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_free(&sons_);
38 xbt_dynar_free(&vertices_);
39 xbt_dynar_free(&upDownLinks);
40 if (nullptr != bypassRoutes_)
41 for (auto &kv : *bypassRoutes_)
52 xbt_dynar_t As::getOneLinkRoutes() {
56 int As::addComponent(NetCard *elm) {
57 XBT_DEBUG("Load component \"%s\"", elm->name());
58 xbt_dynar_push_as(vertices_, NetCard*, elm);
59 return xbt_dynar_length(vertices_)-1;
62 void As::addRoute(sg_platf_route_cbarg_t /*route*/){
63 xbt_die("AS %s does not accept new routes (wrong class).",name_);
66 std::vector<Link*> *As::getBypassRoute(NetCard *src, NetCard *dst)
68 // If never set a bypass route return NULL without any further computations
69 XBT_DEBUG("generic_get_bypassroute from %s to %s", src->name(), dst->name());
70 if (bypassRoutes_ == nullptr)
73 std::vector<Link*> *bypassedRoute = nullptr;
75 if(dst->containingAS() == this && src->containingAS() == this ){
76 char *route_name = bprintf("%s#%s", src->name(), dst->name());
77 if (bypassRoutes_->find(route_name) != bypassRoutes_->end()) {
78 bypassedRoute = bypassRoutes_->at(route_name);
79 XBT_DEBUG("Found a bypass route with %zu links",bypassedRoute->size());
85 int index_src, index_dst;
86 As **current_src = NULL;
87 As **current_dst = NULL;
89 As *src_as = src->containingAS();
90 As *dst_as = dst->containingAS();
92 /* (2) find the path to the root routing component */
93 xbt_dynar_t path_src = xbt_dynar_new(sizeof(As*), NULL);
95 while (current != NULL) {
96 xbt_dynar_push(path_src, ¤t);
97 current = current->father_;
99 xbt_dynar_t path_dst = xbt_dynar_new(sizeof(As*), NULL);
101 while (current != NULL) {
102 xbt_dynar_push(path_dst, ¤t);
103 current = current->father_;
106 /* (3) find the common father */
107 index_src = path_src->used - 1;
108 index_dst = path_dst->used - 1;
109 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
110 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
111 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
112 xbt_dynar_pop_ptr(path_src);
113 xbt_dynar_pop_ptr(path_dst);
116 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
117 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
120 int max_index_src = path_src->used - 1;
121 int max_index_dst = path_dst->used - 1;
123 int max_index = std::max(max_index_src, max_index_dst);
125 for (int max = 0; max <= max_index; max++) {
126 for (int i = 0; i < max; i++) {
127 if (i <= max_index_src && max <= max_index_dst) {
128 char *route_name = bprintf("%s#%s",
129 (*(As **) (xbt_dynar_get_ptr(path_src, i)))->name_,
130 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
131 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
132 bypassedRoute = bypassRoutes_->at(route_name);
133 xbt_free(route_name);
137 if (max <= max_index_src && i <= max_index_dst) {
138 char *route_name = bprintf("%s#%s",
139 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
140 (*(As **) (xbt_dynar_get_ptr(path_dst, i)))->name_);
141 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
142 bypassedRoute = bypassRoutes_->at(route_name);
143 xbt_free(route_name);
152 if (max <= max_index_src && max <= max_index_dst) {
153 char *route_name = bprintf("%s#%s",
154 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
155 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
157 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
158 bypassedRoute = bypassRoutes_->at(route_name);
159 xbt_free(route_name);
165 xbt_dynar_free(&path_src);
166 xbt_dynar_free(&path_dst);
168 return bypassedRoute;
171 void As::addBypassRoute(sg_platf_route_cbarg_t e_route){
172 const char *src = e_route->src;
173 const char *dst = e_route->dst;
175 if(bypassRoutes_ == nullptr)
176 bypassRoutes_ = new std::map<std::string, std::vector<Link*>*>();
178 char *route_name = bprintf("%s#%s", src, dst);
180 /* Argument validity checks */
181 if (e_route->gw_dst) {
182 XBT_DEBUG("Load bypassASroute from %s@%s to %s@%s",
183 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
184 xbt_assert(!e_route->link_list->empty(), "Bypass route between %s@%s and %s@%s cannot be empty.",
185 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
186 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(),
187 "The bypass route between %s@%s and %s@%s already exists.",
188 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
190 XBT_DEBUG("Load bypassRoute from %s to %s", src, dst);
191 xbt_assert(!e_route->link_list->empty(), "Bypass route between %s and %s cannot be empty.", src, dst);
192 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(), "The bypass route between %s and %s already exists.", src, dst);
195 /* Build a copy that will be stored in the dict */
196 std::vector<Link*> *newRoute = new std::vector<Link*>();
197 for (auto link: *e_route->link_list)
198 newRoute->push_back(link);
201 bypassRoutes_->insert({route_name, newRoute});
202 xbt_free(route_name);
205 }} // namespace simgrid::surf
208 * @ingroup SURF_build_api
209 * @brief A library containing all known hosts
211 xbt_dict_t host_list;
213 int COORD_HOST_LEVEL=0; //Coordinates level
215 int MSG_FILE_LEVEL; //Msg file level
217 int SIMIX_STORAGE_LEVEL; //Simix storage level
218 int MSG_STORAGE_LEVEL; //Msg storage level
220 xbt_lib_t as_router_lib;
221 int ROUTING_ASR_LEVEL; //Routing level
222 int COORD_ASR_LEVEL; //Coordinates level
223 int NS3_ASR_LEVEL; //host node for ns3
224 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
226 /** @brief Retrieve a netcard from its name
228 * Netcards are the thing that connect host or routers to the network
230 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
232 sg_host_t h = sg_host_by_name(name);
233 simgrid::surf::NetCard *netcard = h==NULL ? NULL: h->pimpl_netcard;
235 netcard = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
240 simgrid::surf::RoutingPlatf *routing_platf = NULL;
243 /** The current AS in the parsing */
244 static simgrid::surf::As *current_routing = NULL;
245 simgrid::surf::As* routing_get_current()
247 return current_routing;
250 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
251 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
253 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
254 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
255 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
256 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
257 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
259 s_surf_parsing_link_up_down_t link_up_down;
260 link_up_down.link_up = Link::byName(netcard_arg->link_up);
261 link_up_down.link_down = Link::byName(netcard_arg->link_down);
263 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
264 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
266 // If dynar is is greater than netcard id and if the host_link is already defined
267 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
268 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
269 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
271 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
272 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
275 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
277 tmgr_trace_t tmgr_trace;
278 if (!trace->file || strcmp(trace->file, "") != 0) {
279 tmgr_trace = tmgr_trace_new_from_file(trace->file);
281 xbt_assert(strcmp(trace->pc_data, ""),
282 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
283 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
285 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
289 * \brief Make a new routing component to the platform
291 * Add a new autonomous system to the platform. Any elements (such as host,
292 * router or sub-AS) added after this call and before the corresponding call
293 * to sg_platf_new_AS_close() will be added to this AS.
295 * Once this function was called, the configuration concerning the used
296 * models cannot be changed anymore.
298 * @param AS_id name of this autonomous system. Must be unique in the platform
299 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
301 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
303 XBT_DEBUG("routing_AS_begin");
305 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
306 "Refusing to create a second AS called \"%s\".", AS->id);
308 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
309 * any further config now that we created some real content */
312 /* search the routing model */
313 simgrid::surf::As *new_as = NULL;
315 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
316 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
317 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
318 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
319 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
320 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
321 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
322 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
323 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
324 default: xbt_die("Not a valid model!"); break;
327 /* make a new routing component */
328 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
330 if (current_routing == NULL && routing_platf->root_ == NULL) {
331 /* it is the first one */
332 new_as->father_ = NULL;
333 routing_platf->root_ = new_as;
335 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
337 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
338 "The AS \"%s\" already exists", AS->id);
339 /* it is a part of the tree */
340 new_as->father_ = current_routing;
341 /* set the father behavior */
342 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
343 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
344 /* add to the sons dictionary */
345 xbt_dict_set(current_routing->sons_, AS->id, (void *) new_as, NULL);
346 /* add to the father element list */
347 netcard->setId(current_routing->addComponent(netcard));
349 THROWF(arg_error, 0, "All defined components must belong to a AS");
352 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
353 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
355 /* set the new current component of the tree */
356 current_routing = new_as;
357 current_routing->netcard_ = netcard;
359 simgrid::surf::netcardCreatedCallbacks(netcard);
360 simgrid::surf::asCreatedCallbacks(new_as);
364 * \brief Specify that the current description of AS is finished
366 * Once you've declared all the content of your AS, you have to close
367 * it with this call. Your AS is not usable until you call this function.
369 void routing_AS_end()
371 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
372 current_routing->Seal();
373 current_routing = current_routing->father_;
377 * \brief Get the AS father and the first elements of the chain
379 * \param src the source host name
380 * \param dst the destination host name
382 * Get the common father of the to processing units, and the first different
383 * father in the chain
385 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
386 AS_t * res_father, AS_t * res_src, AS_t * res_dst)
388 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
389 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
390 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
391 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
394 simgrid::surf::As *current_src;
395 simgrid::surf::As *current_dst;
396 simgrid::surf::As *father;
398 /* (1) find the path to root of src and dst*/
399 simgrid::surf::As *src_as = src->containingAS();
400 simgrid::surf::As *dst_as = dst->containingAS();
402 xbt_assert(src_as, "Host %s must be in an AS", src->name());
403 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
405 /* (2) find the path to the root routing component */
406 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
407 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
408 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
409 path_src[index_src++] = current;
411 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
412 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
413 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
414 path_dst[index_dst++] = current;
417 /* (3) find the common father */
419 current_src = path_src[--index_src];
420 current_dst = path_dst[--index_dst];
421 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
423 /* (4) they are not in the same routing component, make the path */
424 if (current_src == current_dst)
425 father = current_src;
427 father = path_src[index_src + 1];
429 /* (5) result generation */
430 *res_father = father; /* first the common father of src and dst */
431 *res_src = current_src; /* second the first different father of src */
432 *res_dst = current_dst; /* three the first different father of dst */
434 #undef ROUTING_HIERARCHY_MAXDEPTH
438 * \brief Recursive function for get_route_and_latency
440 * \param src the source host name
441 * \param dst the destination host name
442 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
443 * \param *latency the latency, if needed
445 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
446 std::vector<Link*> * links, double *latency)
448 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
449 memset(&route,0,sizeof(route));
451 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
452 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
454 /* Find how src and dst are interconnected */
455 simgrid::surf::As *common_father, *src_father, *dst_father;
456 elements_father(src, dst, &common_father, &src_father, &dst_father);
457 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
458 common_father->name_, src_father->name_, dst_father->name_);
460 /* Check whether a direct bypass is defined. If so, use it and bail out */
461 std::vector<Link*> *bypassed_route = common_father->getBypassRoute(src, dst);
462 if (nullptr != bypassed_route) {
463 for (Link *link : *bypassed_route) {
464 links->push_back(link);
466 *latency += link->getLatency();
471 /* If src and dst are in the same AS, life is good */
472 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
473 route.link_list = links;
474 common_father->getRouteAndLatency(src, dst, &route, latency);
478 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
480 route.link_list = new std::vector<Link*>();
482 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
483 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
484 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
486 /* If source gateway is not our source, we have to recursively find our way up to this point */
487 if (src != route.gw_src)
488 _get_route_and_latency(src, route.gw_src, links, latency);
489 for (auto link: *route.link_list)
490 links->push_back(link);
492 /* If dest gateway is not our destination, we have to recursively find our way from this point */
493 if (route.gw_dst != dst)
494 _get_route_and_latency(route.gw_dst, dst, links, latency);
502 * \brief Find a route between hosts
504 * \param src the network_element_t for src host
505 * \param dst the network_element_t for dst host
506 * \param route where to store the list of links.
507 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
508 * \param latency where to store the latency experienced on the path (or NULL if not interested)
509 * It is the caller responsability to initialize latency to 0 (we add to provided route)
512 * walk through the routing components tree and find a route between hosts
513 * by calling each "get_route" function in each routing component.
515 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, std::vector<Link*> * route, double *latency)
517 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
519 _get_route_and_latency(src, dst, route, latency);
522 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
524 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
526 //adding my one link routes
527 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
529 xbt_dynar_merge(&ret,&onelink_mine);
533 xbt_dict_cursor_t cursor = NULL;
535 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
536 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
538 xbt_dynar_merge(&ret,&onelink_child);
543 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
544 return _recursiveGetOneLinkRoutes(root_);
550 /** @brief create the root AS */
551 void routing_model_create(Link *loopback)
553 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
556 /* ************************************************************************** */
557 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
559 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
560 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
562 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
563 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
565 cluster->backbone_ = bb;
566 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
569 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
572 char *groups , *host_id , *link_id = NULL;
574 xbt_dynar_t radical_elements;
575 xbt_dynar_t radical_ends;
578 radical_elements = xbt_str_split(cabinet->radical, ",");
579 xbt_dynar_foreach(radical_elements, iter, groups) {
581 radical_ends = xbt_str_split(groups, "-");
582 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
584 switch (xbt_dynar_length(radical_ends)) {
589 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
592 surf_parse_error("Malformed radical");
595 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
596 memset(&host, 0, sizeof(host));
598 host.core_amount = 1;
600 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
601 memset(&link, 0, sizeof(link));
602 link.policy = SURF_LINK_FULLDUPLEX;
603 link.latency = cabinet->lat;
604 link.bandwidth = cabinet->bw;
606 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
607 memset(&host_link, 0, sizeof(host_link));
609 for (i = start; i <= end; i++) {
610 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
611 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
614 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
615 xbt_dynar_push(host.speed_peak,&cabinet->speed);
616 sg_platf_new_host(&host);
617 xbt_dynar_free(&host.speed_peak);
618 sg_platf_new_link(&link);
620 char* link_up = bprintf("%s_UP",link_id);
621 char* link_down = bprintf("%s_DOWN",link_id);
622 host_link.id = host_id;
623 host_link.link_up = link_up;
624 host_link.link_down = link_down;
625 sg_platf_new_hostlink(&host_link);
633 xbt_dynar_free(&radical_ends);
635 xbt_dynar_free(&radical_elements);
638 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
640 using simgrid::surf::NetCard;
641 using simgrid::surf::AsCluster;
643 char *host_id = NULL;
644 char *link_id = NULL;
645 char *router_id = NULL;
648 host_id = bprintf("peer_%s", peer->id);
649 link_id = bprintf("link_%s", peer->id);
650 router_id = bprintf("router_%s", peer->id);
652 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
653 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
655 AS.routing = A_surfxml_AS_routing_Cluster;
656 sg_platf_new_AS_begin(&AS);
658 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
659 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
660 memset(&host, 0, sizeof(host));
663 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
664 xbt_dynar_push(host.speed_peak,&peer->speed);
666 //host.power_peak = peer->power;
667 host.speed_trace = peer->availability_trace;
668 host.state_trace = peer->state_trace;
669 host.core_amount = 1;
670 sg_platf_new_host(&host);
671 xbt_dynar_free(&host.speed_peak);
673 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
674 memset(&link, 0, sizeof(link));
675 link.policy = SURF_LINK_SHARED;
676 link.latency = peer->lat;
678 char* link_up = bprintf("%s_UP",link_id);
679 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
680 peer->bw_out, peer->lat);
682 link.bandwidth = peer->bw_out;
683 sg_platf_new_link(&link);
685 char* link_down = bprintf("%s_DOWN",link_id);
686 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
687 peer->bw_in, peer->lat);
689 link.bandwidth = peer->bw_in;
690 sg_platf_new_link(&link);
692 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
693 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
694 memset(&host_link, 0, sizeof(host_link));
695 host_link.id = host_id;
696 host_link.link_up = link_up;
697 host_link.link_down = link_down;
698 sg_platf_new_hostlink(&host_link);
700 XBT_DEBUG("<router id=\"%s\"/>", router_id);
701 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
702 memset(&router, 0, sizeof(router));
703 router.id = router_id;
704 router.coord = peer->coord;
705 sg_platf_new_router(&router);
706 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
709 sg_platf_new_AS_end();
712 //xbt_dynar_free(&tab_elements_num);
720 static void check_disk_attachment()
722 xbt_lib_cursor_t cursor;
725 simgrid::surf::NetCard *host_elm;
726 xbt_lib_foreach(storage_lib, cursor, key, data) {
727 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
728 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));
729 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
731 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
736 void routing_register_callbacks()
738 simgrid::surf::on_postparse.connect(check_disk_attachment);
740 instr_routing_define_callbacks();
744 * \brief Recursive function for finalize
746 * \param rc the source host name
748 * This fuction is call by "finalize". It allow to finalize the
749 * AS or routing components. It delete all the structures.
751 static void finalize_rec(simgrid::surf::As *as) {
752 xbt_dict_cursor_t cursor = NULL;
756 xbt_dict_foreach(as->sons_, cursor, key, elem) {
763 /** \brief Frees all memory allocated by the routing module */
764 void routing_exit(void) {
765 delete routing_platf;
771 RoutingPlatf::RoutingPlatf(Link *loopback)
772 : loopback_(loopback)
775 RoutingPlatf::~RoutingPlatf()
783 AS_t surf_AS_get_routing_root() {
784 return routing_platf->root_;
787 const char *surf_AS_get_name(simgrid::surf::As *as) {
791 static simgrid::surf::As *surf_AS_recursive_get_by_name(simgrid::surf::As *current, const char * name)
793 xbt_dict_cursor_t cursor = NULL;
796 simgrid::surf::As *tmp = NULL;
798 if(!strcmp(current->name_, name))
801 xbt_dict_foreach(current->sons_, cursor, key, elem) {
802 tmp = surf_AS_recursive_get_by_name(elem, name);
810 simgrid::surf::As *surf_AS_get_by_name(const char * name)
812 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
814 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
818 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
823 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
825 xbt_dynar_t elms = as->vertices_;
826 int count = xbt_dynar_length(elms);
827 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
828 for (int index = 0; index < count; index++) {
830 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
831 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
833 xbt_dynar_push(res, &delm);
839 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
840 as->getGraph(graph, nodes, edges);