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. */
9 #include "workstation_private.h"
10 #include "cpu_private.h"
11 #include "network_private.h"
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(workstation, surf,
14 "Logging specific to the SURF workstation module");
16 surf_workstation_resource_t surf_workstation_resource = NULL;
18 xbt_dict_t workstation_set = NULL;
20 static workstation_CLM03_t workstation_new(const char *name,
21 void *cpu, void *card)
23 workstation_CLM03_t workstation = xbt_new0(s_workstation_CLM03_t, 1);
25 workstation->resource = (surf_resource_t) surf_workstation_resource;
26 workstation->name = xbt_strdup(name);
27 workstation->cpu = cpu;
28 workstation->network_card = card;
33 static void workstation_free(void *workstation)
35 free(((workstation_CLM03_t)workstation)->name);
39 static void create_workstations(void)
41 xbt_dict_cursor_t cursor = NULL;
46 xbt_dict_foreach(cpu_set, cursor, name, cpu) {
48 xbt_dict_get(network_card_set, name, (void *) &nw_card);
49 xbt_assert1(nw_card, "No corresponding card found for %s",name);
50 xbt_dict_set(workstation_set, name,
51 workstation_new(name, cpu, nw_card), workstation_free);
55 static void *name_service(const char *name)
57 void *workstation = NULL;
59 xbt_dict_get(workstation_set, name, &workstation);
64 static const char *get_resource_name(void *resource_id)
66 return ((workstation_CLM03_t) resource_id)->name;
69 static int resource_used(void *resource_id)
72 "Workstation is a virtual resource. I should not be there!");
76 static int parallel_action_free(surf_action_t action)
80 xbt_swag_remove(action, action->state_set);
81 if(((surf_action_parallel_task_CSL05_t)action)->variable)
82 lmm_variable_free(maxmin_system, ((surf_action_parallel_task_CSL05_t)action)->variable);
89 static void parallel_action_use(surf_action_t action)
94 static int action_free(surf_action_t action)
96 if(action->resource_type==(surf_resource_t)surf_network_resource)
97 return surf_network_resource->common_public->action_free(action);
98 else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
99 return surf_cpu_resource->common_public->action_free(action);
100 else if(action->resource_type==(surf_resource_t)surf_workstation_resource)
101 return parallel_action_free(action);
106 static void action_use(surf_action_t action)
108 if(action->resource_type==(surf_resource_t)surf_network_resource)
109 surf_network_resource->common_public->action_use(action);
110 else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
111 surf_cpu_resource->common_public->action_use(action);
112 else if(action->resource_type==(surf_resource_t)surf_workstation_resource)
113 return parallel_action_use(action);
118 static void action_cancel(surf_action_t action)
124 static void action_recycle(surf_action_t action)
130 static void action_change_state(surf_action_t action,
131 e_surf_action_state_t state)
133 if(action->resource_type==(surf_resource_t)surf_network_resource)
134 surf_network_resource->common_public->action_change_state(action,state);
135 else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
136 surf_cpu_resource->common_public->action_change_state(action,state);
137 else if(action->resource_type==(surf_resource_t)surf_workstation_resource)
138 surf_action_change_state(action, state);
143 static double share_resources(double now)
148 static void update_actions_state(double now, double delta)
150 surf_action_parallel_task_CSL05_t action = NULL;
151 surf_action_parallel_task_CSL05_t next_action = NULL;
152 xbt_swag_t running_actions =
153 surf_workstation_resource->common_public->states.running_action_set;
154 xbt_swag_t failed_actions =
155 surf_workstation_resource->common_public->states.failed_action_set;
157 xbt_swag_foreach_safe(action, next_action, running_actions) {
158 surf_double_update(&(action->generic_action.remains),
159 lmm_variable_getvalue(action->variable) * delta);
160 if (action->generic_action.max_duration != NO_MAX_DURATION)
161 surf_double_update(&(action->generic_action.max_duration), delta);
162 if ((action->generic_action.remains <= 0) &&
163 (lmm_get_variable_weight(action->variable)>0)) {
164 action->generic_action.finish = surf_get_clock();
165 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
166 } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
167 (action->generic_action.max_duration <= 0)) {
168 action->generic_action.finish = surf_get_clock();
169 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
170 } else { /* Need to check that none of the resource has failed */
171 lmm_constraint_t cnst = NULL;
173 surf_resource_t resource = NULL;
176 lmm_get_cnst_from_var(maxmin_system, action->variable,
178 resource = (surf_resource_t) lmm_constraint_id(cnst);
179 if(resource== (surf_resource_t) surf_cpu_resource) {
180 cpu_Cas01_t cpu = lmm_constraint_id(cnst);
181 if (cpu->state_current == SURF_CPU_OFF) {
182 action->generic_action.finish = surf_get_clock();
183 action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
186 } else if (resource== (surf_resource_t) surf_network_resource) {
187 network_link_CM02_t nw_link = lmm_constraint_id(cnst);
189 if (nw_link->state_current == SURF_NETWORK_LINK_OFF) {
190 action->generic_action.finish = surf_get_clock();
191 action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
202 static void update_resource_state(void *id,
203 tmgr_trace_event_t event_type,
209 static surf_action_t execute(void *workstation, double size)
211 return surf_cpu_resource->extension_public->
212 execute(((workstation_CLM03_t) workstation)->cpu, size);
215 static surf_action_t action_sleep(void *workstation, double duration)
217 return surf_cpu_resource->extension_public->
218 sleep(((workstation_CLM03_t) workstation)->cpu, duration);
221 static void action_suspend(surf_action_t action)
223 if(action->resource_type==(surf_resource_t)surf_network_resource)
224 surf_network_resource->common_public->suspend(action);
225 else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
226 surf_cpu_resource->common_public->suspend(action);
230 static void action_resume(surf_action_t action)
232 if(action->resource_type==(surf_resource_t)surf_network_resource)
233 surf_network_resource->common_public->resume(action);
234 else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
235 surf_cpu_resource->common_public->resume(action);
239 static int action_is_suspended(surf_action_t action)
241 if(action->resource_type==(surf_resource_t)surf_network_resource)
242 return surf_network_resource->common_public->is_suspended(action);
243 if(action->resource_type==(surf_resource_t)surf_cpu_resource)
244 return surf_cpu_resource->common_public->is_suspended(action);
248 static void action_set_max_duration(surf_action_t action, double duration)
250 if(action->resource_type==(surf_resource_t)surf_network_resource)
251 surf_network_resource->common_public->set_max_duration(action,duration);
252 else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
253 surf_cpu_resource->common_public->set_max_duration(action,duration);
257 static surf_action_t communicate(void *workstation_src,
258 void *workstation_dst, double size,
261 return surf_network_resource->extension_public->
262 communicate(((workstation_CLM03_t) workstation_src)->network_card,
263 ((workstation_CLM03_t) workstation_dst)->network_card, size, rate);
266 static e_surf_cpu_state_t get_state(void *workstation)
268 return surf_cpu_resource->extension_public->
269 get_state(((workstation_CLM03_t) workstation)->cpu);
272 static surf_action_t execute_parallel_task (int workstation_nb,
273 void **workstation_list,
274 double *computation_amount,
275 double *communication_amount,
279 surf_action_parallel_task_CSL05_t action = NULL;
281 xbt_dict_t network_link_set = xbt_dict_new();
282 xbt_dict_cursor_t cursor = NULL;
285 network_link_CM02_t link;
287 /* Compute the number of affected resources... */
288 for(i=0; i< workstation_nb; i++) {
289 for(j=0; j< workstation_nb; j++) {
290 network_card_CM02_t card_src = ((workstation_CLM03_t*)workstation_list)[i]->network_card;
291 network_card_CM02_t card_dst = ((workstation_CLM03_t*)workstation_list)[j]->network_card;
292 int route_size = ROUTE_SIZE(card_src->id, card_dst->id);
293 network_link_CM02_t *route = ROUTE(card_src->id, card_dst->id);
295 if(communication_amount[i*workstation_nb+j]>=0)
296 for(k=0; k< route_size; k++) {
297 xbt_dict_set(network_link_set, route[k]->name, route[k], NULL);
302 xbt_dict_foreach(network_link_set, cursor, name, link) {
306 action = xbt_new0(s_surf_action_parallel_task_CSL05_t, 1);
307 action->generic_action.using = 1;
308 action->generic_action.cost = amount;
309 action->generic_action.remains = amount;
310 action->generic_action.max_duration = NO_MAX_DURATION;
311 action->generic_action.start = -1.0;
312 action->generic_action.finish = -1.0;
313 action->generic_action.resource_type =
314 (surf_resource_t) surf_workstation_resource;
315 action->suspended = 0; /* Should be useless because of the
316 calloc but it seems to help valgrind... */
317 action->generic_action.state_set =
318 surf_network_resource->common_public->states.running_action_set;
320 xbt_swag_insert(action, action->generic_action.state_set);
324 action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
325 workstation_nb + nb_link);
327 action->variable = lmm_variable_new(maxmin_system, action, 1.0, action->rate,
328 workstation_nb + nb_link);
330 if(nb_link + workstation_nb == 0)
331 action_change_state((surf_action_t) action, SURF_ACTION_DONE);
333 for (i = 0; i<workstation_nb; i++)
334 lmm_expand(maxmin_system, ((cpu_Cas01_t) ((workstation_CLM03_t) workstation_list[i])->cpu)->constraint,
335 action->variable, computation_amount[i]);
337 for (i=0; i<workstation_nb; i++) {
338 for(j=0; j< workstation_nb; j++) {
339 network_card_CM02_t card_src = ((workstation_CLM03_t*)workstation_list)[i]->network_card;
340 network_card_CM02_t card_dst = ((workstation_CLM03_t*)workstation_list)[j]->network_card;
341 int route_size = ROUTE_SIZE(card_src->id, card_dst->id);
342 network_link_CM02_t *route = ROUTE(card_src->id, card_dst->id);
344 for(k=0; k< route_size; k++) {
345 if(communication_amount[i*workstation_nb+j]>=0) {
346 lmm_expand_add(maxmin_system, route[k]->constraint,
347 action->variable, communication_amount[i*workstation_nb+j]);
353 return (surf_action_t) action;
356 static void finalize(void)
358 xbt_dict_free(&workstation_set);
359 xbt_swag_free(surf_workstation_resource->common_public->states.ready_action_set);
360 xbt_swag_free(surf_workstation_resource->common_public->states.
362 xbt_swag_free(surf_workstation_resource->common_public->states.
364 xbt_swag_free(surf_workstation_resource->common_public->states.done_action_set);
366 free(surf_workstation_resource->common_public);
367 free(surf_workstation_resource->common_private);
368 free(surf_workstation_resource->extension_public);
370 free(surf_workstation_resource);
371 surf_workstation_resource = NULL;
374 static void surf_workstation_resource_init_internal(void)
376 s_surf_action_t action;
378 surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
380 surf_workstation_resource->common_private =
381 xbt_new0(s_surf_resource_private_t, 1);
382 surf_workstation_resource->common_public =
383 xbt_new0(s_surf_resource_public_t, 1);
384 /* surf_workstation_resource->extension_private = xbt_new0(s_surf_workstation_resource_extension_private_t,1); */
385 surf_workstation_resource->extension_public =
386 xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
388 surf_workstation_resource->common_public->states.ready_action_set =
389 xbt_swag_new(xbt_swag_offset(action, state_hookup));
390 surf_workstation_resource->common_public->states.running_action_set =
391 xbt_swag_new(xbt_swag_offset(action, state_hookup));
392 surf_workstation_resource->common_public->states.failed_action_set =
393 xbt_swag_new(xbt_swag_offset(action, state_hookup));
394 surf_workstation_resource->common_public->states.done_action_set =
395 xbt_swag_new(xbt_swag_offset(action, state_hookup));
397 surf_workstation_resource->common_public->name_service = name_service;
398 surf_workstation_resource->common_public->get_resource_name =
400 surf_workstation_resource->common_public->action_get_state =
401 surf_action_get_state;
402 surf_workstation_resource->common_public->action_free = action_free;
403 surf_workstation_resource->common_public->action_use = action_use;
404 surf_workstation_resource->common_public->action_cancel = action_cancel;
405 surf_workstation_resource->common_public->action_recycle =
407 surf_workstation_resource->common_public->action_change_state =
409 surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
410 surf_workstation_resource->common_public->name = "Workstation";
412 surf_workstation_resource->common_private->resource_used = resource_used;
413 surf_workstation_resource->common_private->share_resources =
415 surf_workstation_resource->common_private->update_actions_state =
416 update_actions_state;
417 surf_workstation_resource->common_private->update_resource_state =
418 update_resource_state;
419 surf_workstation_resource->common_private->finalize = finalize;
421 surf_workstation_resource->common_public->suspend = action_suspend;
422 surf_workstation_resource->common_public->resume = action_resume;
423 surf_workstation_resource->common_public->is_suspended = action_is_suspended;
424 surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
426 surf_workstation_resource->extension_public->execute = execute;
427 surf_workstation_resource->extension_public->sleep = action_sleep;
428 surf_workstation_resource->extension_public->get_state = get_state;
429 surf_workstation_resource->extension_public->communicate = communicate;
430 surf_workstation_resource->extension_public->execute_parallel_task =
431 execute_parallel_task;
433 workstation_set = xbt_dict_new();
435 xbt_assert0(maxmin_system, "surf_init has to be called first!");
438 /********************************************************************/
439 /* The model used in MSG and presented at CCGrid03 */
440 /********************************************************************/
441 /* @InProceedings{Casanova.CLM_03, */
442 /* author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
443 /* title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
444 /* booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
445 /* publisher = {"IEEE Computer Society Press"}, */
449 void surf_workstation_resource_init_CLM03(const char *filename)
452 /* surf_resource_t resource = NULL; */
454 surf_workstation_resource_init_internal();
455 surf_cpu_resource_init_Cas01(filename);
456 surf_network_resource_init_CM02(filename);
457 create_workstations();
458 xbt_dynar_push(resource_list, &surf_workstation_resource);
459 /* xbt_dynar_foreach(resource_list, i, resource) { */
460 /* if(resource==surf_cpu_resource) { */
461 /* xbt_dynar_remove_at(resource_list, i, NULL); */
465 /* if(resource==surf_network_resource) { */
466 /* xbt_dynar_remove_at(resource_list, i, NULL); */