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 int As::addComponent(NetCard *elm) {
47 XBT_DEBUG("Load component \"%s\"", elm->getName());
48 xbt_dynar_push_as(vertices_, NetCard*, elm);
49 return xbt_dynar_length(vertices_)-1;
52 void As::parseRoute(sg_platf_route_cbarg_t /*route*/){
53 THROW_IMPOSSIBLE; /* No. */
55 void As::parseASroute(sg_platf_route_cbarg_t /*route*/){
58 void As::parseBypassroute(sg_platf_route_cbarg_t /*e_route*/){
62 }} // namespace simgrid::surf
65 * @ingroup SURF_build_api
66 * @brief A library containing all known hosts
70 int COORD_HOST_LEVEL=0; //Coordinates level
72 int MSG_FILE_LEVEL; //Msg file level
74 int SIMIX_STORAGE_LEVEL; //Simix storage level
75 int MSG_STORAGE_LEVEL; //Msg storage level
77 xbt_lib_t as_router_lib;
78 int ROUTING_ASR_LEVEL; //Routing level
79 int COORD_ASR_LEVEL; //Coordinates level
80 int NS3_ASR_LEVEL; //host node for ns3
81 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
83 /** @brief Retrieve a netcard from its name
85 * Netcards are the thing that connect host or routers to the network
87 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
89 sg_host_t h = sg_host_by_name(name);
90 simgrid::surf::NetCard *net_elm = h==NULL?NULL: h->pimpl_netcard;
92 net_elm = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
97 simgrid::surf::RoutingPlatf *routing_platf = NULL;
100 /** The current AS in the parsing */
101 static simgrid::surf::As *current_routing = NULL;
102 simgrid::surf::As* routing_get_current()
104 return current_routing;
107 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
108 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
110 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
111 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
112 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
113 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
114 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
116 s_surf_parsing_link_up_down_t link_up_down;
117 link_up_down.link_up = Link::byName(netcard_arg->link_up);
118 link_up_down.link_down = Link::byName(netcard_arg->link_down);
120 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
121 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
123 // If dynar is is greater than netcard id and if the host_link is already defined
124 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->getId() &&
125 xbt_dynar_get_as(current_routing->upDownLinks, netcard->getId(), void*))
126 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
128 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->getName(), netcard->getId());
129 xbt_dynar_set_as(current_routing->upDownLinks, netcard->getId(), s_surf_parsing_link_up_down_t, link_up_down);
132 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
134 tmgr_trace_t tmgr_trace;
135 if (!trace->file || strcmp(trace->file, "") != 0) {
136 tmgr_trace = tmgr_trace_new_from_file(trace->file);
138 xbt_assert(strcmp(trace->pc_data, ""),
139 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
140 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
142 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
146 * \brief Make a new routing component to the platform
148 * Add a new autonomous system to the platform. Any elements (such as host,
149 * router or sub-AS) added after this call and before the corresponding call
150 * to sg_platf_new_AS_close() will be added to this AS.
152 * Once this function was called, the configuration concerning the used
153 * models cannot be changed anymore.
155 * @param AS_id name of this autonomous system. Must be unique in the platform
156 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
158 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
160 XBT_DEBUG("routing_AS_begin");
162 xbt_assert(NULL == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
163 "Refusing to create a second AS called \"%s\".", AS->id);
165 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
166 * any further config now that we created some real content */
169 /* search the routing model */
170 simgrid::surf::As *new_as = NULL;
172 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
173 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
174 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
175 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
176 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
177 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
178 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
179 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
180 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
181 default: xbt_die("Not a valid model!"); break;
184 /* make a new routing component */
185 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
187 if (current_routing == NULL && routing_platf->p_root == NULL) {
188 /* it is the first one */
189 new_as->father_ = NULL;
190 routing_platf->p_root = new_as;
192 } else if (current_routing != NULL && routing_platf->p_root != NULL) {
194 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
195 "The AS \"%s\" already exists", AS->id);
196 /* it is a part of the tree */
197 new_as->father_ = current_routing;
198 /* set the father behavior */
199 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
200 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
201 /* add to the sons dictionary */
202 xbt_dict_set(current_routing->sons_, AS->id,
203 (void *) new_as, NULL);
204 /* add to the father element list */
205 netcard->setId(current_routing->addComponent(netcard));
207 THROWF(arg_error, 0, "All defined components must belong to a AS");
210 xbt_lib_set(as_router_lib, netcard->getName(), ROUTING_ASR_LEVEL,
212 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->getId());
214 /* set the new current component of the tree */
215 current_routing = new_as;
216 current_routing->netcard_ = netcard;
218 simgrid::surf::netcardCreatedCallbacks(netcard);
219 simgrid::surf::asCreatedCallbacks(new_as);
223 * \brief Specify that the current description of AS is finished
225 * Once you've declared all the content of your AS, you have to close
226 * it with this call. Your AS is not usable until you call this function.
228 * @fixme: this call is not as robust as wanted: bad things WILL happen
229 * if you call it twice for the same AS, or if you forget calling it, or
230 * even if you add stuff to a closed AS
233 void routing_AS_end()
235 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
236 current_routing->Seal();
237 current_routing = current_routing->father_;
240 /* Aux Business methods */
243 * \brief Get the AS father and the first elements of the chain
245 * \param src the source host name
246 * \param dst the destination host name
248 * Get the common father of the to processing units, and the first different
249 * father in the chain
251 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
256 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
257 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
258 simgrid::surf::As *src_as, *dst_as;
259 simgrid::surf::As *path_src[ELEMENTS_FATHER_MAXDEPTH];
260 simgrid::surf::As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
263 simgrid::surf::As *current;
264 simgrid::surf::As *current_src;
265 simgrid::surf::As *current_dst;
266 simgrid::surf::As *father;
268 /* (1) find the as where the src and dst are located */
269 sg_netcard_t src_data = src;
270 sg_netcard_t dst_data = dst;
271 src_as = src_data->getRcComponent();
272 dst_as = dst_data->getRcComponent();
274 char* src_name = src_data->getName();
275 char* dst_name = dst_data->getName();
278 xbt_assert(src_as && dst_as,
279 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
281 /* (2) find the path to the root routing component */
282 for (current = src_as; current != NULL; current = current->father_) {
283 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
284 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
285 path_src[index_src++] = current;
287 for (current = dst_as; current != NULL; current = current->father_) {
288 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
289 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
290 path_dst[index_dst++] = current;
293 /* (3) find the common father */
295 current_src = path_src[--index_src];
296 current_dst = path_dst[--index_dst];
297 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
299 /* (4) they are not in the same routing component, make the path */
300 if (current_src == current_dst)
301 father = current_src;
303 father = path_src[index_src + 1];
305 /* (5) result generation */
306 *res_father = father; /* first the common father of src and dst */
307 *res_src = current_src; /* second the first different father of src */
308 *res_dst = current_dst; /* three the first different father of dst */
310 #undef ELEMENTS_FATHER_MAXDEPTH
313 /* Global Business methods */
316 * \brief Recursive function for get_route_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
324 * recursively through the ASes tree.
326 static void _get_route_and_latency(
327 simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
328 xbt_dynar_t * links, double *latency)
330 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
331 memset(&route,0,sizeof(route));
333 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
334 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->getName(), dst->getName());
336 /* Find how src and dst are interconnected */
337 simgrid::surf::As *common_father, *src_father, *dst_father;
338 elements_father(src, dst, &common_father, &src_father, &dst_father);
339 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
340 common_father->name_, src_father->name_, dst_father->name_);
342 /* Check whether a direct bypass is defined */
343 sg_platf_route_cbarg_t e_route_bypass = NULL;
344 //FIXME:REMOVE:if (common_father->get_bypass_route)
346 e_route_bypass = common_father->getBypassRoute(src, dst, latency);
348 /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
349 if (e_route_bypass) {
350 xbt_dynar_merge(links, &e_route_bypass->link_list);
351 routing_route_free(e_route_bypass);
355 /* If src and dst are in the same AS, life is good */
356 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
357 route.link_list = *links;
358 common_father->getRouteAndLatency(src, dst, &route, latency);
359 // if vivaldi latency+=vivaldi(src,dst)
363 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
365 route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
366 // Find the net_card corresponding to father
367 simgrid::surf::NetCard *src_father_netcard = src_father->netcard_;
368 simgrid::surf::NetCard *dst_father_netcard = dst_father->netcard_;
370 common_father->getRouteAndLatency(src_father_netcard, dst_father_netcard,
373 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
374 "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
376 sg_netcard_t src_gateway_net_elm = route.gw_src;
377 sg_netcard_t dst_gateway_net_elm = route.gw_dst;
379 /* If source gateway is not our source, we have to recursively find our way up to this point */
380 if (src != src_gateway_net_elm)
381 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
382 xbt_dynar_merge(links, &route.link_list);
384 /* If dest gateway is not our destination, we have to recursively find our way from this point */
385 if (dst_gateway_net_elm != dst)
386 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
390 AS_t surf_platf_get_root(routing_platf_t platf){
391 return platf->p_root;
394 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
395 return netcard->getRcType();
402 * \brief Find a route between hosts
404 * \param src the network_element_t for src host
405 * \param dst the network_element_t for dst host
406 * \param route where to store the list of links.
407 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
408 * \param latency where to store the latency experienced on the path (or NULL if not interested)
409 * It is the caller responsability to initialize latency to 0 (we add to provided route)
412 * walk through the routing components tree and find a route between hosts
413 * by calling each "get_route" function in each routing component.
415 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
417 XBT_DEBUG("getRouteAndLatency from %s to %s", src->getName(), dst->getName());
418 if (NULL == *route) {
419 xbt_dynar_reset(routing_platf->p_lastRoute);
420 *route = routing_platf->p_lastRoute;
423 _get_route_and_latency(src, dst, route, latency);
425 xbt_assert(!latency || *latency >= 0.0,
426 "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
429 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
430 return recursiveGetOneLinkRoutes(p_root);
433 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc)
435 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
437 //adding my one link routes
438 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
440 xbt_dynar_merge(&ret,&onelink_mine);
444 xbt_dict_cursor_t cursor = NULL;
446 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
447 xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
449 xbt_dynar_merge(&ret,&onelink_child);
457 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
459 simgrid::surf::NetCard *rc = sg_netcard_by_name_or_null(name);
461 return rc->getRcType();
463 return SURF_NETWORK_ELEMENT_NULL;
466 /** @brief create the root AS */
467 void routing_model_create( void *loopback)
469 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
472 /* ************************************************************************** */
473 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
475 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
476 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
478 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
479 xbt_assert(nullptr == cluster->p_backbone, "Cluster %s already has a backbone link!", cluster->name_);
481 cluster->p_backbone = bb;
482 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
485 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
488 char *groups , *host_id , *link_id = NULL;
490 xbt_dynar_t radical_elements;
491 xbt_dynar_t radical_ends;
494 radical_elements = xbt_str_split(cabinet->radical, ",");
495 xbt_dynar_foreach(radical_elements, iter, groups) {
497 radical_ends = xbt_str_split(groups, "-");
498 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
500 switch (xbt_dynar_length(radical_ends)) {
505 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
508 surf_parse_error("Malformed radical");
511 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
512 memset(&host, 0, sizeof(host));
513 host.initiallyOn = 1;
515 host.speed_scale = 1.0;
516 host.core_amount = 1;
518 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
519 memset(&link, 0, sizeof(link));
520 link.initiallyOn = 1;
521 link.policy = SURF_LINK_FULLDUPLEX;
522 link.latency = cabinet->lat;
523 link.bandwidth = cabinet->bw;
525 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
526 memset(&host_link, 0, sizeof(host_link));
528 for (i = start; i <= end; i++) {
529 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
530 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
533 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
534 xbt_dynar_push(host.speed_peak,&cabinet->speed);
535 sg_platf_new_host(&host);
536 xbt_dynar_free(&host.speed_peak);
537 sg_platf_new_link(&link);
539 char* link_up = bprintf("%s_UP",link_id);
540 char* link_down = bprintf("%s_DOWN",link_id);
541 host_link.id = host_id;
542 host_link.link_up = link_up;
543 host_link.link_down = link_down;
544 sg_platf_new_hostlink(&host_link);
552 xbt_dynar_free(&radical_ends);
554 xbt_dynar_free(&radical_elements);
557 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
559 using simgrid::surf::NetCard;
560 using simgrid::surf::AsCluster;
562 char *host_id = NULL;
563 char *link_id = NULL;
564 char *router_id = NULL;
567 host_id = HOST_PEER(peer->id);
568 link_id = LINK_PEER(peer->id);
569 router_id = ROUTER_PEER(peer->id);
571 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
572 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
574 AS.routing = A_surfxml_AS_routing_Cluster;
575 sg_platf_new_AS_begin(&AS);
577 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
578 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
579 memset(&host, 0, sizeof(host));
580 host.initiallyOn = 1;
583 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
584 xbt_dynar_push(host.speed_peak,&peer->speed);
586 //host.power_peak = peer->power;
587 host.speed_scale = 1.0;
588 host.speed_trace = peer->availability_trace;
589 host.state_trace = peer->state_trace;
590 host.core_amount = 1;
591 sg_platf_new_host(&host);
592 xbt_dynar_free(&host.speed_peak);
594 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
595 memset(&link, 0, sizeof(link));
596 link.initiallyOn = 1;
597 link.policy = SURF_LINK_SHARED;
598 link.latency = peer->lat;
600 char* link_up = bprintf("%s_UP",link_id);
601 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
602 peer->bw_out, peer->lat);
604 link.bandwidth = peer->bw_out;
605 sg_platf_new_link(&link);
607 char* link_down = bprintf("%s_DOWN",link_id);
608 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
609 peer->bw_in, peer->lat);
611 link.bandwidth = peer->bw_in;
612 sg_platf_new_link(&link);
614 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
615 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
616 memset(&host_link, 0, sizeof(host_link));
617 host_link.id = host_id;
618 host_link.link_up = link_up;
619 host_link.link_down = link_down;
620 sg_platf_new_hostlink(&host_link);
622 XBT_DEBUG("<router id=\"%s\"/>", router_id);
623 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
624 memset(&router, 0, sizeof(router));
625 router.id = router_id;
626 router.coord = peer->coord;
627 sg_platf_new_router(&router);
628 static_cast<AsCluster*>(current_routing)->p_router = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
631 sg_platf_new_AS_end();
634 //xbt_dynar_free(&tab_elements_num);
642 // static void routing_parse_Srandom(void)
644 // double mean, std, min, max, seed;
645 // char *random_id = A_surfxml_random_id;
646 // char *random_radical = A_surfxml_random_radical;
647 // char *rd_name = NULL;
649 // mean = surf_parse_get_double(A_surfxml_random_mean);
650 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
651 // min = surf_parse_get_double(A_surfxml_random_min);
652 // max = surf_parse_get_double(A_surfxml_random_max);
653 // seed = surf_parse_get_double(A_surfxml_random_seed);
657 // random_data_t random = xbt_new0(s_random_data_t, 1);
660 // xbt_dynar_t radical_elements;
661 // unsigned int iter;
664 // xbt_dynar_t radical_ends;
666 // switch (A_surfxml_random_generator) {
667 // case AU_surfxml_random_generator:
668 // case A_surfxml_random_generator_NONE:
669 // random->generator = NONE;
671 // case A_surfxml_random_generator_DRAND48:
672 // random->generator = DRAND48;
674 // case A_surfxml_random_generator_RAND:
675 // random->generator = RAND;
677 // case A_surfxml_random_generator_RNGSTREAM:
678 // random->generator = RNGSTREAM;
681 // surf_parse_error("Invalid random generator");
684 // random->seed = seed;
685 // random->min = min;
686 // random->max = max;
688 // /* Check user stupidities */
690 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
692 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
694 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
696 // /* normalize the mean and standard deviation before storing */
697 // random->mean = (mean - min) / (max - min);
698 // random->std = std / (max - min);
700 // if (random->mean * (1 - random->mean) < random->std * random->std)
701 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
702 // random->mean, random->std);
705 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
706 // random_id, random->min, random->max, random->mean, random->std,
707 // (int)random->generator, random->seed, random_radical);
709 // if (!random_value)
710 // random_value = xbt_dict_new_homogeneous(free);
712 // if (!strcmp(random_radical, "")) {
713 // res = random_generate(random);
714 // rd_value = bprintf("%f", res);
715 // xbt_dict_set(random_value, random_id, rd_value, NULL);
717 // radical_elements = xbt_str_split(random_radical, ",");
718 // xbt_dynar_foreach(radical_elements, iter, groups) {
719 // radical_ends = xbt_str_split(groups, "-");
720 // switch (xbt_dynar_length(radical_ends)) {
722 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
723 // "Custom Random '%s' already exists !", random_id);
724 // res = random_generate(random);
726 // bprintf("%s%d", random_id,
727 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
728 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
733 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
734 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
735 // for (i = start; i <= end; i++) {
736 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
737 // "Custom Random '%s' already exists !", bprintf("%s%d",
740 // res = random_generate(random);
741 // tmpbuf = bprintf("%s%d", random_id, i);
742 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
747 // XBT_CRITICAL("Malformed radical");
750 // res = random_generate(random);
751 // rd_name = bprintf("%s_router", random_id);
752 // rd_value = bprintf("%f", res);
753 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
755 // xbt_dynar_free(&radical_ends);
758 // xbt_dynar_free(&radical_elements);
762 static void check_disk_attachment()
764 xbt_lib_cursor_t cursor;
767 simgrid::surf::NetCard *host_elm;
768 xbt_lib_foreach(storage_lib, cursor, key, data) {
769 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
770 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));
771 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
773 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
778 void routing_register_callbacks()
780 simgrid::surf::on_postparse.connect(check_disk_attachment);
782 instr_routing_define_callbacks();
786 * \brief Recursive function for finalize
788 * \param rc the source host name
790 * This fuction is call by "finalize". It allow to finalize the
791 * AS or routing components. It delete all the structures.
793 static void finalize_rec(simgrid::surf::As *as) {
794 xbt_dict_cursor_t cursor = NULL;
798 xbt_dict_foreach(as->sons_, cursor, key, elem) {
805 /** \brief Frees all memory allocated by the routing module */
806 void routing_exit(void) {
807 delete routing_platf;
813 RoutingPlatf::RoutingPlatf(void *loopback)
814 : p_loopback(loopback)
817 RoutingPlatf::~RoutingPlatf()
819 xbt_dynar_free(&p_lastRoute);
820 finalize_rec(p_root);
826 AS_t surf_AS_get_routing_root() {
827 return routing_platf->p_root;
830 const char *surf_AS_get_name(simgrid::surf::As *as) {
834 static simgrid::surf::As *surf_AS_recursive_get_by_name(
835 simgrid::surf::As *current, const char * name)
837 xbt_dict_cursor_t cursor = NULL;
840 simgrid::surf::As *tmp = NULL;
842 if(!strcmp(current->name_, name))
845 xbt_dict_foreach(current->sons_, cursor, key, elem) {
846 tmp = surf_AS_recursive_get_by_name(elem, name);
854 simgrid::surf::As *surf_AS_get_by_name(const char * name)
856 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->p_root, name);
858 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
862 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
867 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
869 xbt_dynar_t elms = as->vertices_;
870 int count = xbt_dynar_length(elms);
871 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
872 for (int index = 0; index < count; index++) {
874 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
875 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->getName());
877 xbt_dynar_push(res, &delm);
883 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
884 as->getGraph(graph, nodes, edges);