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[simgrid.git] / src / surf / workstation_ptask_L07.c
1 /*      $Id$     */
2
3 /* Copyright (c) 2007 Arnaud Legrand. All rights reserved.                  */
4
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. */
7
8 #include "xbt/ex.h"
9 #include "xbt/str.h"
10 #include "xbt/dict.h"
11 #include "surf_private.h"
12 /* extern lmm_system_t maxmin_system; */
13
14 typedef enum {
15   SURF_WORKSTATION_RESOURCE_CPU,
16   SURF_WORKSTATION_RESOURCE_LINK,
17 } e_surf_workstation_model_type_t;
18
19 /**************************************/
20 /********* cpu object *****************/
21 /**************************************/
22 typedef struct cpu_L07 {
23   surf_model_t model;   /* Do not move this field: must match model_obj_t */
24   xbt_dict_t properties;                /* Do not move this field: must match link_L07_t */
25   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
26   char *name;                           /* Do not move this field: must match link_L07_t */
27   lmm_constraint_t constraint;          /* Do not move this field: must match link_L07_t */
28   double power_scale;
29   double power_current;
30   tmgr_trace_event_t power_event;
31   e_surf_cpu_state_t state_current;
32   tmgr_trace_event_t state_event;
33   int id;                       /* cpu and network card are a single object... */
34 } s_cpu_L07_t, *cpu_L07_t;
35
36 /**************************************/
37 /*********** network object ***********/
38 /**************************************/
39
40 typedef struct link_L07 {
41   surf_model_t model;   /* Do not move this field: must match model_obj_t */
42   xbt_dict_t properties;                /* Do not move this field: must match link_L07_t */
43   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
44   char *name;                           /* Do not move this field: must match cpu_L07_t */
45   lmm_constraint_t constraint;          /* Do not move this field: must match cpu_L07_t */
46   double lat_current;
47   tmgr_trace_event_t lat_event;
48   double bw_current;
49   tmgr_trace_event_t bw_event;
50   e_surf_link_state_t state_current;
51   tmgr_trace_event_t state_event;
52 } s_link_L07_t, *link_L07_t;
53
54
55 typedef struct s_route_L07 {
56   link_L07_t *links;
57   int size;
58 } s_route_L07_t, *route_L07_t;
59
60 /**************************************/
61 /*************** actions **************/
62 /**************************************/
63 typedef struct surf_action_workstation_L07 {
64   s_surf_action_t generic_action;
65   lmm_variable_t variable;
66   int workstation_nb;
67   cpu_L07_t *workstation_list;
68   double *computation_amount;
69   double *communication_amount;
70   double latency;
71   double rate;
72   int suspended;
73 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
74
75
76 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
77
78 static int nb_workstation = 0;
79 static s_route_L07_t *routing_table = NULL;
80 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
81 static link_L07_t loopback = NULL;
82 static xbt_dict_t parallel_task_link_set = NULL;
83 lmm_system_t ptask_maxmin_system = NULL;
84
85
86 static void update_action_bound(surf_action_workstation_L07_t action)
87 {
88   int workstation_nb = action->workstation_nb;
89   double lat_current = 0.0;
90   double lat_bound = -1.0;
91   int i, j, k;
92   
93   for (i = 0; i < workstation_nb; i++) {
94     for (j = 0; j < workstation_nb; j++) {
95       cpu_L07_t card_src = action->workstation_list[i];
96       cpu_L07_t card_dst = action->workstation_list[j];
97       int route_size = ROUTE(card_src->id, card_dst->id).size;
98       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
99       double lat = 0.0;
100       
101       if (action->communication_amount[i * workstation_nb + j] > 0) {
102         for (k = 0; k < route_size; k++) {
103           lat += route[k]->lat_current;
104         }
105         lat_current=MAX(lat_current,lat*action->communication_amount[i * workstation_nb + j]);
106       }
107     }
108   }
109   lat_bound = SG_TCP_CTE_GAMMA / (2.0 * lat_current);
110   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
111   if ((action->latency == 0.0) && (action->suspended == 0)) {
112     if (action->rate < 0)
113       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
114                                 lat_bound);
115     else
116       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
117                                 min(action->rate,lat_bound));
118   }
119 }
120
121 /**************************************/
122 /******* Resource Public     **********/
123 /**************************************/
124
125 static void *name_service(const char *name)
126 {
127   return xbt_dict_get_or_null(workstation_set, name);
128 }
129
130 static const char *get_resource_name(void *resource_id)
131 {
132   /* We can freely cast as a cpu_L07_t because it has the same
133      prefix as link_L07_t. However, only cpu_L07_t
134      will theoretically be given as an argument here. */
135
136   return ((cpu_L07_t) resource_id)->name;
137 }
138 static xbt_dict_t get_properties(void *r) {
139   /* We can freely cast as a cpu_L07_t since it has the same prefix than link_L07_t */
140  return ((cpu_L07_t) r)->properties;
141 }
142
143 /* action_get_state is inherited from the surf module */
144
145 static void action_use(surf_action_t action)
146 {
147   action->using++;
148   return;
149 }
150
151 static int action_free(surf_action_t action)
152 {
153   action->using--;
154
155   if (!action->using) {
156     xbt_swag_remove(action, action->state_set);
157     if (((surf_action_workstation_L07_t) action)->variable)
158       lmm_variable_free(ptask_maxmin_system,
159                         ((surf_action_workstation_L07_t) action)->
160                         variable);
161     free(((surf_action_workstation_L07_t)action)->workstation_list);
162     free(((surf_action_workstation_L07_t)action)->communication_amount);
163     free(((surf_action_workstation_L07_t)action)->computation_amount);
164     free(action);
165     return 1;
166   }
167   return 0;
168 }
169
170 static void action_cancel(surf_action_t action)
171 {
172   surf_action_change_state(action, SURF_ACTION_FAILED);
173   return;
174 }
175
176 static void action_recycle(surf_action_t action)
177 {
178   DIE_IMPOSSIBLE;
179   return;
180 }
181
182 /* action_change_state is inherited from the surf module */
183 /* action_set_data is inherited from the surf module */
184
185 static void action_suspend(surf_action_t action)
186 {
187   XBT_IN1("(%p))", action);
188   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
189     ((surf_action_workstation_L07_t) action)->suspended = 1;
190     lmm_update_variable_weight(ptask_maxmin_system,
191                                ((surf_action_workstation_L07_t)
192                                 action)->variable, 0.0);
193   }
194   XBT_OUT;
195 }
196
197 static void action_resume(surf_action_t action)
198 {
199   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
200
201   XBT_IN1("(%p)", act);
202   if (act->suspended != 2) {
203     lmm_update_variable_weight(ptask_maxmin_system,act->variable, 1.0);
204     act->suspended = 0;
205   }
206   XBT_OUT;
207 }
208
209 static int action_is_suspended(surf_action_t action)
210 {
211   return (((surf_action_workstation_L07_t) action)->suspended == 1);
212 }
213
214 static void action_set_max_duration(surf_action_t action, double duration)
215 {                               /* FIXME: should inherit */
216   XBT_IN2("(%p,%g)", action, duration);
217   action->max_duration = duration;
218   XBT_OUT;
219 }
220
221
222 static void action_set_priority(surf_action_t action, double priority)
223 {                               /* FIXME: should inherit */
224   XBT_IN2("(%p,%g)", action, priority);
225   action->priority = priority;
226   XBT_OUT;
227 }
228
229 /**************************************/
230 /******* Resource Private    **********/
231 /**************************************/
232
233 static int resource_used(void *resource_id)
234 {
235   /* We can freely cast as a link_L07_t because it has
236      the same prefix as cpu_L07_t */
237   return lmm_constraint_used(ptask_maxmin_system,
238                              ((link_L07_t) resource_id)->
239                              constraint);
240
241 }
242
243 static double share_resources(double now)
244 {
245   s_surf_action_workstation_L07_t s_action;
246   surf_action_workstation_L07_t action = NULL;
247
248   xbt_swag_t running_actions =
249       surf_workstation_model->common_public->states.running_action_set;
250   double min = generic_maxmin_share_resources(running_actions,
251                                               xbt_swag_offset(s_action,
252                                                               variable),
253                                               ptask_maxmin_system,
254                                               bottleneck_solve);
255
256   xbt_swag_foreach(action, running_actions) {
257     if (action->latency > 0) {
258       if (min < 0) {
259         min = action->latency;
260         DEBUG3("Updating min (value) with %p (start %f): %f", action,
261                action->generic_action.start, min);
262       } else if (action->latency < min) {
263         min = action->latency;
264         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
265                action->generic_action.start, min);
266       }
267     }
268   }
269
270   DEBUG1("min value : %f", min);
271
272   return min;
273 }
274
275 static void update_actions_state(double now, double delta)
276 {
277   double deltap = 0.0;
278   surf_action_workstation_L07_t action = NULL;
279   surf_action_workstation_L07_t next_action = NULL;
280   xbt_swag_t running_actions =
281       surf_workstation_model->common_public->states.running_action_set;
282
283   xbt_swag_foreach_safe(action, next_action, running_actions) {
284     deltap = delta;
285     if (action->latency > 0) {
286       if (action->latency > deltap) {
287         double_update(&(action->latency), deltap);
288         deltap = 0.0;
289       } else {
290         double_update(&(deltap), action->latency);
291         action->latency = 0.0;
292       }
293       if ((action->latency == 0.0) && (action->suspended == 0)) {
294         update_action_bound(action);
295         lmm_update_variable_weight(ptask_maxmin_system,action->variable, 1.0);
296       }
297     }
298     DEBUG3("Action (%p) : remains (%g) updated by %g.",
299            action, action->generic_action.remains,
300            lmm_variable_getvalue(action->variable) * delta);
301     double_update(&(action->generic_action.remains),
302                   lmm_variable_getvalue(action->variable) * delta);
303
304     if (action->generic_action.max_duration != NO_MAX_DURATION)
305       double_update(&(action->generic_action.max_duration), delta);
306
307     DEBUG2("Action (%p) : remains (%g).",
308            action, action->generic_action.remains);
309     if ((action->generic_action.remains <= 0) &&
310         (lmm_get_variable_weight(action->variable) > 0)) {
311       action->generic_action.finish = surf_get_clock();
312       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
313     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
314                (action->generic_action.max_duration <= 0)) {
315       action->generic_action.finish = surf_get_clock();
316       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
317     } else {
318       /* Need to check that none of the model has failed */
319       lmm_constraint_t cnst = NULL;
320       int i = 0;
321       void *constraint_id = NULL;
322
323       while ((cnst =
324               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
325                                     i++))) {
326         constraint_id = lmm_constraint_id(cnst);
327
328 /*      if(((link_L07_t)constraint_id)->type== */
329 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
330 /*        DEBUG2("Checking for link %s (%p)", */
331 /*               ((link_L07_t)constraint_id)->name, */
332 /*               ((link_L07_t)constraint_id)); */
333 /*      } */
334 /*      if(((cpu_L07_t)constraint_id)->type== */
335 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
336 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
337 /*               ((cpu_L07_t)constraint_id)->name, */
338 /*               ((cpu_L07_t)constraint_id), */
339 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
340 /*      } */
341
342         if (((((link_L07_t) constraint_id)->type ==
343               SURF_WORKSTATION_RESOURCE_LINK) &&
344              (((link_L07_t) constraint_id)->state_current ==
345               SURF_LINK_OFF)) ||
346             ((((cpu_L07_t) constraint_id)->type ==
347               SURF_WORKSTATION_RESOURCE_CPU) &&
348              (((cpu_L07_t) constraint_id)->state_current ==
349               SURF_CPU_OFF))) {
350           DEBUG1("Action (%p) Failed!!", action);
351           action->generic_action.finish = surf_get_clock();
352           surf_action_change_state((surf_action_t) action,
353                                    SURF_ACTION_FAILED);
354           break;
355         }
356       }
357     }
358   }
359   return;
360 }
361
362 static void update_resource_state(void *id,
363                                   tmgr_trace_event_t event_type,
364                                   double value, double date)
365 {
366   cpu_L07_t cpu = id;
367   link_L07_t nw_link = id;
368
369   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
370     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
371     if (event_type == nw_link->bw_event) {
372       nw_link->bw_current = value;
373       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
374                                   nw_link->bw_current);
375     } else if (event_type == nw_link->lat_event) {
376       lmm_variable_t var = NULL;
377       surf_action_workstation_L07_t action = NULL;
378       lmm_element_t elem = NULL;
379
380       nw_link->lat_current = value;
381       while ((var = lmm_get_var_from_cnst
382              (ptask_maxmin_system, nw_link->constraint, &elem))) {
383         
384
385         action = lmm_variable_id(var);
386         update_action_bound(action);
387       }
388
389     } else if (event_type == nw_link->state_event) {
390       if (value > 0)
391         nw_link->state_current = SURF_LINK_ON;
392       else
393         nw_link->state_current = SURF_LINK_OFF;
394     } else {
395       CRITICAL0("Unknown event ! \n");
396       xbt_abort();
397     }
398     return;
399   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
400     DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
401     if (event_type == cpu->power_event) {
402       cpu->power_current = value;
403       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
404                                   cpu->power_current * cpu->power_scale);
405     } else if (event_type == cpu->state_event) {
406       if (value > 0)
407         cpu->state_current = SURF_CPU_ON;
408       else
409         cpu->state_current = SURF_CPU_OFF;
410     } else {
411       CRITICAL0("Unknown event ! \n");
412       xbt_abort();
413     }
414     return;
415   } else {
416     DIE_IMPOSSIBLE;
417   }
418   return;
419 }
420
421 static void finalize(void)
422 {
423   int i, j;
424
425   xbt_dict_free(&link_set);
426   xbt_dict_free(&workstation_set);
427   if (parallel_task_link_set != NULL) {
428     xbt_dict_free(&parallel_task_link_set);
429   }
430   xbt_swag_free(surf_workstation_model->common_public->states.
431                 ready_action_set);
432   xbt_swag_free(surf_workstation_model->common_public->states.
433                 running_action_set);
434   xbt_swag_free(surf_workstation_model->common_public->states.
435                 failed_action_set);
436   xbt_swag_free(surf_workstation_model->common_public->states.
437                 done_action_set);
438
439   free(surf_workstation_model->common_public);
440   free(surf_workstation_model->common_private);
441   free(surf_workstation_model->extension_public);
442
443   free(surf_workstation_model);
444   surf_workstation_model = NULL;
445
446   for (i = 0; i < nb_workstation; i++)
447     for (j = 0; j < nb_workstation; j++)
448       free(ROUTE(i, j).links);
449   free(routing_table);
450   routing_table = NULL;
451   nb_workstation = 0;
452
453   if (ptask_maxmin_system) {
454     lmm_system_free(ptask_maxmin_system);
455     ptask_maxmin_system = NULL;
456   }
457 }
458
459 /**************************************/
460 /******* Resource Private    **********/
461 /**************************************/
462
463 static e_surf_cpu_state_t resource_get_state(void *cpu)
464 {
465   return ((cpu_L07_t) cpu)->state_current;
466 }
467
468 static double get_speed(void *cpu, double load)
469 {
470   return load * (((cpu_L07_t) cpu)->power_scale);
471 }
472
473 static double get_available_speed(void *cpu)
474 {
475   return ((cpu_L07_t) cpu)->power_current;
476 }
477
478 static surf_action_t execute_parallel_task(int workstation_nb,
479                                            void **workstation_list,
480                                            double *computation_amount,
481                                            double *communication_amount,
482                                            double amount, double rate)
483 {
484   surf_action_workstation_L07_t action = NULL;
485   int i, j, k;
486   int nb_link = 0;
487   int nb_host = 0;
488   double latency = 0.0;
489
490   if (parallel_task_link_set == NULL)
491     parallel_task_link_set = xbt_dict_new();
492
493   xbt_dict_reset(parallel_task_link_set);
494
495   /* Compute the number of affected resources... */
496   for (i = 0; i < workstation_nb; i++) {
497     for (j = 0; j < workstation_nb; j++) {
498       cpu_L07_t card_src = workstation_list[i];
499       cpu_L07_t card_dst = workstation_list[j];
500       int route_size = ROUTE(card_src->id, card_dst->id).size;
501       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
502       double lat = 0.0;
503
504       if (communication_amount[i * workstation_nb + j] > 0)
505         for (k = 0; k < route_size; k++) {
506           lat += route[k]->lat_current;
507           xbt_dict_set(parallel_task_link_set, route[k]->name,
508                        route[k], NULL);
509         }
510       latency=MAX(latency,lat);
511     }
512   }
513
514   nb_link = xbt_dict_length(parallel_task_link_set);
515   xbt_dict_reset(parallel_task_link_set);
516
517   for (i = 0; i < workstation_nb; i++)
518     if (computation_amount[i] > 0)
519       nb_host++;
520
521   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
522   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
523          action, workstation_nb, nb_link);
524   action->generic_action.using = 1;
525   action->generic_action.cost = amount;
526   action->generic_action.remains = amount;
527   action->generic_action.max_duration = NO_MAX_DURATION;
528   action->generic_action.start = surf_get_clock();
529   action->generic_action.finish = -1.0;
530   action->generic_action.model_type =
531       (surf_model_t) surf_workstation_model;
532   action->suspended = 0;        /* Should be useless because of the
533                                    calloc but it seems to help valgrind... */
534   action->workstation_nb = workstation_nb;
535   action->workstation_list = (cpu_L07_t *)workstation_list;
536   action->computation_amount = computation_amount;
537   action->communication_amount = communication_amount;
538   action->latency = latency;
539   action->generic_action.state_set =
540       surf_workstation_model->common_public->states.running_action_set;
541
542   xbt_swag_insert(action, action->generic_action.state_set);
543   action->rate = rate;
544
545   if (action->rate > 0)
546     action->variable =
547         lmm_variable_new(ptask_maxmin_system, action, 1.0, -1.0,
548                          workstation_nb + nb_link);
549   else
550     action->variable =
551         lmm_variable_new(ptask_maxmin_system, action, 1.0, action->rate,
552                          workstation_nb + nb_link);
553
554   if (action->latency > 0) 
555     lmm_update_variable_weight(ptask_maxmin_system,action->variable,0.0);
556
557   for (i = 0; i < workstation_nb; i++)
558     lmm_expand(ptask_maxmin_system,
559                ((cpu_L07_t) workstation_list[i])->constraint,
560                action->variable, computation_amount[i]);
561   
562   for (i = 0; i < workstation_nb; i++) {
563     for (j = 0; j < workstation_nb; j++) {
564       cpu_L07_t card_src = workstation_list[i];
565       cpu_L07_t card_dst = workstation_list[j];
566       int route_size = ROUTE(card_src->id, card_dst->id).size;
567       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
568       
569       if (communication_amount[i * workstation_nb + j] == 0.0) 
570         continue;
571       for (k = 0; k < route_size; k++) {
572           lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
573                          action->variable,
574                          communication_amount[i * workstation_nb + j]);
575       }
576     }
577   }
578
579   if (nb_link + nb_host == 0) {
580     action->generic_action.cost = 1.0;
581     action->generic_action.remains = 0.0;
582   }
583
584   return (surf_action_t) action;
585 }
586
587 static surf_action_t execute(void *cpu, double size)
588 {
589   void **workstation_list = xbt_new0(void *, 1);
590   double *computation_amount = xbt_new0(double, 1);
591   double *communication_amount = xbt_new0(double, 1);
592
593   workstation_list[0] = cpu;
594   communication_amount[0] = 0.0;
595   computation_amount[0] = size;
596
597   return execute_parallel_task(1, workstation_list, computation_amount,
598                                communication_amount, 1, -1);
599 }
600
601 static surf_action_t communicate(void *src, void *dst, double size,
602                                  double rate)
603 {
604   void **workstation_list = xbt_new0(void *, 2);
605   double *computation_amount = xbt_new0(double, 2);
606   double *communication_amount = xbt_new0(double, 4);
607   surf_action_t res = NULL;
608
609   workstation_list[0] = src;
610   workstation_list[1] = dst;
611   communication_amount[1] = size;
612
613   res = execute_parallel_task(2, workstation_list,
614                               computation_amount, communication_amount,
615                               1, rate);
616
617   return res;
618 }
619
620 static surf_action_t action_sleep(void *cpu, double duration)
621 {
622   surf_action_workstation_L07_t action = NULL;
623
624   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
625
626   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
627   action->generic_action.max_duration = duration;
628   action->suspended = 2;
629   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
630
631   XBT_OUT;
632   return (surf_action_t) action;
633 }
634
635 /* returns an array of link_L07_t */
636 static const void **get_route(void *src, void *dst)
637 {
638   cpu_L07_t card_src = src;
639   cpu_L07_t card_dst = dst;
640   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
641
642   return (const void **) route->links;
643 }
644
645 static int get_route_size(void *src, void *dst)
646 {
647   cpu_L07_t card_src = src;
648   cpu_L07_t card_dst = dst;
649   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
650   return route->size;
651 }
652
653 static const char *get_link_name(const void *link)
654 {
655   return ((link_L07_t) link)->name;
656 }
657
658 static double get_link_bandwidth(const void *link)
659 {
660   return ((link_L07_t) link)->bw_current;
661 }
662
663 static double get_link_latency(const void *link)
664 {
665   return ((link_L07_t) link)->lat_current;
666 }
667
668
669 /**************************************/
670 /*** Resource Creation & Destruction **/
671 /**************************************/
672
673 static void cpu_free(void *cpu)
674 {
675   free(((cpu_L07_t) cpu)->name);
676   free(cpu);
677 }
678
679 static cpu_L07_t cpu_new(const char *name, double power_scale,
680                          double power_initial,
681                          tmgr_trace_t power_trace,
682                          e_surf_cpu_state_t state_initial,
683                          tmgr_trace_t state_trace,
684                          xbt_dict_t cpu_properties)
685 {
686   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
687   xbt_assert1(! xbt_dict_get_or_null(workstation_set, name),
688               "Host '%s' declared several times in the platform file.",name);
689
690   cpu->model = (surf_model_t) surf_workstation_model;
691   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
692   cpu->name = xbt_strdup(name);
693   cpu->id = nb_workstation++;
694
695   cpu->power_scale = power_scale;
696   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
697
698   cpu->power_current = power_initial;
699   if (power_trace)
700     cpu->power_event =
701         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
702
703   cpu->state_current = state_initial;
704   if (state_trace)
705     cpu->state_event =
706         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
707
708   cpu->constraint =
709       lmm_constraint_new(ptask_maxmin_system, cpu,
710                          cpu->power_current * cpu->power_scale);
711
712   /*add the property set*/
713   cpu->properties =  current_property_set;
714
715   xbt_dict_set(workstation_set, name, cpu, cpu_free);
716
717   return cpu;
718 }
719
720 static void create_routing_table(void)
721 {
722    routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
723 }
724
725 static void parse_cpu_init(void)
726 {
727   double power_scale = 0.0;
728   double power_initial = 0.0;
729   tmgr_trace_t power_trace = NULL;
730   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
731   tmgr_trace_t state_trace = NULL;
732
733   power_scale = get_cpu_power(A_surfxml_host_power);
734   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
735   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
736
737   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
738               (A_surfxml_host_state == A_surfxml_host_state_OFF),
739               "Invalid state");
740   if (A_surfxml_host_state == A_surfxml_host_state_ON)
741     state_initial = SURF_CPU_ON;
742   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
743     state_initial = SURF_CPU_OFF;
744   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
745
746   current_property_set = xbt_dict_new();
747   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
748           state_initial, state_trace,current_property_set);
749 }
750
751 static void link_free(void *nw_link)
752 {
753   free(((link_L07_t) nw_link)->name);
754   free(nw_link);
755 }
756
757 static link_L07_t link_new(char *name,
758                            double bw_initial,
759                            tmgr_trace_t bw_trace,
760                            double lat_initial,
761                            tmgr_trace_t lat_trace,
762                            e_surf_link_state_t
763                            state_initial,
764                            tmgr_trace_t state_trace,
765                            e_surf_link_sharing_policy_t
766                            policy, xbt_dict_t properties)
767 {   
768   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
769   xbt_assert1(! xbt_dict_get_or_null(link_set, name),
770               "Link '%s' declared several times in the platform file.",name);
771
772   nw_link->model = (surf_model_t) surf_workstation_model;
773   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
774   nw_link->name = name;
775   nw_link->bw_current = bw_initial;
776   if (bw_trace)
777     nw_link->bw_event =
778         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
779   nw_link->state_current = state_initial;
780   nw_link->lat_current = lat_initial;
781   if (lat_trace)
782     nw_link->lat_event =
783         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
784   if (state_trace)
785     nw_link->state_event =
786         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
787
788   nw_link->constraint =
789       lmm_constraint_new(ptask_maxmin_system, nw_link,
790                          nw_link->bw_current);
791
792   if (policy == SURF_LINK_FATPIPE)
793     lmm_constraint_shared(nw_link->constraint);
794
795   nw_link->properties = properties;
796   
797   xbt_dict_set(link_set, name, nw_link, link_free);
798
799   return nw_link;
800 }
801
802 static void parse_link_init(void)
803 {
804   char *name_link;
805   double bw_initial;
806   tmgr_trace_t bw_trace;
807   double lat_initial;
808   tmgr_trace_t lat_trace;
809   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
810   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
811   tmgr_trace_t state_trace;
812
813   name_link = xbt_strdup(A_surfxml_link_id);
814   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
815   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
816   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
817   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
818
819   xbt_assert0((A_surfxml_link_state ==
820                A_surfxml_link_state_ON)
821               || (A_surfxml_link_state ==
822                   A_surfxml_link_state_OFF), "Invalid state");
823   if (A_surfxml_link_state == A_surfxml_link_state_ON)
824     state_initial_link = SURF_LINK_ON;
825   else if (A_surfxml_link_state ==
826            A_surfxml_link_state_OFF)
827     state_initial_link = SURF_LINK_OFF;
828
829   if (A_surfxml_link_sharing_policy ==
830       A_surfxml_link_sharing_policy_SHARED)
831     policy_initial_link = SURF_LINK_SHARED;
832   else if (A_surfxml_link_sharing_policy ==
833            A_surfxml_link_sharing_policy_FATPIPE)
834     policy_initial_link = SURF_LINK_FATPIPE;
835
836   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
837
838   current_property_set = xbt_dict_new();
839   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
840                    state_initial_link, state_trace, policy_initial_link, current_property_set);
841  }
842
843 static void route_new(int src_id, int dst_id,
844                       link_L07_t * link_list , int nb_link)
845 {
846   route_L07_t route = &(ROUTE(src_id, dst_id));
847
848   route->size = nb_link;
849   route->links = link_list = xbt_realloc(link_list, sizeof(link_L07_t) * nb_link); 
850 }
851
852
853 static int src_id = -1;
854 static int dst_id = -1;
855
856 static void parse_route_set_endpoints(void)
857 {
858   cpu_L07_t cpu_tmp = NULL;
859
860   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
861   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
862   if (cpu_tmp != NULL)
863     src_id = cpu_tmp->id;
864
865   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
866   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
867   if (cpu_tmp != NULL)
868     dst_id = cpu_tmp->id;
869
870   route_action = A_surfxml_route_action;
871
872   route_link_list = xbt_dynar_new(sizeof(char*), &free_string);
873 }
874
875 static void parse_route_set_route(void)
876 {
877   char* name;
878   if (src_id != -1 && dst_id != -1) {
879      name = bprintf("%x#%x",src_id, dst_id);
880      manage_route(route_table, name, route_action, 0);
881      free(name);
882   }
883 }
884
885 static void add_loopback(void)
886 {
887   int i;
888
889   /* Adding loopback if needed */
890   for (i = 0; i < nb_workstation; i++)
891     if (!ROUTE(i, i).size) {
892       if (!loopback)
893         loopback = link_new(xbt_strdup("__MSG_loopback__"),
894                                     498000000, NULL, 0.000015, NULL,
895                                     SURF_LINK_ON, NULL,
896                                     SURF_LINK_FATPIPE,NULL);
897
898       ROUTE(i, i).size = 1;
899       ROUTE(i, i).links = xbt_new0(link_L07_t, 1);
900       ROUTE(i, i).links[0] = loopback;
901     }
902 }
903
904 static void add_route(void)
905 {
906     xbt_ex_t e;
907     int nb_link = 0;
908     unsigned int cpt = 0;
909     int link_list_capacity = 0;
910     link_L07_t *link_list = NULL;
911     xbt_dict_cursor_t cursor = NULL;
912     char *key,*data, *end;
913     const char *sep = "#";
914     xbt_dynar_t links, keys;
915         char* link = NULL;
916
917     if (routing_table == NULL) create_routing_table();
918
919     xbt_dict_foreach(route_table, cursor, key, data) {
920        nb_link = 0;
921        links = (xbt_dynar_t)data;
922        keys = xbt_str_split_str(key, sep);
923        
924        src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
925        dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
926
927        link_list_capacity = xbt_dynar_length(links);
928        link_list = xbt_new(link_L07_t, link_list_capacity);
929
930        
931        xbt_dynar_foreach (links, cpt, link) {
932          TRY {
933            link_list[nb_link++] = xbt_dict_get(link_set, link);
934          }
935          CATCH(e) {
936            RETHROW1("Link %s not found (dict raised this exception: %s)", link);
937          }    
938        }
939        route_new(src_id, dst_id, link_list, nb_link);
940    }
941
942    xbt_dict_free(&route_table);
943 }
944
945 static void add_traces(void) {   
946    xbt_dict_cursor_t cursor=NULL;
947    char *trace_name,*elm;
948    
949    if (!trace_connect_list_host_avail) return;
950  
951    /* Connect traces relative to cpu */
952    xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
953       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
954       cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
955       
956       xbt_assert1(host, "Host %s undefined", elm);
957       xbt_assert1(trace, "Trace %s undefined", trace_name);
958       
959       host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); 
960    }
961
962    xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
963       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
964       cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
965       
966       xbt_assert1(host, "Host %s undefined", elm);
967       xbt_assert1(trace, "Trace %s undefined", trace_name);
968       
969       host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); 
970    }
971
972    /* Connect traces relative to network */
973    xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
974       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
975       link_L07_t link = xbt_dict_get_or_null(link_set, elm);
976       
977       xbt_assert1(link, "Link %s undefined", elm);
978       xbt_assert1(trace, "Trace %s undefined", trace_name);
979       
980       link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
981    }
982
983    xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
984       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
985       link_L07_t link = xbt_dict_get_or_null(link_set, elm);
986       
987       xbt_assert1(link, "Link %s undefined", elm);
988       xbt_assert1(trace, "Trace %s undefined", trace_name);
989       
990       link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
991    }
992    
993    xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
994       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
995       link_L07_t link = xbt_dict_get_or_null(link_set, elm);
996       
997       xbt_assert1(link, "Link %s undefined", elm);
998       xbt_assert1(trace, "Trace %s undefined", trace_name);
999       
1000       link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
1001    }
1002 /*
1003    
1004    xbt_dynar_foreach (traces_connect_list, cpt, value) {
1005      trace_connect = xbt_str_split_str(value, "#");
1006      trace_id        = xbt_dynar_get_as(trace_connect, 0, char*);
1007      connect_element = atoi(xbt_dynar_get_as(trace_connect, 1, char*)); 
1008      connect_kind    = atoi(xbt_dynar_get_as(trace_connect, 2, char*));
1009      connector_id    = xbt_dynar_get_as(trace_connect, 3, char*);
1010
1011      xbt_assert1((trace = xbt_dict_get_or_null(traces_set_list, trace_id)), "Trace %s undefined", trace_id);
1012
1013      if (connect_element == A_surfxml_trace_c_connect_element_HOST) {
1014         xbt_assert1((host = xbt_dict_get_or_null(workstation_set, connector_id)), "Host %s undefined", connector_id);
1015         switch (connect_kind) {
1016            case A_surfxml_trace_c_connect_kind_AVAILABILITY: host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1017            case A_surfxml_trace_c_connect_kind_POWER: host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1018         }
1019      }
1020      else {
1021         xbt_assert1((link = xbt_dict_get_or_null(link_set, connector_id)), "Link %s undefined", connector_id);
1022         switch (connect_kind) {
1023            case A_surfxml_trace_c_connect_kind_AVAILABILITY: link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1024            case A_surfxml_trace_c_connect_kind_BANDWIDTH: link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1025            case A_surfxml_trace_c_connect_kind_LATENCY: link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1026         }
1027      }
1028    }
1029 */
1030    xbt_dict_free(&trace_connect_list_host_avail);
1031    xbt_dict_free(&trace_connect_list_power);
1032    xbt_dict_free(&trace_connect_list_link_avail);
1033    xbt_dict_free(&trace_connect_list_bandwidth);
1034    xbt_dict_free(&trace_connect_list_latency);
1035    
1036    xbt_dict_free(&traces_set_list); 
1037 }
1038
1039 static void define_callbacks(const char *file)
1040 {
1041   /* Adding callback functions */
1042   surf_parse_reset_parser();
1043   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
1044   surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
1045   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
1046   surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
1047   surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem);
1048   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
1049   surfxml_add_callback(STag_surfxml_platform_cb_list, &init_data);
1050   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
1051   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
1052   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
1053   surfxml_add_callback(STag_surfxml_set_cb_list, &parse_sets);
1054   surfxml_add_callback(STag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_endpoints);
1055   surfxml_add_callback(ETag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_route);
1056   surfxml_add_callback(STag_surfxml_foreach_cb_list, &parse_foreach);
1057   surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_cluster);
1058   surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_trace_init);
1059   surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_trace_finalize);
1060   surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_trace_c_connect);
1061   surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
1062   surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
1063 }
1064
1065
1066 /**************************************/
1067 /********* Module  creation ***********/
1068 /**************************************/
1069
1070 static void model_init_internal(void)
1071 {
1072   s_surf_action_t action;
1073
1074   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
1075
1076   surf_workstation_model->common_private =
1077       xbt_new0(s_surf_model_private_t, 1);
1078   surf_workstation_model->common_public =
1079       xbt_new0(s_surf_model_public_t, 1);
1080   surf_workstation_model->extension_public =
1081       xbt_new0(s_surf_workstation_model_extension_public_t, 1);
1082
1083   surf_workstation_model->common_public->states.ready_action_set =
1084       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1085   surf_workstation_model->common_public->states.running_action_set =
1086       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1087   surf_workstation_model->common_public->states.failed_action_set =
1088       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1089   surf_workstation_model->common_public->states.done_action_set =
1090       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1091
1092   surf_workstation_model->common_public->name_service = name_service;
1093   surf_workstation_model->common_public->get_resource_name =
1094       get_resource_name;
1095   surf_workstation_model->common_public->action_get_state =
1096       surf_action_get_state;
1097   surf_workstation_model->common_public->action_get_start_time =
1098       surf_action_get_start_time;
1099   surf_workstation_model->common_public->action_get_finish_time =
1100       surf_action_get_finish_time;
1101   surf_workstation_model->common_public->action_use = action_use;
1102   surf_workstation_model->common_public->action_free = action_free;
1103   surf_workstation_model->common_public->action_cancel = action_cancel;
1104   surf_workstation_model->common_public->action_recycle =
1105       action_recycle;
1106   surf_workstation_model->common_public->action_change_state =
1107       surf_action_change_state;
1108   surf_workstation_model->common_public->action_set_data =
1109       surf_action_set_data;
1110   surf_workstation_model->common_public->suspend = action_suspend;
1111   surf_workstation_model->common_public->resume = action_resume;
1112   surf_workstation_model->common_public->is_suspended =
1113       action_is_suspended;
1114   surf_workstation_model->common_public->set_max_duration =
1115       action_set_max_duration;
1116   surf_workstation_model->common_public->set_priority =
1117       action_set_priority;
1118   surf_workstation_model->common_public->name = "Workstation ptask_L07";
1119
1120   surf_workstation_model->common_private->resource_used = resource_used;
1121   surf_workstation_model->common_private->share_resources =
1122       share_resources;
1123   surf_workstation_model->common_private->update_actions_state =
1124       update_actions_state;
1125   surf_workstation_model->common_private->update_resource_state =
1126       update_resource_state;
1127   surf_workstation_model->common_private->finalize = finalize;
1128
1129   surf_workstation_model->extension_public->execute = execute;
1130   surf_workstation_model->extension_public->sleep = action_sleep;
1131   surf_workstation_model->extension_public->get_state =
1132       resource_get_state;
1133   surf_workstation_model->extension_public->get_speed = get_speed;
1134   surf_workstation_model->extension_public->get_available_speed =
1135       get_available_speed;
1136   surf_workstation_model->extension_public->communicate = communicate;
1137   surf_workstation_model->extension_public->execute_parallel_task =
1138       execute_parallel_task;
1139   surf_workstation_model->extension_public->get_route = get_route;
1140   surf_workstation_model->extension_public->get_route_size =
1141       get_route_size;
1142   surf_workstation_model->extension_public->get_link_name =
1143       get_link_name;
1144   surf_workstation_model->extension_public->get_link_bandwidth =
1145       get_link_bandwidth;
1146   surf_workstation_model->extension_public->get_link_latency =
1147       get_link_latency;
1148
1149   surf_workstation_model->common_public->get_properties = get_properties;
1150
1151   workstation_set = xbt_dict_new();
1152   link_set = xbt_dict_new();
1153
1154   if (!ptask_maxmin_system)
1155     ptask_maxmin_system = lmm_system_new();
1156 }
1157
1158 /**************************************/
1159 /*************** Generic **************/
1160 /**************************************/
1161 void surf_workstation_model_init_ptask_L07(const char *filename)
1162 {
1163   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
1164   xbt_assert0(!surf_network_model,
1165               "network model type already defined");
1166   model_init_internal();
1167   define_callbacks(filename);
1168
1169   update_model_description(surf_workstation_model_description,
1170                               surf_workstation_model_description_size,
1171                               "ptask_L07",
1172                               (surf_model_t) surf_workstation_model);
1173   xbt_dynar_push(model_list, &surf_workstation_model);
1174 }