1 /* Copyright (c) 2009-2011, 2013-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "surf_routing.hpp"
8 #include "surf_routing_private.hpp"
9 #include "surf_routing_cluster.hpp"
11 #include "simgrid/platf_interface.h" // platform creation API internal interface
12 #include "simgrid/sg_config.h"
13 #include "storage_interface.hpp"
14 #include "src/surf/platform.hpp"
15 #include "surf/surfxml_parse_values.h"
17 #include "src/surf/surf_routing_cluster_torus.hpp"
18 #include "src/surf/surf_routing_cluster_fat_tree.hpp"
19 #include "src/surf/surf_routing_dijkstra.hpp"
20 #include "src/surf/surf_routing_floyd.hpp"
21 #include "src/surf/surf_routing_full.hpp"
22 #include "src/surf/surf_routing_vivaldi.hpp"
24 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
30 simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
31 simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
33 As::As(const char*name)
34 : name_(xbt_strdup(name))
38 xbt_dict_free(&sons_);
39 xbt_dynar_free(&vertices_);
40 xbt_dynar_free(&upDownLinks);
46 sg_platf_route_cbarg_t As::getBypassRoute(NetCard * /*src*/, NetCard * /*dst*/, double * /*lat*/) {
51 int As::addComponent(NetCard *elm) {
52 XBT_DEBUG("Load component \"%s\"", elm->name());
53 xbt_dynar_push_as(vertices_, NetCard*, elm);
54 return xbt_dynar_length(vertices_)-1;
57 void As::parseRoute(sg_platf_route_cbarg_t /*route*/){
58 THROW_IMPOSSIBLE; /* No. */
60 void As::parseBypassroute(sg_platf_route_cbarg_t /*e_route*/){
64 }} // namespace simgrid::surf
67 * @ingroup SURF_build_api
68 * @brief A library containing all known hosts
72 int COORD_HOST_LEVEL=0; //Coordinates level
74 int MSG_FILE_LEVEL; //Msg file level
76 int SIMIX_STORAGE_LEVEL; //Simix storage level
77 int MSG_STORAGE_LEVEL; //Msg storage level
79 xbt_lib_t as_router_lib;
80 int ROUTING_ASR_LEVEL; //Routing level
81 int COORD_ASR_LEVEL; //Coordinates level
82 int NS3_ASR_LEVEL; //host node for ns3
83 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
85 /** @brief Retrieve a netcard from its name
87 * Netcards are the thing that connect host or routers to the network
89 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
91 sg_host_t h = sg_host_by_name(name);
92 simgrid::surf::NetCard *net_elm = h==NULL?NULL: h->pimpl_netcard;
94 net_elm = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
99 simgrid::surf::RoutingPlatf *routing_platf = NULL;
102 /** The current AS in the parsing */
103 static simgrid::surf::As *current_routing = NULL;
104 simgrid::surf::As* routing_get_current()
106 return current_routing;
109 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
110 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
112 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
113 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
114 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
115 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
116 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
118 s_surf_parsing_link_up_down_t link_up_down;
119 link_up_down.link_up = Link::byName(netcard_arg->link_up);
120 link_up_down.link_down = Link::byName(netcard_arg->link_down);
122 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
123 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
125 // If dynar is is greater than netcard id and if the host_link is already defined
126 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
127 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
128 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
130 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
131 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
134 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
136 tmgr_trace_t tmgr_trace;
137 if (!trace->file || strcmp(trace->file, "") != 0) {
138 tmgr_trace = tmgr_trace_new_from_file(trace->file);
140 xbt_assert(strcmp(trace->pc_data, ""),
141 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
142 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
144 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
148 * \brief Make a new routing component to the platform
150 * Add a new autonomous system to the platform. Any elements (such as host,
151 * router or sub-AS) added after this call and before the corresponding call
152 * to sg_platf_new_AS_close() will be added to this AS.
154 * Once this function was called, the configuration concerning the used
155 * models cannot be changed anymore.
157 * @param AS_id name of this autonomous system. Must be unique in the platform
158 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
160 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
162 XBT_DEBUG("routing_AS_begin");
164 xbt_assert(NULL == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
165 "Refusing to create a second AS called \"%s\".", AS->id);
167 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
168 * any further config now that we created some real content */
171 /* search the routing model */
172 simgrid::surf::As *new_as = NULL;
174 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
175 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
176 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
177 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
178 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
179 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
180 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
181 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
182 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
183 default: xbt_die("Not a valid model!"); break;
186 /* make a new routing component */
187 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
189 if (current_routing == NULL && routing_platf->root_ == NULL) {
190 /* it is the first one */
191 new_as->father_ = NULL;
192 routing_platf->root_ = new_as;
194 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
196 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
197 "The AS \"%s\" already exists", AS->id);
198 /* it is a part of the tree */
199 new_as->father_ = current_routing;
200 /* set the father behavior */
201 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
202 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
203 /* add to the sons dictionary */
204 xbt_dict_set(current_routing->sons_, AS->id,
205 (void *) new_as, NULL);
206 /* add to the father element list */
207 netcard->setId(current_routing->addComponent(netcard));
209 THROWF(arg_error, 0, "All defined components must belong to a AS");
212 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL,
214 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
216 /* set the new current component of the tree */
217 current_routing = new_as;
218 current_routing->netcard_ = netcard;
220 simgrid::surf::netcardCreatedCallbacks(netcard);
221 simgrid::surf::asCreatedCallbacks(new_as);
225 * \brief Specify that the current description of AS is finished
227 * Once you've declared all the content of your AS, you have to close
228 * it with this call. Your AS is not usable until you call this function.
230 * @fixme: this call is not as robust as wanted: bad things WILL happen
231 * if you call it twice for the same AS, or if you forget calling it, or
232 * even if you add stuff to a closed AS
235 void routing_AS_end()
237 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
238 current_routing->Seal();
239 current_routing = current_routing->father_;
242 /* Aux Business methods */
245 * \brief Get the AS father and the first elements of the chain
247 * \param src the source host name
248 * \param dst the destination host name
250 * Get the common father of the to processing units, and the first different
251 * father in the chain
253 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
258 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
259 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
260 simgrid::surf::As *src_as, *dst_as;
261 simgrid::surf::As *path_src[ELEMENTS_FATHER_MAXDEPTH];
262 simgrid::surf::As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
265 simgrid::surf::As *current;
266 simgrid::surf::As *current_src;
267 simgrid::surf::As *current_dst;
268 simgrid::surf::As *father;
270 /* (1) find the as where the src and dst are located */
271 sg_netcard_t src_data = src;
272 sg_netcard_t dst_data = dst;
273 src_as = src_data->containingAS();
274 dst_as = dst_data->containingAS();
276 char* src_name = src_data->name();
277 char* dst_name = dst_data->name();
280 xbt_assert(src_as && dst_as,
281 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
283 /* (2) find the path to the root routing component */
284 for (current = src_as; current != NULL; current = current->father_) {
285 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
286 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
287 path_src[index_src++] = current;
289 for (current = dst_as; current != NULL; current = current->father_) {
290 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
291 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
292 path_dst[index_dst++] = current;
295 /* (3) find the common father */
297 current_src = path_src[--index_src];
298 current_dst = path_dst[--index_dst];
299 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
301 /* (4) they are not in the same routing component, make the path */
302 if (current_src == current_dst)
303 father = current_src;
305 father = path_src[index_src + 1];
307 /* (5) result generation */
308 *res_father = father; /* first the common father of src and dst */
309 *res_src = current_src; /* second the first different father of src */
310 *res_dst = current_dst; /* three the first different father of dst */
312 #undef ELEMENTS_FATHER_MAXDEPTH
316 * \brief Recursive function for get_route_and_latency
318 * \param src the source host name
319 * \param dst the destination host name
320 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
321 * \param *latency the latency, if needed
323 * This function is called by "get_route" and "get_latency". It allows to walk recursively through the ASes tree.
325 static void _get_route_and_latency(
326 simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
327 xbt_dynar_t * links, double *latency)
329 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
330 memset(&route,0,sizeof(route));
332 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
333 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
335 /* Find how src and dst are interconnected */
336 simgrid::surf::As *common_father, *src_father, *dst_father;
337 elements_father(src, dst, &common_father, &src_father, &dst_father);
338 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
339 common_father->name_, src_father->name_, dst_father->name_);
341 /* Check whether a direct bypass is defined. If so, use it and bail out */
342 sg_platf_route_cbarg_t bypassed_route = common_father->getBypassRoute(src, dst, latency);
343 if (bypassed_route) {
344 xbt_dynar_merge(links, &bypassed_route->link_list);
345 routing_route_free(bypassed_route);
349 /* If src and dst are in the same AS, life is good */
350 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
351 route.link_list = *links;
352 common_father->getRouteAndLatency(src, dst, &route, latency);
356 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
358 route.link_list = xbt_dynar_new(sizeof(Link*), NULL);
359 // Find the net_card corresponding to father
360 simgrid::surf::NetCard *src_father_netcard = src_father->netcard_;
361 simgrid::surf::NetCard *dst_father_netcard = dst_father->netcard_;
363 common_father->getRouteAndLatency(src_father_netcard, dst_father_netcard,
366 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
367 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
369 sg_netcard_t src_gateway_net_elm = route.gw_src;
370 sg_netcard_t dst_gateway_net_elm = route.gw_dst;
372 /* If source gateway is not our source, we have to recursively find our way up to this point */
373 if (src != src_gateway_net_elm)
374 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
375 xbt_dynar_merge(links, &route.link_list);
377 /* If dest gateway is not our destination, we have to recursively find our way from this point */
378 if (dst_gateway_net_elm != dst)
379 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
383 AS_t surf_platf_get_root(routing_platf_t platf){
387 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
388 return netcard->getRcType();
395 * \brief Find a route between hosts
397 * \param src the network_element_t for src host
398 * \param dst the network_element_t for dst host
399 * \param route where to store the list of links.
400 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
401 * \param latency where to store the latency experienced on the path (or NULL if not interested)
402 * It is the caller responsability to initialize latency to 0 (we add to provided route)
405 * walk through the routing components tree and find a route between hosts
406 * by calling each "get_route" function in each routing component.
408 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
410 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
411 if (NULL == *route) {
412 xbt_dynar_reset(routing_platf->lastRoute_);
413 *route = routing_platf->lastRoute_;
416 _get_route_and_latency(src, dst, route, latency);
419 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
421 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
423 //adding my one link routes
424 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
426 xbt_dynar_merge(&ret,&onelink_mine);
430 xbt_dict_cursor_t cursor = NULL;
432 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
433 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
435 xbt_dynar_merge(&ret,&onelink_child);
440 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
441 return _recursiveGetOneLinkRoutes(root_);
447 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
449 simgrid::surf::NetCard *rc = sg_netcard_by_name_or_null(name);
451 return rc->getRcType();
453 return SURF_NETWORK_ELEMENT_NULL;
456 /** @brief create the root AS */
457 void routing_model_create( void *loopback)
459 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
462 /* ************************************************************************** */
463 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
465 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
466 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
468 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
469 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
471 cluster->backbone_ = bb;
472 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
475 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
478 char *groups , *host_id , *link_id = NULL;
480 xbt_dynar_t radical_elements;
481 xbt_dynar_t radical_ends;
484 radical_elements = xbt_str_split(cabinet->radical, ",");
485 xbt_dynar_foreach(radical_elements, iter, groups) {
487 radical_ends = xbt_str_split(groups, "-");
488 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
490 switch (xbt_dynar_length(radical_ends)) {
495 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
498 surf_parse_error("Malformed radical");
501 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
502 memset(&host, 0, sizeof(host));
503 host.initiallyOn = 1;
505 host.speed_scale = 1.0;
506 host.core_amount = 1;
508 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
509 memset(&link, 0, sizeof(link));
510 link.initiallyOn = 1;
511 link.policy = SURF_LINK_FULLDUPLEX;
512 link.latency = cabinet->lat;
513 link.bandwidth = cabinet->bw;
515 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
516 memset(&host_link, 0, sizeof(host_link));
518 for (i = start; i <= end; i++) {
519 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
520 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
523 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
524 xbt_dynar_push(host.speed_peak,&cabinet->speed);
525 sg_platf_new_host(&host);
526 xbt_dynar_free(&host.speed_peak);
527 sg_platf_new_link(&link);
529 char* link_up = bprintf("%s_UP",link_id);
530 char* link_down = bprintf("%s_DOWN",link_id);
531 host_link.id = host_id;
532 host_link.link_up = link_up;
533 host_link.link_down = link_down;
534 sg_platf_new_hostlink(&host_link);
542 xbt_dynar_free(&radical_ends);
544 xbt_dynar_free(&radical_elements);
547 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
549 using simgrid::surf::NetCard;
550 using simgrid::surf::AsCluster;
552 char *host_id = NULL;
553 char *link_id = NULL;
554 char *router_id = NULL;
557 host_id = HOST_PEER(peer->id);
558 link_id = LINK_PEER(peer->id);
559 router_id = ROUTER_PEER(peer->id);
561 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
562 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
564 AS.routing = A_surfxml_AS_routing_Cluster;
565 sg_platf_new_AS_begin(&AS);
567 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
568 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
569 memset(&host, 0, sizeof(host));
570 host.initiallyOn = 1;
573 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
574 xbt_dynar_push(host.speed_peak,&peer->speed);
576 //host.power_peak = peer->power;
577 host.speed_scale = 1.0;
578 host.speed_trace = peer->availability_trace;
579 host.state_trace = peer->state_trace;
580 host.core_amount = 1;
581 sg_platf_new_host(&host);
582 xbt_dynar_free(&host.speed_peak);
584 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
585 memset(&link, 0, sizeof(link));
586 link.initiallyOn = 1;
587 link.policy = SURF_LINK_SHARED;
588 link.latency = peer->lat;
590 char* link_up = bprintf("%s_UP",link_id);
591 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
592 peer->bw_out, peer->lat);
594 link.bandwidth = peer->bw_out;
595 sg_platf_new_link(&link);
597 char* link_down = bprintf("%s_DOWN",link_id);
598 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
599 peer->bw_in, peer->lat);
601 link.bandwidth = peer->bw_in;
602 sg_platf_new_link(&link);
604 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
605 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
606 memset(&host_link, 0, sizeof(host_link));
607 host_link.id = host_id;
608 host_link.link_up = link_up;
609 host_link.link_down = link_down;
610 sg_platf_new_hostlink(&host_link);
612 XBT_DEBUG("<router id=\"%s\"/>", router_id);
613 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
614 memset(&router, 0, sizeof(router));
615 router.id = router_id;
616 router.coord = peer->coord;
617 sg_platf_new_router(&router);
618 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
621 sg_platf_new_AS_end();
624 //xbt_dynar_free(&tab_elements_num);
632 // static void routing_parse_Srandom(void)
634 // double mean, std, min, max, seed;
635 // char *random_id = A_surfxml_random_id;
636 // char *random_radical = A_surfxml_random_radical;
637 // char *rd_name = NULL;
639 // mean = surf_parse_get_double(A_surfxml_random_mean);
640 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
641 // min = surf_parse_get_double(A_surfxml_random_min);
642 // max = surf_parse_get_double(A_surfxml_random_max);
643 // seed = surf_parse_get_double(A_surfxml_random_seed);
647 // random_data_t random = xbt_new0(s_random_data_t, 1);
650 // xbt_dynar_t radical_elements;
651 // unsigned int iter;
654 // xbt_dynar_t radical_ends;
656 // switch (A_surfxml_random_generator) {
657 // case AU_surfxml_random_generator:
658 // case A_surfxml_random_generator_NONE:
659 // random->generator = NONE;
661 // case A_surfxml_random_generator_DRAND48:
662 // random->generator = DRAND48;
664 // case A_surfxml_random_generator_RAND:
665 // random->generator = RAND;
667 // case A_surfxml_random_generator_RNGSTREAM:
668 // random->generator = RNGSTREAM;
671 // surf_parse_error("Invalid random generator");
674 // random->seed = seed;
675 // random->min = min;
676 // random->max = max;
678 // /* Check user stupidities */
680 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
682 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
684 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
686 // /* normalize the mean and standard deviation before storing */
687 // random->mean = (mean - min) / (max - min);
688 // random->std = std / (max - min);
690 // if (random->mean * (1 - random->mean) < random->std * random->std)
691 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
692 // random->mean, random->std);
695 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
696 // random_id, random->min, random->max, random->mean, random->std,
697 // (int)random->generator, random->seed, random_radical);
699 // if (!random_value)
700 // random_value = xbt_dict_new_homogeneous(free);
702 // if (!strcmp(random_radical, "")) {
703 // res = random_generate(random);
704 // rd_value = bprintf("%f", res);
705 // xbt_dict_set(random_value, random_id, rd_value, NULL);
707 // radical_elements = xbt_str_split(random_radical, ",");
708 // xbt_dynar_foreach(radical_elements, iter, groups) {
709 // radical_ends = xbt_str_split(groups, "-");
710 // switch (xbt_dynar_length(radical_ends)) {
712 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
713 // "Custom Random '%s' already exists !", random_id);
714 // res = random_generate(random);
716 // bprintf("%s%d", random_id,
717 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
718 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
723 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
724 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
725 // for (i = start; i <= end; i++) {
726 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
727 // "Custom Random '%s' already exists !", bprintf("%s%d",
730 // res = random_generate(random);
731 // tmpbuf = bprintf("%s%d", random_id, i);
732 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
737 // XBT_CRITICAL("Malformed radical");
740 // res = random_generate(random);
741 // rd_name = bprintf("%s_router", random_id);
742 // rd_value = bprintf("%f", res);
743 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
745 // xbt_dynar_free(&radical_ends);
748 // xbt_dynar_free(&radical_elements);
752 static void check_disk_attachment()
754 xbt_lib_cursor_t cursor;
757 simgrid::surf::NetCard *host_elm;
758 xbt_lib_foreach(storage_lib, cursor, key, data) {
759 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
760 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));
761 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
763 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
768 void routing_register_callbacks()
770 simgrid::surf::on_postparse.connect(check_disk_attachment);
772 instr_routing_define_callbacks();
776 * \brief Recursive function for finalize
778 * \param rc the source host name
780 * This fuction is call by "finalize". It allow to finalize the
781 * AS or routing components. It delete all the structures.
783 static void finalize_rec(simgrid::surf::As *as) {
784 xbt_dict_cursor_t cursor = NULL;
788 xbt_dict_foreach(as->sons_, cursor, key, elem) {
795 /** \brief Frees all memory allocated by the routing module */
796 void routing_exit(void) {
797 delete routing_platf;
803 RoutingPlatf::RoutingPlatf(void *loopback)
804 : loopback_(loopback)
807 RoutingPlatf::~RoutingPlatf()
809 xbt_dynar_free(&lastRoute_);
816 AS_t surf_AS_get_routing_root() {
817 return routing_platf->root_;
820 const char *surf_AS_get_name(simgrid::surf::As *as) {
824 static simgrid::surf::As *surf_AS_recursive_get_by_name(
825 simgrid::surf::As *current, const char * name)
827 xbt_dict_cursor_t cursor = NULL;
830 simgrid::surf::As *tmp = NULL;
832 if(!strcmp(current->name_, name))
835 xbt_dict_foreach(current->sons_, cursor, key, elem) {
836 tmp = surf_AS_recursive_get_by_name(elem, name);
844 simgrid::surf::As *surf_AS_get_by_name(const char * name)
846 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
848 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
852 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
857 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
859 xbt_dynar_t elms = as->vertices_;
860 int count = xbt_dynar_length(elms);
861 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
862 for (int index = 0; index < count; index++) {
864 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
865 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
867 xbt_dynar_push(res, &delm);
873 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
874 as->getGraph(graph, nodes, edges);