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::addBypassRoute(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 *netcard = h==NULL ? NULL: h->pimpl_netcard;
99 netcard = (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(nullptr == 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, (void *) netcard);
218 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
220 /* set the new current component of the tree */
221 current_routing = new_as;
222 current_routing->netcard_ = netcard;
224 simgrid::surf::netcardCreatedCallbacks(netcard);
225 simgrid::surf::asCreatedCallbacks(new_as);
229 * \brief Specify that the current description of AS is finished
231 * Once you've declared all the content of your AS, you have to close
232 * it with this call. Your AS is not usable until you call this function.
234 * @fixme: this call is not as robust as wanted: bad things WILL happen
235 * if you call it twice for the same AS, or if you forget calling it, or
236 * even if you add stuff to a closed AS
239 void routing_AS_end()
241 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
242 current_routing->Seal();
243 current_routing = current_routing->father_;
246 /* Aux Business methods */
249 * \brief Get the AS father and the first elements of the chain
251 * \param src the source host name
252 * \param dst the destination host name
254 * Get the common father of the to processing units, and the first different
255 * father in the chain
257 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
262 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
263 #define ROUTING_HIERARCHY_MAXDEPTH 16 /* increase if it is not enough */
264 simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
265 simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
268 simgrid::surf::As *current_src;
269 simgrid::surf::As *current_dst;
270 simgrid::surf::As *father;
272 /* (1) find the path to root of src and dst*/
273 simgrid::surf::As *src_as = src->containingAS();
274 simgrid::surf::As *dst_as = dst->containingAS();
276 xbt_assert(src_as, "Host %s must be in an AS", src->name());
277 xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
279 /* (2) find the path to the root routing component */
280 for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
281 if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
282 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
283 path_src[index_src++] = current;
285 for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
286 if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
287 xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
288 path_dst[index_dst++] = current;
291 /* (3) find the common father */
293 current_src = path_src[--index_src];
294 current_dst = path_dst[--index_dst];
295 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
297 /* (4) they are not in the same routing component, make the path */
298 if (current_src == current_dst)
299 father = current_src;
301 father = path_src[index_src + 1];
303 /* (5) result generation */
304 *res_father = father; /* first the common father of src and dst */
305 *res_src = current_src; /* second the first different father of src */
306 *res_dst = current_dst; /* three the first different father of dst */
308 #undef ROUTING_HIERARCHY_MAXDEPTH
312 * \brief Recursive function for get_route_and_latency
314 * \param src the source host name
315 * \param dst the destination host name
316 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
317 * \param *latency the latency, if needed
319 static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
320 xbt_dynar_t * links, double *latency)
322 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
323 memset(&route,0,sizeof(route));
325 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
326 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name(), dst->name());
328 /* Find how src and dst are interconnected */
329 simgrid::surf::As *common_father, *src_father, *dst_father;
330 elements_father(src, dst, &common_father, &src_father, &dst_father);
331 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
332 common_father->name_, src_father->name_, dst_father->name_);
334 /* Check whether a direct bypass is defined. If so, use it and bail out */
335 sg_platf_route_cbarg_t bypassed_route = common_father->getBypassRoute(src, dst, latency);
336 if (bypassed_route) {
337 xbt_dynar_merge(links, &bypassed_route->link_list);
338 routing_route_free(bypassed_route);
342 /* If src and dst are in the same AS, life is good */
343 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
344 route.link_list = *links;
345 common_father->getRouteAndLatency(src, dst, &route, latency);
349 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
351 route.link_list = xbt_dynar_new(sizeof(Link*), NULL);
353 common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
354 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
355 "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
357 /* If source gateway is not our source, we have to recursively find our way up to this point */
358 if (src != route.gw_src)
359 _get_route_and_latency(src, route.gw_src, links, latency);
360 xbt_dynar_merge(links, &route.link_list);
362 /* If dest gateway is not our destination, we have to recursively find our way from this point */
363 if (route.gw_dst != dst)
364 _get_route_and_latency(route.gw_dst, dst, links, latency);
368 AS_t surf_platf_get_root(routing_platf_t platf){
372 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
373 return netcard->getRcType();
380 * \brief Find a route between hosts
382 * \param src the network_element_t for src host
383 * \param dst the network_element_t for dst host
384 * \param route where to store the list of links.
385 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
386 * \param latency where to store the latency experienced on the path (or NULL if not interested)
387 * It is the caller responsability to initialize latency to 0 (we add to provided route)
390 * walk through the routing components tree and find a route between hosts
391 * by calling each "get_route" function in each routing component.
393 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
395 XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
396 if (NULL == *route) {
397 xbt_dynar_reset(routing_platf->lastRoute_);
398 *route = routing_platf->lastRoute_;
401 _get_route_and_latency(src, dst, route, latency);
404 static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
406 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
408 //adding my one link routes
409 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
411 xbt_dynar_merge(&ret,&onelink_mine);
415 xbt_dict_cursor_t cursor = NULL;
417 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
418 xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
420 xbt_dynar_merge(&ret,&onelink_child);
425 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
426 return _recursiveGetOneLinkRoutes(root_);
432 /** @brief create the root AS */
433 void routing_model_create( void *loopback)
435 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
438 /* ************************************************************************** */
439 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
441 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
442 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
444 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
445 xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
447 cluster->backbone_ = bb;
448 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
451 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
454 char *groups , *host_id , *link_id = NULL;
456 xbt_dynar_t radical_elements;
457 xbt_dynar_t radical_ends;
460 radical_elements = xbt_str_split(cabinet->radical, ",");
461 xbt_dynar_foreach(radical_elements, iter, groups) {
463 radical_ends = xbt_str_split(groups, "-");
464 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
466 switch (xbt_dynar_length(radical_ends)) {
471 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
474 surf_parse_error("Malformed radical");
477 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
478 memset(&host, 0, sizeof(host));
479 host.initiallyOn = 1;
481 host.speed_scale = 1.0;
482 host.core_amount = 1;
484 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
485 memset(&link, 0, sizeof(link));
486 link.initiallyOn = 1;
487 link.policy = SURF_LINK_FULLDUPLEX;
488 link.latency = cabinet->lat;
489 link.bandwidth = cabinet->bw;
491 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
492 memset(&host_link, 0, sizeof(host_link));
494 for (i = start; i <= end; i++) {
495 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
496 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
499 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
500 xbt_dynar_push(host.speed_peak,&cabinet->speed);
501 sg_platf_new_host(&host);
502 xbt_dynar_free(&host.speed_peak);
503 sg_platf_new_link(&link);
505 char* link_up = bprintf("%s_UP",link_id);
506 char* link_down = bprintf("%s_DOWN",link_id);
507 host_link.id = host_id;
508 host_link.link_up = link_up;
509 host_link.link_down = link_down;
510 sg_platf_new_hostlink(&host_link);
518 xbt_dynar_free(&radical_ends);
520 xbt_dynar_free(&radical_elements);
523 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
525 using simgrid::surf::NetCard;
526 using simgrid::surf::AsCluster;
528 char *host_id = NULL;
529 char *link_id = NULL;
530 char *router_id = NULL;
533 host_id = HOST_PEER(peer->id);
534 link_id = LINK_PEER(peer->id);
535 router_id = ROUTER_PEER(peer->id);
537 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
538 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
540 AS.routing = A_surfxml_AS_routing_Cluster;
541 sg_platf_new_AS_begin(&AS);
543 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
544 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
545 memset(&host, 0, sizeof(host));
546 host.initiallyOn = 1;
549 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
550 xbt_dynar_push(host.speed_peak,&peer->speed);
552 //host.power_peak = peer->power;
553 host.speed_scale = 1.0;
554 host.speed_trace = peer->availability_trace;
555 host.state_trace = peer->state_trace;
556 host.core_amount = 1;
557 sg_platf_new_host(&host);
558 xbt_dynar_free(&host.speed_peak);
560 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
561 memset(&link, 0, sizeof(link));
562 link.initiallyOn = 1;
563 link.policy = SURF_LINK_SHARED;
564 link.latency = peer->lat;
566 char* link_up = bprintf("%s_UP",link_id);
567 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
568 peer->bw_out, peer->lat);
570 link.bandwidth = peer->bw_out;
571 sg_platf_new_link(&link);
573 char* link_down = bprintf("%s_DOWN",link_id);
574 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
575 peer->bw_in, peer->lat);
577 link.bandwidth = peer->bw_in;
578 sg_platf_new_link(&link);
580 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
581 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
582 memset(&host_link, 0, sizeof(host_link));
583 host_link.id = host_id;
584 host_link.link_up = link_up;
585 host_link.link_down = link_down;
586 sg_platf_new_hostlink(&host_link);
588 XBT_DEBUG("<router id=\"%s\"/>", router_id);
589 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
590 memset(&router, 0, sizeof(router));
591 router.id = router_id;
592 router.coord = peer->coord;
593 sg_platf_new_router(&router);
594 static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
597 sg_platf_new_AS_end();
600 //xbt_dynar_free(&tab_elements_num);
608 // static void routing_parse_Srandom(void)
610 // double mean, std, min, max, seed;
611 // char *random_id = A_surfxml_random_id;
612 // char *random_radical = A_surfxml_random_radical;
613 // char *rd_name = NULL;
615 // mean = surf_parse_get_double(A_surfxml_random_mean);
616 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
617 // min = surf_parse_get_double(A_surfxml_random_min);
618 // max = surf_parse_get_double(A_surfxml_random_max);
619 // seed = surf_parse_get_double(A_surfxml_random_seed);
623 // random_data_t random = xbt_new0(s_random_data_t, 1);
626 // xbt_dynar_t radical_elements;
627 // unsigned int iter;
630 // xbt_dynar_t radical_ends;
632 // switch (A_surfxml_random_generator) {
633 // case AU_surfxml_random_generator:
634 // case A_surfxml_random_generator_NONE:
635 // random->generator = NONE;
637 // case A_surfxml_random_generator_DRAND48:
638 // random->generator = DRAND48;
640 // case A_surfxml_random_generator_RAND:
641 // random->generator = RAND;
643 // case A_surfxml_random_generator_RNGSTREAM:
644 // random->generator = RNGSTREAM;
647 // surf_parse_error("Invalid random generator");
650 // random->seed = seed;
651 // random->min = min;
652 // random->max = max;
654 // /* Check user stupidities */
656 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
658 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
660 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
662 // /* normalize the mean and standard deviation before storing */
663 // random->mean = (mean - min) / (max - min);
664 // random->std = std / (max - min);
666 // if (random->mean * (1 - random->mean) < random->std * random->std)
667 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
668 // random->mean, random->std);
671 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
672 // random_id, random->min, random->max, random->mean, random->std,
673 // (int)random->generator, random->seed, random_radical);
675 // if (!random_value)
676 // random_value = xbt_dict_new_homogeneous(free);
678 // if (!strcmp(random_radical, "")) {
679 // res = random_generate(random);
680 // rd_value = bprintf("%f", res);
681 // xbt_dict_set(random_value, random_id, rd_value, NULL);
683 // radical_elements = xbt_str_split(random_radical, ",");
684 // xbt_dynar_foreach(radical_elements, iter, groups) {
685 // radical_ends = xbt_str_split(groups, "-");
686 // switch (xbt_dynar_length(radical_ends)) {
688 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
689 // "Custom Random '%s' already exists !", random_id);
690 // res = random_generate(random);
692 // bprintf("%s%d", random_id,
693 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
694 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
699 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
700 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
701 // for (i = start; i <= end; i++) {
702 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
703 // "Custom Random '%s' already exists !", bprintf("%s%d",
706 // res = random_generate(random);
707 // tmpbuf = bprintf("%s%d", random_id, i);
708 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
713 // XBT_CRITICAL("Malformed radical");
716 // res = random_generate(random);
717 // rd_name = bprintf("%s_router", random_id);
718 // rd_value = bprintf("%f", res);
719 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
721 // xbt_dynar_free(&radical_ends);
724 // xbt_dynar_free(&radical_elements);
728 static void check_disk_attachment()
730 xbt_lib_cursor_t cursor;
733 simgrid::surf::NetCard *host_elm;
734 xbt_lib_foreach(storage_lib, cursor, key, data) {
735 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
736 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));
737 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
739 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
744 void routing_register_callbacks()
746 simgrid::surf::on_postparse.connect(check_disk_attachment);
748 instr_routing_define_callbacks();
752 * \brief Recursive function for finalize
754 * \param rc the source host name
756 * This fuction is call by "finalize". It allow to finalize the
757 * AS or routing components. It delete all the structures.
759 static void finalize_rec(simgrid::surf::As *as) {
760 xbt_dict_cursor_t cursor = NULL;
764 xbt_dict_foreach(as->sons_, cursor, key, elem) {
771 /** \brief Frees all memory allocated by the routing module */
772 void routing_exit(void) {
773 delete routing_platf;
779 RoutingPlatf::RoutingPlatf(void *loopback)
780 : loopback_(loopback)
783 RoutingPlatf::~RoutingPlatf()
785 xbt_dynar_free(&lastRoute_);
792 AS_t surf_AS_get_routing_root() {
793 return routing_platf->root_;
796 const char *surf_AS_get_name(simgrid::surf::As *as) {
800 static simgrid::surf::As *surf_AS_recursive_get_by_name(
801 simgrid::surf::As *current, const char * name)
803 xbt_dict_cursor_t cursor = NULL;
806 simgrid::surf::As *tmp = NULL;
808 if(!strcmp(current->name_, name))
811 xbt_dict_foreach(current->sons_, cursor, key, elem) {
812 tmp = surf_AS_recursive_get_by_name(elem, name);
820 simgrid::surf::As *surf_AS_get_by_name(const char * name)
822 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
824 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
828 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
833 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
835 xbt_dynar_t elms = as->vertices_;
836 int count = xbt_dynar_length(elms);
837 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
838 for (int index = 0; index < count; index++) {
840 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
841 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
843 xbt_dynar_push(res, &delm);
849 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
850 as->getGraph(graph, nodes, edges);