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->getName());
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::parseASroute(sg_platf_route_cbarg_t /*route*/){
63 void As::parseBypassroute(sg_platf_route_cbarg_t /*e_route*/){
67 }} // namespace simgrid::surf
70 * @ingroup SURF_build_api
71 * @brief A library containing all known hosts
75 int COORD_HOST_LEVEL=0; //Coordinates level
77 int MSG_FILE_LEVEL; //Msg file level
79 int SIMIX_STORAGE_LEVEL; //Simix storage level
80 int MSG_STORAGE_LEVEL; //Msg storage level
82 xbt_lib_t as_router_lib;
83 int ROUTING_ASR_LEVEL; //Routing level
84 int COORD_ASR_LEVEL; //Coordinates level
85 int NS3_ASR_LEVEL; //host node for ns3
86 int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored
88 /** @brief Retrieve a netcard from its name
90 * Netcards are the thing that connect host or routers to the network
92 simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
94 sg_host_t h = sg_host_by_name(name);
95 simgrid::surf::NetCard *net_elm = h==NULL?NULL: h->pimpl_netcard;
97 net_elm = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
102 simgrid::surf::RoutingPlatf *routing_platf = NULL;
105 /** The current AS in the parsing */
106 static simgrid::surf::As *current_routing = NULL;
107 simgrid::surf::As* routing_get_current()
109 return current_routing;
112 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
113 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
115 simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
116 xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
117 xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
118 dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
119 "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
121 s_surf_parsing_link_up_down_t link_up_down;
122 link_up_down.link_up = Link::byName(netcard_arg->link_up);
123 link_up_down.link_down = Link::byName(netcard_arg->link_down);
125 xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
126 xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
128 // If dynar is is greater than netcard id and if the host_link is already defined
129 if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->getId() &&
130 xbt_dynar_get_as(current_routing->upDownLinks, netcard->getId(), void*))
131 surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
133 XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->getName(), netcard->getId());
134 xbt_dynar_set_as(current_routing->upDownLinks, netcard->getId(), s_surf_parsing_link_up_down_t, link_up_down);
137 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
139 tmgr_trace_t tmgr_trace;
140 if (!trace->file || strcmp(trace->file, "") != 0) {
141 tmgr_trace = tmgr_trace_new_from_file(trace->file);
143 xbt_assert(strcmp(trace->pc_data, ""),
144 "Trace '%s' must have either a content, or point to a file on disk.",trace->id);
145 tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity);
147 xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
151 * \brief Make a new routing component to the platform
153 * Add a new autonomous system to the platform. Any elements (such as host,
154 * router or sub-AS) added after this call and before the corresponding call
155 * to sg_platf_new_AS_close() will be added to this AS.
157 * Once this function was called, the configuration concerning the used
158 * models cannot be changed anymore.
160 * @param AS_id name of this autonomous system. Must be unique in the platform
161 * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
163 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
165 XBT_DEBUG("routing_AS_begin");
167 xbt_assert(NULL == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
168 "Refusing to create a second AS called \"%s\".", AS->id);
170 _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
171 * any further config now that we created some real content */
174 /* search the routing model */
175 simgrid::surf::As *new_as = NULL;
177 case A_surfxml_AS_routing_Cluster: new_as = new simgrid::surf::AsCluster(AS->id); break;
178 case A_surfxml_AS_routing_ClusterTorus: new_as = new simgrid::surf::AsClusterTorus(AS->id); break;
179 case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
180 case A_surfxml_AS_routing_Dijkstra: new_as = new simgrid::surf::AsDijkstra(AS->id, 0); break;
181 case A_surfxml_AS_routing_DijkstraCache: new_as = new simgrid::surf::AsDijkstra(AS->id, 1); break;
182 case A_surfxml_AS_routing_Floyd: new_as = new simgrid::surf::AsFloyd(AS->id); break;
183 case A_surfxml_AS_routing_Full: new_as = new simgrid::surf::AsFull(AS->id); break;
184 case A_surfxml_AS_routing_None: new_as = new simgrid::surf::AsNone(AS->id); break;
185 case A_surfxml_AS_routing_Vivaldi: new_as = new simgrid::surf::AsVivaldi(AS->id); break;
186 default: xbt_die("Not a valid model!"); break;
189 /* make a new routing component */
190 simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
192 if (current_routing == NULL && routing_platf->p_root == NULL) {
193 /* it is the first one */
194 new_as->father_ = NULL;
195 routing_platf->p_root = new_as;
197 } else if (current_routing != NULL && routing_platf->p_root != NULL) {
199 xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
200 "The AS \"%s\" already exists", AS->id);
201 /* it is a part of the tree */
202 new_as->father_ = current_routing;
203 /* set the father behavior */
204 if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
205 current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
206 /* add to the sons dictionary */
207 xbt_dict_set(current_routing->sons_, AS->id,
208 (void *) new_as, NULL);
209 /* add to the father element list */
210 netcard->setId(current_routing->addComponent(netcard));
212 THROWF(arg_error, 0, "All defined components must belong to a AS");
215 xbt_lib_set(as_router_lib, netcard->getName(), ROUTING_ASR_LEVEL,
217 XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->getId());
219 /* set the new current component of the tree */
220 current_routing = new_as;
221 current_routing->netcard_ = netcard;
223 simgrid::surf::netcardCreatedCallbacks(netcard);
224 simgrid::surf::asCreatedCallbacks(new_as);
228 * \brief Specify that the current description of AS is finished
230 * Once you've declared all the content of your AS, you have to close
231 * it with this call. Your AS is not usable until you call this function.
233 * @fixme: this call is not as robust as wanted: bad things WILL happen
234 * if you call it twice for the same AS, or if you forget calling it, or
235 * even if you add stuff to a closed AS
238 void routing_AS_end()
240 xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
241 current_routing->Seal();
242 current_routing = current_routing->father_;
245 /* Aux Business methods */
248 * \brief Get the AS father and the first elements of the chain
250 * \param src the source host name
251 * \param dst the destination host name
253 * Get the common father of the to processing units, and the first different
254 * father in the chain
256 static void elements_father(sg_netcard_t src, sg_netcard_t dst,
261 xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
262 #define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
263 simgrid::surf::As *src_as, *dst_as;
264 simgrid::surf::As *path_src[ELEMENTS_FATHER_MAXDEPTH];
265 simgrid::surf::As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
268 simgrid::surf::As *current;
269 simgrid::surf::As *current_src;
270 simgrid::surf::As *current_dst;
271 simgrid::surf::As *father;
273 /* (1) find the as where the src and dst are located */
274 sg_netcard_t src_data = src;
275 sg_netcard_t dst_data = dst;
276 src_as = src_data->getRcComponent();
277 dst_as = dst_data->getRcComponent();
279 char* src_name = src_data->getName();
280 char* dst_name = dst_data->getName();
283 xbt_assert(src_as && dst_as,
284 "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
286 /* (2) find the path to the root routing component */
287 for (current = src_as; current != NULL; current = current->father_) {
288 if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
289 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
290 path_src[index_src++] = current;
292 for (current = dst_as; current != NULL; current = current->father_) {
293 if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
294 xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
295 path_dst[index_dst++] = current;
298 /* (3) find the common father */
300 current_src = path_src[--index_src];
301 current_dst = path_dst[--index_dst];
302 } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
304 /* (4) they are not in the same routing component, make the path */
305 if (current_src == current_dst)
306 father = current_src;
308 father = path_src[index_src + 1];
310 /* (5) result generation */
311 *res_father = father; /* first the common father of src and dst */
312 *res_src = current_src; /* second the first different father of src */
313 *res_dst = current_dst; /* three the first different father of dst */
315 #undef ELEMENTS_FATHER_MAXDEPTH
318 /* Global Business methods */
321 * \brief Recursive function for get_route_latency
323 * \param src the source host name
324 * \param dst the destination host name
325 * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
326 * \param *latency the latency, if needed
328 * This function is called by "get_route" and "get_latency". It allows to walk
329 * recursively through the ASes tree.
331 static void _get_route_and_latency(
332 simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
333 xbt_dynar_t * links, double *latency)
335 s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
336 memset(&route,0,sizeof(route));
338 xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
339 XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->getName(), dst->getName());
341 /* Find how src and dst are interconnected */
342 simgrid::surf::As *common_father, *src_father, *dst_father;
343 elements_father(src, dst, &common_father, &src_father, &dst_father);
344 XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
345 common_father->name_, src_father->name_, dst_father->name_);
347 /* Check whether a direct bypass is defined */
348 sg_platf_route_cbarg_t e_route_bypass = NULL;
349 //FIXME:REMOVE:if (common_father->get_bypass_route)
351 e_route_bypass = common_father->getBypassRoute(src, dst, latency);
353 /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
354 if (e_route_bypass) {
355 xbt_dynar_merge(links, &e_route_bypass->link_list);
356 routing_route_free(e_route_bypass);
360 /* If src and dst are in the same AS, life is good */
361 if (src_father == dst_father) { /* SURF_ROUTING_BASE */
362 route.link_list = *links;
363 common_father->getRouteAndLatency(src, dst, &route, latency);
364 // if vivaldi latency+=vivaldi(src,dst)
368 /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
370 route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
371 // Find the net_card corresponding to father
372 simgrid::surf::NetCard *src_father_netcard = src_father->netcard_;
373 simgrid::surf::NetCard *dst_father_netcard = dst_father->netcard_;
375 common_father->getRouteAndLatency(src_father_netcard, dst_father_netcard,
378 xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
379 "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
381 sg_netcard_t src_gateway_net_elm = route.gw_src;
382 sg_netcard_t dst_gateway_net_elm = route.gw_dst;
384 /* If source gateway is not our source, we have to recursively find our way up to this point */
385 if (src != src_gateway_net_elm)
386 _get_route_and_latency(src, src_gateway_net_elm, links, latency);
387 xbt_dynar_merge(links, &route.link_list);
389 /* If dest gateway is not our destination, we have to recursively find our way from this point */
390 if (dst_gateway_net_elm != dst)
391 _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
395 AS_t surf_platf_get_root(routing_platf_t platf){
396 return platf->p_root;
399 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
400 return netcard->getRcType();
407 * \brief Find a route between hosts
409 * \param src the network_element_t for src host
410 * \param dst the network_element_t for dst host
411 * \param route where to store the list of links.
412 * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
413 * \param latency where to store the latency experienced on the path (or NULL if not interested)
414 * It is the caller responsability to initialize latency to 0 (we add to provided route)
417 * walk through the routing components tree and find a route between hosts
418 * by calling each "get_route" function in each routing component.
420 void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
422 XBT_DEBUG("getRouteAndLatency from %s to %s", src->getName(), dst->getName());
423 if (NULL == *route) {
424 xbt_dynar_reset(routing_platf->p_lastRoute);
425 *route = routing_platf->p_lastRoute;
428 _get_route_and_latency(src, dst, route, latency);
430 xbt_assert(!latency || *latency >= 0.0,
431 "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
434 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
435 return recursiveGetOneLinkRoutes(p_root);
438 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc)
440 xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
442 //adding my one link routes
443 xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
445 xbt_dynar_merge(&ret,&onelink_mine);
449 xbt_dict_cursor_t cursor = NULL;
451 xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
452 xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
454 xbt_dynar_merge(&ret,&onelink_child);
462 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
464 simgrid::surf::NetCard *rc = sg_netcard_by_name_or_null(name);
466 return rc->getRcType();
468 return SURF_NETWORK_ELEMENT_NULL;
471 /** @brief create the root AS */
472 void routing_model_create( void *loopback)
474 routing_platf = new simgrid::surf::RoutingPlatf(loopback);
477 /* ************************************************************************** */
478 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
480 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
481 simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
483 xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
484 xbt_assert(nullptr == cluster->p_backbone, "Cluster %s already has a backbone link!", cluster->name_);
486 cluster->p_backbone = bb;
487 XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
490 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
493 char *groups , *host_id , *link_id = NULL;
495 xbt_dynar_t radical_elements;
496 xbt_dynar_t radical_ends;
499 radical_elements = xbt_str_split(cabinet->radical, ",");
500 xbt_dynar_foreach(radical_elements, iter, groups) {
502 radical_ends = xbt_str_split(groups, "-");
503 start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
505 switch (xbt_dynar_length(radical_ends)) {
510 end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
513 surf_parse_error("Malformed radical");
516 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
517 memset(&host, 0, sizeof(host));
518 host.initiallyOn = 1;
520 host.speed_scale = 1.0;
521 host.core_amount = 1;
523 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
524 memset(&link, 0, sizeof(link));
525 link.initiallyOn = 1;
526 link.policy = SURF_LINK_FULLDUPLEX;
527 link.latency = cabinet->lat;
528 link.bandwidth = cabinet->bw;
530 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
531 memset(&host_link, 0, sizeof(host_link));
533 for (i = start; i <= end; i++) {
534 host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
535 link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
538 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
539 xbt_dynar_push(host.speed_peak,&cabinet->speed);
540 sg_platf_new_host(&host);
541 xbt_dynar_free(&host.speed_peak);
542 sg_platf_new_link(&link);
544 char* link_up = bprintf("%s_UP",link_id);
545 char* link_down = bprintf("%s_DOWN",link_id);
546 host_link.id = host_id;
547 host_link.link_up = link_up;
548 host_link.link_down = link_down;
549 sg_platf_new_hostlink(&host_link);
557 xbt_dynar_free(&radical_ends);
559 xbt_dynar_free(&radical_elements);
562 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
564 using simgrid::surf::NetCard;
565 using simgrid::surf::AsCluster;
567 char *host_id = NULL;
568 char *link_id = NULL;
569 char *router_id = NULL;
572 host_id = HOST_PEER(peer->id);
573 link_id = LINK_PEER(peer->id);
574 router_id = ROUTER_PEER(peer->id);
576 XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
577 s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
579 AS.routing = A_surfxml_AS_routing_Cluster;
580 sg_platf_new_AS_begin(&AS);
582 XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
583 s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
584 memset(&host, 0, sizeof(host));
585 host.initiallyOn = 1;
588 host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
589 xbt_dynar_push(host.speed_peak,&peer->speed);
591 //host.power_peak = peer->power;
592 host.speed_scale = 1.0;
593 host.speed_trace = peer->availability_trace;
594 host.state_trace = peer->state_trace;
595 host.core_amount = 1;
596 sg_platf_new_host(&host);
597 xbt_dynar_free(&host.speed_peak);
599 s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
600 memset(&link, 0, sizeof(link));
601 link.initiallyOn = 1;
602 link.policy = SURF_LINK_SHARED;
603 link.latency = peer->lat;
605 char* link_up = bprintf("%s_UP",link_id);
606 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
607 peer->bw_out, peer->lat);
609 link.bandwidth = peer->bw_out;
610 sg_platf_new_link(&link);
612 char* link_down = bprintf("%s_DOWN",link_id);
613 XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
614 peer->bw_in, peer->lat);
616 link.bandwidth = peer->bw_in;
617 sg_platf_new_link(&link);
619 XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
620 s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
621 memset(&host_link, 0, sizeof(host_link));
622 host_link.id = host_id;
623 host_link.link_up = link_up;
624 host_link.link_down = link_down;
625 sg_platf_new_hostlink(&host_link);
627 XBT_DEBUG("<router id=\"%s\"/>", router_id);
628 s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
629 memset(&router, 0, sizeof(router));
630 router.id = router_id;
631 router.coord = peer->coord;
632 sg_platf_new_router(&router);
633 static_cast<AsCluster*>(current_routing)->p_router = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
636 sg_platf_new_AS_end();
639 //xbt_dynar_free(&tab_elements_num);
647 // static void routing_parse_Srandom(void)
649 // double mean, std, min, max, seed;
650 // char *random_id = A_surfxml_random_id;
651 // char *random_radical = A_surfxml_random_radical;
652 // char *rd_name = NULL;
654 // mean = surf_parse_get_double(A_surfxml_random_mean);
655 // std = surf_parse_get_double(A_surfxml_random_std___deviation);
656 // min = surf_parse_get_double(A_surfxml_random_min);
657 // max = surf_parse_get_double(A_surfxml_random_max);
658 // seed = surf_parse_get_double(A_surfxml_random_seed);
662 // random_data_t random = xbt_new0(s_random_data_t, 1);
665 // xbt_dynar_t radical_elements;
666 // unsigned int iter;
669 // xbt_dynar_t radical_ends;
671 // switch (A_surfxml_random_generator) {
672 // case AU_surfxml_random_generator:
673 // case A_surfxml_random_generator_NONE:
674 // random->generator = NONE;
676 // case A_surfxml_random_generator_DRAND48:
677 // random->generator = DRAND48;
679 // case A_surfxml_random_generator_RAND:
680 // random->generator = RAND;
682 // case A_surfxml_random_generator_RNGSTREAM:
683 // random->generator = RNGSTREAM;
686 // surf_parse_error("Invalid random generator");
689 // random->seed = seed;
690 // random->min = min;
691 // random->max = max;
693 // /* Check user stupidities */
695 // THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
697 // THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
699 // THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
701 // /* normalize the mean and standard deviation before storing */
702 // random->mean = (mean - min) / (max - min);
703 // random->std = std / (max - min);
705 // if (random->mean * (1 - random->mean) < random->std * random->std)
706 // THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
707 // random->mean, random->std);
710 // ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
711 // random_id, random->min, random->max, random->mean, random->std,
712 // (int)random->generator, random->seed, random_radical);
714 // if (!random_value)
715 // random_value = xbt_dict_new_homogeneous(free);
717 // if (!strcmp(random_radical, "")) {
718 // res = random_generate(random);
719 // rd_value = bprintf("%f", res);
720 // xbt_dict_set(random_value, random_id, rd_value, NULL);
722 // radical_elements = xbt_str_split(random_radical, ",");
723 // xbt_dynar_foreach(radical_elements, iter, groups) {
724 // radical_ends = xbt_str_split(groups, "-");
725 // switch (xbt_dynar_length(radical_ends)) {
727 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
728 // "Custom Random '%s' already exists !", random_id);
729 // res = random_generate(random);
731 // bprintf("%s%d", random_id,
732 // atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
733 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
738 // start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
739 // end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
740 // for (i = start; i <= end; i++) {
741 // xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
742 // "Custom Random '%s' already exists !", bprintf("%s%d",
745 // res = random_generate(random);
746 // tmpbuf = bprintf("%s%d", random_id, i);
747 // xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
752 // XBT_CRITICAL("Malformed radical");
755 // res = random_generate(random);
756 // rd_name = bprintf("%s_router", random_id);
757 // rd_value = bprintf("%f", res);
758 // xbt_dict_set(random_value, rd_name, rd_value, NULL);
760 // xbt_dynar_free(&radical_ends);
763 // xbt_dynar_free(&radical_elements);
767 static void check_disk_attachment()
769 xbt_lib_cursor_t cursor;
772 simgrid::surf::NetCard *host_elm;
773 xbt_lib_foreach(storage_lib, cursor, key, data) {
774 if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != NULL) {
775 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));
776 host_elm = sg_netcard_by_name_or_null(storage->p_attach);
778 surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach);
783 void routing_register_callbacks()
785 simgrid::surf::on_postparse.connect(check_disk_attachment);
787 instr_routing_define_callbacks();
791 * \brief Recursive function for finalize
793 * \param rc the source host name
795 * This fuction is call by "finalize". It allow to finalize the
796 * AS or routing components. It delete all the structures.
798 static void finalize_rec(simgrid::surf::As *as) {
799 xbt_dict_cursor_t cursor = NULL;
803 xbt_dict_foreach(as->sons_, cursor, key, elem) {
810 /** \brief Frees all memory allocated by the routing module */
811 void routing_exit(void) {
812 delete routing_platf;
818 RoutingPlatf::RoutingPlatf(void *loopback)
819 : p_loopback(loopback)
822 RoutingPlatf::~RoutingPlatf()
824 xbt_dynar_free(&p_lastRoute);
825 finalize_rec(p_root);
831 AS_t surf_AS_get_routing_root() {
832 return routing_platf->p_root;
835 const char *surf_AS_get_name(simgrid::surf::As *as) {
839 static simgrid::surf::As *surf_AS_recursive_get_by_name(
840 simgrid::surf::As *current, const char * name)
842 xbt_dict_cursor_t cursor = NULL;
845 simgrid::surf::As *tmp = NULL;
847 if(!strcmp(current->name_, name))
850 xbt_dict_foreach(current->sons_, cursor, key, elem) {
851 tmp = surf_AS_recursive_get_by_name(elem, name);
859 simgrid::surf::As *surf_AS_get_by_name(const char * name)
861 simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->p_root, name);
863 XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
867 xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
872 xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
874 xbt_dynar_t elms = as->vertices_;
875 int count = xbt_dynar_length(elms);
876 xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), NULL);
877 for (int index = 0; index < count; index++) {
879 xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
880 sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->getName());
882 xbt_dynar_push(res, &delm);
888 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
889 as->getGraph(graph, nodes, edges);