3 /* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "surf_private.h"
9 #include "xbt/module.h"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_global, surf,
12 "Logging specific to the SURF global module");
15 static double NOW = 0;
17 xbt_dynar_t resource_list = NULL;
18 tmgr_history_t history = NULL;
19 lmm_system_t maxmin_system = NULL;
20 xbt_dynar_t surf_path = NULL;
22 double generic_maxmin_share_resources(xbt_swag_t running_actions,
25 return generic_maxmin_share_resources2(running_actions, offset,
29 double generic_maxmin_share_resources2(xbt_swag_t running_actions,
33 surf_action_t action = NULL;
36 #define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + (offset))))
40 xbt_swag_foreach(action, running_actions) {
41 value = lmm_variable_getvalue(VARIABLE(action));
42 if ((value > 0) || (action->max_duration >= 0))
50 min = value = action->remains / value;
51 if ((action->max_duration >= 0) && (action->max_duration < min))
52 min = action->max_duration;
54 min = action->max_duration;
57 for (action = xbt_swag_getNext(action, running_actions->offset);
59 action = xbt_swag_getNext(action, running_actions->offset)) {
60 value = lmm_variable_getvalue(VARIABLE(action));
62 value = action->remains / value;
66 if ((action->max_duration >= 0) && (action->max_duration < min))
67 min = action->max_duration;
73 e_surf_action_state_t surf_action_get_state(surf_action_t action)
75 surf_action_state_t action_state =
76 &(action->resource_type->common_public->states);
78 if (action->state_set == action_state->ready_action_set)
79 return SURF_ACTION_READY;
80 if (action->state_set == action_state->running_action_set)
81 return SURF_ACTION_RUNNING;
82 if (action->state_set == action_state->failed_action_set)
83 return SURF_ACTION_FAILED;
84 if (action->state_set == action_state->done_action_set)
85 return SURF_ACTION_DONE;
86 return SURF_ACTION_NOT_IN_THE_SYSTEM;
89 void surf_action_free(surf_action_t * action)
91 (*action)->resource_type->common_public->action_cancel(*action);
96 void surf_action_change_state(surf_action_t action,
97 e_surf_action_state_t state)
99 surf_action_state_t action_state =
100 &(action->resource_type->common_public->states);
102 xbt_swag_remove(action, action->state_set);
104 if (state == SURF_ACTION_READY)
105 action->state_set = action_state->ready_action_set;
106 else if (state == SURF_ACTION_RUNNING)
107 action->state_set = action_state->running_action_set;
108 else if (state == SURF_ACTION_FAILED)
109 action->state_set = action_state->failed_action_set;
110 else if (state == SURF_ACTION_DONE)
111 action->state_set = action_state->done_action_set;
113 action->state_set = NULL;
115 if (action->state_set)
116 xbt_swag_insert(action, action->state_set);
119 void surf_action_set_data(surf_action_t action,
125 void surf_init(int *argc, char **argv)
130 xbt_init(argc, argv);
132 const char *initial_path = "./";
133 surf_path = xbt_dynar_new(sizeof(char*), NULL);
134 xbt_dynar_push(surf_path,&initial_path);
136 for (i=1; i<*argc; i++) {
137 if (!strncmp(argv[i],"--surf-path=",strlen("--surf-path="))) {
138 opt=strchr(argv[i],'=');
140 xbt_dynar_push(surf_path,&opt);
141 /*remove this from argv*/
142 for (j=i+1; j<*argc; j++) {
147 i--; /* compensate effect of next loop incrementation */
152 resource_list = xbt_dynar_new(sizeof(surf_resource_private_t), NULL);
154 history = tmgr_history_new();
156 maxmin_system = lmm_system_new();
159 static char* path_name = NULL;
160 FILE *surf_fopen(const char *name, const char *mode)
166 xbt_assert1((name!=NULL), "Need a real file name, not \"%s\"\n",name);
168 xbt_assert0(surf_path,"surf_init has to be called before using surf_fopen");
169 if(!path_name) path_name=xbt_new0(char,strlen(name)+1);
171 xbt_dynar_foreach(surf_path,i,path) {
172 if(strlen(path_name)<strlen(path)+strlen(name)+2)
173 path_name=xbt_realloc(path_name,strlen(path)+strlen(name)+2);
174 strcpy(path_name, path);
175 strcat(path_name,"/");
176 strcat(path_name,name);
177 file = fopen(path_name,mode);
178 if(file) return file;
183 void surf_finalize(void)
186 surf_resource_t resource = NULL;
188 xbt_dynar_foreach(resource_list, i, resource) {
189 resource->common_private->finalize();
193 lmm_system_free(maxmin_system);
194 maxmin_system = NULL;
197 tmgr_history_free(history);
201 xbt_dynar_free(&resource_list);
204 xbt_dynar_free(&surf_path);
207 surf_parse_lex_destroy();
214 double surf_solve(void)
216 static int first_run = 1;
219 double next_event_date = -1.0;
220 double resource_next_action_end = -1.0;
222 surf_resource_object_t resource_obj = NULL;
223 surf_resource_t resource = NULL;
224 tmgr_trace_event_t event = NULL;
228 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
229 if (next_event_date > NOW)
232 tmgr_history_get_next_event_leq(history, next_event_date,
234 (void **) &resource_obj))) {
235 resource_obj->resource->common_private->
236 update_resource_state(resource_obj, event, value);
239 xbt_dynar_foreach(resource_list, i, resource) {
240 resource->common_private->update_actions_state(NOW, 0.0);
248 xbt_dynar_foreach(resource_list, i, resource) {
249 resource_next_action_end =
250 resource->common_private->share_resources(NOW);
251 if (((min < 0.0) || (resource_next_action_end < min))
252 && (resource_next_action_end >= 0.0))
253 min = resource_next_action_end;
259 while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
260 if (next_event_date > NOW + min)
263 tmgr_history_get_next_event_leq(history, next_event_date,
265 (void **) &resource_obj))) {
266 if (resource_obj->resource->common_private->
267 resource_used(resource_obj)) {
268 min = next_event_date - NOW;
270 /* update state of resource_obj according to new value. Does not touch lmm.
271 It will be modified if needed when updating actions */
272 resource_obj->resource->common_private->
273 update_resource_state(resource_obj, event, value);
278 xbt_dynar_foreach(resource_list, i, resource) {
279 resource->common_private->update_actions_state(NOW, min);
287 double surf_get_clock(void)