X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3671bfe99e3f5f4dc48d8229eb57f965a1cf6913..808745d358295b6534b2c472b29cffa2b29d1b18:/src/surf/surf_routing.cpp diff --git a/src/surf/surf_routing.cpp b/src/surf/surf_routing.cpp index 66f1972b80..eef8fe46c7 100644 --- a/src/surf/surf_routing.cpp +++ b/src/surf/surf_routing.cpp @@ -5,27 +5,228 @@ * 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 + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf"); namespace simgrid { namespace surf { -simgrid::xbt::signal netcardCreatedCallbacks; -simgrid::xbt::signal asCreatedCallbacks; + /* Callbacks */ + simgrid::xbt::signal netcardCreatedCallbacks; + simgrid::xbt::signal 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 *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 *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 path_src; + As *current = src->containingAS(); + while (current != NULL) { + path_src.push_back(current); + current = current->father_; + } + + std::vector 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 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 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 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 *newRoute = new std::vector(); + 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 @@ -53,16 +254,15 @@ int ROUTING_PROP_ASR_LEVEL; //Where the properties are stored 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; @@ -71,70 +271,29 @@ simgrid::surf::As* routing_get_current() 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}, - {"Torus_Cluster", "Torus Cluster routing", model_torus_cluster_create}, - {"Fat_Tree_Cluster", "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(current_routing) || + dynamic_cast(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); - - if(!current_routing->p_linkUpDownList) - current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL); + 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) @@ -166,77 +325,62 @@ 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(!xbt_lib_get_or_null - (as_router_lib, AS->id, ROUTING_ASR_LEVEL), - "The AS \"%s\" already exists", AS->id); + 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 */ - _sg_cfg_init_status = 2; /* horrible hack: direct access to the global - * controlling the level of configuration to prevent - * any further config */ /* 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_Cluster___torus: model = &routing_models[SURF_MODEL_TORUS_CLUSTER];break; - case A_surfxml_AS_routing_Cluster___fat___tree: 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 *info = - new simgrid::surf::NetCardImpl(xbt_strdup(new_as->p_name), - -1, - 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; - info->setId(-1); - } else if (current_routing != NULL && routing_platf->p_root != NULL) { + 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->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 */ - info->setId(current_routing->parseAS(info)); + 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, info->getName(), ROUTING_ASR_LEVEL, - (void *) info); - XBT_DEBUG("Having set name '%s' id '%d'", new_as->p_name, info->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 = info; + current_routing->netcard_ = netcard; - simgrid::surf::netcardCreatedCallbacks(info); + simgrid::surf::netcardCreatedCallbacks(netcard); simgrid::surf::asCreatedCallbacks(new_as); } @@ -245,184 +389,77 @@ void routing_AS_begin(sg_platf_AS_cbarg_t 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() { - - if (current_routing == NULL) { - THROWF(arg_error, 0, "Close an AS, but none was under construction"); - } else { - current_routing->Seal(); - current_routing = current_routing->p_routingFather; - } + 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 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 - * - * \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 + * \brief Recursive function for getRouteAndLatency * - * 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 * 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 *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(); + 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 * @@ -437,25 +474,14 @@ namespace surf { * 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 * 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_assert(!latency || *latency >= 0.0, - "negative latency on route between \"%s\" and \"%s\"", src->getName(), dst->getName()); -} + XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name()); -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); @@ -468,28 +494,23 @@ xbt_dynar_t RoutingPlatf::recursiveGetOneLinkRoutes(As *rc) 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); } @@ -497,13 +518,14 @@ void routing_model_create( void *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(current_routing)->p_backbone, "The backbone link is already defined!"); - static_cast(current_routing)->p_backbone = - static_cast(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(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) @@ -534,14 +556,11 @@ 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; @@ -565,7 +584,7 @@ void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet) 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); @@ -588,9 +607,9 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer) 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("", peer->id); s_sg_platf_AS_cbarg_t AS = SG_PLATF_AS_INITIALIZER; @@ -598,19 +617,15 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer) AS.routing = A_surfxml_AS_routing_Cluster; sg_platf_new_AS_begin(&AS); - current_routing->p_linkUpDownList = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL); - XBT_DEBUG("", 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; @@ -619,7 +634,6 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer) 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; @@ -643,7 +657,7 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer) 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_sg_platf_router_cbarg_t router = SG_PLATF_ROUTER_INITIALIZER; @@ -651,7 +665,7 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer) router.id = router_id; router.coord = peer->coord; sg_platf_new_router(&router); - static_cast(current_routing)->p_router = static_cast(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL)); + static_cast(current_routing)->router_ = static_cast(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL)); XBT_DEBUG(""); sg_platf_new_AS_end(); @@ -665,126 +679,6 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer) 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; @@ -808,26 +702,6 @@ 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->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; @@ -836,39 +710,37 @@ void routing_exit(void) { 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; @@ -879,31 +751,26 @@ static simgrid::surf::As *surf_AS_recursive_get_by_name( 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) -{ - return as->p_routingSons; -} - -const char *surf_AS_get_model(simgrid::surf::As *as) +xbt_dict_t surf_AS_get_children(simgrid::surf::As *as) { - return as->p_modelDesc->name; + 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); }