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sg_functions should be wrapping the C++ public API, not internals
[simgrid.git] / src / surf / surf_c_bindings.cpp
1 /* Copyright (c) 2013-2015. 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 "host_interface.hpp"
8 #include "surf_interface.hpp"
9 #include "network_interface.hpp"
10 #include "surf_routing_cluster.hpp"
11 #include "src/instr/instr_private.h"
12 #include "plugins/energy.hpp"
13 #include "virtual_machine.hpp"
14
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
16
17 /*********
18  * TOOLS *
19  *********/
20
21 static simgrid::surf::Host *get_casted_host(sg_host_t host){ //FIXME: killme
22   return host->extension<simgrid::surf::Host>();
23 }
24
25 static simgrid::surf::VirtualMachine *get_casted_vm(sg_host_t host){
26   return static_cast<simgrid::surf::VirtualMachine*>(host->extension<simgrid::surf::Host>());
27 }
28
29 extern double NOW;
30
31 void surf_presolve(void)
32 {
33   double next_event_date = -1.0;
34   tmgr_trace_event_t event = NULL;
35   double value = -1.0;
36   simgrid::surf::Resource *resource = NULL;
37   simgrid::surf::Model *model = NULL;
38   unsigned int iter;
39
40   XBT_DEBUG ("Consume all trace events occurring before the starting time.");
41   while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
42     if (next_event_date > NOW)
43       break;
44     while ((event =
45             tmgr_history_get_next_event_leq(history, next_event_date,
46                                             &value,
47                                             (void **) &resource))) {
48       if (value >= 0){
49         resource->updateState(event, value, NOW);
50       }
51     }
52   }
53
54   XBT_DEBUG ("Set every models in the right state by updating them to 0.");
55   xbt_dynar_foreach(all_existing_models, iter, model)
56       model->updateActionsState(NOW, 0.0);
57 }
58
59 double surf_solve(double max_date)
60 {
61   double surf_min = -1.0; /* duration */
62   double next_event_date = -1.0;
63   double model_next_action_end = -1.0;
64   double value = -1.0;
65   simgrid::surf::Resource *resource = NULL;
66   simgrid::surf::Model *model = NULL;
67   tmgr_trace_event_t event = NULL;
68   unsigned int iter;
69
70   if(!host_that_restart)
71     host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
72
73   if (max_date != -1.0 && max_date != NOW) {
74     surf_min = max_date - NOW;
75   }
76
77   /* Physical models MUST be resolved first */
78   XBT_DEBUG("Looking for next event in physical models");
79   double next_event_phy = surf_host_model->shareResources(NOW);
80   if ((surf_min < 0.0 || next_event_phy < surf_min) && next_event_phy >= 0.0) {
81           surf_min = next_event_phy;
82   }
83   if (surf_vm_model != NULL) {
84           XBT_DEBUG("Looking for next event in virtual models");
85           double next_event_virt = surf_vm_model->shareResources(NOW);
86           if ((surf_min < 0.0 || next_event_virt < surf_min) && next_event_virt >= 0.0)
87                   surf_min = next_event_virt;
88   }
89
90   XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
91
92   XBT_DEBUG("Looking for next trace event");
93
94   do {
95     XBT_DEBUG("Next TRACE event : %f", next_event_date);
96
97     next_event_date = tmgr_history_next_date(history);
98
99     if(! surf_network_model->shareResourcesIsIdempotent()){ // NS3, I see you
100       if(next_event_date!=-1.0 && surf_min!=-1.0) {
101         surf_min = MIN(next_event_date - NOW, surf_min);
102       } else{
103         surf_min = MAX(next_event_date - NOW, surf_min);
104       }
105
106       XBT_DEBUG("Run for network at most %f", surf_min);
107       // run until min or next flow
108       model_next_action_end = surf_network_model->shareResources(surf_min);
109
110       XBT_DEBUG("Min for network : %f", model_next_action_end);
111       if(model_next_action_end>=0.0)
112         surf_min = model_next_action_end;
113     }
114
115     if (next_event_date < 0.0) {
116       XBT_DEBUG("no next TRACE event. Stop searching for it");
117       break;
118     }
119
120     if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
121
122     XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
123     while ((event =
124             tmgr_history_get_next_event_leq(history, next_event_date,
125                                             &value,
126                                             (void **) &resource))) {
127       if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
128         surf_min = next_event_date - NOW;
129         XBT_DEBUG
130             ("This event will modify model state. Next event set to %f",
131              surf_min);
132       }
133       /* update state of model_obj according to new value. Does not touch lmm.
134          It will be modified if needed when updating actions */
135       XBT_DEBUG("Calling update_resource_state for resource %s with min %f",
136              resource->getName(), surf_min);
137       resource->updateState(event, value, next_event_date);
138     }
139   } while (1);
140
141   /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
142    * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
143    * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
144   if (surf_min == -1.0) {
145   XBT_DEBUG("No next event at all. Bail out now.");
146     return -1.0;
147   }
148
149   XBT_DEBUG("Duration set to %f", surf_min);
150
151   NOW = NOW + surf_min;
152   /* FIXME: model_list or model_list_invoke? revisit here later */
153   /* sequential version */
154   xbt_dynar_foreach(all_existing_models, iter, model) {
155           model->updateActionsState(NOW, surf_min);
156   }
157
158   TRACE_paje_dump_buffer (0);
159
160   return surf_min;
161 }
162
163 void routing_get_route_and_latency(sg_netcard_t src, sg_netcard_t dst,
164                               xbt_dynar_t * route, double *latency){
165   routing_platf->getRouteAndLatency(src, dst, route, latency);
166 }
167
168 /*********
169  * MODEL *
170  *********/
171
172 surf_host_model_t surf_host_get_model(sg_host_t host)
173 {
174   simgrid::surf::Host* surf_host =
175     (simgrid::surf::Host*) host->extension<simgrid::surf::Host>();
176   return (surf_host_model_t) surf_host->getModel();
177 }
178
179 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
180   if (model->getDoneActionSet()->empty())
181         return NULL;
182   surf_action_t res = &model->getDoneActionSet()->front();
183   model->getDoneActionSet()->pop_front();
184   return res;
185 }
186
187 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
188   if (model->getFailedActionSet()->empty())
189         return NULL;
190   surf_action_t res = &model->getFailedActionSet()->front();
191   model->getFailedActionSet()->pop_front();
192   return res;
193 }
194
195 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
196   if (model->getReadyActionSet()->empty())
197         return NULL;
198   surf_action_t res = &model->getReadyActionSet()->front();
199   model->getReadyActionSet()->pop_front();
200   return res;
201 }
202
203 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
204   if (model->getRunningActionSet()->empty())
205         return NULL;
206   surf_action_t res = &model->getRunningActionSet()->front();
207   model->getRunningActionSet()->pop_front();
208   return res;
209 }
210
211 int surf_model_running_action_set_size(surf_model_t model){
212   return model->getRunningActionSet()->size();
213 }
214
215 surf_action_t surf_host_model_execute_parallel_task(surf_host_model_t model,
216                                                     int host_nb,
217                                             sg_host_t *host_list,
218                                             double *flops_amount,
219                                             double *bytes_amount,
220                                             double rate){
221   return static_cast<simgrid::surf::Action*>(
222     model->executeParallelTask(host_nb, host_list, flops_amount, bytes_amount, rate));
223 }
224
225 xbt_dynar_t surf_host_model_get_route(surf_host_model_t /*model*/,
226                                              sg_host_t src, sg_host_t dst){
227   xbt_dynar_t route = NULL;
228   routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, &route, NULL);
229   return route;
230 }
231
232 void surf_vm_model_create(const char *name, sg_host_t ind_phys_host){
233   surf_vm_model->createVM(name, ind_phys_host);
234 }
235
236 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_host_t src, sg_host_t dst, double size, double rate){
237   return model->communicate(src->pimpl_netcard, dst->pimpl_netcard, size, rate);
238 }
239
240 const char *surf_resource_name(surf_cpp_resource_t resource){
241   return resource->getName();
242 }
243
244 surf_action_t surf_host_sleep(sg_host_t host, double duration){
245         return host->pimpl_cpu->sleep(duration);
246 }
247
248
249 double surf_host_get_available_speed(sg_host_t host){
250   return host->pimpl_cpu->getAvailableSpeed();
251 }
252
253 double surf_host_get_current_power_peak(sg_host_t host){
254   return host->pimpl_cpu->getCurrentPowerPeak();
255 }
256
257 double surf_host_get_power_peak_at(sg_host_t host, int pstate_index){
258   return host->pimpl_cpu->getPowerPeakAt(pstate_index);
259 }
260
261
262 xbt_dict_t surf_host_get_mounted_storage_list(sg_host_t host){
263   return get_casted_host(host)->getMountedStorageList();
264 }
265
266 xbt_dynar_t surf_host_get_attached_storage_list(sg_host_t host){
267   return get_casted_host(host)->getAttachedStorageList();
268 }
269
270 surf_action_t surf_host_open(sg_host_t host, const char* fullpath){
271   return get_casted_host(host)->open(fullpath);
272 }
273
274 surf_action_t surf_host_close(sg_host_t host, surf_file_t fd){
275   return get_casted_host(host)->close(fd);
276 }
277
278 int surf_host_unlink(sg_host_t host, surf_file_t fd){
279   return get_casted_host(host)->unlink(fd);
280 }
281
282 size_t surf_host_get_size(sg_host_t host, surf_file_t fd){
283   return get_casted_host(host)->getSize(fd);
284 }
285
286 surf_action_t surf_host_read(sg_host_t host, surf_file_t fd, sg_size_t size){
287   return get_casted_host(host)->read(fd, size);
288 }
289
290 surf_action_t surf_host_write(sg_host_t host, surf_file_t fd, sg_size_t size){
291   return get_casted_host(host)->write(fd, size);
292 }
293
294 xbt_dynar_t surf_host_get_info(sg_host_t host, surf_file_t fd){
295   return get_casted_host(host)->getInfo(fd);
296 }
297
298 size_t surf_host_file_tell(sg_host_t host, surf_file_t fd){
299   return get_casted_host(host)->fileTell(fd);
300 }
301
302 int surf_host_file_seek(sg_host_t host, surf_file_t fd,
303                                sg_offset_t offset, int origin){
304   return get_casted_host(host)->fileSeek(fd, offset, origin);
305 }
306
307 int surf_host_file_move(sg_host_t host, surf_file_t fd, const char* fullpath){
308   return get_casted_host(host)->fileMove(fd, fullpath);
309 }
310
311 xbt_dynar_t surf_host_get_vms(sg_host_t host){
312   xbt_dynar_t vms = get_casted_host(host)->getVms();
313   xbt_dynar_t vms_ = xbt_dynar_new(sizeof(sg_host_t), NULL);
314   unsigned int cpt;
315   simgrid::surf::VirtualMachine *vm;
316   xbt_dynar_foreach(vms, cpt, vm) {
317     // TODO, use a backlink from simgrid::surf::Host to simgrid::Host 
318     sg_host_t vm_ = (sg_host_t) xbt_dict_get_elm_or_null(host_list, vm->getName());
319     xbt_dynar_push(vms_, &vm_);
320   }
321   xbt_dynar_free(&vms);
322   return vms_;
323 }
324
325 void surf_host_get_params(sg_host_t host, vm_params_t params){
326   get_casted_host(host)->getParams(params);
327 }
328
329 void surf_host_set_params(sg_host_t host, vm_params_t params){
330   get_casted_host(host)->setParams(params);
331 }
332
333 void surf_vm_destroy(sg_host_t vm){ // FIXME:DEADCODE
334   vm->pimpl_cpu = nullptr;
335   vm->pimpl_netcard = nullptr;
336 }
337
338 void surf_vm_suspend(sg_host_t vm){
339   get_casted_vm(vm)->suspend();
340 }
341
342 void surf_vm_resume(sg_host_t vm){
343   get_casted_vm(vm)->resume();
344 }
345
346 void surf_vm_save(sg_host_t vm){
347   get_casted_vm(vm)->save();
348 }
349
350 void surf_vm_restore(sg_host_t vm){
351   get_casted_vm(vm)->restore();
352 }
353
354 void surf_vm_migrate(sg_host_t vm, sg_host_t ind_vm_ws_dest){
355   get_casted_vm(vm)->migrate(ind_vm_ws_dest);
356 }
357
358 sg_host_t surf_vm_get_pm(sg_host_t vm){
359   return get_casted_vm(vm)->getPm();
360 }
361
362 void surf_vm_set_bound(sg_host_t vm, double bound){
363   return get_casted_vm(vm)->setBound(bound);
364 }
365
366 void surf_vm_set_affinity(sg_host_t vm, sg_host_t host, unsigned long mask){
367   return get_casted_vm(vm)->setAffinity(host->pimpl_cpu, mask);
368 }
369
370 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
371   return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getContent();
372 }
373
374 sg_size_t surf_storage_get_size(surf_resource_t resource){
375   return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getSize();
376 }
377
378 sg_size_t surf_storage_get_free_size(surf_resource_t resource){
379   return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getFreeSize();
380 }
381
382 sg_size_t surf_storage_get_used_size(surf_resource_t resource){
383   return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getUsedSize();
384 }
385
386 xbt_dict_t surf_storage_get_properties(surf_resource_t resource){
387   return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->getProperties();
388 }
389
390 const char* surf_storage_get_host(surf_resource_t resource){
391   return static_cast<simgrid::surf::Storage*>(surf_storage_resource_priv(resource))->p_attach;
392 }
393
394 double surf_action_get_start_time(surf_action_t action){
395   return action->getStartTime();
396 }
397
398 double surf_action_get_finish_time(surf_action_t action){
399   return action->getFinishTime();
400 }
401
402 double surf_action_get_remains(surf_action_t action){
403   return action->getRemains();
404 }
405
406 void surf_action_suspend(surf_action_t action){
407   action->suspend();
408 }
409
410 void surf_action_resume(surf_action_t action){
411   action->resume();
412 }
413
414 void surf_action_cancel(surf_action_t action){
415   action->cancel();
416 }
417
418 void surf_action_set_priority(surf_action_t action, double priority){
419   action->setPriority(priority);
420 }
421
422 void surf_action_set_category(surf_action_t action, const char *category){
423   action->setCategory(category);
424 }
425
426 void *surf_action_get_data(surf_action_t action){
427   return action->getData();
428 }
429
430 void surf_action_set_data(surf_action_t action, void *data){
431   action->setData(data);
432 }
433
434 e_surf_action_state_t surf_action_get_state(surf_action_t action){
435   return action->getState();
436 }
437
438 double surf_action_get_cost(surf_action_t action){
439   return action->getCost();
440 }
441
442 void surf_cpu_action_set_affinity(surf_action_t action, sg_host_t host, unsigned long mask) {
443   static_cast<simgrid::surf::CpuAction*>(action)->setAffinity(host->pimpl_cpu, mask);
444 }
445
446 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
447   static_cast<simgrid::surf::CpuAction*>(action)->setBound(bound);
448 }
449
450 #ifdef HAVE_LATENCY_BOUND_TRACKING
451 double surf_network_action_get_latency_limited(surf_action_t action) {
452   return static_cast<NetworkActionPtr>(action)->getLatencyLimited();
453 }
454 #endif
455
456 surf_file_t surf_storage_action_get_file(surf_action_t action){
457   return static_cast<simgrid::surf::StorageAction*>(action)->p_file;
458 }
459
460 surf_host_t surf_host_resource_priv(sg_host_t host) {
461   return host->extension<simgrid::surf::Host>();
462 }