X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/198b09ec16ca1b8fc05053bcae9e75c0ad689711..afd3a47e007a0f91d206cc2e47b69b4b86970fc2:/src/surf/surf_routing.cpp diff --git a/src/surf/surf_routing.cpp b/src/surf/surf_routing.cpp index 7875245f8a..1bf0d25ee7 100644 --- a/src/surf/surf_routing.cpp +++ b/src/surf/surf_routing.cpp @@ -1,174 +1,7 @@ -/* Copyright (c) 2009-2011, 2013-2016. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2009-2016. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ -#include "surf_routing.hpp" +#include "xbt/dict.h" -#include "simgrid/sg_config.h" -#include "storage_interface.hpp" - -#include "src/surf/AsImpl.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 routing { - - /* Callbacks */ - simgrid::xbt::signal netcardCreatedCallbacks; - simgrid::xbt::signal asCreatedCallbacks; - - -}} // namespace simgrid::routing - -/** - * @ingroup SURF_build_api - * @brief A library containing all known hosts - */ -xbt_dict_t host_list = nullptr; - -int COORD_HOST_LEVEL = -1; //Coordinates level - -int MSG_FILE_LEVEL = -1; //Msg file level - -int SIMIX_STORAGE_LEVEL = -1; //Simix storage level -int MSG_STORAGE_LEVEL = -1; //Msg storage level - -xbt_lib_t as_router_lib; -int ROUTING_ASR_LEVEL = -1; //Routing level -int COORD_ASR_LEVEL = -1; //Coordinates level -int NS3_ASR_LEVEL = -1; //host node for ns3 -int ROUTING_PROP_ASR_LEVEL = -1; //Where the properties are stored - -/** @brief Retrieve a netcard from its name - * - * Netcards are the thing that connect host or routers to the network - */ -simgrid::routing::NetCard *sg_netcard_by_name_or_null(const char *name) -{ - sg_host_t h = sg_host_by_name(name); - simgrid::routing::NetCard *netcard = h==nullptr ? nullptr: h->pimpl_netcard; - if (!netcard) - netcard = (simgrid::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL); - return netcard; -} - -/* Global vars */ -simgrid::routing::RoutingPlatf *routing_platf = nullptr; - - -void sg_platf_new_trace(sg_platf_trace_cbarg_t trace) -{ - tmgr_trace_t tmgr_trace; - if (trace->file && strcmp(trace->file, "") != 0) { - tmgr_trace = tmgr_trace_new_from_file(trace->file); - } else { - xbt_assert(strcmp(trace->pc_data, ""), - "Trace '%s' must have either a content, or point to a file on disk.",trace->id); - tmgr_trace = tmgr_trace_new_from_string(trace->id, trace->pc_data, trace->periodicity); - } - xbt_dict_set(traces_set_list, trace->id, (void *) tmgr_trace, nullptr); -} - -namespace simgrid { -namespace routing { - -/** - * \brief Find a route between hosts - * - * \param src the network_element_t for src host - * \param dst the network_element_t for dst host - * \param route where to store the list of links. - * If *route=nullptr, create a short lived dynar. Else, fill the provided dynar - * \param latency where to store the latency experienced on the path (or nullptr if not interested) - * It is the caller responsability to initialize latency to 0 (we add to provided route) - * \pre route!=nullptr - * - * 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, std::vector * route, double *latency) -{ - XBT_DEBUG("getRouteAndLatency from %s to %s", src->name(), dst->name()); - - AsImpl::getRouteRecursive(src, dst, route, latency); -} - -static xbt_dynar_t _recursiveGetOneLinkRoutes(AsImpl *as) -{ - xbt_dynar_t ret = xbt_dynar_new(sizeof(Onelink*), xbt_free_f); - - //adding my one link routes - xbt_dynar_t onelink_mine = as->getOneLinkRoutes(); - if (onelink_mine) - xbt_dynar_merge(&ret,&onelink_mine); - - //recursing - char *key; - xbt_dict_cursor_t cursor = nullptr; - 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); - } - return ret; -} - -xbt_dynar_t RoutingPlatf::getOneLinkRoutes(){ - return _recursiveGetOneLinkRoutes(root_); -} - -} -} - -/** @brief create the root AS */ -void routing_model_create(Link *loopback) -{ - routing_platf = new simgrid::routing::RoutingPlatf(loopback); -} - -/* ************************************************************************** */ -/* ************************* GENERIC PARSE FUNCTIONS ************************ */ - -static void check_disk_attachment() -{ - xbt_lib_cursor_t cursor; - char *key; - void **data; - simgrid::routing::NetCard *host_elm; - xbt_lib_foreach(storage_lib, cursor, key, data) { - if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != nullptr) { - simgrid::surf::Storage *storage = static_cast(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL)); - host_elm = sg_netcard_by_name_or_null(storage->p_attach); - if(!host_elm) - surf_parse_error("Unable to attach storage %s: host %s doesn't exist.", storage->getName(), storage->p_attach); - } - } -} - -void routing_register_callbacks() -{ - simgrid::surf::on_postparse.connect(check_disk_attachment); - - instr_routing_define_callbacks(); -} - -/** \brief Frees all memory allocated by the routing module */ -void routing_exit(void) { - delete routing_platf; -} - -simgrid::routing::RoutingPlatf::RoutingPlatf(simgrid::surf::Link *loopback) -: loopback_(loopback) -{ -} -simgrid::routing::RoutingPlatf::~RoutingPlatf() -{ - delete root_; -}