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"
16 #include "src/surf/surf_routing_vivaldi.hpp"
25 simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
26 simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
32 * @ingroup SURF_build_api
33 * @brief A library containing all known hosts
37 int COORD_HOST_LEVEL=0; //Coordinates level
39 int MSG_FILE_LEVEL; //Msg file level
41 int SIMIX_STORAGE_LEVEL; //Simix storage level
42 int MSG_STORAGE_LEVEL; //Msg storage level
44 xbt_lib_t as_router_lib;
45 int ROUTING_ASR_LEVEL; //Routing level
46 int COORD_ASR_LEVEL; //Coordinates level
47 int NS3_ASR_LEVEL; //host node for ns3
48 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
50 /** @brief Retrieve a netcard from its name
52 * Netcards are the thing that connect host or routers to the network
54 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
56 sg_host_t h = sg_host_by_name(name);
57 simgrid::surf::NetCard *net_elm = h==NULL?NULL: h->pimpl_netcard;
59 net_elm = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
64 simgrid::surf::RoutingPlatf *routing_platf = NULL;
66 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
68 /** The current AS in the parsing */
69 static simgrid::surf::As *current_routing = NULL;
70 simgrid::surf::As* routing_get_current()
72 return current_routing;
75 /* this lines are only for replace use like index in the model table */
80 SURF_MODEL_DIJKSTRACACHE,
84 SURF_MODEL_TORUS_CLUSTER,
85 SURF_MODEL_FAT_TREE_CLUSTER,
88 struct s_model_type routing_models[] = {
91 {model_dijkstra_create},
92 {model_dijkstracache_create},
94 {model_vivaldi_create},
95 {model_cluster_create},
96 {model_torus_cluster_create},
97 {model_fat_tree_cluster_create},
101 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
102 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
104 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
105 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
106 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
107 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
108 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
110 s_surf_parsing_link_up_down_t link_up_down;
111 link_up_down.link_up = Link::byName(netcard_arg->link_up);
112 link_up_down.link_down = Link::byName(netcard_arg->link_down);
114 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
115 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
117 // If dynar is is greater than netcard id and if the host_link is already defined
118 if((int)xbt_dynar_length(current_routing->p_linkUpDownList) > netcard->getId() &&
119 xbt_dynar_get_as(current_routing->p_linkUpDownList, netcard->getId(), void*))
120 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
122 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->getName(), netcard->getId());
123 xbt_dynar_set_as(current_routing->p_linkUpDownList, netcard->getId(), s_surf_parsing_link_up_down_t, link_up_down);
126 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
128 tmgr_trace_t tmgr_trace;
129 if (!trace->file || strcmp(trace->file, "") != 0) {
130 tmgr_trace = tmgr_trace_new_from_file(trace->file);
132 xbt_assert(strcmp(trace->pc_data, ""),
133 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
134 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
136 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
140 * \brief Make a new routing component to the platform
142 * Add a new autonomous system to the platform. Any elements (such as host,
143 * router or sub-AS) added after this call and before the corresponding call
144 * to sg_platf_new_AS_close() will be added to this AS.
146 * Once this function was called, the configuration concerning the used
147 * models cannot be changed anymore.
149 * @param AS_id name of this autonomous system. Must be unique in the platform
150 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
152 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
154 XBT_DEBUG("routing_AS_begin");
155 routing_model_description_t model = NULL;
157 xbt_assert(NULL == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
158 "Refusing to create a second AS called \"%s\".", AS->id);
160 _sg_cfg_init_status = 2; /* horrible hack: direct access to the global
161 * controlling the level of configuration to prevent
162 * any further config */
164 /* search the routing model */
166 case A_surfxml_AS_routing_Cluster: model = &routing_models[SURF_MODEL_CLUSTER];break;
167 case A_surfxml_AS_routing_ClusterTorus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break;
168 case A_surfxml_AS_routing_ClusterFatTree: model = &routing_models[SURF_MODEL_FAT_TREE_CLUSTER];break;
169 case A_surfxml_AS_routing_Dijkstra: model = &routing_models[SURF_MODEL_DIJKSTRA];break;
170 case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
171 case A_surfxml_AS_routing_Floyd: model = &routing_models[SURF_MODEL_FLOYD];break;
172 case A_surfxml_AS_routing_Full: model = &routing_models[SURF_MODEL_FULL];break;
173 case A_surfxml_AS_routing_None: model = &routing_models[SURF_MODEL_NONE];break;
174 case A_surfxml_AS_routing_Vivaldi: model = &routing_models[SURF_MODEL_VIVALDI];break;
175 default: xbt_die("Not a valid model!!!");
179 /* make a new routing component */
180 simgrid::surf::As *new_as = model->create();
182 new_as->p_hierarchy = SURF_ROUTING_NULL;
183 new_as->p_name = xbt_strdup(AS->id);
185 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->p_name, SURF_NETWORK_ELEMENT_AS, current_routing);
186 if (current_routing == NULL && routing_platf->p_root == NULL) {
188 /* it is the first one */
189 new_as->p_routingFather = NULL;
190 routing_platf->p_root = new_as;
192 } else if (current_routing != NULL && routing_platf->p_root != NULL) {
194 xbt_assert(!xbt_dict_get_or_null
195 (current_routing->p_routingSons, AS->id),
196 "The AS \"%s\" already exists", AS->id);
197 /* it is a part of the tree */
198 new_as->p_routingFather = current_routing;
199 /* set the father behavior */
200 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
201 current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
202 /* add to the sons dictionary */
203 xbt_dict_set(current_routing->p_routingSons, AS->id,
204 (void *) new_as, NULL);
205 /* add to the father element list */
206 netcard->setId(current_routing->parseAS(netcard));
208 THROWF(arg_error, 0, "All defined components must belong to a AS");
211 xbt_lib_set(as_router_lib, netcard->getName(), ROUTING_ASR_LEVEL,
213 XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, netcard->getId());
215 /* set the new current component of the tree */
216 current_routing = new_as;
217 current_routing->p_netcard = netcard;
219 simgrid::surf::netcardCreatedCallbacks(netcard);
220 simgrid::surf::asCreatedCallbacks(new_as);
224 * \brief Specify that the current description of AS is finished
226 * Once you've declared all the content of your AS, you have to close
227 * it with this call. Your AS is not usable until you call this function.
229 * @fixme: this call is not as robust as wanted: bad things WILL happen
230 * if you call it twice for the same AS, or if you forget calling it, or
231 * even if you add stuff to a closed AS
234 void routing_AS_end()
236 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
237 current_routing->Seal();
238 current_routing = current_routing->p_routingFather;
241 /* Aux Business methods */
244 * \brief Get the AS father and the first elements of the chain
246 * \param src the source host name
247 * \param dst the destination host name
249 * Get the common father of the to processing units, and the first different
250 * father in the chain
252 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
257 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
258 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
259 simgrid::surf::As *src_as, *dst_as;
260 simgrid::surf::As *path_src[ELEMENTS_FATHER_MAXDEPTH];
261 simgrid::surf::As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
264 simgrid::surf::As *current;
265 simgrid::surf::As *current_src;
266 simgrid::surf::As *current_dst;
267 simgrid::surf::As *father;
269 /* (1) find the as where the src and dst are located */
270 sg_netcard_t src_data = src;
271 sg_netcard_t dst_data = dst;
272 src_as = src_data->getRcComponent();
273 dst_as = dst_data->getRcComponent();
275 char* src_name = src_data->getName();
276 char* dst_name = dst_data->getName();
279 xbt_assert(src_as && dst_as,
280 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
282 /* (2) find the path to the root routing component */
283 for (current = src_as; current != NULL; current = current->p_routingFather) {
284 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
285 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
286 path_src[index_src++] = current;
288 for (current = dst_as; current != NULL; current = current->p_routingFather) {
289 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
290 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
291 path_dst[index_dst++] = current;
294 /* (3) find the common father */
296 current_src = path_src[--index_src];
297 current_dst = path_dst[--index_dst];
298 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
300 /* (4) they are not in the same routing component, make the path */
301 if (current_src == current_dst)
302 father = current_src;
304 father = path_src[index_src + 1];
306 /* (5) result generation */
307 *res_father = father; /* first the common father of src and dst */
308 *res_src = current_src; /* second the first different father of src */
309 *res_dst = current_dst; /* three the first different father of dst */
311 #undef ELEMENTS_FATHER_MAXDEPTH
314 /* Global Business methods */
317 * \brief Recursive function for get_route_latency
319 * \param src the source host name
320 * \param dst the destination host name
321 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
322 * \param *latency the latency, if needed
324 * This function is called by "get_route" and "get_latency". It allows to walk
325 * recursively through the ASes tree.
327 static void _get_route_and_latency(
328 simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
329 xbt_dynar_t * links, double *latency)
331 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
332 memset(&route,0,sizeof(route));
334 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
335 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->getName(), dst->getName());
337 /* Find how src and dst are interconnected */
338 simgrid::surf::As *common_father, *src_father, *dst_father;
339 elements_father(src, dst, &common_father, &src_father, &dst_father);
340 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
341 common_father->p_name, src_father->p_name, dst_father->p_name);
343 /* Check whether a direct bypass is defined */
344 sg_platf_route_cbarg_t e_route_bypass = NULL;
345 //FIXME:REMOVE:if (common_father->get_bypass_route)
347 e_route_bypass = common_father->getBypassRoute(src, dst, latency);
349 /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
350 if (e_route_bypass) {
351 xbt_dynar_merge(links, &e_route_bypass->link_list);
352 routing_route_free(e_route_bypass);
356 /* If src and dst are in the same AS, life is good */
357 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
358 route.link_list = *links;
359 common_father->getRouteAndLatency(src, dst, &route, latency);
360 // if vivaldi latency+=vivaldi(src,dst)
364 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
366 route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
367 // Find the net_card corresponding to father
368 simgrid::surf::NetCard *src_father_netcard = src_father->p_netcard;
369 simgrid::surf::NetCard *dst_father_netcard = dst_father->p_netcard;
371 common_father->getRouteAndLatency(src_father_netcard, dst_father_netcard,
374 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
375 "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
377 sg_netcard_t src_gateway_net_elm = route.gw_src;
378 sg_netcard_t dst_gateway_net_elm = route.gw_dst;
380 /* If source gateway is not our source, we have to recursively find our way up to this point */
381 if (src != src_gateway_net_elm)
382 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
383 xbt_dynar_merge(links, &route.link_list);
385 /* If dest gateway is not our destination, we have to recursively find our way from this point */
386 if (dst_gateway_net_elm != dst)
387 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
391 AS_t surf_platf_get_root(routing_platf_t platf){
392 return platf->p_root;
395 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
396 return netcard->getRcType();
403 * \brief Find a route between hosts
405 * \param src the network_element_t for src host
406 * \param dst the network_element_t for dst host
407 * \param route where to store the list of links.
408 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
409 * \param latency where to store the latency experienced on the path (or NULL if not interested)
410 * It is the caller responsability to initialize latency to 0 (we add to provided route)
413 * walk through the routing components tree and find a route between hosts
414 * by calling each "get_route" function in each routing component.
416 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
418 XBT_DEBUG("getRouteAndLatency from %s to %s", src->getName(), dst->getName());
419 if (NULL == *route) {
420 xbt_dynar_reset(routing_platf->p_lastRoute);
421 *route = routing_platf->p_lastRoute;
424 _get_route_and_latency(src, dst, route, latency);
426 xbt_assert(!latency || *latency >= 0.0,
427 "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
430 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
431 return recursiveGetOneLinkRoutes(p_root);
434 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc)
436 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
438 //adding my one link routes
439 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
441 xbt_dynar_merge(&ret,&onelink_mine);
445 xbt_dict_cursor_t cursor = NULL;
447 xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
448 xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
450 xbt_dynar_merge(&ret,&onelink_child);
458 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
460 simgrid::surf::NetCard *rc = sg_netcard_by_name_or_null(name);
462 return rc->getRcType();
464 return SURF_NETWORK_ELEMENT_NULL;
467 /** @brief create the root AS */
468 void routing_model_create( void *loopback)
470 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
473 /* ************************************************************************** */
474 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
476 void routing_cluster_add_backbone(void* bb) {
477 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
479 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
480 xbt_assert(nullptr == cluster->p_backbone, "Cluster %s already has a backbone link!", cluster->p_name);
482 cluster->p_backbone = static_cast<simgrid::surf::Link*>(bb);
483 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
486 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
489 char *groups , *host_id , *link_id = NULL;
491 xbt_dynar_t radical_elements;
492 xbt_dynar_t radical_ends;
495 radical_elements = xbt_str_split(cabinet->radical, ",");
496 xbt_dynar_foreach(radical_elements, iter, groups) {
498 radical_ends = xbt_str_split(groups, "-");
499 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
501 switch (xbt_dynar_length(radical_ends)) {
506 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
509 surf_parse_error("Malformed radical");
512 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
513 memset(&host, 0, sizeof(host));
514 host.initiallyOn = 1;
516 host.speed_scale = 1.0;
517 host.core_amount = 1;
519 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
520 memset(&link, 0, sizeof(link));
521 link.initiallyOn = 1;
522 link.policy = SURF_LINK_FULLDUPLEX;
523 link.latency = cabinet->lat;
524 link.bandwidth = cabinet->bw;
526 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
527 memset(&host_link, 0, sizeof(host_link));
529 for (i = start; i <= end; i++) {
530 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
531 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
534 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
535 xbt_dynar_push(host.speed_peak,&cabinet->speed);
536 sg_platf_new_host(&host);
537 xbt_dynar_free(&host.speed_peak);
538 sg_platf_new_link(&link);
540 char* link_up = bprintf("%s_UP",link_id);
541 char* link_down = bprintf("%s_DOWN",link_id);
542 host_link.id = host_id;
543 host_link.link_up = link_up;
544 host_link.link_down = link_down;
545 sg_platf_new_hostlink(&host_link);
553 xbt_dynar_free(&radical_ends);
555 xbt_dynar_free(&radical_elements);
558 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
560 using simgrid::surf::NetCard;
561 using simgrid::surf::AsCluster;
563 char *host_id = NULL;
564 char *link_id = NULL;
565 char *router_id = NULL;
568 host_id = HOST_PEER(peer->id);
569 link_id = LINK_PEER(peer->id);
570 router_id = ROUTER_PEER(peer->id);
572 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
573 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
575 AS.routing = A_surfxml_AS_routing_Cluster;
576 sg_platf_new_AS_begin(&AS);
578 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
579 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
580 memset(&host, 0, sizeof(host));
581 host.initiallyOn = 1;
584 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
585 xbt_dynar_push(host.speed_peak,&peer->speed);
587 //host.power_peak = peer->power;
588 host.speed_scale = 1.0;
589 host.speed_trace = peer->availability_trace;
590 host.state_trace = peer->state_trace;
591 host.core_amount = 1;
592 sg_platf_new_host(&host);
593 xbt_dynar_free(&host.speed_peak);
595 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
596 memset(&link, 0, sizeof(link));
597 link.initiallyOn = 1;
598 link.policy = SURF_LINK_SHARED;
599 link.latency = peer->lat;
601 char* link_up = bprintf("%s_UP",link_id);
602 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
603 peer->bw_out, peer->lat);
605 link.bandwidth = peer->bw_out;
606 sg_platf_new_link(&link);
608 char* link_down = bprintf("%s_DOWN",link_id);
609 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
610 peer->bw_in, peer->lat);
612 link.bandwidth = peer->bw_in;
613 sg_platf_new_link(&link);
615 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
616 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
617 memset(&host_link, 0, sizeof(host_link));
618 host_link.id = host_id;
619 host_link.link_up = link_up;
620 host_link.link_down = link_down;
621 sg_platf_new_hostlink(&host_link);
623 XBT_DEBUG("<router id=\"%s\"/>", router_id);
624 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
625 memset(&router, 0, sizeof(router));
626 router.id = router_id;
627 router.coord = peer->coord;
628 sg_platf_new_router(&router);
629 static_cast<AsCluster*>(current_routing)->p_router = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
632 sg_platf_new_AS_end();
635 //xbt_dynar_free(&tab_elements_num);
643 // static void routing_parse_Srandom(void)
645 // double mean, std, min, max, seed;
646 // char *random_id = A_surfxml_random_id;
647 // char *random_radical = A_surfxml_random_radical;
648 // char *rd_name = NULL;
650 // mean = surf_parse_get_double(A_surfxml_random_mean);
651 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
652 // min = surf_parse_get_double(A_surfxml_random_min);
653 // max = surf_parse_get_double(A_surfxml_random_max);
654 // seed = surf_parse_get_double(A_surfxml_random_seed);
658 // random_data_t random = xbt_new0(s_random_data_t, 1);
661 // xbt_dynar_t radical_elements;
662 // unsigned int iter;
665 // xbt_dynar_t radical_ends;
667 // switch (A_surfxml_random_generator) {
668 // case AU_surfxml_random_generator:
669 // case A_surfxml_random_generator_NONE:
670 // random->generator = NONE;
672 // case A_surfxml_random_generator_DRAND48:
673 // random->generator = DRAND48;
675 // case A_surfxml_random_generator_RAND:
676 // random->generator = RAND;
678 // case A_surfxml_random_generator_RNGSTREAM:
679 // random->generator = RNGSTREAM;
682 // surf_parse_error("Invalid random generator");
685 // random->seed = seed;
686 // random->min = min;
687 // random->max = max;
689 // /* Check user stupidities */
691 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
693 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
695 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
697 // /* normalize the mean and standard deviation before storing */
698 // random->mean = (mean - min) / (max - min);
699 // random->std = std / (max - min);
701 // if (random->mean * (1 - random->mean) < random->std * random->std)
702 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
703 // random->mean, random->std);
706 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
707 // random_id, random->min, random->max, random->mean, random->std,
708 // (int)random->generator, random->seed, random_radical);
710 // if (!random_value)
711 // random_value = xbt_dict_new_homogeneous(free);
713 // if (!strcmp(random_radical, "")) {
714 // res = random_generate(random);
715 // rd_value = bprintf("%f", res);
716 // xbt_dict_set(random_value, random_id, rd_value, NULL);
718 // radical_elements = xbt_str_split(random_radical, ",");
719 // xbt_dynar_foreach(radical_elements, iter, groups) {
720 // radical_ends = xbt_str_split(groups, "-");
721 // switch (xbt_dynar_length(radical_ends)) {
723 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
724 // "Custom Random '%s' already exists !", random_id);
725 // res = random_generate(random);
727 // bprintf("%s%d", random_id,
728 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
729 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
734 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
735 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
736 // for (i = start; i <= end; i++) {
737 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
738 // "Custom Random '%s' already exists !", bprintf("%s%d",
741 // res = random_generate(random);
742 // tmpbuf = bprintf("%s%d", random_id, i);
743 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
748 // XBT_CRITICAL("Malformed radical");
751 // res = random_generate(random);
752 // rd_name = bprintf("%s_router", random_id);
753 // rd_value = bprintf("%f", res);
754 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
756 // xbt_dynar_free(&radical_ends);
759 // xbt_dynar_free(&radical_elements);
763 static void check_disk_attachment()
765 xbt_lib_cursor_t cursor;
768 simgrid::surf::NetCard *host_elm;
769 xbt_lib_foreach(storage_lib, cursor, key, data) {
770 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
771 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));
772 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
774 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
779 void routing_register_callbacks()
781 simgrid::surf::on_postparse.connect(check_disk_attachment);
783 instr_routing_define_callbacks();
787 * \brief Recursive function for finalize
789 * \param rc the source host name
791 * This fuction is call by "finalize". It allow to finalize the
792 * AS or routing components. It delete all the structures.
794 static void finalize_rec(simgrid::surf::As *as) {
795 xbt_dict_cursor_t cursor = NULL;
799 xbt_dict_foreach(as->p_routingSons, cursor, key, elem) {
806 /** \brief Frees all memory allocated by the routing module */
807 void routing_exit(void) {
808 delete routing_platf;
814 RoutingPlatf::RoutingPlatf(void *loopback)
815 : p_loopback(loopback)
818 RoutingPlatf::~RoutingPlatf()
820 xbt_dynar_free(&p_lastRoute);
821 finalize_rec(p_root);
827 AS_t surf_AS_get_routing_root() {
828 return routing_platf->p_root;
831 const char *surf_AS_get_name(simgrid::surf::As *as) {
835 static simgrid::surf::As *surf_AS_recursive_get_by_name(
836 simgrid::surf::As *current, const char * name)
838 xbt_dict_cursor_t cursor = NULL;
841 simgrid::surf::As *tmp = NULL;
843 if(!strcmp(current->p_name, name))
846 xbt_dict_foreach(current->p_routingSons, cursor, key, elem) {
847 tmp = surf_AS_recursive_get_by_name(elem, name);
855 simgrid::surf::As *surf_AS_get_by_name(const char * name)
857 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->p_root, name);
859 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
863 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
865 return as->p_routingSons;
868 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
870 xbt_dynar_t elms = as->p_indexNetworkElm;
871 int count = xbt_dynar_length(elms);
872 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
873 for (int index = 0; index < count; index++) {
875 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
876 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->getName());
878 xbt_dynar_push(res, &delm);
884 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
885 as->getGraph(graph, nodes, edges);