1 /* Copyright (c) 2006-2014. The SimGrid Team.
2 * All rights reserved. */
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. */
11 #include "xbt/RngStream.h"
12 #include <xbt/signal.hpp>
13 #include "src/surf/HostImpl.hpp"
14 #include "surf/surf.h"
16 #include "src/simix/smx_private.h"
18 #include "src/include/simgrid/sg_config.h"
19 #include "src/surf/xml/platf_private.hpp"
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
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"
35 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
37 XBT_PRIVATE xbt_dynar_t mount_list = NULL;
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;
49 static int surf_parse_models_setup_already_called = 0;
51 /** The current AS in the parsing */
52 static simgrid::surf::AsImpl *current_routing = NULL;
53 static simgrid::surf::AsImpl* routing_get_current()
55 return current_routing;
58 /** Module management function: creates all internal data structures */
59 void sg_platf_init(void) {
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();
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();
73 /** @brief Add an "host" to the current AS */
74 void sg_platf_new_host(sg_platf_host_cbarg_t host)
76 xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
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;
82 simgrid::surf::NetCard *netcard =
83 new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
85 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
86 h->pimpl_netcard = netcard;
89 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
93 if (host->coord && strcmp(host->coord, "")) {
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);
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);
111 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
112 host->speed_per_pstate,
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);
120 if (host->pstate != 0)
121 cpu->setPState(host->pstate);
123 simgrid::s4u::Host::onCreation(*h);
125 if (TRACE_is_enabled() && TRACE_needs_platform())
126 sg_instr_new_host(host);
130 * \brief Add a "router" to the network element list
132 void sg_platf_new_router(sg_platf_router_cbarg_t router)
134 simgrid::surf::AsImpl* current_routing = routing_get_current();
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);
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());
146 if (router->coord && strcmp(router->coord, "")) {
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);
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);
165 if (TRACE_is_enabled() && TRACE_needs_platform())
166 sg_instr_new_router(router);
169 void sg_platf_new_link(sg_platf_link_cbarg_t link){
170 std::vector<char*> names;
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));
176 names.push_back(xbt_strdup(link->id));
178 for (auto link_name : names) {
179 Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
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);
191 simgrid::surf::on_link(link);
194 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
196 using simgrid::surf::AsCluster;
197 using simgrid::surf::AsClusterTorus;
198 using simgrid::surf::AsClusterFatTree;
200 char *host_id, *groups, *link_id = NULL;
201 xbt_dict_t patterns = NULL;
204 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
205 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
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);
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;
222 switch (cluster->topology) {
223 case SURF_CLUSTER_TORUS:
224 AS.routing = A_surfxml_AS_routing_ClusterTorus;
226 case SURF_CLUSTER_FAT_TREE:
227 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
230 AS.routing = A_surfxml_AS_routing_Cluster;
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);
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;
244 if(cluster->limiter_link!=0){
245 ((AsCluster*)current_routing)->nb_links_per_node_++;
246 ((AsCluster*)current_routing)->has_limiter_=1;
251 xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
252 xbt_dynar_foreach(radical_elements, iter, groups) {
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 *));
258 switch (xbt_dynar_length(radical_ends)) {
263 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
266 surf_parse_error("Malformed radical");
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);
273 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
275 memset(&host, 0, sizeof(host));
277 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
278 xbt_dict_cursor_t cursor=NULL;
280 host.properties = xbt_dict_new();
282 xbt_dict_foreach(cluster->properties,cursor,key,data) {
283 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
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);
294 XBT_DEBUG("\tavailability_file=\"\"");
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);
304 XBT_DEBUG("\tstate_file=\"\"");
307 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
308 xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
311 //host.power_peak = cluster->power;
312 host.core_amount = cluster->core_amount;
314 sg_platf_new_host(&host);
315 xbt_dynar_free(&host.speed_per_pstate);
316 XBT_DEBUG("</host>");
318 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
319 cluster->bw, cluster->lat);
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
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);
337 memset(&link, 0, sizeof(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;
346 auto as_cluster = static_cast<AsCluster*>(current_routing);
347 xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->nb_links_per_node_, &info_loop);
350 //add a limiter link (shared link to account for maximal bandwidth of the node)
351 if(cluster->limiter_link!=0){
352 char *tmp_link = bprintf("%s_limiter", link_id);
353 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
354 cluster->limiter_link);
357 memset(&link, 0, sizeof(link));
359 link.bandwidth = cluster->limiter_link;
361 link.policy = SURF_LINK_SHARED;
362 sg_platf_new_link(&link);
363 info_lim.link_up = Link::byName(tmp_link);
364 info_lim.link_down = info_lim.link_up;
366 auto as_cluster = static_cast<AsCluster*>(current_routing);
367 xbt_dynar_set(as_cluster->privateLinks_, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
372 //call the cluster function that adds the others links
373 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
374 ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
377 static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
378 static_cast<AsCluster*>(current_routing)->nb_links_per_node_
379 + static_cast<AsCluster*>(current_routing)->has_loopback_
380 + static_cast<AsCluster*>(current_routing)->has_limiter_ );
387 xbt_dynar_free(&radical_ends);
389 xbt_dynar_free(&radical_elements);
391 // For fat trees, the links must be created once all nodes have been added
392 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
393 static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
395 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
396 // and it's very useful to connect clusters together
398 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
400 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
401 memset(&router, 0, sizeof(router));
402 router.id = cluster->router_id;
404 if (!router.id || !strcmp(router.id, ""))
406 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
408 sg_platf_new_router(&router);
409 ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
413 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
414 char *link_backbone = bprintf("%s_backbone", cluster->id);
415 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
416 cluster->bb_bw, cluster->bb_lat);
418 memset(&link, 0, sizeof(link));
419 link.id = link_backbone;
420 link.bandwidth = cluster->bb_bw;
421 link.latency = cluster->bb_lat;
422 link.policy = cluster->bb_sharing_policy;
424 sg_platf_new_link(&link);
426 routing_cluster_add_backbone(Link::byName(link_backbone));
432 sg_platf_new_AS_end();
434 xbt_dict_free(&patterns); // no op if it were never set
436 simgrid::surf::on_cluster(cluster);
438 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
439 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
441 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
442 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
444 cluster->backbone_ = bb;
445 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
448 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
451 char *groups , *host_id , *link_id = NULL;
453 xbt_dynar_t radical_elements;
454 xbt_dynar_t radical_ends;
457 radical_elements = xbt_str_split(cabinet->radical, ",");
458 xbt_dynar_foreach(radical_elements, iter, groups) {
460 radical_ends = xbt_str_split(groups, "-");
461 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
463 switch (xbt_dynar_length(radical_ends)) {
468 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
471 surf_parse_error("Malformed radical");
474 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
475 memset(&host, 0, sizeof(host));
477 host.core_amount = 1;
479 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
480 memset(&link, 0, sizeof(link));
481 link.policy = SURF_LINK_FULLDUPLEX;
482 link.latency = cabinet->lat;
483 link.bandwidth = cabinet->bw;
485 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
486 memset(&host_link, 0, sizeof(host_link));
488 for (i = start; i <= end; i++) {
489 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
490 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
493 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
494 xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
495 sg_platf_new_host(&host);
496 xbt_dynar_free(&host.speed_per_pstate);
497 sg_platf_new_link(&link);
499 char* link_up = bprintf("%s_UP",link_id);
500 char* link_down = bprintf("%s_DOWN",link_id);
501 host_link.id = host_id;
502 host_link.link_up = link_up;
503 host_link.link_down = link_down;
504 sg_platf_new_hostlink(&host_link);
512 xbt_dynar_free(&radical_ends);
514 xbt_dynar_free(&radical_elements);
517 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
519 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
520 "Refusing to add a second storage named \"%s\"", storage->id);
522 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
523 xbt_assert(stype,"No storage type '%s'", storage->type_id);
525 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
530 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
532 // if storage content is not specified use the content of storage_type if any
533 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
534 storage->content = ((storage_type_t) stype)->content;
535 storage->content_type = ((storage_type_t) stype)->content_type;
536 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
537 storage->id,((storage_type_t) stype)->content_type,
538 ((storage_type_t) stype)->type_id);
541 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
542 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
543 "\n\t\tproperties '%p''\n",
545 ((storage_type_t) stype)->model,
546 ((storage_type_t) stype)->type_id,
548 storage->content_type,
549 storage->properties);
551 surf_storage_model->createStorage(storage->id,
552 ((storage_type_t) stype)->type_id,
554 storage->content_type,
558 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
560 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
561 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
563 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
564 stype->model = xbt_strdup(storage_type->model);
565 stype->properties = storage_type->properties;
566 stype->content = xbt_strdup(storage_type->content);
567 stype->content_type = xbt_strdup(storage_type->content_type);
568 stype->type_id = xbt_strdup(storage_type->id);
569 stype->size = storage_type->size;
570 stype->model_properties = storage_type->model_properties;
572 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
573 "content '%s', and content_type '%s'",
576 storage_type->content,
577 storage_type->content_type);
579 xbt_lib_set(storage_type_lib,
581 ROUTING_STORAGE_TYPE_LEVEL,
585 static void mount_free(void *p)
587 mount_t mnt = (mount_t) p;
591 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
592 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
593 "Cannot mount non-existent disk \"%s\"", mount->storageId);
595 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
598 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
599 mnt.name = xbt_strdup(mount->name);
602 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
603 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
605 xbt_dynar_push(mount_list, &mnt);
608 void sg_platf_new_route(sg_platf_route_cbarg_t route)
610 routing_get_current()->addRoute(route);
613 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
615 routing_get_current()->addBypassRoute(bypassRoute);
618 void sg_platf_new_process(sg_platf_process_cbarg_t process)
620 xbt_assert(simix_global,"Cannot create process without SIMIX.");
622 sg_host_t host = sg_host_by_name(process->host);
624 // The requested host does not exist. Do a nice message to the user
625 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
626 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
628 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
629 simgrid::s4u::Host* host;
631 xbt_dynar_foreach(all_hosts,cursor, host) {
632 xbt_strbuff_append(msg,host->name().c_str());
633 xbt_strbuff_append(msg,"', '");
634 if (msg->used > 1024) {
635 msg->data[msg->used-3]='\0';
638 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
641 msg->data[msg->used-3]='\0';
642 xbt_die("%s", msg->data);
644 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
645 xbt_assert(parse_code, "Function '%s' unknown", process->function);
647 double start_time = process->start_time;
648 double kill_time = process->kill_time;
649 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
651 smx_process_arg_t arg = NULL;
652 smx_process_t process_created = NULL;
654 arg = xbt_new0(s_smx_process_arg_t, 1);
655 arg->code = parse_code;
657 arg->hostname = sg_host_get_name(host);
658 arg->argc = process->argc;
659 arg->argv = xbt_new(char *,process->argc);
661 for (i=0; i<process->argc; i++)
662 arg->argv[i] = xbt_strdup(process->argv[i]);
663 arg->name = xbt_strdup(arg->argv[0]);
664 arg->kill_time = kill_time;
665 arg->properties = current_property_set;
666 if (!sg_host_simix(host)->boot_processes) {
667 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
669 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
671 if (start_time > SIMIX_get_clock()) {
672 arg = xbt_new0(s_smx_process_arg_t, 1);
673 arg->name = (char*)(process->argv)[0];
674 arg->code = parse_code;
676 arg->hostname = sg_host_get_name(host);
677 arg->argc = process->argc;
678 arg->argv = (char**)(process->argv);
679 arg->kill_time = kill_time;
680 arg->properties = current_property_set;
682 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
683 arg->hostname, start_time);
684 SIMIX_timer_set(start_time, [](void* arg) {
685 SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
687 } else { // start_time <= SIMIX_get_clock()
688 XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
690 if (simix_global->create_process_function)
691 process_created = simix_global->create_process_function(
695 sg_host_get_name(host),
698 (char**)(process->argv),
699 current_property_set,
702 process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
703 (char**)process->argv, current_property_set,auto_restart);
705 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
706 if (!process_created) {
710 current_property_set = NULL;
713 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
715 using simgrid::surf::NetCard;
716 using simgrid::surf::AsCluster;
718 char *host_id = bprintf("peer_%s", peer->id);
719 char *router_id = bprintf("router_%s", peer->id);
723 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
724 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
726 AS.routing = A_surfxml_AS_routing_Cluster;
727 sg_platf_new_AS_begin(&AS);
729 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
730 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
731 memset(&host, 0, sizeof(host));
734 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
735 xbt_dynar_push(host.speed_per_pstate,&peer->speed);
737 host.speed_trace = peer->availability_trace;
738 host.state_trace = peer->state_trace;
739 host.core_amount = 1;
740 sg_platf_new_host(&host);
741 xbt_dynar_free(&host.speed_per_pstate);
743 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
744 memset(&link, 0, sizeof(link));
745 link.policy = SURF_LINK_SHARED;
746 link.latency = peer->lat;
748 char* link_up = bprintf("link_%s_UP",peer->id);
749 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
751 link.bandwidth = peer->bw_out;
752 sg_platf_new_link(&link);
754 char* link_down = bprintf("link_%s_DOWN",peer->id);
755 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
757 link.bandwidth = peer->bw_in;
758 sg_platf_new_link(&link);
760 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
761 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
762 memset(&host_link, 0, sizeof(host_link));
763 host_link.id = host_id;
764 host_link.link_up = link_up;
765 host_link.link_down = link_down;
766 sg_platf_new_hostlink(&host_link);
770 XBT_DEBUG("<router id=\"%s\"/>", router_id);
771 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
772 memset(&router, 0, sizeof(router));
773 router.id = router_id;
774 router.coord = peer->coord;
775 sg_platf_new_router(&router);
776 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
779 sg_platf_new_AS_end();
786 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
788 void sg_platf_end() {
789 simgrid::surf::on_postparse();
792 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
793 static void surf_config_models_setup()
795 const char *host_model_name;
796 const char *vm_model_name;
799 char *network_model_name = NULL;
800 char *cpu_model_name = NULL;
802 char *storage_model_name = NULL;
804 host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
805 vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
806 network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
807 cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
808 storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
810 /* Check whether we use a net/cpu model differing from the default ones, in which case
811 * we should switch to the "compound" host model to correctly dispatch stuff to
812 * the right net/cpu models.
815 if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
816 !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
817 xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
818 host_model_name = "compound";
819 xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
822 XBT_DEBUG("host model: %s", host_model_name);
823 host_id = find_model_description(surf_host_model_description, host_model_name);
824 if (!strcmp(host_model_name, "compound")) {
828 xbt_assert(cpu_model_name,
829 "Set a cpu model to use with the 'compound' host model");
831 xbt_assert(network_model_name,
832 "Set a network model to use with the 'compound' host model");
834 if(surf_cpu_model_init_preparse){
835 surf_cpu_model_init_preparse();
838 find_model_description(surf_cpu_model_description, cpu_model_name);
839 surf_cpu_model_description[cpu_id].model_init_preparse();
843 find_model_description(surf_network_model_description,
845 surf_network_model_description[network_id].model_init_preparse();
848 XBT_DEBUG("Call host_model_init");
849 surf_host_model_description[host_id].model_init_preparse();
851 XBT_DEBUG("Call vm_model_init");
852 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
853 surf_vm_model_description[vm_id].model_init_preparse();
855 XBT_DEBUG("Call storage_model_init");
856 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
857 surf_storage_model_description[storage_id].model_init_preparse();
862 * \brief Make a new routing component to the platform
864 * Add a new autonomous system to the platform. Any elements (such as host,
865 * router or sub-AS) added after this call and before the corresponding call
866 * to sg_platf_new_AS_close() will be added to this AS.
868 * Once this function was called, the configuration concerning the used
869 * models cannot be changed anymore.
871 * @param AS_id name of this autonomous system. Must be unique in the platform
872 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
874 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
876 if (!surf_parse_models_setup_already_called) {
877 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
878 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
880 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
881 * (FIXME: check it out by creating a file beginning with one of these tags)
882 * but cluster and peer create ASes internally, so putting the code in there is ok.
884 surf_parse_models_setup_already_called = 1;
885 surf_config_models_setup();
888 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
889 "Refusing to create a second AS called \"%s\".", AS->id);
891 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
892 * any further config now that we created some real content */
895 /* search the routing model */
896 simgrid::surf::AsImpl *new_as = NULL;
898 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
899 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
900 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
901 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
902 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
903 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
904 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
905 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
906 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
907 default: xbt_die("Not a valid model!"); break;
910 /* make a new routing component */
911 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
913 if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
914 routing_platf->root_ = new_as;
915 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
917 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
918 "The AS \"%s\" already exists", AS->id);
919 /* it is a part of the tree */
920 new_as->father_ = current_routing;
921 /* set the father behavior */
922 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
923 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
924 /* add to the sons dictionary */
925 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
927 THROWF(arg_error, 0, "All defined components must belong to a AS");
930 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
931 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
933 /* set the new current component of the tree */
934 current_routing = new_as;
935 current_routing->netcard_ = netcard;
937 simgrid::surf::asCreatedCallbacks(new_as);
938 if (TRACE_is_enabled())
939 sg_instr_AS_begin(AS);
943 * \brief Specify that the current description of AS is finished
945 * Once you've declared all the content of your AS, you have to close
946 * it with this call. Your AS is not usable until you call this function.
948 void sg_platf_new_AS_end()
950 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
951 current_routing->seal();
952 current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
954 if (TRACE_is_enabled())
958 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
959 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
961 simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
962 xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
963 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
964 "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
966 s_surf_parsing_link_up_down_t link_up_down;
967 link_up_down.link_up = Link::byName(hostlink->link_up);
968 link_up_down.link_down = Link::byName(hostlink->link_down);
970 xbt_assert(link_up_down.link_up, "Link '%s' not found!",hostlink->link_up);
971 xbt_assert(link_up_down.link_down, "Link '%s' not found!",hostlink->link_down);
973 // If dynar is is greater than netcard id and if the host_link is already defined
974 auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
975 if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
976 xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
977 surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
979 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
980 xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);