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"
24 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
30 simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
31 simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
33 As::As(const char*name)
34 : name_(xbt_strdup(name))
38 xbt_dict_free(&sons_);
39 xbt_dynar_free(&vertices_);
40 xbt_dynar_free(&upDownLinks);
49 sg_platf_route_cbarg_t As::getBypassRoute(NetCard * /*src*/, NetCard * /*dst*/, double * /*lat*/) {
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_);
65 void As::parseBypassroute(sg_platf_route_cbarg_t /*e_route*/){
66 xbt_die("AS %s does not accept new bypass routes (wrong class).",name_);
69 }} // namespace simgrid::surf
72 * @ingroup SURF_build_api
73 * @brief A library containing all known hosts
77 int COORD_HOST_LEVEL=0; //Coordinates level
79 int MSG_FILE_LEVEL; //Msg file level
81 int SIMIX_STORAGE_LEVEL; //Simix storage level
82 int MSG_STORAGE_LEVEL; //Msg storage level
84 xbt_lib_t as_router_lib;
85 int ROUTING_ASR_LEVEL; //Routing level
86 int COORD_ASR_LEVEL; //Coordinates level
87 int NS3_ASR_LEVEL; //host node for ns3
88 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
90 /** @brief Retrieve a netcard from its name
92 * Netcards are the thing that connect host or routers to the network
94 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
96 sg_host_t h = sg_host_by_name(name);
97 simgrid::surf::NetCard *netcard = h==NULL ? NULL: h->pimpl_netcard;
99 netcard = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
104 simgrid::surf::RoutingPlatf *routing_platf = NULL;
107 /** The current AS in the parsing */
108 static simgrid::surf::As *current_routing = NULL;
109 simgrid::surf::As* routing_get_current()
111 return current_routing;
114 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
115 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
117 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
118 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
119 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
120 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
121 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
123 s_surf_parsing_link_up_down_t link_up_down;
124 link_up_down.link_up = Link::byName(netcard_arg->link_up);
125 link_up_down.link_down = Link::byName(netcard_arg->link_down);
127 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
128 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
130 // If dynar is is greater than netcard id and if the host_link is already defined
131 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
132 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
133 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
135 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
136 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
139 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
141 tmgr_trace_t tmgr_trace;
142 if (!trace->file || strcmp(trace->file, "") != 0) {
143 tmgr_trace = tmgr_trace_new_from_file(trace->file);
145 xbt_assert(strcmp(trace->pc_data, ""),
146 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
147 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
149 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
153 * \brief Make a new routing component to the platform
155 * Add a new autonomous system to the platform. Any elements (such as host,
156 * router or sub-AS) added after this call and before the corresponding call
157 * to sg_platf_new_AS_close() will be added to this AS.
159 * Once this function was called, the configuration concerning the used
160 * models cannot be changed anymore.
162 * @param AS_id name of this autonomous system. Must be unique in the platform
163 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
165 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
167 XBT_DEBUG("routing_AS_begin");
169 xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
170 "Refusing to create a second AS called \"%s\".", AS->id);
172 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
173 * any further config now that we created some real content */
176 /* search the routing model */
177 simgrid::surf::As *new_as = NULL;
179 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
180 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
181 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
182 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
183 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
184 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
185 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
186 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
187 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
188 default: xbt_die("Not a valid model!"); break;
191 /* make a new routing component */
192 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
194 if (current_routing == NULL && routing_platf->root_ == NULL) {
195 /* it is the first one */
196 new_as->father_ = NULL;
197 routing_platf->root_ = new_as;
199 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
201 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
202 "The AS \"%s\" already exists", AS->id);
203 /* it is a part of the tree */
204 new_as->father_ = current_routing;
205 /* set the father behavior */
206 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
207 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
208 /* add to the sons dictionary */
209 xbt_dict_set(current_routing->sons_, AS->id,
210 (void *) new_as, NULL);
211 /* add to the father element list */
212 netcard->setId(current_routing->addComponent(netcard));
214 THROWF(arg_error, 0, "All defined components must belong to a AS");
217 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
218 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
220 /* set the new current component of the tree */
221 current_routing = new_as;
222 current_routing->netcard_ = netcard;
224 simgrid::surf::netcardCreatedCallbacks(netcard);
225 simgrid::surf::asCreatedCallbacks(new_as);
229 * \brief Specify that the current description of AS is finished
231 * Once you've declared all the content of your AS, you have to close
232 * it with this call. Your AS is not usable until you call this function.
234 * @fixme: this call is not as robust as wanted: bad things WILL happen
235 * if you call it twice for the same AS, or if you forget calling it, or
236 * even if you add stuff to a closed AS
239 void routing_AS_end()
241 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
242 current_routing->Seal();
243 current_routing = current_routing->father_;
246 /* Aux Business methods */
249 * \brief Get the AS father and the first elements of the chain
251 * \param src the source host name
252 * \param dst the destination host name
254 * Get the common father of the to processing units, and the first different
255 * father in the chain
257 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
262 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
263 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
264 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
265 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
268 simgrid::surf::As *current_src;
269 simgrid::surf::As *current_dst;
270 simgrid::surf::As *father;
272 /* (1) find the path to root of src and dst*/
273 simgrid::surf::As *src_as = src->containingAS();
274 simgrid::surf::As *dst_as = dst->containingAS();
276 xbt_assert(src_as, "Host %s must be in an AS", src->name());
277 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
279 /* (2) find the path to the root routing component */
280 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
281 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
282 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
283 path_src[index_src++] = current;
285 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
286 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
287 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
288 path_dst[index_dst++] = current;
291 /* (3) find the common father */
293 current_src = path_src[--index_src];
294 current_dst = path_dst[--index_dst];
295 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
297 /* (4) they are not in the same routing component, make the path */
298 if (current_src == current_dst)
299 father = current_src;
301 father = path_src[index_src + 1];
303 /* (5) result generation */
304 *res_father = father; /* first the common father of src and dst */
305 *res_src = current_src; /* second the first different father of src */
306 *res_dst = current_dst; /* three the first different father of dst */
308 #undef ROUTING_HIERARCHY_MAXDEPTH
312 * \brief Recursive function for get_route_and_latency
314 * \param src the source host name
315 * \param dst the destination host name
316 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
317 * \param *latency the latency, if needed
319 * This function is called by "get_route" and "get_latency". It allows to walk recursively through the ASes tree.
321 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
322 xbt_dynar_t * links, double *latency)
324 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
325 memset(&route,0,sizeof(route));
327 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
328 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
330 /* Find how src and dst are interconnected */
331 simgrid::surf::As *common_father, *src_father, *dst_father;
332 elements_father(src, dst, &common_father, &src_father, &dst_father);
333 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
334 common_father->name_, src_father->name_, dst_father->name_);
336 /* Check whether a direct bypass is defined. If so, use it and bail out */
337 sg_platf_route_cbarg_t bypassed_route = common_father->getBypassRoute(src, dst, latency);
338 if (bypassed_route) {
339 xbt_dynar_merge(links, &bypassed_route->link_list);
340 routing_route_free(bypassed_route);
344 /* If src and dst are in the same AS, life is good */
345 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
346 route.link_list = *links;
347 common_father->getRouteAndLatency(src, dst, &route, latency);
351 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
353 route.link_list = xbt_dynar_new(sizeof(Link*), NULL);
355 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
356 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
357 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
359 /* If source gateway is not our source, we have to recursively find our way up to this point */
360 if (src != route.gw_src)
361 _get_route_and_latency(src, route.gw_src, links, latency);
362 xbt_dynar_merge(links, &route.link_list);
364 /* If dest gateway is not our destination, we have to recursively find our way from this point */
365 if (route.gw_dst != dst)
366 _get_route_and_latency(route.gw_dst, dst, links, latency);
370 AS_t surf_platf_get_root(routing_platf_t platf){
374 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
375 return netcard->getRcType();
382 * \brief Find a route between hosts
384 * \param src the network_element_t for src host
385 * \param dst the network_element_t for dst host
386 * \param route where to store the list of links.
387 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
388 * \param latency where to store the latency experienced on the path (or NULL if not interested)
389 * It is the caller responsability to initialize latency to 0 (we add to provided route)
392 * walk through the routing components tree and find a route between hosts
393 * by calling each "get_route" function in each routing component.
395 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
397 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
398 if (NULL == *route) {
399 xbt_dynar_reset(routing_platf->lastRoute_);
400 *route = routing_platf->lastRoute_;
403 _get_route_and_latency(src, dst, route, latency);
406 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
408 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
410 //adding my one link routes
411 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
413 xbt_dynar_merge(&ret,&onelink_mine);
417 xbt_dict_cursor_t cursor = NULL;
419 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
420 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
422 xbt_dynar_merge(&ret,&onelink_child);
427 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
428 return _recursiveGetOneLinkRoutes(root_);
434 /** @brief create the root AS */
435 void routing_model_create( void *loopback)
437 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
440 /* ************************************************************************** */
441 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
443 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
444 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
446 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
447 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
449 cluster->backbone_ = bb;
450 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
453 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
456 char *groups , *host_id , *link_id = NULL;
458 xbt_dynar_t radical_elements;
459 xbt_dynar_t radical_ends;
462 radical_elements = xbt_str_split(cabinet->radical, ",");
463 xbt_dynar_foreach(radical_elements, iter, groups) {
465 radical_ends = xbt_str_split(groups, "-");
466 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
468 switch (xbt_dynar_length(radical_ends)) {
473 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
476 surf_parse_error("Malformed radical");
479 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
480 memset(&host, 0, sizeof(host));
481 host.initiallyOn = 1;
483 host.speed_scale = 1.0;
484 host.core_amount = 1;
486 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
487 memset(&link, 0, sizeof(link));
488 link.initiallyOn = 1;
489 link.policy = SURF_LINK_FULLDUPLEX;
490 link.latency = cabinet->lat;
491 link.bandwidth = cabinet->bw;
493 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
494 memset(&host_link, 0, sizeof(host_link));
496 for (i = start; i <= end; i++) {
497 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
498 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
501 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
502 xbt_dynar_push(host.speed_peak,&cabinet->speed);
503 sg_platf_new_host(&host);
504 xbt_dynar_free(&host.speed_peak);
505 sg_platf_new_link(&link);
507 char* link_up = bprintf("%s_UP",link_id);
508 char* link_down = bprintf("%s_DOWN",link_id);
509 host_link.id = host_id;
510 host_link.link_up = link_up;
511 host_link.link_down = link_down;
512 sg_platf_new_hostlink(&host_link);
520 xbt_dynar_free(&radical_ends);
522 xbt_dynar_free(&radical_elements);
525 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
527 using simgrid::surf::NetCard;
528 using simgrid::surf::AsCluster;
530 char *host_id = NULL;
531 char *link_id = NULL;
532 char *router_id = NULL;
535 host_id = HOST_PEER(peer->id);
536 link_id = LINK_PEER(peer->id);
537 router_id = ROUTER_PEER(peer->id);
539 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
540 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
542 AS.routing = A_surfxml_AS_routing_Cluster;
543 sg_platf_new_AS_begin(&AS);
545 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
546 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
547 memset(&host, 0, sizeof(host));
548 host.initiallyOn = 1;
551 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
552 xbt_dynar_push(host.speed_peak,&peer->speed);
554 //host.power_peak = peer->power;
555 host.speed_scale = 1.0;
556 host.speed_trace = peer->availability_trace;
557 host.state_trace = peer->state_trace;
558 host.core_amount = 1;
559 sg_platf_new_host(&host);
560 xbt_dynar_free(&host.speed_peak);
562 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
563 memset(&link, 0, sizeof(link));
564 link.initiallyOn = 1;
565 link.policy = SURF_LINK_SHARED;
566 link.latency = peer->lat;
568 char* link_up = bprintf("%s_UP",link_id);
569 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
570 peer->bw_out, peer->lat);
572 link.bandwidth = peer->bw_out;
573 sg_platf_new_link(&link);
575 char* link_down = bprintf("%s_DOWN",link_id);
576 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
577 peer->bw_in, peer->lat);
579 link.bandwidth = peer->bw_in;
580 sg_platf_new_link(&link);
582 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
583 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
584 memset(&host_link, 0, sizeof(host_link));
585 host_link.id = host_id;
586 host_link.link_up = link_up;
587 host_link.link_down = link_down;
588 sg_platf_new_hostlink(&host_link);
590 XBT_DEBUG("<router id=\"%s\"/>", router_id);
591 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
592 memset(&router, 0, sizeof(router));
593 router.id = router_id;
594 router.coord = peer->coord;
595 sg_platf_new_router(&router);
596 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
599 sg_platf_new_AS_end();
602 //xbt_dynar_free(&tab_elements_num);
610 // static void routing_parse_Srandom(void)
612 // double mean, std, min, max, seed;
613 // char *random_id = A_surfxml_random_id;
614 // char *random_radical = A_surfxml_random_radical;
615 // char *rd_name = NULL;
617 // mean = surf_parse_get_double(A_surfxml_random_mean);
618 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
619 // min = surf_parse_get_double(A_surfxml_random_min);
620 // max = surf_parse_get_double(A_surfxml_random_max);
621 // seed = surf_parse_get_double(A_surfxml_random_seed);
625 // random_data_t random = xbt_new0(s_random_data_t, 1);
628 // xbt_dynar_t radical_elements;
629 // unsigned int iter;
632 // xbt_dynar_t radical_ends;
634 // switch (A_surfxml_random_generator) {
635 // case AU_surfxml_random_generator:
636 // case A_surfxml_random_generator_NONE:
637 // random->generator = NONE;
639 // case A_surfxml_random_generator_DRAND48:
640 // random->generator = DRAND48;
642 // case A_surfxml_random_generator_RAND:
643 // random->generator = RAND;
645 // case A_surfxml_random_generator_RNGSTREAM:
646 // random->generator = RNGSTREAM;
649 // surf_parse_error("Invalid random generator");
652 // random->seed = seed;
653 // random->min = min;
654 // random->max = max;
656 // /* Check user stupidities */
658 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
660 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
662 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
664 // /* normalize the mean and standard deviation before storing */
665 // random->mean = (mean - min) / (max - min);
666 // random->std = std / (max - min);
668 // if (random->mean * (1 - random->mean) < random->std * random->std)
669 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
670 // random->mean, random->std);
673 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
674 // random_id, random->min, random->max, random->mean, random->std,
675 // (int)random->generator, random->seed, random_radical);
677 // if (!random_value)
678 // random_value = xbt_dict_new_homogeneous(free);
680 // if (!strcmp(random_radical, "")) {
681 // res = random_generate(random);
682 // rd_value = bprintf("%f", res);
683 // xbt_dict_set(random_value, random_id, rd_value, NULL);
685 // radical_elements = xbt_str_split(random_radical, ",");
686 // xbt_dynar_foreach(radical_elements, iter, groups) {
687 // radical_ends = xbt_str_split(groups, "-");
688 // switch (xbt_dynar_length(radical_ends)) {
690 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
691 // "Custom Random '%s' already exists !", random_id);
692 // res = random_generate(random);
694 // bprintf("%s%d", random_id,
695 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
696 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
701 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
702 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
703 // for (i = start; i <= end; i++) {
704 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
705 // "Custom Random '%s' already exists !", bprintf("%s%d",
708 // res = random_generate(random);
709 // tmpbuf = bprintf("%s%d", random_id, i);
710 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
715 // XBT_CRITICAL("Malformed radical");
718 // res = random_generate(random);
719 // rd_name = bprintf("%s_router", random_id);
720 // rd_value = bprintf("%f", res);
721 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
723 // xbt_dynar_free(&radical_ends);
726 // xbt_dynar_free(&radical_elements);
730 static void check_disk_attachment()
732 xbt_lib_cursor_t cursor;
735 simgrid::surf::NetCard *host_elm;
736 xbt_lib_foreach(storage_lib, cursor, key, data) {
737 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
738 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));
739 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
741 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
746 void routing_register_callbacks()
748 simgrid::surf::on_postparse.connect(check_disk_attachment);
750 instr_routing_define_callbacks();
754 * \brief Recursive function for finalize
756 * \param rc the source host name
758 * This fuction is call by "finalize". It allow to finalize the
759 * AS or routing components. It delete all the structures.
761 static void finalize_rec(simgrid::surf::As *as) {
762 xbt_dict_cursor_t cursor = NULL;
766 xbt_dict_foreach(as->sons_, cursor, key, elem) {
773 /** \brief Frees all memory allocated by the routing module */
774 void routing_exit(void) {
775 delete routing_platf;
781 RoutingPlatf::RoutingPlatf(void *loopback)
782 : loopback_(loopback)
785 RoutingPlatf::~RoutingPlatf()
787 xbt_dynar_free(&lastRoute_);
794 AS_t surf_AS_get_routing_root() {
795 return routing_platf->root_;
798 const char *surf_AS_get_name(simgrid::surf::As *as) {
802 static simgrid::surf::As *surf_AS_recursive_get_by_name(
803 simgrid::surf::As *current, const char * name)
805 xbt_dict_cursor_t cursor = NULL;
808 simgrid::surf::As *tmp = NULL;
810 if(!strcmp(current->name_, name))
813 xbt_dict_foreach(current->sons_, cursor, key, elem) {
814 tmp = surf_AS_recursive_get_by_name(elem, name);
822 simgrid::surf::As *surf_AS_get_by_name(const char * name)
824 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
826 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
830 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
835 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
837 xbt_dynar_t elms = as->vertices_;
838 int count = xbt_dynar_length(elms);
839 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
840 for (int index = 0; index < count; index++) {
842 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
843 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
845 xbt_dynar_push(res, &delm);
851 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
852 as->getGraph(graph, nodes, edges);