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);
49 sg_platf_route_cbarg_t As::getBypassRoute(NetCard * /*src*/, NetCard * /*dst*/, double * /*lat*/) {
52 xbt_dynar_t As::getOneLinkRoutes() {
56 int As::addComponent(NetCard *elm) {
57 XBT_DEBUG("Load component \"%s\"", elm->name());
58 xbt_dynar_push_as(vertices_, NetCard*, elm);
59 return xbt_dynar_length(vertices_)-1;
62 void As::addRoute(sg_platf_route_cbarg_t /*route*/){
63 xbt_die("AS %s does not accept new routes (wrong class).",name_);
65 void As::parseBypassroute(sg_platf_route_cbarg_t /*e_route*/){
66 xbt_die("AS %s does not accept new bypass routes (wrong class).",name_);
69 }} // namespace simgrid::surf
72 * @ingroup SURF_build_api
73 * @brief A library containing all known hosts
77 int COORD_HOST_LEVEL=0; //Coordinates level
79 int MSG_FILE_LEVEL; //Msg file level
81 int SIMIX_STORAGE_LEVEL; //Simix storage level
82 int MSG_STORAGE_LEVEL; //Msg storage level
84 xbt_lib_t as_router_lib;
85 int ROUTING_ASR_LEVEL; //Routing level
86 int COORD_ASR_LEVEL; //Coordinates level
87 int NS3_ASR_LEVEL; //host node for ns3
88 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
90 /** @brief Retrieve a netcard from its name
92 * Netcards are the thing that connect host or routers to the network
94 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
96 sg_host_t h = sg_host_by_name(name);
97 simgrid::surf::NetCard *net_elm = h==NULL?NULL: h->pimpl_netcard;
99 net_elm = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
104 simgrid::surf::RoutingPlatf *routing_platf = NULL;
107 /** The current AS in the parsing */
108 static simgrid::surf::As *current_routing = NULL;
109 simgrid::surf::As* routing_get_current()
111 return current_routing;
114 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
115 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
117 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
118 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
119 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
120 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
121 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
123 s_surf_parsing_link_up_down_t link_up_down;
124 link_up_down.link_up = Link::byName(netcard_arg->link_up);
125 link_up_down.link_down = Link::byName(netcard_arg->link_down);
127 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
128 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
130 // If dynar is is greater than netcard id and if the host_link is already defined
131 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
132 xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
133 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
135 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
136 xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
139 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
141 tmgr_trace_t tmgr_trace;
142 if (!trace->file || strcmp(trace->file, "") != 0) {
143 tmgr_trace = tmgr_trace_new_from_file(trace->file);
145 xbt_assert(strcmp(trace->pc_data, ""),
146 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
147 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
149 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
153 * \brief Make a new routing component to the platform
155 * Add a new autonomous system to the platform. Any elements (such as host,
156 * router or sub-AS) added after this call and before the corresponding call
157 * to sg_platf_new_AS_close() will be added to this AS.
159 * Once this function was called, the configuration concerning the used
160 * models cannot be changed anymore.
162 * @param AS_id name of this autonomous system. Must be unique in the platform
163 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
165 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
167 XBT_DEBUG("routing_AS_begin");
169 xbt_assert(NULL == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
170 "Refusing to create a second AS called \"%s\".", AS->id);
172 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
173 * any further config now that we created some real content */
176 /* search the routing model */
177 simgrid::surf::As *new_as = NULL;
179 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
180 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
181 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
182 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
183 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
184 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
185 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
186 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
187 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
188 default: xbt_die("Not a valid model!"); break;
191 /* make a new routing component */
192 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
194 if (current_routing == NULL && routing_platf->root_ == NULL) {
195 /* it is the first one */
196 new_as->father_ = NULL;
197 routing_platf->root_ = new_as;
199 } else if (current_routing != NULL && routing_platf->root_ != NULL) {
201 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
202 "The AS \"%s\" already exists", AS->id);
203 /* it is a part of the tree */
204 new_as->father_ = current_routing;
205 /* set the father behavior */
206 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
207 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
208 /* add to the sons dictionary */
209 xbt_dict_set(current_routing->sons_, AS->id,
210 (void *) new_as, NULL);
211 /* add to the father element list */
212 netcard->setId(current_routing->addComponent(netcard));
214 THROWF(arg_error, 0, "All defined components must belong to a AS");
217 xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL,
219 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
221 /* set the new current component of the tree */
222 current_routing = new_as;
223 current_routing->netcard_ = netcard;
225 simgrid::surf::netcardCreatedCallbacks(netcard);
226 simgrid::surf::asCreatedCallbacks(new_as);
230 * \brief Specify that the current description of AS is finished
232 * Once you've declared all the content of your AS, you have to close
233 * it with this call. Your AS is not usable until you call this function.
235 * @fixme: this call is not as robust as wanted: bad things WILL happen
236 * if you call it twice for the same AS, or if you forget calling it, or
237 * even if you add stuff to a closed AS
240 void routing_AS_end()
242 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
243 current_routing->Seal();
244 current_routing = current_routing->father_;
247 /* Aux Business methods */
250 * \brief Get the AS father and the first elements of the chain
252 * \param src the source host name
253 * \param dst the destination host name
255 * Get the common father of the to processing units, and the first different
256 * father in the chain
258 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
263 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
264 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
265 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
266 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
269 simgrid::surf::As *current_src;
270 simgrid::surf::As *current_dst;
271 simgrid::surf::As *father;
273 /* (1) find the path to root of src and dst*/
274 simgrid::surf::As *src_as = src->containingAS();
275 simgrid::surf::As *dst_as = dst->containingAS();
277 xbt_assert(src_as, "Host %s must be in an AS", src->name());
278 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
280 /* (2) find the path to the root routing component */
281 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
282 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
283 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
284 path_src[index_src++] = current;
286 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
287 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
288 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
289 path_dst[index_dst++] = current;
292 /* (3) find the common father */
294 current_src = path_src[--index_src];
295 current_dst = path_dst[--index_dst];
296 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
298 /* (4) they are not in the same routing component, make the path */
299 if (current_src == current_dst)
300 father = current_src;
302 father = path_src[index_src + 1];
304 /* (5) result generation */
305 *res_father = father; /* first the common father of src and dst */
306 *res_src = current_src; /* second the first different father of src */
307 *res_dst = current_dst; /* three the first different father of dst */
309 #undef ROUTING_HIERARCHY_MAXDEPTH
313 * \brief Recursive function for get_route_and_latency
315 * \param src the source host name
316 * \param dst the destination host name
317 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
318 * \param *latency the latency, if needed
320 * This function is called by "get_route" and "get_latency". It allows to walk recursively through the ASes tree.
322 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
323 xbt_dynar_t * links, double *latency)
325 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
326 memset(&route,0,sizeof(route));
328 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
329 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
331 /* Find how src and dst are interconnected */
332 simgrid::surf::As *common_father, *src_father, *dst_father;
333 elements_father(src, dst, &common_father, &src_father, &dst_father);
334 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
335 common_father->name_, src_father->name_, dst_father->name_);
337 /* Check whether a direct bypass is defined. If so, use it and bail out */
338 sg_platf_route_cbarg_t bypassed_route = common_father->getBypassRoute(src, dst, latency);
339 if (bypassed_route) {
340 xbt_dynar_merge(links, &bypassed_route->link_list);
341 routing_route_free(bypassed_route);
345 /* If src and dst are in the same AS, life is good */
346 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
347 route.link_list = *links;
348 common_father->getRouteAndLatency(src, dst, &route, latency);
352 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
354 route.link_list = xbt_dynar_new(sizeof(Link*), NULL);
356 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
357 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
358 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
360 /* If source gateway is not our source, we have to recursively find our way up to this point */
361 if (src != route.gw_src)
362 _get_route_and_latency(src, route.gw_src, links, latency);
363 xbt_dynar_merge(links, &route.link_list);
365 /* If dest gateway is not our destination, we have to recursively find our way from this point */
366 if (route.gw_dst != dst)
367 _get_route_and_latency(route.gw_dst, dst, links, latency);
371 AS_t surf_platf_get_root(routing_platf_t platf){
375 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
376 return netcard->getRcType();
383 * \brief Find a route between hosts
385 * \param src the network_element_t for src host
386 * \param dst the network_element_t for dst host
387 * \param route where to store the list of links.
388 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
389 * \param latency where to store the latency experienced on the path (or NULL if not interested)
390 * It is the caller responsability to initialize latency to 0 (we add to provided route)
393 * walk through the routing components tree and find a route between hosts
394 * by calling each "get_route" function in each routing component.
396 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
398 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
399 if (NULL == *route) {
400 xbt_dynar_reset(routing_platf->lastRoute_);
401 *route = routing_platf->lastRoute_;
404 _get_route_and_latency(src, dst, route, latency);
407 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
409 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
411 //adding my one link routes
412 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
414 xbt_dynar_merge(&ret,&onelink_mine);
418 xbt_dict_cursor_t cursor = NULL;
420 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
421 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
423 xbt_dynar_merge(&ret,&onelink_child);
428 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
429 return _recursiveGetOneLinkRoutes(root_);
435 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
437 simgrid::surf::NetCard *rc = sg_netcard_by_name_or_null(name);
439 return rc->getRcType();
441 return SURF_NETWORK_ELEMENT_NULL;
444 /** @brief create the root AS */
445 void routing_model_create( void *loopback)
447 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
450 /* ************************************************************************** */
451 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
453 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
454 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
456 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
457 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
459 cluster->backbone_ = bb;
460 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
463 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
466 char *groups , *host_id , *link_id = NULL;
468 xbt_dynar_t radical_elements;
469 xbt_dynar_t radical_ends;
472 radical_elements = xbt_str_split(cabinet->radical, ",");
473 xbt_dynar_foreach(radical_elements, iter, groups) {
475 radical_ends = xbt_str_split(groups, "-");
476 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
478 switch (xbt_dynar_length(radical_ends)) {
483 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
486 surf_parse_error("Malformed radical");
489 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
490 memset(&host, 0, sizeof(host));
491 host.initiallyOn = 1;
493 host.speed_scale = 1.0;
494 host.core_amount = 1;
496 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
497 memset(&link, 0, sizeof(link));
498 link.initiallyOn = 1;
499 link.policy = SURF_LINK_FULLDUPLEX;
500 link.latency = cabinet->lat;
501 link.bandwidth = cabinet->bw;
503 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
504 memset(&host_link, 0, sizeof(host_link));
506 for (i = start; i <= end; i++) {
507 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
508 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
511 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
512 xbt_dynar_push(host.speed_peak,&cabinet->speed);
513 sg_platf_new_host(&host);
514 xbt_dynar_free(&host.speed_peak);
515 sg_platf_new_link(&link);
517 char* link_up = bprintf("%s_UP",link_id);
518 char* link_down = bprintf("%s_DOWN",link_id);
519 host_link.id = host_id;
520 host_link.link_up = link_up;
521 host_link.link_down = link_down;
522 sg_platf_new_hostlink(&host_link);
530 xbt_dynar_free(&radical_ends);
532 xbt_dynar_free(&radical_elements);
535 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
537 using simgrid::surf::NetCard;
538 using simgrid::surf::AsCluster;
540 char *host_id = NULL;
541 char *link_id = NULL;
542 char *router_id = NULL;
545 host_id = HOST_PEER(peer->id);
546 link_id = LINK_PEER(peer->id);
547 router_id = ROUTER_PEER(peer->id);
549 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
550 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
552 AS.routing = A_surfxml_AS_routing_Cluster;
553 sg_platf_new_AS_begin(&AS);
555 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
556 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
557 memset(&host, 0, sizeof(host));
558 host.initiallyOn = 1;
561 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
562 xbt_dynar_push(host.speed_peak,&peer->speed);
564 //host.power_peak = peer->power;
565 host.speed_scale = 1.0;
566 host.speed_trace = peer->availability_trace;
567 host.state_trace = peer->state_trace;
568 host.core_amount = 1;
569 sg_platf_new_host(&host);
570 xbt_dynar_free(&host.speed_peak);
572 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
573 memset(&link, 0, sizeof(link));
574 link.initiallyOn = 1;
575 link.policy = SURF_LINK_SHARED;
576 link.latency = peer->lat;
578 char* link_up = bprintf("%s_UP",link_id);
579 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
580 peer->bw_out, peer->lat);
582 link.bandwidth = peer->bw_out;
583 sg_platf_new_link(&link);
585 char* link_down = bprintf("%s_DOWN",link_id);
586 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
587 peer->bw_in, peer->lat);
589 link.bandwidth = peer->bw_in;
590 sg_platf_new_link(&link);
592 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
593 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
594 memset(&host_link, 0, sizeof(host_link));
595 host_link.id = host_id;
596 host_link.link_up = link_up;
597 host_link.link_down = link_down;
598 sg_platf_new_hostlink(&host_link);
600 XBT_DEBUG("<router id=\"%s\"/>", router_id);
601 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
602 memset(&router, 0, sizeof(router));
603 router.id = router_id;
604 router.coord = peer->coord;
605 sg_platf_new_router(&router);
606 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
609 sg_platf_new_AS_end();
612 //xbt_dynar_free(&tab_elements_num);
620 // static void routing_parse_Srandom(void)
622 // double mean, std, min, max, seed;
623 // char *random_id = A_surfxml_random_id;
624 // char *random_radical = A_surfxml_random_radical;
625 // char *rd_name = NULL;
627 // mean = surf_parse_get_double(A_surfxml_random_mean);
628 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
629 // min = surf_parse_get_double(A_surfxml_random_min);
630 // max = surf_parse_get_double(A_surfxml_random_max);
631 // seed = surf_parse_get_double(A_surfxml_random_seed);
635 // random_data_t random = xbt_new0(s_random_data_t, 1);
638 // xbt_dynar_t radical_elements;
639 // unsigned int iter;
642 // xbt_dynar_t radical_ends;
644 // switch (A_surfxml_random_generator) {
645 // case AU_surfxml_random_generator:
646 // case A_surfxml_random_generator_NONE:
647 // random->generator = NONE;
649 // case A_surfxml_random_generator_DRAND48:
650 // random->generator = DRAND48;
652 // case A_surfxml_random_generator_RAND:
653 // random->generator = RAND;
655 // case A_surfxml_random_generator_RNGSTREAM:
656 // random->generator = RNGSTREAM;
659 // surf_parse_error("Invalid random generator");
662 // random->seed = seed;
663 // random->min = min;
664 // random->max = max;
666 // /* Check user stupidities */
668 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
670 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
672 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
674 // /* normalize the mean and standard deviation before storing */
675 // random->mean = (mean - min) / (max - min);
676 // random->std = std / (max - min);
678 // if (random->mean * (1 - random->mean) < random->std * random->std)
679 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
680 // random->mean, random->std);
683 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
684 // random_id, random->min, random->max, random->mean, random->std,
685 // (int)random->generator, random->seed, random_radical);
687 // if (!random_value)
688 // random_value = xbt_dict_new_homogeneous(free);
690 // if (!strcmp(random_radical, "")) {
691 // res = random_generate(random);
692 // rd_value = bprintf("%f", res);
693 // xbt_dict_set(random_value, random_id, rd_value, NULL);
695 // radical_elements = xbt_str_split(random_radical, ",");
696 // xbt_dynar_foreach(radical_elements, iter, groups) {
697 // radical_ends = xbt_str_split(groups, "-");
698 // switch (xbt_dynar_length(radical_ends)) {
700 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
701 // "Custom Random '%s' already exists !", random_id);
702 // res = random_generate(random);
704 // bprintf("%s%d", random_id,
705 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
706 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
711 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
712 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
713 // for (i = start; i <= end; i++) {
714 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
715 // "Custom Random '%s' already exists !", bprintf("%s%d",
718 // res = random_generate(random);
719 // tmpbuf = bprintf("%s%d", random_id, i);
720 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
725 // XBT_CRITICAL("Malformed radical");
728 // res = random_generate(random);
729 // rd_name = bprintf("%s_router", random_id);
730 // rd_value = bprintf("%f", res);
731 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
733 // xbt_dynar_free(&radical_ends);
736 // xbt_dynar_free(&radical_elements);
740 static void check_disk_attachment()
742 xbt_lib_cursor_t cursor;
745 simgrid::surf::NetCard *host_elm;
746 xbt_lib_foreach(storage_lib, cursor, key, data) {
747 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
748 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));
749 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
751 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
756 void routing_register_callbacks()
758 simgrid::surf::on_postparse.connect(check_disk_attachment);
760 instr_routing_define_callbacks();
764 * \brief Recursive function for finalize
766 * \param rc the source host name
768 * This fuction is call by "finalize". It allow to finalize the
769 * AS or routing components. It delete all the structures.
771 static void finalize_rec(simgrid::surf::As *as) {
772 xbt_dict_cursor_t cursor = NULL;
776 xbt_dict_foreach(as->sons_, cursor, key, elem) {
783 /** \brief Frees all memory allocated by the routing module */
784 void routing_exit(void) {
785 delete routing_platf;
791 RoutingPlatf::RoutingPlatf(void *loopback)
792 : loopback_(loopback)
795 RoutingPlatf::~RoutingPlatf()
797 xbt_dynar_free(&lastRoute_);
804 AS_t surf_AS_get_routing_root() {
805 return routing_platf->root_;
808 const char *surf_AS_get_name(simgrid::surf::As *as) {
812 static simgrid::surf::As *surf_AS_recursive_get_by_name(
813 simgrid::surf::As *current, const char * name)
815 xbt_dict_cursor_t cursor = NULL;
818 simgrid::surf::As *tmp = NULL;
820 if(!strcmp(current->name_, name))
823 xbt_dict_foreach(current->sons_, cursor, key, elem) {
824 tmp = surf_AS_recursive_get_by_name(elem, name);
832 simgrid::surf::As *surf_AS_get_by_name(const char * name)
834 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
836 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
840 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
845 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
847 xbt_dynar_t elms = as->vertices_;
848 int count = xbt_dynar_length(elms);
849 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
850 for (int index = 0; index < count; index++) {
852 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
853 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
855 xbt_dynar_push(res, &delm);
861 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
862 as->getGraph(graph, nodes, edges);