-#include "simdag/simdag.h"
#include "private.h"
-#include "xbt/asserts.h"
#include "xbt/sysdep.h"
+#include "xbt/dynar.h"
#include "surf/surf.h"
-#define CHECK_INIT_DONE() xbt_assert0(init_done, "SG_init not called yet")
+XBT_LOG_NEW_CATEGORY(sd,"Logging specific to SimDag");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel,sd,
+ "Logging specific to SimDag (kernel)");
-SG_global_t sg_global = NULL;
+SD_global_t sd_global = NULL;
-static int init_done = 0;
-
-/* Initialises SG internal data. This function should be called before any other SG function.
+/* Initialises SD internal data. This function should be called before any other SD function.
*/
-void SG_init(int *argc, char **argv) {
- xbt_assert0(!init_done, "SG_init already called");
+void SD_init(int *argc, char **argv) {
+ xbt_assert0(sd_global == NULL, "SD_init already called");
- sg_global = xbt_new0(s_SG_global_t, 1);
- sg_global->workstations = xbt_dict_new();
- sg_global->workstation_count = 0;
+ sd_global = xbt_new0(s_SD_global_t, 1);
+ sd_global->workstations = xbt_dict_new();
+ sd_global->workstation_count = 0;
+ sd_global->links = xbt_dict_new();
+ sd_global->watch_point_reached = 0;
- surf_init(argc, argv);
+ s_SD_task_t task;
+ sd_global->not_scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->running_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->done_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->failed_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
- init_done = 1;
+ surf_init(argc, argv);
}
-/* Creates the environnement described in a xml file of a platform descriptions.
+/* Creates the environnement described in a xml file of a platform description.
*/
-void SG_create_environment(const char *platform_file) {
+void SD_create_environment(const char *platform_file) {
xbt_dict_cursor_t cursor = NULL;
char *name = NULL;
- void *workstation = NULL;
+ void *surf_workstation = NULL;
+ void *surf_link = NULL;
+
+ SD_CHECK_INIT_DONE();
+
+ surf_timer_resource_init(platform_file); /* tell Surf to create the environnement */
+
+
+ /*printf("surf_workstation_resource = %p, workstation_set = %p\n", surf_workstation_resource, workstation_set);
+ printf("surf_network_resource = %p, network_link_set = %p\n", surf_network_resource, network_link_set);*/
- CHECK_INIT_DONE();
- surf_timer_resource_init(platform_file);
- surf_workstation_resource_init_KCCFLN05(platform_file); /* tell Surf to create the environnement */
+ /*surf_workstation_resource_init_KCCFLN05(platform_file);*/
+ surf_workstation_resource_init_CLM03(platform_file);
- /* now let's create the SG wrappers */
- xbt_dict_foreach(workstation_set, cursor, name, workstation) {
-
- __SG_workstation_create(name, workstation, NULL);
+ /*printf("surf_workstation_resource = %p, workstation_set = %p\n", surf_workstation_resource, workstation_set);
+ printf("surf_network_resource = %p, network_link_set = %p\n", surf_network_resource, network_link_set);*/
+
+
+ /* now let's create the SD wrappers for workstations and links */
+ xbt_dict_foreach(workstation_set, cursor, name, surf_workstation) {
+ __SD_workstation_create(surf_workstation, NULL);
}
+ xbt_dict_foreach(network_link_set, cursor, name, surf_link) {
+ __SD_link_create(surf_link, NULL);
+ }
}
-/* Launches the simulation. Returns a NULL-terminated array of SG_task_t whose state has changed.
+/* Launches the simulation. Returns a NULL-terminated array of SD_task_t whose state has changed.
*/
-SG_task_t* SG_simulate(double how_long)
+SD_task_t* SD_simulate(double how_long)
{
/* TODO */
- return NULL;
+
+ double total_time = 0.0; /* we stop the simulation when total_time >= how_long */
+ double elapsed_time = 0.0;
+ SD_task_t task;
+ surf_action_t action;
+ SD_task_t *changed_tasks = NULL;
+ int changed_task_number = 0;
+ int changed_task_capacity = 16;
+
+ /* create the array that will be returned */
+ changed_tasks = xbt_new0(SD_task_t, changed_task_capacity); /* changed_task_capacity will be increased if necessary */
+ changed_tasks[0] = NULL;
+
+ surf_solve(); /* Takes traces into account. Returns 0.0 */
+
+ sd_global->watch_point_reached = 0;
+
+ /* main loop */
+ while (elapsed_time >= 0.0 && total_time < how_long && !sd_global->watch_point_reached) {
+
+ /* explore the scheduled tasks */
+ xbt_swag_foreach(task, sd_global->scheduled_task_set) {
+ INFO1("Examining task '%s'...", SD_task_get_name(task));
+ task->state_changed = 0;
+ if (xbt_dynar_length(task->tasks_before) == 0) {
+ INFO1("The dependencies are satisfied. Executing task '%s'", SD_task_get_name(task));
+ action = __SD_task_run(task);
+ surf_workstation_resource->common_public->action_set_data(action, task);
+ task->state_changed = 1;
+
+ changed_tasks[changed_task_number++] = task; /* replace NULL by the task */
+ if (changed_task_number == changed_task_capacity) {
+ changed_task_capacity *= 2;
+ changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity);
+ }
+ changed_tasks[changed_task_number] = NULL;
+ }
+ else {
+ INFO1("Cannot execute task '%s' now because some depencies are not satisfied.", SD_task_get_name(task));
+ }
+ }
+
+ elapsed_time = surf_solve();
+ if (elapsed_time > 0.0)
+ total_time += elapsed_time;
+ /* INFO1("Total time: %f", total_time);*/
+
+ while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.done_action_set))) {
+ task = action->data;
+ INFO1("Task '%s' done", SD_task_get_name(task));
+ __SD_task_set_state(task, SD_DONE);
+ __SD_task_remove_dependencies(task);
+ if (!task->state_changed) {
+ task->state_changed = 1;
+ changed_tasks[changed_task_number++] = task;
+ }
+ }
+
+ while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.failed_action_set))) {
+ task = action->data;
+ INFO1("Task '%s' failed", SD_task_get_name(task));
+ __SD_task_set_state(task, SD_FAILED);
+ if (!task->state_changed) {
+ task->state_changed = 1;
+ changed_tasks[changed_task_number++] = task;
+ }
+ }
+ }
+
+ INFO0("Simulation finished");
+
+ INFO1("Number of tasks whose state has changed: %d", changed_task_number);
+ return changed_tasks;
}
-/* Destroys all SG data. This function should be called when the simulation is over.
+/* Destroys all SD internal data. This function should be called when the simulation is over.
+ * The tasks should have been destroyed first.
*/
-void SG_clean() {
- if (init_done) {
- xbt_dict_free(&sg_global->workstations);
- xbt_free(sg_global);
+void SD_exit(void) {
+ if (sd_global != NULL) {
+ xbt_dict_free(&sd_global->workstations);
+ xbt_dict_free(&sd_global->links);
+ xbt_free(sd_global);
+
+ xbt_swag_free(sd_global->not_scheduled_task_set);
+ xbt_swag_free(sd_global->scheduled_task_set);
+ xbt_swag_free(sd_global->running_task_set);
+ xbt_swag_free(sd_global->done_task_set);
+ xbt_swag_free(sd_global->failed_task_set);
+
surf_exit();
- /* TODO: destroy the workstations, the links and the tasks */
}
}
