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,
346 (void *) new_as, NULL);
347 /* add to the father element list */
348 netcard->setId(current_routing->addComponent(netcard));
350 THROWF(arg_error, 0, "All defined components must belong to a AS");
353 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
354 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
356 /* set the new current component of the tree */
357 current_routing = new_as;
358 current_routing->netcard_ = netcard;
360 simgrid::surf::netcardCreatedCallbacks(netcard);
361 simgrid::surf::asCreatedCallbacks(new_as);
365 * \brief Specify that the current description of AS is finished
367 * Once you've declared all the content of your AS, you have to close
368 * it with this call. Your AS is not usable until you call this function.
370 * @fixme: this call is not as robust as wanted: bad things WILL happen
371 * if you call it twice for the same AS, or if you forget calling it, or
372 * even if you add stuff to a closed AS
375 void routing_AS_end()
377 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
378 current_routing->Seal();
379 current_routing = current_routing->father_;
382 /* Aux Business methods */
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,
398 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
399 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
400 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
401 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
404 simgrid::surf::As *current_src;
405 simgrid::surf::As *current_dst;
406 simgrid::surf::As *father;
408 /* (1) find the path to root of src and dst*/
409 simgrid::surf::As *src_as = src->containingAS();
410 simgrid::surf::As *dst_as = dst->containingAS();
412 xbt_assert(src_as, "Host %s must be in an AS", src->name());
413 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
415 /* (2) find the path to the root routing component */
416 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
417 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
418 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
419 path_src[index_src++] = current;
421 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
422 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
423 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
424 path_dst[index_dst++] = current;
427 /* (3) find the common father */
429 current_src = path_src[--index_src];
430 current_dst = path_dst[--index_dst];
431 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
433 /* (4) they are not in the same routing component, make the path */
434 if (current_src == current_dst)
435 father = current_src;
437 father = path_src[index_src + 1];
439 /* (5) result generation */
440 *res_father = father; /* first the common father of src and dst */
441 *res_src = current_src; /* second the first different father of src */
442 *res_dst = current_dst; /* three the first different father of dst */
444 #undef ROUTING_HIERARCHY_MAXDEPTH
448 * \brief Recursive function for get_route_and_latency
450 * \param src the source host name
451 * \param dst the destination host name
452 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
453 * \param *latency the latency, if needed
455 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
456 std::vector<Link*> * links, double *latency)
458 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
459 memset(&route,0,sizeof(route));
461 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
462 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
464 /* Find how src and dst are interconnected */
465 simgrid::surf::As *common_father, *src_father, *dst_father;
466 elements_father(src, dst, &common_father, &src_father, &dst_father);
467 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
468 common_father->name_, src_father->name_, dst_father->name_);
470 /* Check whether a direct bypass is defined. If so, use it and bail out */
471 std::vector<Link*> *bypassed_route = common_father->getBypassRoute(src, dst);
472 if (nullptr != bypassed_route) {
473 for (Link *link : *bypassed_route) {
474 links->push_back(link);
476 *latency += link->getLatency();
481 /* If src and dst are in the same AS, life is good */
482 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
483 route.link_list = links;
484 common_father->getRouteAndLatency(src, dst, &route, latency);
488 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
490 route.link_list = new std::vector<Link*>();
492 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
493 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
494 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
496 /* If source gateway is not our source, we have to recursively find our way up to this point */
497 if (src != route.gw_src)
498 _get_route_and_latency(src, route.gw_src, links, latency);
499 for (auto link: *route.link_list)
500 links->push_back(link);
502 /* If dest gateway is not our destination, we have to recursively find our way from this point */
503 if (route.gw_dst != dst)
504 _get_route_and_latency(route.gw_dst, dst, links, latency);
512 * \brief Find a route between hosts
514 * \param src the network_element_t for src host
515 * \param dst the network_element_t for dst host
516 * \param route where to store the list of links.
517 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
518 * \param latency where to store the latency experienced on the path (or NULL if not interested)
519 * It is the caller responsability to initialize latency to 0 (we add to provided route)
522 * walk through the routing components tree and find a route between hosts
523 * by calling each "get_route" function in each routing component.
525 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, std::vector<Link*> * route, double *latency)
527 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
529 _get_route_and_latency(src, dst, route, latency);
532 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
534 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
536 //adding my one link routes
537 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
539 xbt_dynar_merge(&ret,&onelink_mine);
543 xbt_dict_cursor_t cursor = NULL;
545 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
546 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
548 xbt_dynar_merge(&ret,&onelink_child);
553 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
554 return _recursiveGetOneLinkRoutes(root_);
560 /** @brief create the root AS */
561 void routing_model_create(Link *loopback)
563 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
566 /* ************************************************************************** */
567 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
569 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
570 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
572 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
573 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
575 cluster->backbone_ = bb;
576 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
579 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
582 char *groups , *host_id , *link_id = NULL;
584 xbt_dynar_t radical_elements;
585 xbt_dynar_t radical_ends;
588 radical_elements = xbt_str_split(cabinet->radical, ",");
589 xbt_dynar_foreach(radical_elements, iter, groups) {
591 radical_ends = xbt_str_split(groups, "-");
592 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
594 switch (xbt_dynar_length(radical_ends)) {
599 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
602 surf_parse_error("Malformed radical");
605 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
606 memset(&host, 0, sizeof(host));
608 host.core_amount = 1;
610 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
611 memset(&link, 0, sizeof(link));
612 link.policy = SURF_LINK_FULLDUPLEX;
613 link.latency = cabinet->lat;
614 link.bandwidth = cabinet->bw;
616 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
617 memset(&host_link, 0, sizeof(host_link));
619 for (i = start; i <= end; i++) {
620 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
621 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
624 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
625 xbt_dynar_push(host.speed_peak,&cabinet->speed);
626 sg_platf_new_host(&host);
627 xbt_dynar_free(&host.speed_peak);
628 sg_platf_new_link(&link);
630 char* link_up = bprintf("%s_UP",link_id);
631 char* link_down = bprintf("%s_DOWN",link_id);
632 host_link.id = host_id;
633 host_link.link_up = link_up;
634 host_link.link_down = link_down;
635 sg_platf_new_hostlink(&host_link);
643 xbt_dynar_free(&radical_ends);
645 xbt_dynar_free(&radical_elements);
648 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
650 using simgrid::surf::NetCard;
651 using simgrid::surf::AsCluster;
653 char *host_id = NULL;
654 char *link_id = NULL;
655 char *router_id = NULL;
658 host_id = bprintf("peer_%s", peer->id);
659 link_id = bprintf("link_%s", peer->id);
660 router_id = bprintf("router_%s", peer->id);
662 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
663 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
665 AS.routing = A_surfxml_AS_routing_Cluster;
666 sg_platf_new_AS_begin(&AS);
668 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
669 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
670 memset(&host, 0, sizeof(host));
673 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
674 xbt_dynar_push(host.speed_peak,&peer->speed);
676 //host.power_peak = peer->power;
677 host.speed_trace = peer->availability_trace;
678 host.state_trace = peer->state_trace;
679 host.core_amount = 1;
680 sg_platf_new_host(&host);
681 xbt_dynar_free(&host.speed_peak);
683 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
684 memset(&link, 0, sizeof(link));
685 link.policy = SURF_LINK_SHARED;
686 link.latency = peer->lat;
688 char* link_up = bprintf("%s_UP",link_id);
689 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
690 peer->bw_out, peer->lat);
692 link.bandwidth = peer->bw_out;
693 sg_platf_new_link(&link);
695 char* link_down = bprintf("%s_DOWN",link_id);
696 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
697 peer->bw_in, peer->lat);
699 link.bandwidth = peer->bw_in;
700 sg_platf_new_link(&link);
702 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
703 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
704 memset(&host_link, 0, sizeof(host_link));
705 host_link.id = host_id;
706 host_link.link_up = link_up;
707 host_link.link_down = link_down;
708 sg_platf_new_hostlink(&host_link);
710 XBT_DEBUG("<router id=\"%s\"/>", router_id);
711 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
712 memset(&router, 0, sizeof(router));
713 router.id = router_id;
714 router.coord = peer->coord;
715 sg_platf_new_router(&router);
716 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
719 sg_platf_new_AS_end();
722 //xbt_dynar_free(&tab_elements_num);
730 // static void routing_parse_Srandom(void)
732 // double mean, std, min, max, seed;
733 // char *random_id = A_surfxml_random_id;
734 // char *random_radical = A_surfxml_random_radical;
735 // char *rd_name = NULL;
737 // mean = surf_parse_get_double(A_surfxml_random_mean);
738 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
739 // min = surf_parse_get_double(A_surfxml_random_min);
740 // max = surf_parse_get_double(A_surfxml_random_max);
741 // seed = surf_parse_get_double(A_surfxml_random_seed);
745 // random_data_t random = xbt_new0(s_random_data_t, 1);
748 // xbt_dynar_t radical_elements;
749 // unsigned int iter;
752 // xbt_dynar_t radical_ends;
754 // switch (A_surfxml_random_generator) {
755 // case AU_surfxml_random_generator:
756 // case A_surfxml_random_generator_NONE:
757 // random->generator = NONE;
759 // case A_surfxml_random_generator_DRAND48:
760 // random->generator = DRAND48;
762 // case A_surfxml_random_generator_RAND:
763 // random->generator = RAND;
765 // case A_surfxml_random_generator_RNGSTREAM:
766 // random->generator = RNGSTREAM;
769 // surf_parse_error("Invalid random generator");
772 // random->seed = seed;
773 // random->min = min;
774 // random->max = max;
776 // /* Check user stupidities */
778 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
780 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
782 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
784 // /* normalize the mean and standard deviation before storing */
785 // random->mean = (mean - min) / (max - min);
786 // random->std = std / (max - min);
788 // if (random->mean * (1 - random->mean) < random->std * random->std)
789 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
790 // random->mean, random->std);
793 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
794 // random_id, random->min, random->max, random->mean, random->std,
795 // (int)random->generator, random->seed, random_radical);
797 // if (!random_value)
798 // random_value = xbt_dict_new_homogeneous(free);
800 // if (!strcmp(random_radical, "")) {
801 // res = random_generate(random);
802 // rd_value = bprintf("%f", res);
803 // xbt_dict_set(random_value, random_id, rd_value, NULL);
805 // radical_elements = xbt_str_split(random_radical, ",");
806 // xbt_dynar_foreach(radical_elements, iter, groups) {
807 // radical_ends = xbt_str_split(groups, "-");
808 // switch (xbt_dynar_length(radical_ends)) {
810 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
811 // "Custom Random '%s' already exists !", random_id);
812 // res = random_generate(random);
814 // bprintf("%s%d", random_id,
815 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
816 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
821 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
822 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
823 // for (i = start; i <= end; i++) {
824 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
825 // "Custom Random '%s' already exists !", bprintf("%s%d",
828 // res = random_generate(random);
829 // tmpbuf = bprintf("%s%d", random_id, i);
830 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
835 // XBT_CRITICAL("Malformed radical");
838 // res = random_generate(random);
839 // rd_name = bprintf("%s_router", random_id);
840 // rd_value = bprintf("%f", res);
841 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
843 // xbt_dynar_free(&radical_ends);
846 // xbt_dynar_free(&radical_elements);
850 static void check_disk_attachment()
852 xbt_lib_cursor_t cursor;
855 simgrid::surf::NetCard *host_elm;
856 xbt_lib_foreach(storage_lib, cursor, key, data) {
857 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
858 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));
859 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
861 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
866 void routing_register_callbacks()
868 simgrid::surf::on_postparse.connect(check_disk_attachment);
870 instr_routing_define_callbacks();
874 * \brief Recursive function for finalize
876 * \param rc the source host name
878 * This fuction is call by "finalize". It allow to finalize the
879 * AS or routing components. It delete all the structures.
881 static void finalize_rec(simgrid::surf::As *as) {
882 xbt_dict_cursor_t cursor = NULL;
886 xbt_dict_foreach(as->sons_, cursor, key, elem) {
893 /** \brief Frees all memory allocated by the routing module */
894 void routing_exit(void) {
895 delete routing_platf;
901 RoutingPlatf::RoutingPlatf(Link *loopback)
902 : loopback_(loopback)
905 RoutingPlatf::~RoutingPlatf()
907 xbt_dynar_free(&lastRoute_);
914 AS_t surf_AS_get_routing_root() {
915 return routing_platf->root_;
918 const char *surf_AS_get_name(simgrid::surf::As *as) {
922 static simgrid::surf::As *surf_AS_recursive_get_by_name(
923 simgrid::surf::As *current, const char * name)
925 xbt_dict_cursor_t cursor = NULL;
928 simgrid::surf::As *tmp = NULL;
930 if(!strcmp(current->name_, name))
933 xbt_dict_foreach(current->sons_, cursor, key, elem) {
934 tmp = surf_AS_recursive_get_by_name(elem, name);
942 simgrid::surf::As *surf_AS_get_by_name(const char * name)
944 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
946 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
950 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
955 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
957 xbt_dynar_t elms = as->vertices_;
958 int count = xbt_dynar_length(elms);
959 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
960 for (int index = 0; index < count; index++) {
962 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
963 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
965 xbt_dynar_push(res, &delm);
971 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
972 as->getGraph(graph, nodes, edges);