Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
e5afea3ef97a9e3c60f67462e415c92110747d1e
[simgrid.git] / src / surf / surf_routing.cpp
1 /* Copyright (c) 2009, 2010, 2011, 2013. The SimGrid Team.
2  * All rights reserved.                                                     */
3
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. */
6
7 #include "surf_routing.hpp"
8 #include "surf_routing_private.hpp"
9 #include "surf_routing_cluster.hpp"
10 #include "surf_routing_cluster_torus.hpp"
11
12
13 #include "simgrid/platf_interface.h"    // platform creation API internal interface
14 #include "simgrid/sg_config.h"
15
16 #include "surf/surfxml_parse_values.h"
17
18 /**
19  * @ingroup SURF_build_api
20  * @brief A library containing all known workstations
21  */
22 xbt_lib_t host_lib;
23
24 int ROUTING_HOST_LEVEL;         //Routing level
25 int SURF_CPU_LEVEL;             //Surf cpu level
26 int SURF_WKS_LEVEL;             //Surf workstation level
27 int SIMIX_HOST_LEVEL;           //Simix host level
28 int SIMIX_STORAGE_LEVEL;        //Simix storage level
29 int MSG_HOST_LEVEL;             //Msg host level
30 int MSG_STORAGE_LEVEL;          //Msg storage level
31 int SD_HOST_LEVEL;              //Simdag host level
32 int SD_STORAGE_LEVEL;           //Simdag storage level
33 int COORD_HOST_LEVEL=0;         //Coordinates level
34 int NS3_HOST_LEVEL;             //host node for ns3
35
36 /**
37  * @ingroup SURF_build_api
38  * @brief A library containing all known links
39  */
40 xbt_lib_t link_lib;
41 int SD_LINK_LEVEL;              //Simdag level
42 int SURF_LINK_LEVEL;            //Surf level
43 int NS3_LINK_LEVEL;             //link for ns3
44
45 xbt_lib_t as_router_lib;
46 int ROUTING_ASR_LEVEL;          //Routing level
47 int COORD_ASR_LEVEL;            //Coordinates level
48 int NS3_ASR_LEVEL;              //host node for ns3
49 int ROUTING_PROP_ASR_LEVEL;     //Where the properties are stored
50
51 static xbt_dict_t random_value = NULL;
52
53
54 /** @brief Retrieve a routing edge from its name
55  *
56  * Routing edges are either CPU/workstation and routers, whatever
57  */
58 RoutingEdgePtr sg_routing_edge_by_name_or_null(const char *name) {
59   RoutingEdgePtr net_elm = (RoutingEdgePtr) xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
60   if (!net_elm)
61         net_elm = (RoutingEdgePtr) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
62   return net_elm;
63 }
64
65 /* Global vars */
66 RoutingPlatfPtr routing_platf = NULL;
67 AsPtr current_routing = NULL;
68
69 /* global parse functions */
70 extern xbt_dynar_t mount_list;
71
72 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
73
74 static void routing_parse_peer(sg_platf_peer_cbarg_t peer);     /* peer bypass */
75 // static void routing_parse_Srandom(void);        /* random bypass */
76
77 static void routing_parse_postparse(void);
78
79 /* this lines are only for replace use like index in the model table */
80 typedef enum {
81   SURF_MODEL_FULL = 0,
82   SURF_MODEL_FLOYD,
83   SURF_MODEL_DIJKSTRA,
84   SURF_MODEL_DIJKSTRACACHE,
85   SURF_MODEL_NONE,
86   SURF_MODEL_VIVALDI,
87   SURF_MODEL_CLUSTER,
88   SURF_MODEL_TORUS_CLUSTER,
89
90 } e_routing_types;
91
92 struct s_model_type routing_models[] = {
93   {"Full",
94    "Full routing data (fast, large memory requirements, fully expressive)",
95    model_full_create, model_full_end},
96   {"Floyd",
97    "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
98    model_floyd_create, model_floyd_end},
99   {"Dijkstra",
100    "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
101    model_dijkstra_create, model_dijkstra_both_end},
102   {"DijkstraCache",
103    "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
104    model_dijkstracache_create, model_dijkstra_both_end},
105   {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
106    model_none_create,  NULL},
107   {"Vivaldi", "Vivaldi routing",
108    model_vivaldi_create, NULL},
109   {"Cluster", "Cluster routing",
110    model_cluster_create, NULL},
111    {"Torus_Cluster", "Torus Cluster routing",
112     model_torus_cluster_create, NULL},
113   {NULL, NULL, NULL, NULL}
114 };
115
116 /**
117  * \brief Add a "host_link" to the network element list
118  */
119 static void parse_S_host_link(sg_platf_host_link_cbarg_t host)
120 {
121   RoutingEdgePtr info = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL));
122   xbt_assert(info, "Host '%s' not found!", host->id);
123   xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER] ||
124       current_routing->p_modelDesc == &routing_models[SURF_MODEL_VIVALDI],
125       "You have to be in model Cluster to use tag host_link!");
126
127   s_surf_parsing_link_up_down_t link_up_down;
128   link_up_down.link_up = xbt_lib_get_or_null(link_lib, host->link_up, SURF_LINK_LEVEL);
129   link_up_down.link_down = xbt_lib_get_or_null(link_lib, host->link_down, SURF_LINK_LEVEL);
130
131   xbt_assert(link_up_down.link_up, "Link '%s' not found!",host->link_up);
132   xbt_assert(link_up_down.link_down, "Link '%s' not found!",host->link_down);
133
134   if(!current_routing->p_linkUpDownList)
135     current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
136
137   // If dynar is is greater than edge id and if the host_link is already defined
138   if((int)xbt_dynar_length(current_routing->p_linkUpDownList) > info->m_id &&
139       xbt_dynar_get_as(current_routing->p_linkUpDownList, info->m_id, void*))
140     xbt_die("Host_link for '%s' is already defined!",host->id);
141
142   XBT_DEBUG("Push Host_link for host '%s' to position %d", info->p_name, info->m_id);
143   xbt_dynar_set_as(current_routing->p_linkUpDownList, info->m_id, s_surf_parsing_link_up_down_t, link_up_down);
144 }
145
146 /**
147  * \brief Add a "host" to the network element list
148  */
149 static void parse_S_host(sg_platf_host_cbarg_t host)
150 {
151   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
152     current_routing->p_hierarchy = SURF_ROUTING_BASE;
153   xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
154              "Reading a host, processing unit \"%s\" already exists", host->id);
155
156   RoutingEdgePtr info = new RoutingEdge();
157   info->p_rcComponent = current_routing;
158   info->p_rcType = SURF_NETWORK_ELEMENT_HOST;
159   info->p_name = xbt_strdup(host->id);
160   info->m_id = current_routing->parsePU(info);
161   xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
162   XBT_DEBUG("Having set name '%s' id '%d'", host->id, info->m_id);
163
164   if(mount_list){
165     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
166     mount_list = NULL;
167   }
168
169   if (host->coord && strcmp(host->coord, "")) {
170     unsigned int cursor;
171     char*str;
172
173     if (!COORD_HOST_LEVEL)
174       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
175     /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
176     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
177     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
178     xbt_dynar_foreach(ctn_str,cursor, str) {
179       double val = atof(str);
180       xbt_dynar_push(ctn,&val);
181     }
182     xbt_dynar_shrink(ctn, 0);
183     xbt_dynar_free(&ctn_str);
184     xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
185     XBT_DEBUG("Having set host coordinates for '%s'",host->id);
186   }
187 }
188
189 /**
190  * \brief Add a "router" to the network element list
191  */
192 static void parse_S_router(sg_platf_router_cbarg_t router)
193 {
194   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
195     current_routing->p_hierarchy = SURF_ROUTING_BASE;
196   xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
197              "Reading a router, processing unit \"%s\" already exists",
198              router->id);
199
200   RoutingEdgePtr info = new RoutingEdge();
201   info->p_rcComponent = current_routing;
202   info->p_rcType = SURF_NETWORK_ELEMENT_ROUTER;
203   info->p_name = xbt_strdup(router->id);
204   info->m_id = current_routing->parsePU(info);
205   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
206   XBT_DEBUG("Having set name '%s' id '%d'", router->id, info->m_id);
207
208   if (router->coord && strcmp(router->coord, "")) {
209     unsigned int cursor;
210     char*str;
211
212     if (!COORD_ASR_LEVEL)
213       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
214     /* Pre-parse the host coordinates */
215     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
216     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
217     xbt_dynar_foreach(ctn_str,cursor, str) {
218       double val = atof(str);
219       xbt_dynar_push(ctn,&val);
220     }
221     xbt_dynar_shrink(ctn, 0);
222     xbt_dynar_free(&ctn_str);
223     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
224     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
225   }
226 }
227
228 /**
229  * \brief Store the route by calling the set_route function of the current routing component
230  */
231 static void parse_E_route(sg_platf_route_cbarg_t route)
232 {
233   /*FIXME:REMOVE:xbt_assert(current_routing->parse_route,
234              "no defined method \"set_route\" in \"%s\"",
235              current_routing->name);*/
236
237   current_routing->parseRoute(route);
238 }
239
240 /**
241  * \brief Store the ASroute by calling the set_ASroute function of the current routing component
242  */
243 static void parse_E_ASroute(sg_platf_route_cbarg_t ASroute)
244 {
245   /*FIXME:REMOVE:xbt_assert(current_routing->parse_ASroute,
246              "no defined method \"set_ASroute\" in \"%s\"",
247              current_routing->name);*/
248   current_routing->parseASroute(ASroute);
249 }
250
251 /**
252  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
253  */
254 static void parse_E_bypassRoute(sg_platf_route_cbarg_t route)
255 {
256   /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
257              "Bypassing mechanism not implemented by routing '%s'",
258              current_routing->name);*/
259
260   current_routing->parseBypassroute(route);
261 }
262
263 /**
264  * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
265  */
266 static void parse_E_bypassASroute(sg_platf_route_cbarg_t ASroute)
267 {
268   /*FIXME:REMOVE:xbt_assert(current_routing->parse_bypassroute,
269              "Bypassing mechanism not implemented by routing '%s'",
270              current_routing->name);*/
271   current_routing->parseBypassroute(ASroute);
272 }
273
274 static void routing_parse_trace(sg_platf_trace_cbarg_t trace)
275 {
276   tmgr_trace_t tmgr_trace;
277   if (!trace->file || strcmp(trace->file, "") != 0) {
278     tmgr_trace = tmgr_trace_new_from_file(trace->file);
279   } else if (strcmp(trace->pc_data, "") == 0) {
280     tmgr_trace = NULL;
281   } else {
282     tmgr_trace =
283           tmgr_trace_new_from_string(trace->id, trace->pc_data,
284                                      trace->periodicity);
285   }
286   xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
287 }
288
289 static void routing_parse_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
290 {
291   xbt_assert(xbt_dict_get_or_null
292               (traces_set_list, trace_connect->trace),
293               "Cannot connect trace %s to %s: trace unknown",
294               trace_connect->trace,
295               trace_connect->element);
296
297   switch (trace_connect->kind) {
298   case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
299     xbt_dict_set(trace_connect_list_host_avail,
300         trace_connect->trace,
301         xbt_strdup(trace_connect->element), NULL);
302     break;
303   case SURF_TRACE_CONNECT_KIND_POWER:
304     xbt_dict_set(trace_connect_list_power, trace_connect->trace,
305         xbt_strdup(trace_connect->element), NULL);
306     break;
307   case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
308     xbt_dict_set(trace_connect_list_link_avail,
309         trace_connect->trace,
310         xbt_strdup(trace_connect->element), NULL);
311     break;
312   case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
313     xbt_dict_set(trace_connect_list_bandwidth,
314         trace_connect->trace,
315         xbt_strdup(trace_connect->element), NULL);
316     break;
317   case SURF_TRACE_CONNECT_KIND_LATENCY:
318     xbt_dict_set(trace_connect_list_latency, trace_connect->trace,
319         xbt_strdup(trace_connect->element), NULL);
320     break;
321   default:
322     xbt_die("Cannot connect trace %s to %s: kind of trace unknown",
323         trace_connect->trace, trace_connect->element);
324     break;
325   }
326 }
327
328 /**
329  * \brief Make a new routing component to the platform
330  *
331  * Add a new autonomous system to the platform. Any elements (such as host,
332  * router or sub-AS) added after this call and before the corresponding call
333  * to sg_platf_new_AS_close() will be added to this AS.
334  *
335  * Once this function was called, the configuration concerning the used
336  * models cannot be changed anymore.
337  *
338  * @param AS_id name of this autonomous system. Must be unique in the platform
339  * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
340  */
341 void routing_AS_begin(sg_platf_AS_cbarg_t AS)
342 {
343   XBT_DEBUG("routing_AS_begin");
344   routing_model_description_t model = NULL;
345
346   xbt_assert(!xbt_lib_get_or_null
347              (as_router_lib, AS->id, ROUTING_ASR_LEVEL),
348              "The AS \"%s\" already exists", AS->id);
349
350   _sg_cfg_init_status = 2; /* horrible hack: direct access to the global
351                             * controlling the level of configuration to prevent
352                             * any further config */
353
354   /* search the routing model */
355   switch(AS->routing){
356     case A_surfxml_AS_routing_Cluster:         model = &routing_models[SURF_MODEL_CLUSTER];break;
357     case A_surfxml_AS_routing_Cluster___torus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break;
358     case A_surfxml_AS_routing_Dijkstra:        model = &routing_models[SURF_MODEL_DIJKSTRA];break;
359     case A_surfxml_AS_routing_DijkstraCache:   model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
360     case A_surfxml_AS_routing_Floyd:           model = &routing_models[SURF_MODEL_FLOYD];break;
361     case A_surfxml_AS_routing_Full:            model = &routing_models[SURF_MODEL_FULL];break;
362     case A_surfxml_AS_routing_None:            model = &routing_models[SURF_MODEL_NONE];break;
363     case A_surfxml_AS_routing_Vivaldi:         model = &routing_models[SURF_MODEL_VIVALDI];break;
364     default: xbt_die("Not a valid model!!!");
365     break;
366   }
367
368   /* make a new routing component */
369   AsPtr new_as = model->create();
370
371   new_as->p_modelDesc = model;
372   new_as->p_hierarchy = SURF_ROUTING_NULL;
373   new_as->p_name = xbt_strdup(AS->id);
374
375   RoutingEdgePtr info = new RoutingEdge();
376
377   if (current_routing == NULL && routing_platf->p_root == NULL) {
378
379     /* it is the first one */
380     new_as->p_routingFather = NULL;
381     routing_platf->p_root = new_as;
382     info->m_id = -1;
383   } else if (current_routing != NULL && routing_platf->p_root != NULL) {
384
385     xbt_assert(!xbt_dict_get_or_null
386                (current_routing->p_routingSons, AS->id),
387                "The AS \"%s\" already exists", AS->id);
388     /* it is a part of the tree */
389     new_as->p_routingFather = current_routing;
390     /* set the father behavior */
391     if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
392       current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
393     /* add to the sons dictionary */
394     xbt_dict_set(current_routing->p_routingSons, AS->id,
395                  (void *) new_as, NULL);
396     /* add to the father element list */
397     info->m_id = current_routing->parseAS(info);
398   } else {
399     THROWF(arg_error, 0, "All defined components must be belong to a AS");
400   }
401
402   info->p_rcComponent = new_as->p_routingFather;
403   info->p_rcType = SURF_NETWORK_ELEMENT_AS;
404   info->p_name = xbt_strdup(new_as->p_name);
405
406   xbt_lib_set(as_router_lib, info->p_name, ROUTING_ASR_LEVEL,
407               (void *) info);
408   XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, info->m_id);
409
410   /* set the new current component of the tree */
411   current_routing = new_as;
412   current_routing->p_netElem = info;
413
414 }
415
416 /**
417  * \brief Specify that the current description of AS is finished
418  *
419  * Once you've declared all the content of your AS, you have to close
420  * it with this call. Your AS is not usable until you call this function.
421  *
422  * @fixme: this call is not as robust as wanted: bad things WILL happen
423  * if you call it twice for the same AS, or if you forget calling it, or
424  * even if you add stuff to a closed AS
425  *
426  */
427 void routing_AS_end(sg_platf_AS_cbarg_t /*AS*/)
428 {
429
430   if (current_routing == NULL) {
431     THROWF(arg_error, 0, "Close an AS, but none was under construction");
432   } else {
433     if (current_routing->p_modelDesc->end)
434       current_routing->p_modelDesc->end(current_routing);
435     current_routing = current_routing->p_routingFather;
436   }
437 }
438
439 /* Aux Business methods */
440
441 /**
442  * \brief Get the AS father and the first elements of the chain
443  *
444  * \param src the source host name
445  * \param dst the destination host name
446  *
447  * Get the common father of the to processing units, and the first different
448  * father in the chain
449  */
450 static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst,
451                             AS_t * res_father,
452                             AS_t * res_src,
453                             AS_t * res_dst)
454 {
455   xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
456 #define ELEMENTS_FATHER_MAXDEPTH 16     /* increase if it is not enough */
457   AsPtr src_as, dst_as;
458   AsPtr path_src[ELEMENTS_FATHER_MAXDEPTH];
459   AsPtr path_dst[ELEMENTS_FATHER_MAXDEPTH];
460   int index_src = 0;
461   int index_dst = 0;
462   AsPtr current;
463   AsPtr current_src;
464   AsPtr current_dst;
465   AsPtr father;
466
467   /* (1) find the as where the src and dst are located */
468   sg_routing_edge_t src_data = src;
469   sg_routing_edge_t dst_data = dst;
470   src_as = src_data->p_rcComponent;
471   dst_as = dst_data->p_rcComponent;
472 #ifndef NDEBUG
473   char* src_name = src_data->p_name;
474   char* dst_name = dst_data->p_name;
475 #endif
476
477   xbt_assert(src_as && dst_as,
478              "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
479
480   /* (2) find the path to the root routing component */
481   for (current = src_as; current != NULL; current = current->p_routingFather) {
482     if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
483       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
484     path_src[index_src++] = current;
485   }
486   for (current = dst_as; current != NULL; current = current->p_routingFather) {
487     if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
488       xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
489     path_dst[index_dst++] = current;
490   }
491
492   /* (3) find the common father */
493   do {
494     current_src = path_src[--index_src];
495     current_dst = path_dst[--index_dst];
496   } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
497
498   /* (4) they are not in the same routing component, make the path */
499   if (current_src == current_dst)
500     father = current_src;
501   else
502     father = path_src[index_src + 1];
503
504   /* (5) result generation */
505   *res_father = father;         /* first the common father of src and dst */
506   *res_src = current_src;       /* second the first different father of src */
507   *res_dst = current_dst;       /* three  the first different father of dst */
508
509 #undef ELEMENTS_FATHER_MAXDEPTH
510 }
511
512 /* Global Business methods */
513
514 /**
515  * \brief Recursive function for get_route_latency
516  *
517  * \param src the source host name
518  * \param dst the destination host name
519  * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
520  * \param *latency the latency, if needed
521  *
522  * This function is called by "get_route" and "get_latency". It allows to walk
523  * recursively through the ASes tree.
524  */
525 static void _get_route_and_latency(RoutingEdgePtr src, RoutingEdgePtr dst,
526                                    xbt_dynar_t * links, double *latency)
527 {
528   s_sg_platf_route_cbarg_t route;
529   memset(&route,0,sizeof(route));
530
531   xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
532   XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src->p_name, dst->p_name);
533
534   /* Find how src and dst are interconnected */
535   AsPtr common_father, src_father, dst_father;
536   elements_father(src, dst, &common_father, &src_father, &dst_father);
537   XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
538       common_father->p_name, src_father->p_name, dst_father->p_name);
539
540   /* Check whether a direct bypass is defined */
541   sg_platf_route_cbarg_t e_route_bypass = NULL;
542   //FIXME:REMOVE:if (common_father->get_bypass_route)
543
544   e_route_bypass = common_father->getBypassRoute(src, dst, latency);
545
546   /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
547   if (e_route_bypass) {
548     xbt_dynar_merge(links, &e_route_bypass->link_list);
549     generic_free_route(e_route_bypass);
550     return;
551   }
552
553   /* If src and dst are in the same AS, life is good */
554   if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
555     route.link_list = *links;
556     common_father->getRouteAndLatency(src, dst, &route, latency);
557     // if vivaldi latency+=vivaldi(src,dst)
558     return;
559   }
560
561   /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
562
563   route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
564   // Find the net_card corresponding to father
565   RoutingEdgePtr src_father_net_elm = src_father->p_netElem;
566   RoutingEdgePtr dst_father_net_elm = dst_father->p_netElem;
567
568   common_father->getRouteAndLatency(src_father_net_elm, dst_father_net_elm,
569                                     &route, latency);
570
571   xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
572       "bad gateways for route from \"%s\" to \"%s\"", src->p_name, dst->p_name);
573
574   sg_routing_edge_t src_gateway_net_elm = route.gw_src;
575   sg_routing_edge_t dst_gateway_net_elm = route.gw_dst;
576
577   /* If source gateway is not our source, we have to recursively find our way up to this point */
578   if (src != src_gateway_net_elm)
579     _get_route_and_latency(src, src_gateway_net_elm, links, latency);
580   xbt_dynar_merge(links, &route.link_list);
581
582   /* If dest gateway is not our destination, we have to recursively find our way from this point */
583   if (dst_gateway_net_elm != dst)
584     _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
585
586   // if vivaldi latency+=vivaldi(src_gateway,dst_gateway)
587 }
588
589 AS_t surf_platf_get_root(routing_platf_t platf){
590   return platf->p_root;
591 }
592
593 e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_routing_edge_t edge){
594   return edge->p_rcType;
595 }
596
597
598 /**
599  * \brief Find a route between hosts
600  *
601  * \param src the network_element_t for src host
602  * \param dst the network_element_t for dst host
603  * \param route where to store the list of links.
604  *              If *route=NULL, create a short lived dynar. Else, fill the provided dynar
605  * \param latency where to store the latency experienced on the path (or NULL if not interested)
606  *                It is the caller responsability to initialize latency to 0 (we add to provided route)
607  * \pre route!=NULL
608  *
609  * walk through the routing components tree and find a route between hosts
610  * by calling the differents "get_route" functions in each routing component.
611  */
612 void RoutingPlatf::getRouteAndLatency(RoutingEdgePtr src, RoutingEdgePtr dst,
613                                    xbt_dynar_t* route, double *latency)
614 {
615   XBT_DEBUG("routing_get_route_and_latency from %s to %s", src->p_name, dst->p_name);
616   if (!*route) {
617     xbt_dynar_reset(routing_platf->p_lastRoute);
618     *route = routing_platf->p_lastRoute;
619   }
620
621   _get_route_and_latency(src, dst, route, latency);
622
623   xbt_assert(!latency || *latency >= 0.0,
624              "negative latency on route between \"%s\" and \"%s\"", src->p_name, dst->p_name);
625 }
626
627 xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
628   return recursiveGetOneLinkRoutes(p_root);
629 }
630
631 xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(AsPtr rc)
632 {
633   xbt_dynar_t ret = xbt_dynar_new(sizeof(OnelinkPtr), xbt_free);
634
635   //adding my one link routes
636   xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
637   if (onelink_mine)
638     xbt_dynar_merge(&ret,&onelink_mine);
639
640   //recursing
641   char *key;
642   xbt_dict_cursor_t cursor = NULL;
643   AS_t rc_child;
644   xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
645     xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
646     if (onelink_child)
647       xbt_dynar_merge(&ret,&onelink_child);
648   }
649   return ret;
650 }
651
652 e_surf_network_element_type_t routing_get_network_element_type(const char *name)
653 {
654   RoutingEdgePtr rc = sg_routing_edge_by_name_or_null(name);
655   if (rc)
656     return rc->p_rcType;
657
658   return SURF_NETWORK_ELEMENT_NULL;
659 }
660
661 /**
662  * \brief Generic method: create the global routing schema
663  *
664  * Make a global routing structure and set all the parsing functions.
665  */
666 void routing_model_create( void *loopback)
667 {
668   /* config the uniq global routing */
669   routing_platf = new RoutingPlatf();
670   routing_platf->p_root = NULL;
671   routing_platf->p_loopback = loopback;
672   routing_platf->p_lastRoute = xbt_dynar_new(sizeof(sg_routing_link_t),NULL);
673   /* no current routing at moment */
674   current_routing = NULL;
675 }
676
677
678 /* ************************************************** */
679 /* ********** PATERN FOR NEW ROUTING **************** */
680
681 /* The minimal configuration of a new routing model need the next functions,
682  * also you need to set at the start of the file, the new model in the model
683  * list. Remember keep the null ending of the list.
684  */
685 /*** Routing model structure ***/
686 // typedef struct {
687 //   s_routing_component_t generic_routing;
688 //   /* things that your routing model need */
689 // } s_routing_component_NEW_t,*routing_component_NEW_t;
690
691 /*** Parse routing model functions ***/
692 // static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
693 // static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
694 // static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
695 // static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
696 // static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
697
698 /*** Business methods ***/
699 // static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
700 // static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
701 // static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
702
703 /*** Creation routing model functions ***/
704 // static void* model_NEW_create(void) {
705 //   routing_component_NEW_t new_component =  xbt_new0(s_routing_component_NEW_t,1);
706 //   new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
707 //   new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
708 //   new_component->generic_routing.set_route = model_NEW_set_route;
709 //   new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
710 //   new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
711 //   new_component->generic_routing.get_route = NEW_get_route;
712 //   new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
713 //   new_component->generic_routing.finalize = NEW_finalize;
714 //   /* initialization of internal structures */
715 //   return new_component;
716 // } /* mandatory */
717 // static void  model_NEW_load(void) {}   /* mandatory */
718 // static void  model_NEW_unload(void) {} /* mandatory */
719 // static void  model_NEW_end(void) {}    /* mandatory */
720
721 /* ************************************************************************** */
722 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
723
724 void routing_cluster_add_backbone(void* bb) {
725   xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER],
726         "You have to be in model Cluster to use tag backbone!");
727   xbt_assert(!surf_as_cluster_get_backbone(current_routing), "The backbone link is already defined!");
728   surf_as_cluster_set_backbone(current_routing, bb);
729   XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
730 }
731
732 static void routing_parse_cabinet(sg_platf_cabinet_cbarg_t cabinet)
733 {
734   int start, end, i;
735   char *groups , *host_id , *link_id = NULL;
736   unsigned int iter;
737   xbt_dynar_t radical_elements;
738   xbt_dynar_t radical_ends;
739
740   //Make all hosts
741   radical_elements = xbt_str_split(cabinet->radical, ",");
742   xbt_dynar_foreach(radical_elements, iter, groups) {
743
744     radical_ends = xbt_str_split(groups, "-");
745     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
746
747     switch (xbt_dynar_length(radical_ends)) {
748     case 1:
749       end = start;
750       break;
751     case 2:
752       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
753       break;
754     default:
755       surf_parse_error("Malformed radical");
756       break;
757     }
758     s_sg_platf_host_cbarg_t host;
759     memset(&host, 0, sizeof(host));
760     host.initial_state = SURF_RESOURCE_ON;
761     host.pstate = 0;
762     host.power_scale = 1.0;
763     host.core_amount = 1;
764
765     s_sg_platf_link_cbarg_t link;
766     memset(&link, 0, sizeof(link));
767     link.state = SURF_RESOURCE_ON;
768     link.policy = SURF_LINK_FULLDUPLEX;
769     link.latency = cabinet->lat;
770     link.bandwidth = cabinet->bw;
771
772     s_sg_platf_host_link_cbarg_t host_link;
773     memset(&host_link, 0, sizeof(host_link));
774
775     for (i = start; i <= end; i++) {
776       host_id = bprintf("%s%d%s",cabinet->prefix,i,cabinet->suffix);
777       link_id = bprintf("link_%s%d%s",cabinet->prefix,i,cabinet->suffix);
778       host.id = host_id;
779       link.id = link_id;
780       xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
781       xbt_dynar_push(power_state_list,&cabinet->power);
782       host.power_peak = power_state_list;
783       sg_platf_new_host(&host);
784       sg_platf_new_link(&link);
785
786       char* link_up = bprintf("%s_UP",link_id);
787       char* link_down = bprintf("%s_DOWN",link_id);
788       host_link.id = host_id;
789       host_link.link_up = link_up;
790       host_link.link_down= link_down;
791       sg_platf_new_host_link(&host_link);
792
793       free(host_id);
794       free(link_id);
795       free(link_up);
796       free(link_down);
797     }
798
799     xbt_dynar_free(&radical_ends);
800   }
801   xbt_dynar_free(&radical_elements);
802 }
803
804 static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
805 {
806   char *host_id, *groups, *link_id = NULL;
807   xbt_dict_t patterns = NULL;
808   int rankId=0;
809
810   s_sg_platf_host_cbarg_t host;
811   s_sg_platf_link_cbarg_t link;
812
813   unsigned int iter;
814   int start, end, i;
815   xbt_dynar_t radical_elements;
816   xbt_dynar_t radical_ends;
817
818   if ((cluster->availability_trace && strcmp(cluster->availability_trace, ""))
819       || (cluster->state_trace && strcmp(cluster->state_trace, ""))) {
820     patterns = xbt_dict_new_homogeneous(xbt_free_f);
821     xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
822     xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
823     xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
824   }
825
826   /* parse the topology attribute. If we are not in a flat cluster,
827    * switch to the right mode and initialize the routing with
828    * the parameters in topo_parameters attribute
829    */
830   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
831   AS.id = cluster->id;
832
833   if(cluster->topology == SURF_CLUSTER_TORUS){
834       XBT_DEBUG("<AS id=\"%s\"\trouting=\"Torus_Cluster\">", cluster->id);
835       AS.routing = A_surfxml_AS_routing_Cluster___torus;
836       sg_platf_new_AS_begin(&AS);
837       ((AsClusterTorusPtr)current_routing)->parse_specific_arguments(cluster);
838   }else{
839     XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
840     AS.routing = A_surfxml_AS_routing_Cluster;
841     sg_platf_new_AS_begin(&AS);
842   }
843
844   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
845       ((AsClusterPtr)current_routing)->p_nb_links_per_node++;
846       ((AsClusterPtr)current_routing)->p_has_loopback=1;
847   }
848
849   if(cluster->limiter_link!=0){
850       ((AsClusterPtr)current_routing)->p_nb_links_per_node++;
851       ((AsClusterPtr)current_routing)->p_has_limiter=1;
852   }
853
854
855
856   current_routing->p_linkUpDownList
857             = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
858
859   //Make all hosts
860   radical_elements = xbt_str_split(cluster->radical, ",");
861   xbt_dynar_foreach(radical_elements, iter, groups) {
862
863     radical_ends = xbt_str_split(groups, "-");
864     start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
865
866     switch (xbt_dynar_length(radical_ends)) {
867     case 1:
868       end = start;
869       break;
870     case 2:
871       end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
872       break;
873     default:
874       surf_parse_error("Malformed radical");
875       break;
876     }
877     for (i = start; i <= end; i++) {
878       host_id =
879           bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
880       link_id = bprintf("%s_link_%d", cluster->id, i);
881
882       XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
883
884       memset(&host, 0, sizeof(host));
885       host.id = host_id;
886       if (cluster->availability_trace && strcmp(cluster->availability_trace, "")) {
887         xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
888         char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
889         XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
890         host.power_trace = tmgr_trace_new_from_file(avail_file);
891         xbt_free(avail_file);
892       } else {
893         XBT_DEBUG("\tavailability_file=\"\"");
894       }
895
896       if (cluster->state_trace && strcmp(cluster->state_trace, "")) {
897         char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
898         XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
899         host.state_trace = tmgr_trace_new_from_file(avail_file);
900         xbt_free(avail_file);
901       } else {
902         XBT_DEBUG("\tstate_file=\"\"");
903       }
904
905       xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
906       xbt_dynar_push(power_state_list,&cluster->power);
907       host.power_peak = power_state_list;
908       host.pstate = 0;
909
910       //host.power_peak = cluster->power;
911       host.power_scale = 1.0;
912       host.core_amount = cluster->core_amount;
913       host.initial_state = SURF_RESOURCE_ON;
914       host.coord = "";
915       sg_platf_new_host(&host);
916       XBT_DEBUG("</host>");
917
918       XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
919                 cluster->bw, cluster->lat);
920
921
922       s_surf_parsing_link_up_down_t info_lim, info_loop;
923       // All links are saved in a matrix;
924       // every row describes a single node; every node
925       // may have multiple links.
926       // the first column may store a link from x to x if p_has_loopback is set
927       // the second column may store a limiter link if p_has_limiter is set
928       // other columns are to store one or more link for the node
929
930       //add a loopback link
931       if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
932         char *tmp_link = bprintf("%s_loopback", link_id);
933         XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
934                 cluster->limiter_link);
935
936
937         memset(&link, 0, sizeof(link));
938         link.id = tmp_link;
939         link.bandwidth = cluster->loopback_bw;
940         link.latency = cluster->loopback_lat;
941         link.state = SURF_RESOURCE_ON;
942         link.policy = SURF_LINK_FATPIPE;
943         sg_platf_new_link(&link);
944         info_loop.link_up =
945             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
946         info_loop.link_down = info_loop.link_up;
947         free(tmp_link);
948         xbt_dynar_set(current_routing->p_linkUpDownList, rankId*((AsClusterPtr)current_routing)->p_nb_links_per_node, &info_loop);
949       }
950
951       //add a limiter link (shared link to account for maximal bandwidth of the node)
952       if(cluster->limiter_link!=0){
953         char *tmp_link = bprintf("%s_limiter", link_id);
954         XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link,
955                 cluster->limiter_link);
956
957
958         memset(&link, 0, sizeof(link));
959         link.id = tmp_link;
960         link.bandwidth = cluster->limiter_link;
961         link.latency = 0;
962         link.state = SURF_RESOURCE_ON;
963         link.policy = SURF_LINK_SHARED;
964         sg_platf_new_link(&link);
965         info_lim.link_up =
966             xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
967         info_lim.link_down = info_lim.link_up;
968         free(tmp_link);
969         xbt_dynar_set(current_routing->p_linkUpDownList,
970             rankId*((AsClusterPtr)current_routing)->p_nb_links_per_node + ((AsClusterPtr)current_routing)->p_has_loopback ,
971             &info_lim);
972
973       }
974
975
976       //call the cluster function that adds the others links
977
978       ((AsClusterPtr)current_routing)->create_links_for_node(cluster, i, rankId, rankId*
979           ((AsClusterPtr)current_routing)->p_nb_links_per_node
980           + ((AsClusterPtr)current_routing)->p_has_loopback
981           + ((AsClusterPtr)current_routing)->p_has_limiter );
982
983       xbt_free(link_id);
984       xbt_free(host_id);
985       rankId++;
986     }
987
988     xbt_dynar_free(&radical_ends);
989   }
990   xbt_dynar_free(&radical_elements);
991
992   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
993   // and it's very useful to connect clusters together
994   XBT_DEBUG(" ");
995   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
996   char *newid = NULL;
997   s_sg_platf_router_cbarg_t router;
998   memset(&router, 0, sizeof(router));
999   router.id = cluster->router_id;
1000   router.coord = "";
1001   if (!router.id || !strcmp(router.id, ""))
1002     router.id = newid =
1003         bprintf("%s%s_router%s", cluster->prefix, cluster->id,
1004                 cluster->suffix);
1005   sg_platf_new_router(&router);
1006   ((AsClusterPtr)current_routing)->p_router = (RoutingEdgePtr) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
1007   free(newid);
1008
1009   //Make the backbone
1010   if ((cluster->bb_bw != 0) || (cluster->bb_lat != 0)) {
1011     char *link_backbone = bprintf("%s_backbone", cluster->id);
1012     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
1013               cluster->bb_bw, cluster->bb_lat);
1014
1015     memset(&link, 0, sizeof(link));
1016     link.id = link_backbone;
1017     link.bandwidth = cluster->bb_bw;
1018     link.latency = cluster->bb_lat;
1019     link.state = SURF_RESOURCE_ON;
1020     link.policy = cluster->bb_sharing_policy;
1021
1022     sg_platf_new_link(&link);
1023
1024     routing_cluster_add_backbone(xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL));
1025
1026     free(link_backbone);
1027   }
1028
1029   XBT_DEBUG("</AS>");
1030   sg_platf_new_AS_end();
1031   XBT_DEBUG(" ");
1032   xbt_dict_free(&patterns); // no op if it were never set
1033 }
1034
1035 static void routing_parse_postparse(void) {
1036   xbt_dict_free(&random_value);
1037 }
1038
1039 static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
1040 {
1041   char *host_id = NULL;
1042   char *link_id = NULL;
1043   char *router_id = NULL;
1044
1045   XBT_DEBUG(" ");
1046   host_id = HOST_PEER(peer->id);
1047   link_id = LINK_PEER(peer->id);
1048   router_id = ROUTER_PEER(peer->id);
1049
1050   XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
1051   s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
1052   AS.id = peer->id;
1053   AS.routing = A_surfxml_AS_routing_Cluster;
1054   sg_platf_new_AS_begin(&AS);
1055
1056   current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
1057
1058   XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
1059   s_sg_platf_host_cbarg_t host;
1060   memset(&host, 0, sizeof(host));
1061   host.initial_state = SURF_RESOURCE_ON;
1062   host.id = host_id;
1063
1064   xbt_dynar_t power_state_list = xbt_dynar_new(sizeof(double), NULL);
1065   xbt_dynar_push(power_state_list,&peer->power);
1066   host.power_peak = power_state_list;
1067   host.pstate = 0;
1068   //host.power_peak = peer->power;
1069   host.power_scale = 1.0;
1070   host.power_trace = peer->availability_trace;
1071   host.state_trace = peer->state_trace;
1072   host.core_amount = 1;
1073   sg_platf_new_host(&host);
1074
1075   s_sg_platf_link_cbarg_t link;
1076   memset(&link, 0, sizeof(link));
1077   link.state = SURF_RESOURCE_ON;
1078   link.policy = SURF_LINK_SHARED;
1079   link.latency = peer->lat;
1080
1081   char* link_up = bprintf("%s_UP",link_id);
1082   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
1083             peer->bw_out, peer->lat);
1084   link.id = link_up;
1085   link.bandwidth = peer->bw_out;
1086   sg_platf_new_link(&link);
1087
1088   char* link_down = bprintf("%s_DOWN",link_id);
1089   XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
1090             peer->bw_in, peer->lat);
1091   link.id = link_down;
1092   link.bandwidth = peer->bw_in;
1093   sg_platf_new_link(&link);
1094
1095   XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
1096   s_sg_platf_host_link_cbarg_t host_link;
1097   memset(&host_link, 0, sizeof(host_link));
1098   host_link.id = host_id;
1099   host_link.link_up = link_up;
1100   host_link.link_down= link_down;
1101   sg_platf_new_host_link(&host_link);
1102
1103   XBT_DEBUG("<router id=\"%s\"/>", router_id);
1104   s_sg_platf_router_cbarg_t router;
1105   memset(&router, 0, sizeof(router));
1106   router.id = router_id;
1107   router.coord = peer->coord;
1108   sg_platf_new_router(&router);
1109   static_cast<AsClusterPtr>(current_routing)->p_router = static_cast<RoutingEdgePtr>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
1110
1111   XBT_DEBUG("</AS>");
1112   sg_platf_new_AS_end();
1113   XBT_DEBUG(" ");
1114
1115   //xbt_dynar_free(&tab_elements_num);
1116   free(router_id);
1117   free(host_id);
1118   free(link_id);
1119   free(link_up);
1120   free(link_down);
1121 }
1122
1123 // static void routing_parse_Srandom(void)
1124 // {
1125 //   double mean, std, min, max, seed;
1126 //   char *random_id = A_surfxml_random_id;
1127 //   char *random_radical = A_surfxml_random_radical;
1128 //   char *rd_name = NULL;
1129 //   char *rd_value;
1130 //   mean = surf_parse_get_double(A_surfxml_random_mean);
1131 //   std = surf_parse_get_double(A_surfxml_random_std___deviation);
1132 //   min = surf_parse_get_double(A_surfxml_random_min);
1133 //   max = surf_parse_get_double(A_surfxml_random_max);
1134 //   seed = surf_parse_get_double(A_surfxml_random_seed);
1135
1136 //   double res = 0;
1137 //   int i = 0;
1138 //   random_data_t random = xbt_new0(s_random_data_t, 1);
1139 //   char *tmpbuf;
1140
1141 //   xbt_dynar_t radical_elements;
1142 //   unsigned int iter;
1143 //   char *groups;
1144 //   int start, end;
1145 //   xbt_dynar_t radical_ends;
1146
1147 //   switch (A_surfxml_random_generator) {
1148 //   case AU_surfxml_random_generator:
1149 //   case A_surfxml_random_generator_NONE:
1150 //     random->generator = NONE;
1151 //     break;
1152 //   case A_surfxml_random_generator_DRAND48:
1153 //     random->generator = DRAND48;
1154 //     break;
1155 //   case A_surfxml_random_generator_RAND:
1156 //     random->generator = RAND;
1157 //     break;
1158 //   case A_surfxml_random_generator_RNGSTREAM:
1159 //     random->generator = RNGSTREAM;
1160 //     break;
1161 //   default:
1162 //     surf_parse_error("Invalid random generator");
1163 //     break;
1164 //   }
1165 //   random->seed = seed;
1166 //   random->min = min;
1167 //   random->max = max;
1168
1169 //   /* Check user stupidities */
1170 //   if (max < min)
1171 //     THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
1172 //   if (mean < min)
1173 //     THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
1174 //   if (mean > max)
1175 //     THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
1176
1177 //   /* normalize the mean and standard deviation before storing */
1178 //   random->mean = (mean - min) / (max - min);
1179 //   random->std = std / (max - min);
1180
1181 //   if (random->mean * (1 - random->mean) < random->std * random->std)
1182 //     THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
1183 //            random->mean, random->std);
1184
1185 //   XBT_DEBUG
1186 //       ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
1187 //        random_id, random->min, random->max, random->mean, random->std,
1188 //        (int)random->generator, random->seed, random_radical);
1189
1190 //   if (!random_value)
1191 //     random_value = xbt_dict_new_homogeneous(free);
1192
1193 //   if (!strcmp(random_radical, "")) {
1194 //     res = random_generate(random);
1195 //     rd_value = bprintf("%f", res);
1196 //     xbt_dict_set(random_value, random_id, rd_value, NULL);
1197 //   } else {
1198 //     radical_elements = xbt_str_split(random_radical, ",");
1199 //     xbt_dynar_foreach(radical_elements, iter, groups) {
1200 //       radical_ends = xbt_str_split(groups, "-");
1201 //       switch (xbt_dynar_length(radical_ends)) {
1202 //       case 1:
1203 //         xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1204 //                    "Custom Random '%s' already exists !", random_id);
1205 //         res = random_generate(random);
1206 //         tmpbuf =
1207 //             bprintf("%s%d", random_id,
1208 //                     atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
1209 //         xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1210 //         xbt_free(tmpbuf);
1211 //         break;
1212
1213 //       case 2:
1214 //         start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
1215 //         end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
1216 //         for (i = start; i <= end; i++) {
1217 //           xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
1218 //                      "Custom Random '%s' already exists !", bprintf("%s%d",
1219 //                                                                     random_id,
1220 //                                                                     i));
1221 //           res = random_generate(random);
1222 //           tmpbuf = bprintf("%s%d", random_id, i);
1223 //           xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
1224 //           xbt_free(tmpbuf);
1225 //         }
1226 //         break;
1227 //       default:
1228 //         XBT_CRITICAL("Malformed radical");
1229 //         break;
1230 //       }
1231 //       res = random_generate(random);
1232 //       rd_name = bprintf("%s_router", random_id);
1233 //       rd_value = bprintf("%f", res);
1234 //       xbt_dict_set(random_value, rd_name, rd_value, NULL);
1235
1236 //       xbt_dynar_free(&radical_ends);
1237 //     }
1238 //     free(rd_name);
1239 //     xbt_dynar_free(&radical_elements);
1240 //   }
1241 // }
1242
1243 void routing_register_callbacks()
1244 {
1245   sg_platf_host_add_cb(parse_S_host);
1246   sg_platf_router_add_cb(parse_S_router);
1247   sg_platf_host_link_add_cb(parse_S_host_link);
1248   sg_platf_route_add_cb(parse_E_route);
1249   sg_platf_ASroute_add_cb(parse_E_ASroute);
1250   sg_platf_bypassRoute_add_cb(parse_E_bypassRoute);
1251   sg_platf_bypassASroute_add_cb(parse_E_bypassASroute);
1252
1253   sg_platf_cluster_add_cb(routing_parse_cluster);
1254   sg_platf_cabinet_add_cb(routing_parse_cabinet);
1255
1256   sg_platf_peer_add_cb(routing_parse_peer);
1257   sg_platf_postparse_add_cb(routing_parse_postparse);
1258
1259   /* we care about the ASes while parsing the platf. Incredible, isnt it? */
1260   sg_platf_AS_end_add_cb(routing_AS_end);
1261   sg_platf_AS_begin_add_cb(routing_AS_begin);
1262
1263   sg_platf_trace_add_cb(routing_parse_trace);
1264   sg_platf_trace_connect_add_cb(routing_parse_trace_connect);
1265
1266 #ifdef HAVE_TRACING
1267   instr_routing_define_callbacks();
1268 #endif
1269 }
1270
1271 /**
1272  * \brief Recursive function for finalize
1273  *
1274  * \param rc the source host name
1275  *
1276  * This fuction is call by "finalize". It allow to finalize the
1277  * AS or routing components. It delete all the structures.
1278  */
1279 static void finalize_rec(AsPtr as) {
1280   xbt_dict_cursor_t cursor = NULL;
1281   char *key;
1282   AS_t elem;
1283
1284   xbt_dict_foreach(as->p_routingSons, cursor, key, elem) {
1285     finalize_rec(elem);
1286   }
1287
1288   delete as;;
1289 }
1290
1291 /** \brief Frees all memory allocated by the routing module */
1292 void routing_exit(void) {
1293   delete routing_platf;
1294 }
1295
1296 RoutingPlatf::~RoutingPlatf()
1297 {
1298         xbt_dynar_free(&p_lastRoute);
1299         finalize_rec(p_root);
1300 }
1301
1302 AS_t surf_AS_get_routing_root() {
1303   return routing_platf->p_root;
1304 }
1305
1306 const char *surf_AS_get_name(AsPtr as) {
1307   return as->p_name;
1308 }
1309
1310 xbt_dict_t surf_AS_get_routing_sons(AsPtr as) {
1311   return as->p_routingSons;
1312 }
1313
1314 const char *surf_AS_get_model(AsPtr as) {
1315   return as->p_modelDesc->name;
1316 }
1317
1318 xbt_dynar_t surf_AS_get_hosts(AsPtr as) {
1319   xbt_dynar_t elms = as->p_indexNetworkElm;
1320   sg_routing_edge_t relm;
1321   xbt_dictelm_t delm;
1322   int index;
1323   int count = xbt_dynar_length(elms);
1324   xbt_dynar_t res =  xbt_dynar_new(sizeof(xbt_dictelm_t), NULL);
1325   for (index = 0; index < count; index++) {
1326      relm = xbt_dynar_get_as(elms, index, RoutingEdgePtr);
1327      delm = xbt_lib_get_elm_or_null(host_lib, relm->p_name);
1328      if (delm!=NULL) {
1329        xbt_dynar_push(res, &delm);
1330      }
1331   }
1332   return res;
1333 }
1334
1335 void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
1336   as->getGraph(graph, nodes, edges);
1337 }
1338