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"
24 simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
25 simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
31 * @ingroup SURF_build_api
32 * @brief A library containing all known hosts
36 int COORD_HOST_LEVEL=0; //Coordinates level
38 int MSG_FILE_LEVEL; //Msg file level
40 int SIMIX_STORAGE_LEVEL; //Simix storage level
41 int MSG_STORAGE_LEVEL; //Msg storage level
43 xbt_lib_t as_router_lib;
44 int ROUTING_ASR_LEVEL; //Routing level
45 int COORD_ASR_LEVEL; //Coordinates level
46 int NS3_ASR_LEVEL; //host node for ns3
47 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
49 /** @brief Retrieve a netcard from its name
51 * Netcards are the thing that connect host or routers to the network
53 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
55 sg_host_t h = sg_host_by_name(name);
56 simgrid::surf::NetCard *net_elm = h==NULL?NULL: h->pimpl_netcard;
58 net_elm = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
63 simgrid::surf::RoutingPlatf *routing_platf = NULL;
65 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
67 /** The current AS in the parsing */
68 static simgrid::surf::As *current_routing = NULL;
69 simgrid::surf::As* routing_get_current()
71 return current_routing;
74 /* this lines are only for replace use like index in the model table */
79 SURF_MODEL_DIJKSTRACACHE,
83 SURF_MODEL_TORUS_CLUSTER,
84 SURF_MODEL_FAT_TREE_CLUSTER,
87 struct s_model_type routing_models[] = {
89 "Full routing data (fast, large memory requirements, fully expressive)",
90 model_full_create, model_full_end},
92 "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
93 model_floyd_create, model_floyd_end},
95 "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
96 model_dijkstra_create, model_dijkstra_both_end},
98 "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
99 model_dijkstracache_create, model_dijkstra_both_end},
100 {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
101 model_none_create, NULL},
102 {"Vivaldi", "Vivaldi routing",
103 model_vivaldi_create, NULL},
104 {"Cluster", "Cluster routing",
105 model_cluster_create, NULL},
106 {"Torus_Cluster", "Torus Cluster routing",
107 model_torus_cluster_create, NULL},
108 {"Fat_Tree_Cluster", "Fat Tree Cluster routing",
109 model_fat_tree_cluster_create, NULL},
110 {NULL, NULL, NULL, NULL}
114 * \brief Add a netcard connecting an host to the network element list
115 * FIXME: integrate into host constructor
117 void sg_platf_new_netcard(sg_platf_host_link_cbarg_t netcard)
119 simgrid::surf::NetCard *info = sg_host_by_name(netcard->id)->pimpl_netcard;
120 xbt_assert(info, "Host '%s' not found!", netcard->id);
121 xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER] ||
122 current_routing->p_modelDesc == &routing_models[SURF_MODEL_VIVALDI],
123 "You have to be in model Cluster to use tag host_link!");
125 s_surf_parsing_link_up_down_t link_up_down;
126 link_up_down.link_up = Link::byName(netcard->link_up);
127 link_up_down.link_down = Link::byName(netcard->link_down);
129 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard->link_up);
130 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard->link_down);
132 if(!current_routing->p_linkUpDownList)
133 current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
135 // If dynar is is greater than netcard id and if the host_link is already defined
136 if((int)xbt_dynar_length(current_routing->p_linkUpDownList) > info->getId() &&
137 xbt_dynar_get_as(current_routing->p_linkUpDownList, info->getId(), void*))
138 surf_parse_error("Host_link for '%s' is already defined!",netcard->id);
140 XBT_DEBUG("Push Host_link for host '%s' to position %d", info->getName(), info->getId());
141 xbt_dynar_set_as(current_routing->p_linkUpDownList, info->getId(), s_surf_parsing_link_up_down_t, link_up_down);
144 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
146 tmgr_trace_t tmgr_trace;
147 if (!trace->file || strcmp(trace->file, "") != 0) {
148 tmgr_trace = tmgr_trace_new_from_file(trace->file);
150 xbt_assert(strcmp(trace->pc_data, ""),
151 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
152 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
154 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
158 * \brief Make a new routing component to the platform
160 * Add a new autonomous system to the platform. Any elements (such as host,
161 * router or sub-AS) added after this call and before the corresponding call
162 * to sg_platf_new_AS_close() will be added to this AS.
164 * Once this function was called, the configuration concerning the used
165 * models cannot be changed anymore.
167 * @param AS_id name of this autonomous system. Must be unique in the platform
168 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
170 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
172 XBT_DEBUG("routing_AS_begin");
173 routing_model_description_t model = NULL;
175 xbt_assert(!xbt_lib_get_or_null
176 (as_router_lib, AS->id, ROUTING_ASR_LEVEL),
177 "The AS \"%s\" already exists", AS->id);
179 _sg_cfg_init_status = 2; /* horrible hack: direct access to the global
180 * controlling the level of configuration to prevent
181 * any further config */
183 /* search the routing model */
185 case A_surfxml_AS_routing_Cluster: model = &routing_models[SURF_MODEL_CLUSTER];break;
186 case A_surfxml_AS_routing_Cluster___torus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break;
187 case A_surfxml_AS_routing_Cluster___fat___tree: model = &routing_models[SURF_MODEL_FAT_TREE_CLUSTER];break;
188 case A_surfxml_AS_routing_Dijkstra: model = &routing_models[SURF_MODEL_DIJKSTRA];break;
189 case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
190 case A_surfxml_AS_routing_Floyd: model = &routing_models[SURF_MODEL_FLOYD];break;
191 case A_surfxml_AS_routing_Full: model = &routing_models[SURF_MODEL_FULL];break;
192 case A_surfxml_AS_routing_None: model = &routing_models[SURF_MODEL_NONE];break;
193 case A_surfxml_AS_routing_Vivaldi: model = &routing_models[SURF_MODEL_VIVALDI];break;
194 default: xbt_die("Not a valid model!!!");
198 /* make a new routing component */
199 simgrid::surf::As *new_as = model->create();
201 new_as->p_modelDesc = model;
202 new_as->p_hierarchy = SURF_ROUTING_NULL;
203 new_as->p_name = xbt_strdup(AS->id);
205 simgrid::surf::NetCard *info =
206 new simgrid::surf::NetCardImpl(xbt_strdup(new_as->p_name),
208 SURF_NETWORK_ELEMENT_AS,
210 if (current_routing == NULL && routing_platf->p_root == NULL) {
212 /* it is the first one */
213 new_as->p_routingFather = NULL;
214 routing_platf->p_root = new_as;
216 } else if (current_routing != NULL && routing_platf->p_root != NULL) {
218 xbt_assert(!xbt_dict_get_or_null
219 (current_routing->p_routingSons, AS->id),
220 "The AS \"%s\" already exists", AS->id);
221 /* it is a part of the tree */
222 new_as->p_routingFather = current_routing;
223 /* set the father behavior */
224 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
225 current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
226 /* add to the sons dictionary */
227 xbt_dict_set(current_routing->p_routingSons, AS->id,
228 (void *) new_as, NULL);
229 /* add to the father element list */
230 info->setId(current_routing->parseAS(info));
232 THROWF(arg_error, 0, "All defined components must belong to a AS");
235 xbt_lib_set(as_router_lib, info->getName(), ROUTING_ASR_LEVEL,
237 XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, info->getId());
239 /* set the new current component of the tree */
240 current_routing = new_as;
241 current_routing->p_netcard = info;
243 simgrid::surf::netcardCreatedCallbacks(info);
244 simgrid::surf::asCreatedCallbacks(new_as);
248 * \brief Specify that the current description of AS is finished
250 * Once you've declared all the content of your AS, you have to close
251 * it with this call. Your AS is not usable until you call this function.
253 * @fixme: this call is not as robust as wanted: bad things WILL happen
254 * if you call it twice for the same AS, or if you forget calling it, or
255 * even if you add stuff to a closed AS
258 void routing_AS_end()
261 if (current_routing == NULL) {
262 THROWF(arg_error, 0, "Close an AS, but none was under construction");
264 if (current_routing->p_modelDesc->end)
265 current_routing->p_modelDesc->end(current_routing);
266 current_routing = current_routing->p_routingFather;
270 /* Aux Business methods */
273 * \brief Get the AS father and the first elements of the chain
275 * \param src the source host name
276 * \param dst the destination host name
278 * Get the common father of the to processing units, and the first different
279 * father in the chain
281 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
286 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
287 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
288 simgrid::surf::As *src_as, *dst_as;
289 simgrid::surf::As *path_src[ELEMENTS_FATHER_MAXDEPTH];
290 simgrid::surf::As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
293 simgrid::surf::As *current;
294 simgrid::surf::As *current_src;
295 simgrid::surf::As *current_dst;
296 simgrid::surf::As *father;
298 /* (1) find the as where the src and dst are located */
299 sg_netcard_t src_data = src;
300 sg_netcard_t dst_data = dst;
301 src_as = src_data->getRcComponent();
302 dst_as = dst_data->getRcComponent();
304 char* src_name = src_data->getName();
305 char* dst_name = dst_data->getName();
308 xbt_assert(src_as && dst_as,
309 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
311 /* (2) find the path to the root routing component */
312 for (current = src_as; current != NULL; current = current->p_routingFather) {
313 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
314 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
315 path_src[index_src++] = current;
317 for (current = dst_as; current != NULL; current = current->p_routingFather) {
318 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
319 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
320 path_dst[index_dst++] = current;
323 /* (3) find the common father */
325 current_src = path_src[--index_src];
326 current_dst = path_dst[--index_dst];
327 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
329 /* (4) they are not in the same routing component, make the path */
330 if (current_src == current_dst)
331 father = current_src;
333 father = path_src[index_src + 1];
335 /* (5) result generation */
336 *res_father = father; /* first the common father of src and dst */
337 *res_src = current_src; /* second the first different father of src */
338 *res_dst = current_dst; /* three the first different father of dst */
340 #undef ELEMENTS_FATHER_MAXDEPTH
343 /* Global Business methods */
346 * \brief Recursive function for get_route_latency
348 * \param src the source host name
349 * \param dst the destination host name
350 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
351 * \param *latency the latency, if needed
353 * This function is called by "get_route" and "get_latency". It allows to walk
354 * recursively through the ASes tree.
356 static void _get_route_and_latency(
357 simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
358 xbt_dynar_t * links, double *latency)
360 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
361 memset(&route,0,sizeof(route));
363 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
364 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->getName(), dst->getName());
366 /* Find how src and dst are interconnected */
367 simgrid::surf::As *common_father, *src_father, *dst_father;
368 elements_father(src, dst, &common_father, &src_father, &dst_father);
369 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
370 common_father->p_name, src_father->p_name, dst_father->p_name);
372 /* Check whether a direct bypass is defined */
373 sg_platf_route_cbarg_t e_route_bypass = NULL;
374 //FIXME:REMOVE:if (common_father->get_bypass_route)
376 e_route_bypass = common_father->getBypassRoute(src, dst, latency);
378 /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
379 if (e_route_bypass) {
380 xbt_dynar_merge(links, &e_route_bypass->link_list);
381 routing_route_free(e_route_bypass);
385 /* If src and dst are in the same AS, life is good */
386 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
387 route.link_list = *links;
388 common_father->getRouteAndLatency(src, dst, &route, latency);
389 // if vivaldi latency+=vivaldi(src,dst)
393 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
395 route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
396 // Find the net_card corresponding to father
397 simgrid::surf::NetCard *src_father_netcard = src_father->p_netcard;
398 simgrid::surf::NetCard *dst_father_netcard = dst_father->p_netcard;
400 common_father->getRouteAndLatency(src_father_netcard, dst_father_netcard,
403 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
404 "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
406 sg_netcard_t src_gateway_net_elm = route.gw_src;
407 sg_netcard_t dst_gateway_net_elm = route.gw_dst;
409 /* If source gateway is not our source, we have to recursively find our way up to this point */
410 if (src != src_gateway_net_elm)
411 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
412 xbt_dynar_merge(links, &route.link_list);
414 /* If dest gateway is not our destination, we have to recursively find our way from this point */
415 if (dst_gateway_net_elm != dst)
416 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
420 AS_t surf_platf_get_root(routing_platf_t platf){
421 return platf->p_root;
424 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
425 return netcard->getRcType();
432 * \brief Find a route between hosts
434 * \param src the network_element_t for src host
435 * \param dst the network_element_t for dst host
436 * \param route where to store the list of links.
437 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
438 * \param latency where to store the latency experienced on the path (or NULL if not interested)
439 * It is the caller responsability to initialize latency to 0 (we add to provided route)
442 * walk through the routing components tree and find a route between hosts
443 * by calling each "get_route" function in each routing component.
445 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
447 XBT_DEBUG("getRouteAndLatency from %s to %s", src->getName(), dst->getName());
448 if (NULL == *route) {
449 xbt_dynar_reset(routing_platf->p_lastRoute);
450 *route = routing_platf->p_lastRoute;
453 _get_route_and_latency(src, dst, route, latency);
455 xbt_assert(!latency || *latency >= 0.0,
456 "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
459 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
460 return recursiveGetOneLinkRoutes(p_root);
463 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc)
465 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
467 //adding my one link routes
468 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
470 xbt_dynar_merge(&ret,&onelink_mine);
474 xbt_dict_cursor_t cursor = NULL;
476 xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
477 xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
479 xbt_dynar_merge(&ret,&onelink_child);
487 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
489 simgrid::surf::NetCard *rc = sg_netcard_by_name_or_null(name);
491 return rc->getRcType();
493 return SURF_NETWORK_ELEMENT_NULL;
496 /** @brief create the root AS */
497 void routing_model_create( void *loopback)
499 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
502 /* ************************************************************************** */
503 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
505 void routing_cluster_add_backbone(void* bb) {
506 xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER],
507 "You have to be in model Cluster to use tag backbone!");
508 xbt_assert(!static_cast<simgrid::surf::AsCluster*>(current_routing)->p_backbone, "The backbone link is already defined!");
509 static_cast<simgrid::surf::AsCluster*>(current_routing)->p_backbone =
510 static_cast<simgrid::surf::Link*>(bb);
511 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
514 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
517 char *groups , *host_id , *link_id = NULL;
519 xbt_dynar_t radical_elements;
520 xbt_dynar_t radical_ends;
523 radical_elements = xbt_str_split(cabinet->radical, ",");
524 xbt_dynar_foreach(radical_elements, iter, groups) {
526 radical_ends = xbt_str_split(groups, "-");
527 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
529 switch (xbt_dynar_length(radical_ends)) {
534 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
537 surf_parse_error("Malformed radical");
540 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
541 memset(&host, 0, sizeof(host));
542 host.initiallyOn = 1;
544 host.speed_scale = 1.0;
545 host.core_amount = 1;
547 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
548 memset(&link, 0, sizeof(link));
549 link.initiallyOn = 1;
550 link.policy = SURF_LINK_FULLDUPLEX;
551 link.latency = cabinet->lat;
552 link.bandwidth = cabinet->bw;
554 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
555 memset(&host_link, 0, sizeof(host_link));
557 for (i = start; i <= end; i++) {
558 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
559 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
562 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
563 xbt_dynar_push(host.speed_peak,&cabinet->speed);
564 sg_platf_new_host(&host);
565 xbt_dynar_free(&host.speed_peak);
566 sg_platf_new_link(&link);
568 char* link_up = bprintf("%s_UP",link_id);
569 char* link_down = bprintf("%s_DOWN",link_id);
570 host_link.id = host_id;
571 host_link.link_up = link_up;
572 host_link.link_down = link_down;
573 sg_platf_new_netcard(&host_link);
581 xbt_dynar_free(&radical_ends);
583 xbt_dynar_free(&radical_elements);
586 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
588 using simgrid::surf::NetCard;
589 using simgrid::surf::AsCluster;
591 char *host_id = NULL;
592 char *link_id = NULL;
593 char *router_id = NULL;
596 host_id = HOST_PEER(peer->id);
597 link_id = LINK_PEER(peer->id);
598 router_id = ROUTER_PEER(peer->id);
600 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
601 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
603 AS.routing = A_surfxml_AS_routing_Cluster;
604 sg_platf_new_AS_begin(&AS);
606 current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
608 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
609 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
610 memset(&host, 0, sizeof(host));
611 host.initiallyOn = 1;
614 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
615 xbt_dynar_push(host.speed_peak,&peer->speed);
617 //host.power_peak = peer->power;
618 host.speed_scale = 1.0;
619 host.speed_trace = peer->availability_trace;
620 host.state_trace = peer->state_trace;
621 host.core_amount = 1;
622 sg_platf_new_host(&host);
623 xbt_dynar_free(&host.speed_peak);
625 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
626 memset(&link, 0, sizeof(link));
627 link.initiallyOn = 1;
628 link.policy = SURF_LINK_SHARED;
629 link.latency = peer->lat;
631 char* link_up = bprintf("%s_UP",link_id);
632 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
633 peer->bw_out, peer->lat);
635 link.bandwidth = peer->bw_out;
636 sg_platf_new_link(&link);
638 char* link_down = bprintf("%s_DOWN",link_id);
639 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
640 peer->bw_in, peer->lat);
642 link.bandwidth = peer->bw_in;
643 sg_platf_new_link(&link);
645 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
646 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
647 memset(&host_link, 0, sizeof(host_link));
648 host_link.id = host_id;
649 host_link.link_up = link_up;
650 host_link.link_down = link_down;
651 sg_platf_new_netcard(&host_link);
653 XBT_DEBUG("<router id=\"%s\"/>", router_id);
654 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
655 memset(&router, 0, sizeof(router));
656 router.id = router_id;
657 router.coord = peer->coord;
658 sg_platf_new_router(&router);
659 static_cast<AsCluster*>(current_routing)->p_router = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
662 sg_platf_new_AS_end();
665 //xbt_dynar_free(&tab_elements_num);
673 // static void routing_parse_Srandom(void)
675 // double mean, std, min, max, seed;
676 // char *random_id = A_surfxml_random_id;
677 // char *random_radical = A_surfxml_random_radical;
678 // char *rd_name = NULL;
680 // mean = surf_parse_get_double(A_surfxml_random_mean);
681 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
682 // min = surf_parse_get_double(A_surfxml_random_min);
683 // max = surf_parse_get_double(A_surfxml_random_max);
684 // seed = surf_parse_get_double(A_surfxml_random_seed);
688 // random_data_t random = xbt_new0(s_random_data_t, 1);
691 // xbt_dynar_t radical_elements;
692 // unsigned int iter;
695 // xbt_dynar_t radical_ends;
697 // switch (A_surfxml_random_generator) {
698 // case AU_surfxml_random_generator:
699 // case A_surfxml_random_generator_NONE:
700 // random->generator = NONE;
702 // case A_surfxml_random_generator_DRAND48:
703 // random->generator = DRAND48;
705 // case A_surfxml_random_generator_RAND:
706 // random->generator = RAND;
708 // case A_surfxml_random_generator_RNGSTREAM:
709 // random->generator = RNGSTREAM;
712 // surf_parse_error("Invalid random generator");
715 // random->seed = seed;
716 // random->min = min;
717 // random->max = max;
719 // /* Check user stupidities */
721 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
723 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
725 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
727 // /* normalize the mean and standard deviation before storing */
728 // random->mean = (mean - min) / (max - min);
729 // random->std = std / (max - min);
731 // if (random->mean * (1 - random->mean) < random->std * random->std)
732 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
733 // random->mean, random->std);
736 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
737 // random_id, random->min, random->max, random->mean, random->std,
738 // (int)random->generator, random->seed, random_radical);
740 // if (!random_value)
741 // random_value = xbt_dict_new_homogeneous(free);
743 // if (!strcmp(random_radical, "")) {
744 // res = random_generate(random);
745 // rd_value = bprintf("%f", res);
746 // xbt_dict_set(random_value, random_id, rd_value, NULL);
748 // radical_elements = xbt_str_split(random_radical, ",");
749 // xbt_dynar_foreach(radical_elements, iter, groups) {
750 // radical_ends = xbt_str_split(groups, "-");
751 // switch (xbt_dynar_length(radical_ends)) {
753 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
754 // "Custom Random '%s' already exists !", random_id);
755 // res = random_generate(random);
757 // bprintf("%s%d", random_id,
758 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
759 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
764 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
765 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
766 // for (i = start; i <= end; i++) {
767 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
768 // "Custom Random '%s' already exists !", bprintf("%s%d",
771 // res = random_generate(random);
772 // tmpbuf = bprintf("%s%d", random_id, i);
773 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
778 // XBT_CRITICAL("Malformed radical");
781 // res = random_generate(random);
782 // rd_name = bprintf("%s_router", random_id);
783 // rd_value = bprintf("%f", res);
784 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
786 // xbt_dynar_free(&radical_ends);
789 // xbt_dynar_free(&radical_elements);
793 static void check_disk_attachment()
795 xbt_lib_cursor_t cursor;
798 simgrid::surf::NetCard *host_elm;
799 xbt_lib_foreach(storage_lib, cursor, key, data) {
800 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
801 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));
802 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
804 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
809 void routing_register_callbacks()
811 simgrid::surf::on_postparse.connect(check_disk_attachment);
813 instr_routing_define_callbacks();
817 * \brief Recursive function for finalize
819 * \param rc the source host name
821 * This fuction is call by "finalize". It allow to finalize the
822 * AS or routing components. It delete all the structures.
824 static void finalize_rec(simgrid::surf::As *as) {
825 xbt_dict_cursor_t cursor = NULL;
829 xbt_dict_foreach(as->p_routingSons, cursor, key, elem) {
836 /** \brief Frees all memory allocated by the routing module */
837 void routing_exit(void) {
838 delete routing_platf;
844 RoutingPlatf::RoutingPlatf(void *loopback)
845 : p_loopback(loopback)
848 RoutingPlatf::~RoutingPlatf()
850 xbt_dynar_free(&p_lastRoute);
851 finalize_rec(p_root);
857 AS_t surf_AS_get_routing_root() {
858 return routing_platf->p_root;
861 const char *surf_AS_get_name(simgrid::surf::As *as) {
865 static simgrid::surf::As *surf_AS_recursive_get_by_name(
866 simgrid::surf::As *current, const char * name)
868 xbt_dict_cursor_t cursor = NULL;
871 simgrid::surf::As *tmp = NULL;
873 if(!strcmp(current->p_name, name))
876 xbt_dict_foreach(current->p_routingSons, cursor, key, elem) {
877 tmp = surf_AS_recursive_get_by_name(elem, name);
885 simgrid::surf::As *surf_AS_get_by_name(const char * name)
887 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->p_root, name);
889 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
893 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
895 return as->p_routingSons;
898 const char *surf_AS_get_model(simgrid::surf::As *as)
900 return as->p_modelDesc->name;
903 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
905 xbt_dynar_t elms = as->p_indexNetworkElm;
906 int count = xbt_dynar_length(elms);
907 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
908 for (int index = 0; index < count; index++) {
910 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
911 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->getName());
913 xbt_dynar_push(res, &delm);
919 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
920 as->getGraph(graph, nodes, edges);