X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9c92907fc7a130fd6abc60b98791daa320742ba2..8f4c00936fdabbd005cbf15ca132ceb248f72dcd:/src/simgrid/host.cpp diff --git a/src/simgrid/host.cpp b/src/simgrid/host.cpp index 701b7f469c..51bc85ed23 100644 --- a/src/simgrid/host.cpp +++ b/src/simgrid/host.cpp @@ -4,19 +4,49 @@ /* 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 + #include "xbt/dict.h" #include "simgrid/host.h" #include #include +#include "src/kernel/routing/NetPoint.hpp" +#include "src/simix/smx_host_private.h" #include "src/surf/HostImpl.hpp" -#include "surf/surf.h" // routing_get_network_element_type FIXME:killme +#include "src/surf/cpu_interface.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sg_host, sd, "Logging specific to sg_hosts"); +// FIXME: The following duplicates the content of s4u::Host +extern std::map host_list; + +extern "C" { + +void sg_host_exit() +{ + /* copy all names to not modify the map while iterating over it. + * + * Plus, the hosts are destroyed in the lexicographic order to ensure + * that the output is reproducible: we don't want to kill them in the + * pointer order as it could be platform-dependent, which would break + * the tests. + */ + std::vector names = std::vector(); + for (auto kv : host_list) + names.push_back(kv.second->name()); + + std::sort(names.begin(), names.end()); + + for (auto name : names) + host_list.at(name)->destroy(); + + // host_list.clear(); This would be sufficient if the dict would contain smart_ptr. It's now useless +} + size_t sg_host_count() { - return xbt_dict_length(host_list); + return host_list.size(); } /** @brief Returns the host list * @@ -35,7 +65,7 @@ sg_host_t *sg_host_list() { const char *sg_host_get_name(sg_host_t host) { - return host->name().c_str(); + return host->cname(); } void* sg_host_extension_get(sg_host_t host, size_t ext) @@ -53,24 +83,27 @@ sg_host_t sg_host_by_name(const char *name) return simgrid::s4u::Host::by_name_or_null(name); } +static int hostcmp_voidp(const void* pa, const void* pb) +{ + return strcmp((*static_cast(pa))->cname(), + (*static_cast(pb))->cname()); +} + xbt_dynar_t sg_hosts_as_dynar() { xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),nullptr); - xbt_dict_cursor_t cursor = nullptr; - const char* name = nullptr; - simgrid::s4u::Host* host = nullptr; - xbt_dict_foreach(host_list, cursor, name, host) - if (host && host->pimpl_netcard && host->pimpl_netcard->isHost()) - xbt_dynar_push(res, &host); + for (auto kv : host_list) { + simgrid::s4u::Host* host = kv.second; + if (host && host->pimpl_netpoint && host->pimpl_netpoint->isHost()) + xbt_dynar_push(res, &host); + } + xbt_dynar_sort(res, hostcmp_voidp); return res; } // ========= Layering madness ==============* -#include "src/surf/cpu_interface.hpp" -#include "src/surf/surf_routing.hpp" - // ========== User data Layer ========== void *sg_host_user(sg_host_t host) { return host->extension(USER_HOST_LEVEL); @@ -82,35 +115,18 @@ void sg_host_user_destroy(sg_host_t host) { host->extension_set(USER_HOST_LEVEL, nullptr); } -// ========== MSG Layer ============== -msg_host_priv_t sg_host_msg(sg_host_t host) { - return (msg_host_priv_t) host->extension(MSG_HOST_LEVEL); -} -void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) { - host->extension_set(MSG_HOST_LEVEL, smx_host); -} - -// ========== Simix layer ============= -smx_host_priv_t sg_host_simix(sg_host_t host){ - return (smx_host_priv_t) host->extension(SIMIX_HOST_LEVEL); -} -void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) { - host->extension_set(SIMIX_HOST_LEVEL, smx_host); -} -void sg_host_simix_destroy(sg_host_t host) { - host->extension_set(SIMIX_HOST_LEVEL, nullptr); -} - // ========= storage related functions ============ xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host){ - return host->extension()->getMountedStorageList(); + return host->pimpl_->getMountedStorageList(); } xbt_dynar_t sg_host_get_attached_storage_list(sg_host_t host){ - return host->extension()->getAttachedStorageList(); + xbt_dynar_t storage_dynar = xbt_dynar_new(sizeof(const char*), nullptr); + for (auto name : host->attachedStorages()) + xbt_dynar_push(storage_dynar, &name); + return storage_dynar; } - // =========== user-level functions =============== // ================================================ /** @brief Returns the total speed of a host */ @@ -163,6 +179,52 @@ const char *sg_host_get_property_value(sg_host_t host, const char *name) { return (const char*) xbt_dict_get_or_null(sg_host_get_properties(host), name); } +/** + * \brief Find a route between two hosts + * + * \param from where from + * \param to where to + * \param links [OUT] where to store the list of links (must exist, cannot be nullptr). + */ +void sg_host_route(sg_host_t from, sg_host_t to, xbt_dynar_t links) +{ + std::vector vlinks; + from->routeTo(to, &vlinks, nullptr); + for (auto link : vlinks) + xbt_dynar_push(links, &link); +} +/** + * \brief Find the latency of the route between two hosts + * + * \param from where from + * \param to where to + */ +double sg_host_route_latency(sg_host_t from, sg_host_t to) +{ + std::vector vlinks; + double res = 0; + from->routeTo(to, &vlinks, &res); + return res; +} +/** + * \brief Find the bandwitdh of the route between two hosts + * + * \param from where from + * \param to where to + */ +double sg_host_route_bandwidth(sg_host_t from, sg_host_t to) +{ + double min_bandwidth = -1.0; + + std::vector vlinks; + from->routeTo(to, &vlinks, nullptr); + for (auto link : vlinks) { + double bandwidth = link->bandwidth(); + if (bandwidth < min_bandwidth || min_bandwidth < 0.0) + min_bandwidth = bandwidth; + } + return min_bandwidth; +} /** @brief Displays debugging information about a host */ void sg_host_dump(sg_host_t host) @@ -171,10 +233,10 @@ void sg_host_dump(sg_host_t host) xbt_dict_cursor_t cursor=nullptr; char *key,*data; - XBT_INFO("Displaying host %s", sg_host_get_name(host)); + XBT_INFO("Displaying host %s", host->cname()); XBT_INFO(" - speed: %.0f", host->speed()); XBT_INFO(" - available speed: %.2f", sg_host_get_available_speed(host)); - props = sg_host_get_properties(host); + props = host->properties(); if (!xbt_dict_is_empty(props)){ XBT_INFO(" - properties:"); @@ -184,3 +246,5 @@ void sg_host_dump(sg_host_t host) } } } + +} // extern "C"