1 /* Copyright (c) 2009-2011, 2013-2015. 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. */
7 #include "surf_routing.hpp"
8 #include "surf_routing_cluster.hpp"
10 #include "simgrid/sg_config.h"
11 #include "storage_interface.hpp"
13 #include "src/surf/surf_routing_cluster_torus.hpp"
14 #include "src/surf/surf_routing_cluster_fat_tree.hpp"
15 #include "src/surf/surf_routing_dijkstra.hpp"
16 #include "src/surf/surf_routing_floyd.hpp"
17 #include "src/surf/surf_routing_full.hpp"
18 #include "src/surf/surf_routing_vivaldi.hpp"
19 #include "src/surf/xml/platf.hpp" // FIXME: move that back to the parsing area
23 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
29 simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
30 simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
32 As::As(const char*name)
33 : name_(xbt_strdup(name))
37 xbt_dict_cursor_t cursor = NULL;
40 xbt_dict_foreach(children_, cursor, key, elem) {
45 xbt_dict_free(&children_);
46 xbt_dynar_free(&vertices_);
47 xbt_dynar_free(&upDownLinks);
48 for (auto &kv : bypassRoutes_)
58 xbt_dynar_t As::getOneLinkRoutes() {
62 int As::addComponent(NetCard *elm) {
63 XBT_DEBUG("Load component \"%s\"", elm->name());
64 xbt_dynar_push_as(vertices_, NetCard*, elm);
65 return xbt_dynar_length(vertices_)-1;
68 void As::addRoute(sg_platf_route_cbarg_t /*route*/){
69 xbt_die("AS %s does not accept new routes (wrong class).",name_);
72 std::vector<Link*> *As::getBypassRoute(NetCard *src, NetCard *dst)
74 // If never set a bypass route return NULL without any further computations
75 XBT_DEBUG("generic_get_bypassroute from %s to %s", src->name(), dst->name());
76 if (bypassRoutes_.empty())
79 std::vector<Link*> *bypassedRoute = nullptr;
81 if(dst->containingAS() == this && src->containingAS() == this ){
82 char *route_name = bprintf("%s#%s", src->name(), dst->name());
83 if (bypassRoutes_.find(route_name) != bypassRoutes_.end()) {
84 bypassedRoute = bypassRoutes_.at(route_name);
85 XBT_DEBUG("Found a bypass route with %zu links",bypassedRoute->size());
91 int index_src, index_dst;
92 As **current_src = NULL;
93 As **current_dst = NULL;
95 As *src_as = src->containingAS();
96 As *dst_as = dst->containingAS();
98 /* (2) find the path to the root routing component */
99 xbt_dynar_t path_src = xbt_dynar_new(sizeof(As*), NULL);
100 As *current = src_as;
101 while (current != NULL) {
102 xbt_dynar_push(path_src, ¤t);
103 current = current->father_;
105 xbt_dynar_t path_dst = xbt_dynar_new(sizeof(As*), NULL);
107 while (current != NULL) {
108 xbt_dynar_push(path_dst, ¤t);
109 current = current->father_;
112 /* (3) find the common father */
113 index_src = path_src->used - 1;
114 index_dst = path_dst->used - 1;
115 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
116 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
117 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
118 xbt_dynar_pop_ptr(path_src);
119 xbt_dynar_pop_ptr(path_dst);
122 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
123 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
126 int max_index_src = path_src->used - 1;
127 int max_index_dst = path_dst->used - 1;
129 int max_index = std::max(max_index_src, max_index_dst);
131 for (int max = 0; max <= max_index; max++) {
132 for (int i = 0; i < max; i++) {
133 if (i <= max_index_src && max <= max_index_dst) {
134 char *route_name = bprintf("%s#%s",
135 (*(As **) (xbt_dynar_get_ptr(path_src, i)))->name_,
136 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
137 if (bypassRoutes_.find(route_name) != bypassRoutes_.end())
138 bypassedRoute = bypassRoutes_.at(route_name);
139 xbt_free(route_name);
143 if (max <= max_index_src && i <= max_index_dst) {
144 char *route_name = bprintf("%s#%s",
145 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
146 (*(As **) (xbt_dynar_get_ptr(path_dst, i)))->name_);
147 if (bypassRoutes_.find(route_name) != bypassRoutes_.end())
148 bypassedRoute = bypassRoutes_.at(route_name);
149 xbt_free(route_name);
158 if (max <= max_index_src && max <= max_index_dst) {
159 char *route_name = bprintf("%s#%s",
160 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
161 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
163 if (bypassRoutes_.find(route_name) != bypassRoutes_.end())
164 bypassedRoute = bypassRoutes_.at(route_name);
165 xbt_free(route_name);
171 xbt_dynar_free(&path_src);
172 xbt_dynar_free(&path_dst);
174 return bypassedRoute;
177 void As::addBypassRoute(sg_platf_route_cbarg_t e_route){
178 const char *src = e_route->src;
179 const char *dst = e_route->dst;
181 char *route_name = bprintf("%s#%s", src, dst);
183 /* Argument validity checks */
184 if (e_route->gw_dst) {
185 XBT_DEBUG("Load bypassASroute from %s@%s to %s@%s",
186 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
187 xbt_assert(!e_route->link_list->empty(), "Bypass route between %s@%s and %s@%s cannot be empty.",
188 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
189 xbt_assert(bypassRoutes_.find(route_name) == bypassRoutes_.end(), "The bypass route between %s@%s and %s@%s already exists.",
190 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
192 XBT_DEBUG("Load bypassRoute from %s to %s", src, dst);
193 xbt_assert(!e_route->link_list->empty(), "Bypass route between %s and %s cannot be empty.", src, dst);
194 xbt_assert(bypassRoutes_.find(route_name) == bypassRoutes_.end(), "The bypass route between %s and %s already exists.", src, dst);
197 /* Build a copy that will be stored in the dict */
198 std::vector<Link*> *newRoute = new std::vector<Link*>();
199 for (auto link: *e_route->link_list)
200 newRoute->push_back(link);
203 bypassRoutes_.insert({route_name, newRoute});
204 xbt_free(route_name);
207 }} // namespace simgrid::surf
210 * @ingroup SURF_build_api
211 * @brief A library containing all known hosts
213 xbt_dict_t host_list;
215 int COORD_HOST_LEVEL=0; //Coordinates level
217 int MSG_FILE_LEVEL; //Msg file level
219 int SIMIX_STORAGE_LEVEL; //Simix storage level
220 int MSG_STORAGE_LEVEL; //Msg storage level
222 xbt_lib_t as_router_lib;
223 int ROUTING_ASR_LEVEL; //Routing level
224 int COORD_ASR_LEVEL; //Coordinates level
225 int NS3_ASR_LEVEL; //host node for ns3
226 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
228 /** @brief Retrieve a netcard from its name
230 * Netcards are the thing that connect host or routers to the network
232 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
234 sg_host_t h = sg_host_by_name(name);
235 simgrid::surf::NetCard *netcard = h==NULL ? NULL: h->pimpl_netcard;
237 netcard = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
242 simgrid::surf::RoutingPlatf *routing_platf = NULL;
245 /** The current AS in the parsing */
246 static simgrid::surf::As *current_routing = NULL;
247 simgrid::surf::As* routing_get_current()
249 return current_routing;
252 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
253 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
255 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
256 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
257 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
258 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
259 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
261 s_surf_parsing_link_up_down_t link_up_down;
262 link_up_down.link_up = Link::byName(netcard_arg->link_up);
263 link_up_down.link_down = Link::byName(netcard_arg->link_down);
265 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
266 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
268 // If dynar is is greater than netcard id and if the host_link is already defined
269 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
270 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
271 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
273 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
274 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
277 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
279 tmgr_trace_t tmgr_trace;
280 if (!trace->file || strcmp(trace->file, "") != 0) {
281 tmgr_trace = tmgr_trace_new_from_file(trace->file);
283 xbt_assert(strcmp(trace->pc_data, ""),
284 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
285 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
287 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
291 * \brief Make a new routing component to the platform
293 * Add a new autonomous system to the platform. Any elements (such as host,
294 * router or sub-AS) added after this call and before the corresponding call
295 * to sg_platf_new_AS_close() will be added to this AS.
297 * Once this function was called, the configuration concerning the used
298 * models cannot be changed anymore.
300 * @param AS_id name of this autonomous system. Must be unique in the platform
301 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
303 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
305 XBT_DEBUG("routing_AS_begin");
307 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
308 "Refusing to create a second AS called \"%s\".", AS->id);
310 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
311 * any further config now that we created some real content */
314 /* search the routing model */
315 simgrid::surf::As *new_as = NULL;
317 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
318 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
319 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
320 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
321 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
322 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
323 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
324 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
325 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
326 default: xbt_die("Not a valid model!"); break;
329 /* make a new routing component */
330 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
332 if (current_routing == NULL && routing_platf->root_ == NULL) {
333 /* it is the first one */
334 new_as->father_ = NULL;
335 routing_platf->root_ = new_as;
337 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
339 xbt_assert(!xbt_dict_get_or_null(current_routing->children_, AS->id),
340 "The AS \"%s\" already exists", AS->id);
341 /* it is a part of the tree */
342 new_as->father_ = current_routing;
343 /* set the father behavior */
344 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
345 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
346 /* add to the sons dictionary */
347 xbt_dict_set(current_routing->children_, AS->id, (void *) new_as, NULL);
348 /* add to the father element list */
349 netcard->setId(current_routing->addComponent(netcard));
351 THROWF(arg_error, 0, "All defined components must belong to a AS");
354 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
355 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
357 /* set the new current component of the tree */
358 current_routing = new_as;
359 current_routing->netcard_ = netcard;
361 simgrid::surf::netcardCreatedCallbacks(netcard);
362 simgrid::surf::asCreatedCallbacks(new_as);
366 * \brief Specify that the current description of AS is finished
368 * Once you've declared all the content of your AS, you have to close
369 * it with this call. Your AS is not usable until you call this function.
371 void routing_AS_end()
373 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
374 current_routing->Seal();
375 current_routing = current_routing->father_;
379 * \brief Get the AS father and the first elements of the chain
381 * \param src the source host name
382 * \param dst the destination host name
384 * Get the common father of the to processing units, and the first different
385 * father in the chain
387 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
388 AS_t * res_father, AS_t * res_src, AS_t * res_dst)
390 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
391 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
392 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
393 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
396 simgrid::surf::As *current_src;
397 simgrid::surf::As *current_dst;
398 simgrid::surf::As *father;
400 /* (1) find the path to root of src and dst*/
401 simgrid::surf::As *src_as = src->containingAS();
402 simgrid::surf::As *dst_as = dst->containingAS();
404 xbt_assert(src_as, "Host %s must be in an AS", src->name());
405 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
407 /* (2) find the path to the root routing component */
408 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
409 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
410 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
411 path_src[index_src++] = current;
413 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
414 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
415 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
416 path_dst[index_dst++] = current;
419 /* (3) find the common father */
421 current_src = path_src[--index_src];
422 current_dst = path_dst[--index_dst];
423 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
425 /* (4) they are not in the same routing component, make the path */
426 if (current_src == current_dst)
427 father = current_src;
429 father = path_src[index_src + 1];
431 /* (5) result generation */
432 *res_father = father; /* first the common father of src and dst */
433 *res_src = current_src; /* second the first different father of src */
434 *res_dst = current_dst; /* three the first different father of dst */
436 #undef ROUTING_HIERARCHY_MAXDEPTH
440 * \brief Recursive function for get_route_and_latency
442 * \param src the source host name
443 * \param dst the destination host name
444 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
445 * \param *latency the latency, if needed
447 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
448 std::vector<Link*> * links, double *latency)
450 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
451 memset(&route,0,sizeof(route));
453 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
454 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
456 /* Find how src and dst are interconnected */
457 simgrid::surf::As *common_father, *src_father, *dst_father;
458 elements_father(src, dst, &common_father, &src_father, &dst_father);
459 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
460 common_father->name_, src_father->name_, dst_father->name_);
462 /* Check whether a direct bypass is defined. If so, use it and bail out */
463 std::vector<Link*> *bypassed_route = common_father->getBypassRoute(src, dst);
464 if (nullptr != bypassed_route) {
465 for (Link *link : *bypassed_route) {
466 links->push_back(link);
468 *latency += link->getLatency();
473 /* If src and dst are in the same AS, life is good */
474 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
475 route.link_list = links;
476 common_father->getRouteAndLatency(src, dst, &route, latency);
480 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
482 route.link_list = new std::vector<Link*>();
484 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
485 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
486 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
488 /* If source gateway is not our source, we have to recursively find our way up to this point */
489 if (src != route.gw_src)
490 _get_route_and_latency(src, route.gw_src, links, latency);
491 for (auto link: *route.link_list)
492 links->push_back(link);
494 /* If dest gateway is not our destination, we have to recursively find our way from this point */
495 if (route.gw_dst != dst)
496 _get_route_and_latency(route.gw_dst, dst, links, latency);
504 * \brief Find a route between hosts
506 * \param src the network_element_t for src host
507 * \param dst the network_element_t for dst host
508 * \param route where to store the list of links.
509 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
510 * \param latency where to store the latency experienced on the path (or NULL if not interested)
511 * It is the caller responsability to initialize latency to 0 (we add to provided route)
514 * walk through the routing components tree and find a route between hosts
515 * by calling each "get_route" function in each routing component.
517 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, std::vector<Link*> * route, double *latency)
519 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
521 _get_route_and_latency(src, dst, route, latency);
524 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
526 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
528 //adding my one link routes
529 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
531 xbt_dynar_merge(&ret,&onelink_mine);
535 xbt_dict_cursor_t cursor = NULL;
537 xbt_dict_foreach(rc->children_, cursor, key, rc_child) {
538 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
540 xbt_dynar_merge(&ret,&onelink_child);
545 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
546 return _recursiveGetOneLinkRoutes(root_);
552 /** @brief create the root AS */
553 void routing_model_create(Link *loopback)
555 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
558 /* ************************************************************************** */
559 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
561 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
562 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
564 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
565 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
567 cluster->backbone_ = bb;
568 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
571 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
574 char *groups , *host_id , *link_id = NULL;
576 xbt_dynar_t radical_elements;
577 xbt_dynar_t radical_ends;
580 radical_elements = xbt_str_split(cabinet->radical, ",");
581 xbt_dynar_foreach(radical_elements, iter, groups) {
583 radical_ends = xbt_str_split(groups, "-");
584 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
586 switch (xbt_dynar_length(radical_ends)) {
591 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
594 surf_parse_error("Malformed radical");
597 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
598 memset(&host, 0, sizeof(host));
600 host.core_amount = 1;
602 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
603 memset(&link, 0, sizeof(link));
604 link.policy = SURF_LINK_FULLDUPLEX;
605 link.latency = cabinet->lat;
606 link.bandwidth = cabinet->bw;
608 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
609 memset(&host_link, 0, sizeof(host_link));
611 for (i = start; i <= end; i++) {
612 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
613 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
616 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
617 xbt_dynar_push(host.speed_peak,&cabinet->speed);
618 sg_platf_new_host(&host);
619 xbt_dynar_free(&host.speed_peak);
620 sg_platf_new_link(&link);
622 char* link_up = bprintf("%s_UP",link_id);
623 char* link_down = bprintf("%s_DOWN",link_id);
624 host_link.id = host_id;
625 host_link.link_up = link_up;
626 host_link.link_down = link_down;
627 sg_platf_new_hostlink(&host_link);
635 xbt_dynar_free(&radical_ends);
637 xbt_dynar_free(&radical_elements);
640 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
642 using simgrid::surf::NetCard;
643 using simgrid::surf::AsCluster;
645 char *host_id = NULL;
646 char *link_id = NULL;
647 char *router_id = NULL;
650 host_id = bprintf("peer_%s", peer->id);
651 link_id = bprintf("link_%s", peer->id);
652 router_id = bprintf("router_%s", peer->id);
654 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
655 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
657 AS.routing = A_surfxml_AS_routing_Cluster;
658 sg_platf_new_AS_begin(&AS);
660 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
661 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
662 memset(&host, 0, sizeof(host));
665 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
666 xbt_dynar_push(host.speed_peak,&peer->speed);
668 //host.power_peak = peer->power;
669 host.speed_trace = peer->availability_trace;
670 host.state_trace = peer->state_trace;
671 host.core_amount = 1;
672 sg_platf_new_host(&host);
673 xbt_dynar_free(&host.speed_peak);
675 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
676 memset(&link, 0, sizeof(link));
677 link.policy = SURF_LINK_SHARED;
678 link.latency = peer->lat;
680 char* link_up = bprintf("%s_UP",link_id);
681 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
682 peer->bw_out, peer->lat);
684 link.bandwidth = peer->bw_out;
685 sg_platf_new_link(&link);
687 char* link_down = bprintf("%s_DOWN",link_id);
688 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
689 peer->bw_in, peer->lat);
691 link.bandwidth = peer->bw_in;
692 sg_platf_new_link(&link);
694 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
695 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
696 memset(&host_link, 0, sizeof(host_link));
697 host_link.id = host_id;
698 host_link.link_up = link_up;
699 host_link.link_down = link_down;
700 sg_platf_new_hostlink(&host_link);
702 XBT_DEBUG("<router id=\"%s\"/>", router_id);
703 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
704 memset(&router, 0, sizeof(router));
705 router.id = router_id;
706 router.coord = peer->coord;
707 sg_platf_new_router(&router);
708 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
711 sg_platf_new_AS_end();
714 //xbt_dynar_free(&tab_elements_num);
722 static void check_disk_attachment()
724 xbt_lib_cursor_t cursor;
727 simgrid::surf::NetCard *host_elm;
728 xbt_lib_foreach(storage_lib, cursor, key, data) {
729 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
730 simgrid::surf::Storage *storage = static_cast<simgrid::surf::Storage*>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
731 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
733 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
738 void routing_register_callbacks()
740 simgrid::surf::on_postparse.connect(check_disk_attachment);
742 instr_routing_define_callbacks();
745 /** \brief Frees all memory allocated by the routing module */
746 void routing_exit(void) {
747 delete routing_platf;
753 RoutingPlatf::RoutingPlatf(Link *loopback)
754 : loopback_(loopback)
757 RoutingPlatf::~RoutingPlatf()
765 AS_t surf_AS_get_routing_root() {
766 return routing_platf->root_;
769 const char *surf_AS_get_name(simgrid::surf::As *as) {
773 static simgrid::surf::As *surf_AS_recursive_get_by_name(simgrid::surf::As *current, const char * name)
775 xbt_dict_cursor_t cursor = NULL;
778 simgrid::surf::As *tmp = NULL;
780 if(!strcmp(current->name_, name))
783 xbt_dict_foreach(current->children_, cursor, key, elem) {
784 tmp = surf_AS_recursive_get_by_name(elem, name);
792 simgrid::surf::As *surf_AS_get_by_name(const char * name)
794 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
796 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
800 xbt_dict_t surf_AS_get_children(simgrid::surf::As *as)
802 return as->children_;
805 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
807 xbt_dynar_t elms = as->vertices_;
808 int count = xbt_dynar_length(elms);
809 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
810 for (int index = 0; index < count; index++) {
812 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
813 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
815 xbt_dynar_push(res, &delm);
821 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
822 as->getGraph(graph, nodes, edges);