X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3f9587e71330e7471ef675d2652cee260a0e3a96..d3c605045fe8c525f32393a054425d72edf47b18:/src/simgrid/host.cpp diff --git a/src/simgrid/host.cpp b/src/simgrid/host.cpp index 9808aa6f69..346a1c45b7 100644 --- a/src/simgrid/host.cpp +++ b/src/simgrid/host.cpp @@ -1,48 +1,27 @@ -/* Copyright (c) 2013-2016. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2013-2018. 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 #include -#include "xbt/dict.h" #include "simgrid/host.h" -#include -#include +#include "simgrid/s4u/Engine.hpp" +#include "simgrid/s4u/Host.hpp" +#include "xbt/Extendable.hpp" +#include "xbt/dict.h" -#include "src/kernel/routing/NetPoint.hpp" +#include "simgrid/kernel/routing/NetPoint.hpp" +#include "src/simix/smx_host_private.hpp" #include "src/surf/HostImpl.hpp" +#include "src/surf/cpu_interface.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sg_host, sd, "Logging specific to sg_hosts"); -extern std::unordered_map - host_list; // FIXME: don't duplicate the content of s4u::Host this way - -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 host_list.size(); + return simgrid::s4u::Engine::getInstance()->getHostCount(); } /** @brief Returns the host list * @@ -56,12 +35,17 @@ size_t sg_host_count() */ sg_host_t *sg_host_list() { xbt_assert(sg_host_count() > 0, "There is no host!"); - return (sg_host_t*)xbt_dynar_to_array(sg_hosts_as_dynar()); + std::vector hosts = simgrid::s4u::Engine::getInstance()->getAllHosts(); + + sg_host_t* res = (sg_host_t*)malloc(sizeof(sg_host_t) * hosts.size()); + memcpy(res, hosts.data(), sizeof(sg_host_t) * hosts.size()); + + return res; } const char *sg_host_get_name(sg_host_t host) { - return host->cname(); + return host->getCname(); } void* sg_host_extension_get(sg_host_t host, size_t ext) @@ -81,16 +65,17 @@ sg_host_t sg_host_by_name(const char *name) static int hostcmp_voidp(const void* pa, const void* pb) { - return strcmp((*static_cast(pa))->cname(), - (*static_cast(pb))->cname()); + return strcmp((*static_cast(pa))->getCname(), + (*static_cast(pb))->getCname()); } xbt_dynar_t sg_hosts_as_dynar() { xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),nullptr); - for (auto kv : host_list) { - simgrid::s4u::Host* host = kv.second; + std::vector list = simgrid::s4u::Engine::getInstance()->getAllHosts(); + + for (auto const& host : list) { if (host && host->pimpl_netpoint && host->pimpl_netpoint->isHost()) xbt_dynar_push(res, &host); } @@ -100,8 +85,6 @@ xbt_dynar_t sg_hosts_as_dynar() // ========= Layering madness ==============* -#include "src/surf/cpu_interface.hpp" - // ========== User data Layer ========== void *sg_host_user(sg_host_t host) { return host->extension(USER_HOST_LEVEL); @@ -113,36 +96,57 @@ 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 ============= -#include "src/simix/smx_host_private.h" -smx_host_priv_t sg_host_simix(sg_host_t host){ - return host->extension(); -} - // ========= storage related functions ============ xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host){ - return host->pimpl_->getMountedStorageList(); + xbt_assert((host != nullptr), "Invalid parameters"); + xbt_dict_t res = xbt_dict_new_homogeneous(nullptr); + for (auto const& elm : host->getMountedStorages()) { + const char* mount_name = elm.first.c_str(); + sg_storage_t storage = elm.second; + xbt_dict_set(res, mount_name, (void*)storage->getCname(), nullptr); + } + + return res; } xbt_dynar_t sg_host_get_attached_storage_list(sg_host_t host){ - return host->pimpl_->getAttachedStorageList(); + std::vector* storage_vector = new std::vector(); + xbt_dynar_t storage_dynar = xbt_dynar_new(sizeof(const char*), nullptr); + host->getAttachedStorages(storage_vector); + for (auto const& name : *storage_vector) + xbt_dynar_push(storage_dynar, &name); + delete storage_vector; + return storage_dynar; } - // =========== user-level functions =============== // ================================================ /** @brief Returns the total speed of a host */ double sg_host_speed(sg_host_t host) { - return host->speed(); + return host->getSpeed(); +} + +/** \brief Return the speed of the processor (in flop/s) at a given pstate. See also @ref plugin_energy. + * + * \param host host to test + * \param pstate_index pstate to test + * \return Returns the processor speed associated with pstate_index + */ +double sg_host_get_pstate_speed(sg_host_t host, int pstate_index) +{ + return host->getPstateSpeed(pstate_index); +} + +/** \ingroup m_host_management + * \brief Return the number of cores. + * + * \param host a host + * \return the number of cores + */ +int sg_host_core_count(sg_host_t host) +{ + return host->getCoreCount(); } double sg_host_get_available_speed(sg_host_t host) @@ -152,30 +156,86 @@ double sg_host_get_available_speed(sg_host_t host) /** @brief Returns the number of power states for a host. * - * See also @ref SURF_plugin_energy. + * See also @ref plugin_energy. */ int sg_host_get_nb_pstates(sg_host_t host) { - return host->pstatesCount(); + return host->getPstatesCount(); } /** @brief Gets the pstate at which that host currently runs. * - * See also @ref SURF_plugin_energy. + * See also @ref plugin_energy. */ int sg_host_get_pstate(sg_host_t host) { - return host->pstate(); + return host->getPstate(); } /** @brief Sets the pstate at which that host should run. * - * See also @ref SURF_plugin_energy. + * See also @ref plugin_energy. */ void sg_host_set_pstate(sg_host_t host,int pstate) { host->setPstate(pstate); } +/** \ingroup m_host_management + * + * \brief Start the host if it is off + * + * See also #sg_host_is_on() and #sg_host_is_off() to test the current state of the host and @ref plugin_energy + * for more info on DVFS. + */ +void sg_host_turn_on(sg_host_t host) +{ + host->turnOn(); +} + +/** \ingroup m_host_management + * + * \brief Stop the host if it is on + * + * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref plugin_energy + * for more info on DVFS. + */ +void sg_host_turn_off(sg_host_t host) +{ + host->turnOff(); +} + +/** @ingroup m_host_management + * @brief Determine if a host is up and running. + * + * See also #sg_host_turn_on() and #sg_host_turn_off() to switch the host ON and OFF and @ref plugin_energy for more + * info on DVFS. + * + * @param host host to test + * @return Returns true if the host is up and running, and false if it's currently down + */ +int sg_host_is_on(sg_host_t host) +{ + return host->isOn(); +} + +/** @ingroup m_host_management + * @brief Determine if a host is currently off. + * + * See also #sg_host_turn_on() and #sg_host_turn_off() to switch the host ON and OFF and @ref plugin_energy for more + * info on DVFS. + */ +int sg_host_is_off(sg_host_t host) +{ + return host->isOff(); +} + /** @brief Get the properties of an host */ xbt_dict_t sg_host_get_properties(sg_host_t host) { - return host->properties(); + xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f); + std::map* props = host->getProperties(); + if (props == nullptr) + return nullptr; + for (auto const& elm : *props) { + xbt_dict_set(as_dict, elm.first.c_str(), xbt_strdup(elm.second.c_str()), nullptr); + } + return as_dict; } /** \ingroup m_host_management @@ -187,26 +247,92 @@ xbt_dict_t sg_host_get_properties(sg_host_t host) { */ 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); + return host->getProperty(name); +} + +void sg_host_set_property_value(sg_host_t host, const char* name, const char* value) +{ + host->setProperty(name, value); +} + +/** + * \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 const& 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 const& 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) { - xbt_dict_t props; - xbt_dict_cursor_t cursor=nullptr; - char *key,*data; - - XBT_INFO("Displaying host %s", host->cname()); - XBT_INFO(" - speed: %.0f", host->speed()); + XBT_INFO("Displaying host %s", host->getCname()); + XBT_INFO(" - speed: %.0f", host->getSpeed()); XBT_INFO(" - available speed: %.2f", sg_host_get_available_speed(host)); - props = host->properties(); + std::map* props = host->getProperties(); - if (!xbt_dict_is_empty(props)){ + if (not props->empty()) { XBT_INFO(" - properties:"); - - xbt_dict_foreach(props,cursor,key,data) { - XBT_INFO(" %s->%s",key,data); + for (auto const& elm : *props) { + XBT_INFO(" %s->%s", elm.first.c_str(), elm.second.c_str()); } } } + +/** \brief Return the list of actors attached to an host. + * + * \param host a host + * \param whereto a dynar in which we should push actors living on that host + */ +void sg_host_get_actor_list(sg_host_t host, xbt_dynar_t whereto) +{ + for (auto& actor : host->extension()->process_list) { + s4u_Actor* p = actor.ciface(); + xbt_dynar_push(whereto, &p); + } +} + +sg_host_t sg_host_self() +{ + smx_actor_t process = SIMIX_process_self(); + return (process == nullptr) ? nullptr : process->host; +}