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Use correct function to free element.
[simgrid.git] / src / simdag / sd_global.c
index c7de5e0..8b941e6 100644 (file)
@@ -1,3 +1,9 @@
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. 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 "xbt/sysdep.h"
 #include "xbt/dynar.h"
@@ -6,6 +12,17 @@
 #include "xbt/log.h"
 #include "xbt/str.h"
 #include "xbt/config.h"
+#include "instr/instr_private.h"
+#include "surf/surfxml_parse.h"
+#ifdef HAVE_LUA
+#include <lua.h>
+#include <lauxlib.h>
+#include <lualib.h>
+#endif
+
+#ifdef HAVE_JEDULE
+#include "instr/jedule/jedule_sd_binding.h"
+#endif
 
 XBT_LOG_NEW_CATEGORY(sd, "Logging specific to SimDag");
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd,
@@ -13,14 +30,6 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd,
 
 SD_global_t sd_global = NULL;
 
-/* $Id$ */
-
-/* Copyright (c) 2007 Arnaud Legrand.
-   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. */
-
 XBT_LOG_EXTERNAL_CATEGORY(sd_kernel);
 XBT_LOG_EXTERNAL_CATEGORY(sd_task);
 XBT_LOG_EXTERNAL_CATEGORY(sd_workstation);
@@ -37,6 +46,9 @@ XBT_LOG_EXTERNAL_CATEGORY(sd_workstation);
  */
 void SD_init(int *argc, char **argv)
 {
+#ifdef HAVE_TRACING
+  TRACE_global_init(argc, argv);
+#endif
 
   s_SD_task_t task;
 
@@ -49,33 +61,45 @@ void SD_init(int *argc, char **argv)
 
 
   sd_global = xbt_new(s_SD_global_t, 1);
-  sd_global->workstations = xbt_dict_new();
-  sd_global->workstation_count = 0;
   sd_global->workstation_list = NULL;
-  sd_global->links = xbt_dict_new();
-  sd_global->link_count = 0;
   sd_global->link_list = NULL;
   sd_global->recyclable_route = NULL;
   sd_global->watch_point_reached = 0;
 
   sd_global->not_scheduled_task_set =
-    xbt_swag_new(xbt_swag_offset(task, state_hookup));
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+  sd_global->schedulable_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->ready_task_set =
-    xbt_swag_new(xbt_swag_offset(task, state_hookup));
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+  sd_global->runnable_task_set =
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
   sd_global->in_fifo_task_set =
-    xbt_swag_new(xbt_swag_offset(task, state_hookup));
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
   sd_global->running_task_set =
-    xbt_swag_new(xbt_swag_offset(task, state_hookup));
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
   sd_global->done_task_set =
-    xbt_swag_new(xbt_swag_offset(task, state_hookup));
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
   sd_global->failed_task_set =
-    xbt_swag_new(xbt_swag_offset(task, state_hookup));
+      xbt_swag_new(xbt_swag_offset(task, state_hookup));
   sd_global->task_number = 0;
 
   surf_init(argc, argv);
-  xbt_cfg_set_string(_surf_cfg_set, "workstation_model", "ptask_L07");
+
+  xbt_cfg_setdefault_string(_surf_cfg_set, "workstation/model",
+                            "ptask_L07");
+
+#ifdef HAVE_TRACING
+  TRACE_start ();
+#endif
+
+#ifdef HAVE_JEDULE
+  jedule_sd_init();
+#endif
+
+  XBT_DEBUG("ADD SD LEVELS");
+  SD_HOST_LEVEL = xbt_lib_add_level(host_lib,__SD_workstation_destroy);
+  SD_LINK_LEVEL = xbt_lib_add_level(link_lib,__SD_link_destroy);
 }
 
 /**
@@ -96,32 +120,41 @@ void SD_application_reinit(void)
   s_SD_task_t task;
 
   if (SD_INITIALISED()) {
-    DEBUG0("Recreating the swags...");
+    XBT_DEBUG("Recreating the swags...");
     xbt_swag_free(sd_global->not_scheduled_task_set);
+    xbt_swag_free(sd_global->schedulable_task_set);
     xbt_swag_free(sd_global->scheduled_task_set);
-    xbt_swag_free(sd_global->ready_task_set);
+    xbt_swag_free(sd_global->runnable_task_set);
     xbt_swag_free(sd_global->in_fifo_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);
 
     sd_global->not_scheduled_task_set =
-      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+        xbt_swag_new(xbt_swag_offset(task, state_hookup));
+    sd_global->schedulable_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->ready_task_set =
-      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+        xbt_swag_new(xbt_swag_offset(task, state_hookup));
+    sd_global->runnable_task_set =
+        xbt_swag_new(xbt_swag_offset(task, state_hookup));
     sd_global->in_fifo_task_set =
-      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+        xbt_swag_new(xbt_swag_offset(task, state_hookup));
     sd_global->running_task_set =
-      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+        xbt_swag_new(xbt_swag_offset(task, state_hookup));
     sd_global->done_task_set =
-      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+        xbt_swag_new(xbt_swag_offset(task, state_hookup));
     sd_global->failed_task_set =
-      xbt_swag_new(xbt_swag_offset(task, state_hookup));
+        xbt_swag_new(xbt_swag_offset(task, state_hookup));
     sd_global->task_number = 0;
+
+#ifdef HAVE_JEDULE
+    jedule_sd_cleanup();
+    jedule_sd_init();
+#endif
+
   } else {
-    WARN0("SD_application_reinit called before initialization of SimDag");
+    XBT_WARN("SD_application_reinit called before initialization of SimDag");
     /* we cannot use exceptions here because xbt is not running! */
   }
 
@@ -147,76 +180,80 @@ void SD_application_reinit(void)
  */
 void SD_create_environment(const char *platform_file)
 {
-  xbt_dict_cursor_t cursor = NULL;
+  xbt_lib_cursor_t cursor = NULL;
   char *name = NULL;
-  void *surf_workstation = NULL;
-  void *surf_link = NULL;
+  void **surf_workstation = NULL;
+  void **surf_link = NULL;
 
-  SD_CHECK_INIT_DONE();
-
-  DEBUG0("SD_create_environment");
-
-  surf_config_models_setup(platform_file);
+  platform_filename = bprintf("%s",platform_file);
 
+  // Reset callbacks
+  surf_parse_reset_callbacks();
+  // Add config callbacks
+  surf_parse_add_callback_config();
+  SD_CHECK_INIT_DONE();
   parse_platform_file(platform_file);
+  surf_config_models_create_elms();
 
   /* now let's create the SD wrappers for workstations and links */
-  xbt_dict_foreach(surf_model_resource_set(surf_workstation_model), cursor,
-                   name, surf_workstation) {
-    __SD_workstation_create(surf_workstation, NULL);
+  xbt_lib_foreach(host_lib, cursor, name, surf_workstation){
+         if(surf_workstation[SURF_WKS_LEVEL])
+                 __SD_workstation_create(surf_workstation[SURF_WKS_LEVEL], NULL);
   }
 
-  xbt_dict_foreach(surf_model_resource_set(surf_network_model), cursor, name, surf_link) {
-    __SD_link_create(surf_link, NULL);
+  xbt_lib_foreach(link_lib, cursor, name, surf_link) {
+    __SD_link_create(surf_link[SURF_LINK_LEVEL], NULL);
   }
 
-  DEBUG2("Workstation number: %d, link number: %d",
+  XBT_DEBUG("Workstation number: %d, link number: %d",
          SD_workstation_get_number(), SD_link_get_number());
+#ifdef HAVE_JEDULE
+  jedule_setup_platform();
+#endif
 }
 
 /**
  * \brief Launches the simulation.
  *
- * The function will execute the \ref SD_READY ready tasks.
- * The simulation will be stopped when its time reaches \a how_long,
- * when a watch point is reached, or when no more task can be executed.
+ * The function will execute the \ref SD_RUNNABLE runnable tasks.
+ * If \a how_long is positive, then the simulation will be stopped either
+ * when time reaches \a how_long or when a watch point is reached.
+ * A nonpositive value for \a how_long means no time limit, in which case
+ * the simulation will be stopped either when a watch point is reached or
+ * when no more task can be executed.
  * Then you can call SD_simulate() again.
  *
  * \param how_long maximum duration of the simulation (a negative value means no time limit)
  * \return a NULL-terminated array of \ref SD_task_t whose state has changed.
  * \see SD_task_schedule(), SD_task_watch()
  */
-SD_task_t *SD_simulate(double how_long)
+xbt_dynar_t SD_simulate(double how_long)
 {
   double total_time = 0.0;      /* we stop the simulation when total_time >= how_long */
   double elapsed_time = 0.0;
   SD_task_t task, task_safe, dst;
   SD_dependency_t dependency;
   surf_action_t action;
-  SD_task_t *res = NULL;
   xbt_dynar_t changed_tasks = xbt_dynar_new(sizeof(SD_task_t), NULL);
-  unsigned int iter;
+  unsigned int iter, depcnt;
   static int first_time = 1;
 
   SD_CHECK_INIT_DONE();
 
-  INFO0("Starting simulation...");
+   if (first_time) {
+    XBT_VERB("Starting simulation...");
 
-  if (first_time) {
     surf_presolve();            /* Takes traces into account */
     first_time = 0;
   }
 
-  if (how_long > 0) {
-    surf_timer_model->extension.timer.set(surf_get_clock() + how_long,
-                                          NULL, NULL);
-  }
   sd_global->watch_point_reached = 0;
 
-  /* explore the ready tasks */
-  xbt_swag_foreach_safe(task, task_safe, sd_global->ready_task_set) {
-    INFO1("Executing task '%s'", SD_task_get_name(task));
-    if (__SD_task_try_to_run(task) && !xbt_dynar_member(changed_tasks, &task))
+  /* explore the runnable tasks */
+  xbt_swag_foreach_safe(task, task_safe, sd_global->runnable_task_set) {
+    XBT_VERB("Executing task '%s'", SD_task_get_name(task));
+    if (__SD_task_try_to_run(task)
+        && !xbt_dynar_member(changed_tasks, &task))
       xbt_dynar_push(changed_tasks, &task);
   }
 
@@ -227,14 +264,12 @@ SD_task_t *SD_simulate(double how_long)
          !sd_global->watch_point_reached) {
     surf_model_t model = NULL;
     /* dumb variables */
-    void *fun = NULL;
-    void *arg = NULL;
 
 
-    DEBUG1("Total time: %f", total_time);
+    XBT_DEBUG("Total time: %f", total_time);
 
-    elapsed_time = surf_solve();
-    DEBUG1("surf_solve() returns %f", elapsed_time);
+    elapsed_time = surf_solve(how_long > 0 ? surf_get_clock() + how_long : -1.0);
+    XBT_DEBUG("surf_solve() returns %f", elapsed_time);
     if (elapsed_time > 0.0)
       total_time += elapsed_time;
 
@@ -242,10 +277,14 @@ SD_task_t *SD_simulate(double how_long)
     xbt_dynar_foreach(model_list, iter, model) {
       while ((action = xbt_swag_extract(model->states.done_action_set))) {
         task = action->data;
-        INFO1("Task '%s' done", SD_task_get_name(task));
-        DEBUG0("Calling __SD_task_just_done");
+        task->start_time =
+            surf_workstation_model->
+            action_get_start_time(task->surf_action);
+        task->finish_time = surf_get_clock();
+        XBT_VERB("Task '%s' done", SD_task_get_name(task));
+        XBT_DEBUG("Calling __SD_task_just_done");
         __SD_task_just_done(task);
-        DEBUG1("__SD_task_just_done called on task '%s'",
+        XBT_DEBUG("__SD_task_just_done called on task '%s'",
                SD_task_get_name(task));
 
         /* the state has changed */
@@ -253,14 +292,39 @@ SD_task_t *SD_simulate(double how_long)
           xbt_dynar_push(changed_tasks, &task);
 
         /* remove the dependencies after this task */
-        while (xbt_dynar_length(task->tasks_after) > 0) {
-          xbt_dynar_get_cpy(task->tasks_after, 0, &dependency);
+        xbt_dynar_foreach(task->tasks_after, depcnt, dependency) {
           dst = dependency->dst;
-          SD_task_dependency_remove(task, dst);
+          if (dst->unsatisfied_dependencies > 0)
+            dst->unsatisfied_dependencies--;
+          if (dst->is_not_ready > 0)
+            dst->is_not_ready--;
+
+          if (!(dst->unsatisfied_dependencies)) {
+            if (__SD_task_is_scheduled(dst))
+              __SD_task_set_state(dst, SD_RUNNABLE);
+            else
+              __SD_task_set_state(dst, SD_SCHEDULABLE);
+          }
+
+          if (SD_task_get_kind(dst) == SD_TASK_COMM_E2E) {
+            SD_dependency_t comm_dep;
+            SD_task_t comm_dst;
+            xbt_dynar_get_cpy(dst->tasks_after, 0, &comm_dep);
+            comm_dst = comm_dep->dst;
+            if (__SD_task_is_not_scheduled(comm_dst) &&
+                comm_dst->is_not_ready > 0) {
+              comm_dst->is_not_ready--;
+
+              if (!(comm_dst->is_not_ready)) {
+                __SD_task_set_state(comm_dst, SD_SCHEDULABLE);
+              }
+            }
+          }
 
-          /* is dst ready now? */
-          if (__SD_task_is_ready(dst) && !sd_global->watch_point_reached) {
-            INFO1("Executing task '%s'", SD_task_get_name(dst));
+          /* is dst runnable now? */
+          if (__SD_task_is_runnable(dst)
+              && !sd_global->watch_point_reached) {
+            XBT_VERB("Executing task '%s'", SD_task_get_name(dst));
             if (__SD_task_try_to_run(dst) &&
                 !xbt_dynar_member(changed_tasks, &task))
               xbt_dynar_push(changed_tasks, &task);
@@ -271,7 +335,11 @@ SD_task_t *SD_simulate(double how_long)
       /* let's see which tasks have just failed */
       while ((action = xbt_swag_extract(model->states.failed_action_set))) {
         task = action->data;
-        INFO1("Task '%s' failed", SD_task_get_name(task));
+        task->start_time =
+            surf_workstation_model->
+            action_get_start_time(task->surf_action);
+        task->finish_time = surf_get_clock();
+        XBT_VERB("Task '%s' failed", SD_task_get_name(task));
         __SD_task_set_state(task, SD_FAILED);
         surf_workstation_model->action_unref(action);
         task->surf_action = NULL;
@@ -280,24 +348,28 @@ SD_task_t *SD_simulate(double how_long)
           xbt_dynar_push(changed_tasks, &task);
       }
     }
-
-    while (surf_timer_model->extension.timer.get(&fun, (void *) &arg)) {
-    }
   }
 
-  res = xbt_new0(SD_task_t, (xbt_dynar_length(changed_tasks) + 1));
-
-  xbt_dynar_foreach(changed_tasks, iter, task) {
-    res[iter] = task;
+  if (!sd_global->watch_point_reached && how_long<0){
+    if (xbt_swag_size(sd_global->done_task_set) < sd_global->task_number){
+        XBT_WARN("Simulation is finished but some tasks are still not done");
+       xbt_swag_foreach_safe (task, task_safe,sd_global->not_scheduled_task_set){
+                XBT_WARN("%s is in SD_NOT_SCHEDULED state", SD_task_get_name(task));
+               }
+       xbt_swag_foreach_safe (task, task_safe,sd_global->schedulable_task_set){
+                XBT_WARN("%s is in SD_SCHEDULABLE state", SD_task_get_name(task));
+       }
+       xbt_swag_foreach_safe (task, task_safe,sd_global->scheduled_task_set){
+                XBT_WARN("%s is in SD_SCHEDULED state", SD_task_get_name(task));
+               }
+    }
   }
-  xbt_dynar_free(&changed_tasks);
 
-  INFO0("Simulation finished");
-  DEBUG3("elapsed_time = %f, total_time = %f, watch_point_reached = %d",
+  XBT_DEBUG("elapsed_time = %f, total_time = %f, watch_point_reached = %d",
          elapsed_time, total_time, sd_global->watch_point_reached);
-  DEBUG1("current time = %f", surf_get_clock());
+  XBT_DEBUG("current time = %f", surf_get_clock());
 
-  return res;
+  return changed_tasks;
 }
 
 /**
@@ -322,12 +394,14 @@ double SD_get_clock(void)
  */
 void SD_exit(void)
 {
+#ifdef HAVE_TRACING
+  TRACE_surf_release();
+#endif
+
   if (SD_INITIALISED()) {
-    DEBUG0("Destroying workstation and link dictionaries...");
-    xbt_dict_free(&sd_global->workstations);
-    xbt_dict_free(&sd_global->links);
+    XBT_DEBUG("Destroying workstation and link dictionaries...");
 
-    DEBUG0("Destroying workstation and link arrays if necessary...");
+    XBT_DEBUG("Destroying workstation and link arrays if necessary...");
     if (sd_global->workstation_list != NULL)
       xbt_free(sd_global->workstation_list);
 
@@ -337,22 +411,58 @@ void SD_exit(void)
     if (sd_global->recyclable_route != NULL)
       xbt_free(sd_global->recyclable_route);
 
-    DEBUG0("Destroying the swags...");
+    XBT_DEBUG("Destroying the swags...");
     xbt_swag_free(sd_global->not_scheduled_task_set);
+    xbt_swag_free(sd_global->schedulable_task_set);
     xbt_swag_free(sd_global->scheduled_task_set);
-    xbt_swag_free(sd_global->ready_task_set);
+    xbt_swag_free(sd_global->runnable_task_set);
     xbt_swag_free(sd_global->in_fifo_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);
 
+    // Exit the LIB host_lib
+    xbt_lib_free(&host_lib);
+    xbt_lib_free(&link_lib);
+    xbt_lib_free(&as_router_lib);
+
     xbt_free(sd_global);
     sd_global = NULL;
 
-    DEBUG0("Exiting Surf...");
+#ifdef HAVE_TRACING
+  TRACE_end();
+#endif
+#ifdef HAVE_JEDULE
+  jedule_sd_dump();
+  jedule_sd_cleanup();
+#endif
+
+    XBT_DEBUG("Exiting Surf...");
     surf_exit();
+
   } else {
-    WARN0("SD_exit() called, but SimDag is not running");
+    XBT_WARN("SD_exit() called, but SimDag is not running");
     /* we cannot use exceptions here because xbt is not running! */
   }
 }
+
+/**
+ * \bried load script file
+ */
+
+void SD_load_environment_script(const char *script_file)
+{
+#ifdef HAVE_LUA
+  lua_State *L = lua_open();
+  luaL_openlibs(L);
+
+  if (luaL_loadfile(L, script_file) || lua_pcall(L, 0, 0, 0)) {
+    printf("error: %s\n", lua_tostring(L, -1));
+    return;
+  }
+#else
+  xbt_die
+      ("Lua is not available!! to call SD_load_environment_script, lua should be available...");
+#endif
+  return;
+}