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[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 /** The current AS in the parsing */
52 static simgrid::surf::AsImpl *current_routing = NULL;
53 static simgrid::surf::AsImpl* routing_get_current()
54 {
55   return current_routing;
56 }
57
58 /** Module management function: creates all internal data structures */
59 void sg_platf_init(void) {
60 }
61
62 /** Module management function: frees all internal data structures */
63 void sg_platf_exit(void) {
64   simgrid::surf::on_link.disconnect_all_slots();
65   simgrid::surf::on_cluster.disconnect_all_slots();
66   simgrid::surf::on_postparse.disconnect_all_slots();
67
68   /* make sure that we will reinit the models while loading the platf once reinited */
69   surf_parse_models_setup_already_called = 0;
70   surf_parse_lex_destroy();
71 }
72
73 /** @brief Add an "host" to the current AS */
74 void sg_platf_new_host(sg_platf_host_cbarg_t host)
75 {
76   xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
77
78   simgrid::surf::AsImpl* current_routing = routing_get_current();
79   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
80     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
81
82   simgrid::surf::NetCard *netcard =
83       new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
84
85   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
86   h->pimpl_netcard = netcard;
87
88   if(mount_list){
89     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
90     mount_list = NULL;
91   }
92
93   if (host->coord && strcmp(host->coord, "")) {
94     unsigned int cursor;
95     char*str;
96
97     xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
98     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
99     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
100     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
101     xbt_dynar_foreach(ctn_str,cursor, str) {
102       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
103       xbt_dynar_push(ctn,&val);
104     }
105     xbt_dynar_shrink(ctn, 0);
106     xbt_dynar_free(&ctn_str);
107     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
108     XBT_DEBUG("Having set host coordinates for '%s'",host->id);
109   }
110
111   simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
112       host->speed_per_pstate,
113       host->core_amount);
114   if (host->state_trace)
115     cpu->setStateTrace(host->state_trace);
116   if (host->speed_trace)
117     cpu->setSpeedTrace(host->speed_trace);
118   surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
119
120   if (host->pstate != 0)
121     cpu->setPState(host->pstate);
122
123   simgrid::s4u::Host::onCreation(*h);
124
125   if (TRACE_is_enabled() && TRACE_needs_platform())
126     sg_instr_new_host(host);
127 }
128
129 /**
130  * \brief Add a "router" to the network element list
131  */
132 void sg_platf_new_router(sg_platf_router_cbarg_t router)
133 {
134   simgrid::surf::AsImpl* current_routing = routing_get_current();
135
136   if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
137     current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
138   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
139              "Refusing to create a router named '%s': this name already describes a node.", router->id);
140
141   simgrid::surf::NetCard *netcard =
142     new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
143   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
144   XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
145
146   if (router->coord && strcmp(router->coord, "")) {
147     unsigned int cursor;
148     char*str;
149
150     if (!COORD_ASR_LEVEL)
151       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
152     /* Pre-parse the host coordinates */
153     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
154     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
155     xbt_dynar_foreach(ctn_str,cursor, str) {
156       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
157       xbt_dynar_push(ctn,&val);
158     }
159     xbt_dynar_shrink(ctn, 0);
160     xbt_dynar_free(&ctn_str);
161     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
162     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
163   }
164
165   if (TRACE_is_enabled() && TRACE_needs_platform())
166     sg_instr_new_router(router);
167 }
168
169 void sg_platf_new_link(sg_platf_link_cbarg_t link){
170   std::vector<char*> names;
171
172   if (link->policy == SURF_LINK_FULLDUPLEX) {
173     names.push_back(bprintf("%s_UP", link->id));
174     names.push_back(bprintf("%s_DOWN", link->id));
175   } else {
176     names.push_back(xbt_strdup(link->id));
177   }
178   for (auto link_name : names) {
179     Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
180
181     if (link->latency_trace)
182       l->setLatencyTrace(link->latency_trace);
183     if (link->bandwidth_trace)
184       l->setBandwidthTrace(link->bandwidth_trace);
185     if (link->state_trace)
186       l->setStateTrace(link->state_trace);
187
188     xbt_free(link_name);
189   }
190
191   simgrid::surf::on_link(link);
192 }
193
194 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
195 {
196   using simgrid::surf::AsCluster;
197   using simgrid::surf::AsClusterTorus;
198   using simgrid::surf::AsClusterFatTree;
199
200   char *host_id, *groups, *link_id = NULL;
201   xbt_dict_t patterns = NULL;
202   int rankId=0;
203
204   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
205   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
206
207   unsigned int iter;
208
209   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
210       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
211     patterns = xbt_dict_new_homogeneous(xbt_free_f);
212     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
213     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
214     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
215   }
216
217   /* Parse the topology attributes.
218    * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
219   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
220   AS.id = cluster->id;
221
222   switch (cluster->topology) {
223   case SURF_CLUSTER_TORUS:
224     AS.routing = A_surfxml_AS_routing_ClusterTorus;
225     break;
226   case SURF_CLUSTER_FAT_TREE:
227     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
228     break;
229   default:
230     AS.routing = A_surfxml_AS_routing_Cluster;
231     break;
232   }
233
234   // What an inventive way of initializing the AS that I have as ancestor :-(
235   sg_platf_new_AS_begin(&AS);
236   simgrid::surf::AsImpl *current_routing = routing_get_current();
237   static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
238
239   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
240       ((AsCluster*)current_routing)->nb_links_per_node_++;
241       ((AsCluster*)current_routing)->has_loopback_=1;
242   }
243
244   if(cluster->limiter_link!=0){
245       ((AsCluster*)current_routing)->nb_links_per_node_++;
246       ((AsCluster*)current_routing)->has_limiter_=1;
247   }
248
249
250   //Make all hosts
251   xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
252   xbt_dynar_foreach(radical_elements, iter, groups) {
253
254     xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
255     int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
256     int end;
257
258     switch (xbt_dynar_length(radical_ends)) {
259     case 1:
260       end = start;
261       break;
262     case 2:
263       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
264       break;
265     default:
266       surf_parse_error("Malformed radical");
267       break;
268     }
269     for (int i = start; i <= end; i++) {
270       host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
271       link_id = bprintf("%s_link_%d", cluster->id, i);
272
273       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
274
275       memset(&host, 0, sizeof(host));
276       host.id = host_id;
277       if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
278         xbt_dict_cursor_t cursor=NULL;
279         char *key,*data;
280         host.properties = xbt_dict_new();
281
282         xbt_dict_foreach(cluster->properties,cursor,key,data) {
283           xbt_dict_set(host.properties, key, xbt_strdup(data),free);
284         }
285       }
286       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
287         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
288         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
289         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
290         if (avail_file && avail_file[0])
291           host.speed_trace = tmgr_trace_new_from_file(avail_file);
292         xbt_free(avail_file);
293       } else {
294         XBT_DEBUG("\tavailability_file=\"\"");
295       }
296
297       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
298         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
299         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
300         if (avail_file && avail_file[0])
301           host.state_trace = tmgr_trace_new_from_file(avail_file);
302         xbt_free(avail_file);
303       } else {
304         XBT_DEBUG("\tstate_file=\"\"");
305       }
306
307       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
308       xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
309       host.pstate = 0;
310
311       //host.power_peak = cluster->power;
312       host.core_amount = cluster->core_amount;
313       host.coord = "";
314       sg_platf_new_host(&host);
315       xbt_dynar_free(&host.speed_per_pstate);
316       XBT_DEBUG("</host>");
317
318       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
319                 cluster->bw, cluster->lat);
320
321
322       s_surf_parsing_link_up_down_t info_lim, info_loop;
323       // All links are saved in a matrix;
324       // every row describes a single node; every node
325       // may have multiple links.
326       // the first column may store a link from x to x if p_has_loopback is set
327       // the second column may store a limiter link if p_has_limiter is set
328       // other columns are to store one or more link for the node
329
330       //add a loopback link
331       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
332         char *tmp_link = bprintf("%s_loopback", link_id);
333         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
334                 cluster->limiter_link);
335
336
337         memset(&link, 0, sizeof(link));
338         link.id        = tmp_link;
339         link.bandwidth = cluster->loopback_bw;
340         link.latency   = cluster->loopback_lat;
341         link.policy    = SURF_LINK_FATPIPE;
342         sg_platf_new_link(&link);
343         info_loop.link_up   = Link::byName(tmp_link);
344         info_loop.link_down = info_loop.link_up;
345         free(tmp_link);
346         xbt_dynar_set(current_routing->upDownLinks, rankId*(static_cast<AsCluster*>(current_routing))->nb_links_per_node_, &info_loop);
347       }
348
349       //add a limiter link (shared link to account for maximal bandwidth of the node)
350       if(cluster->limiter_link!=0){
351         char *tmp_link = bprintf("%s_limiter", link_id);
352         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
353                 cluster->limiter_link);
354
355
356         memset(&link, 0, sizeof(link));
357         link.id = tmp_link;
358         link.bandwidth = cluster->limiter_link;
359         link.latency = 0;
360         link.policy = SURF_LINK_SHARED;
361         sg_platf_new_link(&link);
362         info_lim.link_up = Link::byName(tmp_link);
363         info_lim.link_down = info_lim.link_up;
364         free(tmp_link);
365         auto as_cluster = static_cast<AsCluster*>(current_routing);
366         xbt_dynar_set(current_routing->upDownLinks, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
367
368       }
369
370
371       //call the cluster function that adds the others links
372       if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
373         ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
374       }
375       else {
376       static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
377           static_cast<AsCluster*>(current_routing)->nb_links_per_node_
378           + static_cast<AsCluster*>(current_routing)->has_loopback_
379           + static_cast<AsCluster*>(current_routing)->has_limiter_ );
380       }
381       xbt_free(link_id);
382       xbt_free(host_id);
383       rankId++;
384     }
385
386     xbt_dynar_free(&radical_ends);
387   }
388   xbt_dynar_free(&radical_elements);
389
390   // For fat trees, the links must be created once all nodes have been added
391   if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
392     static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
393   }
394   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
395   // and it's very useful to connect clusters together
396   XBT_DEBUG(" ");
397   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
398   char *newid = NULL;
399   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
400   memset(&router, 0, sizeof(router));
401   router.id = cluster->router_id;
402   router.coord = "";
403   if (!router.id || !strcmp(router.id, ""))
404     router.id = newid =
405         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
406                 cluster->suffix);
407   sg_platf_new_router(&router);
408   ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
409   free(newid);
410
411   //Make the backbone
412   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
413     char *link_backbone = bprintf("%s_backbone", cluster->id);
414     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
415               cluster->bb_bw, cluster->bb_lat);
416
417     memset(&link, 0, sizeof(link));
418     link.id        = link_backbone;
419     link.bandwidth = cluster->bb_bw;
420     link.latency   = cluster->bb_lat;
421     link.policy    = cluster->bb_sharing_policy;
422
423     sg_platf_new_link(&link);
424
425     routing_cluster_add_backbone(Link::byName(link_backbone));
426
427     free(link_backbone);
428   }
429
430   XBT_DEBUG("</AS>");
431   sg_platf_new_AS_end();
432   XBT_DEBUG(" ");
433   xbt_dict_free(&patterns); // no op if it were never set
434
435   simgrid::surf::on_cluster(cluster);
436 }
437 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
438   simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
439
440   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
441   xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
442
443   cluster->backbone_ = bb;
444   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
445 }
446
447 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
448 {
449   int start, end, i;
450   char *groups , *host_id , *link_id = NULL;
451   unsigned int iter;
452   xbt_dynar_t radical_elements;
453   xbt_dynar_t radical_ends;
454
455   //Make all hosts
456   radical_elements = xbt_str_split(cabinet->radical, ",");
457   xbt_dynar_foreach(radical_elements, iter, groups) {
458
459     radical_ends = xbt_str_split(groups, "-");
460     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
461
462     switch (xbt_dynar_length(radical_ends)) {
463     case 1:
464       end = start;
465       break;
466     case 2:
467       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
468       break;
469     default:
470       surf_parse_error("Malformed radical");
471       break;
472     }
473     s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
474     memset(&host, 0, sizeof(host));
475     host.pstate        = 0;
476     host.core_amount   = 1;
477
478     s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
479     memset(&link, 0, sizeof(link));
480     link.policy    = SURF_LINK_FULLDUPLEX;
481     link.latency   = cabinet->lat;
482     link.bandwidth = cabinet->bw;
483
484     s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
485     memset(&host_link, 0, sizeof(host_link));
486
487     for (i = start; i <= end; i++) {
488       host_id                      = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
489       link_id                      = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
490       host.id                      = host_id;
491       link.id                      = link_id;
492       host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
493       xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
494       sg_platf_new_host(&host);
495       xbt_dynar_free(&host.speed_per_pstate);
496       sg_platf_new_link(&link);
497
498       char* link_up       = bprintf("%s_UP",link_id);
499       char* link_down     = bprintf("%s_DOWN",link_id);
500       host_link.id        = host_id;
501       host_link.link_up   = link_up;
502       host_link.link_down = link_down;
503       sg_platf_new_hostlink(&host_link);
504
505       free(host_id);
506       free(link_id);
507       free(link_up);
508       free(link_down);
509     }
510
511     xbt_dynar_free(&radical_ends);
512   }
513   xbt_dynar_free(&radical_elements);
514 }
515
516 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
517 {
518   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
519                "Refusing to add a second storage named \"%s\"", storage->id);
520
521   void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
522   xbt_assert(stype,"No storage type '%s'", storage->type_id);
523
524   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
525       storage->id,
526       storage->type_id,
527       storage->content);
528
529   xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
530
531   // if storage content is not specified use the content of storage_type if any
532   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
533     storage->content = ((storage_type_t) stype)->content;
534     storage->content_type = ((storage_type_t) stype)->content_type;
535     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
536         storage->id,((storage_type_t) stype)->content_type,
537         ((storage_type_t) stype)->type_id);
538   }
539
540   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
541       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
542       "\n\t\tproperties '%p''\n",
543       storage->id,
544       ((storage_type_t) stype)->model,
545       ((storage_type_t) stype)->type_id,
546       storage->content,
547       storage->content_type,
548     storage->properties);
549
550   surf_storage_model->createStorage(storage->id,
551                                      ((storage_type_t) stype)->type_id,
552                                      storage->content,
553                                      storage->content_type,
554                    storage->properties,
555                                      storage->attach);
556 }
557 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
558
559   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
560                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
561
562   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
563   stype->model = xbt_strdup(storage_type->model);
564   stype->properties = storage_type->properties;
565   stype->content = xbt_strdup(storage_type->content);
566   stype->content_type = xbt_strdup(storage_type->content_type);
567   stype->type_id = xbt_strdup(storage_type->id);
568   stype->size = storage_type->size;
569   stype->model_properties = storage_type->model_properties;
570
571   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
572       "content '%s', and content_type '%s'",
573       stype->type_id,
574       stype->model,
575       storage_type->content,
576       storage_type->content_type);
577
578   xbt_lib_set(storage_type_lib,
579       stype->type_id,
580       ROUTING_STORAGE_TYPE_LEVEL,
581       (void *) stype);
582 }
583
584 static void mount_free(void *p)
585 {
586   mount_t mnt = (mount_t) p;
587   xbt_free(mnt->name);
588 }
589
590 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
591   xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
592       "Cannot mount non-existent disk \"%s\"", mount->storageId);
593
594   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
595
596   s_mount_t mnt;
597   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
598   mnt.name = xbt_strdup(mount->name);
599
600   if(!mount_list){
601     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
602     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
603   }
604   xbt_dynar_push(mount_list, &mnt);
605 }
606
607 void sg_platf_new_route(sg_platf_route_cbarg_t route)
608 {
609   routing_get_current()->addRoute(route);
610 }
611
612 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
613 {
614   routing_get_current()->addBypassRoute(bypassRoute);
615 }
616
617 void sg_platf_new_process(sg_platf_process_cbarg_t process)
618 {
619   xbt_assert(simix_global,"Cannot create process without SIMIX.");
620
621   sg_host_t host = sg_host_by_name(process->host);
622   if (!host) {
623     // The requested host does not exist. Do a nice message to the user
624     char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
625     xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
626     free(tmp);
627     xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
628     simgrid::s4u::Host* host;
629     unsigned int cursor;
630     xbt_dynar_foreach(all_hosts,cursor, host) {
631       xbt_strbuff_append(msg,host->name().c_str());
632       xbt_strbuff_append(msg,"', '");
633       if (msg->used > 1024) {
634         msg->data[msg->used-3]='\0';
635         msg->used -= 3;
636
637         xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
638       }
639     }
640     msg->data[msg->used-3]='\0';
641     xbt_die("%s", msg->data);
642   }
643   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
644   xbt_assert(parse_code, "Function '%s' unknown", process->function);
645
646   double start_time = process->start_time;
647   double kill_time  = process->kill_time;
648   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
649
650   smx_process_arg_t arg = NULL;
651   smx_process_t process_created = NULL;
652
653   arg = xbt_new0(s_smx_process_arg_t, 1);
654   arg->code = parse_code;
655   arg->data = NULL;
656   arg->hostname = sg_host_get_name(host);
657   arg->argc = process->argc;
658   arg->argv = xbt_new(char *,process->argc);
659   int i;
660   for (i=0; i<process->argc; i++)
661     arg->argv[i] = xbt_strdup(process->argv[i]);
662   arg->name = xbt_strdup(arg->argv[0]);
663   arg->kill_time = kill_time;
664   arg->properties = current_property_set;
665   if (!sg_host_simix(host)->boot_processes) {
666     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
667   }
668   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
669
670   if (start_time > SIMIX_get_clock()) {
671     arg = xbt_new0(s_smx_process_arg_t, 1);
672     arg->name = (char*)(process->argv)[0];
673     arg->code = parse_code;
674     arg->data = NULL;
675     arg->hostname = sg_host_get_name(host);
676     arg->argc = process->argc;
677     arg->argv = (char**)(process->argv);
678     arg->kill_time = kill_time;
679     arg->properties = current_property_set;
680
681     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
682            arg->hostname, start_time);
683     SIMIX_timer_set(start_time, [](void* arg) {
684       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
685     }, arg);
686   } else {                      // start_time <= SIMIX_get_clock()
687     XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
688
689     if (simix_global->create_process_function)
690       process_created = simix_global->create_process_function(
691           arg->name,
692                                             parse_code,
693                                             NULL,
694                                             sg_host_get_name(host),
695                                             kill_time,
696                                             process->argc,
697                                             (char**)(process->argv),
698                                             current_property_set,
699                                             auto_restart, NULL);
700     else
701       process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
702           (char**)process->argv, current_property_set,auto_restart);
703
704     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
705     if (!process_created) {
706       return;
707     }
708   }
709   current_property_set = NULL;
710 }
711
712 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
713 {
714   using simgrid::surf::NetCard;
715   using simgrid::surf::AsCluster;
716
717   char *host_id = NULL;
718   char *link_id = NULL;
719   char *router_id = NULL;
720
721   XBT_DEBUG(" ");
722   host_id = bprintf("peer_%s", peer->id);
723   link_id = bprintf("link_%s", peer->id);
724   router_id = bprintf("router_%s", peer->id);
725
726   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
727   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
728   AS.id                    = peer->id;
729   AS.routing               = A_surfxml_AS_routing_Cluster;
730   sg_platf_new_AS_begin(&AS);
731
732   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
733   s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
734   memset(&host, 0, sizeof(host));
735   host.id = host_id;
736
737   host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
738   xbt_dynar_push(host.speed_per_pstate,&peer->speed);
739   host.pstate = 0;
740   //host.power_peak = peer->power;
741   host.speed_trace = peer->availability_trace;
742   host.state_trace = peer->state_trace;
743   host.core_amount = 1;
744   sg_platf_new_host(&host);
745   xbt_dynar_free(&host.speed_per_pstate);
746
747   s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
748   memset(&link, 0, sizeof(link));
749   link.policy  = SURF_LINK_SHARED;
750   link.latency = peer->lat;
751
752   char* link_up = bprintf("%s_UP",link_id);
753   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
754   link.id = link_up;
755   link.bandwidth = peer->bw_out;
756   sg_platf_new_link(&link);
757
758   char* link_down = bprintf("%s_DOWN",link_id);
759   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
760   link.id = link_down;
761   link.bandwidth = peer->bw_in;
762   sg_platf_new_link(&link);
763
764   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
765   s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
766   memset(&host_link, 0, sizeof(host_link));
767   host_link.id        = host_id;
768   host_link.link_up   = link_up;
769   host_link.link_down = link_down;
770   sg_platf_new_hostlink(&host_link);
771
772   XBT_DEBUG("<router id=\"%s\"/>", router_id);
773   s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
774   memset(&router, 0, sizeof(router));
775   router.id = router_id;
776   router.coord = peer->coord;
777   sg_platf_new_router(&router);
778   static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
779
780   XBT_DEBUG("</AS>");
781   sg_platf_new_AS_end();
782   XBT_DEBUG(" ");
783
784   //xbt_dynar_free(&tab_elements_num);
785   free(router_id);
786   free(host_id);
787   free(link_id);
788   free(link_up);
789   free(link_down);
790 }
791
792 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
793
794 void sg_platf_end() {
795   simgrid::surf::on_postparse();
796 }
797
798 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
799 static void surf_config_models_setup()
800 {
801   const char *host_model_name;
802   const char *vm_model_name;
803   int host_id = -1;
804   int vm_id = -1;
805   char *network_model_name = NULL;
806   char *cpu_model_name = NULL;
807   int storage_id = -1;
808   char *storage_model_name = NULL;
809
810   host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
811   vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
812   network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
813   cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
814   storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
815
816   /* Check whether we use a net/cpu model differing from the default ones, in which case
817    * we should switch to the "compound" host model to correctly dispatch stuff to
818    * the right net/cpu models.
819    */
820
821   if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
822        !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
823       xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
824     host_model_name = "compound";
825     xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
826   }
827
828   XBT_DEBUG("host model: %s", host_model_name);
829   host_id = find_model_description(surf_host_model_description, host_model_name);
830   if (!strcmp(host_model_name, "compound")) {
831     int network_id = -1;
832     int cpu_id = -1;
833
834     xbt_assert(cpu_model_name,
835                 "Set a cpu model to use with the 'compound' host model");
836
837     xbt_assert(network_model_name,
838                 "Set a network model to use with the 'compound' host model");
839
840     if(surf_cpu_model_init_preparse){
841       surf_cpu_model_init_preparse();
842     } else {
843       cpu_id =
844           find_model_description(surf_cpu_model_description, cpu_model_name);
845       surf_cpu_model_description[cpu_id].model_init_preparse();
846     }
847
848     network_id =
849         find_model_description(surf_network_model_description,
850                                network_model_name);
851     surf_network_model_description[network_id].model_init_preparse();
852   }
853
854   XBT_DEBUG("Call host_model_init");
855   surf_host_model_description[host_id].model_init_preparse();
856
857   XBT_DEBUG("Call vm_model_init");
858   vm_id = find_model_description(surf_vm_model_description, vm_model_name);
859   surf_vm_model_description[vm_id].model_init_preparse();
860
861   XBT_DEBUG("Call storage_model_init");
862   storage_id = find_model_description(surf_storage_model_description, storage_model_name);
863   surf_storage_model_description[storage_id].model_init_preparse();
864
865 }
866
867 /**
868  * \brief Make a new routing component to the platform
869  *
870  * Add a new autonomous system to the platform. Any elements (such as host,
871  * router or sub-AS) added after this call and before the corresponding call
872  * to sg_platf_new_AS_close() will be added to this AS.
873  *
874  * Once this function was called, the configuration concerning the used
875  * models cannot be changed anymore.
876  *
877  * @param AS_id name of this autonomous system. Must be unique in the platform
878  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
879  */
880 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
881 {
882   if (!surf_parse_models_setup_already_called) {
883     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
884      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
885      *
886      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
887      * (FIXME: check it out by creating a file beginning with one of these tags)
888      * but cluster and peer create ASes internally, so putting the code in there is ok.
889      */
890     surf_parse_models_setup_already_called = 1;
891     surf_config_models_setup();
892   }
893
894   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
895       "Refusing to create a second AS called \"%s\".", AS->id);
896
897   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
898                             * any further config now that we created some real content */
899
900
901   /* search the routing model */
902   simgrid::surf::AsImpl *new_as = NULL;
903   switch(AS->routing){
904     case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
905     case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
906     case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
907     case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
908     case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
909     case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
910     case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
911     case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
912     case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
913     default:                                  xbt_die("Not a valid model!");                        break;
914   }
915
916   /* make a new routing component */
917   simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
918
919   if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
920     routing_platf->root_ = new_as;
921   } else if (current_routing != NULL && routing_platf->root_ != NULL) {
922
923     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
924                "The AS \"%s\" already exists", AS->id);
925     /* it is a part of the tree */
926     new_as->father_ = current_routing;
927     /* set the father behavior */
928     if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
929       current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
930     /* add to the sons dictionary */
931     xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
932   } else {
933     THROWF(arg_error, 0, "All defined components must belong to a AS");
934   }
935
936   xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
937   XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
938
939   /* set the new current component of the tree */
940   current_routing = new_as;
941   current_routing->netcard_ = netcard;
942
943   simgrid::surf::asCreatedCallbacks(new_as);
944   if (TRACE_is_enabled())
945     sg_instr_AS_begin(AS);
946 }
947
948 /**
949  * \brief Specify that the current description of AS is finished
950  *
951  * Once you've declared all the content of your AS, you have to close
952  * it with this call. Your AS is not usable until you call this function.
953  */
954 void sg_platf_new_AS_end()
955 {
956   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
957   current_routing->seal();
958   current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
959
960   if (TRACE_is_enabled())
961     sg_instr_AS_end();
962 }
963
964 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
965 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
966 {
967   simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
968   xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
969   xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
970              dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
971       "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
972
973   s_surf_parsing_link_up_down_t link_up_down;
974   link_up_down.link_up = Link::byName(netcard_arg->link_up);
975   link_up_down.link_down = Link::byName(netcard_arg->link_down);
976
977   xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
978   xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
979
980   // If dynar is is greater than netcard id and if the host_link is already defined
981   if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
982       xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
983   surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
984
985   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
986   xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
987 }