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_private.hpp"
9 #include "surf_routing_cluster.hpp"
11 #include "simgrid/platf_interface.h" // platform creation API internal interface
12 #include "simgrid/sg_config.h"
13 #include "storage_interface.hpp"
14 #include "src/surf/platform.hpp"
15 #include "surf/surfxml_parse_values.h"
17 #include "src/surf/surf_routing_cluster_torus.hpp"
18 #include "src/surf/surf_routing_cluster_fat_tree.hpp"
19 #include "src/surf/surf_routing_dijkstra.hpp"
20 #include "src/surf/surf_routing_floyd.hpp"
21 #include "src/surf/surf_routing_full.hpp"
22 #include "src/surf/surf_routing_vivaldi.hpp"
23 #include <surf/surfxml_parse.h> // FIXME: move that back to the parsing area
27 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
33 simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
34 simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
36 As::As(const char*name)
37 : name_(xbt_strdup(name))
41 xbt_dict_free(&sons_);
42 xbt_dynar_free(&vertices_);
43 xbt_dynar_free(&upDownLinks);
44 if (nullptr != bypassRoutes_)
45 for (auto &kv : *bypassRoutes_)
56 xbt_dynar_t As::getOneLinkRoutes() {
60 int As::addComponent(NetCard *elm) {
61 XBT_DEBUG("Load component \"%s\"", elm->name());
62 xbt_dynar_push_as(vertices_, NetCard*, elm);
63 return xbt_dynar_length(vertices_)-1;
66 void As::addRoute(sg_platf_route_cbarg_t /*route*/){
67 xbt_die("AS %s does not accept new routes (wrong class).",name_);
70 std::vector<Link*> *As::getBypassRoute(NetCard *src, NetCard *dst)
72 // If never set a bypass route return NULL without any further computations
73 XBT_DEBUG("generic_get_bypassroute from %s to %s", src->name(), dst->name());
74 if (bypassRoutes_ == nullptr)
77 std::vector<Link*> *bypassedRoute = nullptr;
79 if(dst->containingAS() == this && src->containingAS() == this ){
80 char *route_name = bprintf("%s#%s", src->name(), dst->name());
81 if (bypassRoutes_->find(route_name) != bypassRoutes_->end()) {
82 bypassedRoute = bypassRoutes_->at(route_name);
83 XBT_DEBUG("Found a bypass route with %ld links",bypassedRoute->size());
89 int index_src, index_dst;
90 As **current_src = NULL;
91 As **current_dst = NULL;
93 As *src_as = src->containingAS();
94 As *dst_as = dst->containingAS();
96 /* (2) find the path to the root routing component */
97 xbt_dynar_t path_src = xbt_dynar_new(sizeof(As*), NULL);
99 while (current != NULL) {
100 xbt_dynar_push(path_src, ¤t);
101 current = current->father_;
103 xbt_dynar_t path_dst = xbt_dynar_new(sizeof(As*), NULL);
105 while (current != NULL) {
106 xbt_dynar_push(path_dst, ¤t);
107 current = current->father_;
110 /* (3) find the common father */
111 index_src = path_src->used - 1;
112 index_dst = path_dst->used - 1;
113 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
114 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
115 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
116 xbt_dynar_pop_ptr(path_src);
117 xbt_dynar_pop_ptr(path_dst);
120 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
121 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
124 int max_index_src = path_src->used - 1;
125 int max_index_dst = path_dst->used - 1;
127 int max_index = std::max(max_index_src, max_index_dst);
129 for (int max = 0; max <= max_index; max++) {
130 for (int i = 0; i < max; i++) {
131 if (i <= max_index_src && max <= max_index_dst) {
132 char *route_name = bprintf("%s#%s",
133 (*(As **) (xbt_dynar_get_ptr(path_src, i)))->name_,
134 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
135 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
136 bypassedRoute = bypassRoutes_->at(route_name);
137 xbt_free(route_name);
141 if (max <= max_index_src && i <= max_index_dst) {
142 char *route_name = bprintf("%s#%s",
143 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
144 (*(As **) (xbt_dynar_get_ptr(path_dst, i)))->name_);
145 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
146 bypassedRoute = bypassRoutes_->at(route_name);
147 xbt_free(route_name);
156 if (max <= max_index_src && max <= max_index_dst) {
157 char *route_name = bprintf("%s#%s",
158 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
159 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
161 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
162 bypassedRoute = bypassRoutes_->at(route_name);
163 xbt_free(route_name);
169 xbt_dynar_free(&path_src);
170 xbt_dynar_free(&path_dst);
172 return bypassedRoute;
175 void As::addBypassRoute(sg_platf_route_cbarg_t e_route){
176 const char *src = e_route->src;
177 const char *dst = e_route->dst;
179 if(bypassRoutes_ == nullptr)
180 bypassRoutes_ = new std::map<std::string, std::vector<Link*>*>();
182 char *route_name = bprintf("%s#%s", src, dst);
184 /* Argument validity checks */
185 if (e_route->gw_dst) {
186 XBT_DEBUG("Load bypassASroute from %s@%s to %s@%s",
187 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
188 xbt_assert(!xbt_dynar_is_empty(e_route->link_list), "Bypass route between %s@%s and %s@%s cannot be empty.",
189 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
190 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(),
191 "The bypass route between %s@%s and %s@%s already exists.",
192 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
194 XBT_DEBUG("Load bypassRoute from %s to %s", src, dst);
195 xbt_assert(!xbt_dynar_is_empty(e_route->link_list), "Bypass route between %s and %s cannot be empty.", src, dst);
196 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(), "The bypass route between %s and %s already exists.", src, dst);
199 /* Build the value that will be stored in the dict */
200 std::vector<Link*> *newRoute = new std::vector<Link*>();
203 xbt_dynar_foreach(e_route->link_list, cpt, linkName) {
204 Link *link = Link::byName(linkName);
206 newRoute->push_back(link);
208 THROWF(mismatch_error, 0, "Link '%s' not found", linkName);
212 bypassRoutes_->insert({route_name, newRoute});
213 xbt_free(route_name);
216 }} // namespace simgrid::surf
219 * @ingroup SURF_build_api
220 * @brief A library containing all known hosts
222 xbt_dict_t host_list;
224 int COORD_HOST_LEVEL=0; //Coordinates level
226 int MSG_FILE_LEVEL; //Msg file level
228 int SIMIX_STORAGE_LEVEL; //Simix storage level
229 int MSG_STORAGE_LEVEL; //Msg storage level
231 xbt_lib_t as_router_lib;
232 int ROUTING_ASR_LEVEL; //Routing level
233 int COORD_ASR_LEVEL; //Coordinates level
234 int NS3_ASR_LEVEL; //host node for ns3
235 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
237 /** @brief Retrieve a netcard from its name
239 * Netcards are the thing that connect host or routers to the network
241 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
243 sg_host_t h = sg_host_by_name(name);
244 simgrid::surf::NetCard *netcard = h==NULL ? NULL: h->pimpl_netcard;
246 netcard = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
251 simgrid::surf::RoutingPlatf *routing_platf = NULL;
254 /** The current AS in the parsing */
255 static simgrid::surf::As *current_routing = NULL;
256 simgrid::surf::As* routing_get_current()
258 return current_routing;
261 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
262 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
264 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
265 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
266 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
267 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
268 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
270 s_surf_parsing_link_up_down_t link_up_down;
271 link_up_down.link_up = Link::byName(netcard_arg->link_up);
272 link_up_down.link_down = Link::byName(netcard_arg->link_down);
274 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
275 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
277 // If dynar is is greater than netcard id and if the host_link is already defined
278 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
279 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
280 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
282 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
283 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
286 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
288 tmgr_trace_t tmgr_trace;
289 if (!trace->file || strcmp(trace->file, "") != 0) {
290 tmgr_trace = tmgr_trace_new_from_file(trace->file);
292 xbt_assert(strcmp(trace->pc_data, ""),
293 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
294 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
296 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
300 * \brief Make a new routing component to the platform
302 * Add a new autonomous system to the platform. Any elements (such as host,
303 * router or sub-AS) added after this call and before the corresponding call
304 * to sg_platf_new_AS_close() will be added to this AS.
306 * Once this function was called, the configuration concerning the used
307 * models cannot be changed anymore.
309 * @param AS_id name of this autonomous system. Must be unique in the platform
310 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
312 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
314 XBT_DEBUG("routing_AS_begin");
316 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
317 "Refusing to create a second AS called \"%s\".", AS->id);
319 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
320 * any further config now that we created some real content */
323 /* search the routing model */
324 simgrid::surf::As *new_as = NULL;
326 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
327 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
328 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
329 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
330 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
331 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
332 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
333 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
334 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
335 default: xbt_die("Not a valid model!"); break;
338 /* make a new routing component */
339 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
341 if (current_routing == NULL && routing_platf->root_ == NULL) {
342 /* it is the first one */
343 new_as->father_ = NULL;
344 routing_platf->root_ = new_as;
346 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
348 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
349 "The AS \"%s\" already exists", AS->id);
350 /* it is a part of the tree */
351 new_as->father_ = current_routing;
352 /* set the father behavior */
353 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
354 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
355 /* add to the sons dictionary */
356 xbt_dict_set(current_routing->sons_, AS->id,
357 (void *) new_as, NULL);
358 /* add to the father element list */
359 netcard->setId(current_routing->addComponent(netcard));
361 THROWF(arg_error, 0, "All defined components must belong to a AS");
364 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
365 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
367 /* set the new current component of the tree */
368 current_routing = new_as;
369 current_routing->netcard_ = netcard;
371 simgrid::surf::netcardCreatedCallbacks(netcard);
372 simgrid::surf::asCreatedCallbacks(new_as);
376 * \brief Specify that the current description of AS is finished
378 * Once you've declared all the content of your AS, you have to close
379 * it with this call. Your AS is not usable until you call this function.
381 * @fixme: this call is not as robust as wanted: bad things WILL happen
382 * if you call it twice for the same AS, or if you forget calling it, or
383 * even if you add stuff to a closed AS
386 void routing_AS_end()
388 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
389 current_routing->Seal();
390 current_routing = current_routing->father_;
393 /* Aux Business methods */
396 * \brief Get the AS father and the first elements of the chain
398 * \param src the source host name
399 * \param dst the destination host name
401 * Get the common father of the to processing units, and the first different
402 * father in the chain
404 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
409 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
410 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
411 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
412 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
415 simgrid::surf::As *current_src;
416 simgrid::surf::As *current_dst;
417 simgrid::surf::As *father;
419 /* (1) find the path to root of src and dst*/
420 simgrid::surf::As *src_as = src->containingAS();
421 simgrid::surf::As *dst_as = dst->containingAS();
423 xbt_assert(src_as, "Host %s must be in an AS", src->name());
424 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
426 /* (2) find the path to the root routing component */
427 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
428 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
429 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
430 path_src[index_src++] = current;
432 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
433 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
434 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
435 path_dst[index_dst++] = current;
438 /* (3) find the common father */
440 current_src = path_src[--index_src];
441 current_dst = path_dst[--index_dst];
442 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
444 /* (4) they are not in the same routing component, make the path */
445 if (current_src == current_dst)
446 father = current_src;
448 father = path_src[index_src + 1];
450 /* (5) result generation */
451 *res_father = father; /* first the common father of src and dst */
452 *res_src = current_src; /* second the first different father of src */
453 *res_dst = current_dst; /* three the first different father of dst */
455 #undef ROUTING_HIERARCHY_MAXDEPTH
459 * \brief Recursive function for get_route_and_latency
461 * \param src the source host name
462 * \param dst the destination host name
463 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
464 * \param *latency the latency, if needed
466 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
467 xbt_dynar_t * links, double *latency)
469 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
470 memset(&route,0,sizeof(route));
472 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
473 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
475 /* Find how src and dst are interconnected */
476 simgrid::surf::As *common_father, *src_father, *dst_father;
477 elements_father(src, dst, &common_father, &src_father, &dst_father);
478 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
479 common_father->name_, src_father->name_, dst_father->name_);
481 /* Check whether a direct bypass is defined. If so, use it and bail out */
482 std::vector<Link*> *bypassed_route = common_father->getBypassRoute(src, dst);
483 if (nullptr != bypassed_route) {
484 for (Link *link : *bypassed_route) {
485 xbt_dynar_push(*links,&link);
487 *latency += link->getLatency();
492 /* If src and dst are in the same AS, life is good */
493 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
494 route.link_list = *links;
495 common_father->getRouteAndLatency(src, dst, &route, latency);
499 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
501 route.link_list = xbt_dynar_new(sizeof(Link*), NULL);
503 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
504 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
505 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
507 /* If source gateway is not our source, we have to recursively find our way up to this point */
508 if (src != route.gw_src)
509 _get_route_and_latency(src, route.gw_src, links, latency);
510 xbt_dynar_merge(links, &route.link_list);
512 /* If dest gateway is not our destination, we have to recursively find our way from this point */
513 if (route.gw_dst != dst)
514 _get_route_and_latency(route.gw_dst, dst, links, latency);
522 * \brief Find a route between hosts
524 * \param src the network_element_t for src host
525 * \param dst the network_element_t for dst host
526 * \param route where to store the list of links.
527 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
528 * \param latency where to store the latency experienced on the path (or NULL if not interested)
529 * It is the caller responsability to initialize latency to 0 (we add to provided route)
532 * walk through the routing components tree and find a route between hosts
533 * by calling each "get_route" function in each routing component.
535 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
537 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
538 if (NULL == *route) {
539 xbt_dynar_reset(routing_platf->lastRoute_);
540 *route = routing_platf->lastRoute_;
543 _get_route_and_latency(src, dst, route, latency);
546 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
548 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
550 //adding my one link routes
551 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
553 xbt_dynar_merge(&ret,&onelink_mine);
557 xbt_dict_cursor_t cursor = NULL;
559 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
560 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
562 xbt_dynar_merge(&ret,&onelink_child);
567 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
568 return _recursiveGetOneLinkRoutes(root_);
574 /** @brief create the root AS */
575 void routing_model_create( void *loopback)
577 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
580 /* ************************************************************************** */
581 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
583 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
584 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
586 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
587 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
589 cluster->backbone_ = bb;
590 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
593 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
596 char *groups , *host_id , *link_id = NULL;
598 xbt_dynar_t radical_elements;
599 xbt_dynar_t radical_ends;
602 radical_elements = xbt_str_split(cabinet->radical, ",");
603 xbt_dynar_foreach(radical_elements, iter, groups) {
605 radical_ends = xbt_str_split(groups, "-");
606 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
608 switch (xbt_dynar_length(radical_ends)) {
613 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
616 surf_parse_error("Malformed radical");
619 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
620 memset(&host, 0, sizeof(host));
621 host.initiallyOn = 1;
623 host.speed_scale = 1.0;
624 host.core_amount = 1;
626 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
627 memset(&link, 0, sizeof(link));
628 link.initiallyOn = 1;
629 link.policy = SURF_LINK_FULLDUPLEX;
630 link.latency = cabinet->lat;
631 link.bandwidth = cabinet->bw;
633 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
634 memset(&host_link, 0, sizeof(host_link));
636 for (i = start; i <= end; i++) {
637 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
638 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
641 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
642 xbt_dynar_push(host.speed_peak,&cabinet->speed);
643 sg_platf_new_host(&host);
644 xbt_dynar_free(&host.speed_peak);
645 sg_platf_new_link(&link);
647 char* link_up = bprintf("%s_UP",link_id);
648 char* link_down = bprintf("%s_DOWN",link_id);
649 host_link.id = host_id;
650 host_link.link_up = link_up;
651 host_link.link_down = link_down;
652 sg_platf_new_hostlink(&host_link);
660 xbt_dynar_free(&radical_ends);
662 xbt_dynar_free(&radical_elements);
665 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
667 using simgrid::surf::NetCard;
668 using simgrid::surf::AsCluster;
670 char *host_id = NULL;
671 char *link_id = NULL;
672 char *router_id = NULL;
675 host_id = HOST_PEER(peer->id);
676 link_id = LINK_PEER(peer->id);
677 router_id = ROUTER_PEER(peer->id);
679 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
680 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
682 AS.routing = A_surfxml_AS_routing_Cluster;
683 sg_platf_new_AS_begin(&AS);
685 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
686 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
687 memset(&host, 0, sizeof(host));
688 host.initiallyOn = 1;
691 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
692 xbt_dynar_push(host.speed_peak,&peer->speed);
694 //host.power_peak = peer->power;
695 host.speed_scale = 1.0;
696 host.speed_trace = peer->availability_trace;
697 host.state_trace = peer->state_trace;
698 host.core_amount = 1;
699 sg_platf_new_host(&host);
700 xbt_dynar_free(&host.speed_peak);
702 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
703 memset(&link, 0, sizeof(link));
704 link.initiallyOn = 1;
705 link.policy = SURF_LINK_SHARED;
706 link.latency = peer->lat;
708 char* link_up = bprintf("%s_UP",link_id);
709 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
710 peer->bw_out, peer->lat);
712 link.bandwidth = peer->bw_out;
713 sg_platf_new_link(&link);
715 char* link_down = bprintf("%s_DOWN",link_id);
716 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
717 peer->bw_in, peer->lat);
719 link.bandwidth = peer->bw_in;
720 sg_platf_new_link(&link);
722 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
723 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
724 memset(&host_link, 0, sizeof(host_link));
725 host_link.id = host_id;
726 host_link.link_up = link_up;
727 host_link.link_down = link_down;
728 sg_platf_new_hostlink(&host_link);
730 XBT_DEBUG("<router id=\"%s\"/>", router_id);
731 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
732 memset(&router, 0, sizeof(router));
733 router.id = router_id;
734 router.coord = peer->coord;
735 sg_platf_new_router(&router);
736 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
739 sg_platf_new_AS_end();
742 //xbt_dynar_free(&tab_elements_num);
750 // static void routing_parse_Srandom(void)
752 // double mean, std, min, max, seed;
753 // char *random_id = A_surfxml_random_id;
754 // char *random_radical = A_surfxml_random_radical;
755 // char *rd_name = NULL;
757 // mean = surf_parse_get_double(A_surfxml_random_mean);
758 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
759 // min = surf_parse_get_double(A_surfxml_random_min);
760 // max = surf_parse_get_double(A_surfxml_random_max);
761 // seed = surf_parse_get_double(A_surfxml_random_seed);
765 // random_data_t random = xbt_new0(s_random_data_t, 1);
768 // xbt_dynar_t radical_elements;
769 // unsigned int iter;
772 // xbt_dynar_t radical_ends;
774 // switch (A_surfxml_random_generator) {
775 // case AU_surfxml_random_generator:
776 // case A_surfxml_random_generator_NONE:
777 // random->generator = NONE;
779 // case A_surfxml_random_generator_DRAND48:
780 // random->generator = DRAND48;
782 // case A_surfxml_random_generator_RAND:
783 // random->generator = RAND;
785 // case A_surfxml_random_generator_RNGSTREAM:
786 // random->generator = RNGSTREAM;
789 // surf_parse_error("Invalid random generator");
792 // random->seed = seed;
793 // random->min = min;
794 // random->max = max;
796 // /* Check user stupidities */
798 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
800 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
802 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
804 // /* normalize the mean and standard deviation before storing */
805 // random->mean = (mean - min) / (max - min);
806 // random->std = std / (max - min);
808 // if (random->mean * (1 - random->mean) < random->std * random->std)
809 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
810 // random->mean, random->std);
813 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
814 // random_id, random->min, random->max, random->mean, random->std,
815 // (int)random->generator, random->seed, random_radical);
817 // if (!random_value)
818 // random_value = xbt_dict_new_homogeneous(free);
820 // if (!strcmp(random_radical, "")) {
821 // res = random_generate(random);
822 // rd_value = bprintf("%f", res);
823 // xbt_dict_set(random_value, random_id, rd_value, NULL);
825 // radical_elements = xbt_str_split(random_radical, ",");
826 // xbt_dynar_foreach(radical_elements, iter, groups) {
827 // radical_ends = xbt_str_split(groups, "-");
828 // switch (xbt_dynar_length(radical_ends)) {
830 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
831 // "Custom Random '%s' already exists !", random_id);
832 // res = random_generate(random);
834 // bprintf("%s%d", random_id,
835 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
836 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
841 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
842 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
843 // for (i = start; i <= end; i++) {
844 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
845 // "Custom Random '%s' already exists !", bprintf("%s%d",
848 // res = random_generate(random);
849 // tmpbuf = bprintf("%s%d", random_id, i);
850 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
855 // XBT_CRITICAL("Malformed radical");
858 // res = random_generate(random);
859 // rd_name = bprintf("%s_router", random_id);
860 // rd_value = bprintf("%f", res);
861 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
863 // xbt_dynar_free(&radical_ends);
866 // xbt_dynar_free(&radical_elements);
870 static void check_disk_attachment()
872 xbt_lib_cursor_t cursor;
875 simgrid::surf::NetCard *host_elm;
876 xbt_lib_foreach(storage_lib, cursor, key, data) {
877 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
878 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));
879 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
881 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
886 void routing_register_callbacks()
888 simgrid::surf::on_postparse.connect(check_disk_attachment);
890 instr_routing_define_callbacks();
894 * \brief Recursive function for finalize
896 * \param rc the source host name
898 * This fuction is call by "finalize". It allow to finalize the
899 * AS or routing components. It delete all the structures.
901 static void finalize_rec(simgrid::surf::As *as) {
902 xbt_dict_cursor_t cursor = NULL;
906 xbt_dict_foreach(as->sons_, cursor, key, elem) {
913 /** \brief Frees all memory allocated by the routing module */
914 void routing_exit(void) {
915 delete routing_platf;
921 RoutingPlatf::RoutingPlatf(void *loopback)
922 : loopback_(loopback)
925 RoutingPlatf::~RoutingPlatf()
927 xbt_dynar_free(&lastRoute_);
934 AS_t surf_AS_get_routing_root() {
935 return routing_platf->root_;
938 const char *surf_AS_get_name(simgrid::surf::As *as) {
942 static simgrid::surf::As *surf_AS_recursive_get_by_name(
943 simgrid::surf::As *current, const char * name)
945 xbt_dict_cursor_t cursor = NULL;
948 simgrid::surf::As *tmp = NULL;
950 if(!strcmp(current->name_, name))
953 xbt_dict_foreach(current->sons_, cursor, key, elem) {
954 tmp = surf_AS_recursive_get_by_name(elem, name);
962 simgrid::surf::As *surf_AS_get_by_name(const char * name)
964 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
966 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
970 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
975 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
977 xbt_dynar_t elms = as->vertices_;
978 int count = xbt_dynar_length(elms);
979 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
980 for (int index = 0; index < count; index++) {
982 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
983 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
985 xbt_dynar_push(res, &delm);
991 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
992 as->getGraph(graph, nodes, edges);