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"
26 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
32 simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
33 simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
35 As::As(const char*name)
36 : name_(xbt_strdup(name))
40 xbt_dict_free(&sons_);
41 xbt_dynar_free(&vertices_);
42 xbt_dynar_free(&upDownLinks);
43 if (nullptr != bypassRoutes_)
44 for (auto &kv : *bypassRoutes_)
55 xbt_dynar_t As::getOneLinkRoutes() {
59 int As::addComponent(NetCard *elm) {
60 XBT_DEBUG("Load component \"%s\"", elm->name());
61 xbt_dynar_push_as(vertices_, NetCard*, elm);
62 return xbt_dynar_length(vertices_)-1;
65 void As::addRoute(sg_platf_route_cbarg_t /*route*/){
66 xbt_die("AS %s does not accept new routes (wrong class).",name_);
69 std::vector<Link*> *As::getBypassRoute(NetCard *src, NetCard *dst)
71 // If never set a bypass route return NULL without any further computations
72 XBT_DEBUG("generic_get_bypassroute from %s to %s", src->name(), dst->name());
73 if (bypassRoutes_ == nullptr)
76 std::vector<Link*> *bypassedRoute = nullptr;
78 if(dst->containingAS() == this && src->containingAS() == this ){
79 char *route_name = bprintf("%s#%s", src->name(), dst->name());
80 if (bypassRoutes_->find(route_name) != bypassRoutes_->end()) {
81 bypassedRoute = bypassRoutes_->at(route_name);
82 XBT_DEBUG("Found a bypass route with %ld links",bypassedRoute->size());
88 int index_src, index_dst;
89 As **current_src = NULL;
90 As **current_dst = NULL;
92 As *src_as = src->containingAS();
93 As *dst_as = dst->containingAS();
95 /* (2) find the path to the root routing component */
96 xbt_dynar_t path_src = xbt_dynar_new(sizeof(As*), NULL);
98 while (current != NULL) {
99 xbt_dynar_push(path_src, ¤t);
100 current = current->father_;
102 xbt_dynar_t path_dst = xbt_dynar_new(sizeof(As*), NULL);
104 while (current != NULL) {
105 xbt_dynar_push(path_dst, ¤t);
106 current = current->father_;
109 /* (3) find the common father */
110 index_src = path_src->used - 1;
111 index_dst = path_dst->used - 1;
112 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
113 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
114 while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
115 xbt_dynar_pop_ptr(path_src);
116 xbt_dynar_pop_ptr(path_dst);
119 current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
120 current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
123 int max_index_src = path_src->used - 1;
124 int max_index_dst = path_dst->used - 1;
126 int max_index = std::max(max_index_src, max_index_dst);
128 for (int max = 0; max <= max_index; max++) {
129 for (int i = 0; i < max; i++) {
130 if (i <= max_index_src && max <= max_index_dst) {
131 char *route_name = bprintf("%s#%s",
132 (*(As **) (xbt_dynar_get_ptr(path_src, i)))->name_,
133 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
134 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
135 bypassedRoute = bypassRoutes_->at(route_name);
136 xbt_free(route_name);
140 if (max <= max_index_src && i <= max_index_dst) {
141 char *route_name = bprintf("%s#%s",
142 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
143 (*(As **) (xbt_dynar_get_ptr(path_dst, i)))->name_);
144 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
145 bypassedRoute = bypassRoutes_->at(route_name);
146 xbt_free(route_name);
155 if (max <= max_index_src && max <= max_index_dst) {
156 char *route_name = bprintf("%s#%s",
157 (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
158 (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
160 if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
161 bypassedRoute = bypassRoutes_->at(route_name);
162 xbt_free(route_name);
168 xbt_dynar_free(&path_src);
169 xbt_dynar_free(&path_dst);
171 return bypassedRoute;
174 void As::addBypassRoute(sg_platf_route_cbarg_t e_route){
175 const char *src = e_route->src;
176 const char *dst = e_route->dst;
178 if(bypassRoutes_ == nullptr)
179 bypassRoutes_ = new std::map<std::string, std::vector<Link*>*>();
181 char *route_name = bprintf("%s#%s", src, dst);
183 /* Argument validity checks */
184 if (e_route->gw_dst) {
185 XBT_DEBUG("Load bypassASroute from %s@%s to %s@%s",
186 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
187 xbt_assert(!xbt_dynar_is_empty(e_route->link_list), "Bypass route between %s@%s and %s@%s cannot be empty.",
188 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
189 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(),
190 "The bypass route between %s@%s and %s@%s already exists.",
191 src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
193 XBT_DEBUG("Load bypassRoute from %s to %s", src, dst);
194 xbt_assert(!xbt_dynar_is_empty(e_route->link_list), "Bypass route between %s and %s cannot be empty.", src, dst);
195 xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(), "The bypass route between %s and %s already exists.", src, dst);
198 /* Build the value that will be stored in the dict */
199 std::vector<Link*> *newRoute = new std::vector<Link*>();
202 xbt_dynar_foreach(e_route->link_list, cpt, linkName) {
203 Link *link = Link::byName(linkName);
205 newRoute->push_back(link);
207 THROWF(mismatch_error, 0, "Link '%s' not found", linkName);
211 bypassRoutes_->insert({route_name, newRoute});
212 xbt_free(route_name);
215 }} // namespace simgrid::surf
218 * @ingroup SURF_build_api
219 * @brief A library containing all known hosts
221 xbt_dict_t host_list;
223 int COORD_HOST_LEVEL=0; //Coordinates level
225 int MSG_FILE_LEVEL; //Msg file level
227 int SIMIX_STORAGE_LEVEL; //Simix storage level
228 int MSG_STORAGE_LEVEL; //Msg storage level
230 xbt_lib_t as_router_lib;
231 int ROUTING_ASR_LEVEL; //Routing level
232 int COORD_ASR_LEVEL; //Coordinates level
233 int NS3_ASR_LEVEL; //host node for ns3
234 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
236 /** @brief Retrieve a netcard from its name
238 * Netcards are the thing that connect host or routers to the network
240 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
242 sg_host_t h = sg_host_by_name(name);
243 simgrid::surf::NetCard *netcard = h==NULL ? NULL: h->pimpl_netcard;
245 netcard = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
250 simgrid::surf::RoutingPlatf *routing_platf = NULL;
253 /** The current AS in the parsing */
254 static simgrid::surf::As *current_routing = NULL;
255 simgrid::surf::As* routing_get_current()
257 return current_routing;
260 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
261 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
263 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
264 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
265 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
266 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
267 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
269 s_surf_parsing_link_up_down_t link_up_down;
270 link_up_down.link_up = Link::byName(netcard_arg->link_up);
271 link_up_down.link_down = Link::byName(netcard_arg->link_down);
273 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
274 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
276 // If dynar is is greater than netcard id and if the host_link is already defined
277 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
278 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
279 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
281 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
282 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
285 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
287 tmgr_trace_t tmgr_trace;
288 if (!trace->file || strcmp(trace->file, "") != 0) {
289 tmgr_trace = tmgr_trace_new_from_file(trace->file);
291 xbt_assert(strcmp(trace->pc_data, ""),
292 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
293 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
295 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
299 * \brief Make a new routing component to the platform
301 * Add a new autonomous system to the platform. Any elements (such as host,
302 * router or sub-AS) added after this call and before the corresponding call
303 * to sg_platf_new_AS_close() will be added to this AS.
305 * Once this function was called, the configuration concerning the used
306 * models cannot be changed anymore.
308 * @param AS_id name of this autonomous system. Must be unique in the platform
309 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
311 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
313 XBT_DEBUG("routing_AS_begin");
315 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
316 "Refusing to create a second AS called \"%s\".", AS->id);
318 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
319 * any further config now that we created some real content */
322 /* search the routing model */
323 simgrid::surf::As *new_as = NULL;
325 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
326 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
327 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
328 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
329 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
330 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
331 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
332 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
333 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
334 default: xbt_die("Not a valid model!"); break;
337 /* make a new routing component */
338 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
340 if (current_routing == NULL && routing_platf->root_ == NULL) {
341 /* it is the first one */
342 new_as->father_ = NULL;
343 routing_platf->root_ = new_as;
345 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
347 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
348 "The AS \"%s\" already exists", AS->id);
349 /* it is a part of the tree */
350 new_as->father_ = current_routing;
351 /* set the father behavior */
352 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
353 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
354 /* add to the sons dictionary */
355 xbt_dict_set(current_routing->sons_, AS->id,
356 (void *) new_as, NULL);
357 /* add to the father element list */
358 netcard->setId(current_routing->addComponent(netcard));
360 THROWF(arg_error, 0, "All defined components must belong to a AS");
363 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
364 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
366 /* set the new current component of the tree */
367 current_routing = new_as;
368 current_routing->netcard_ = netcard;
370 simgrid::surf::netcardCreatedCallbacks(netcard);
371 simgrid::surf::asCreatedCallbacks(new_as);
375 * \brief Specify that the current description of AS is finished
377 * Once you've declared all the content of your AS, you have to close
378 * it with this call. Your AS is not usable until you call this function.
380 * @fixme: this call is not as robust as wanted: bad things WILL happen
381 * if you call it twice for the same AS, or if you forget calling it, or
382 * even if you add stuff to a closed AS
385 void routing_AS_end()
387 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
388 current_routing->Seal();
389 current_routing = current_routing->father_;
392 /* Aux Business methods */
395 * \brief Get the AS father and the first elements of the chain
397 * \param src the source host name
398 * \param dst the destination host name
400 * Get the common father of the to processing units, and the first different
401 * father in the chain
403 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
408 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
409 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
410 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
411 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
414 simgrid::surf::As *current_src;
415 simgrid::surf::As *current_dst;
416 simgrid::surf::As *father;
418 /* (1) find the path to root of src and dst*/
419 simgrid::surf::As *src_as = src->containingAS();
420 simgrid::surf::As *dst_as = dst->containingAS();
422 xbt_assert(src_as, "Host %s must be in an AS", src->name());
423 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
425 /* (2) find the path to the root routing component */
426 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
427 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
428 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
429 path_src[index_src++] = current;
431 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
432 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
433 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
434 path_dst[index_dst++] = current;
437 /* (3) find the common father */
439 current_src = path_src[--index_src];
440 current_dst = path_dst[--index_dst];
441 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
443 /* (4) they are not in the same routing component, make the path */
444 if (current_src == current_dst)
445 father = current_src;
447 father = path_src[index_src + 1];
449 /* (5) result generation */
450 *res_father = father; /* first the common father of src and dst */
451 *res_src = current_src; /* second the first different father of src */
452 *res_dst = current_dst; /* three the first different father of dst */
454 #undef ROUTING_HIERARCHY_MAXDEPTH
458 * \brief Recursive function for get_route_and_latency
460 * \param src the source host name
461 * \param dst the destination host name
462 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
463 * \param *latency the latency, if needed
465 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
466 xbt_dynar_t * links, double *latency)
468 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
469 memset(&route,0,sizeof(route));
471 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
472 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
474 /* Find how src and dst are interconnected */
475 simgrid::surf::As *common_father, *src_father, *dst_father;
476 elements_father(src, dst, &common_father, &src_father, &dst_father);
477 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
478 common_father->name_, src_father->name_, dst_father->name_);
480 /* Check whether a direct bypass is defined. If so, use it and bail out */
481 std::vector<Link*> *bypassed_route = common_father->getBypassRoute(src, dst);
482 if (nullptr != bypassed_route) {
483 for (Link *link : *bypassed_route) {
484 xbt_dynar_push(*links,&link);
486 *latency += link->getLatency();
491 /* If src and dst are in the same AS, life is good */
492 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
493 route.link_list = *links;
494 common_father->getRouteAndLatency(src, dst, &route, latency);
498 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
500 route.link_list = xbt_dynar_new(sizeof(Link*), NULL);
502 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
503 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
504 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
506 /* If source gateway is not our source, we have to recursively find our way up to this point */
507 if (src != route.gw_src)
508 _get_route_and_latency(src, route.gw_src, links, latency);
509 xbt_dynar_merge(links, &route.link_list);
511 /* If dest gateway is not our destination, we have to recursively find our way from this point */
512 if (route.gw_dst != dst)
513 _get_route_and_latency(route.gw_dst, dst, links, latency);
521 * \brief Find a route between hosts
523 * \param src the network_element_t for src host
524 * \param dst the network_element_t for dst host
525 * \param route where to store the list of links.
526 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
527 * \param latency where to store the latency experienced on the path (or NULL if not interested)
528 * It is the caller responsability to initialize latency to 0 (we add to provided route)
531 * walk through the routing components tree and find a route between hosts
532 * by calling each "get_route" function in each routing component.
534 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
536 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
537 if (NULL == *route) {
538 xbt_dynar_reset(routing_platf->lastRoute_);
539 *route = routing_platf->lastRoute_;
542 _get_route_and_latency(src, dst, route, latency);
545 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
547 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
549 //adding my one link routes
550 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
552 xbt_dynar_merge(&ret,&onelink_mine);
556 xbt_dict_cursor_t cursor = NULL;
558 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
559 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
561 xbt_dynar_merge(&ret,&onelink_child);
566 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
567 return _recursiveGetOneLinkRoutes(root_);
573 /** @brief create the root AS */
574 void routing_model_create( void *loopback)
576 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
579 /* ************************************************************************** */
580 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
582 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
583 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
585 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
586 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
588 cluster->backbone_ = bb;
589 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
592 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
595 char *groups , *host_id , *link_id = NULL;
597 xbt_dynar_t radical_elements;
598 xbt_dynar_t radical_ends;
601 radical_elements = xbt_str_split(cabinet->radical, ",");
602 xbt_dynar_foreach(radical_elements, iter, groups) {
604 radical_ends = xbt_str_split(groups, "-");
605 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
607 switch (xbt_dynar_length(radical_ends)) {
612 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
615 surf_parse_error("Malformed radical");
618 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
619 memset(&host, 0, sizeof(host));
620 host.initiallyOn = 1;
622 host.speed_scale = 1.0;
623 host.core_amount = 1;
625 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
626 memset(&link, 0, sizeof(link));
627 link.initiallyOn = 1;
628 link.policy = SURF_LINK_FULLDUPLEX;
629 link.latency = cabinet->lat;
630 link.bandwidth = cabinet->bw;
632 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
633 memset(&host_link, 0, sizeof(host_link));
635 for (i = start; i <= end; i++) {
636 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
637 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
640 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
641 xbt_dynar_push(host.speed_peak,&cabinet->speed);
642 sg_platf_new_host(&host);
643 xbt_dynar_free(&host.speed_peak);
644 sg_platf_new_link(&link);
646 char* link_up = bprintf("%s_UP",link_id);
647 char* link_down = bprintf("%s_DOWN",link_id);
648 host_link.id = host_id;
649 host_link.link_up = link_up;
650 host_link.link_down = link_down;
651 sg_platf_new_hostlink(&host_link);
659 xbt_dynar_free(&radical_ends);
661 xbt_dynar_free(&radical_elements);
664 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
666 using simgrid::surf::NetCard;
667 using simgrid::surf::AsCluster;
669 char *host_id = NULL;
670 char *link_id = NULL;
671 char *router_id = NULL;
674 host_id = HOST_PEER(peer->id);
675 link_id = LINK_PEER(peer->id);
676 router_id = ROUTER_PEER(peer->id);
678 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
679 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
681 AS.routing = A_surfxml_AS_routing_Cluster;
682 sg_platf_new_AS_begin(&AS);
684 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
685 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
686 memset(&host, 0, sizeof(host));
687 host.initiallyOn = 1;
690 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
691 xbt_dynar_push(host.speed_peak,&peer->speed);
693 //host.power_peak = peer->power;
694 host.speed_scale = 1.0;
695 host.speed_trace = peer->availability_trace;
696 host.state_trace = peer->state_trace;
697 host.core_amount = 1;
698 sg_platf_new_host(&host);
699 xbt_dynar_free(&host.speed_peak);
701 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
702 memset(&link, 0, sizeof(link));
703 link.initiallyOn = 1;
704 link.policy = SURF_LINK_SHARED;
705 link.latency = peer->lat;
707 char* link_up = bprintf("%s_UP",link_id);
708 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
709 peer->bw_out, peer->lat);
711 link.bandwidth = peer->bw_out;
712 sg_platf_new_link(&link);
714 char* link_down = bprintf("%s_DOWN",link_id);
715 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
716 peer->bw_in, peer->lat);
718 link.bandwidth = peer->bw_in;
719 sg_platf_new_link(&link);
721 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
722 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
723 memset(&host_link, 0, sizeof(host_link));
724 host_link.id = host_id;
725 host_link.link_up = link_up;
726 host_link.link_down = link_down;
727 sg_platf_new_hostlink(&host_link);
729 XBT_DEBUG("<router id=\"%s\"/>", router_id);
730 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
731 memset(&router, 0, sizeof(router));
732 router.id = router_id;
733 router.coord = peer->coord;
734 sg_platf_new_router(&router);
735 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
738 sg_platf_new_AS_end();
741 //xbt_dynar_free(&tab_elements_num);
749 // static void routing_parse_Srandom(void)
751 // double mean, std, min, max, seed;
752 // char *random_id = A_surfxml_random_id;
753 // char *random_radical = A_surfxml_random_radical;
754 // char *rd_name = NULL;
756 // mean = surf_parse_get_double(A_surfxml_random_mean);
757 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
758 // min = surf_parse_get_double(A_surfxml_random_min);
759 // max = surf_parse_get_double(A_surfxml_random_max);
760 // seed = surf_parse_get_double(A_surfxml_random_seed);
764 // random_data_t random = xbt_new0(s_random_data_t, 1);
767 // xbt_dynar_t radical_elements;
768 // unsigned int iter;
771 // xbt_dynar_t radical_ends;
773 // switch (A_surfxml_random_generator) {
774 // case AU_surfxml_random_generator:
775 // case A_surfxml_random_generator_NONE:
776 // random->generator = NONE;
778 // case A_surfxml_random_generator_DRAND48:
779 // random->generator = DRAND48;
781 // case A_surfxml_random_generator_RAND:
782 // random->generator = RAND;
784 // case A_surfxml_random_generator_RNGSTREAM:
785 // random->generator = RNGSTREAM;
788 // surf_parse_error("Invalid random generator");
791 // random->seed = seed;
792 // random->min = min;
793 // random->max = max;
795 // /* Check user stupidities */
797 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
799 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
801 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
803 // /* normalize the mean and standard deviation before storing */
804 // random->mean = (mean - min) / (max - min);
805 // random->std = std / (max - min);
807 // if (random->mean * (1 - random->mean) < random->std * random->std)
808 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
809 // random->mean, random->std);
812 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
813 // random_id, random->min, random->max, random->mean, random->std,
814 // (int)random->generator, random->seed, random_radical);
816 // if (!random_value)
817 // random_value = xbt_dict_new_homogeneous(free);
819 // if (!strcmp(random_radical, "")) {
820 // res = random_generate(random);
821 // rd_value = bprintf("%f", res);
822 // xbt_dict_set(random_value, random_id, rd_value, NULL);
824 // radical_elements = xbt_str_split(random_radical, ",");
825 // xbt_dynar_foreach(radical_elements, iter, groups) {
826 // radical_ends = xbt_str_split(groups, "-");
827 // switch (xbt_dynar_length(radical_ends)) {
829 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
830 // "Custom Random '%s' already exists !", random_id);
831 // res = random_generate(random);
833 // bprintf("%s%d", random_id,
834 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
835 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
840 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
841 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
842 // for (i = start; i <= end; i++) {
843 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
844 // "Custom Random '%s' already exists !", bprintf("%s%d",
847 // res = random_generate(random);
848 // tmpbuf = bprintf("%s%d", random_id, i);
849 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
854 // XBT_CRITICAL("Malformed radical");
857 // res = random_generate(random);
858 // rd_name = bprintf("%s_router", random_id);
859 // rd_value = bprintf("%f", res);
860 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
862 // xbt_dynar_free(&radical_ends);
865 // xbt_dynar_free(&radical_elements);
869 static void check_disk_attachment()
871 xbt_lib_cursor_t cursor;
874 simgrid::surf::NetCard *host_elm;
875 xbt_lib_foreach(storage_lib, cursor, key, data) {
876 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
877 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));
878 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
880 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
885 void routing_register_callbacks()
887 simgrid::surf::on_postparse.connect(check_disk_attachment);
889 instr_routing_define_callbacks();
893 * \brief Recursive function for finalize
895 * \param rc the source host name
897 * This fuction is call by "finalize". It allow to finalize the
898 * AS or routing components. It delete all the structures.
900 static void finalize_rec(simgrid::surf::As *as) {
901 xbt_dict_cursor_t cursor = NULL;
905 xbt_dict_foreach(as->sons_, cursor, key, elem) {
912 /** \brief Frees all memory allocated by the routing module */
913 void routing_exit(void) {
914 delete routing_platf;
920 RoutingPlatf::RoutingPlatf(void *loopback)
921 : loopback_(loopback)
924 RoutingPlatf::~RoutingPlatf()
926 xbt_dynar_free(&lastRoute_);
933 AS_t surf_AS_get_routing_root() {
934 return routing_platf->root_;
937 const char *surf_AS_get_name(simgrid::surf::As *as) {
941 static simgrid::surf::As *surf_AS_recursive_get_by_name(
942 simgrid::surf::As *current, const char * name)
944 xbt_dict_cursor_t cursor = NULL;
947 simgrid::surf::As *tmp = NULL;
949 if(!strcmp(current->name_, name))
952 xbt_dict_foreach(current->sons_, cursor, key, elem) {
953 tmp = surf_AS_recursive_get_by_name(elem, name);
961 simgrid::surf::As *surf_AS_get_by_name(const char * name)
963 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
965 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
969 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
974 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
976 xbt_dynar_t elms = as->vertices_;
977 int count = xbt_dynar_length(elms);
978 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
979 for (int index = 0; index < count; index++) {
981 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
982 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
984 xbt_dynar_push(res, &delm);
990 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
991 as->getGraph(graph, nodes, edges);