-/* Authors: Arnaud Legrand */
+/* $Id$ */
+
+/* Copyright (c) 2004 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. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#include "surf_private.h"
+#include "xbt/module.h"
+
+typedef struct surf_resource_object {
+ surf_resource_t resource;
+} s_surf_resource_object_t, *surf_resource_object_t;
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_global, surf,
+ "Logging specific to the SURF global module");
+
-static xbt_heap_float_t NOW=0;
+static double NOW = 0;
xbt_dynar_t resource_list = NULL;
tmgr_history_t history = NULL;
lmm_system_t maxmin_system = NULL;
+xbt_dynar_t surf_path = NULL;
+
+double generic_maxmin_share_resources(xbt_swag_t running_actions,
+ size_t offset)
+{
+ return generic_maxmin_share_resources2(running_actions, offset,
+ maxmin_system);
+}
+
+double generic_maxmin_share_resources2(xbt_swag_t running_actions,
+ size_t offset,
+ lmm_system_t sys)
+{
+ surf_action_t action = NULL;
+ double min = -1;
+ double value = -1;
+#define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + (offset))))
+
+ lmm_solve(sys);
+
+ xbt_swag_foreach(action, running_actions) {
+ value = lmm_variable_getvalue(VARIABLE(action));
+ if ((value > 0) || (action->max_duration >= 0))
+ break;
+ }
+
+ if (!action)
+ return -1.0;
+
+ if (value > 0) {
+ min = value = action->remains / value;
+ if ((action->max_duration >= 0) && (action->max_duration < min))
+ min = action->max_duration;
+ } else
+ min = action->max_duration;
+
+
+ for (action = xbt_swag_getNext(action, running_actions->offset);
+ action;
+ action = xbt_swag_getNext(action, running_actions->offset)) {
+ value = lmm_variable_getvalue(VARIABLE(action));
+ if (value > 0) {
+ value = action->remains / value;
+ if (value < min)
+ min = value;
+ }
+ if ((action->max_duration >= 0) && (action->max_duration < min))
+ min = action->max_duration;
+ }
+#undef VARIABLE
+ return min;
+}
e_surf_action_state_t surf_action_get_state(surf_action_t action)
{
- surf_action_state_t action_state = &(action->resource_type->states);
-
- if(action->state_set == action_state->ready_action_set)
+ surf_action_state_t action_state =
+ &(action->resource_type->common_public->states);
+
+ if (action->state_set == action_state->ready_action_set)
return SURF_ACTION_READY;
- if(action->state_set == action_state->running_action_set)
+ if (action->state_set == action_state->running_action_set)
return SURF_ACTION_RUNNING;
- if(action->state_set == action_state->failed_action_set)
+ if (action->state_set == action_state->failed_action_set)
return SURF_ACTION_FAILED;
- if(action->state_set == action_state->done_action_set)
+ if (action->state_set == action_state->done_action_set)
return SURF_ACTION_DONE;
return SURF_ACTION_NOT_IN_THE_SYSTEM;
}
void surf_action_free(surf_action_t * action)
{
- (*action)->resource_type->action_cancel(*action);
- xbt_free(*action);
- *action=NULL;
+ (*action)->resource_type->common_public->action_cancel(*action);
+ free(*action);
+ *action = NULL;
}
-void surf_action_change_state(surf_action_t action, e_surf_action_state_t state)
+void surf_action_change_state(surf_action_t action,
+ e_surf_action_state_t state)
{
- surf_action_state_t action_state = &(action->resource_type->states);
+ surf_action_state_t action_state =
+ &(action->resource_type->common_public->states);
- xbt_swag_extract(action, action->state_set);
+ xbt_swag_remove(action, action->state_set);
- if(state == SURF_ACTION_READY)
+ if (state == SURF_ACTION_READY)
action->state_set = action_state->ready_action_set;
- else if(state == SURF_ACTION_RUNNING)
+ else if (state == SURF_ACTION_RUNNING)
action->state_set = action_state->running_action_set;
- else if(state == SURF_ACTION_FAILED)
+ else if (state == SURF_ACTION_FAILED)
action->state_set = action_state->failed_action_set;
- else if(state == SURF_ACTION_DONE)
+ else if (state == SURF_ACTION_DONE)
action->state_set = action_state->done_action_set;
- else action->state_set = NULL;
+ else
+ action->state_set = NULL;
+
+ if (action->state_set)
+ xbt_swag_insert(action, action->state_set);
+}
+
+void surf_action_set_data(surf_action_t action,
+ void *data)
+{
+ action->data=data;
+}
+
+/* HACKHACK: msg_global must be set to a sensible value (like NULL) to use the logging mecanisme
+ * since log_default_appender use xbt_procname which, in SG, is defined in src/msg/m_process.c
+ * (in RL, xbt_procname is defined in src/gras/Virtu/rl_process.c)
+ */
+extern void *msg_global;
+
+void surf_init(int *argc, char **argv)
+{
+ int i,j;
+ char *opt;
+
+ xbt_init(argc, argv);
+ msg_global=NULL; /* see HACKHACK note above */
+ if (!surf_path) {
+ const char *initial_path = "./";
+ surf_path = xbt_dynar_new(sizeof(char*), NULL);
+ xbt_dynar_push(surf_path,&initial_path);
+
+ for (i=1; i<*argc; i++) {
+ if (!strncmp(argv[i],"--surf-path=",strlen("--surf-path="))) {
+ opt=strchr(argv[i],'=');
+ opt++;
+ xbt_dynar_push(surf_path,&opt);
+ /*remove this from argv*/
+ for (j=i+1; j<*argc; j++) {
+ argv[j-1] = argv[j];
+ }
+ argv[j-1] = NULL;
+ (*argc)--;
+ i--; /* compensate effect of next loop incrementation */
+ }
+ }
+ }
+ if (!resource_list)
+ resource_list = xbt_dynar_new(sizeof(surf_resource_private_t), NULL);
+ if (!history)
+ history = tmgr_history_new();
+ if (!maxmin_system)
+ maxmin_system = lmm_system_new();
+}
+
+static char* path_name = NULL;
+FILE *surf_fopen(const char *name, const char *mode)
+{
+ int i;
+ char* path = NULL;
+ FILE *file = NULL;
+ int path_name_len = 0; /* don't count '\0' */
+
+ xbt_assert0(name, "Need a non-NULL file name");
+
+ xbt_assert0(surf_path,"surf_init has to be called before using surf_fopen");
+
+ if (name[0] == '/') { /* don't mess with absolute file names */
+ return fopen(name,mode);
+
+ } else { /* search relative files in the path */
+
+ if(!path_name) {
+ path_name_len = strlen(name);
+ path_name=xbt_new0(char,path_name_len+1);
+ }
- if(action->state_set) xbt_swag_insert(action, action->state_set);
+ xbt_dynar_foreach(surf_path,i,path) {
+ if(path_name_len < strlen(path)+strlen(name)+1) {
+ path_name_len = strlen(path)+strlen(name)+1; /* plus '/' */
+ path_name=xbt_realloc(path_name,path_name_len+1);
+ }
+ sprintf(path_name,"%s/%s",path, name);
+ file = fopen(path_name,mode);
+ if (file) return file;
+ }
+ }
+ return file;
}
-void surf_init(void)
+void surf_finalize(void)
{
- if(!resource_list) resource_list = xbt_dynar_new(sizeof(surf_resource_t), NULL);
- if(!history) history = tmgr_history_new();
- if(!maxmin_system) maxmin_system = lmm_system_new();
+ int i;
+ surf_resource_t resource = NULL;
+
+ xbt_dynar_foreach(resource_list, i, resource) {
+ resource->common_private->finalize();
+ }
+
+ if (maxmin_system) {
+ lmm_system_free(maxmin_system);
+ maxmin_system = NULL;
+ }
+ if (history) {
+ tmgr_history_free(history);
+ history = NULL;
+ }
+ if (resource_list)
+ xbt_dynar_free(&resource_list);
+
+ if(surf_path)
+ xbt_dynar_free(&surf_path);
+
+ tmgr_finalize();
+ surf_parse_lex_destroy();
+ if(path_name) {
+ free(path_name);
+ path_name = NULL;
+ }
}
-xbt_heap_float_t surf_solve(void)
+double surf_solve(void)
{
- xbt_heap_float_t min = -1.0;
- xbt_heap_float_t next_event_date = -1.0;
- xbt_heap_float_t resource_next_action_end = -1.0;
- xbt_maxmin_float_t value = -1.0;
+ static int first_run = 1;
+
+ double min = -1.0;
+ double next_event_date = -1.0;
+ double resource_next_action_end = -1.0;
+ double value = -1.0;
+ surf_resource_object_t resource_obj = NULL;
surf_resource_t resource = NULL;
+ tmgr_trace_event_t event = NULL;
int i;
- xbt_dynar_foreach (resource_list,i,resource) {
- resource_next_action_end = resource->share_resources(NOW);
- if((min<0) || (resource_next_action_end<min))
+ if (first_run) {
+ while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
+ if (next_event_date > NOW)
+ break;
+ while ((event =
+ tmgr_history_get_next_event_leq(history, next_event_date,
+ &value,
+ (void **) &resource_obj))) {
+ resource_obj->resource->common_private->
+ update_resource_state(resource_obj, event, value);
+ }
+ }
+ xbt_dynar_foreach(resource_list, i, resource) {
+ resource->common_private->update_actions_state(NOW, 0.0);
+ }
+ first_run = 0;
+ return 0.0;
+ }
+
+ min = -1.0;
+
+ xbt_dynar_foreach(resource_list, i, resource) {
+ resource_next_action_end =
+ resource->common_private->share_resources(NOW);
+ if (((min < 0.0) || (resource_next_action_end < min))
+ && (resource_next_action_end >= 0.0))
min = resource_next_action_end;
}
+ if (min < 0.0)
+ return -1.0;
+
while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
- if(next_event_date > NOW+min) break;
- while (tmgr_history_get_next_event_leq(history, next_event_date,
- &value, (void **) &resource)) {
- if(surf_cpu_resource->resource.resource_used(resource)) {
- min = next_event_date-NOW;
+ if (next_event_date > NOW + min)
+ break;
+ while ((event =
+ tmgr_history_get_next_event_leq(history, next_event_date,
+ &value,
+ (void **) &resource_obj))) {
+ if (resource_obj->resource->common_private->
+ resource_used(resource_obj)) {
+ min = next_event_date - NOW;
}
+ /* update state of resource_obj according to new value. Does not touch lmm.
+ It will be modified if needed when updating actions */
+ resource_obj->resource->common_private->
+ update_resource_state(resource_obj, event, value);
}
}
- xbt_dynar_foreach (resource_list,i,resource) {
- resource->update_state(NOW, min);
+
+ xbt_dynar_foreach(resource_list, i, resource) {
+ resource->common_private->update_actions_state(NOW, min);
}
- NOW=NOW+min;
+ NOW = NOW + min;
return min;
}
-xbt_heap_float_t surf_get_clock(void)
+double surf_get_clock(void)
{
return NOW;
}
