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(sons_, cursor, key, elem) {
45 xbt_dict_free(&sons_);
46 xbt_dynar_free(&vertices_);
47 xbt_dynar_free(&upDownLinks);
48 if (nullptr != bypassRoutes_)
49 for (auto &kv : *bypassRoutes_)
60 xbt_dynar_t As::getOneLinkRoutes() {
64 int As::addComponent(NetCard *elm) {
65 XBT_DEBUG("Load component \"%s\"", elm->name());
66 xbt_dynar_push_as(vertices_, NetCard*, elm);
67 return xbt_dynar_length(vertices_)-1;
70 void As::addRoute(sg_platf_route_cbarg_t /*route*/){
71 xbt_die("AS %s does not accept new routes (wrong class).",name_);
74 std::vector<Link*> *As::getBypassRoute(NetCard *src, NetCard *dst)
76 // If never set a bypass route return NULL without any further computations
77 XBT_DEBUG("generic_get_bypassroute from %s to %s", src->name(), dst->name());
78 if (bypassRoutes_ == nullptr)
81 std::vector<Link*> *bypassedRoute = nullptr;
83 if(dst->containingAS() == this && src->containingAS() == this ){
84 char *route_name = bprintf("%s#%s", src->name(), dst->name());
85 if (bypassRoutes_->find(route_name) != bypassRoutes_->end()) {
86 bypassedRoute = bypassRoutes_->at(route_name);
87 XBT_DEBUG("Found a bypass route with %zu links",bypassedRoute->size());
93 int index_src, index_dst;
94 As **current_src = NULL;
95 As **current_dst = NULL;
97 As *src_as = src->containingAS();
98 As *dst_as = dst->containingAS();
100 /* (2) find the path to the root routing component */
101 xbt_dynar_t path_src = xbt_dynar_new(sizeof(As*), NULL);
102 As *current = src_as;
103 while (current != NULL) {
104 xbt_dynar_push(path_src, ¤t);
105 current = current->father_;
107 xbt_dynar_t path_dst = xbt_dynar_new(sizeof(As*), NULL);
109 while (current != NULL) {
110 xbt_dynar_push(path_dst, ¤t);
111 current = current->father_;
114 /* (3) find the common father */
115 index_src = path_src->used - 1;
116 index_dst = path_dst->used - 1;
117 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
118 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
119 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
120 xbt_dynar_pop_ptr(path_src);
121 xbt_dynar_pop_ptr(path_dst);
124 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
125 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
128 int max_index_src = path_src->used - 1;
129 int max_index_dst = path_dst->used - 1;
131 int max_index = std::max(max_index_src, max_index_dst);
133 for (int max = 0; max <= max_index; max++) {
134 for (int i = 0; i < max; i++) {
135 if (i <= max_index_src && max <= max_index_dst) {
136 char *route_name = bprintf("%s#%s",
137 (*(As **) (xbt_dynar_get_ptr(path_src, i)))->name_,
138 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
139 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
140 bypassedRoute = bypassRoutes_->at(route_name);
141 xbt_free(route_name);
145 if (max <= max_index_src && i <= max_index_dst) {
146 char *route_name = bprintf("%s#%s",
147 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
148 (*(As **) (xbt_dynar_get_ptr(path_dst, i)))->name_);
149 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
150 bypassedRoute = bypassRoutes_->at(route_name);
151 xbt_free(route_name);
160 if (max <= max_index_src && max <= max_index_dst) {
161 char *route_name = bprintf("%s#%s",
162 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
163 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
165 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
166 bypassedRoute = bypassRoutes_->at(route_name);
167 xbt_free(route_name);
173 xbt_dynar_free(&path_src);
174 xbt_dynar_free(&path_dst);
176 return bypassedRoute;
179 void As::addBypassRoute(sg_platf_route_cbarg_t e_route){
180 const char *src = e_route->src;
181 const char *dst = e_route->dst;
183 if(bypassRoutes_ == nullptr)
184 bypassRoutes_ = new std::map<std::string, std::vector<Link*>*>();
186 char *route_name = bprintf("%s#%s", src, dst);
188 /* Argument validity checks */
189 if (e_route->gw_dst) {
190 XBT_DEBUG("Load bypassASroute from %s@%s to %s@%s",
191 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
192 xbt_assert(!e_route->link_list->empty(), "Bypass route between %s@%s and %s@%s cannot be empty.",
193 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
194 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(),
195 "The bypass route between %s@%s and %s@%s already exists.",
196 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
198 XBT_DEBUG("Load bypassRoute from %s to %s", src, dst);
199 xbt_assert(!e_route->link_list->empty(), "Bypass route between %s and %s cannot be empty.", src, dst);
200 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(), "The bypass route between %s and %s already exists.", src, dst);
203 /* Build a copy that will be stored in the dict */
204 std::vector<Link*> *newRoute = new std::vector<Link*>();
205 for (auto link: *e_route->link_list)
206 newRoute->push_back(link);
209 bypassRoutes_->insert({route_name, newRoute});
210 xbt_free(route_name);
213 }} // namespace simgrid::surf
216 * @ingroup SURF_build_api
217 * @brief A library containing all known hosts
219 xbt_dict_t host_list;
221 int COORD_HOST_LEVEL=0; //Coordinates level
223 int MSG_FILE_LEVEL; //Msg file level
225 int SIMIX_STORAGE_LEVEL; //Simix storage level
226 int MSG_STORAGE_LEVEL; //Msg storage level
228 xbt_lib_t as_router_lib;
229 int ROUTING_ASR_LEVEL; //Routing level
230 int COORD_ASR_LEVEL; //Coordinates level
231 int NS3_ASR_LEVEL; //host node for ns3
232 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
234 /** @brief Retrieve a netcard from its name
236 * Netcards are the thing that connect host or routers to the network
238 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
240 sg_host_t h = sg_host_by_name(name);
241 simgrid::surf::NetCard *netcard = h==NULL ? NULL: h->pimpl_netcard;
243 netcard = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
248 simgrid::surf::RoutingPlatf *routing_platf = NULL;
251 /** The current AS in the parsing */
252 static simgrid::surf::As *current_routing = NULL;
253 simgrid::surf::As* routing_get_current()
255 return current_routing;
258 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
259 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
261 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
262 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
263 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
264 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
265 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
267 s_surf_parsing_link_up_down_t link_up_down;
268 link_up_down.link_up = Link::byName(netcard_arg->link_up);
269 link_up_down.link_down = Link::byName(netcard_arg->link_down);
271 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
272 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
274 // If dynar is is greater than netcard id and if the host_link is already defined
275 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
276 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
277 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
279 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
280 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
283 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
285 tmgr_trace_t tmgr_trace;
286 if (!trace->file || strcmp(trace->file, "") != 0) {
287 tmgr_trace = tmgr_trace_new_from_file(trace->file);
289 xbt_assert(strcmp(trace->pc_data, ""),
290 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
291 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
293 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
297 * \brief Make a new routing component to the platform
299 * Add a new autonomous system to the platform. Any elements (such as host,
300 * router or sub-AS) added after this call and before the corresponding call
301 * to sg_platf_new_AS_close() will be added to this AS.
303 * Once this function was called, the configuration concerning the used
304 * models cannot be changed anymore.
306 * @param AS_id name of this autonomous system. Must be unique in the platform
307 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
309 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
311 XBT_DEBUG("routing_AS_begin");
313 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
314 "Refusing to create a second AS called \"%s\".", AS->id);
316 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
317 * any further config now that we created some real content */
320 /* search the routing model */
321 simgrid::surf::As *new_as = NULL;
323 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
324 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
325 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
326 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
327 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
328 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
329 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
330 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
331 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
332 default: xbt_die("Not a valid model!"); break;
335 /* make a new routing component */
336 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
338 if (current_routing == NULL && routing_platf->root_ == NULL) {
339 /* it is the first one */
340 new_as->father_ = NULL;
341 routing_platf->root_ = new_as;
343 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
345 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
346 "The AS \"%s\" already exists", AS->id);
347 /* it is a part of the tree */
348 new_as->father_ = current_routing;
349 /* set the father behavior */
350 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
351 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
352 /* add to the sons dictionary */
353 xbt_dict_set(current_routing->sons_, AS->id, (void *) new_as, NULL);
354 /* add to the father element list */
355 netcard->setId(current_routing->addComponent(netcard));
357 THROWF(arg_error, 0, "All defined components must belong to a AS");
360 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
361 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
363 /* set the new current component of the tree */
364 current_routing = new_as;
365 current_routing->netcard_ = netcard;
367 simgrid::surf::netcardCreatedCallbacks(netcard);
368 simgrid::surf::asCreatedCallbacks(new_as);
372 * \brief Specify that the current description of AS is finished
374 * Once you've declared all the content of your AS, you have to close
375 * it with this call. Your AS is not usable until you call this function.
377 void routing_AS_end()
379 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
380 current_routing->Seal();
381 current_routing = current_routing->father_;
385 * \brief Get the AS father and the first elements of the chain
387 * \param src the source host name
388 * \param dst the destination host name
390 * Get the common father of the to processing units, and the first different
391 * father in the chain
393 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
394 AS_t * res_father, AS_t * res_src, AS_t * res_dst)
396 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
397 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
398 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
399 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
402 simgrid::surf::As *current_src;
403 simgrid::surf::As *current_dst;
404 simgrid::surf::As *father;
406 /* (1) find the path to root of src and dst*/
407 simgrid::surf::As *src_as = src->containingAS();
408 simgrid::surf::As *dst_as = dst->containingAS();
410 xbt_assert(src_as, "Host %s must be in an AS", src->name());
411 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
413 /* (2) find the path to the root routing component */
414 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
415 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
416 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
417 path_src[index_src++] = current;
419 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
420 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
421 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
422 path_dst[index_dst++] = current;
425 /* (3) find the common father */
427 current_src = path_src[--index_src];
428 current_dst = path_dst[--index_dst];
429 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
431 /* (4) they are not in the same routing component, make the path */
432 if (current_src == current_dst)
433 father = current_src;
435 father = path_src[index_src + 1];
437 /* (5) result generation */
438 *res_father = father; /* first the common father of src and dst */
439 *res_src = current_src; /* second the first different father of src */
440 *res_dst = current_dst; /* three the first different father of dst */
442 #undef ROUTING_HIERARCHY_MAXDEPTH
446 * \brief Recursive function for get_route_and_latency
448 * \param src the source host name
449 * \param dst the destination host name
450 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
451 * \param *latency the latency, if needed
453 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
454 std::vector<Link*> * links, double *latency)
456 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
457 memset(&route,0,sizeof(route));
459 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
460 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
462 /* Find how src and dst are interconnected */
463 simgrid::surf::As *common_father, *src_father, *dst_father;
464 elements_father(src, dst, &common_father, &src_father, &dst_father);
465 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
466 common_father->name_, src_father->name_, dst_father->name_);
468 /* Check whether a direct bypass is defined. If so, use it and bail out */
469 std::vector<Link*> *bypassed_route = common_father->getBypassRoute(src, dst);
470 if (nullptr != bypassed_route) {
471 for (Link *link : *bypassed_route) {
472 links->push_back(link);
474 *latency += link->getLatency();
479 /* If src and dst are in the same AS, life is good */
480 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
481 route.link_list = links;
482 common_father->getRouteAndLatency(src, dst, &route, latency);
486 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
488 route.link_list = new std::vector<Link*>();
490 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
491 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
492 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
494 /* If source gateway is not our source, we have to recursively find our way up to this point */
495 if (src != route.gw_src)
496 _get_route_and_latency(src, route.gw_src, links, latency);
497 for (auto link: *route.link_list)
498 links->push_back(link);
500 /* If dest gateway is not our destination, we have to recursively find our way from this point */
501 if (route.gw_dst != dst)
502 _get_route_and_latency(route.gw_dst, dst, links, latency);
510 * \brief Find a route between hosts
512 * \param src the network_element_t for src host
513 * \param dst the network_element_t for dst host
514 * \param route where to store the list of links.
515 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
516 * \param latency where to store the latency experienced on the path (or NULL if not interested)
517 * It is the caller responsability to initialize latency to 0 (we add to provided route)
520 * walk through the routing components tree and find a route between hosts
521 * by calling each "get_route" function in each routing component.
523 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, std::vector<Link*> * route, double *latency)
525 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
527 _get_route_and_latency(src, dst, route, latency);
530 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
532 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
534 //adding my one link routes
535 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
537 xbt_dynar_merge(&ret,&onelink_mine);
541 xbt_dict_cursor_t cursor = NULL;
543 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
544 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
546 xbt_dynar_merge(&ret,&onelink_child);
551 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
552 return _recursiveGetOneLinkRoutes(root_);
558 /** @brief create the root AS */
559 void routing_model_create(Link *loopback)
561 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
564 /* ************************************************************************** */
565 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
567 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
568 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
570 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
571 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
573 cluster->backbone_ = bb;
574 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
577 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
580 char *groups , *host_id , *link_id = NULL;
582 xbt_dynar_t radical_elements;
583 xbt_dynar_t radical_ends;
586 radical_elements = xbt_str_split(cabinet->radical, ",");
587 xbt_dynar_foreach(radical_elements, iter, groups) {
589 radical_ends = xbt_str_split(groups, "-");
590 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
592 switch (xbt_dynar_length(radical_ends)) {
597 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
600 surf_parse_error("Malformed radical");
603 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
604 memset(&host, 0, sizeof(host));
606 host.core_amount = 1;
608 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
609 memset(&link, 0, sizeof(link));
610 link.policy = SURF_LINK_FULLDUPLEX;
611 link.latency = cabinet->lat;
612 link.bandwidth = cabinet->bw;
614 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
615 memset(&host_link, 0, sizeof(host_link));
617 for (i = start; i <= end; i++) {
618 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
619 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
622 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
623 xbt_dynar_push(host.speed_peak,&cabinet->speed);
624 sg_platf_new_host(&host);
625 xbt_dynar_free(&host.speed_peak);
626 sg_platf_new_link(&link);
628 char* link_up = bprintf("%s_UP",link_id);
629 char* link_down = bprintf("%s_DOWN",link_id);
630 host_link.id = host_id;
631 host_link.link_up = link_up;
632 host_link.link_down = link_down;
633 sg_platf_new_hostlink(&host_link);
641 xbt_dynar_free(&radical_ends);
643 xbt_dynar_free(&radical_elements);
646 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
648 using simgrid::surf::NetCard;
649 using simgrid::surf::AsCluster;
651 char *host_id = NULL;
652 char *link_id = NULL;
653 char *router_id = NULL;
656 host_id = bprintf("peer_%s", peer->id);
657 link_id = bprintf("link_%s", peer->id);
658 router_id = bprintf("router_%s", peer->id);
660 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
661 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
663 AS.routing = A_surfxml_AS_routing_Cluster;
664 sg_platf_new_AS_begin(&AS);
666 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
667 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
668 memset(&host, 0, sizeof(host));
671 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
672 xbt_dynar_push(host.speed_peak,&peer->speed);
674 //host.power_peak = peer->power;
675 host.speed_trace = peer->availability_trace;
676 host.state_trace = peer->state_trace;
677 host.core_amount = 1;
678 sg_platf_new_host(&host);
679 xbt_dynar_free(&host.speed_peak);
681 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
682 memset(&link, 0, sizeof(link));
683 link.policy = SURF_LINK_SHARED;
684 link.latency = peer->lat;
686 char* link_up = bprintf("%s_UP",link_id);
687 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
688 peer->bw_out, peer->lat);
690 link.bandwidth = peer->bw_out;
691 sg_platf_new_link(&link);
693 char* link_down = bprintf("%s_DOWN",link_id);
694 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
695 peer->bw_in, peer->lat);
697 link.bandwidth = peer->bw_in;
698 sg_platf_new_link(&link);
700 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
701 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
702 memset(&host_link, 0, sizeof(host_link));
703 host_link.id = host_id;
704 host_link.link_up = link_up;
705 host_link.link_down = link_down;
706 sg_platf_new_hostlink(&host_link);
708 XBT_DEBUG("<router id=\"%s\"/>", router_id);
709 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
710 memset(&router, 0, sizeof(router));
711 router.id = router_id;
712 router.coord = peer->coord;
713 sg_platf_new_router(&router);
714 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
717 sg_platf_new_AS_end();
720 //xbt_dynar_free(&tab_elements_num);
728 static void check_disk_attachment()
730 xbt_lib_cursor_t cursor;
733 simgrid::surf::NetCard *host_elm;
734 xbt_lib_foreach(storage_lib, cursor, key, data) {
735 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
736 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));
737 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
739 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
744 void routing_register_callbacks()
746 simgrid::surf::on_postparse.connect(check_disk_attachment);
748 instr_routing_define_callbacks();
751 /** \brief Frees all memory allocated by the routing module */
752 void routing_exit(void) {
753 delete routing_platf;
759 RoutingPlatf::RoutingPlatf(Link *loopback)
760 : loopback_(loopback)
763 RoutingPlatf::~RoutingPlatf()
771 AS_t surf_AS_get_routing_root() {
772 return routing_platf->root_;
775 const char *surf_AS_get_name(simgrid::surf::As *as) {
779 static simgrid::surf::As *surf_AS_recursive_get_by_name(simgrid::surf::As *current, const char * name)
781 xbt_dict_cursor_t cursor = NULL;
784 simgrid::surf::As *tmp = NULL;
786 if(!strcmp(current->name_, name))
789 xbt_dict_foreach(current->sons_, cursor, key, elem) {
790 tmp = surf_AS_recursive_get_by_name(elem, name);
798 simgrid::surf::As *surf_AS_get_by_name(const char * name)
800 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
802 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
806 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
811 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
813 xbt_dynar_t elms = as->vertices_;
814 int count = xbt_dynar_length(elms);
815 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
816 for (int index = 0; index < count; index++) {
818 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
819 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
821 xbt_dynar_push(res, &delm);
827 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
828 as->getGraph(graph, nodes, edges);