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"
10 #include "surf_routing_cluster_torus.hpp"
11 #include "surf_routing_cluster_fat_tree.hpp"
13 #include "simgrid/platf_interface.h" // platform creation API internal interface
14 #include "simgrid/sg_config.h"
15 #include "storage_interface.hpp"
17 #include "surf/surfxml_parse_values.h"
23 surf_callback(void, RoutingEdge*) routingEdgeCreatedCallbacks;
24 surf_callback(void, As*) asCreatedCallbacks;
27 * @ingroup SURF_build_api
28 * @brief A library containing all known hosts
32 int SURF_HOST_LEVEL; //Surf host level
33 int COORD_HOST_LEVEL=0; //Coordinates level
34 int NS3_HOST_LEVEL; //host node for ns3
36 int MSG_FILE_LEVEL; //Msg file level
38 int SIMIX_STORAGE_LEVEL; //Simix storage level
39 int MSG_STORAGE_LEVEL; //Msg storage level
40 int SD_STORAGE_LEVEL; //Simdag storage level
42 xbt_lib_t as_router_lib;
43 int ROUTING_ASR_LEVEL; //Routing level
44 int COORD_ASR_LEVEL; //Coordinates level
45 int NS3_ASR_LEVEL; //host node for ns3
46 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
48 static xbt_dict_t random_value = NULL;
51 /** @brief Retrieve a routing edge from its name
53 * Routing edges are either host and routers, whatever
55 RoutingEdge *sg_routing_edge_by_name_or_null(const char *name) {
56 sg_host_t h = sg_host_by_name(name);
57 RoutingEdge *net_elm = h==NULL?NULL: sg_host_edge(h);
59 net_elm = (RoutingEdge*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
64 RoutingPlatf *routing_platf = NULL;
66 /* global parse functions */
67 extern xbt_dynar_t mount_list;
69 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
71 /** The current AS in the parsing */
72 static As *current_routing = NULL;
73 As* routing_get_current()
75 return current_routing;
78 // static void routing_parse_Srandom(void); /* random bypass */
80 static void routing_parse_postparse(void);
82 /* this lines are only for replace use like index in the model table */
87 SURF_MODEL_DIJKSTRACACHE,
91 SURF_MODEL_TORUS_CLUSTER,
92 SURF_MODEL_FAT_TREE_CLUSTER,
95 struct s_model_type routing_models[] = {
97 "Full routing data (fast, large memory requirements, fully expressive)",
98 model_full_create, model_full_end},
100 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
101 model_floyd_create, model_floyd_end},
103 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
104 model_dijkstra_create, model_dijkstra_both_end},
106 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
107 model_dijkstracache_create, model_dijkstra_both_end},
108 {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
109 model_none_create, NULL},
110 {"Vivaldi", "Vivaldi routing",
111 model_vivaldi_create, NULL},
112 {"Cluster", "Cluster routing",
113 model_cluster_create, NULL},
114 {"Torus_Cluster", "Torus Cluster routing",
115 model_torus_cluster_create, NULL},
116 {"Fat_Tree_Cluster", "Fat Tree Cluster routing",
117 model_fat_tree_cluster_create, NULL},
118 {NULL, NULL, NULL, NULL}
122 * \brief Add a "host_link" to the network element list
124 void sg_platf_new_host_link(sg_platf_host_link_cbarg_t host)
126 RoutingEdge *info = sg_host_edge(sg_host_by_name(host->id));
127 xbt_assert(info, "Host '%s' not found!", host->id);
128 xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER] ||
129 current_routing->p_modelDesc == &routing_models[SURF_MODEL_VIVALDI],
130 "You have to be in model Cluster to use tag host_link!");
132 s_surf_parsing_link_up_down_t link_up_down;
133 link_up_down.link_up = Link::byName(host->link_up);
134 link_up_down.link_down = Link::byName(host->link_down);
136 xbt_assert(link_up_down.link_up, "Link '%s' not found!",host->link_up);
137 xbt_assert(link_up_down.link_down, "Link '%s' not found!",host->link_down);
139 if(!current_routing->p_linkUpDownList)
140 current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
142 // If dynar is is greater than edge id and if the host_link is already defined
143 if((int)xbt_dynar_length(current_routing->p_linkUpDownList) > info->getId() &&
144 xbt_dynar_get_as(current_routing->p_linkUpDownList, info->getId(), void*))
145 surf_parse_error("Host_link for '%s' is already defined!",host->id);
147 XBT_DEBUG("Push Host_link for host '%s' to position %d", info->getName(), info->getId());
148 xbt_dynar_set_as(current_routing->p_linkUpDownList, info->getId(), s_surf_parsing_link_up_down_t, link_up_down);
152 * \brief Add a "host" to the network element list
154 RoutingEdge *routing_add_host(As* current_routing, sg_platf_host_cbarg_t host)
156 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
157 current_routing->p_hierarchy = SURF_ROUTING_BASE;
158 xbt_assert(!sg_host_by_name(host->id),
159 "Reading a host, processing unit \"%s\" already exists", host->id);
161 RoutingEdge *routingEdge = new RoutingEdgeImpl(xbt_strdup(host->id),
163 SURF_NETWORK_ELEMENT_HOST,
165 routingEdge->setId(current_routing->parsePU(routingEdge));
166 sg_host_edge_set(sg_host_by_name_or_create(host->id), routingEdge);
167 XBT_DEBUG("Having set name '%s' id '%d'", host->id, routingEdge->getId());
168 routingEdgeCreatedCallbacks(routingEdge);
171 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
175 if (host->coord && strcmp(host->coord, "")) {
179 if (!COORD_HOST_LEVEL)
180 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
181 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
182 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
183 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
184 xbt_dynar_foreach(ctn_str,cursor, str) {
185 double val = atof(str);
186 xbt_dynar_push(ctn,&val);
188 xbt_dynar_shrink(ctn, 0);
189 xbt_dynar_free(&ctn_str);
190 xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
191 XBT_DEBUG("Having set host coordinates for '%s'",host->id);
198 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
200 static void parse_E_ASroute(sg_platf_route_cbarg_t ASroute)
202 /*FIXME:REMOVE:xbt_assert(current_routing->parse_ASroute,
203 "no defined method \"set_ASroute\" in \"%s\"",
204 current_routing->name);*/
205 current_routing->parseASroute(ASroute);
208 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
210 tmgr_trace_t tmgr_trace;
211 if (!trace->file || strcmp(trace->file, "") != 0) {
212 tmgr_trace = tmgr_trace_new_from_file(trace->file);
213 } else if (strcmp(trace->pc_data, "") == 0) {
217 tmgr_trace_new_from_string(trace->id, trace->pc_data,
220 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
223 void sg_platf_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
225 xbt_assert(xbt_dict_get_or_null
226 (traces_set_list, trace_connect->trace),
227 "Cannot connect trace %s to %s: trace unknown",
228 trace_connect->trace,
229 trace_connect->element);
231 switch (trace_connect->kind) {
232 case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
233 xbt_dict_set(trace_connect_list_host_avail,
234 trace_connect->trace,
235 xbt_strdup(trace_connect->element), NULL);
237 case SURF_TRACE_CONNECT_KIND_POWER:
238 xbt_dict_set(trace_connect_list_power, trace_connect->trace,
239 xbt_strdup(trace_connect->element), NULL);
241 case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
242 xbt_dict_set(trace_connect_list_link_avail,
243 trace_connect->trace,
244 xbt_strdup(trace_connect->element), NULL);
246 case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
247 xbt_dict_set(trace_connect_list_bandwidth,
248 trace_connect->trace,
249 xbt_strdup(trace_connect->element), NULL);
251 case SURF_TRACE_CONNECT_KIND_LATENCY:
252 xbt_dict_set(trace_connect_list_latency, trace_connect->trace,
253 xbt_strdup(trace_connect->element), NULL);
256 surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
257 trace_connect->trace, trace_connect->element);
263 * \brief Make a new routing component to the platform
265 * Add a new autonomous system to the platform. Any elements (such as host,
266 * router or sub-AS) added after this call and before the corresponding call
267 * to sg_platf_new_AS_close() will be added to this AS.
269 * Once this function was called, the configuration concerning the used
270 * models cannot be changed anymore.
272 * @param AS_id name of this autonomous system. Must be unique in the platform
273 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
275 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
277 XBT_DEBUG("routing_AS_begin");
278 routing_model_description_t model = NULL;
280 xbt_assert(!xbt_lib_get_or_null
281 (as_router_lib, AS->id, ROUTING_ASR_LEVEL),
282 "The AS \"%s\" already exists", AS->id);
284 _sg_cfg_init_status = 2; /* horrible hack: direct access to the global
285 * controlling the level of configuration to prevent
286 * any further config */
288 /* search the routing model */
290 case A_surfxml_AS_routing_Cluster: model = &routing_models[SURF_MODEL_CLUSTER];break;
291 case A_surfxml_AS_routing_Cluster___torus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break;
292 case A_surfxml_AS_routing_Cluster___fat___tree: model = &routing_models[SURF_MODEL_FAT_TREE_CLUSTER];break;
293 case A_surfxml_AS_routing_Dijkstra: model = &routing_models[SURF_MODEL_DIJKSTRA];break;
294 case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
295 case A_surfxml_AS_routing_Floyd: model = &routing_models[SURF_MODEL_FLOYD];break;
296 case A_surfxml_AS_routing_Full: model = &routing_models[SURF_MODEL_FULL];break;
297 case A_surfxml_AS_routing_None: model = &routing_models[SURF_MODEL_NONE];break;
298 case A_surfxml_AS_routing_Vivaldi: model = &routing_models[SURF_MODEL_VIVALDI];break;
299 default: xbt_die("Not a valid model!!!");
303 /* make a new routing component */
304 As *new_as = model->create();
306 new_as->p_modelDesc = model;
307 new_as->p_hierarchy = SURF_ROUTING_NULL;
308 new_as->p_name = xbt_strdup(AS->id);
310 RoutingEdge *info = new RoutingEdgeImpl(xbt_strdup(new_as->p_name),
312 SURF_NETWORK_ELEMENT_AS,
314 if (current_routing == NULL && routing_platf->p_root == NULL) {
316 /* it is the first one */
317 new_as->p_routingFather = NULL;
318 routing_platf->p_root = new_as;
320 } else if (current_routing != NULL && routing_platf->p_root != NULL) {
322 xbt_assert(!xbt_dict_get_or_null
323 (current_routing->p_routingSons, AS->id),
324 "The AS \"%s\" already exists", AS->id);
325 /* it is a part of the tree */
326 new_as->p_routingFather = current_routing;
327 /* set the father behavior */
328 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
329 current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
330 /* add to the sons dictionary */
331 xbt_dict_set(current_routing->p_routingSons, AS->id,
332 (void *) new_as, NULL);
333 /* add to the father element list */
334 info->setId(current_routing->parseAS(info));
336 THROWF(arg_error, 0, "All defined components must belong to a AS");
339 xbt_lib_set(as_router_lib, info->getName(), ROUTING_ASR_LEVEL,
341 XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, info->getId());
343 /* set the new current component of the tree */
344 current_routing = new_as;
345 current_routing->p_netElem = info;
347 routingEdgeCreatedCallbacks(info);
348 asCreatedCallbacks(new_as);
352 * \brief Specify that the current description of AS is finished
354 * Once you've declared all the content of your AS, you have to close
355 * it with this call. Your AS is not usable until you call this function.
357 * @fixme: this call is not as robust as wanted: bad things WILL happen
358 * if you call it twice for the same AS, or if you forget calling it, or
359 * even if you add stuff to a closed AS
362 void routing_AS_end()
365 if (current_routing == NULL) {
366 THROWF(arg_error, 0, "Close an AS, but none was under construction");
368 if (current_routing->p_modelDesc->end)
369 current_routing->p_modelDesc->end(current_routing);
370 current_routing = current_routing->p_routingFather;
374 /* Aux Business methods */
377 * \brief Get the AS father and the first elements of the chain
379 * \param src the source host name
380 * \param dst the destination host name
382 * Get the common father of the to processing units, and the first different
383 * father in the chain
385 static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst,
390 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
391 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
393 As *path_src[ELEMENTS_FATHER_MAXDEPTH];
394 As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
402 /* (1) find the as where the src and dst are located */
403 sg_routing_edge_t src_data = src;
404 sg_routing_edge_t dst_data = dst;
405 src_as = src_data->getRcComponent();
406 dst_as = dst_data->getRcComponent();
408 char* src_name = src_data->getName();
409 char* dst_name = dst_data->getName();
412 xbt_assert(src_as && dst_as,
413 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
415 /* (2) find the path to the root routing component */
416 for (current = src_as; current != NULL; current = current->p_routingFather) {
417 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
418 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
419 path_src[index_src++] = current;
421 for (current = dst_as; current != NULL; current = current->p_routingFather) {
422 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
423 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
424 path_dst[index_dst++] = current;
427 /* (3) find the common father */
429 current_src = path_src[--index_src];
430 current_dst = path_dst[--index_dst];
431 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
433 /* (4) they are not in the same routing component, make the path */
434 if (current_src == current_dst)
435 father = current_src;
437 father = path_src[index_src + 1];
439 /* (5) result generation */
440 *res_father = father; /* first the common father of src and dst */
441 *res_src = current_src; /* second the first different father of src */
442 *res_dst = current_dst; /* three the first different father of dst */
444 #undef ELEMENTS_FATHER_MAXDEPTH
447 /* Global Business methods */
450 * \brief Recursive function for get_route_latency
452 * \param src the source host name
453 * \param dst the destination host name
454 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
455 * \param *latency the latency, if needed
457 * This function is called by "get_route" and "get_latency". It allows to walk
458 * recursively through the ASes tree.
460 static void _get_route_and_latency(RoutingEdge *src, RoutingEdge *dst,
461 xbt_dynar_t * links, double *latency)
463 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
464 memset(&route,0,sizeof(route));
466 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
467 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->getName(), dst->getName());
469 /* Find how src and dst are interconnected */
470 As *common_father, *src_father, *dst_father;
471 elements_father(src, dst, &common_father, &src_father, &dst_father);
472 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
473 common_father->p_name, src_father->p_name, dst_father->p_name);
475 /* Check whether a direct bypass is defined */
476 sg_platf_route_cbarg_t e_route_bypass = NULL;
477 //FIXME:REMOVE:if (common_father->get_bypass_route)
479 e_route_bypass = common_father->getBypassRoute(src, dst, latency);
481 /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
482 if (e_route_bypass) {
483 xbt_dynar_merge(links, &e_route_bypass->link_list);
484 generic_free_route(e_route_bypass);
488 /* If src and dst are in the same AS, life is good */
489 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
490 route.link_list = *links;
491 common_father->getRouteAndLatency(src, dst, &route, latency);
492 // if vivaldi latency+=vivaldi(src,dst)
496 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
498 route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
499 // Find the net_card corresponding to father
500 RoutingEdge *src_father_net_elm = src_father->p_netElem;
501 RoutingEdge *dst_father_net_elm = dst_father->p_netElem;
503 common_father->getRouteAndLatency(src_father_net_elm, dst_father_net_elm,
506 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
507 "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
509 sg_routing_edge_t src_gateway_net_elm = route.gw_src;
510 sg_routing_edge_t dst_gateway_net_elm = route.gw_dst;
512 /* If source gateway is not our source, we have to recursively find our way up to this point */
513 if (src != src_gateway_net_elm)
514 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
515 xbt_dynar_merge(links, &route.link_list);
517 /* If dest gateway is not our destination, we have to recursively find our way from this point */
518 if (dst_gateway_net_elm != dst)
519 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
521 // if vivaldi latency+=vivaldi(src_gateway,dst_gateway)
524 AS_t surf_platf_get_root(routing_platf_t platf){
525 return platf->p_root;
528 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_routing_edge_t edge){
529 return edge->getRcType();
534 * \brief Find a route between hosts
536 * \param src the network_element_t for src host
537 * \param dst the network_element_t for dst host
538 * \param route where to store the list of links.
539 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
540 * \param latency where to store the latency experienced on the path (or NULL if not interested)
541 * It is the caller responsability to initialize latency to 0 (we add to provided route)
544 * walk through the routing components tree and find a route between hosts
545 * by calling the differents "get_route" functions in each routing component.
547 void RoutingPlatf::getRouteAndLatency(RoutingEdge *src, RoutingEdge *dst,
548 xbt_dynar_t* route, double *latency)
550 XBT_DEBUG("routing_get_route_and_latency from %s to %s", src->getName(), dst->getName());
552 xbt_dynar_reset(routing_platf->p_lastRoute);
553 *route = routing_platf->p_lastRoute;
556 _get_route_and_latency(src, dst, route, latency);
558 xbt_assert(!latency || *latency >= 0.0,
559 "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
562 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
563 return recursiveGetOneLinkRoutes(p_root);
566 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc)
568 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
570 //adding my one link routes
571 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
573 xbt_dynar_merge(&ret,&onelink_mine);
577 xbt_dict_cursor_t cursor = NULL;
579 xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
580 xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
582 xbt_dynar_merge(&ret,&onelink_child);
587 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
589 RoutingEdge *rc = sg_routing_edge_by_name_or_null(name);
591 return rc->getRcType();
593 return SURF_NETWORK_ELEMENT_NULL;
597 * \brief Generic method: create the global routing schema
599 * Make a global routing structure and set all the parsing functions.
601 void routing_model_create( void *loopback)
603 /* config the uniq global routing */
604 routing_platf = new RoutingPlatf();
605 routing_platf->p_root = NULL;
606 routing_platf->p_loopback = loopback;
607 routing_platf->p_lastRoute = xbt_dynar_new(sizeof(sg_routing_link_t),NULL);
608 /* no current routing at moment */
609 current_routing = NULL;
613 /* ************************************************** */
614 /* ********** PATERN FOR NEW ROUTING **************** */
616 /* The minimal configuration of a new routing model need the next functions,
617 * also you need to set at the start of the file, the new model in the model
618 * list. Remember keep the null ending of the list.
620 /*** Routing model structure ***/
622 // s_routing_component_t generic_routing;
623 // /* things that your routing model need */
624 // } s_routing_component_NEW_t,*routing_component_NEW_t;
626 /*** Parse routing model functions ***/
627 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
628 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
629 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
630 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
631 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
633 /*** Business methods ***/
634 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
635 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
636 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
638 /*** Creation routing model functions ***/
639 // static void* model_NEW_create(void) {
640 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
641 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
642 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
643 // new_component->generic_routing.set_route = model_NEW_set_route;
644 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
645 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
646 // new_component->generic_routing.get_route = NEW_get_route;
647 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
648 // new_component->generic_routing.finalize = NEW_finalize;
649 // /* initialization of internal structures */
650 // return new_component;
652 // static void model_NEW_load(void) {} /* mandatory */
653 // static void model_NEW_unload(void) {} /* mandatory */
654 // static void model_NEW_end(void) {} /* mandatory */
656 /* ************************************************************************** */
657 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
659 void routing_cluster_add_backbone(void* bb) {
660 xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER],
661 "You have to be in model Cluster to use tag backbone!");
662 xbt_assert(!static_cast<AsCluster*>(current_routing)->p_backbone, "The backbone link is already defined!");
663 static_cast<AsCluster*>(current_routing)->p_backbone = static_cast<Link*>(bb);
664 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
667 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
670 char *groups , *host_id , *link_id = NULL;
672 xbt_dynar_t radical_elements;
673 xbt_dynar_t radical_ends;
676 radical_elements = xbt_str_split(cabinet->radical, ",");
677 xbt_dynar_foreach(radical_elements, iter, groups) {
679 radical_ends = xbt_str_split(groups, "-");
680 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
682 switch (xbt_dynar_length(radical_ends)) {
687 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
690 surf_parse_error("Malformed radical");
693 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
694 memset(&host, 0, sizeof(host));
695 host.initial_state = SURF_RESOURCE_ON;
697 host.power_scale = 1.0;
698 host.core_amount = 1;
700 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
701 memset(&link, 0, sizeof(link));
702 link.state = SURF_RESOURCE_ON;
703 link.policy = SURF_LINK_FULLDUPLEX;
704 link.latency = cabinet->lat;
705 link.bandwidth = cabinet->bw;
707 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
708 memset(&host_link, 0, sizeof(host_link));
710 for (i = start; i <= end; i++) {
711 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
712 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
715 host.power_peak = xbt_dynar_new(sizeof(double), NULL);
716 xbt_dynar_push(host.power_peak,&cabinet->power);
717 sg_platf_new_host(&host);
718 xbt_dynar_free(&host.power_peak);
719 sg_platf_new_link(&link);
721 char* link_up = bprintf("%s_UP",link_id);
722 char* link_down = bprintf("%s_DOWN",link_id);
723 host_link.id = host_id;
724 host_link.link_up = link_up;
725 host_link.link_down = link_down;
726 sg_platf_new_host_link(&host_link);
734 xbt_dynar_free(&radical_ends);
736 xbt_dynar_free(&radical_elements);
739 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
741 char *host_id, *groups, *link_id = NULL;
742 xbt_dict_t patterns = NULL;
745 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
746 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
750 xbt_dynar_t radical_elements;
751 xbt_dynar_t radical_ends;
753 if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
754 || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
755 patterns = xbt_dict_new_homogeneous(xbt_free_f);
756 xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
757 xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
758 xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
761 /* parse the topology attribute. If we are not in a flat cluster,
762 * switch to the right mode and initialize the routing with
763 * the parameters in topo_parameters attribute
765 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
768 if(cluster->topology == SURF_CLUSTER_TORUS){
769 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Torus_Cluster\">", cluster->id);
770 AS.routing = A_surfxml_AS_routing_Cluster___torus;
771 sg_platf_new_AS_begin(&AS);
772 ((AsClusterTorus*)current_routing)->parse_specific_arguments(cluster);
774 else if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
775 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Fat_Tree_Cluster\">", cluster->id);
776 AS.routing = A_surfxml_AS_routing_Cluster___fat___tree;
777 sg_platf_new_AS_begin(&AS);
778 ((AsClusterFatTree*)current_routing)->parse_specific_arguments(cluster);
782 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
783 AS.routing = A_surfxml_AS_routing_Cluster;
784 sg_platf_new_AS_begin(&AS);
787 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
788 ((AsCluster*)current_routing)->p_nb_links_per_node++;
789 ((AsCluster*)current_routing)->p_has_loopback=1;
792 if(cluster->limiter_link!=0){
793 ((AsCluster*)current_routing)->p_nb_links_per_node++;
794 ((AsCluster*)current_routing)->p_has_limiter=1;
799 current_routing->p_linkUpDownList
800 = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
803 radical_elements = xbt_str_split(cluster->radical, ",");
804 xbt_dynar_foreach(radical_elements, iter, groups) {
806 radical_ends = xbt_str_split(groups, "-");
807 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
809 switch (xbt_dynar_length(radical_ends)) {
814 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
817 surf_parse_error("Malformed radical");
820 for (i = start; i <= end; i++) {
822 bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
823 link_id = bprintf("%s_link_%d", cluster->id, i);
825 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
827 memset(&host, 0, sizeof(host));
829 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
830 xbt_dict_cursor_t cursor=NULL;
832 host.properties = xbt_dict_new();
834 xbt_dict_foreach(cluster->properties,cursor,key,data) {
835 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
838 if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
839 xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
840 char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
841 XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
842 host.power_trace = tmgr_trace_new_from_file(avail_file);
843 xbt_free(avail_file);
845 XBT_DEBUG("\tavailability_file=\"\"");
848 if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
849 char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
850 XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
851 host.state_trace = tmgr_trace_new_from_file(avail_file);
852 xbt_free(avail_file);
854 XBT_DEBUG("\tstate_file=\"\"");
857 host.power_peak = xbt_dynar_new(sizeof(double), NULL);
858 xbt_dynar_push(host.power_peak,&cluster->power);
861 //host.power_peak = cluster->power;
862 host.power_scale = 1.0;
863 host.core_amount = cluster->core_amount;
864 host.initial_state = SURF_RESOURCE_ON;
866 sg_platf_new_host(&host);
867 xbt_dynar_free(&host.power_peak);
868 XBT_DEBUG("</host>");
870 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
871 cluster->bw, cluster->lat);
874 s_surf_parsing_link_up_down_t info_lim, info_loop;
875 // All links are saved in a matrix;
876 // every row describes a single node; every node
877 // may have multiple links.
878 // the first column may store a link from x to x if p_has_loopback is set
879 // the second column may store a limiter link if p_has_limiter is set
880 // other columns are to store one or more link for the node
882 //add a loopback link
883 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
884 char *tmp_link = bprintf("%s_loopback", link_id);
885 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
886 cluster->limiter_link);
889 memset(&link, 0, sizeof(link));
891 link.bandwidth = cluster->loopback_bw;
892 link.latency = cluster->loopback_lat;
893 link.state = SURF_RESOURCE_ON;
894 link.policy = SURF_LINK_FATPIPE;
895 sg_platf_new_link(&link);
896 info_loop.link_up = Link::byName(tmp_link);
897 info_loop.link_down = info_loop.link_up;
899 xbt_dynar_set(current_routing->p_linkUpDownList, rankId*(static_cast<AsCluster*>(current_routing))->p_nb_links_per_node, &info_loop);
902 //add a limiter link (shared link to account for maximal bandwidth of the node)
903 if(cluster->limiter_link!=0){
904 char *tmp_link = bprintf("%s_limiter", link_id);
905 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
906 cluster->limiter_link);
909 memset(&link, 0, sizeof(link));
911 link.bandwidth = cluster->limiter_link;
913 link.state = SURF_RESOURCE_ON;
914 link.policy = SURF_LINK_SHARED;
915 sg_platf_new_link(&link);
916 info_lim.link_up = Link::byName(tmp_link);
917 info_lim.link_down = info_lim.link_up;
919 xbt_dynar_set(current_routing->p_linkUpDownList,
920 rankId*(static_cast<AsCluster*>(current_routing))->p_nb_links_per_node + static_cast<AsCluster*>(current_routing)->p_has_loopback ,
926 //call the cluster function that adds the others links
927 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
928 ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
931 static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
932 static_cast<AsCluster*>(current_routing)->p_nb_links_per_node
933 + static_cast<AsCluster*>(current_routing)->p_has_loopback
934 + static_cast<AsCluster*>(current_routing)->p_has_limiter );
941 xbt_dynar_free(&radical_ends);
943 xbt_dynar_free(&radical_elements);
945 // For fat trees, the links must be created once all nodes have been added
946 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
947 static_cast<AsClusterFatTree*>(current_routing)->create_links();
949 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
950 // and it's very useful to connect clusters together
952 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
954 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
955 memset(&router, 0, sizeof(router));
956 router.id = cluster->router_id;
958 if (!router.id || !strcmp(router.id, ""))
960 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
962 sg_platf_new_router(&router);
963 ((AsCluster*)current_routing)->p_router = (RoutingEdge*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
967 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
968 char *link_backbone = bprintf("%s_backbone", cluster->id);
969 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
970 cluster->bb_bw, cluster->bb_lat);
972 memset(&link, 0, sizeof(link));
973 link.id = link_backbone;
974 link.bandwidth = cluster->bb_bw;
975 link.latency = cluster->bb_lat;
976 link.state = SURF_RESOURCE_ON;
977 link.policy = cluster->bb_sharing_policy;
979 sg_platf_new_link(&link);
981 routing_cluster_add_backbone(Link::byName(link_backbone));
987 sg_platf_new_AS_end();
989 xbt_dict_free(&patterns); // no op if it were never set
992 static void routing_parse_postparse(void) {
993 xbt_dict_free(&random_value);
996 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
998 char *host_id = NULL;
999 char *link_id = NULL;
1000 char *router_id = NULL;
1003 host_id = HOST_PEER(peer->id);
1004 link_id = LINK_PEER(peer->id);
1005 router_id = ROUTER_PEER(peer->id);
1007 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
1008 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
1010 AS.routing = A_surfxml_AS_routing_Cluster;
1011 sg_platf_new_AS_begin(&AS);
1013 current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
1015 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1016 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
1017 memset(&host, 0, sizeof(host));
1018 host.initial_state = SURF_RESOURCE_ON;
1021 host.power_peak = xbt_dynar_new(sizeof(double), NULL);
1022 xbt_dynar_push(host.power_peak,&peer->power);
1024 //host.power_peak = peer->power;
1025 host.power_scale = 1.0;
1026 host.power_trace = peer->availability_trace;
1027 host.state_trace = peer->state_trace;
1028 host.core_amount = 1;
1029 sg_platf_new_host(&host);
1030 xbt_dynar_free(&host.power_peak);
1032 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
1033 memset(&link, 0, sizeof(link));
1034 link.state = SURF_RESOURCE_ON;
1035 link.policy = SURF_LINK_SHARED;
1036 link.latency = peer->lat;
1038 char* link_up = bprintf("%s_UP",link_id);
1039 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
1040 peer->bw_out, peer->lat);
1042 link.bandwidth = peer->bw_out;
1043 sg_platf_new_link(&link);
1045 char* link_down = bprintf("%s_DOWN",link_id);
1046 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
1047 peer->bw_in, peer->lat);
1048 link.id = link_down;
1049 link.bandwidth = peer->bw_in;
1050 sg_platf_new_link(&link);
1052 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
1053 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
1054 memset(&host_link, 0, sizeof(host_link));
1055 host_link.id = host_id;
1056 host_link.link_up = link_up;
1057 host_link.link_down = link_down;
1058 sg_platf_new_host_link(&host_link);
1060 XBT_DEBUG("<router id=\"%s\"/>", router_id);
1061 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
1062 memset(&router, 0, sizeof(router));
1063 router.id = router_id;
1064 router.coord = peer->coord;
1065 sg_platf_new_router(&router);
1066 static_cast<AsCluster*>(current_routing)->p_router = static_cast<RoutingEdge*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
1069 sg_platf_new_AS_end();
1072 //xbt_dynar_free(&tab_elements_num);
1080 // static void routing_parse_Srandom(void)
1082 // double mean, std, min, max, seed;
1083 // char *random_id = A_surfxml_random_id;
1084 // char *random_radical = A_surfxml_random_radical;
1085 // char *rd_name = NULL;
1087 // mean = surf_parse_get_double(A_surfxml_random_mean);
1088 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
1089 // min = surf_parse_get_double(A_surfxml_random_min);
1090 // max = surf_parse_get_double(A_surfxml_random_max);
1091 // seed = surf_parse_get_double(A_surfxml_random_seed);
1095 // random_data_t random = xbt_new0(s_random_data_t, 1);
1098 // xbt_dynar_t radical_elements;
1099 // unsigned int iter;
1102 // xbt_dynar_t radical_ends;
1104 // switch (A_surfxml_random_generator) {
1105 // case AU_surfxml_random_generator:
1106 // case A_surfxml_random_generator_NONE:
1107 // random->generator = NONE;
1109 // case A_surfxml_random_generator_DRAND48:
1110 // random->generator = DRAND48;
1112 // case A_surfxml_random_generator_RAND:
1113 // random->generator = RAND;
1115 // case A_surfxml_random_generator_RNGSTREAM:
1116 // random->generator = RNGSTREAM;
1119 // surf_parse_error("Invalid random generator");
1122 // random->seed = seed;
1123 // random->min = min;
1124 // random->max = max;
1126 // /* Check user stupidities */
1128 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1130 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1132 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1134 // /* normalize the mean and standard deviation before storing */
1135 // random->mean = (mean - min) / (max - min);
1136 // random->std = std / (max - min);
1138 // if (random->mean * (1 - random->mean) < random->std * random->std)
1139 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1140 // random->mean, random->std);
1143 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1144 // random_id, random->min, random->max, random->mean, random->std,
1145 // (int)random->generator, random->seed, random_radical);
1147 // if (!random_value)
1148 // random_value = xbt_dict_new_homogeneous(free);
1150 // if (!strcmp(random_radical, "")) {
1151 // res = random_generate(random);
1152 // rd_value = bprintf("%f", res);
1153 // xbt_dict_set(random_value, random_id, rd_value, NULL);
1155 // radical_elements = xbt_str_split(random_radical, ",");
1156 // xbt_dynar_foreach(radical_elements, iter, groups) {
1157 // radical_ends = xbt_str_split(groups, "-");
1158 // switch (xbt_dynar_length(radical_ends)) {
1160 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1161 // "Custom Random '%s' already exists !", random_id);
1162 // res = random_generate(random);
1164 // bprintf("%s%d", random_id,
1165 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1166 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1167 // xbt_free(tmpbuf);
1171 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1172 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1173 // for (i = start; i <= end; i++) {
1174 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1175 // "Custom Random '%s' already exists !", bprintf("%s%d",
1178 // res = random_generate(random);
1179 // tmpbuf = bprintf("%s%d", random_id, i);
1180 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1181 // xbt_free(tmpbuf);
1185 // XBT_CRITICAL("Malformed radical");
1188 // res = random_generate(random);
1189 // rd_name = bprintf("%s_router", random_id);
1190 // rd_value = bprintf("%f", res);
1191 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
1193 // xbt_dynar_free(&radical_ends);
1196 // xbt_dynar_free(&radical_elements);
1200 static void check_disk_attachment()
1202 xbt_lib_cursor_t cursor;
1205 RoutingEdge *host_elm;
1206 xbt_lib_foreach(storage_lib, cursor, key, data) {
1207 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
1208 Storage *storage = static_cast<Storage*>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
1209 host_elm = sg_routing_edge_by_name_or_null(storage->p_attach);
1211 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
1216 void routing_register_callbacks()
1218 sg_platf_ASroute_add_cb(parse_E_ASroute);
1220 sg_platf_cluster_add_cb(routing_parse_cluster);
1222 sg_platf_postparse_add_cb(routing_parse_postparse);
1223 sg_platf_postparse_add_cb(check_disk_attachment);
1225 instr_routing_define_callbacks();
1229 * \brief Recursive function for finalize
1231 * \param rc the source host name
1233 * This fuction is call by "finalize". It allow to finalize the
1234 * AS or routing components. It delete all the structures.
1236 static void finalize_rec(As *as) {
1237 xbt_dict_cursor_t cursor = NULL;
1241 xbt_dict_foreach(as->p_routingSons, cursor, key, elem) {
1248 /** \brief Frees all memory allocated by the routing module */
1249 void routing_exit(void) {
1250 delete routing_platf;
1253 RoutingPlatf::~RoutingPlatf()
1255 xbt_dynar_free(&p_lastRoute);
1256 finalize_rec(p_root);
1259 AS_t surf_AS_get_routing_root() {
1260 return routing_platf->p_root;
1263 const char *surf_AS_get_name(As *as) {
1267 static As *surf_AS_recursive_get_by_name(As *current, const char * name) {
1268 xbt_dict_cursor_t cursor = NULL;
1273 if(!strcmp(current->p_name, name))
1276 xbt_dict_foreach(current->p_routingSons, cursor, key, elem) {
1277 tmp = surf_AS_recursive_get_by_name(elem, name);
1286 As *surf_AS_get_by_name(const char * name) {
1287 As *as = surf_AS_recursive_get_by_name(routing_platf->p_root, name);
1289 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
1293 xbt_dict_t surf_AS_get_routing_sons(As *as) {
1294 return as->p_routingSons;
1297 const char *surf_AS_get_model(As *as) {
1298 return as->p_modelDesc->name;
1301 xbt_dynar_t surf_AS_get_hosts(As *as) {
1302 xbt_dynar_t elms = as->p_indexNetworkElm;
1303 sg_routing_edge_t relm;
1306 int count = xbt_dynar_length(elms);
1307 xbt_dynar_t res = xbt_dynar_new(sizeof(xbt_dictelm_t), NULL);
1308 for (index = 0; index < count; index++) {
1309 relm = xbt_dynar_get_as(elms, index, RoutingEdge*);
1310 delm = xbt_lib_get_elm_or_null(host_lib, relm->getName());
1312 xbt_dynar_push(res, &delm);
1318 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
1319 as->getGraph(graph, nodes, edges);