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[simix] Create a (fake) simcall for creating a process directly from a simgrid::simix...
[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/signal.hpp>
13 #include "src/surf/HostImpl.hpp"
14 #include "surf/surf.h"
15
16 #include "src/simix/smx_private.h"
17
18 #include "src/include/simgrid/sg_config.h"
19 #include "src/surf/xml/platf_private.hpp"
20
21 #include "src/surf/cpu_interface.hpp"
22 #include "src/surf/network_interface.hpp"
23 #include "surf/surf_routing.h" // FIXME: brain dead public header
24
25 #include "src/surf/AsImpl.hpp"
26 #include "src/surf/AsCluster.hpp"
27 #include "src/surf/AsClusterTorus.hpp"
28 #include "src/surf/AsClusterFatTree.hpp"
29 #include "src/surf/AsDijkstra.hpp"
30 #include "src/surf/AsFloyd.hpp"
31 #include "src/surf/AsFull.hpp"
32 #include "src/surf/AsNone.hpp"
33 #include "src/surf/AsVivaldi.hpp"
34
35 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
36
37 XBT_PRIVATE xbt_dynar_t mount_list = NULL;
38
39 namespace simgrid {
40 namespace surf {
41
42 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
43 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
44 simgrid::xbt::signal<void(void)> on_postparse;
45
46 }
47 }
48
49 static int surf_parse_models_setup_already_called = 0;
50
51 /* Turn something like "1-4,6,9-11" into the vector {1,2,3,4,6,9,10,11} */
52 static std::vector<int> *explodesRadical(const char*radicals){
53   std::vector<int> *exploded = new std::vector<int>();
54   char *groups;
55   unsigned int iter;
56
57   //Make all hosts
58   xbt_dynar_t radical_elements = xbt_str_split(radicals, ",");
59   xbt_dynar_foreach(radical_elements, iter, groups) {
60
61     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
62     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
63     int end=0;
64
65     switch (xbt_dynar_length(radical_ends)) {
66     case 1:
67       end = start;
68       break;
69     case 2:
70       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
71       break;
72     default:
73       surf_parse_error("Malformed radical: %s", groups);
74       break;
75     }
76
77     for (int i = start; i <= end; i++)
78       exploded->push_back( i );
79
80     xbt_dynar_free(&radical_ends);
81   }
82   xbt_dynar_free(&radical_elements);
83
84   return exploded;
85 }
86
87
88 /** The current AS in the parsing */
89 static simgrid::surf::AsImpl *current_routing = NULL;
90 static simgrid::surf::AsImpl* routing_get_current()
91 {
92   return current_routing;
93 }
94
95 /** Module management function: creates all internal data structures */
96 void sg_platf_init(void) {
97 }
98
99 /** Module management function: frees all internal data structures */
100 void sg_platf_exit(void) {
101   simgrid::surf::on_link.disconnect_all_slots();
102   simgrid::surf::on_cluster.disconnect_all_slots();
103   simgrid::surf::on_postparse.disconnect_all_slots();
104
105   /* make sure that we will reinit the models while loading the platf once reinited */
106   surf_parse_models_setup_already_called = 0;
107   surf_parse_lex_destroy();
108 }
109
110 /** @brief Add an "host" to the current AS */
111 void sg_platf_new_host(sg_platf_host_cbarg_t host)
112 {
113   xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
114
115   simgrid::surf::AsImpl* current_routing = routing_get_current();
116   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
117     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
118
119   simgrid::surf::NetCard *netcard =
120       new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
121
122   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
123   h->pimpl_netcard = netcard;
124
125   if(mount_list){
126     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
127     mount_list = NULL;
128   }
129
130   if (host->coord && strcmp(host->coord, "")) {
131     unsigned int cursor;
132     char*str;
133
134     xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
135     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
136     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
137     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
138
139     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
140     xbt_dynar_foreach(ctn_str,cursor, str) {
141       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
142       xbt_dynar_push(ctn,&val);
143     }
144     xbt_dynar_free(&ctn_str);
145     xbt_dynar_shrink(ctn, 0);
146     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
147   }
148
149   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
150   if (host->state_trace)
151     cpu->setStateTrace(host->state_trace);
152   if (host->speed_trace)
153     cpu->setSpeedTrace(host->speed_trace);
154   surf_host_model->createHost(host->id, netcard, cpu)->attach(h);
155
156   if (host->properties) {
157     xbt_dict_cursor_t cursor=NULL;
158     char *key,*data;
159     xbt_dict_foreach(host->properties,cursor,key,data)
160       h->setProperty(key,data);
161     xbt_dict_free(&host->properties);
162   }
163
164   if (host->pstate != 0)
165     cpu->setPState(host->pstate);
166
167   simgrid::s4u::Host::onCreation(*h);
168
169   if (TRACE_is_enabled() && TRACE_needs_platform())
170     sg_instr_new_host(host);
171 }
172
173 /** @brief Add a "router" to the network element list */
174 void sg_platf_new_router(sg_platf_router_cbarg_t router)
175 {
176   simgrid::surf::AsImpl* current_routing = routing_get_current();
177
178   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
179     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
180   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
181              "Refusing to create a router named '%s': this name already describes a node.", router->id);
182
183   simgrid::surf::NetCard *netcard =
184     new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
185   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
186   XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
187
188   if (router->coord && strcmp(router->coord, "")) {
189     unsigned int cursor;
190     char*str;
191
192     xbt_assert(COORD_ASR_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
193     /* Pre-parse the host coordinates */
194     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
195     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
196     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
197     xbt_dynar_foreach(ctn_str,cursor, str) {
198       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
199       xbt_dynar_push(ctn,&val);
200     }
201     xbt_dynar_free(&ctn_str);
202     xbt_dynar_shrink(ctn, 0);
203     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
204   }
205
206   if (TRACE_is_enabled() && TRACE_needs_platform())
207     sg_instr_new_router(router);
208 }
209
210 void sg_platf_new_link(sg_platf_link_cbarg_t link){
211   std::vector<char*> names;
212
213   if (link->policy == SURF_LINK_FULLDUPLEX) {
214     names.push_back(bprintf("%s_UP", link->id));
215     names.push_back(bprintf("%s_DOWN", link->id));
216   } else {
217     names.push_back(xbt_strdup(link->id));
218   }
219   for (auto link_name : names) {
220     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
221
222     if (link->latency_trace)
223       l->setLatencyTrace(link->latency_trace);
224     if (link->bandwidth_trace)
225       l->setBandwidthTrace(link->bandwidth_trace);
226     if (link->state_trace)
227       l->setStateTrace(link->state_trace);
228
229     xbt_free(link_name);
230   }
231
232   simgrid::surf::on_link(link);
233 }
234
235 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
236 {
237   using simgrid::surf::AsCluster;
238   using simgrid::surf::AsClusterTorus;
239   using simgrid::surf::AsClusterFatTree;
240
241   int rankId=0;
242
243   s_sg_platf_link_cbarg_t link;
244
245   // What an inventive way of initializing the AS that I have as ancestor :-(
246   s_sg_platf_AS_cbarg_t AS;
247   AS.id = cluster->id;
248   switch (cluster->topology) {
249   case SURF_CLUSTER_TORUS:
250     AS.routing = A_surfxml_AS_routing_ClusterTorus;
251     break;
252   case SURF_CLUSTER_FAT_TREE:
253     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
254     break;
255   default:
256     AS.routing = A_surfxml_AS_routing_Cluster;
257     break;
258   }
259   sg_platf_new_AS_begin(&AS);
260   simgrid::surf::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
261   current_as->parse_specific_arguments(cluster);
262
263   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
264     current_as->nb_links_per_node_++;
265     current_as->has_loopback_ = 1;
266   }
267
268   if(cluster->limiter_link!=0){
269     current_as->nb_links_per_node_++;
270     current_as->has_limiter_ = 1;
271   }
272
273   std::vector<int> *radicals = explodesRadical(cluster->radical);
274   for (int i : *radicals) {
275     char * host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
276     char * link_id = bprintf("%s_link_%d", cluster->id, i);
277
278     XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
279
280     s_sg_platf_host_cbarg_t host;
281     memset(&host, 0, sizeof(host));
282     host.id = host_id;
283     if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
284       xbt_dict_cursor_t cursor=NULL;
285       char *key,*data;
286       host.properties = xbt_dict_new();
287
288       xbt_dict_foreach(cluster->properties,cursor,key,data) {
289         xbt_dict_set(host.properties, key, xbt_strdup(data),free);
290       }
291     }
292
293     host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
294     xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
295     host.pstate = 0;
296     host.core_amount = cluster->core_amount;
297     host.coord = "";
298     sg_platf_new_host(&host);
299     xbt_dynar_free(&host.speed_per_pstate);
300     XBT_DEBUG("</host>");
301
302     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
303
304     s_surf_parsing_link_up_down_t info_lim, info_loop;
305     // All links are saved in a matrix;
306     // every row describes a single node; every node
307     // 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.link_up = info_loop.link_down = 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->nb_links_per_node_, &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.link_up = info_lim.link_down = Link::byName(tmp_link);
341       free(tmp_link);
342       xbt_dynar_set(current_as->privateLinks_, rankId * current_as->nb_links_per_node_ + current_as->has_loopback_ , &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->nb_links_per_node_ + current_as->has_loopback_ + current_as->has_limiter_ );
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 = NULL;
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), NULL);
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   smx_process_arg_t arg = NULL;
576   smx_process_t process_created = NULL;
577
578   arg = new simgrid::simix::ProcessArg();
579   arg->name = std::string(process->argv[0]);
580   arg->code = parse_code;
581   arg->data = NULL;
582   arg->hostname = sg_host_get_name(host);
583   arg->args.assign(process->argc, process->argv);
584   arg->kill_time = kill_time;
585   arg->properties = current_property_set;
586   if (!sg_host_simix(host)->boot_processes)
587     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
588
589   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
590
591   if (start_time > SIMIX_get_clock()) {
592     arg = new simgrid::simix::ProcessArg();
593     arg->name = std::string(process->argv[0]);
594     arg->code = parse_code;
595     arg->data = NULL;
596     arg->hostname = sg_host_get_name(host);
597     arg->args.assign(process->argc, process->argv);
598     arg->kill_time = kill_time;
599     arg->properties = current_property_set;
600
601     XBT_DEBUG("Process %s(%s) will be started at time %f",
602       arg->name.c_str(), arg->hostname, start_time);
603     SIMIX_timer_set(start_time, [](void* p) {
604       smx_process_arg_t arg = static_cast<smx_process_arg_t>(p);
605       simix_global->create_process_function(
606                                             arg->name.c_str(),
607                                             arg->code,
608                                             arg->data,
609                                             arg->hostname,
610                                             arg->kill_time,
611                                             std::move(arg->args),
612                                             arg->properties,
613                                             arg->auto_restart,
614                                             NULL);
615       delete arg;
616     }, arg);
617   } else {                      // start_time <= SIMIX_get_clock()
618     XBT_DEBUG("Starting Process %s(%s) right now",
619       arg->name.c_str(), sg_host_get_name(host));
620
621     if (simix_global->create_process_function)
622       process_created = simix_global->create_process_function(
623           arg->name.c_str(),
624                                             parse_code,
625                                             NULL,
626                                             sg_host_get_name(host),
627                                             kill_time,
628                                             arg->args,
629                                             current_property_set,
630                                             auto_restart, NULL);
631     else
632       process_created = simcall_process_create(
633           arg->name.c_str(), parse_code, NULL, sg_host_get_name(host), kill_time,
634           arg->args, current_property_set,auto_restart);
635
636     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
637     if (!process_created) {
638       return;
639     }
640   }
641   current_property_set = NULL;
642 }
643
644 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
645 {
646   using simgrid::surf::NetCard;
647   using simgrid::surf::AsCluster;
648
649   char *host_id = bprintf("peer_%s", peer->id);
650   char *router_id = bprintf("router_%s", peer->id);
651
652   XBT_DEBUG(" ");
653
654   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
655   s_sg_platf_AS_cbarg_t AS;
656   AS.id      = peer->id;
657   AS.routing = A_surfxml_AS_routing_Cluster;
658   sg_platf_new_AS_begin(&AS);
659
660   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
661   s_sg_platf_host_cbarg_t host;
662   memset(&host, 0, sizeof(host));
663   host.id = host_id;
664
665   host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
666   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
667   host.pstate = 0;
668   host.speed_trace = peer->availability_trace;
669   host.state_trace = peer->state_trace;
670   host.core_amount = 1;
671   sg_platf_new_host(&host);
672   xbt_dynar_free(&host.speed_per_pstate);
673
674   s_sg_platf_link_cbarg_t link;
675   memset(&link, 0, sizeof(link));
676   link.policy  = SURF_LINK_SHARED;
677   link.latency = peer->lat;
678
679   char* link_up = bprintf("link_%s_UP",peer->id);
680   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
681   link.id = link_up;
682   link.bandwidth = peer->bw_out;
683   sg_platf_new_link(&link);
684
685   char* link_down = bprintf("link_%s_DOWN",peer->id);
686   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
687   link.id = link_down;
688   link.bandwidth = peer->bw_in;
689   sg_platf_new_link(&link);
690
691   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
692   s_sg_platf_host_link_cbarg_t host_link;
693   memset(&host_link, 0, sizeof(host_link));
694   host_link.id        = host_id;
695   host_link.link_up   = link_up;
696   host_link.link_down = link_down;
697   sg_platf_new_hostlink(&host_link);
698   free(link_up);
699   free(link_down);
700
701   XBT_DEBUG("<router id=\"%s\"/>", router_id);
702   s_sg_platf_router_cbarg_t router;
703   memset(&router, 0, sizeof(router));
704   router.id = router_id;
705   router.coord = peer->coord;
706   sg_platf_new_router(&router);
707   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
708
709   XBT_DEBUG("</AS>");
710   sg_platf_new_AS_seal();
711   XBT_DEBUG(" ");
712
713   free(router_id);
714   free(host_id);
715 }
716
717 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
718
719 void sg_platf_end() {
720   simgrid::surf::on_postparse();
721 }
722
723 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
724 static void surf_config_models_setup()
725 {
726   const char *host_model_name;
727   const char *vm_model_name;
728   int host_id = -1;
729   int vm_id = -1;
730   char *network_model_name = NULL;
731   char *cpu_model_name = NULL;
732   int storage_id = -1;
733   char *storage_model_name = NULL;
734
735   host_model_name    = xbt_cfg_get_string("host/model");
736   vm_model_name      = xbt_cfg_get_string("vm/model");
737   network_model_name = xbt_cfg_get_string("network/model");
738   cpu_model_name     = xbt_cfg_get_string("cpu/model");
739   storage_model_name = xbt_cfg_get_string("storage/model");
740
741   /* Check whether we use a net/cpu model differing from the default ones, in which case
742    * we should switch to the "compound" host model to correctly dispatch stuff to
743    * the right net/cpu models.
744    */
745
746   if ((!xbt_cfg_is_default_value("network/model") ||
747        !xbt_cfg_is_default_value("cpu/model")) &&
748       xbt_cfg_is_default_value("host/model")) {
749     host_model_name = "compound";
750     xbt_cfg_set_string("host/model", host_model_name);
751   }
752
753   XBT_DEBUG("host model: %s", host_model_name);
754   host_id = find_model_description(surf_host_model_description, host_model_name);
755   if (!strcmp(host_model_name, "compound")) {
756     int network_id = -1;
757     int cpu_id = -1;
758
759     xbt_assert(cpu_model_name,
760                 "Set a cpu model to use with the 'compound' host model");
761
762     xbt_assert(network_model_name,
763                 "Set a network model to use with the 'compound' host model");
764
765     if(surf_cpu_model_init_preparse){
766       surf_cpu_model_init_preparse();
767     } else {
768       cpu_id =
769           find_model_description(surf_cpu_model_description, cpu_model_name);
770       surf_cpu_model_description[cpu_id].model_init_preparse();
771     }
772
773     network_id =
774         find_model_description(surf_network_model_description,
775                                network_model_name);
776     surf_network_model_description[network_id].model_init_preparse();
777   }
778
779   XBT_DEBUG("Call host_model_init");
780   surf_host_model_description[host_id].model_init_preparse();
781
782   XBT_DEBUG("Call vm_model_init");
783   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
784   surf_vm_model_description[vm_id].model_init_preparse();
785
786   XBT_DEBUG("Call storage_model_init");
787   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
788   surf_storage_model_description[storage_id].model_init_preparse();
789
790 }
791
792 /**
793  * \brief Make a new routing component to the platform
794  *
795  * Add a new autonomous system to the platform. Any elements (such as host,
796  * router or sub-AS) added after this call and before the corresponding call
797  * to sg_platf_new_AS_seal() will be added to this AS.
798  *
799  * Once this function was called, the configuration concerning the used
800  * models cannot be changed anymore.
801  *
802  * @param AS the parameters defining the AS to build.
803  */
804 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
805 {
806   if (!surf_parse_models_setup_already_called) {
807     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
808      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
809      *
810      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
811      * (FIXME: check it out by creating a file beginning with one of these tags)
812      * but cluster and peer create ASes internally, so putting the code in there is ok.
813      */
814     surf_parse_models_setup_already_called = 1;
815     surf_config_models_setup();
816   }
817
818   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
819       "Refusing to create a second AS called \"%s\".", AS->id);
820
821   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
822                             * any further config now that we created some real content */
823
824
825   /* search the routing model */
826   simgrid::surf::AsImpl *new_as = NULL;
827   switch(AS->routing){
828     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
829     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
830     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
831     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
832     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
833     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
834     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
835     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
836     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
837     default:                                  xbt_die("Not a valid model!");                        break;
838   }
839
840   /* make a new routing component */
841   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
842
843   if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
844     routing_platf->root_ = new_as;
845   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
846
847     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
848                "The AS \"%s\" already exists", AS->id);
849     /* it is a part of the tree */
850     new_as->father_ = current_routing;
851     /* set the father behavior */
852     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
853       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
854     /* add to the sons dictionary */
855     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
856   } else {
857     THROWF(arg_error, 0, "All defined components must belong to a AS");
858   }
859
860   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
861   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
862
863   /* set the new current component of the tree */
864   current_routing = new_as;
865   current_routing->netcard_ = netcard;
866
867   simgrid::surf::asCreatedCallbacks(new_as);
868   if (TRACE_is_enabled())
869     sg_instr_AS_begin(AS);
870
871   return new_as;
872 }
873
874 /**
875  * \brief Specify that the description of the current AS is finished
876  *
877  * Once you've declared all the content of your AS, you have to seal
878  * it with this call. Your AS is not usable until you call this function.
879  */
880 void sg_platf_new_AS_seal()
881 {
882   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
883   current_routing->seal();
884   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
885
886   if (TRACE_is_enabled())
887     sg_instr_AS_end();
888 }
889
890 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
891 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
892 {
893   simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
894   xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
895   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
896       "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
897
898   s_surf_parsing_link_up_down_t link_up_down;
899   link_up_down.link_up = Link::byName(hostlink->link_up);
900   link_up_down.link_down = Link::byName(hostlink->link_down);
901
902   xbt_assert(link_up_down.link_up, "Link '%s' not found!",hostlink->link_up);
903   xbt_assert(link_up_down.link_down, "Link '%s' not found!",hostlink->link_down);
904
905   // If dynar is is greater than netcard id and if the host_link is already defined
906   auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
907   if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
908       xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
909   surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
910
911   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
912   xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
913 }