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[s4u] Add missing include
[simgrid.git] / src / surf / sg_platf.cpp
1 /* Copyright (c) 2006-2014. 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 "xbt/misc.h"
8 #include "xbt/log.h"
9 #include "xbt/str.h"
10 #include "xbt/dict.h"
11 #include "xbt/RngStream.h"
12 #include <xbt/functional.hpp>
13 #include <xbt/signal.hpp>
14 #include "src/surf/HostImpl.hpp"
15 #include "surf/surf.h"
16
17 #include "src/simix/smx_private.h"
18
19 #include "src/include/simgrid/sg_config.h"
20 #include "src/surf/xml/platf_private.hpp"
21
22 #include "src/surf/cpu_interface.hpp"
23 #include "src/surf/network_interface.hpp"
24 #include "surf/surf_routing.h" // FIXME: brain dead public header
25
26 #include "src/surf/AsImpl.hpp"
27 #include "src/surf/AsCluster.hpp"
28 #include "src/surf/AsClusterTorus.hpp"
29 #include "src/surf/AsClusterFatTree.hpp"
30 #include "src/surf/AsDijkstra.hpp"
31 #include "src/surf/AsFloyd.hpp"
32 #include "src/surf/AsFull.hpp"
33 #include "src/surf/AsNone.hpp"
34 #include "src/surf/AsVivaldi.hpp"
35
36 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
37
38 XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
39
40 namespace simgrid {
41 namespace surf {
42
43 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
44 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
45 simgrid::xbt::signal<void(void)> on_postparse;
46
47 }
48 }
49
50 static int surf_parse_models_setup_already_called = 0;
51
52 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
53 static std::vector<int> *explodesRadical(const char*radicals){
54   std::vector<int> *exploded = new std::vector<int>();
55   char *groups;
56   unsigned int iter;
57
58   //Make all hosts
59   xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
60   xbt_dynar_foreach(radical_elements, iter, groups) {
61
62     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
63     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
64     int end=0;
65
66     switch (xbt_dynar_length(radical_ends)) {
67     case 1:
68       end = start;
69       break;
70     case 2:
71       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
72       break;
73     default:
74       surf_parse_error("Malformed radical: %s", groups);
75       break;
76     }
77
78     for (int i = start; i <= end; i++)
79       exploded->push_back( i );
80
81     xbt_dynar_free(&radical_ends);
82   }
83   xbt_dynar_free(&radical_elements);
84
85   return exploded;
86 }
87
88
89 /** The current AS in the parsing */
90 static simgrid::surf::AsImpl *current_routing = nullptr;
91 static simgrid::surf::AsImpl* routing_get_current()
92 {
93   return current_routing;
94 }
95
96 /** Module management function: creates all internal data structures */
97 void sg_platf_init(void) {
98 }
99
100 /** Module management function: frees all internal data structures */
101 void sg_platf_exit(void) {
102   simgrid::surf::on_link.disconnect_all_slots();
103   simgrid::surf::on_cluster.disconnect_all_slots();
104   simgrid::surf::on_postparse.disconnect_all_slots();
105
106   /* make sure that we will reinit the models while loading the platf once reinited */
107   surf_parse_models_setup_already_called = 0;
108   surf_parse_lex_destroy();
109 }
110
111 /** @brief Add an "host" to the current AS */
112 void sg_platf_new_host(sg_platf_host_cbarg_t host)
113 {
114   xbt_assert(sg_host_by_name(host->id) == nullptr, "Refusing to create a second host named '%s'.", host->id);
115
116   simgrid::surf::AsImpl* current_routing = routing_get_current();
117   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
118     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
119
120   simgrid::surf::NetCard *netcard =
121       new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
122
123   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
124   h->pimpl_netcard = netcard;
125
126   if(mount_list) {
127     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
128     mount_list = nullptr;
129   }
130
131   if (host->coord && strcmp(host->coord, "")) {
132     unsigned int cursor;
133     char*str;
134
135     xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
136     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
137     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
138     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
139
140     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
141     xbt_dynar_foreach(ctn_str,cursor, str) {
142       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
143       xbt_dynar_push(ctn,&val);
144     }
145     xbt_dynar_free(&ctn_str);
146     xbt_dynar_shrink(ctn, 0);
147     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
148   }
149
150   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
151   if (host->state_trace)
152     cpu->setStateTrace(host->state_trace);
153   if (host->speed_trace)
154     cpu->setSpeedTrace(host->speed_trace);
155   surf_host_model->createHost(host->id, netcard, cpu)->attach(h);
156
157   if (host->properties) {
158     xbt_dict_cursor_t cursor=nullptr;
159     char *key,*data;
160     xbt_dict_foreach(host->properties,cursor,key,data)
161       h->setProperty(key,data);
162     xbt_dict_free(&host->properties);
163   }
164
165   if (host->pstate != 0)
166     cpu->setPState(host->pstate);
167
168   simgrid::s4u::Host::onCreation(*h);
169
170   if (TRACE_is_enabled() && TRACE_needs_platform())
171     sg_instr_new_host(host);
172 }
173
174 /** @brief Add a "router" to the network element list */
175 void sg_platf_new_router(sg_platf_router_cbarg_t router)
176 {
177   simgrid::surf::AsImpl* current_routing = routing_get_current();
178
179   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
180     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
181   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
182              "Refusing to create a router named '%s': this name already describes a node.", router->id);
183
184   simgrid::surf::NetCard* netcard =
185     new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
186   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
187   XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
188
189   if (router->coord && strcmp(router->coord, "")) {
190     unsigned int cursor;
191     char*str;
192
193     xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
194     /* Pre-parse the host coordinates */
195     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
196     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
197     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
198     xbt_dynar_foreach(ctn_str,cursor, str) {
199       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
200       xbt_dynar_push(ctn,&val);
201     }
202     xbt_dynar_free(&ctn_str);
203     xbt_dynar_shrink(ctn, 0);
204     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
205   }
206
207   if (TRACE_is_enabled() && TRACE_needs_platform())
208     sg_instr_new_router(router);
209 }
210
211 void sg_platf_new_link(sg_platf_link_cbarg_t link){
212   std::vector<char*> names;
213
214   if (link->policy == SURF_LINK_FULLDUPLEX) {
215     names.push_back(bprintf("%s_UP", link->id));
216     names.push_back(bprintf("%s_DOWN", link->id));
217   } else {
218     names.push_back(xbt_strdup(link->id));
219   }
220   for (auto link_name : names) {
221     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
222
223     if (link->latency_trace)
224       l->setLatencyTrace(link->latency_trace);
225     if (link->bandwidth_trace)
226       l->setBandwidthTrace(link->bandwidth_trace);
227     if (link->state_trace)
228       l->setStateTrace(link->state_trace);
229
230     xbt_free(link_name);
231   }
232
233   simgrid::surf::on_link(link);
234 }
235
236 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
237 {
238   using simgrid::surf::AsCluster;
239   using simgrid::surf::AsClusterTorus;
240   using simgrid::surf::AsClusterFatTree;
241
242   int rankId=0;
243
244   s_sg_platf_link_cbarg_t link;
245
246   // What an inventive way of initializing the AS that I have as ancestor :-(
247   s_sg_platf_AS_cbarg_t AS;
248   AS.id = cluster->id;
249   switch (cluster->topology) {
250   case SURF_CLUSTER_TORUS:
251     AS.routing = A_surfxml_AS_routing_ClusterTorus;
252     break;
253   case SURF_CLUSTER_FAT_TREE:
254     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
255     break;
256   default:
257     AS.routing = A_surfxml_AS_routing_Cluster;
258     break;
259   }
260   sg_platf_new_AS_begin(&AS);
261   simgrid::surf::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
262   current_as->parse_specific_arguments(cluster);
263
264   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
265     current_as->linkCountPerNode_++;
266     current_as->hasLoopback_ = 1;
267   }
268
269   if(cluster->limiter_link!=0){
270     current_as->linkCountPerNode_++;
271     current_as->hasLimiter_ = 1;
272   }
273
274   std::vector<int> *radicals = explodesRadical(cluster->radical);
275   for (int i : *radicals) {
276     char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
277     char * link_id = bprintf("%s_link_%d", cluster->id, i);
278
279     XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
280
281     s_sg_platf_host_cbarg_t host;
282     memset(&host, 0, sizeof(host));
283     host.id = host_id;
284     if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
285       xbt_dict_cursor_t cursor=nullptr;
286       char *key,*data;
287       host.properties = xbt_dict_new();
288
289       xbt_dict_foreach(cluster->properties,cursor,key,data) {
290         xbt_dict_set(host.properties, key, xbt_strdup(data),free);
291       }
292     }
293
294     host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
295     xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
296     host.pstate = 0;
297     host.core_amount = cluster->core_amount;
298     host.coord = "";
299     sg_platf_new_host(&host);
300     xbt_dynar_free(&host.speed_per_pstate);
301     XBT_DEBUG("</host>");
302
303     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
304
305     s_surf_parsing_link_up_down_t info_lim, info_loop;
306     // All links are saved in a matrix;
307     // every row describes a single node; every node may have multiple links.
308     // the first column may store a link from x to x if p_has_loopback is set
309     // the second column may store a limiter link if p_has_limiter is set
310     // other columns are to store one or more link for the node
311
312     //add a loopback link
313     if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
314       char *tmp_link = bprintf("%s_loopback", link_id);
315       XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
316
317       memset(&link, 0, sizeof(link));
318       link.id        = tmp_link;
319       link.bandwidth = cluster->loopback_bw;
320       link.latency   = cluster->loopback_lat;
321       link.policy    = SURF_LINK_FATPIPE;
322       sg_platf_new_link(&link);
323       info_loop.linkUp = info_loop.linkDown = Link::byName(tmp_link);
324       free(tmp_link);
325       auto as_cluster = static_cast<AsCluster*>(current_as);
326       xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->linkCountPerNode_, &info_loop);
327     }
328
329     //add a limiter link (shared link to account for maximal bandwidth of the node)
330     if(cluster->limiter_link!=0){
331       char *tmp_link = bprintf("%s_limiter", link_id);
332       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
333
334       memset(&link, 0, sizeof(link));
335       link.id = tmp_link;
336       link.bandwidth = cluster->limiter_link;
337       link.latency = 0;
338       link.policy = SURF_LINK_SHARED;
339       sg_platf_new_link(&link);
340       info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
341       free(tmp_link);
342       xbt_dynar_set(current_as->privateLinks_, rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , &info_lim);
343     }
344
345     //call the cluster function that adds the others links
346     if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
347       ((AsClusterFatTree*) current_as)->addProcessingNode(i);
348     }
349     else {
350       current_as->create_links_for_node(cluster, i, rankId,
351           rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
352     }
353     xbt_free(link_id);
354     xbt_free(host_id);
355     rankId++;
356   }
357   delete radicals;
358
359   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
360   // and it's very useful to connect clusters together
361   XBT_DEBUG(" ");
362   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
363   char *newid = nullptr;
364   s_sg_platf_router_cbarg_t router;
365   memset(&router, 0, sizeof(router));
366   router.id = cluster->router_id;
367   if (!router.id || !strcmp(router.id, ""))
368     router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
369   sg_platf_new_router(&router);
370   current_as->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
371   free(newid);
372
373   //Make the backbone
374   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
375
376     memset(&link, 0, sizeof(link));
377     link.id        = bprintf("%s_backbone", cluster->id);
378     link.bandwidth = cluster->bb_bw;
379     link.latency   = cluster->bb_lat;
380     link.policy    = cluster->bb_sharing_policy;
381
382     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id, cluster->bb_bw, cluster->bb_lat);
383     sg_platf_new_link(&link);
384
385     routing_cluster_add_backbone(Link::byName(link.id));
386     free((char*)link.id);
387   }
388
389   XBT_DEBUG("</AS>");
390   sg_platf_new_AS_seal();
391
392   simgrid::surf::on_cluster(cluster);
393 }
394 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
395   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
396
397   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
398   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
399
400   cluster->backbone_ = bb;
401   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
402 }
403
404 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
405 {
406   std::vector<int> *radicals = explodesRadical(cabinet->radical);
407
408   for (int radical : *radicals) {
409     char *hostname = bprintf("%s%d%s", cabinet->prefix, radical, cabinet->suffix);
410     s_sg_platf_host_cbarg_t host;
411     memset(&host, 0, sizeof(host));
412     host.pstate           = 0;
413     host.core_amount      = 1;
414     host.id               = hostname;
415     host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
416     xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
417     sg_platf_new_host(&host);
418     xbt_dynar_free(&host.speed_per_pstate);
419
420     s_sg_platf_link_cbarg_t link;
421     memset(&link, 0, sizeof(link));
422     link.policy    = SURF_LINK_FULLDUPLEX;
423     link.latency   = cabinet->lat;
424     link.bandwidth = cabinet->bw;
425     link.id        = bprintf("link_%s",hostname);
426     sg_platf_new_link(&link);
427     free((char*)link.id);
428
429     s_sg_platf_host_link_cbarg_t host_link;
430     memset(&host_link, 0, sizeof(host_link));
431     host_link.id        = hostname;
432     host_link.link_up   = bprintf("link_%s_UP",hostname);
433     host_link.link_down = bprintf("link_%s_DOWN",hostname);
434     sg_platf_new_hostlink(&host_link);
435     free((char*)host_link.link_up);
436     free((char*)host_link.link_down);
437
438     free(hostname);
439   }
440   delete(radicals);
441 }
442
443 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
444 {
445   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
446                "Refusing to add a second storage named \"%s\"", storage->id);
447
448   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
449   xbt_assert(stype,"No storage type '%s'", storage->type_id);
450
451   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
452       storage->id,
453       storage->type_id,
454       storage->content);
455
456   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
457
458   // if storage content is not specified use the content of storage_type if any
459   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
460     storage->content = ((storage_type_t) stype)->content;
461     storage->content_type = ((storage_type_t) stype)->content_type;
462     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
463         storage->id,((storage_type_t) stype)->content_type,
464         ((storage_type_t) stype)->type_id);
465   }
466
467   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
468       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
469       "\n\t\tproperties '%p''\n",
470       storage->id,
471       ((storage_type_t) stype)->model,
472       ((storage_type_t) stype)->type_id,
473       storage->content,
474       storage->content_type,
475     storage->properties);
476
477   surf_storage_model->createStorage(storage->id,
478                                      ((storage_type_t) stype)->type_id,
479                                      storage->content,
480                                      storage->content_type,
481                    storage->properties,
482                                      storage->attach);
483 }
484 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
485
486   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
487                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
488
489   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
490   stype->model = xbt_strdup(storage_type->model);
491   stype->properties = storage_type->properties;
492   stype->content = xbt_strdup(storage_type->content);
493   stype->content_type = xbt_strdup(storage_type->content_type);
494   stype->type_id = xbt_strdup(storage_type->id);
495   stype->size = storage_type->size;
496   stype->model_properties = storage_type->model_properties;
497
498   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
499       "content '%s', and content_type '%s'",
500       stype->type_id,
501       stype->model,
502       storage_type->content,
503       storage_type->content_type);
504
505   xbt_lib_set(storage_type_lib,
506       stype->type_id,
507       ROUTING_STORAGE_TYPE_LEVEL,
508       (void *) stype);
509 }
510
511 static void mount_free(void *p)
512 {
513   mount_t mnt = (mount_t) p;
514   xbt_free(mnt->name);
515 }
516
517 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
518   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
519       "Cannot mount non-existent disk \"%s\"", mount->storageId);
520
521   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
522
523   s_mount_t mnt;
524   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
525   mnt.name = xbt_strdup(mount->name);
526
527   if(!mount_list){
528     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
529     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
530   }
531   xbt_dynar_push(mount_list, &mnt);
532 }
533
534 void sg_platf_new_route(sg_platf_route_cbarg_t route)
535 {
536   routing_get_current()->addRoute(route);
537 }
538
539 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
540 {
541   routing_get_current()->addBypassRoute(bypassRoute);
542 }
543
544 void sg_platf_new_process(sg_platf_process_cbarg_t process)
545 {
546   sg_host_t host = sg_host_by_name(process->host);
547   if (!host) {
548     // The requested host does not exist. Do a nice message to the user
549     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
550     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
551     free(tmp);
552     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
553     simgrid::s4u::Host* host;
554     unsigned int cursor;
555     xbt_dynar_foreach(all_hosts,cursor, host) {
556       xbt_strbuff_append(msg,host->name().c_str());
557       xbt_strbuff_append(msg,"', '");
558       if (msg->used > 1024) {
559         msg->data[msg->used-3]='\0';
560         msg->used -= 3;
561
562         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
563       }
564     }
565     msg->data[msg->used-3]='\0';
566     xbt_die("%s", msg->data);
567   }
568   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
569   xbt_assert(parse_code, "Function '%s' unknown", process->function);
570
571   double start_time = process->start_time;
572   double kill_time  = process->kill_time;
573   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
574
575   std::function<void()> code = simgrid::xbt::wrapMain(parse_code, process->argc, process->argv);
576
577   smx_process_arg_t arg = nullptr;
578   smx_process_t process_created = nullptr;
579
580   arg = new simgrid::simix::ProcessArg();
581   arg->name = std::string(process->argv[0]);
582   arg->code = code;
583   arg->data = nullptr;
584   arg->hostname = sg_host_get_name(host);
585   arg->kill_time = kill_time;
586   arg->properties = current_property_set;
587   if (!sg_host_simix(host)->boot_processes)
588     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
589
590   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
591
592   if (start_time > SIMIX_get_clock()) {
593
594     arg = new simgrid::simix::ProcessArg();
595     arg->name = std::string(process->argv[0]);
596     arg->code = std::move(code);
597     arg->data = nullptr;
598     arg->hostname = sg_host_get_name(host);
599     arg->kill_time = kill_time;
600     arg->properties = current_property_set;
601
602     XBT_DEBUG("Process %s(%s) will be started at time %f",
603       arg->name.c_str(), arg->hostname, start_time);
604     SIMIX_timer_set(start_time, [=]() {
605       simix_global->create_process_function(
606                                             arg->name.c_str(),
607                                             std::move(arg->code),
608                                             arg->data,
609                                             arg->hostname,
610                                             arg->kill_time,
611                                             arg->properties,
612                                             arg->auto_restart,
613                                             nullptr);
614       delete arg;
615     });
616   } else {                      // start_time <= SIMIX_get_clock()
617     XBT_DEBUG("Starting Process %s(%s) right now",
618       arg->name.c_str(), sg_host_get_name(host));
619
620     if (simix_global->create_process_function)
621       process_created = simix_global->create_process_function(
622           arg->name.c_str(), std::move(code), nullptr,
623           sg_host_get_name(host), kill_time,
624           current_property_set, auto_restart, nullptr);
625     else
626       process_created = simcall_process_create(
627           arg->name.c_str(), std::move(code), nullptr, sg_host_get_name(host), kill_time,
628           current_property_set,auto_restart);
629
630     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
631     if (!process_created) {
632       return;
633     }
634   }
635   current_property_set = nullptr;
636 }
637
638 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
639 {
640   using simgrid::surf::NetCard;
641   using simgrid::surf::AsCluster;
642
643   char *host_id = bprintf("peer_%s", peer->id);
644   char *router_id = bprintf("router_%s", peer->id);
645
646   XBT_DEBUG(" ");
647
648   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
649   s_sg_platf_AS_cbarg_t AS;
650   AS.id      = peer->id;
651   AS.routing = A_surfxml_AS_routing_Cluster;
652   sg_platf_new_AS_begin(&AS);
653
654   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
655   s_sg_platf_host_cbarg_t host;
656   memset(&host, 0, sizeof(host));
657   host.id = host_id;
658
659   host.speed_per_pstate = xbt_dynar_new(sizeof(double), nullptr);
660   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
661   host.pstate = 0;
662   host.speed_trace = peer->availability_trace;
663   host.state_trace = peer->state_trace;
664   host.core_amount = 1;
665   sg_platf_new_host(&host);
666   xbt_dynar_free(&host.speed_per_pstate);
667
668   s_sg_platf_link_cbarg_t link;
669   memset(&link, 0, sizeof(link));
670   link.policy  = SURF_LINK_SHARED;
671   link.latency = peer->lat;
672
673   char* link_up = bprintf("link_%s_UP",peer->id);
674   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
675   link.id = link_up;
676   link.bandwidth = peer->bw_out;
677   sg_platf_new_link(&link);
678
679   char* link_down = bprintf("link_%s_DOWN",peer->id);
680   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
681   link.id = link_down;
682   link.bandwidth = peer->bw_in;
683   sg_platf_new_link(&link);
684
685   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
686   s_sg_platf_host_link_cbarg_t host_link;
687   memset(&host_link, 0, sizeof(host_link));
688   host_link.id        = host_id;
689   host_link.link_up   = link_up;
690   host_link.link_down = link_down;
691   sg_platf_new_hostlink(&host_link);
692   free(link_up);
693   free(link_down);
694
695   XBT_DEBUG("<router id=\"%s\"/>", router_id);
696   s_sg_platf_router_cbarg_t router;
697   memset(&router, 0, sizeof(router));
698   router.id = router_id;
699   router.coord = peer->coord;
700   sg_platf_new_router(&router);
701   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
702
703   XBT_DEBUG("</AS>");
704   sg_platf_new_AS_seal();
705   XBT_DEBUG(" ");
706
707   free(router_id);
708   free(host_id);
709 }
710
711 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
712
713 void sg_platf_end() {
714   simgrid::surf::on_postparse();
715 }
716
717 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
718 static void surf_config_models_setup()
719 {
720   const char *host_model_name;
721   const char *vm_model_name;
722   int host_id = -1;
723   int vm_id = -1;
724   char *network_model_name = nullptr;
725   char *cpu_model_name = nullptr;
726   int storage_id = -1;
727   char *storage_model_name = nullptr;
728
729   host_model_name    = xbt_cfg_get_string("host/model");
730   vm_model_name      = xbt_cfg_get_string("vm/model");
731   network_model_name = xbt_cfg_get_string("network/model");
732   cpu_model_name     = xbt_cfg_get_string("cpu/model");
733   storage_model_name = xbt_cfg_get_string("storage/model");
734
735   /* Check whether we use a net/cpu model differing from the default ones, in which case
736    * we should switch to the "compound" host model to correctly dispatch stuff to
737    * the right net/cpu models.
738    */
739
740   if ((!xbt_cfg_is_default_value("network/model") ||
741        !xbt_cfg_is_default_value("cpu/model")) &&
742       xbt_cfg_is_default_value("host/model")) {
743     host_model_name = "compound";
744     xbt_cfg_set_string("host/model", host_model_name);
745   }
746
747   XBT_DEBUG("host model: %s", host_model_name);
748   host_id = find_model_description(surf_host_model_description, host_model_name);
749   if (!strcmp(host_model_name, "compound")) {
750     int network_id = -1;
751     int cpu_id = -1;
752
753     xbt_assert(cpu_model_name,
754                 "Set a cpu model to use with the 'compound' host model");
755
756     xbt_assert(network_model_name,
757                 "Set a network model to use with the 'compound' host model");
758
759     if(surf_cpu_model_init_preparse){
760       surf_cpu_model_init_preparse();
761     } else {
762       cpu_id =
763           find_model_description(surf_cpu_model_description, cpu_model_name);
764       surf_cpu_model_description[cpu_id].model_init_preparse();
765     }
766
767     network_id =
768         find_model_description(surf_network_model_description,
769                                network_model_name);
770     surf_network_model_description[network_id].model_init_preparse();
771   }
772
773   XBT_DEBUG("Call host_model_init");
774   surf_host_model_description[host_id].model_init_preparse();
775
776   XBT_DEBUG("Call vm_model_init");
777   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
778   surf_vm_model_description[vm_id].model_init_preparse();
779
780   XBT_DEBUG("Call storage_model_init");
781   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
782   surf_storage_model_description[storage_id].model_init_preparse();
783
784 }
785
786 /**
787  * \brief Make a new routing component to the platform
788  *
789  * Add a new autonomous system to the platform. Any elements (such as host,
790  * router or sub-AS) added after this call and before the corresponding call
791  * to sg_platf_new_AS_seal() will be added to this AS.
792  *
793  * Once this function was called, the configuration concerning the used
794  * models cannot be changed anymore.
795  *
796  * @param AS the parameters defining the AS to build.
797  */
798 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
799 {
800   if (!surf_parse_models_setup_already_called) {
801     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
802      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
803      *
804      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
805      * (FIXME: check it out by creating a file beginning with one of these tags)
806      * but cluster and peer create ASes internally, so putting the code in there is ok.
807      */
808     surf_parse_models_setup_already_called = 1;
809     surf_config_models_setup();
810   }
811
812   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
813       "Refusing to create a second AS called \"%s\".", AS->id);
814
815   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
816                             * any further config now that we created some real content */
817
818
819   /* search the routing model */
820   simgrid::surf::AsImpl *new_as = nullptr;
821   switch(AS->routing){
822     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
823     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
824     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
825     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
826     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
827     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
828     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
829     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
830     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
831     default:                                  xbt_die("Not a valid model!");                        break;
832   }
833
834   /* make a new routing component */
835   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
836
837   if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
838     routing_platf->root_ = new_as;
839   } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
840
841     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
842                "The AS \"%s\" already exists", AS->id);
843     /* it is a part of the tree */
844     new_as->father_ = current_routing;
845     /* set the father behavior */
846     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
847       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
848     /* add to the sons dictionary */
849     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
850   } else {
851     THROWF(arg_error, 0, "All defined components must belong to a AS");
852   }
853
854   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
855   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
856
857   /* set the new current component of the tree */
858   current_routing = new_as;
859   current_routing->netcard_ = netcard;
860
861   simgrid::surf::asCreatedCallbacks(new_as);
862   if (TRACE_is_enabled())
863     sg_instr_AS_begin(AS);
864
865   return new_as;
866 }
867
868 /**
869  * \brief Specify that the description of the current AS is finished
870  *
871  * Once you've declared all the content of your AS, you have to seal
872  * it with this call. Your AS is not usable until you call this function.
873  */
874 void sg_platf_new_AS_seal()
875 {
876   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
877   current_routing->seal();
878   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
879
880   if (TRACE_is_enabled())
881     sg_instr_AS_end();
882 }
883
884 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
885 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
886 {
887   simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
888   xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
889   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
890       "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
891
892   s_surf_parsing_link_up_down_t link_up_down;
893   link_up_down.linkUp = Link::byName(hostlink->link_up);
894   link_up_down.linkDown = Link::byName(hostlink->link_down);
895
896   xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
897   xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
898
899   // If dynar is is greater than netcard id and if the host_link is already defined
900   auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
901   if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
902       xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
903   surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
904
905   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
906   xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
907 }