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"
21 * @ingroup SURF_build_api
22 * @brief A library containing all known hosts
26 int SURF_HOST_LEVEL; //Surf host level
27 int COORD_HOST_LEVEL=0; //Coordinates level
28 int NS3_HOST_LEVEL; //host node for ns3
30 int MSG_FILE_LEVEL; //Msg file level
32 int SIMIX_STORAGE_LEVEL; //Simix storage level
33 int MSG_STORAGE_LEVEL; //Msg storage level
34 int SD_STORAGE_LEVEL; //Simdag storage level
36 xbt_lib_t as_router_lib;
37 int ROUTING_ASR_LEVEL; //Routing level
38 int COORD_ASR_LEVEL; //Coordinates level
39 int NS3_ASR_LEVEL; //host node for ns3
40 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
42 static xbt_dict_t random_value = NULL;
45 /** @brief Retrieve a routing edge from its name
47 * Routing edges are either host and routers, whatever
49 RoutingEdge *sg_routing_edge_by_name_or_null(const char *name) {
50 sg_host_t h = sg_host_by_name(name);
51 RoutingEdge *net_elm = h==NULL?NULL: sg_host_edge(h);
53 net_elm = (RoutingEdge*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
58 RoutingPlatf *routing_platf = NULL;
59 As *current_routing = NULL;
61 /* global parse functions */
62 extern xbt_dynar_t mount_list;
64 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
66 static void routing_parse_peer(sg_platf_peer_cbarg_t peer); /* peer bypass */
67 // static void routing_parse_Srandom(void); /* random bypass */
69 static void routing_parse_postparse(void);
71 /* this lines are only for replace use like index in the model table */
76 SURF_MODEL_DIJKSTRACACHE,
80 SURF_MODEL_TORUS_CLUSTER,
81 SURF_MODEL_FAT_TREE_CLUSTER,
84 struct s_model_type routing_models[] = {
86 "Full routing data (fast, large memory requirements, fully expressive)",
87 model_full_create, model_full_end},
89 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
90 model_floyd_create, model_floyd_end},
92 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
93 model_dijkstra_create, model_dijkstra_both_end},
95 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
96 model_dijkstracache_create, model_dijkstra_both_end},
97 {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
98 model_none_create, NULL},
99 {"Vivaldi", "Vivaldi routing",
100 model_vivaldi_create, NULL},
101 {"Cluster", "Cluster routing",
102 model_cluster_create, NULL},
103 {"Torus_Cluster", "Torus Cluster routing",
104 model_torus_cluster_create, NULL},
105 {"Fat_Tree_Cluster", "Fat Tree Cluster routing",
106 model_fat_tree_cluster_create, NULL},
107 {NULL, NULL, NULL, NULL}
111 * \brief Add a "host_link" to the network element list
113 static void parse_S_host_link(sg_platf_host_link_cbarg_t host)
115 RoutingEdge *info = sg_host_edge(sg_host_by_name(host->id));
116 xbt_assert(info, "Host '%s' not found!", host->id);
117 xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER] ||
118 current_routing->p_modelDesc == &routing_models[SURF_MODEL_VIVALDI],
119 "You have to be in model Cluster to use tag host_link!");
121 s_surf_parsing_link_up_down_t link_up_down;
122 link_up_down.link_up = Link::byName(host->link_up);
123 link_up_down.link_down = Link::byName(host->link_down);
125 xbt_assert(link_up_down.link_up, "Link '%s' not found!",host->link_up);
126 xbt_assert(link_up_down.link_down, "Link '%s' not found!",host->link_down);
128 if(!current_routing->p_linkUpDownList)
129 current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
131 // If dynar is is greater than edge id and if the host_link is already defined
132 if((int)xbt_dynar_length(current_routing->p_linkUpDownList) > info->getId() &&
133 xbt_dynar_get_as(current_routing->p_linkUpDownList, info->getId(), void*))
134 surf_parse_error("Host_link for '%s' is already defined!",host->id);
136 XBT_DEBUG("Push Host_link for host '%s' to position %d", info->getName(), info->getId());
137 xbt_dynar_set_as(current_routing->p_linkUpDownList, info->getId(), s_surf_parsing_link_up_down_t, link_up_down);
141 * \brief Add a "host" to the network element list
143 static void parse_S_host(sg_platf_host_cbarg_t host)
145 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
146 current_routing->p_hierarchy = SURF_ROUTING_BASE;
147 xbt_assert(!sg_host_by_name(host->id),
148 "Reading a host, processing unit \"%s\" already exists", host->id);
150 RoutingEdge *info = new RoutingEdgeImpl(xbt_strdup(host->id),
152 SURF_NETWORK_ELEMENT_HOST,
154 info->setId(current_routing->parsePU(info));
155 sg_host_edge_set(sg_host_by_name_or_create(host->id), info);
156 XBT_DEBUG("Having set name '%s' id '%d'", host->id, info->getId());
159 xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
163 if (host->coord && strcmp(host->coord, "")) {
167 if (!COORD_HOST_LEVEL)
168 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
169 /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
170 xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
171 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
172 xbt_dynar_foreach(ctn_str,cursor, str) {
173 double val = atof(str);
174 xbt_dynar_push(ctn,&val);
176 xbt_dynar_shrink(ctn, 0);
177 xbt_dynar_free(&ctn_str);
178 xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
179 XBT_DEBUG("Having set host coordinates for '%s'",host->id);
184 * \brief Add a "router" to the network element list
186 static void parse_S_router(sg_platf_router_cbarg_t router)
188 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
189 current_routing->p_hierarchy = SURF_ROUTING_BASE;
190 xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
191 "Reading a router, processing unit \"%s\" already exists",
194 RoutingEdge *info = new RoutingEdgeImpl(xbt_strdup(router->id),
196 SURF_NETWORK_ELEMENT_ROUTER,
198 info->setId(current_routing->parsePU(info));
199 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
200 XBT_DEBUG("Having set name '%s' id '%d'", router->id, info->getId());
202 if (router->coord && strcmp(router->coord, "")) {
206 if (!COORD_ASR_LEVEL)
207 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
208 /* Pre-parse the host coordinates */
209 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
210 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
211 xbt_dynar_foreach(ctn_str,cursor, str) {
212 double val = atof(str);
213 xbt_dynar_push(ctn,&val);
215 xbt_dynar_shrink(ctn, 0);
216 xbt_dynar_free(&ctn_str);
217 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
218 XBT_DEBUG("Having set router coordinates for '%s'",router->id);
223 * \brief Store the route by calling the set_route function of the current routing component
225 static void parse_E_route(sg_platf_route_cbarg_t route)
227 /*FIXME:REMOVE:xbt_assert(current_routing->parse_route,
228 "no defined method \"set_route\" in \"%s\"",
229 current_routing->name);*/
231 current_routing->parseRoute(route);
235 * \brief Store the ASroute by calling the set_ASroute function of the current routing component
237 static void parse_E_ASroute(sg_platf_route_cbarg_t ASroute)
239 /*FIXME:REMOVE:xbt_assert(current_routing->parse_ASroute,
240 "no defined method \"set_ASroute\" in \"%s\"",
241 current_routing->name);*/
242 current_routing->parseASroute(ASroute);
246 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
248 static void parse_E_bypassRoute(sg_platf_route_cbarg_t route)
250 /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
251 "Bypassing mechanism not implemented by routing '%s'",
252 current_routing->name);*/
254 current_routing->parseBypassroute(route);
258 * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
260 static void parse_E_bypassASroute(sg_platf_route_cbarg_t ASroute)
262 /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
263 "Bypassing mechanism not implemented by routing '%s'",
264 current_routing->name);*/
265 current_routing->parseBypassroute(ASroute);
268 static void routing_parse_trace(sg_platf_trace_cbarg_t trace)
270 tmgr_trace_t tmgr_trace;
271 if (!trace->file || strcmp(trace->file, "") != 0) {
272 tmgr_trace = tmgr_trace_new_from_file(trace->file);
273 } else if (strcmp(trace->pc_data, "") == 0) {
277 tmgr_trace_new_from_string(trace->id, trace->pc_data,
280 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
283 static void routing_parse_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
285 xbt_assert(xbt_dict_get_or_null
286 (traces_set_list, trace_connect->trace),
287 "Cannot connect trace %s to %s: trace unknown",
288 trace_connect->trace,
289 trace_connect->element);
291 switch (trace_connect->kind) {
292 case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
293 xbt_dict_set(trace_connect_list_host_avail,
294 trace_connect->trace,
295 xbt_strdup(trace_connect->element), NULL);
297 case SURF_TRACE_CONNECT_KIND_POWER:
298 xbt_dict_set(trace_connect_list_power, trace_connect->trace,
299 xbt_strdup(trace_connect->element), NULL);
301 case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
302 xbt_dict_set(trace_connect_list_link_avail,
303 trace_connect->trace,
304 xbt_strdup(trace_connect->element), NULL);
306 case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
307 xbt_dict_set(trace_connect_list_bandwidth,
308 trace_connect->trace,
309 xbt_strdup(trace_connect->element), NULL);
311 case SURF_TRACE_CONNECT_KIND_LATENCY:
312 xbt_dict_set(trace_connect_list_latency, trace_connect->trace,
313 xbt_strdup(trace_connect->element), NULL);
316 surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
317 trace_connect->trace, trace_connect->element);
323 * \brief Make a new routing component to the platform
325 * Add a new autonomous system to the platform. Any elements (such as host,
326 * router or sub-AS) added after this call and before the corresponding call
327 * to sg_platf_new_AS_close() will be added to this AS.
329 * Once this function was called, the configuration concerning the used
330 * models cannot be changed anymore.
332 * @param AS_id name of this autonomous system. Must be unique in the platform
333 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
335 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
337 XBT_DEBUG("routing_AS_begin");
338 routing_model_description_t model = NULL;
340 xbt_assert(!xbt_lib_get_or_null
341 (as_router_lib, AS->id, ROUTING_ASR_LEVEL),
342 "The AS \"%s\" already exists", AS->id);
344 _sg_cfg_init_status = 2; /* horrible hack: direct access to the global
345 * controlling the level of configuration to prevent
346 * any further config */
348 /* search the routing model */
350 case A_surfxml_AS_routing_Cluster: model = &routing_models[SURF_MODEL_CLUSTER];break;
351 case A_surfxml_AS_routing_Cluster___torus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break;
352 case A_surfxml_AS_routing_Cluster___fat___tree: model = &routing_models[SURF_MODEL_FAT_TREE_CLUSTER];break;
353 case A_surfxml_AS_routing_Dijkstra: model = &routing_models[SURF_MODEL_DIJKSTRA];break;
354 case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
355 case A_surfxml_AS_routing_Floyd: model = &routing_models[SURF_MODEL_FLOYD];break;
356 case A_surfxml_AS_routing_Full: model = &routing_models[SURF_MODEL_FULL];break;
357 case A_surfxml_AS_routing_None: model = &routing_models[SURF_MODEL_NONE];break;
358 case A_surfxml_AS_routing_Vivaldi: model = &routing_models[SURF_MODEL_VIVALDI];break;
359 default: xbt_die("Not a valid model!!!");
363 /* make a new routing component */
364 As *new_as = model->create();
366 new_as->p_modelDesc = model;
367 new_as->p_hierarchy = SURF_ROUTING_NULL;
368 new_as->p_name = xbt_strdup(AS->id);
370 RoutingEdge *info = new RoutingEdgeImpl(xbt_strdup(new_as->p_name),
372 SURF_NETWORK_ELEMENT_AS,
374 if (current_routing == NULL && routing_platf->p_root == NULL) {
376 /* it is the first one */
377 new_as->p_routingFather = NULL;
378 routing_platf->p_root = new_as;
380 } else if (current_routing != NULL && routing_platf->p_root != NULL) {
382 xbt_assert(!xbt_dict_get_or_null
383 (current_routing->p_routingSons, AS->id),
384 "The AS \"%s\" already exists", AS->id);
385 /* it is a part of the tree */
386 new_as->p_routingFather = current_routing;
387 /* set the father behavior */
388 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
389 current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
390 /* add to the sons dictionary */
391 xbt_dict_set(current_routing->p_routingSons, AS->id,
392 (void *) new_as, NULL);
393 /* add to the father element list */
394 info->setId(current_routing->parseAS(info));
396 THROWF(arg_error, 0, "All defined components must belong to a AS");
399 xbt_lib_set(as_router_lib, info->getName(), ROUTING_ASR_LEVEL,
401 XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, info->getId());
403 /* set the new current component of the tree */
404 current_routing = new_as;
405 current_routing->p_netElem = info;
410 * \brief Specify that the current description of AS is finished
412 * Once you've declared all the content of your AS, you have to close
413 * it with this call. Your AS is not usable until you call this function.
415 * @fixme: this call is not as robust as wanted: bad things WILL happen
416 * if you call it twice for the same AS, or if you forget calling it, or
417 * even if you add stuff to a closed AS
420 void routing_AS_end(sg_platf_AS_cbarg_t /*AS*/)
423 if (current_routing == NULL) {
424 THROWF(arg_error, 0, "Close an AS, but none was under construction");
426 if (current_routing->p_modelDesc->end)
427 current_routing->p_modelDesc->end(current_routing);
428 current_routing = current_routing->p_routingFather;
432 /* Aux Business methods */
435 * \brief Get the AS father and the first elements of the chain
437 * \param src the source host name
438 * \param dst the destination host name
440 * Get the common father of the to processing units, and the first different
441 * father in the chain
443 static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst,
448 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
449 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
451 As *path_src[ELEMENTS_FATHER_MAXDEPTH];
452 As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
460 /* (1) find the as where the src and dst are located */
461 sg_routing_edge_t src_data = src;
462 sg_routing_edge_t dst_data = dst;
463 src_as = src_data->getRcComponent();
464 dst_as = dst_data->getRcComponent();
466 char* src_name = src_data->getName();
467 char* dst_name = dst_data->getName();
470 xbt_assert(src_as && dst_as,
471 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
473 /* (2) find the path to the root routing component */
474 for (current = src_as; current != NULL; current = current->p_routingFather) {
475 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
476 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
477 path_src[index_src++] = current;
479 for (current = dst_as; current != NULL; current = current->p_routingFather) {
480 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
481 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
482 path_dst[index_dst++] = current;
485 /* (3) find the common father */
487 current_src = path_src[--index_src];
488 current_dst = path_dst[--index_dst];
489 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
491 /* (4) they are not in the same routing component, make the path */
492 if (current_src == current_dst)
493 father = current_src;
495 father = path_src[index_src + 1];
497 /* (5) result generation */
498 *res_father = father; /* first the common father of src and dst */
499 *res_src = current_src; /* second the first different father of src */
500 *res_dst = current_dst; /* three the first different father of dst */
502 #undef ELEMENTS_FATHER_MAXDEPTH
505 /* Global Business methods */
508 * \brief Recursive function for get_route_latency
510 * \param src the source host name
511 * \param dst the destination host name
512 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
513 * \param *latency the latency, if needed
515 * This function is called by "get_route" and "get_latency". It allows to walk
516 * recursively through the ASes tree.
518 static void _get_route_and_latency(RoutingEdge *src, RoutingEdge *dst,
519 xbt_dynar_t * links, double *latency)
521 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
522 memset(&route,0,sizeof(route));
524 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
525 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->getName(), dst->getName());
527 /* Find how src and dst are interconnected */
528 As *common_father, *src_father, *dst_father;
529 elements_father(src, dst, &common_father, &src_father, &dst_father);
530 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
531 common_father->p_name, src_father->p_name, dst_father->p_name);
533 /* Check whether a direct bypass is defined */
534 sg_platf_route_cbarg_t e_route_bypass = NULL;
535 //FIXME:REMOVE:if (common_father->get_bypass_route)
537 e_route_bypass = common_father->getBypassRoute(src, dst, latency);
539 /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
540 if (e_route_bypass) {
541 xbt_dynar_merge(links, &e_route_bypass->link_list);
542 generic_free_route(e_route_bypass);
546 /* If src and dst are in the same AS, life is good */
547 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
548 route.link_list = *links;
549 common_father->getRouteAndLatency(src, dst, &route, latency);
550 // if vivaldi latency+=vivaldi(src,dst)
554 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
556 route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
557 // Find the net_card corresponding to father
558 RoutingEdge *src_father_net_elm = src_father->p_netElem;
559 RoutingEdge *dst_father_net_elm = dst_father->p_netElem;
561 common_father->getRouteAndLatency(src_father_net_elm, dst_father_net_elm,
564 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
565 "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
567 sg_routing_edge_t src_gateway_net_elm = route.gw_src;
568 sg_routing_edge_t dst_gateway_net_elm = route.gw_dst;
570 /* If source gateway is not our source, we have to recursively find our way up to this point */
571 if (src != src_gateway_net_elm)
572 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
573 xbt_dynar_merge(links, &route.link_list);
575 /* If dest gateway is not our destination, we have to recursively find our way from this point */
576 if (dst_gateway_net_elm != dst)
577 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
579 // if vivaldi latency+=vivaldi(src_gateway,dst_gateway)
582 AS_t surf_platf_get_root(routing_platf_t platf){
583 return platf->p_root;
586 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_routing_edge_t edge){
587 return edge->getRcType();
592 * \brief Find a route between hosts
594 * \param src the network_element_t for src host
595 * \param dst the network_element_t for dst host
596 * \param route where to store the list of links.
597 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
598 * \param latency where to store the latency experienced on the path (or NULL if not interested)
599 * It is the caller responsability to initialize latency to 0 (we add to provided route)
602 * walk through the routing components tree and find a route between hosts
603 * by calling the differents "get_route" functions in each routing component.
605 void RoutingPlatf::getRouteAndLatency(RoutingEdge *src, RoutingEdge *dst,
606 xbt_dynar_t* route, double *latency)
608 XBT_DEBUG("routing_get_route_and_latency from %s to %s", src->getName(), dst->getName());
610 xbt_dynar_reset(routing_platf->p_lastRoute);
611 *route = routing_platf->p_lastRoute;
614 _get_route_and_latency(src, dst, route, latency);
616 xbt_assert(!latency || *latency >= 0.0,
617 "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
620 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
621 return recursiveGetOneLinkRoutes(p_root);
624 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc)
626 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
628 //adding my one link routes
629 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
631 xbt_dynar_merge(&ret,&onelink_mine);
635 xbt_dict_cursor_t cursor = NULL;
637 xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
638 xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
640 xbt_dynar_merge(&ret,&onelink_child);
645 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
647 RoutingEdge *rc = sg_routing_edge_by_name_or_null(name);
649 return rc->getRcType();
651 return SURF_NETWORK_ELEMENT_NULL;
655 * \brief Generic method: create the global routing schema
657 * Make a global routing structure and set all the parsing functions.
659 void routing_model_create( void *loopback)
661 /* config the uniq global routing */
662 routing_platf = new RoutingPlatf();
663 routing_platf->p_root = NULL;
664 routing_platf->p_loopback = loopback;
665 routing_platf->p_lastRoute = xbt_dynar_new(sizeof(sg_routing_link_t),NULL);
666 /* no current routing at moment */
667 current_routing = NULL;
671 /* ************************************************** */
672 /* ********** PATERN FOR NEW ROUTING **************** */
674 /* The minimal configuration of a new routing model need the next functions,
675 * also you need to set at the start of the file, the new model in the model
676 * list. Remember keep the null ending of the list.
678 /*** Routing model structure ***/
680 // s_routing_component_t generic_routing;
681 // /* things that your routing model need */
682 // } s_routing_component_NEW_t,*routing_component_NEW_t;
684 /*** Parse routing model functions ***/
685 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
686 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
687 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
688 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
689 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
691 /*** Business methods ***/
692 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
693 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
694 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
696 /*** Creation routing model functions ***/
697 // static void* model_NEW_create(void) {
698 // routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
699 // new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
700 // new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
701 // new_component->generic_routing.set_route = model_NEW_set_route;
702 // new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
703 // new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
704 // new_component->generic_routing.get_route = NEW_get_route;
705 // new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
706 // new_component->generic_routing.finalize = NEW_finalize;
707 // /* initialization of internal structures */
708 // return new_component;
710 // static void model_NEW_load(void) {} /* mandatory */
711 // static void model_NEW_unload(void) {} /* mandatory */
712 // static void model_NEW_end(void) {} /* mandatory */
714 /* ************************************************************************** */
715 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
717 void routing_cluster_add_backbone(void* bb) {
718 xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER],
719 "You have to be in model Cluster to use tag backbone!");
720 xbt_assert(!static_cast<AsCluster*>(current_routing)->p_backbone, "The backbone link is already defined!");
721 static_cast<AsCluster*>(current_routing)->p_backbone = static_cast<Link*>(bb);
722 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
725 static void routing_parse_cabinet(sg_platf_cabinet_cbarg_t cabinet)
728 char *groups , *host_id , *link_id = NULL;
730 xbt_dynar_t radical_elements;
731 xbt_dynar_t radical_ends;
734 radical_elements = xbt_str_split(cabinet->radical, ",");
735 xbt_dynar_foreach(radical_elements, iter, groups) {
737 radical_ends = xbt_str_split(groups, "-");
738 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
740 switch (xbt_dynar_length(radical_ends)) {
745 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
748 surf_parse_error("Malformed radical");
751 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
752 memset(&host, 0, sizeof(host));
753 host.initial_state = SURF_RESOURCE_ON;
755 host.power_scale = 1.0;
756 host.core_amount = 1;
758 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
759 memset(&link, 0, sizeof(link));
760 link.state = SURF_RESOURCE_ON;
761 link.policy = SURF_LINK_FULLDUPLEX;
762 link.latency = cabinet->lat;
763 link.bandwidth = cabinet->bw;
765 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
766 memset(&host_link, 0, sizeof(host_link));
768 for (i = start; i <= end; i++) {
769 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
770 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
773 xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
774 xbt_dynar_push(power_state_list,&cabinet->power);
775 host.power_peak = power_state_list;
776 sg_platf_new_host(&host);
777 sg_platf_new_link(&link);
779 char* link_up = bprintf("%s_UP",link_id);
780 char* link_down = bprintf("%s_DOWN",link_id);
781 host_link.id = host_id;
782 host_link.link_up = link_up;
783 host_link.link_down = link_down;
784 sg_platf_new_host_link(&host_link);
792 xbt_dynar_free(&radical_ends);
794 xbt_dynar_free(&radical_elements);
797 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
799 char *host_id, *groups, *link_id = NULL;
800 xbt_dict_t patterns = NULL;
803 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
804 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
808 xbt_dynar_t radical_elements;
809 xbt_dynar_t radical_ends;
811 if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
812 || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
813 patterns = xbt_dict_new_homogeneous(xbt_free_f);
814 xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
815 xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
816 xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
819 /* parse the topology attribute. If we are not in a flat cluster,
820 * switch to the right mode and initialize the routing with
821 * the parameters in topo_parameters attribute
823 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
826 if(cluster->topology == SURF_CLUSTER_TORUS){
827 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Torus_Cluster\">", cluster->id);
828 AS.routing = A_surfxml_AS_routing_Cluster___torus;
829 sg_platf_new_AS_begin(&AS);
830 ((AsClusterTorus*)current_routing)->parse_specific_arguments(cluster);
832 else if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
833 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Fat_Tree_Cluster\">", cluster->id);
834 AS.routing = A_surfxml_AS_routing_Cluster___fat___tree;
835 sg_platf_new_AS_begin(&AS);
836 ((AsClusterFatTree*)current_routing)->parse_specific_arguments(cluster);
840 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
841 AS.routing = A_surfxml_AS_routing_Cluster;
842 sg_platf_new_AS_begin(&AS);
845 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
846 ((AsCluster*)current_routing)->p_nb_links_per_node++;
847 ((AsCluster*)current_routing)->p_has_loopback=1;
850 if(cluster->limiter_link!=0){
851 ((AsCluster*)current_routing)->p_nb_links_per_node++;
852 ((AsCluster*)current_routing)->p_has_limiter=1;
857 current_routing->p_linkUpDownList
858 = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
861 radical_elements = xbt_str_split(cluster->radical, ",");
862 xbt_dynar_foreach(radical_elements, iter, groups) {
864 radical_ends = xbt_str_split(groups, "-");
865 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
867 switch (xbt_dynar_length(radical_ends)) {
872 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
875 surf_parse_error("Malformed radical");
878 for (i = start; i <= end; i++) {
880 bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
881 link_id = bprintf("%s_link_%d", cluster->id, i);
883 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
885 memset(&host, 0, sizeof(host));
887 if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
888 xbt_dict_cursor_t cursor=NULL;
890 host.properties = xbt_dict_new();
892 xbt_dict_foreach(cluster->properties,cursor,key,data) {
893 xbt_dict_set(host.properties, key, xbt_strdup(data),free);
896 if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
897 xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
898 char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
899 XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
900 host.power_trace = tmgr_trace_new_from_file(avail_file);
901 xbt_free(avail_file);
903 XBT_DEBUG("\tavailability_file=\"\"");
906 if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
907 char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
908 XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
909 host.state_trace = tmgr_trace_new_from_file(avail_file);
910 xbt_free(avail_file);
912 XBT_DEBUG("\tstate_file=\"\"");
915 xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
916 xbt_dynar_push(power_state_list,&cluster->power);
917 host.power_peak = power_state_list;
920 //host.power_peak = cluster->power;
921 host.power_scale = 1.0;
922 host.core_amount = cluster->core_amount;
923 host.initial_state = SURF_RESOURCE_ON;
925 sg_platf_new_host(&host);
926 XBT_DEBUG("</host>");
928 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
929 cluster->bw, cluster->lat);
932 s_surf_parsing_link_up_down_t info_lim, info_loop;
933 // All links are saved in a matrix;
934 // every row describes a single node; every node
935 // may have multiple links.
936 // the first column may store a link from x to x if p_has_loopback is set
937 // the second column may store a limiter link if p_has_limiter is set
938 // other columns are to store one or more link for the node
940 //add a loopback link
941 if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
942 char *tmp_link = bprintf("%s_loopback", link_id);
943 XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
944 cluster->limiter_link);
947 memset(&link, 0, sizeof(link));
949 link.bandwidth = cluster->loopback_bw;
950 link.latency = cluster->loopback_lat;
951 link.state = SURF_RESOURCE_ON;
952 link.policy = SURF_LINK_FATPIPE;
953 sg_platf_new_link(&link);
954 info_loop.link_up = Link::byName(tmp_link);
955 info_loop.link_down = info_loop.link_up;
957 xbt_dynar_set(current_routing->p_linkUpDownList, rankId*(static_cast<AsCluster*>(current_routing))->p_nb_links_per_node, &info_loop);
960 //add a limiter link (shared link to account for maximal bandwidth of the node)
961 if(cluster->limiter_link!=0){
962 char *tmp_link = bprintf("%s_limiter", link_id);
963 XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
964 cluster->limiter_link);
967 memset(&link, 0, sizeof(link));
969 link.bandwidth = cluster->limiter_link;
971 link.state = SURF_RESOURCE_ON;
972 link.policy = SURF_LINK_SHARED;
973 sg_platf_new_link(&link);
974 info_lim.link_up = Link::byName(tmp_link);
975 info_lim.link_down = info_lim.link_up;
977 xbt_dynar_set(current_routing->p_linkUpDownList,
978 rankId*(static_cast<AsCluster*>(current_routing))->p_nb_links_per_node + static_cast<AsCluster*>(current_routing)->p_has_loopback ,
984 //call the cluster function that adds the others links
985 if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
986 ((AsClusterFatTree*) current_routing)->addProcessingNode(i);
989 static_cast<AsCluster*>(current_routing)->create_links_for_node(cluster, i, rankId, rankId*
990 static_cast<AsCluster*>(current_routing)->p_nb_links_per_node
991 + static_cast<AsCluster*>(current_routing)->p_has_loopback
992 + static_cast<AsCluster*>(current_routing)->p_has_limiter );
999 xbt_dynar_free(&radical_ends);
1001 xbt_dynar_free(&radical_elements);
1003 // For fat trees, the links must be created once all nodes have been added
1004 if(cluster->topology == SURF_CLUSTER_FAT_TREE) {
1005 static_cast<AsClusterFatTree*>(current_routing)->create_links();
1007 // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
1008 // and it's very useful to connect clusters together
1010 XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
1012 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
1013 memset(&router, 0, sizeof(router));
1014 router.id = cluster->router_id;
1016 if (!router.id || !strcmp(router.id, ""))
1018 bprintf("%s%s_router%s", cluster->prefix, cluster->id,
1020 sg_platf_new_router(&router);
1021 ((AsCluster*)current_routing)->p_router = (RoutingEdge*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
1025 if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
1026 char *link_backbone = bprintf("%s_backbone", cluster->id);
1027 XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
1028 cluster->bb_bw, cluster->bb_lat);
1030 memset(&link, 0, sizeof(link));
1031 link.id = link_backbone;
1032 link.bandwidth = cluster->bb_bw;
1033 link.latency = cluster->bb_lat;
1034 link.state = SURF_RESOURCE_ON;
1035 link.policy = cluster->bb_sharing_policy;
1037 sg_platf_new_link(&link);
1039 routing_cluster_add_backbone(Link::byName(link_backbone));
1041 free(link_backbone);
1045 sg_platf_new_AS_end();
1047 xbt_dict_free(&patterns); // no op if it were never set
1050 static void routing_parse_postparse(void) {
1051 xbt_dict_free(&random_value);
1054 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1056 char *host_id = NULL;
1057 char *link_id = NULL;
1058 char *router_id = NULL;
1061 host_id = HOST_PEER(peer->id);
1062 link_id = LINK_PEER(peer->id);
1063 router_id = ROUTER_PEER(peer->id);
1065 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
1066 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
1068 AS.routing = A_surfxml_AS_routing_Cluster;
1069 sg_platf_new_AS_begin(&AS);
1071 current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
1073 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1074 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
1075 memset(&host, 0, sizeof(host));
1076 host.initial_state = SURF_RESOURCE_ON;
1079 xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
1080 xbt_dynar_push(power_state_list,&peer->power);
1081 host.power_peak = power_state_list;
1083 //host.power_peak = peer->power;
1084 host.power_scale = 1.0;
1085 host.power_trace = peer->availability_trace;
1086 host.state_trace = peer->state_trace;
1087 host.core_amount = 1;
1088 sg_platf_new_host(&host);
1090 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
1091 memset(&link, 0, sizeof(link));
1092 link.state = SURF_RESOURCE_ON;
1093 link.policy = SURF_LINK_SHARED;
1094 link.latency = peer->lat;
1096 char* link_up = bprintf("%s_UP",link_id);
1097 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
1098 peer->bw_out, peer->lat);
1100 link.bandwidth = peer->bw_out;
1101 sg_platf_new_link(&link);
1103 char* link_down = bprintf("%s_DOWN",link_id);
1104 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
1105 peer->bw_in, peer->lat);
1106 link.id = link_down;
1107 link.bandwidth = peer->bw_in;
1108 sg_platf_new_link(&link);
1110 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
1111 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
1112 memset(&host_link, 0, sizeof(host_link));
1113 host_link.id = host_id;
1114 host_link.link_up = link_up;
1115 host_link.link_down = link_down;
1116 sg_platf_new_host_link(&host_link);
1118 XBT_DEBUG("<router id=\"%s\"/>", router_id);
1119 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
1120 memset(&router, 0, sizeof(router));
1121 router.id = router_id;
1122 router.coord = peer->coord;
1123 sg_platf_new_router(&router);
1124 static_cast<AsCluster*>(current_routing)->p_router = static_cast<RoutingEdge*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
1127 sg_platf_new_AS_end();
1130 //xbt_dynar_free(&tab_elements_num);
1138 // static void routing_parse_Srandom(void)
1140 // double mean, std, min, max, seed;
1141 // char *random_id = A_surfxml_random_id;
1142 // char *random_radical = A_surfxml_random_radical;
1143 // char *rd_name = NULL;
1145 // mean = surf_parse_get_double(A_surfxml_random_mean);
1146 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
1147 // min = surf_parse_get_double(A_surfxml_random_min);
1148 // max = surf_parse_get_double(A_surfxml_random_max);
1149 // seed = surf_parse_get_double(A_surfxml_random_seed);
1153 // random_data_t random = xbt_new0(s_random_data_t, 1);
1156 // xbt_dynar_t radical_elements;
1157 // unsigned int iter;
1160 // xbt_dynar_t radical_ends;
1162 // switch (A_surfxml_random_generator) {
1163 // case AU_surfxml_random_generator:
1164 // case A_surfxml_random_generator_NONE:
1165 // random->generator = NONE;
1167 // case A_surfxml_random_generator_DRAND48:
1168 // random->generator = DRAND48;
1170 // case A_surfxml_random_generator_RAND:
1171 // random->generator = RAND;
1173 // case A_surfxml_random_generator_RNGSTREAM:
1174 // random->generator = RNGSTREAM;
1177 // surf_parse_error("Invalid random generator");
1180 // random->seed = seed;
1181 // random->min = min;
1182 // random->max = max;
1184 // /* Check user stupidities */
1186 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1188 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1190 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1192 // /* normalize the mean and standard deviation before storing */
1193 // random->mean = (mean - min) / (max - min);
1194 // random->std = std / (max - min);
1196 // if (random->mean * (1 - random->mean) < random->std * random->std)
1197 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1198 // random->mean, random->std);
1201 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1202 // random_id, random->min, random->max, random->mean, random->std,
1203 // (int)random->generator, random->seed, random_radical);
1205 // if (!random_value)
1206 // random_value = xbt_dict_new_homogeneous(free);
1208 // if (!strcmp(random_radical, "")) {
1209 // res = random_generate(random);
1210 // rd_value = bprintf("%f", res);
1211 // xbt_dict_set(random_value, random_id, rd_value, NULL);
1213 // radical_elements = xbt_str_split(random_radical, ",");
1214 // xbt_dynar_foreach(radical_elements, iter, groups) {
1215 // radical_ends = xbt_str_split(groups, "-");
1216 // switch (xbt_dynar_length(radical_ends)) {
1218 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1219 // "Custom Random '%s' already exists !", random_id);
1220 // res = random_generate(random);
1222 // bprintf("%s%d", random_id,
1223 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1224 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1225 // xbt_free(tmpbuf);
1229 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1230 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1231 // for (i = start; i <= end; i++) {
1232 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1233 // "Custom Random '%s' already exists !", bprintf("%s%d",
1236 // res = random_generate(random);
1237 // tmpbuf = bprintf("%s%d", random_id, i);
1238 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1239 // xbt_free(tmpbuf);
1243 // XBT_CRITICAL("Malformed radical");
1246 // res = random_generate(random);
1247 // rd_name = bprintf("%s_router", random_id);
1248 // rd_value = bprintf("%f", res);
1249 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
1251 // xbt_dynar_free(&radical_ends);
1254 // xbt_dynar_free(&radical_elements);
1258 static void check_disk_attachment()
1260 xbt_lib_cursor_t cursor;
1263 RoutingEdge *host_elm;
1264 xbt_lib_foreach(storage_lib, cursor, key, data) {
1265 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
1266 Storage *storage = static_cast<Storage*>(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL));
1267 host_elm = sg_routing_edge_by_name_or_null(storage->p_attach);
1269 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
1274 void routing_register_callbacks()
1276 sg_platf_host_add_cb(parse_S_host);
1277 sg_platf_router_add_cb(parse_S_router);
1278 sg_platf_host_link_add_cb(parse_S_host_link);
1279 sg_platf_route_add_cb(parse_E_route);
1280 sg_platf_ASroute_add_cb(parse_E_ASroute);
1281 sg_platf_bypassRoute_add_cb(parse_E_bypassRoute);
1282 sg_platf_bypassASroute_add_cb(parse_E_bypassASroute);
1284 sg_platf_cluster_add_cb(routing_parse_cluster);
1285 sg_platf_cabinet_add_cb(routing_parse_cabinet);
1287 sg_platf_peer_add_cb(routing_parse_peer);
1288 sg_platf_postparse_add_cb(routing_parse_postparse);
1289 sg_platf_postparse_add_cb(check_disk_attachment);
1291 /* we care about the ASes while parsing the platf. Incredible, isnt it? */
1292 sg_platf_AS_end_add_cb(routing_AS_end);
1293 sg_platf_AS_begin_add_cb(routing_AS_begin);
1295 sg_platf_trace_add_cb(routing_parse_trace);
1296 sg_platf_trace_connect_add_cb(routing_parse_trace_connect);
1298 instr_routing_define_callbacks();
1302 * \brief Recursive function for finalize
1304 * \param rc the source host name
1306 * This fuction is call by "finalize". It allow to finalize the
1307 * AS or routing components. It delete all the structures.
1309 static void finalize_rec(As *as) {
1310 xbt_dict_cursor_t cursor = NULL;
1314 xbt_dict_foreach(as->p_routingSons, cursor, key, elem) {
1321 /** \brief Frees all memory allocated by the routing module */
1322 void routing_exit(void) {
1323 delete routing_platf;
1326 RoutingPlatf::~RoutingPlatf()
1328 xbt_dynar_free(&p_lastRoute);
1329 finalize_rec(p_root);
1332 AS_t surf_AS_get_routing_root() {
1333 return routing_platf->p_root;
1336 const char *surf_AS_get_name(As *as) {
1340 static As *surf_AS_recursive_get_by_name(As *current, const char * name) {
1341 xbt_dict_cursor_t cursor = NULL;
1346 if(!strcmp(current->p_name, name))
1349 xbt_dict_foreach(current->p_routingSons, cursor, key, elem) {
1350 tmp = surf_AS_recursive_get_by_name(elem, name);
1359 As *surf_AS_get_by_name(const char * name) {
1360 As *as = surf_AS_recursive_get_by_name(routing_platf->p_root, name);
1362 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
1366 xbt_dict_t surf_AS_get_routing_sons(As *as) {
1367 return as->p_routingSons;
1370 const char *surf_AS_get_model(As *as) {
1371 return as->p_modelDesc->name;
1374 xbt_dynar_t surf_AS_get_hosts(As *as) {
1375 xbt_dynar_t elms = as->p_indexNetworkElm;
1376 sg_routing_edge_t relm;
1379 int count = xbt_dynar_length(elms);
1380 xbt_dynar_t res = xbt_dynar_new(sizeof(xbt_dictelm_t), NULL);
1381 for (index = 0; index < count; index++) {
1382 relm = xbt_dynar_get_as(elms, index, RoutingEdge*);
1383 delm = xbt_lib_get_elm_or_null(host_lib, relm->getName());
1385 xbt_dynar_push(res, &delm);
1391 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
1392 as->getGraph(graph, nodes, edges);