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Move the surf::As* classes into their own files
[simgrid.git] / src / surf / surf_routing.cpp
index 1ef547b..4dba6f1 100644 (file)
@@ -5,17 +5,11 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "surf_routing.hpp"
-#include "surf_routing_cluster.hpp"
 
 #include "simgrid/sg_config.h"
 #include "storage_interface.hpp"
 
-#include "src/surf/surf_routing_cluster_torus.hpp"
-#include "src/surf/surf_routing_cluster_fat_tree.hpp"
-#include "src/surf/surf_routing_dijkstra.hpp"
-#include "src/surf/surf_routing_floyd.hpp"
-#include "src/surf/surf_routing_full.hpp"
-#include "src/surf/surf_routing_vivaldi.hpp"
+#include "src/surf/AsImpl.hpp"
 #include "src/surf/xml/platf.hpp" // FIXME: move that back to the parsing area
 
 #include <vector>
@@ -27,180 +21,8 @@ namespace surf {
 
   /* Callbacks */
   simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
-  simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
-
-  As::As(const char*name)
-  : name_(xbt_strdup(name))
-  {}
-  As::~As()
-  {
-    xbt_dict_free(&sons_);
-    xbt_dynar_free(&vertices_);
-    xbt_dynar_free(&upDownLinks);
-    if (nullptr != bypassRoutes_)
-      for (auto &kv : *bypassRoutes_)
-        delete kv.second;
-    delete bypassRoutes_;
-    xbt_free(name_);
-    delete netcard_;
-  }
-  void As::Seal()
-  {
-    sealed_ = true;
-  }
-
-  xbt_dynar_t As::getOneLinkRoutes() {
-    return NULL;
-  }
-
-  int As::addComponent(NetCard *elm) {
-    XBT_DEBUG("Load component \"%s\"", elm->name());
-    xbt_dynar_push_as(vertices_, NetCard*, elm);
-    return xbt_dynar_length(vertices_)-1;
-  }
-
-  void As::addRoute(sg_platf_route_cbarg_t /*route*/){
-    xbt_die("AS %s does not accept new routes (wrong class).",name_);
-  }
-
-  std::vector<Link*> *As::getBypassRoute(NetCard *src, NetCard *dst)
-  {
-    // If never set a bypass route return NULL without any further computations
-    XBT_DEBUG("generic_get_bypassroute from %s to %s", src->name(), dst->name());
-    if (bypassRoutes_ == nullptr)
-      return nullptr;
-
-    std::vector<Link*> *bypassedRoute = nullptr;
-
-    if(dst->containingAS() == this && src->containingAS() == this ){
-      char *route_name = bprintf("%s#%s", src->name(), dst->name());
-      if (bypassRoutes_->find(route_name) != bypassRoutes_->end()) {
-        bypassedRoute = bypassRoutes_->at(route_name);
-        XBT_DEBUG("Found a bypass route with %zu links",bypassedRoute->size());
-      }
-      free(route_name);
-      return bypassedRoute;
-    }
-
-    int index_src, index_dst;
-    As **current_src = NULL;
-    As **current_dst = NULL;
-
-    As *src_as = src->containingAS();
-    As *dst_as = dst->containingAS();
-
-    /* (2) find the path to the root routing component */
-    xbt_dynar_t path_src = xbt_dynar_new(sizeof(As*), NULL);
-    As *current = src_as;
-    while (current != NULL) {
-      xbt_dynar_push(path_src, &current);
-      current = current->father_;
-    }
-    xbt_dynar_t path_dst = xbt_dynar_new(sizeof(As*), NULL);
-    current = dst_as;
-    while (current != NULL) {
-      xbt_dynar_push(path_dst, &current);
-      current = current->father_;
-    }
-
-    /* (3) find the common father */
-    index_src = path_src->used - 1;
-    index_dst = path_dst->used - 1;
-    current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
-    current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
-    while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
-      xbt_dynar_pop_ptr(path_src);
-      xbt_dynar_pop_ptr(path_dst);
-      index_src--;
-      index_dst--;
-      current_src = (As **) xbt_dynar_get_ptr(path_src, index_src);
-      current_dst = (As **) xbt_dynar_get_ptr(path_dst, index_dst);
-    }
+  simgrid::xbt::signal<void(simgrid::s4u::As*)> asCreatedCallbacks;
 
-    int max_index_src = path_src->used - 1;
-    int max_index_dst = path_dst->used - 1;
-
-    int max_index = std::max(max_index_src, max_index_dst);
-
-    for (int max = 0; max <= max_index; max++) {
-      for (int i = 0; i < max; i++) {
-        if (i <= max_index_src && max <= max_index_dst) {
-          char *route_name = bprintf("%s#%s",
-              (*(As **) (xbt_dynar_get_ptr(path_src, i)))->name_,
-              (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
-          if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
-            bypassedRoute = bypassRoutes_->at(route_name);
-          xbt_free(route_name);
-        }
-        if (bypassedRoute)
-          break;
-        if (max <= max_index_src && i <= max_index_dst) {
-          char *route_name = bprintf("%s#%s",
-              (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
-              (*(As **) (xbt_dynar_get_ptr(path_dst, i)))->name_);
-          if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
-            bypassedRoute = bypassRoutes_->at(route_name);
-          xbt_free(route_name);
-        }
-        if (bypassedRoute)
-          break;
-      }
-
-      if (bypassedRoute)
-        break;
-
-      if (max <= max_index_src && max <= max_index_dst) {
-        char *route_name = bprintf("%s#%s",
-            (*(As **) (xbt_dynar_get_ptr(path_src, max)))->name_,
-            (*(As **) (xbt_dynar_get_ptr(path_dst, max)))->name_);
-
-        if (bypassRoutes_->find(route_name) != bypassRoutes_->end())
-          bypassedRoute = bypassRoutes_->at(route_name);
-        xbt_free(route_name);
-      }
-      if (bypassedRoute)
-        break;
-    }
-
-    xbt_dynar_free(&path_src);
-    xbt_dynar_free(&path_dst);
-
-    return bypassedRoute;
-  }
-
-  void As::addBypassRoute(sg_platf_route_cbarg_t e_route){
-    const char *src = e_route->src;
-    const char *dst = e_route->dst;
-
-    if(bypassRoutes_ == nullptr)
-      bypassRoutes_ = new std::map<std::string, std::vector<Link*>*>();
-
-    char *route_name = bprintf("%s#%s", src, dst);
-
-    /* Argument validity checks */
-    if (e_route->gw_dst) {
-      XBT_DEBUG("Load bypassASroute from %s@%s to %s@%s",
-          src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
-      xbt_assert(!e_route->link_list->empty(), "Bypass route between %s@%s and %s@%s cannot be empty.",
-          src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
-      xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(),
-          "The bypass route between %s@%s and %s@%s already exists.",
-          src, e_route->gw_src->name(), dst, e_route->gw_dst->name());
-    } else {
-      XBT_DEBUG("Load bypassRoute from %s to %s", src, dst);
-      xbt_assert(!e_route->link_list->empty(),                            "Bypass route between %s and %s cannot be empty.",    src, dst);
-      xbt_assert(bypassRoutes_->find(route_name) == bypassRoutes_->end(), "The bypass route between %s and %s already exists.", src, dst);
-    }
-
-    /* Build a copy that will be stored in the dict */
-    std::vector<Link*> *newRoute = new std::vector<Link*>();
-    for (auto link: *e_route->link_list)
-      newRoute->push_back(link);
-
-    /* Store it */
-    bypassRoutes_->insert({route_name, newRoute});
-    xbt_free(route_name);
-  }
 
 }} // namespace simgrid::surf
 
@@ -208,7 +30,7 @@ namespace surf {
  * @ingroup SURF_build_api
  * @brief A library containing all known hosts
  */
-xbt_dict_t host_list;
+xbt_dict_t host_list = nullptr;
 
 int COORD_HOST_LEVEL=0;         //Coordinates level
 
@@ -240,38 +62,6 @@ simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
 simgrid::surf::RoutingPlatf *routing_platf = NULL;
 
 
-/** The current AS in the parsing */
-static simgrid::surf::As *current_routing = NULL;
-simgrid::surf::As* routing_get_current()
-{
-  return current_routing;
-}
-
-/** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
-void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t netcard_arg)
-{
-  simgrid::surf::NetCard *netcard = sg_host_by_name(netcard_arg->id)->pimpl_netcard;
-  xbt_assert(netcard, "Host '%s' not found!", netcard_arg->id);
-  xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing) ||
-             dynamic_cast<simgrid::surf::AsVivaldi*>(current_routing),
-      "Only hosts from Cluster and Vivaldi ASes can get a host_link.");
-
-  s_surf_parsing_link_up_down_t link_up_down;
-  link_up_down.link_up = Link::byName(netcard_arg->link_up);
-  link_up_down.link_down = Link::byName(netcard_arg->link_down);
-
-  xbt_assert(link_up_down.link_up, "Link '%s' not found!",netcard_arg->link_up);
-  xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard_arg->link_down);
-
-  // If dynar is is greater than netcard id and if the host_link is already defined
-  if((int)xbt_dynar_length(current_routing->upDownLinks) > netcard->id() &&
-      xbt_dynar_get_as(current_routing->upDownLinks, netcard->id(), void*))
-  surf_parse_error("Host_link for '%s' is already defined!",netcard_arg->id);
-
-  XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
-  xbt_dynar_set_as(current_routing->upDownLinks, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
-}
-
 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
 {
   tmgr_trace_t tmgr_trace;
@@ -285,226 +75,6 @@ void sg_platf_new_trace(sg_platf_trace_cbarg_t trace)
   xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, NULL);
 }
 
-/**
- * \brief Make a new routing component to the platform
- *
- * Add a new autonomous system to the platform. Any elements (such as host,
- * router or sub-AS) added after this call and before the corresponding call
- * to sg_platf_new_AS_close() will be added to this AS.
- *
- * Once this function was called, the configuration concerning the used
- * models cannot be changed anymore.
- *
- * @param AS_id name of this autonomous system. Must be unique in the platform
- * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
- */
-void routing_AS_begin(sg_platf_AS_cbarg_t AS)
-{
-  XBT_DEBUG("routing_AS_begin");
-
-  xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
-      "Refusing to create a second AS called \"%s\".", AS->id);
-
-  _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
-                            * any further config now that we created some real content */
-
-
-  /* search the routing model */
-  simgrid::surf::As *new_as = NULL;
-  switch(AS->routing){
-    case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
-    case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
-    case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
-    case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
-    case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
-    case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
-    case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
-    case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
-    case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
-    default:                                  xbt_die("Not a valid model!");                        break;
-  }
-
-  /* make a new routing component */
-  simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name_, SURF_NETWORK_ELEMENT_AS, current_routing);
-
-  if (current_routing == NULL && routing_platf->root_ == NULL) {
-    /* it is the first one */
-    new_as->father_ = NULL;
-    routing_platf->root_ = new_as;
-    netcard->setId(-1);
-  } else if (current_routing != NULL && routing_platf->root_ != NULL) {
-
-    xbt_assert(!xbt_dict_get_or_null(current_routing->sons_, AS->id),
-               "The AS \"%s\" already exists", AS->id);
-    /* it is a part of the tree */
-    new_as->father_ = current_routing;
-    /* set the father behavior */
-    if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
-      current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
-    /* add to the sons dictionary */
-    xbt_dict_set(current_routing->sons_, AS->id,
-                 (void *) new_as, NULL);
-    /* add to the father element list */
-    netcard->setId(current_routing->addComponent(netcard));
-  } else {
-    THROWF(arg_error, 0, "All defined components must belong to a AS");
-  }
-
-  xbt_lib_set(as_router_lib, netcard->name(), ROUTING_ASR_LEVEL, (void *) netcard);
-  XBT_DEBUG("Having set name '%s' id '%d'", new_as->name_, netcard->id());
-
-  /* set the new current component of the tree */
-  current_routing = new_as;
-  current_routing->netcard_ = netcard;
-
-  simgrid::surf::netcardCreatedCallbacks(netcard);
-  simgrid::surf::asCreatedCallbacks(new_as);
-}
-
-/**
- * \brief Specify that the current description of AS is finished
- *
- * Once you've declared all the content of your AS, you have to close
- * it with this call. Your AS is not usable until you call this function.
- *
- * @fixme: this call is not as robust as wanted: bad things WILL happen
- * if you call it twice for the same AS, or if you forget calling it, or
- * even if you add stuff to a closed AS
- *
- */
-void routing_AS_end()
-{
-  xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
-  current_routing->Seal();
-  current_routing = current_routing->father_;
-}
-
-/* Aux Business methods */
-
-/**
- * \brief Get the AS father and the first elements of the chain
- *
- * \param src the source host name
- * \param dst the destination host name
- *
- * Get the common father of the to processing units, and the first different
- * father in the chain
- */
-static void elements_father(sg_netcard_t src, sg_netcard_t dst,
-                            AS_t * res_father,
-                            AS_t * res_src,
-                            AS_t * res_dst)
-{
-  xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
-#define ROUTING_HIERARCHY_MAXDEPTH 16     /* increase if it is not enough */
-  simgrid::surf::As *path_src[ROUTING_HIERARCHY_MAXDEPTH];
-  simgrid::surf::As *path_dst[ROUTING_HIERARCHY_MAXDEPTH];
-  int index_src = 0;
-  int index_dst = 0;
-  simgrid::surf::As *current_src;
-  simgrid::surf::As *current_dst;
-  simgrid::surf::As *father;
-
-  /* (1) find the path to root of src and dst*/
-  simgrid::surf::As *src_as = src->containingAS();
-  simgrid::surf::As *dst_as = dst->containingAS();
-
-  xbt_assert(src_as, "Host %s must be in an AS", src->name());
-  xbt_assert(dst_as, "Host %s must be in an AS", dst->name());
-
-  /* (2) find the path to the root routing component */
-  for (simgrid::surf::As *current = src_as; current != NULL; current = current->father_) {
-    if (index_src >= ROUTING_HIERARCHY_MAXDEPTH)
-      xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for element %s", src->name());
-    path_src[index_src++] = current;
-  }
-  for (simgrid::surf::As *current = dst_as; current != NULL; current = current->father_) {
-    if (index_dst >= ROUTING_HIERARCHY_MAXDEPTH)
-      xbt_die("ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
-    path_dst[index_dst++] = current;
-  }
-
-  /* (3) find the common father */
-  do {
-    current_src = path_src[--index_src];
-    current_dst = path_dst[--index_dst];
-  } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
-
-  /* (4) they are not in the same routing component, make the path */
-  if (current_src == current_dst)
-    father = current_src;
-  else
-    father = path_src[index_src + 1];
-
-  /* (5) result generation */
-  *res_father = father;         /* first the common father of src and dst */
-  *res_src = current_src;       /* second the first different father of src */
-  *res_dst = current_dst;       /* three  the first different father of dst */
-
-#undef ROUTING_HIERARCHY_MAXDEPTH
-}
-
-/**
- * \brief Recursive function for get_route_and_latency
- *
- * \param src the source host name
- * \param dst the destination host name
- * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
- * \param *latency the latency, if needed
- */
-static void _get_route_and_latency(simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
-    std::vector<Link*> * links, double *latency)
-{
-  s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
-  memset(&route,0,sizeof(route));
-
-  xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
-  XBT_DEBUG("Solve route/latency  \"%s\" to \"%s\"", src->name(), dst->name());
-
-  /* Find how src and dst are interconnected */
-  simgrid::surf::As *common_father, *src_father, *dst_father;
-  elements_father(src, dst, &common_father, &src_father, &dst_father);
-  XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
-      common_father->name_, src_father->name_, dst_father->name_);
-
-  /* Check whether a direct bypass is defined. If so, use it and bail out */
-  std::vector<Link*> *bypassed_route = common_father->getBypassRoute(src, dst);
-  if (nullptr != bypassed_route) {
-    for (Link *link : *bypassed_route) {
-      links->push_back(link);
-      if (latency)
-        *latency += link->getLatency();
-    }
-    return;
-  }
-
-  /* If src and dst are in the same AS, life is good */
-  if (src_father == dst_father) {       /* SURF_ROUTING_BASE */
-    route.link_list = links;
-    common_father->getRouteAndLatency(src, dst, &route, latency);
-    return;
-  }
-
-  /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
-
-  route.link_list = new std::vector<Link*>();
-
-  common_father->getRouteAndLatency(src_father->netcard_, dst_father->netcard_, &route, latency);
-  xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
-      "bad gateways for route from \"%s\" to \"%s\"", src->name(), dst->name());
-
-  /* If source gateway is not our source, we have to recursively find our way up to this point */
-  if (src != route.gw_src)
-    _get_route_and_latency(src, route.gw_src, links, latency);
-  for (auto link: *route.link_list)
-    links->push_back(link);
-
-  /* If dest gateway is not our destination, we have to recursively find our way from this point */
-  if (route.gw_dst != dst)
-    _get_route_and_latency(route.gw_dst, dst, links, latency);
-
-}
-
 namespace simgrid {
 namespace surf {
 
@@ -526,23 +96,23 @@ void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, std::vector<Li
 {
   XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
 
-  _get_route_and_latency(src, dst, route, latency);
+  AsImpl::getRouteRecursive(src, dst, route, latency);
 }
 
-static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
+static xbt_dynar_t _recursiveGetOneLinkRoutes(surf::AsImpl *as)
 {
   xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
 
   //adding my one link routes
-  xbt_dynar_t onelink_mine = rc->getOneLinkRoutes();
+  xbt_dynar_t onelink_mine = as->getOneLinkRoutes();
   if (onelink_mine)
     xbt_dynar_merge(&ret,&onelink_mine);
 
   //recursing
   char *key;
   xbt_dict_cursor_t cursor = NULL;
-  AS_t rc_child;
-  xbt_dict_foreach(rc->sons_, cursor, key, rc_child) {
+  AsImpl *rc_child;
+  xbt_dict_foreach(as->children(), cursor, key, rc_child) {
     xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
     if (onelink_child)
       xbt_dynar_merge(&ret,&onelink_child);
@@ -566,16 +136,6 @@ void routing_model_create(Link *loopback)
 /* ************************************************************************** */
 /* ************************* GENERIC PARSE FUNCTIONS ************************ */
 
-void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
-  simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
-
-  xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
-  xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->name_);
-
-  cluster->backbone_ = bb;
-  XBT_DEBUG("Add a backbone to AS '%s'", current_routing->name_);
-}
-
 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
 {
   int start, end, i;
@@ -645,208 +205,6 @@ void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
   xbt_dynar_free(&radical_elements);
 }
 
-void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
-{
-  using simgrid::surf::NetCard;
-  using simgrid::surf::AsCluster;
-
-  char *host_id = NULL;
-  char *link_id = NULL;
-  char *router_id = NULL;
-
-  XBT_DEBUG(" ");
-  host_id = bprintf("peer_%s", peer->id);
-  link_id = bprintf("link_%s", peer->id);
-  router_id = bprintf("router_%s", peer->id);
-
-  XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", peer->id);
-  s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER;
-  AS.id                    = peer->id;
-  AS.routing               = A_surfxml_AS_routing_Cluster;
-  sg_platf_new_AS_begin(&AS);
-
-  XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->speed);
-  s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
-  memset(&host, 0, sizeof(host));
-  host.id = host_id;
-
-  host.speed_peak = xbt_dynar_new(sizeof(double), NULL);
-  xbt_dynar_push(host.speed_peak,&peer->speed);
-  host.pstate = 0;
-  //host.power_peak = peer->power;
-  host.speed_trace = peer->availability_trace;
-  host.state_trace = peer->state_trace;
-  host.core_amount = 1;
-  sg_platf_new_host(&host);
-  xbt_dynar_free(&host.speed_peak);
-
-  s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
-  memset(&link, 0, sizeof(link));
-  link.policy  = SURF_LINK_SHARED;
-  link.latency = peer->lat;
-
-  char* link_up = bprintf("%s_UP",link_id);
-  XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_up,
-            peer->bw_out, peer->lat);
-  link.id = link_up;
-  link.bandwidth = peer->bw_out;
-  sg_platf_new_link(&link);
-
-  char* link_down = bprintf("%s_DOWN",link_id);
-  XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_down,
-            peer->bw_in, peer->lat);
-  link.id = link_down;
-  link.bandwidth = peer->bw_in;
-  sg_platf_new_link(&link);
-
-  XBT_DEBUG("<host_link\tid=\"%s\"\tup=\"%s\"\tdown=\"%s\" />", host_id,link_up,link_down);
-  s_sg_platf_host_link_cbarg_t host_link = SG_PLATF_HOST_LINK_INITIALIZER;
-  memset(&host_link, 0, sizeof(host_link));
-  host_link.id        = host_id;
-  host_link.link_up   = link_up;
-  host_link.link_down = link_down;
-  sg_platf_new_hostlink(&host_link);
-
-  XBT_DEBUG("<router id=\"%s\"/>", router_id);
-  s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
-  memset(&router, 0, sizeof(router));
-  router.id = router_id;
-  router.coord = peer->coord;
-  sg_platf_new_router(&router);
-  static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
-
-  XBT_DEBUG("</AS>");
-  sg_platf_new_AS_end();
-  XBT_DEBUG(" ");
-
-  //xbt_dynar_free(&tab_elements_num);
-  free(router_id);
-  free(host_id);
-  free(link_id);
-  free(link_up);
-  free(link_down);
-}
-
-// static void routing_parse_Srandom(void)
-// {
-//   double mean, std, min, max, seed;
-//   char *random_id = A_surfxml_random_id;
-//   char *random_radical = A_surfxml_random_radical;
-//   char *rd_name = NULL;
-//   char *rd_value;
-//   mean = surf_parse_get_double(A_surfxml_random_mean);
-//   std = surf_parse_get_double(A_surfxml_random_std___deviation);
-//   min = surf_parse_get_double(A_surfxml_random_min);
-//   max = surf_parse_get_double(A_surfxml_random_max);
-//   seed = surf_parse_get_double(A_surfxml_random_seed);
-
-//   double res = 0;
-//   int i = 0;
-//   random_data_t random = xbt_new0(s_random_data_t, 1);
-//   char *tmpbuf;
-
-//   xbt_dynar_t radical_elements;
-//   unsigned int iter;
-//   char *groups;
-//   int start, end;
-//   xbt_dynar_t radical_ends;
-
-//   switch (A_surfxml_random_generator) {
-//   case AU_surfxml_random_generator:
-//   case A_surfxml_random_generator_NONE:
-//     random->generator = NONE;
-//     break;
-//   case A_surfxml_random_generator_DRAND48:
-//     random->generator = DRAND48;
-//     break;
-//   case A_surfxml_random_generator_RAND:
-//     random->generator = RAND;
-//     break;
-//   case A_surfxml_random_generator_RNGSTREAM:
-//     random->generator = RNGSTREAM;
-//     break;
-//   default:
-//     surf_parse_error("Invalid random generator");
-//     break;
-//   }
-//   random->seed = seed;
-//   random->min = min;
-//   random->max = max;
-
-//   /* Check user stupidities */
-//   if (max < min)
-//     THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
-//   if (mean < min)
-//     THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
-//   if (mean > max)
-//     THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
-
-//   /* normalize the mean and standard deviation before storing */
-//   random->mean = (mean - min) / (max - min);
-//   random->std = std / (max - min);
-
-//   if (random->mean * (1 - random->mean) < random->std * random->std)
-//     THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
-//            random->mean, random->std);
-
-//   XBT_DEBUG
-//       ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
-//        random_id, random->min, random->max, random->mean, random->std,
-//        (int)random->generator, random->seed, random_radical);
-
-//   if (!random_value)
-//     random_value = xbt_dict_new_homogeneous(free);
-
-//   if (!strcmp(random_radical, "")) {
-//     res = random_generate(random);
-//     rd_value = bprintf("%f", res);
-//     xbt_dict_set(random_value, random_id, rd_value, NULL);
-//   } else {
-//     radical_elements = xbt_str_split(random_radical, ",");
-//     xbt_dynar_foreach(radical_elements, iter, groups) {
-//       radical_ends = xbt_str_split(groups, "-");
-//       switch (xbt_dynar_length(radical_ends)) {
-//       case 1:
-//         xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
-//                    "Custom Random '%s' already exists !", random_id);
-//         res = random_generate(random);
-//         tmpbuf =
-//             bprintf("%s%d", random_id,
-//                     atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
-//         xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
-//         xbt_free(tmpbuf);
-//         break;
-
-//       case 2:
-//         start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
-//         end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
-//         for (i = start; i <= end; i++) {
-//           xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
-//                      "Custom Random '%s' already exists !", bprintf("%s%d",
-//                                                                     random_id,
-//                                                                     i));
-//           res = random_generate(random);
-//           tmpbuf = bprintf("%s%d", random_id, i);
-//           xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
-//           xbt_free(tmpbuf);
-//         }
-//         break;
-//       default:
-//         XBT_CRITICAL("Malformed radical");
-//         break;
-//       }
-//       res = random_generate(random);
-//       rd_name = bprintf("%s_router", random_id);
-//       rd_value = bprintf("%f", res);
-//       xbt_dict_set(random_value, rd_name, rd_value, NULL);
-
-//       xbt_dynar_free(&radical_ends);
-//     }
-//     free(rd_name);
-//     xbt_dynar_free(&radical_elements);
-//   }
-// }
-
 static void check_disk_attachment()
 {
   xbt_lib_cursor_t cursor;
@@ -870,104 +228,16 @@ void routing_register_callbacks()
   instr_routing_define_callbacks();
 }
 
-/**
- * \brief Recursive function for finalize
- *
- * \param rc the source host name
- *
- * This fuction is call by "finalize". It allow to finalize the
- * AS or routing components. It delete all the structures.
- */
-static void finalize_rec(simgrid::surf::As *as) {
-  xbt_dict_cursor_t cursor = NULL;
-  char *key;
-  AS_t elem;
-
-  xbt_dict_foreach(as->sons_, cursor, key, elem) {
-    finalize_rec(elem);
-  }
-
-  delete as;;
-}
-
 /** \brief Frees all memory allocated by the routing module */
 void routing_exit(void) {
   delete routing_platf;
 }
 
-namespace simgrid {
-namespace surf {
-
-  RoutingPlatf::RoutingPlatf(Link *loopback)
-  : loopback_(loopback)
-  {
-  }
-  RoutingPlatf::~RoutingPlatf()
-  {
-    xbt_dynar_free(&lastRoute_);
-    finalize_rec(root_);
-  }
-
-}
-}
-
-AS_t surf_AS_get_routing_root() {
-  return routing_platf->root_;
-}
-
-const char *surf_AS_get_name(simgrid::surf::As *as) {
-  return as->name_;
-}
-
-static simgrid::surf::As *surf_AS_recursive_get_by_name(
-  simgrid::surf::As *current, const char * name)
+simgrid::surf::RoutingPlatf::RoutingPlatf(simgrid::surf::Link *loopback)
+: loopback_(loopback)
 {
-  xbt_dict_cursor_t cursor = NULL;
-  char *key;
-  AS_t elem;
-  simgrid::surf::As *tmp = NULL;
-
-  if(!strcmp(current->name_, name))
-    return current;
-
-  xbt_dict_foreach(current->sons_, cursor, key, elem) {
-    tmp = surf_AS_recursive_get_by_name(elem, name);
-    if(tmp != NULL ) {
-        break;
-    }
-  }
-  return tmp;
-}
-
-simgrid::surf::As *surf_AS_get_by_name(const char * name)
-{
-  simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->root_, name);
-  if(as == NULL)
-    XBT_WARN("Impossible to find an AS with name %s, please check your input", name);
-  return as;
-}
-
-xbt_dict_t surf_AS_get_routing_sons(simgrid::surf::As *as)
-{
-  return as->sons_;
 }
-
-xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
+simgrid::surf::RoutingPlatf::~RoutingPlatf()
 {
-  xbt_dynar_t elms = as->vertices_;
-  int count = xbt_dynar_length(elms);
-  xbt_dynar_t res =  xbt_dynar_new(sizeof(sg_host_t), NULL);
-  for (int index = 0; index < count; index++) {
-     sg_netcard_t relm =
-      xbt_dynar_get_as(elms, index, simgrid::surf::NetCard*);
-     sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
-     if (delm!=NULL) {
-       xbt_dynar_push(res, &delm);
-     }
-  }
-  return res;
-}
-
-void surf_AS_get_graph(AS_t as, xbt_graph_t graph, xbt_dict_t nodes, xbt_dict_t edges) {
-  as->getGraph(graph, nodes, edges);
+  delete root_;
 }