/* 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 <ctype.h>
+
#include "surf_private.h"
#include "xbt/module.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_global, surf,
- "Logging specific to the SURF global module");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf,
+ "Logging specific to SURF (kernel)");
+
+int use_sdp_solver = 0;
+int use_lagrange_solver = 0;
+
+/* Additional declarations for Windows potability. */
+
+#ifndef MAX_DRIVE
+#define MAX_DRIVE 26
+#endif
+
+#ifdef _WIN32
+#include <windows.h>
+static const char *disk_drives_letter_table[MAX_DRIVE] = {
+ "A:\\",
+ "B:\\",
+ "C:\\",
+ "D:\\",
+ "E:\\",
+ "F:\\",
+ "G:\\",
+ "H:\\",
+ "I:\\",
+ "J:\\",
+ "K:\\",
+ "L:\\",
+ "M:\\",
+ "N:\\",
+ "O:\\",
+ "P:\\",
+ "Q:\\",
+ "R:\\",
+ "S:\\",
+ "T:\\",
+ "U:\\",
+ "V:\\",
+ "W:\\",
+ "X:\\",
+ "Y:\\",
+ "Z:\\"
+};
+#endif /* #ifdef _WIN32 */
+
+/*
+ * Returns the initial path. On Windows the initial path is
+ * the current directory for the current process in the other
+ * case the function returns "./" that represents the current
+ * directory on Unix/Linux platforms.
+ */
+
+const char *__surf_get_initial_path(void)
+{
+
+#ifdef _WIN32
+ unsigned i;
+ char current_directory[MAX_PATH + 1] = { 0 };
+ unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
+ char root[4] = { 0 };
+
+ if (!len)
+ return NULL;
+
+ strncpy(root, current_directory, 3);
+
+ for (i = 0; i < MAX_DRIVE; i++) {
+ if (toupper(root[0]) == disk_drives_letter_table[i][0])
+ return disk_drives_letter_table[i];
+ }
+
+ return NULL;
+#else
+ return "./";
+#endif
+}
+
+/* The __surf_is_absolute_file_path() returns 1 if
+ * file_path is a absolute file path, in the other
+ * case the function returns 0.
+ */
+int __surf_is_absolute_file_path(const char *file_path)
+{
+#ifdef _WIN32
+ WIN32_FIND_DATA wfd = { 0 };
+ HANDLE hFile = FindFirstFile(file_path, &wfd);
+
+ if (INVALID_HANDLE_VALUE == hFile)
+ return 0;
+
+ FindClose(hFile);
+ return 1;
+#else
+ return (file_path[0] == '/');
+#endif
+}
+typedef struct surf_model_object {
+ surf_model_t model;
+} s_surf_model_object_t, *surf_model_object_t;
static double NOW = 0;
-xbt_dynar_t resource_list = NULL;
+xbt_dynar_t model_list = NULL;
tmgr_history_t history = NULL;
lmm_system_t maxmin_system = NULL;
xbt_dynar_t surf_path = NULL;
+const char *surf_action_state_names[6] = {
+ "SURF_ACTION_READY",
+ "SURF_ACTION_RUNNING",
+ "SURF_ACTION_FAILED",
+ "SURF_ACTION_DONE",
+ "SURF_ACTION_TO_FREE",
+ "SURF_ACTION_NOT_IN_THE_SYSTEM"
+};
+
+int surf_network_model_description_size = 3
+#ifdef HAVE_GTNETS
+ + 1
+#endif
+#ifdef HAVE_SDP
+ + 1
+#endif
+ ;
+s_surf_model_description_t surf_network_model_description[] = {
+ {"CM02", NULL, surf_network_model_init_CM02},
+#ifdef HAVE_GTNETS
+ {"GTNets", NULL, surf_network_model_init_GTNETS},
+#endif
+#ifdef HAVE_SDP
+ {"SDP", NULL, surf_network_model_init_SDP},
+#endif
+ {"Reno", NULL, surf_network_model_init_Reno},
+ {"Vegas", NULL, surf_network_model_init_Vegas}
+};
+
+int surf_cpu_model_description_size = 1;
+s_surf_model_description_t surf_cpu_model_description[] = {
+ {"Cas01", NULL, surf_cpu_model_init_Cas01},
+};
+
+int surf_workstation_model_description_size = 4;
+s_surf_model_description_t surf_workstation_model_description[] = {
+ {"CLM03", NULL, surf_workstation_model_init_CLM03},
+ {"KCCFLN05", NULL, surf_workstation_model_init_KCCFLN05},
+ {"compound", NULL, surf_workstation_model_init_compound},
+ {"ptask_L07", NULL, surf_workstation_model_init_ptask_L07}
+};
+
+void update_model_description(s_surf_model_description_t * table,
+ int table_size,
+ const char *name,
+ surf_model_t model)
+{
+ int i = find_model_description(table, table_size, name);
+ table[i].model = model;
+}
-double generic_maxmin_share_resources(xbt_swag_t running_actions,
- size_t offset)
+int find_model_description(s_surf_model_description_t * table,
+ int table_size, const char *name)
{
- return generic_maxmin_share_resources2(running_actions, offset,
- maxmin_system);
+ int i;
+ char *name_list = NULL;
+
+ for (i = 0; i < table_size; i++)
+ if (!strcmp(name, table[i].name)) {
+ return i;
+ }
+ name_list = strdup(table[0].name);
+ for (i = 1; i < table_size; i++) {
+ name_list =
+ xbt_realloc(name_list,
+ strlen(name_list) + strlen(table[i].name) + 2);
+ strcat(name_list, ", ");
+ strcat(name_list, table[i].name);
+ }
+ xbt_assert2(0, "Model '%s' is invalid! Valid models are: %s.", name,
+ name_list);
}
-double generic_maxmin_share_resources2(xbt_swag_t running_actions,
- size_t offset,
- lmm_system_t sys)
+double generic_maxmin_share_resources(xbt_swag_t running_actions,
+ size_t offset,
+ lmm_system_t sys,
+ void (*solve) (lmm_system_t))
{
surf_action_t action = NULL;
double min = -1;
double value = -1;
#define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + (offset))))
- lmm_solve(sys);
+ xbt_assert0(solve, "Give me a real solver function!");
+ solve(sys);
xbt_swag_foreach(action, running_actions) {
value = lmm_variable_getvalue(VARIABLE(action));
return -1.0;
if (value > 0) {
- min = value = action->remains / value;
+ if(action->remains>0)
+ min = action->remains / value;
+ else
+ min = 0.0;
if ((action->max_duration >= 0) && (action->max_duration < min))
min = action->max_duration;
} else
min = action->max_duration;
+ DEBUG5("Found action (%p: duration = %f, remains = %f, value = %f) ! %f",
+ action, action->max_duration, action->remains, value, min);
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)
+ if(action->remains>0)
+ value = action->remains / value;
+ else
+ value = 0.0;
+ if (value < min) {
min = value;
+ DEBUG2("Updating min (value) with %p: %f", action, min);
+ }
}
- if ((action->max_duration >= 0) && (action->max_duration < min))
+ if ((action->max_duration >= 0) && (action->max_duration < min)) {
min = action->max_duration;
+ DEBUG2("Updating min (duration) with %p: %f", action, min);
+ }
}
+ DEBUG1("min value : %f", min);
+
#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->common_public->states);
+ &(action->model_type->common_public->states);
if (action->state_set == action_state->ready_action_set)
return SURF_ACTION_READY;
return SURF_ACTION_NOT_IN_THE_SYSTEM;
}
+double surf_action_get_start_time(surf_action_t action)
+{
+ return action->start;
+}
+
+double surf_action_get_finish_time(surf_action_t action)
+{
+ return action->finish;
+}
+
void surf_action_free(surf_action_t * action)
{
- (*action)->resource_type->common_public->action_cancel(*action);
+ (*action)->model_type->common_public->action_cancel(*action);
free(*action);
*action = NULL;
}
e_surf_action_state_t state)
{
surf_action_state_t action_state =
- &(action->resource_type->common_public->states);
-
+ &(action->model_type->common_public->states);
+ XBT_IN2("(%p,%s)", action, surf_action_state_names[state]);
xbt_swag_remove(action, action->state_set);
if (state == SURF_ACTION_READY)
if (action->state_set)
xbt_swag_insert(action, action->state_set);
+ XBT_OUT;
}
-void surf_action_set_data(surf_action_t action,
- void *data)
+void surf_action_set_data(surf_action_t action, void *data)
{
- action->data=data;
+ action->data = data;
}
void surf_init(int *argc, char **argv)
{
- int i,j;
+ int i, j;
char *opt;
+ const char *initial_path;
+
xbt_init(argc, argv);
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],'=');
+ /* retrieves the current directory of the current process */
+ initial_path = __surf_get_initial_path();
+
+ xbt_assert0((initial_path),
+ "__surf_get_initial_path() failed! Can't resolves current Windows directory");
+
+ 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;
+ 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 */
+ i--; /* compensate effect of next loop incrementation */
}
}
}
- if (!resource_list)
- resource_list = xbt_dynar_new(sizeof(surf_resource_private_t), NULL);
+ if (!model_list)
+ model_list = xbt_dynar_new(sizeof(surf_model_private_t), NULL);
if (!history)
history = tmgr_history_new();
- if (!maxmin_system)
- maxmin_system = lmm_system_new();
}
-static char* path_name = NULL;
+static char *path_name = NULL;
FILE *surf_fopen(const char *name, const char *mode)
{
- int i;
- char* path = NULL;
+ unsigned int iter;
+ char *path = NULL;
FILE *file = NULL;
+ unsigned int path_name_len = 0; /* don't count '\0' */
+
+ xbt_assert0(name, "Need a non-NULL file name");
- xbt_assert1((name!=NULL), "Need a real file name, not \"%s\"\n",name);
+ xbt_assert0(surf_path,
+ "surf_init has to be called before using surf_fopen");
- xbt_assert0(surf_path,"surf_init has to be called before using surf_fopen");
- if(!path_name) path_name=xbt_new0(char,strlen(name)+1);
+ if (__surf_is_absolute_file_path(name)) { /* don't mess with absolute file names */
+ return fopen(name, mode);
- xbt_dynar_foreach(surf_path,i,path) {
- if(strlen(path_name)<strlen(path)+strlen(name)+2)
- path_name=xbt_realloc(path_name,strlen(path)+strlen(name)+2);
- strcpy(path_name, path);
- strcat(path_name,"/");
- strcat(path_name,name);
- file = fopen(path_name,mode);
- if(file) return file;
+ } else { /* search relative files in the path */
+
+ if (!path_name) {
+ path_name_len = strlen(name);
+ path_name = xbt_new0(char, path_name_len + 1);
+ }
+
+ xbt_dynar_foreach(surf_path, iter, 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);
+ }
+ #ifdef WIN32
+ sprintf(path_name, "%s\\%s", path, name);
+ #else
+ sprintf(path_name, "%s/%s", path, name);
+ #endif
+ file = fopen(path_name, mode);
+ if (file)
+ return file;
+ }
}
return file;
}
-void surf_finalize(void)
+void surf_exit(void)
{
- int i;
- surf_resource_t resource = NULL;
+ unsigned int iter;
+ surf_model_t model = NULL;
- xbt_dynar_foreach(resource_list, i, resource) {
- resource->common_private->finalize();
+ xbt_dynar_foreach(model_list, iter, model) {
+ model->common_private->finalize();
}
if (maxmin_system) {
tmgr_history_free(history);
history = NULL;
}
- if (resource_list)
- xbt_dynar_free(&resource_list);
+ if (model_list)
+ xbt_dynar_free(&model_list);
- if(surf_path)
+ if (surf_path)
xbt_dynar_free(&surf_path);
tmgr_finalize();
surf_parse_lex_destroy();
- if(path_name) {
+ if (path_name) {
free(path_name);
path_name = NULL;
}
+ surf_parse_free_callbacks();
+ xbt_dict_free(&route_table);
+ NOW=0; /* Just in case the user plans to restart the simulation afterward */
+ xbt_exit();
}
double surf_solve(void)
double min = -1.0;
double next_event_date = -1.0;
- double resource_next_action_end = -1.0;
+ double model_next_action_end = -1.0;
double value = -1.0;
- surf_resource_object_t resource_obj = NULL;
- surf_resource_t resource = NULL;
+ surf_model_object_t model_obj = NULL;
+ surf_model_t model = NULL;
tmgr_trace_event_t event = NULL;
- int i;
+ unsigned int iter;
if (first_run) {
+ DEBUG0
+ ("First Run! Let's \"purge\" events and put models in the right state");
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);
+ (void **) &model_obj))) {
+ model_obj->model->common_private->
+ update_resource_state(model_obj, event, value);
}
}
- xbt_dynar_foreach(resource_list, i, resource) {
- resource->common_private->update_actions_state(NOW, 0.0);
+ xbt_dynar_foreach(model_list, iter, model) {
+ model->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;
+ DEBUG0("Looking for next action end");
+ xbt_dynar_foreach(model_list, iter, model) {
+ DEBUG1("Running for Resource [%s]", model->common_public->name);
+ model_next_action_end =
+ model->common_private->share_resources(NOW);
+ DEBUG2("Resource [%s] : next action end = %f",
+ model->common_public->name, model_next_action_end);
+ if (((min < 0.0) || (model_next_action_end < min))
+ && (model_next_action_end >= 0.0))
+ min = model_next_action_end;
}
+ DEBUG1("Next action end : %f", min);
if (min < 0.0)
return -1.0;
+ DEBUG0("Looking for next event");
while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
+ DEBUG1("Next event : %f", next_event_date);
if (next_event_date > NOW + min)
break;
+ DEBUG0("Updating models");
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)) {
+ (void **) &model_obj))) {
+ if (model_obj->model->common_private->
+ resource_used(model_obj)) {
min = next_event_date - NOW;
+ DEBUG1
+ ("This event will modify model state. Next event set to %f",
+ min);
}
- /* update state of resource_obj according to new value. Does not touch lmm.
+ /* update state of model_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);
+ model_obj->model->common_private->
+ update_resource_state(model_obj, event, value);
}
}
-
- xbt_dynar_foreach(resource_list, i, resource) {
- resource->common_private->update_actions_state(NOW, min);
- }
+ DEBUG1("Duration set to %f", min);
NOW = NOW + min;
+ xbt_dynar_foreach(model_list, iter, model) {
+ model->common_private->update_actions_state(NOW, min);
+ }
+
return min;
}
