xbt_dict_t SIMIX_host_get_dict(void)
+//{
+// xbt_dict_t host_dict = xbt_dict_new_homogeneous(NULL);
+// xbt_lib_cursor_t cursor = NULL;
+// char *name = NULL;
+// void **host = NULL;
+//
+// xbt_lib_foreach(host_lib, cursor, name, host){
+// if(host[SIMIX_HOST_LEVEL])
+// xbt_dict_set(host_dict,name,host[SIMIX_HOST_LEVEL], NULL);
+// }
+// return host_dict;
+//}
+
+smx_host_t SIMIX_host_get_by_name(u_smx_scalar_t *args)
{
+ const char *name = args[0].cc;
xbt_assert(((simix_global != NULL)
&& (host_lib != NULL)),
"Environment not set yet");
return (process == NULL) ? NULL : SIMIX_process_get_host(process);
}
-/* needs to be public and without request because it is called
+/* needs to be public and without simcall because it is called
by exceptions and logging events */
const char* SIMIX_host_self_get_name(void)
{
if (host == NULL || SIMIX_process_self() == simix_global->maestro_process)
return "";
- return SIMIX_host_get_name(host);
+ return SIMIX_host_get_name(SIMIX_pack_args(PTR(host)));
}
-const char* SIMIX_host_get_name(smx_host_t host)
+const char* SIMIX_host_get_name(u_smx_scalar_t *args)
{
+ smx_host_t host = args[0].p;
xbt_assert((host != NULL), "Invalid parameters");
return host->name;
}
-xbt_dict_t SIMIX_host_get_properties(smx_host_t host)
+xbt_dict_t SIMIX_host_get_properties(u_smx_scalar_t *args)
{
+ smx_host_t host = args[0].p;
xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
return surf_workstation_model->extension.workstation.get_properties(host->host);
}
-double SIMIX_host_get_speed(smx_host_t host)
+double SIMIX_host_get_speed(u_smx_scalar_t *args)
{
+ smx_host_t host = args[0].p;
xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
return surf_workstation_model->extension.workstation.
get_speed(host->host, 1.0);
}
-double SIMIX_host_get_available_speed(smx_host_t host)
+double SIMIX_host_get_available_speed(u_smx_scalar_t *args)
{
+ smx_host_t host = args[0].p;
xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
return surf_workstation_model->extension.workstation.
get_available_speed(host->host);
}
-int SIMIX_host_get_state(smx_host_t host)
+int SIMIX_host_get_state(u_smx_scalar_t *args)
{
+ smx_host_t host = args[0].p;
xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
return surf_workstation_model->extension.workstation.
void* SIMIX_host_self_get_data(void)
{
- return SIMIX_host_get_data(SIMIX_host_self());
+ smx_host_t self = SIMIX_host_self();
+ return SIMIX_host_get_data(SIMIX_pack_args(PTR(self)));
}
void SIMIX_host_self_set_data(void *data)
{
- SIMIX_host_set_data(SIMIX_host_self(), data);
+ smx_host_t self = SIMIX_host_self();
+ SIMIX_host_set_data(SIMIX_pack_args(PTR(self), PTR(data)));
}
-void* SIMIX_host_get_data(smx_host_t host)
+void* SIMIX_host_get_data(u_smx_scalar_t *args)
{
+ smx_host_t host = args[0].p;
xbt_assert((host != NULL), "Invalid parameters (simix host is NULL)");
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(SIMIX_pack_args(PTR(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_set_data(smx_host_t host, void *data)
+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(u_smx_scalar_t *args)
+{
+ smx_host_t host = args[0].p;
+ void *data = args[1].p;
xbt_assert((host != NULL), "Invalid parameters");
xbt_assert((host->data == NULL), "Data already set");
host->data = data;
}
-smx_action_t SIMIX_host_execute(const char *name, smx_host_t host,
- double computation_amount,
- double priority)
+smx_action_t SIMIX_host_execute(u_smx_scalar_t args[])
{
+ const char *name = args[0].p;
+ smx_host_t host = args[1].p;
+ double computation_amount = args[2].d;
+ double priority = args[3].d;
+
/* alloc structures and initialize */
smx_action_t action = xbt_mallocator_get(simix_global->action_mallocator);
action->type = SIMIX_ACTION_EXECUTE;
#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);
+ computation_amount);
surf_workstation_model->action_data_set(action->execution.surf_exec, action);
surf_workstation_model->set_priority(action->execution.surf_exec, priority);
}
return action;
}
-smx_action_t SIMIX_host_parallel_execute( const char *name,
- int host_nb, smx_host_t *host_list,
- double *computation_amount, double *communication_amount,
- double amount, double rate)
+smx_action_t SIMIX_host_parallel_execute(u_smx_scalar_t *args)
{
+ const char *name = args[0].cc;
+ int host_nb = args[1].i;
+ smx_host_t *host_list = args[2].p;
+ double *computation_amount = args[3].p;
+ double *communication_amount = args[4].p;
+ double amount = args[5].d;
+ double rate = args[6].d;
void **workstation_list = NULL;
int i;
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,
- communication_amount, amount, rate);
+ communication_amount, rate);
surf_workstation_model->action_data_set(action->execution.surf_exec, action);
}
return action;
}
-void SIMIX_host_execution_destroy(smx_action_t action)
+void SIMIX_host_execution_destroy(u_smx_scalar_t *args)
{
+ smx_action_t action = args[0].p;
XBT_DEBUG("Destroy action %p", action);
- xbt_free(action->name);
-
if (action->execution.surf_exec) {
surf_workstation_model->action_unref(action->execution.surf_exec);
action->execution.surf_exec = NULL;
}
-
+ xbt_free(action->name);
xbt_mallocator_release(simix_global->action_mallocator, action);
}
-void SIMIX_host_execution_cancel(smx_action_t action)
+void SIMIX_host_execution_cancel(u_smx_scalar_t *args)
{
+ smx_action_t action = args[0].p;
XBT_DEBUG("Cancel action %p", action);
if (action->execution.surf_exec)
surf_workstation_model->action_cancel(action->execution.surf_exec);
}
-double SIMIX_host_execution_get_remains(smx_action_t action)
+double SIMIX_host_execution_get_remains(u_smx_scalar_t *args)
{
+ smx_action_t action = args[0].p;
double result = 0.0;
if (action->state == SIMIX_RUNNING)
return result;
}
-e_smx_state_t SIMIX_host_execution_get_state(smx_action_t action)
+e_smx_state_t SIMIX_host_execution_get_state(u_smx_scalar_t *args)
{
+ smx_action_t action = args[0].p;
return action->state;
}
-void SIMIX_host_execution_set_priority(smx_action_t action, double priority)
+void SIMIX_host_execution_set_priority(u_smx_scalar_t *args)
{
+ smx_action_t action = args[0].p;
+ double priority = args[1].d;
if(action->execution.surf_exec)
surf_workstation_model->set_priority(action->execution.surf_exec, priority);
}
-void SIMIX_pre_host_execution_wait(smx_req_t req)
+void SIMIX_pre_host_execution_wait(u_smx_scalar_t *args)
{
- smx_action_t action = req->host_execution_wait.execution;
+ smx_simcall_t simcall = args[0].p;
+ smx_action_t action = args[1].p;
- XBT_DEBUG("Wait for execution of action %p, state %d", action, action->state);
+ XBT_DEBUG("Wait for execution of action %p, state %d", action, (int)action->state);
- /* Associate this request to the action */
- xbt_fifo_push(action->request_list, req);
- req->issuer->waiting_action = action;
+ /* Associate this simcall to the action */
+ xbt_fifo_push(action->simcalls, simcall);
+ 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;
void SIMIX_host_execution_resume(smx_action_t action)
{
if(action->execution.surf_exec)
- surf_workstation_model->suspend(action->execution.surf_exec);
+ surf_workstation_model->resume(action->execution.surf_exec);
}
void SIMIX_execution_finish(smx_action_t action)
{
xbt_fifo_item_t item;
- smx_req_t req;
+ smx_simcall_t simcall;
- xbt_fifo_foreach(action->request_list, item, req, smx_req_t) {
+ xbt_fifo_foreach(action->simcalls, item, simcall, smx_simcall_t) {
switch (action->state) {
case SIMIX_DONE:
- /* do nothing, action done*/
- XBT_DEBUG("SIMIX_execution_finished: execution successful");
+ /* do nothing, action done */
+ XBT_DEBUG("SIMIX_execution_finished: execution successful");
break;
case SIMIX_FAILED:
- TRY {
- XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", req->issuer->smx_host->name);
- THROWF(host_error, 0, "Host failed");
- }
- CATCH(req->issuer->running_ctx->exception) {
- req->issuer->doexception = 1;
- }
- break;
+ XBT_DEBUG("SIMIX_execution_finished: host '%s' failed", simcall->issuer->smx_host->name);
+ simcall->issuer->context->iwannadie = 1;
+ //SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
+ break;
case SIMIX_CANCELED:
- TRY {
- XBT_DEBUG("SIMIX_execution_finished: execution canceled");
- THROWF(cancel_error, 0, "Canceled");
- }
- CATCH(req->issuer->running_ctx->exception) {
- req->issuer->doexception = 1;
- }
- break;
+ XBT_DEBUG("SIMIX_execution_finished: execution canceled");
+ SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
+ break;
default:
- THROW_IMPOSSIBLE;
+ xbt_die("Internal error in SIMIX_execution_finish: unexpected action state %d",
+ (int)action->state);
+ }
+ /* 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;
}
- req->issuer->waiting_action = NULL;
- req->host_execution_wait.result = action->state;
- SIMIX_request_answer(req);
+
+ simcall->issuer->waiting_action = NULL;
+ simcall->host_execution_wait.result = action->state;
+ SIMIX_simcall_answer(simcall);
}
/* We no longer need it */
- SIMIX_host_execution_destroy(action);
+ SIMIX_host_execution_destroy(SIMIX_pack_args(PTR(action)));
}
void SIMIX_post_host_execute(smx_action_t action)
{
- /* FIXME: check if the host running the action failed or not*/
- /*if(surf_workstation_model->extension.workstation.get_state(action->host->host))*/
-
- /* If the host running the action didn't fail, then the action was cancelled */
- if (surf_workstation_model->action_state_get(action->execution.surf_exec) == SURF_ACTION_FAILED)
- action->state = SIMIX_CANCELED;
- else
- action->state = SIMIX_DONE;
+ 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;
+ } else {
+ action->state = SIMIX_DONE;
+ }
if (action->execution.surf_exec) {
surf_workstation_model->action_unref(action->execution.surf_exec);
action->execution.surf_exec = NULL;
}
- /* If there are requests associated with the action, then answer them */
- if (xbt_fifo_size(action->request_list))
+ /* If there are simcalls associated with the action, then answer them */
+ if (xbt_fifo_size(action->simcalls)) {
SIMIX_execution_finish(action);
+ }
}
