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[simgrid.git] / src / surf / surf_c_bindings.cpp
1 /* Copyright (c) 2013-2014. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #include "surf_interface.hpp"
8 #include "workstation_interface.hpp"
9 #include "vm_workstation_interface.hpp"
10 #include "network_interface.hpp"
11 #include "surf_routing_cluster.hpp"
12 #include "instr/instr_private.h"
13 #include "plugins/energy.hpp"
14
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
16
17 /*********
18  * TOOLS *
19  *********/
20
21 static CpuPtr get_casted_cpu(surf_resource_t resource){
22   return static_cast<CpuPtr>(surf_cpu_resource_priv(resource));
23 }
24
25 static WorkstationPtr get_casted_workstation(surf_resource_t resource){
26   return static_cast<WorkstationPtr>(surf_workstation_resource_priv(resource));
27 }
28
29 static RoutingEdgePtr get_casted_routing(surf_resource_t resource){
30   return static_cast<RoutingEdgePtr>(surf_routing_resource_priv(resource));
31 }
32
33 static WorkstationVMPtr get_casted_vm_workstation(surf_resource_t resource){
34   return static_cast<WorkstationVMPtr>(surf_workstation_resource_priv(resource));
35 }
36
37 char *surf_routing_edge_name(sg_routing_edge_t edge){
38   return edge->getName();
39 }
40
41 #ifdef CONTEXT_THREADS
42 //FIXME:keeporremove static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
43 #endif
44
45 extern double NOW;
46 extern double *surf_mins; /* return value of share_resources for each model */
47 extern int surf_min_index;       /* current index in surf_mins */
48 extern double surf_min;               /* duration determined by surf_solve */
49
50 void surf_presolve(void)
51 {
52   double next_event_date = -1.0;
53   tmgr_trace_event_t event = NULL;
54   double value = -1.0;
55   ResourcePtr resource = NULL;
56   ModelPtr model = NULL;
57   unsigned int iter;
58
59   XBT_DEBUG
60       ("First Run! Let's \"purge\" events and put models in the right state");
61   while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
62     if (next_event_date > NOW)
63       break;
64     while ((event =
65             tmgr_history_get_next_event_leq(history, next_event_date,
66                                             &value,
67                                             (void **) &resource))) {
68       if (value >= 0){
69         resource->updateState(event, value, NOW);
70       }
71     }
72   }
73   xbt_dynar_foreach(model_list, iter, model)
74       model->updateActionsState(NOW, 0.0);
75 }
76
77 static void surf_share_resources(surf_model_t model)
78 {
79   double next_action_end = -1.0;
80   int i = __sync_fetch_and_add(&surf_min_index, 1);
81   if (strcmp(model->getName(), "network NS3")) {
82     XBT_DEBUG("Running for Resource [%s]", model->getName());
83     next_action_end = model->shareResources(NOW);
84     XBT_DEBUG("Resource [%s] : next action end = %f",
85         model->getName(), next_action_end);
86   }
87   surf_mins[i] = next_action_end;
88 }
89
90 static void surf_update_actions_state(surf_model_t model)
91 {
92   model->updateActionsState(NOW, surf_min);
93 }
94
95 double surf_solve(double max_date)
96 {
97   surf_min = -1.0; /* duration */
98   double next_event_date = -1.0;
99   double model_next_action_end = -1.0;
100   double value = -1.0;
101   ResourcePtr resource = NULL;
102   ModelPtr model = NULL;
103   tmgr_trace_event_t event = NULL;
104   unsigned int iter;
105
106   if(!host_that_restart)
107     host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
108
109   if (max_date != -1.0 && max_date != NOW) {
110     surf_min = max_date - NOW;
111   }
112
113   XBT_DEBUG("Looking for next action end for all models except NS3");
114
115   if (surf_mins == NULL) {
116     surf_mins = xbt_new(double, xbt_dynar_length(model_list_invoke));
117   }
118   surf_min_index = 0;
119
120   /* sequential version */
121   xbt_dynar_foreach(model_list_invoke, iter, model) {
122     surf_share_resources(static_cast<ModelPtr>(model));
123   }
124
125   unsigned i;
126   for (i = 0; i < xbt_dynar_length(model_list_invoke); i++) {
127     if ((surf_min < 0.0 || surf_mins[i] < surf_min)
128         && surf_mins[i] >= 0.0) {
129       surf_min = surf_mins[i];
130     }
131   }
132
133   XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
134
135   XBT_DEBUG("Looking for next trace event");
136
137   do {
138     XBT_DEBUG("Next TRACE event : %f", next_event_date);
139
140     next_event_date = tmgr_history_next_date(history);
141
142     if(!strcmp(surf_network_model->getName(), "network NS3")){
143       if(next_event_date!=-1.0 && surf_min!=-1.0) {
144         surf_min = MIN(next_event_date - NOW, surf_min);
145       } else{
146         surf_min = MAX(next_event_date - NOW, surf_min);
147       }
148
149       XBT_DEBUG("Run for network at most %f", surf_min);
150       // run until min or next flow
151       model_next_action_end = surf_network_model->shareResources(surf_min);
152
153       XBT_DEBUG("Min for network : %f", model_next_action_end);
154       if(model_next_action_end>=0.0)
155         surf_min = model_next_action_end;
156     }
157
158     if (next_event_date < 0.0) {
159       XBT_DEBUG("no next TRACE event. Stop searching for it");
160       break;
161     }
162
163     if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
164
165     XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
166     while ((event =
167             tmgr_history_get_next_event_leq(history, next_event_date,
168                                             &value,
169                                             (void **) &resource))) {
170       if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
171         surf_min = next_event_date - NOW;
172         XBT_DEBUG
173             ("This event will modify model state. Next event set to %f",
174              surf_min);
175       }
176       /* update state of model_obj according to new value. Does not touch lmm.
177          It will be modified if needed when updating actions */
178       XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
179              resource->getName(), surf_min);
180       resource->updateState(event, value, next_event_date);
181     }
182   } while (1);
183
184   /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
185    * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
186    * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
187   if (surf_min == -1.0) {
188   XBT_DEBUG("No next event at all. Bail out now.");
189     return -1.0;
190   }
191
192   XBT_DEBUG("Duration set to %f", surf_min);
193
194   NOW = NOW + surf_min;
195   /* FIXME: model_list or model_list_invoke? revisit here later */
196   /* sequential version */
197   xbt_dynar_foreach(model_list, iter, model) {
198     surf_update_actions_state(model);
199   }
200
201   TRACE_paje_dump_buffer (0);
202
203   return surf_min;
204 }
205
206 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
207                               xbt_dynar_t * route, double *latency){
208   routing_platf->getRouteAndLatency(src, dst, route, latency);
209 }
210
211 /*********
212  * MODEL *
213  *********/
214
215 surf_model_t surf_resource_model(const void *host, int level) {
216   /* If level is SURF_WKS_LEVEL, ws is a workstation_CLM03 object. It has
217    * surf_resource at the generic_resource field. */
218   ResourcePtr ws = static_cast<ResourcePtr>(xbt_lib_get_level((xbt_dictelm_t) host, level));
219   return ws->getModel();
220 }
221
222 void *surf_as_cluster_get_backbone(AS_t as){
223   return static_cast<AsClusterPtr>(as)->p_backbone;
224 }
225
226 void surf_as_cluster_set_backbone(AS_t as, void* backbone){
227   static_cast<AsClusterPtr>(as)->p_backbone = static_cast<NetworkLinkPtr>(backbone);
228 }
229
230 const char *surf_model_name(surf_model_t model){
231   return model->getName();
232 }
233
234 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
235   if (model->getDoneActionSet()->empty())
236         return NULL;
237   surf_action_t res = &model->getDoneActionSet()->front();
238   model->getDoneActionSet()->pop_front();
239   return res;
240 }
241
242 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
243   if (model->getFailedActionSet()->empty())
244         return NULL;
245   surf_action_t res = &model->getFailedActionSet()->front();
246   model->getFailedActionSet()->pop_front();
247   return res;
248 }
249
250 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
251   if (model->getReadyActionSet()->empty())
252         return NULL;
253   surf_action_t res = &model->getReadyActionSet()->front();
254   model->getReadyActionSet()->pop_front();
255   return res;
256 }
257
258 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
259   if (model->getRunningActionSet()->empty())
260         return NULL;
261   surf_action_t res = &model->getRunningActionSet()->front();
262   model->getRunningActionSet()->pop_front();
263   return res;
264 }
265
266 int surf_model_running_action_set_size(surf_model_t model){
267   return model->getRunningActionSet()->size();
268 }
269
270 surf_action_t surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
271                                                     int workstation_nb,
272                                             void **workstation_list,
273                                             double *flops_amount,
274                                             double *bytes_amount,
275                                             double rate){
276   return static_cast<ActionPtr>(model->executeParallelTask(workstation_nb, workstation_list, flops_amount, bytes_amount, rate));
277 }
278
279 surf_action_t surf_workstation_model_communicate(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate){
280   return model->communicate(get_casted_workstation(src), get_casted_workstation(dst), size, rate);
281 }
282
283 xbt_dynar_t surf_workstation_model_get_route(surf_workstation_model_t /*model*/,
284                                              surf_resource_t src, surf_resource_t dst){
285   xbt_dynar_t route = NULL;
286   routing_platf->getRouteAndLatency(get_casted_workstation(src)->p_netElm,
287                                             get_casted_workstation(dst)->p_netElm, &route, NULL);
288   return route;
289 }
290
291 void surf_vm_workstation_model_create(const char *name, surf_resource_t ind_phys_host){
292   surf_vm_workstation_model->createWorkstationVM(name, ind_phys_host);
293 }
294
295 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_routing_edge_t src, sg_routing_edge_t dst, double size, double rate){
296   return model->communicate(src, dst, size, rate);
297 }
298
299 const char *surf_resource_name(surf_cpp_resource_t resource){
300   return resource->getName();
301 }
302
303 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource){
304   return resource->getProperties();
305 }
306
307 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
308   return resource->getState();
309 }
310
311 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
312   resource->setState(state);
313 }
314
315 surf_action_t surf_workstation_sleep(surf_resource_t resource, double duration){
316   return get_casted_workstation(resource)->sleep(duration);
317 }
318
319 double surf_workstation_get_speed(surf_resource_t resource, double load){
320   return get_casted_workstation(resource)->getSpeed(load);
321 }
322
323 double surf_workstation_get_available_speed(surf_resource_t resource){
324   return get_casted_workstation(resource)->getAvailableSpeed();
325 }
326
327 int surf_workstation_get_core(surf_resource_t resource){
328   return get_casted_workstation(resource)->getCore();
329 }
330
331 surf_action_t surf_workstation_execute(surf_resource_t resource, double size){
332   return get_casted_workstation(resource)->execute(size);
333 }
334
335 double surf_workstation_get_current_power_peak(surf_resource_t resource){
336   return get_casted_workstation(resource)->getCurrentPowerPeak();
337 }
338
339 double surf_workstation_get_power_peak_at(surf_resource_t resource, int pstate_index){
340   return get_casted_workstation(resource)->getPowerPeakAt(pstate_index);
341 }
342
343 int surf_workstation_get_nb_pstates(surf_resource_t resource){
344   return get_casted_workstation(resource)->getNbPstates();
345 }
346
347 void surf_workstation_set_power_peak_at(surf_resource_t resource, int pstate_index){
348   return get_casted_workstation(resource)->setPowerPeakAt(pstate_index);
349 }
350
351 double surf_workstation_get_consumed_energy(surf_resource_t resource){
352   xbt_assert(surf_energy!=NULL, "The Energy plugin is not active.");
353   std::map<CpuPtr, CpuEnergyPtr>::iterator cpuIt = surf_energy->find(get_casted_workstation(resource)->p_cpu);
354   return cpuIt->second->getConsumedEnergy();
355 }
356
357 xbt_dict_t surf_workstation_get_mounted_storage_list(surf_resource_t workstation){
358   return get_casted_workstation(workstation)->getMountedStorageList();
359 }
360
361 xbt_dynar_t surf_workstation_get_attached_storage_list(surf_resource_t workstation){
362   return get_casted_workstation(workstation)->getAttachedStorageList();
363 }
364
365 surf_action_t surf_workstation_open(surf_resource_t workstation, const char* fullpath){
366   return get_casted_workstation(workstation)->open(fullpath);
367 }
368
369 surf_action_t surf_workstation_close(surf_resource_t workstation, surf_file_t fd){
370   return get_casted_workstation(workstation)->close(fd);
371 }
372
373 int surf_workstation_unlink(surf_resource_t workstation, surf_file_t fd){
374   return get_casted_workstation(workstation)->unlink(fd);
375 }
376
377 size_t surf_workstation_get_size(surf_resource_t workstation, surf_file_t fd){
378   return get_casted_workstation(workstation)->getSize(fd);
379 }
380
381 surf_action_t surf_workstation_read(surf_resource_t resource, surf_file_t fd, sg_size_t size){
382   return get_casted_workstation(resource)->read(fd, size);
383 }
384
385 surf_action_t surf_workstation_write(surf_resource_t resource, surf_file_t fd, sg_size_t size){
386   return get_casted_workstation(resource)->write(fd, size);
387 }
388
389 xbt_dynar_t surf_workstation_get_info(surf_resource_t resource, surf_file_t fd){
390   return get_casted_workstation(resource)->getInfo(fd);
391 }
392
393 size_t surf_workstation_file_tell(surf_resource_t workstation, surf_file_t fd){
394   return get_casted_workstation(workstation)->fileTell(fd);
395 }
396
397 int surf_workstation_file_seek(surf_resource_t workstation, surf_file_t fd,
398                                sg_offset_t offset, int origin){
399   return get_casted_workstation(workstation)->fileSeek(fd, offset, origin);
400 }
401
402 int surf_workstation_file_move(surf_resource_t workstation, surf_file_t fd, const char* fullpath){
403   return get_casted_workstation(workstation)->fileMove(fd, fullpath);
404 }
405
406 xbt_dynar_t surf_workstation_get_vms(surf_resource_t resource){
407   xbt_dynar_t vms = get_casted_workstation(resource)->getVms();
408   xbt_dynar_t vms_ = xbt_dynar_new(sizeof(smx_host_t), NULL);
409   unsigned int cpt;
410   WorkstationVMPtr vm;
411   xbt_dynar_foreach(vms, cpt, vm) {
412     smx_host_t vm_ = xbt_lib_get_elm_or_null(host_lib, vm->getName());
413     xbt_dynar_push(vms_, &vm_);
414   }
415   xbt_dynar_free(&vms);
416   return vms_;
417 }
418
419 void surf_workstation_get_params(surf_resource_t resource, ws_params_t params){
420   get_casted_workstation(resource)->getParams(params);
421 }
422
423 void surf_workstation_set_params(surf_resource_t resource, ws_params_t params){
424   get_casted_workstation(resource)->setParams(params);
425 }
426
427 void surf_vm_workstation_destroy(surf_resource_t resource){
428   /* ind_phys_workstation equals to smx_host_t */
429   //surf_resource_t ind_vm_workstation = xbt_lib_get_elm_or_null(host_lib, getName());
430
431   /* Before clearing the entries in host_lib, we have to pick up resources. */
432   CpuPtr cpu = get_casted_cpu(resource);
433   WorkstationVMPtr vm = get_casted_vm_workstation(resource);
434   RoutingEdgePtr routing = get_casted_routing(resource);
435   char* name = xbt_dict_get_elm_key(resource);
436   /* We deregister objects from host_lib, without invoking the freeing callback
437    * of each level.
438    *
439    * Do not call xbt_lib_remove() here. It deletes all levels of the key,
440    * including MSG_HOST_LEVEL and others. We should unregister only what we know.
441    */
442   xbt_lib_unset(host_lib, name, SURF_CPU_LEVEL, 0);
443   xbt_lib_unset(host_lib, name, ROUTING_HOST_LEVEL, 0);
444   xbt_lib_unset(host_lib, name, SURF_WKS_LEVEL, 0);
445
446   /* TODO: comment out when VM storage is implemented. */
447   // xbt_lib_unset(host_lib, name, SURF_STORAGE_LEVEL, 0);
448
449   delete cpu;
450   delete vm;
451   delete routing;
452 }
453
454 void surf_vm_workstation_suspend(surf_resource_t resource){
455   get_casted_vm_workstation(resource)->suspend();
456 }
457
458 void surf_vm_workstation_resume(surf_resource_t resource){
459   get_casted_vm_workstation(resource)->resume();
460 }
461
462 void surf_vm_workstation_save(surf_resource_t resource){
463   get_casted_vm_workstation(resource)->save();
464 }
465
466 void surf_vm_workstation_restore(surf_resource_t resource){
467   get_casted_vm_workstation(resource)->restore();
468 }
469
470 void surf_vm_workstation_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest){
471   get_casted_vm_workstation(resource)->migrate(ind_vm_ws_dest);
472 }
473
474 surf_resource_t surf_vm_workstation_get_pm(surf_resource_t resource){
475   return get_casted_vm_workstation(resource)->getPm();
476 }
477
478 void surf_vm_workstation_set_bound(surf_resource_t resource, double bound){
479   return get_casted_vm_workstation(resource)->setBound(bound);
480 }
481
482 void surf_vm_workstation_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask){
483   return get_casted_vm_workstation(resource)->setAffinity(get_casted_cpu(cpu), mask);
484 }
485
486 int surf_network_link_is_shared(surf_cpp_resource_t link){
487   return static_cast<NetworkLinkPtr>(link)->isShared();
488 }
489
490 double surf_network_link_get_bandwidth(surf_cpp_resource_t link){
491   return static_cast<NetworkLinkPtr>(link)->getBandwidth();
492 }
493
494 double surf_network_link_get_latency(surf_cpp_resource_t link){
495   return static_cast<NetworkLinkPtr>(link)->getLatency();
496 }
497
498 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
499   return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getContent();
500 }
501
502 sg_size_t surf_storage_get_size(surf_resource_t resource){
503   return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getSize();
504 }
505
506 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
507   return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getFreeSize();
508 }
509
510 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
511   return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getUsedSize();
512 }
513
514 const char* surf_storage_get_host(surf_resource_t resource){
515   return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->p_attach;
516 }
517
518 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size){
519   return get_casted_cpu(cpu)->execute(size);
520 }
521
522 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration){
523   return get_casted_cpu(cpu)->sleep(duration);
524 }
525
526 double surf_action_get_start_time(surf_action_t action){
527   return action->getStartTime();
528 }
529
530 double surf_action_get_finish_time(surf_action_t action){
531   return action->getFinishTime();
532 }
533
534 double surf_action_get_remains(surf_action_t action){
535   return action->getRemains();
536 }
537
538 void surf_action_unref(surf_action_t action){
539   action->unref();
540 }
541
542 void surf_action_suspend(surf_action_t action){
543   action->suspend();
544 }
545
546 void surf_action_resume(surf_action_t action){
547   action->resume();
548 }
549
550 void surf_action_cancel(surf_action_t action){
551   action->cancel();
552 }
553
554 void surf_action_set_priority(surf_action_t action, double priority){
555   action->setPriority(priority);
556 }
557
558 void surf_action_set_category(surf_action_t action, const char *category){
559   action->setCategory(category);
560 }
561
562 void *surf_action_get_data(surf_action_t action){
563   return action->getData();
564 }
565
566 void surf_action_set_data(surf_action_t action, void *data){
567   action->setData(data);
568 }
569
570 e_surf_action_state_t surf_action_get_state(surf_action_t action){
571   return action->getState();
572 }
573
574 double surf_action_get_cost(surf_action_t action){
575   return action->getCost();
576 }
577
578 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask) {
579   static_cast<CpuActionPtr>(action)->setAffinity(get_casted_cpu(cpu), mask);
580 }
581
582 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
583   static_cast<CpuActionPtr>(action)->setBound(bound);
584 }
585
586 #ifdef HAVE_LATENCY_BOUND_TRACKING
587 double surf_network_action_get_latency_limited(surf_action_t action) {
588   return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
589 }
590 #endif
591
592 surf_file_t surf_storage_action_get_file(surf_action_t action){
593   return static_cast<StorageActionPtr>(action)->p_file;
594 }