* under the terms of the license (GNU LGPL) which comes with this package. */
#include "surf_routing.hpp"
-#include "surf_routing_private.hpp"
#include "surf_routing_cluster.hpp"
-#include "simgrid/platf_interface.h" // platform creation API internal interface
#include "simgrid/sg_config.h"
#include "storage_interface.hpp"
-#include "src/surf/platform.hpp"
-#include "surf/surfxml_parse_values.h"
-/*************
- * Callbacks *
- *************/
+#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/xml/platf.hpp" // FIXME: move that back to the parsing area
+
+#include <vector>
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
namespace simgrid {
namespace surf {
-simgrid::xbt::signal<void(simgrid::surf::NetCard*)> netcardCreatedCallbacks;
-simgrid::xbt::signal<void(simgrid::surf::As*)> asCreatedCallbacks;
+ /* 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_cursor_t cursor = NULL;
+ char *key;
+ AS_t elem;
+ xbt_dict_foreach(children_, cursor, key, elem) {
+ delete (As*)elem;
+ }
+
+
+ xbt_dict_free(&children_);
+ xbt_dynar_free(&vertices_);
+ xbt_dynar_free(&upDownLinks);
+ for (auto &kv : bypassRoutes_)
+ delete kv.second;
+ xbt_free(name_);
+ delete netcard_;
+ }
+ void As::Seal()
+ {
+ sealed_ = true;
+ }
+
+ /** @brief Get the common ancestor and its first childs in each line leading to src and dst */
+ static void find_common_ancestors(NetCard *src, NetCard *dst,
+ /* OUT */ As **common_ancestor, As **src_ancestor, As **dst_ancestor)
+ {
+ #define ROUTING_HIERARCHY_MAXDEPTH 32 /* 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_) {
+ xbt_assert(index_src < ROUTING_HIERARCHY_MAXDEPTH, "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_) {
+ xbt_assert(index_dst < ROUTING_HIERARCHY_MAXDEPTH,"ROUTING_HIERARCHY_MAXDEPTH should be increased for path_dst");
+ path_dst[index_dst++] = current;
+ }
+
+ /* (3) find the common father.
+ * Before that, index_src and index_dst may be different, they both point to NULL in path_src/path_dst
+ * So we move them down simultaneously as long as they point to the same content.
+ */
+ 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) if we did not find a difference (index_src or index_dst went to 0), both elements are in the same AS */
+ if (current_src == current_dst)
+ father = current_src;
+ else // we found a difference
+ father = path_src[index_src + 1];
+
+ /* (5) result generation */
+ *common_ancestor = father; /* the common father of src and dst */
+ *src_ancestor = current_src; /* the first different father of src */
+ *dst_ancestor = current_dst; /* the first different father of dst */
+ #undef ROUTING_HIERARCHY_MAXDEPTH
+ }
+
+
+ xbt_dynar_t As::getOneLinkRoutes() {
+ return NULL;
+ }
+
+ int As::addComponent(NetCard *elm) {
+ 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_);
+ }
+
+ /* PRECONDITION: this is the common ancestor of src and dst */
+ 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_.empty())
+ return nullptr;
+
+ std::vector<Link*> *bypassedRoute = nullptr;
+
+ if(dst->containingAS() == this && src->containingAS() == this ){
+ if (bypassRoutes_.find({src->name(),dst->name()}) != bypassRoutes_.end()) {
+ bypassedRoute = bypassRoutes_.at({src->name(),dst->name()});
+ XBT_DEBUG("Found a bypass route with %zu links",bypassedRoute->size());
+ }
+ return bypassedRoute;
+ }
+
+ /* (2) find the path to the root routing component */
+ std::vector<As*> path_src;
+ As *current = src->containingAS();
+ while (current != NULL) {
+ path_src.push_back(current);
+ current = current->father_;
+ }
+
+ std::vector<As*> path_dst;
+ current = dst->containingAS();
+ while (current != NULL) {
+ path_dst.push_back(current);
+ current = current->father_;
+ }
+
+ /* (3) find the common father */
+ while (path_src.size() > 1 && path_dst.size() >1
+ && path_src.at(path_src.size() -1) == path_dst.at(path_dst.size() -1)) {
+ path_src.pop_back();
+ path_dst.pop_back();
+ }
+
+ int max_index_src = path_src.size() - 1;
+ int max_index_dst = path_dst.size() - 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) {
+ const std::pair<std::string, std::string> key = {path_src.at(i)->name_, path_dst.at(max)->name_};
+ if (bypassRoutes_.find(key) != bypassRoutes_.end())
+ bypassedRoute = bypassRoutes_.at(key);
+ }
+ if (bypassedRoute)
+ break;
+ if (max <= max_index_src && i <= max_index_dst) {
+ const std::pair<std::string, std::string> key = {path_src.at(max)->name_, path_dst.at(i)->name_};
+ if (bypassRoutes_.find(key) != bypassRoutes_.end())
+ bypassedRoute = bypassRoutes_.at(key);
+ }
+ if (bypassedRoute)
+ break;
+ }
+
+ if (bypassedRoute)
+ break;
+
+ if (max <= max_index_src && max <= max_index_dst) {
+ const std::pair<std::string, std::string> key = {path_src.at(max)->name_, path_dst.at(max)->name_};
+ if (bypassRoutes_.find(key) != bypassRoutes_.end())
+ bypassedRoute = bypassRoutes_.at(key);
+ }
+ if (bypassedRoute)
+ break;
+ }
+
+ return bypassedRoute;
+ }
+
+ void As::addBypassRoute(sg_platf_route_cbarg_t e_route){
+ const char *src = e_route->src;
+ const char *dst = e_route->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({src,dst}) == 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({src,dst}) == 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({{src,dst}, newRoute});
+ }
+
+}} // namespace simgrid::surf
/**
* @ingroup SURF_build_api
simgrid::surf::NetCard *sg_netcard_by_name_or_null(const char *name)
{
sg_host_t h = sg_host_by_name(name);
- simgrid::surf::NetCard *net_elm = h==NULL?NULL: h->pimpl_netcard;
- if (!net_elm)
- net_elm = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
- return net_elm;
+ simgrid::surf::NetCard *netcard = h==NULL ? NULL: h->pimpl_netcard;
+ if (!netcard)
+ netcard = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
+ return netcard;
}
/* Global vars */
simgrid::surf::RoutingPlatf *routing_platf = NULL;
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
/** The current AS in the parsing */
static simgrid::surf::As *current_routing = NULL;
return current_routing;
}
-/* this lines are only for replace use like index in the model table */
-typedef enum {
- SURF_MODEL_FULL = 0,
- SURF_MODEL_FLOYD,
- SURF_MODEL_DIJKSTRA,
- SURF_MODEL_DIJKSTRACACHE,
- SURF_MODEL_NONE,
- SURF_MODEL_VIVALDI,
- SURF_MODEL_CLUSTER,
- SURF_MODEL_TORUS_CLUSTER,
- SURF_MODEL_FAT_TREE_CLUSTER,
-} e_routing_types;
-
-struct s_model_type routing_models[] = {
- {"Full",
- "Full routing data (fast, large memory requirements, fully expressive)",
- model_full_create},
- {"Floyd",
- "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
- model_floyd_create},
- {"Dijkstra",
- "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
- model_dijkstra_create},
- {"DijkstraCache",
- "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
- model_dijkstracache_create},
- {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
- model_none_create},
- {"Vivaldi", "Vivaldi routing", model_vivaldi_create},
- {"Cluster", "Cluster routing", model_cluster_create},
- {"TorusCluster", "Torus Cluster routing", model_torus_cluster_create},
- {"FatTreeCluster", "Fat Tree Cluster routing", model_fat_tree_cluster_create},
- {NULL, NULL, NULL}
-};
-
-/**
- * \brief Add a netcard connecting an host to the network element list
- * FIXME: integrate into host constructor
- */
-void sg_platf_new_netcard(sg_platf_host_link_cbarg_t netcard)
+/** @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 *info = sg_host_by_name(netcard->id)->pimpl_netcard;
- xbt_assert(info, "Host '%s' not found!", netcard->id);
- xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER] ||
- current_routing->p_modelDesc == &routing_models[SURF_MODEL_VIVALDI],
- "You have to be in model Cluster to use tag host_link!");
+ 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->link_up);
- link_up_down.link_down = Link::byName(netcard->link_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->link_up);
- xbt_assert(link_up_down.link_down, "Link '%s' not found!",netcard->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->p_linkUpDownList) > info->getId() &&
- xbt_dynar_get_as(current_routing->p_linkUpDownList, info->getId(), void*))
- surf_parse_error("Host_link for '%s' is already defined!",netcard->id);
+ 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", info->getName(), info->getId());
- xbt_dynar_set_as(current_routing->p_linkUpDownList, info->getId(), s_surf_parsing_link_up_down_t, link_up_down);
+ 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)
void routing_AS_begin(sg_platf_AS_cbarg_t AS)
{
XBT_DEBUG("routing_AS_begin");
- routing_model_description_t model = NULL;
- xbt_assert(NULL == xbt_lib_get_or_null(as_router_lib, AS->id, ROUTING_ASR_LEVEL),
+ 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; /* horrible hack: direct access to the global
- * controlling the level of configuration to prevent
- * any further config */
+ _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: model = &routing_models[SURF_MODEL_CLUSTER];break;
- case A_surfxml_AS_routing_ClusterTorus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break;
- case A_surfxml_AS_routing_ClusterFatTree: model = &routing_models[SURF_MODEL_FAT_TREE_CLUSTER];break;
- case A_surfxml_AS_routing_Dijkstra: model = &routing_models[SURF_MODEL_DIJKSTRA];break;
- case A_surfxml_AS_routing_DijkstraCache: model = &routing_models[SURF_MODEL_DIJKSTRACACHE];break;
- case A_surfxml_AS_routing_Floyd: model = &routing_models[SURF_MODEL_FLOYD];break;
- case A_surfxml_AS_routing_Full: model = &routing_models[SURF_MODEL_FULL];break;
- case A_surfxml_AS_routing_None: model = &routing_models[SURF_MODEL_NONE];break;
- case A_surfxml_AS_routing_Vivaldi: model = &routing_models[SURF_MODEL_VIVALDI];break;
- default: xbt_die("Not a valid model!!!");
- break;
+ 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::As *new_as = model->create();
-
- new_as->p_modelDesc = model;
- new_as->p_hierarchy = SURF_ROUTING_NULL;
- new_as->p_name = xbt_strdup(AS->id);
-
- simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->p_name, SURF_NETWORK_ELEMENT_AS, current_routing);
- if (current_routing == NULL && routing_platf->p_root == NULL) {
+ 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->p_routingFather = NULL;
- routing_platf->p_root = new_as;
+ new_as->father_ = NULL;
+ routing_platf->root_ = new_as;
netcard->setId(-1);
- } else if (current_routing != NULL && routing_platf->p_root != NULL) {
+ } else if (current_routing != NULL && routing_platf->root_ != NULL) {
- xbt_assert(!xbt_dict_get_or_null
- (current_routing->p_routingSons, AS->id),
+ xbt_assert(!xbt_dict_get_or_null(current_routing->children_, AS->id),
"The AS \"%s\" already exists", AS->id);
/* it is a part of the tree */
- new_as->p_routingFather = current_routing;
+ new_as->father_ = current_routing;
/* set the father behavior */
- if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
- current_routing->p_hierarchy = SURF_ROUTING_RECURSIVE;
+ if (current_routing->hierarchy_ == SURF_ROUTING_NULL)
+ current_routing->hierarchy_ = SURF_ROUTING_RECURSIVE;
/* add to the sons dictionary */
- xbt_dict_set(current_routing->p_routingSons, AS->id,
- (void *) new_as, NULL);
+ xbt_dict_set(current_routing->children_, AS->id, (void *) new_as, NULL);
/* add to the father element list */
- netcard->setId(current_routing->parseAS(netcard));
+ 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->getName(), ROUTING_ASR_LEVEL,
- (void *) netcard);
- XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, netcard->getId());
+ 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->p_netcard = netcard;
+ current_routing->netcard_ = netcard;
simgrid::surf::netcardCreatedCallbacks(netcard);
simgrid::surf::asCreatedCallbacks(new_as);
*
* 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->p_routingFather;
+ 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 ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
- simgrid::surf::As *src_as, *dst_as;
- simgrid::surf::As *path_src[ELEMENTS_FATHER_MAXDEPTH];
- simgrid::surf::As *path_dst[ELEMENTS_FATHER_MAXDEPTH];
- int index_src = 0;
- int index_dst = 0;
- simgrid::surf::As *current;
- simgrid::surf::As *current_src;
- simgrid::surf::As *current_dst;
- simgrid::surf::As *father;
-
- /* (1) find the as where the src and dst are located */
- sg_netcard_t src_data = src;
- sg_netcard_t dst_data = dst;
- src_as = src_data->getRcComponent();
- dst_as = dst_data->getRcComponent();
-#ifndef NDEBUG
- char* src_name = src_data->getName();
- char* dst_name = dst_data->getName();
-#endif
-
- xbt_assert(src_as && dst_as,
- "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
-
- /* (2) find the path to the root routing component */
- for (current = src_as; current != NULL; current = current->p_routingFather) {
- if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
- xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
- path_src[index_src++] = current;
- }
- for (current = dst_as; current != NULL; current = current->p_routingFather) {
- if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
- xbt_die("ELEMENTS_FATHER_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 ELEMENTS_FATHER_MAXDEPTH
-}
-
-/* Global Business methods */
+namespace simgrid {
+namespace surf {
/**
- * \brief Recursive function for get_route_latency
+ * \brief Recursive function for getRouteAndLatency
*
- * \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
- *
- * This function is called by "get_route" and "get_latency". It allows to walk
- * recursively through the ASes tree.
+ * \param src the source host
+ * \param dst the destination host
+ * \param links Where to store the links and the gw information
+ * \param latency If not NULL, the latency of all links will be added in it
*/
-static void _get_route_and_latency(
- simgrid::surf::NetCard *src, simgrid::surf::NetCard *dst,
- xbt_dynar_t * links, double *latency)
+void As::getRouteRecursive(NetCard *src, NetCard *dst,
+ /* OUT */ std::vector<Link*> * links, double *latency)
{
- s_sg_platf_route_cbarg_t route = SG_PLATF_ROUTE_INITIALIZER;
+ s_sg_platf_route_cbarg_t route;
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->getName(), dst->getName());
+ 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->p_name, src_father->p_name, dst_father->p_name);
-
- /* Check whether a direct bypass is defined */
- sg_platf_route_cbarg_t e_route_bypass = NULL;
- //FIXME:REMOVE:if (common_father->get_bypass_route)
-
- e_route_bypass = common_father->getBypassRoute(src, dst, latency);
-
- /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
- if (e_route_bypass) {
- xbt_dynar_merge(links, &e_route_bypass->link_list);
- routing_route_free(e_route_bypass);
+ simgrid::surf::As *common_ancestor, *src_ancestor, *dst_ancestor;
+ find_common_ancestors(src, dst, &common_ancestor, &src_ancestor, &dst_ancestor);
+ XBT_DEBUG("elements_father: common ancestor '%s' src ancestor '%s' dst ancestor '%s'",
+ common_ancestor->name_, src_ancestor->name_, dst_ancestor->name_);
+
+ /* Check whether a direct bypass is defined. If so, use it and bail out */
+ std::vector<Link*> *bypassed_route = common_ancestor->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);
- // if vivaldi latency+=vivaldi(src,dst)
+ if (src_ancestor == dst_ancestor) { /* SURF_ROUTING_BASE */
+ route.link_list = links;
+ common_ancestor->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 = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
- // Find the net_card corresponding to father
- simgrid::surf::NetCard *src_father_netcard = src_father->p_netcard;
- simgrid::surf::NetCard *dst_father_netcard = dst_father->p_netcard;
-
- common_father->getRouteAndLatency(src_father_netcard, dst_father_netcard,
- &route, latency);
+ route.link_list = new std::vector<Link*>();
+ common_ancestor->getRouteAndLatency(src_ancestor->netcard_, dst_ancestor->netcard_, &route, latency);
xbt_assert((route.gw_src != NULL) && (route.gw_dst != NULL),
- "bad gateways for route from \"%s\" to \"%s\"", src->getName(), dst->getName());
-
- sg_netcard_t src_gateway_net_elm = route.gw_src;
- sg_netcard_t dst_gateway_net_elm = route.gw_dst;
+ "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 != src_gateway_net_elm)
- _get_route_and_latency(src, src_gateway_net_elm, links, latency);
- xbt_dynar_merge(links, &route.link_list);
+ if (src != route.gw_src)
+ getRouteRecursive(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 (dst_gateway_net_elm != dst)
- _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
-
-}
+ if (route.gw_dst != dst)
+ getRouteRecursive(route.gw_dst, dst, links, latency);
-AS_t surf_platf_get_root(routing_platf_t platf){
- return platf->p_root;
}
-e_surf_network_element_type_t surf_routing_edge_get_rc_type(sg_netcard_t netcard){
- return netcard->getRcType();
-}
-
-namespace simgrid {
-namespace surf {
-
/**
* \brief Find a route between hosts
*
* walk through the routing components tree and find a route between hosts
* by calling each "get_route" function in each routing component.
*/
-void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, xbt_dynar_t* route, double *latency)
+void RoutingPlatf::getRouteAndLatency(NetCard *src, NetCard *dst, std::vector<Link*> * route, double *latency)
{
- XBT_DEBUG("getRouteAndLatency from %s to %s", src->getName(), dst->getName());
- if (NULL == *route) {
- xbt_dynar_reset(routing_platf->p_lastRoute);
- *route = routing_platf->p_lastRoute;
- }
-
- _get_route_and_latency(src, dst, route, latency);
+ XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name());
- xbt_assert(!latency || *latency >= 0.0,
- "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName());
-}
-
-xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
- return recursiveGetOneLinkRoutes(p_root);
+ As::getRouteRecursive(src, dst, route, latency);
}
-xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc)
+static xbt_dynar_t _recursiveGetOneLinkRoutes(As *rc)
{
xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f);
char *key;
xbt_dict_cursor_t cursor = NULL;
AS_t rc_child;
- xbt_dict_foreach(rc->p_routingSons, cursor, key, rc_child) {
- xbt_dynar_t onelink_child = recursiveGetOneLinkRoutes(rc_child);
+ xbt_dict_foreach(rc->children_, cursor, key, rc_child) {
+ xbt_dynar_t onelink_child = _recursiveGetOneLinkRoutes(rc_child);
if (onelink_child)
xbt_dynar_merge(&ret,&onelink_child);
}
return ret;
}
+xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){
+ return _recursiveGetOneLinkRoutes(root_);
}
-}
-
-e_surf_network_element_type_t routing_get_network_element_type(const char *name)
-{
- simgrid::surf::NetCard *rc = sg_netcard_by_name_or_null(name);
- if (rc)
- return rc->getRcType();
- return SURF_NETWORK_ELEMENT_NULL;
+}
}
/** @brief create the root AS */
-void routing_model_create( void *loopback)
+void routing_model_create(Link *loopback)
{
routing_platf = new simgrid::surf::RoutingPlatf(loopback);
}
/* ************************************************************************** */
/* ************************* GENERIC PARSE FUNCTIONS ************************ */
-void routing_cluster_add_backbone(void* bb) {
- xbt_assert(current_routing->p_modelDesc == &routing_models[SURF_MODEL_CLUSTER],
- "You have to be in model Cluster to use tag backbone!");
- xbt_assert(!static_cast<simgrid::surf::AsCluster*>(current_routing)->p_backbone, "The backbone link is already defined!");
- static_cast<simgrid::surf::AsCluster*>(current_routing)->p_backbone =
- static_cast<simgrid::surf::Link*>(bb);
- XBT_DEBUG("Add a backbone to AS '%s'", current_routing->p_name);
+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)
}
s_sg_platf_host_cbarg_t host = SG_PLATF_HOST_INITIALIZER;
memset(&host, 0, sizeof(host));
- host.initiallyOn = 1;
host.pstate = 0;
- host.speed_scale = 1.0;
host.core_amount = 1;
s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
memset(&link, 0, sizeof(link));
- link.initiallyOn = 1;
link.policy = SURF_LINK_FULLDUPLEX;
link.latency = cabinet->lat;
link.bandwidth = cabinet->bw;
host_link.id = host_id;
host_link.link_up = link_up;
host_link.link_down = link_down;
- sg_platf_new_netcard(&host_link);
+ sg_platf_new_hostlink(&host_link);
free(host_id);
free(link_id);
char *router_id = NULL;
XBT_DEBUG(" ");
- host_id = HOST_PEER(peer->id);
- link_id = LINK_PEER(peer->id);
- router_id = ROUTER_PEER(peer->id);
+ 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;
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.initiallyOn = 1;
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_scale = 1.0;
host.speed_trace = peer->availability_trace;
host.state_trace = peer->state_trace;
host.core_amount = 1;
s_sg_platf_link_cbarg_t link = SG_PLATF_LINK_INITIALIZER;
memset(&link, 0, sizeof(link));
- link.initiallyOn = 1;
link.policy = SURF_LINK_SHARED;
link.latency = peer->lat;
host_link.id = host_id;
host_link.link_up = link_up;
host_link.link_down = link_down;
- sg_platf_new_netcard(&host_link);
+ sg_platf_new_hostlink(&host_link);
XBT_DEBUG("<router id=\"%s\"/>", router_id);
s_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER;
router.id = router_id;
router.coord = peer->coord;
sg_platf_new_router(&router);
- static_cast<AsCluster*>(current_routing)->p_router = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
+ 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();
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;
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->p_routingSons, 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(void *loopback)
- : p_loopback(loopback)
+ RoutingPlatf::RoutingPlatf(Link *loopback)
+ : loopback_(loopback)
{
}
RoutingPlatf::~RoutingPlatf()
{
- xbt_dynar_free(&p_lastRoute);
- finalize_rec(p_root);
+ delete root_;
}
}
}
AS_t surf_AS_get_routing_root() {
- return routing_platf->p_root;
+ return routing_platf->root_;
}
const char *surf_AS_get_name(simgrid::surf::As *as) {
- return as->p_name;
+ return as->name_;
}
-static simgrid::surf::As *surf_AS_recursive_get_by_name(
- simgrid::surf::As *current, const char * name)
+static simgrid::surf::As *surf_AS_recursive_get_by_name(simgrid::surf::As *current, const char * name)
{
xbt_dict_cursor_t cursor = NULL;
char *key;
AS_t elem;
simgrid::surf::As *tmp = NULL;
- if(!strcmp(current->p_name, name))
+ if(!strcmp(current->name_, name))
return current;
- xbt_dict_foreach(current->p_routingSons, cursor, key, elem) {
+ xbt_dict_foreach(current->children_, cursor, key, elem) {
tmp = surf_AS_recursive_get_by_name(elem, name);
if(tmp != NULL ) {
break;
simgrid::surf::As *surf_AS_get_by_name(const char * name)
{
- simgrid::surf::As *as = surf_AS_recursive_get_by_name(routing_platf->p_root, 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)
+xbt_dict_t surf_AS_get_children(simgrid::surf::As *as)
{
- return as->p_routingSons;
+ return as->children_;
}
xbt_dynar_t surf_AS_get_hosts(simgrid::surf::As *as)
{
- xbt_dynar_t elms = as->p_indexNetworkElm;
+ 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->getName());
+ sg_host_t delm = simgrid::s4u::Host::by_name_or_null(relm->name());
if (delm!=NULL) {
xbt_dynar_push(res, &delm);
}