X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c638214a29abfed2c93678be136ad7d2dcd1940e..8f4c00936fdabbd005cbf15ca132ceb248f72dcd:/src/simgrid/host.cpp diff --git a/src/simgrid/host.cpp b/src/simgrid/host.cpp index af11f632bf..51bc85ed23 100644 --- a/src/simgrid/host.cpp +++ b/src/simgrid/host.cpp @@ -1,135 +1,250 @@ -/* Copyright (c) 2013-2015. The SimGrid Team. +/* Copyright (c) 2013-2016. 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 + #include "xbt/dict.h" #include "simgrid/host.h" -#include "surf/surf_routing.h" // SIMIX_HOST_LEVEL and friends FIXME: make private here -#include "surf/surf.h" // routing_get_network_element_type FIXME:killme - -sg_host_t sg_host_by_name(const char *name){ - return xbt_lib_get_elm_or_null(host_lib, name); -} - -sg_host_t sg_host_by_name_or_create(const char *name) { - sg_host_t res = xbt_lib_get_elm_or_null(host_lib, name); - if (!res) { - xbt_lib_set(host_lib,name,0,NULL); // Should only create the bucklet with no data added - res = xbt_lib_get_elm_or_null(host_lib, name); - } - return res; -} -xbt_dynar_t sg_hosts_as_dynar(void) { - xbt_lib_cursor_t cursor; - char *key; - void **data; - xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t),NULL); - - xbt_lib_foreach(host_lib, cursor, key, data) { - if(routing_get_network_element_type(key) == SURF_NETWORK_ELEMENT_HOST) { - xbt_dictelm_t elm = xbt_dict_cursor_get_elm(cursor); - xbt_dynar_push(res, &elm); - } - } - return res; -} +#include +#include -// ========= Layering madness ============== +#include "src/kernel/routing/NetPoint.hpp" +#include "src/simix/smx_host_private.h" +#include "src/surf/HostImpl.hpp" +#include "src/surf/cpu_interface.hpp" -int MSG_HOST_LEVEL; -int SD_HOST_LEVEL; -int SIMIX_HOST_LEVEL; -int ROUTING_HOST_LEVEL; -int SURF_CPU_LEVEL; +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; -#include "msg/msg_private.h" // MSG_host_priv_free. FIXME: killme -#include "simdag/private.h" // __SD_workstation_destroy. FIXME: killme -#include "simix/smx_host_private.h" // SIMIX_host_destroy. FIXME: killme -#include "surf/cpu_interface.hpp" -#include "surf/surf_routing.hpp" +extern "C" { -static XBT_INLINE void surf_cpu_free(void *r) { - delete static_cast(r); -} -static XBT_INLINE void routing_asr_host_free(void *p) { - delete static_cast(p); -} +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()); -void sg_host_init() { // FIXME: only add the needed levels - MSG_HOST_LEVEL = xbt_lib_add_level(host_lib, (void_f_pvoid_t) __MSG_host_priv_free); - SD_HOST_LEVEL = xbt_lib_add_level(host_lib,__SD_workstation_destroy); + for (auto name : names) + host_list.at(name)->destroy(); - SIMIX_HOST_LEVEL = xbt_lib_add_level(host_lib,SIMIX_host_destroy); - SURF_CPU_LEVEL = xbt_lib_add_level(host_lib,surf_cpu_free); - ROUTING_HOST_LEVEL = xbt_lib_add_level(host_lib,routing_asr_host_free); + // host_list.clear(); This would be sufficient if the dict would contain smart_ptr. It's now useless } -// ========== MSG Layer ============== -msg_host_priv_t sg_host_msg(sg_host_t host) { - return (msg_host_priv_t) xbt_lib_get_level(host, MSG_HOST_LEVEL); -} -void sg_host_msg_set(sg_host_t host, msg_host_priv_t smx_host) { - xbt_lib_set(host_lib,host->key,MSG_HOST_LEVEL,smx_host); -} -void sg_host_msg_destroy(sg_host_t host) { - xbt_lib_unset(host_lib,host->key,MSG_HOST_LEVEL,1); -} -// ========== SimDag Layer ============== -SD_workstation_priv_t sg_host_sd(sg_host_t host) { - return (SD_workstation_priv_t) xbt_lib_get_level(host, SD_HOST_LEVEL); +size_t sg_host_count() +{ + return host_list.size(); } -void sg_host_sd_set(sg_host_t host, SD_workstation_priv_t smx_host) { - xbt_lib_set(host_lib,host->key,SD_HOST_LEVEL,smx_host); -} -void sg_host_sd_destroy(sg_host_t host) { - xbt_lib_unset(host_lib,host->key,SD_HOST_LEVEL,1); +/** @brief Returns the host list + * + * Uses sg_host_count() to know the array size. + * + * \return an array of \ref sg_host_t containing all the hosts in the platform. + * \remark The host order in this array is generally different from the + * creation/declaration order in the XML platform (we use a hash table + * internally). + * \see 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()); } -// ========== Simix layer ============= -smx_host_priv_t sg_host_simix(sg_host_t host){ - return (smx_host_priv_t) xbt_lib_get_level(host, SIMIX_HOST_LEVEL); -} -void sg_host_simix_set(sg_host_t host, smx_host_priv_t smx_host) { - xbt_lib_set(host_lib,host->key,SIMIX_HOST_LEVEL,smx_host); -} -void sg_host_simix_destroy(sg_host_t host) { - xbt_lib_unset(host_lib,host->key,SIMIX_HOST_LEVEL,1); +const char *sg_host_get_name(sg_host_t host) +{ + return host->cname(); } -// ========== SURF CPU ============ -surf_cpu_t sg_host_surfcpu(sg_host_t host) { - return (surf_cpu_t) xbt_lib_get_level(host, SURF_CPU_LEVEL); -} -void sg_host_surfcpu_set(sg_host_t host, surf_cpu_t cpu) { - xbt_lib_set(host_lib, host->key, SURF_CPU_LEVEL, cpu); -} -void sg_host_surfcpu_destroy(sg_host_t host) { - xbt_lib_unset(host_lib,host->key,SURF_CPU_LEVEL,1); -} -// ========== RoutingEdge ============ -RoutingEdgePtr sg_host_edge(sg_host_t host) { - return (RoutingEdgePtr) xbt_lib_get_level(host, ROUTING_HOST_LEVEL); +void* sg_host_extension_get(sg_host_t host, size_t ext) +{ + return host->extension(ext); } -void sg_host_edge_set(sg_host_t host, RoutingEdgePtr edge) { - xbt_lib_set(host_lib, host->key, ROUTING_HOST_LEVEL, edge); -} -void sg_host_edge_destroy(sg_host_t host, int do_callback) { - xbt_lib_unset(host_lib,host->key,ROUTING_HOST_LEVEL,do_callback); + +size_t sg_host_extension_create(void(*deleter)(void*)) +{ + return simgrid::s4u::Host::extension_create(deleter); } +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()); +} -/* -host::host() { - // TODO Auto-generated constructor stub +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; + if (host && host->pimpl_netpoint && host->pimpl_netpoint->isHost()) + xbt_dynar_push(res, &host); + } + xbt_dynar_sort(res, hostcmp_voidp); + return res; } -host::~host() { - // TODO Auto-generated destructor stub -}*/ - +// ========= Layering madness ==============* + +// ========== User data Layer ========== +void *sg_host_user(sg_host_t host) { + return host->extension(USER_HOST_LEVEL); +} +void sg_host_user_set(sg_host_t host, void* userdata) { + host->extension_set(USER_HOST_LEVEL,userdata); +} +void sg_host_user_destroy(sg_host_t host) { + host->extension_set(USER_HOST_LEVEL, nullptr); +} + +// ========= storage related functions ============ +xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host){ + return host->pimpl_->getMountedStorageList(); +} + +xbt_dynar_t sg_host_get_attached_storage_list(sg_host_t host){ + 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 */ +double sg_host_speed(sg_host_t host) +{ + return host->speed(); +} + +double sg_host_get_available_speed(sg_host_t host) +{ + return host->pimpl_cpu->getAvailableSpeed(); +} + +/** @brief Returns the number of power states for a host. + * + * See also @ref SURF_plugin_energy. + */ +int sg_host_get_nb_pstates(sg_host_t host) { + return host->pstatesCount(); +} + +/** @brief Gets the pstate at which that host currently runs. + * + * See also @ref SURF_plugin_energy. + */ +int sg_host_get_pstate(sg_host_t host) { + return host->pstate(); +} +/** @brief Sets the pstate at which that host should run. + * + * See also @ref SURF_plugin_energy. + */ +void sg_host_set_pstate(sg_host_t host,int pstate) { + host->setPstate(pstate); +} + +/** @brief Get the properties of an host */ +xbt_dict_t sg_host_get_properties(sg_host_t host) { + return host->properties(); +} + +/** \ingroup m_host_management + * \brief Returns the value of a given host property + * + * \param host a host + * \param name a property name + * \return value of a property (or nullptr if property not set) +*/ +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) +{ + 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(" - available speed: %.2f", sg_host_get_available_speed(host)); + props = host->properties(); + + if (!xbt_dict_is_empty(props)){ + XBT_INFO(" - properties:"); + + xbt_dict_foreach(props,cursor,key,data) { + XBT_INFO(" %s->%s",key,data); + } + } +} + +} // extern "C"