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, SURF_NETWORK_ELEMENT_HOST, current_routing);
85 netcard->setId(current_routing->addComponent(netcard));
86 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
87 h->pimpl_netcard = netcard;
88 simgrid::surf::netcardCreatedCallbacks(netcard);
91 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
95 if (host->coord && strcmp(host->coord, "")) {
99 xbt_assert(COORD_HOST_LEVEL, "To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
100 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
101 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
102 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
103 xbt_dynar_foreach(ctn_str,cursor, str) {
104 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
105 xbt_dynar_push(ctn,&val);
107 xbt_dynar_shrink(ctn, 0);
108 xbt_dynar_free(&ctn_str);
109 h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
110 XBT_DEBUG("Having set host coordinates for '%s'",host->id);
113 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h,
114 host->speed_per_pstate,
116 if (host->state_trace)
117 cpu->setStateTrace(host->state_trace);
118 if (host->speed_trace)
119 cpu->setSpeedTrace(host->speed_trace);
120 surf_host_model->createHost(host->id, netcard, cpu, host->properties)->attach(h);
122 if (host->pstate != 0)
123 cpu->setPState(host->pstate);
125 simgrid::s4u::Host::onCreation(*h);
127 if (TRACE_is_enabled() && TRACE_needs_platform())
128 sg_instr_new_host(host);
132 * \brief Add a "router" to the network element list
134 void sg_platf_new_router(sg_platf_router_cbarg_t router)
136 simgrid::surf::AsImpl* current_routing = routing_get_current();
138 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
139 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
140 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
141 "Refusing to create a router named '%s': this name already describes a node.", router->id);
143 simgrid::surf::NetCard *netcard =
144 new simgrid::surf::NetCardImpl(router->id, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
145 netcard->setId(current_routing->addComponent(netcard));
146 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
147 XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
148 simgrid::surf::netcardCreatedCallbacks(netcard);
150 if (router->coord && strcmp(router->coord, "")) {
154 if (!COORD_ASR_LEVEL)
155 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
156 /* Pre-parse the host coordinates */
157 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
158 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
159 xbt_dynar_foreach(ctn_str,cursor, str) {
160 double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
161 xbt_dynar_push(ctn,&val);
163 xbt_dynar_shrink(ctn, 0);
164 xbt_dynar_free(&ctn_str);
165 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
166 XBT_DEBUG("Having set router coordinates for '%s'",router->id);
169 if (TRACE_is_enabled() && TRACE_needs_platform())
170 sg_instr_new_router(router);
173 void sg_platf_new_link(sg_platf_link_cbarg_t link){
174 std::vector<char*> names;
176 if (link->policy == SURF_LINK_FULLDUPLEX) {
177 names.push_back(bprintf("%s_UP", link->id));
178 names.push_back(bprintf("%s_DOWN", link->id));
180 names.push_back(xbt_strdup(link->id));
182 for (auto link_name : names) {
183 Link *l = surf_network_model->createLink(link_name, link->bandwidth, link->latency, link->policy, link->properties);
185 if (link->latency_trace)
186 l->setLatencyTrace(link->latency_trace);
187 if (link->bandwidth_trace)
188 l->setBandwidthTrace(link->bandwidth_trace);
189 if (link->state_trace)
190 l->setStateTrace(link->state_trace);
195 simgrid::surf::on_link(link);
198 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
200 using simgrid::surf::AsCluster;
201 using simgrid::surf::AsClusterTorus;
202 using simgrid::surf::AsClusterFatTree;
204 char *host_id, *groups, *link_id = NULL;
205 xbt_dict_t patterns = NULL;
208 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
209 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
213 if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
214 || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
215 patterns = xbt_dict_new_homogeneous(xbt_free_f);
216 xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
217 xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
218 xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
221 /* Parse the topology attributes.
222 * Nothing to do in a vanilla cluster, but that's another story for torus and flat_trees */
223 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
226 switch (cluster->topology) {
227 case SURF_CLUSTER_TORUS:
228 AS.routing = A_surfxml_AS_routing_ClusterTorus;
230 case SURF_CLUSTER_FAT_TREE:
231 AS.routing = A_surfxml_AS_routing_ClusterFatTree;
234 AS.routing = A_surfxml_AS_routing_Cluster;
238 // What an inventive way of initializing the AS that I have as ancestor :-(
239 sg_platf_new_AS_begin(&AS);
240 simgrid::surf::AsImpl *current_routing = routing_get_current();
241 static_cast<AsCluster*>(current_routing)->parse_specific_arguments(cluster);
243 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
244 ((AsCluster*)current_routing)->nb_links_per_node_++;
245 ((AsCluster*)current_routing)->has_loopback_=1;
248 if(cluster->limiter_link!=0){
249 ((AsCluster*)current_routing)->nb_links_per_node_++;
250 ((AsCluster*)current_routing)->has_limiter_=1;
255 xbt_dynar_t radical_elements = xbt_str_split(cluster->radical, ",");
256 xbt_dynar_foreach(radical_elements, iter, groups) {
258 xbt_dynar_t radical_ends = xbt_str_split(groups, "-");
259 int start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
262 switch (xbt_dynar_length(radical_ends)) {
267 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
270 surf_parse_error("Malformed radical");
273 for (int i = start; i <= end; i++) {
274 host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
275 link_id = bprintf("%s_link_%d", cluster->id, i);
277 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->speed);
279 memset(&host, 0, sizeof(host));
281 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
282 xbt_dict_cursor_t cursor=NULL;
284 host.properties = xbt_dict_new();
286 xbt_dict_foreach(cluster->properties,cursor,key,data) {
287 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
290 if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
291 xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
292 char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
293 XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
294 if (avail_file && avail_file[0])
295 host.speed_trace = tmgr_trace_new_from_file(avail_file);
296 xbt_free(avail_file);
298 XBT_DEBUG("\tavailability_file=\"\"");
301 if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
302 char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
303 XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
304 if (avail_file && avail_file[0])
305 host.state_trace = tmgr_trace_new_from_file(avail_file);
306 xbt_free(avail_file);
308 XBT_DEBUG("\tstate_file=\"\"");
311 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
312 xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
315 //host.power_peak = cluster->power;
316 host.core_amount = cluster->core_amount;
318 sg_platf_new_host(&host);
319 xbt_dynar_free(&host.speed_per_pstate);
320 XBT_DEBUG("</host>");
322 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
323 cluster->bw, cluster->lat);
326 s_surf_parsing_link_up_down_t info_lim, info_loop;
327 // All links are saved in a matrix;
328 // every row describes a single node; every node
329 // may have multiple links.
330 // the first column may store a link from x to x if p_has_loopback is set
331 // the second column may store a limiter link if p_has_limiter is set
332 // other columns are to store one or more link for the node
334 //add a loopback link
335 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
336 char *tmp_link = bprintf("%s_loopback", link_id);
337 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
338 cluster->limiter_link);
341 memset(&link, 0, sizeof(link));
343 link.bandwidth = cluster->loopback_bw;
344 link.latency = cluster->loopback_lat;
345 link.policy = SURF_LINK_FATPIPE;
346 sg_platf_new_link(&link);
347 info_loop.link_up = Link::byName(tmp_link);
348 info_loop.link_down = info_loop.link_up;
350 xbt_dynar_set(current_routing->upDownLinks, rankId*(static_cast<AsCluster*>(current_routing))->nb_links_per_node_, &info_loop);
353 //add a limiter link (shared link to account for maximal bandwidth of the node)
354 if(cluster->limiter_link!=0){
355 char *tmp_link = bprintf("%s_limiter", link_id);
356 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
357 cluster->limiter_link);
360 memset(&link, 0, sizeof(link));
362 link.bandwidth = cluster->limiter_link;
364 link.policy = SURF_LINK_SHARED;
365 sg_platf_new_link(&link);
366 info_lim.link_up = Link::byName(tmp_link);
367 info_lim.link_down = info_lim.link_up;
369 auto as_cluster = static_cast<AsCluster*>(current_routing);
370 xbt_dynar_set(current_routing->upDownLinks, rankId*(as_cluster)->nb_links_per_node_ + as_cluster->has_loopback_ , &info_lim);
375 //call the cluster function that adds the others links
376 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
377 ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
380 static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
381 static_cast<AsCluster*>(current_routing)->nb_links_per_node_
382 + static_cast<AsCluster*>(current_routing)->has_loopback_
383 + static_cast<AsCluster*>(current_routing)->has_limiter_ );
390 xbt_dynar_free(&radical_ends);
392 xbt_dynar_free(&radical_elements);
394 // For fat trees, the links must be created once all nodes have been added
395 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
396 static_cast<simgrid::surf::AsClusterFatTree*>(current_routing)->create_links();
398 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
399 // and it's very useful to connect clusters together
401 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
403 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
404 memset(&router, 0, sizeof(router));
405 router.id = cluster->router_id;
407 if (!router.id || !strcmp(router.id, ""))
409 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
411 sg_platf_new_router(&router);
412 ((AsCluster*)current_routing)->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
416 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
417 char *link_backbone = bprintf("%s_backbone", cluster->id);
418 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
419 cluster->bb_bw, cluster->bb_lat);
421 memset(&link, 0, sizeof(link));
422 link.id = link_backbone;
423 link.bandwidth = cluster->bb_bw;
424 link.latency = cluster->bb_lat;
425 link.policy = cluster->bb_sharing_policy;
427 sg_platf_new_link(&link);
429 routing_cluster_add_backbone(Link::byName(link_backbone));
435 sg_platf_new_AS_end();
437 xbt_dict_free(&patterns); // no op if it were never set
439 simgrid::surf::on_cluster(cluster);
441 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
442 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
444 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
445 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name());
447 cluster->backbone_ = bb;
448 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name());
451 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
454 char *groups , *host_id , *link_id = NULL;
456 xbt_dynar_t radical_elements;
457 xbt_dynar_t radical_ends;
460 radical_elements = xbt_str_split(cabinet->radical, ",");
461 xbt_dynar_foreach(radical_elements, iter, groups) {
463 radical_ends = xbt_str_split(groups, "-");
464 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
466 switch (xbt_dynar_length(radical_ends)) {
471 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
474 surf_parse_error("Malformed radical");
477 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
478 memset(&host, 0, sizeof(host));
480 host.core_amount = 1;
482 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
483 memset(&link, 0, sizeof(link));
484 link.policy = SURF_LINK_FULLDUPLEX;
485 link.latency = cabinet->lat;
486 link.bandwidth = cabinet->bw;
488 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
489 memset(&host_link, 0, sizeof(host_link));
491 for (i = start; i <= end; i++) {
492 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
493 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
496 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
497 xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
498 sg_platf_new_host(&host);
499 xbt_dynar_free(&host.speed_per_pstate);
500 sg_platf_new_link(&link);
502 char* link_up = bprintf("%s_UP",link_id);
503 char* link_down = bprintf("%s_DOWN",link_id);
504 host_link.id = host_id;
505 host_link.link_up = link_up;
506 host_link.link_down = link_down;
507 sg_platf_new_hostlink(&host_link);
515 xbt_dynar_free(&radical_ends);
517 xbt_dynar_free(&radical_elements);
520 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
522 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
523 "Refusing to add a second storage named \"%s\"", storage->id);
525 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
526 xbt_assert(stype,"No storage type '%s'", storage->type_id);
528 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
533 xbt_lib_set(storage_lib, storage->id, ROUTING_STORAGE_LEVEL, (void *) xbt_strdup(storage->type_id));
535 // if storage content is not specified use the content of storage_type if any
536 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
537 storage->content = ((storage_type_t) stype)->content;
538 storage->content_type = ((storage_type_t) stype)->content_type;
539 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
540 storage->id,((storage_type_t) stype)->content_type,
541 ((storage_type_t) stype)->type_id);
544 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
545 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
546 "\n\t\tproperties '%p''\n",
548 ((storage_type_t) stype)->model,
549 ((storage_type_t) stype)->type_id,
551 storage->content_type,
552 storage->properties);
554 surf_storage_model->createStorage(storage->id,
555 ((storage_type_t) stype)->type_id,
557 storage->content_type,
561 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
563 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
564 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
566 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
567 stype->model = xbt_strdup(storage_type->model);
568 stype->properties = storage_type->properties;
569 stype->content = xbt_strdup(storage_type->content);
570 stype->content_type = xbt_strdup(storage_type->content_type);
571 stype->type_id = xbt_strdup(storage_type->id);
572 stype->size = storage_type->size;
573 stype->model_properties = storage_type->model_properties;
575 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
576 "content '%s', and content_type '%s'",
579 storage_type->content,
580 storage_type->content_type);
582 xbt_lib_set(storage_type_lib,
584 ROUTING_STORAGE_TYPE_LEVEL,
587 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
592 static void mount_free(void *p)
594 mount_t mnt = (mount_t) p;
598 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
599 // Verification of an existing storage
600 xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
601 "Cannot mount non-existent disk \"%s\"", mount->storageId);
603 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
606 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
607 mnt.name = xbt_strdup(mount->name);
610 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
611 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
613 xbt_dynar_push(mount_list, &mnt);
616 void sg_platf_new_route(sg_platf_route_cbarg_t route)
618 routing_get_current()->addRoute(route);
621 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
623 routing_get_current()->addBypassRoute(bypassRoute);
626 void sg_platf_new_process(sg_platf_process_cbarg_t process)
628 xbt_assert(simix_global,"Cannot create process without SIMIX.");
630 sg_host_t host = sg_host_by_name(process->host);
632 // The requested host does not exist. Do a nice message to the user
633 char *tmp = bprintf("Cannot create process '%s': host '%s' does not exist\nExisting hosts: '",process->function, process->host);
634 xbt_strbuff_t msg = xbt_strbuff_new_from(tmp);
636 xbt_dynar_t all_hosts = xbt_dynar_sort_strings(sg_hosts_as_dynar());
637 simgrid::s4u::Host* host;
639 xbt_dynar_foreach(all_hosts,cursor, host) {
640 xbt_strbuff_append(msg,host->name().c_str());
641 xbt_strbuff_append(msg,"', '");
642 if (msg->used > 1024) {
643 msg->data[msg->used-3]='\0';
646 xbt_strbuff_append(msg," ...(list truncated)......");// That will be shortened by 3 chars when existing the loop
649 msg->data[msg->used-3]='\0';
650 xbt_die("%s", msg->data);
652 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
653 xbt_assert(parse_code, "Function '%s' unknown", process->function);
655 double start_time = process->start_time;
656 double kill_time = process->kill_time;
657 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
659 smx_process_arg_t arg = NULL;
660 smx_process_t process_created = NULL;
662 arg = xbt_new0(s_smx_process_arg_t, 1);
663 arg->code = parse_code;
665 arg->hostname = sg_host_get_name(host);
666 arg->argc = process->argc;
667 arg->argv = xbt_new(char *,process->argc);
669 for (i=0; i<process->argc; i++)
670 arg->argv[i] = xbt_strdup(process->argv[i]);
671 arg->name = xbt_strdup(arg->argv[0]);
672 arg->kill_time = kill_time;
673 arg->properties = current_property_set;
674 if (!sg_host_simix(host)->boot_processes) {
675 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
677 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
679 if (start_time > SIMIX_get_clock()) {
680 arg = xbt_new0(s_smx_process_arg_t, 1);
681 arg->name = (char*)(process->argv)[0];
682 arg->code = parse_code;
684 arg->hostname = sg_host_get_name(host);
685 arg->argc = process->argc;
686 arg->argv = (char**)(process->argv);
687 arg->kill_time = kill_time;
688 arg->properties = current_property_set;
690 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
691 arg->hostname, start_time);
692 SIMIX_timer_set(start_time, [](void* arg) {
693 SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
695 } else { // start_time <= SIMIX_get_clock()
696 XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
698 if (simix_global->create_process_function)
699 process_created = simix_global->create_process_function(
703 sg_host_get_name(host),
706 (char**)(process->argv),
707 current_property_set,
710 process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
711 (char**)process->argv, current_property_set,auto_restart);
713 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
714 if (!process_created) {
718 current_property_set = NULL;
721 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
723 using simgrid::surf::NetCard;
724 using simgrid::surf::AsCluster;
726 char *host_id = NULL;
727 char *link_id = NULL;
728 char *router_id = NULL;
731 host_id = bprintf("peer_%s", peer->id);
732 link_id = bprintf("link_%s", peer->id);
733 router_id = bprintf("router_%s", peer->id);
735 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
736 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
738 AS.routing = A_surfxml_AS_routing_Cluster;
739 sg_platf_new_AS_begin(&AS);
741 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
742 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
743 memset(&host, 0, sizeof(host));
746 host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
747 xbt_dynar_push(host.speed_per_pstate,&peer->speed);
749 //host.power_peak = peer->power;
750 host.speed_trace = peer->availability_trace;
751 host.state_trace = peer->state_trace;
752 host.core_amount = 1;
753 sg_platf_new_host(&host);
754 xbt_dynar_free(&host.speed_per_pstate);
756 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
757 memset(&link, 0, sizeof(link));
758 link.policy = SURF_LINK_SHARED;
759 link.latency = peer->lat;
761 char* link_up = bprintf("%s_UP",link_id);
762 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up, peer->bw_out, peer->lat);
764 link.bandwidth = peer->bw_out;
765 sg_platf_new_link(&link);
767 char* link_down = bprintf("%s_DOWN",link_id);
768 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down, peer->bw_in, peer->lat);
770 link.bandwidth = peer->bw_in;
771 sg_platf_new_link(&link);
773 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
774 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
775 memset(&host_link, 0, sizeof(host_link));
776 host_link.id = host_id;
777 host_link.link_up = link_up;
778 host_link.link_down = link_down;
779 sg_platf_new_hostlink(&host_link);
781 XBT_DEBUG("<router id=\"%s\"/>", router_id);
782 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
783 memset(&router, 0, sizeof(router));
784 router.id = router_id;
785 router.coord = peer->coord;
786 sg_platf_new_router(&router);
787 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
790 sg_platf_new_AS_end();
793 //xbt_dynar_free(&tab_elements_num);
801 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
803 void sg_platf_end() {
804 simgrid::surf::on_postparse();
807 /* Pick the right models for CPU, net and host, and call their model_init_preparse */
808 static void surf_config_models_setup()
810 const char *host_model_name;
811 const char *vm_model_name;
814 char *network_model_name = NULL;
815 char *cpu_model_name = NULL;
817 char *storage_model_name = NULL;
819 host_model_name = xbt_cfg_get_string(_sg_cfg_set, "host/model");
820 vm_model_name = xbt_cfg_get_string(_sg_cfg_set, "vm/model");
821 network_model_name = xbt_cfg_get_string(_sg_cfg_set, "network/model");
822 cpu_model_name = xbt_cfg_get_string(_sg_cfg_set, "cpu/model");
823 storage_model_name = xbt_cfg_get_string(_sg_cfg_set, "storage/model");
825 /* Check whether we use a net/cpu model differing from the default ones, in which case
826 * we should switch to the "compound" host model to correctly dispatch stuff to
827 * the right net/cpu models.
830 if ((!xbt_cfg_is_default_value(_sg_cfg_set, "network/model") ||
831 !xbt_cfg_is_default_value(_sg_cfg_set, "cpu/model")) &&
832 xbt_cfg_is_default_value(_sg_cfg_set, "host/model")) {
833 host_model_name = "compound";
834 xbt_cfg_set_string(_sg_cfg_set, "host/model", host_model_name);
837 XBT_DEBUG("host model: %s", host_model_name);
838 host_id = find_model_description(surf_host_model_description, host_model_name);
839 if (!strcmp(host_model_name, "compound")) {
843 xbt_assert(cpu_model_name,
844 "Set a cpu model to use with the 'compound' host model");
846 xbt_assert(network_model_name,
847 "Set a network model to use with the 'compound' host model");
849 if(surf_cpu_model_init_preparse){
850 surf_cpu_model_init_preparse();
853 find_model_description(surf_cpu_model_description, cpu_model_name);
854 surf_cpu_model_description[cpu_id].model_init_preparse();
858 find_model_description(surf_network_model_description,
860 surf_network_model_description[network_id].model_init_preparse();
863 XBT_DEBUG("Call host_model_init");
864 surf_host_model_description[host_id].model_init_preparse();
866 XBT_DEBUG("Call vm_model_init");
867 vm_id = find_model_description(surf_vm_model_description, vm_model_name);
868 surf_vm_model_description[vm_id].model_init_preparse();
870 XBT_DEBUG("Call storage_model_init");
871 storage_id = find_model_description(surf_storage_model_description, storage_model_name);
872 surf_storage_model_description[storage_id].model_init_preparse();
877 * \brief Make a new routing component to the platform
879 * Add a new autonomous system to the platform. Any elements (such as host,
880 * router or sub-AS) added after this call and before the corresponding call
881 * to sg_platf_new_AS_close() will be added to this AS.
883 * Once this function was called, the configuration concerning the used
884 * models cannot be changed anymore.
886 * @param AS_id name of this autonomous system. Must be unique in the platform
887 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
889 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
891 if (!surf_parse_models_setup_already_called) {
892 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
893 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
895 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
896 * (FIXME: check it out by creating a file beginning with one of these tags)
897 * but cluster and peer create ASes internally, so putting the code in there is ok.
899 surf_parse_models_setup_already_called = 1;
900 surf_config_models_setup();
903 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
904 "Refusing to create a second AS called \"%s\".", AS->id);
906 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
907 * any further config now that we created some real content */
910 /* search the routing model */
911 simgrid::surf::AsImpl *new_as = NULL;
913 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
914 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
915 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
916 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
917 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
918 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
919 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
920 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
921 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
922 default: xbt_die("Not a valid model!"); break;
925 /* make a new routing component */
926 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), SURF_NETWORK_ELEMENT_AS, current_routing);
928 if (current_routing == NULL && routing_platf->root_ == NULL) {
929 /* it is the first one */
930 routing_platf->root_ = new_as;
932 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
934 xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
935 "The AS \"%s\" already exists", AS->id);
936 /* it is a part of the tree */
937 new_as->father_ = current_routing;
938 /* set the father behavior */
939 if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
940 current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
941 /* add to the sons dictionary */
942 xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
943 /* add to the father element list */
944 netcard->setId(current_routing->addComponent(netcard));
946 THROWF(arg_error, 0, "All defined components must belong to a AS");
949 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
950 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name(), netcard->id());
952 /* set the new current component of the tree */
953 current_routing = new_as;
954 current_routing->netcard_ = netcard;
956 simgrid::surf::netcardCreatedCallbacks(netcard);
957 simgrid::surf::asCreatedCallbacks(new_as);
958 if (TRACE_is_enabled())
959 sg_instr_AS_begin(AS);
963 * \brief Specify that the current description of AS is finished
965 * Once you've declared all the content of your AS, you have to close
966 * it with this call. Your AS is not usable until you call this function.
968 void sg_platf_new_AS_end()
970 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
971 current_routing->seal();
972 current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
974 if (TRACE_is_enabled())
978 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
979 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
981 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
982 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
983 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
984 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
985 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
987 s_surf_parsing_link_up_down_t link_up_down;
988 link_up_down.link_up = Link::byName(netcard_arg->link_up);
989 link_up_down.link_down = Link::byName(netcard_arg->link_down);
991 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
992 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
994 // If dynar is is greater than netcard id and if the host_link is already defined
995 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
996 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
997 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
999 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
1000 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);