X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/026c5a576fbea1da8f6290f4435d5424ce0efe8b..209b2c14ca411bd87d8c1eb856cb7bf5013d76ef:/src/s4u/s4u_Host.cpp diff --git a/src/s4u/s4u_Host.cpp b/src/s4u/s4u_Host.cpp index 572ee4ada9..67936f54da 100644 --- a/src/s4u/s4u_Host.cpp +++ b/src/s4u/s4u_Host.cpp @@ -1,68 +1,72 @@ -/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2006-2023. 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 "simgrid/kernel/routing/NetPoint.hpp" -#include "simgrid/s4u/Actor.hpp" -#include "simgrid/s4u/Engine.hpp" -#include "simgrid/s4u/Exec.hpp" +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "simgrid/simix.hpp" +#include "src/kernel/resource/StandardLinkImpl.hpp" +#include "src/kernel/resource/VirtualMachineImpl.hpp" #include "src/surf/HostImpl.hpp" #include XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_host, s4u, "Logging specific to the S4U hosts"); -XBT_LOG_EXTERNAL_CATEGORY(surf_route); - -int USER_HOST_LEVEL = -1; +XBT_LOG_EXTERNAL_CATEGORY(ker_routing); namespace simgrid { -namespace xbt { -template class Extendable; -} +template class xbt::Extendable; namespace s4u { -simgrid::xbt::signal Host::on_creation; -simgrid::xbt::signal Host::on_destruction; -simgrid::xbt::signal Host::on_state_change; -simgrid::xbt::signal Host::on_speed_change; +#ifndef DOXYGEN +xbt::signal Host::on_creation; +xbt::signal Host::on_destruction; +xbt::signal Host::on_state_change; +xbt::signal Host::on_speed_change; +#endif -Host::Host(std::string name) : name_(std::move(name)) +Host* Host::set_cpu(kernel::resource::CpuImpl* cpu) { - xbt_assert(Host::by_name_or_null(name_) == nullptr, "Refusing to create a second host named '%s'.", get_cname()); - Engine::get_instance()->host_register(std::string(name_), this); - new simgrid::surf::HostImpl(this); + pimpl_cpu_ = cpu; + return this; } -Host::~Host() +#ifndef DOXYGEN +Host* Host::set_netpoint(kernel::routing::NetPoint* netpoint) { - xbt_assert(currentlyDestroying_, "Please call h->destroy() instead of manually deleting it."); + pimpl_netpoint_ = netpoint; + return this; +} - delete pimpl_; - if (pimpl_netpoint != nullptr) // not removed yet by a children class - simgrid::s4u::Engine::get_instance()->netpoint_unregister(pimpl_netpoint); - delete pimpl_cpu; - delete mounts_; +Host::~Host() +{ + if (pimpl_netpoint_ != nullptr) // not removed yet by a children class + Engine::get_instance()->netpoint_unregister(pimpl_netpoint_); + delete pimpl_cpu_; } +#endif /** @brief Fire the required callbacks and destroy the object * * Don't delete directly a host, call h->destroy() instead. * - * This is cumbersome but this is the simplest solution to ensure that the - * onDestruction() callback receives a valid object (because of the destructor - * order in a class hierarchy). + * This is cumbersome but this is the simplest solution to ensure that the on_destruction() callback receives a valid + * object (because of the destructor order in a class hierarchy). */ void Host::destroy() { - if (not currentlyDestroying_) { - currentlyDestroying_ = true; - on_destruction(*this); - Engine::get_instance()->host_unregister(std::string(name_)); - delete this; - } + kernel::actor::simcall_answered([this] { this->pimpl_->destroy(); }); } Host* Host::by_name(const std::string& name) @@ -76,17 +80,26 @@ Host* Host::by_name_or_null(const std::string& name) Host* Host::current() { - smx_actor_t smx_proc = SIMIX_process_self(); - if (smx_proc == nullptr) - xbt_die("Cannot call Host::current() from the maestro context"); - return smx_proc->host_; + const kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self(); + xbt_assert(self != nullptr, "Cannot call Host::current() from the maestro context"); + return self->get_host(); +} + +std::string const& Host::get_name() const +{ + return this->pimpl_->get_name(); +} + +const char* Host::get_cname() const +{ + return this->pimpl_->get_cname(); } void Host::turn_on() { if (not is_on()) { - simgrid::simix::simcall([this] { - this->pimpl_cpu->turn_on(); + kernel::actor::simcall_answered([this] { + this->pimpl_cpu_->turn_on(); this->pimpl_->turn_on(); on_state_change(*this); }); @@ -97,9 +110,10 @@ void Host::turn_on() void Host::turn_off() { if (is_on()) { - simgrid::simix::simcall([this] { - this->pimpl_cpu->turn_off(); - this->pimpl_->turn_off(); + const kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self(); + kernel::actor::simcall_answered([this, self] { + this->pimpl_cpu_->turn_off(); + this->pimpl_->turn_off(self); on_state_change(*this); }); @@ -108,12 +122,12 @@ void Host::turn_off() bool Host::is_on() const { - return this->pimpl_cpu->is_on(); + return this->pimpl_cpu_->is_on(); } -int Host::get_pstate_count() const +unsigned long Host::get_pstate_count() const { - return this->pimpl_cpu->get_pstate_count(); + return this->pimpl_cpu_->get_pstate_count(); } /** @@ -121,33 +135,17 @@ int Host::get_pstate_count() const * * Daemons and regular actors are all mixed in this list. */ -std::vector Host::get_all_actors() +std::vector Host::get_all_actors() const { return pimpl_->get_all_actors(); } /** @brief Returns how many actors (daemonized or not) have been launched on this host */ -int Host::get_actor_count() +size_t Host::get_actor_count() const { return pimpl_->get_actor_count(); } -/** @deprecated */ -void Host::getProcesses(std::vector* list) -{ - auto actors = get_all_actors(); - for (auto& actor : actors) - list->push_back(actor); -} - -/** @deprecated */ -void Host::actorList(std::vector* whereto) -{ - auto actors = get_all_actors(); - for (auto& actor : actors) - whereto->push_back(actor); -} - /** * @brief Find a route toward another host * @@ -155,35 +153,40 @@ void Host::actorList(std::vector* whereto) * @param links [OUT] where to store the list of links (must exist, cannot be nullptr). * @param latency [OUT] where to store the latency experienced on the path (or nullptr if not interested) * It is the caller responsibility to initialize latency to 0 (we add to provided route) - * @pre links!=nullptr * * walk through the routing components tree and find a route between hosts * by calling each "get_route" function in each routing component. */ -void Host::route_to(Host* dest, std::vector& links, double* latency) +void Host::route_to(const Host* dest, std::vector& links, double* latency) const { - std::vector linkImpls; + std::vector linkImpls; this->route_to(dest, linkImpls, latency); - for (kernel::resource::LinkImpl* const& l : linkImpls) - links.push_back(&l->piface_); + for (auto* l : linkImpls) + links.push_back(l->get_iface()); } /** @brief Just like Host::routeTo, but filling an array of link implementations */ -void Host::route_to(Host* dest, std::vector& links, double* latency) +void Host::route_to(const Host* dest, std::vector& links, double* latency) const { - simgrid::kernel::routing::NetZoneImpl::get_global_route(pimpl_netpoint, dest->pimpl_netpoint, links, latency); - if (XBT_LOG_ISENABLED(surf_route, xbt_log_priority_debug)) { - XBT_CDEBUG(surf_route, "Route from '%s' to '%s' (latency: %f):", get_cname(), dest->get_cname(), + kernel::routing::NetZoneImpl::get_global_route(pimpl_netpoint_, dest->get_netpoint(), links, latency); + if (XBT_LOG_ISENABLED(ker_routing, xbt_log_priority_debug)) { + XBT_CDEBUG(ker_routing, "Route from '%s' to '%s' (latency: %f):", get_cname(), dest->get_cname(), (latency == nullptr ? -1 : *latency)); - for (auto const& link : links) - XBT_CDEBUG(surf_route, "Link %s", link->get_cname()); + for (auto const* link : links) + XBT_CDEBUG(ker_routing, " Link '%s'", link->get_cname()); } } +/** @brief Returns the networking zone englobing that host */ +NetZone* Host::get_englobing_zone() const +{ + return pimpl_netpoint_->get_englobing_zone()->get_iface(); +} + /** Get the properties assigned to a host */ -std::unordered_map* Host::get_properties() +const std::unordered_map* Host::get_properties() const { - return simgrid::simix::simcall([this] { return this->pimpl_->get_properties(); }); + return this->pimpl_->get_properties(); } /** Retrieve the property value (or nullptr if not set) */ @@ -192,129 +195,215 @@ const char* Host::get_property(const std::string& key) const return this->pimpl_->get_property(key); } -void Host::set_property(const std::string& key, std::string value) +Host* Host::set_property(const std::string& key, const std::string& value) { - simgrid::simix::simcall([this, key, value] { this->pimpl_->set_property(key, std::move(value)); }); + kernel::actor::simcall_object_access(pimpl_, [this, &key, &value] { this->pimpl_->set_property(key, value); }); + return this; } -/** Specify a profile turning the host on and off according to a exhaustive list or a stochastic law. + +Host* Host::set_properties(const std::unordered_map& properties) +{ + kernel::actor::simcall_object_access(pimpl_, [this, &properties] { this->pimpl_->set_properties(properties); }); + return this; +} + +/** Specify a profile turning the host on and off according to an exhaustive list or a stochastic law. * The profile must contain boolean values. */ -void Host::set_state_profile(kernel::profile::Profile* p) +Host* Host::set_state_profile(kernel::profile::Profile* p) { - return simgrid::simix::simcall([this, p] { pimpl_cpu->set_state_profile(p); }); + kernel::actor::simcall_object_access(pimpl_, [this, p] { pimpl_cpu_->set_state_profile(p); }); + return this; } -/** Specify a profile modeling the external load according to a exhaustive list or a stochastic law. +/** Specify a profile modeling the external load according to an exhaustive list or a stochastic law. * * Each event of the profile represent a peak speed change that is due to external load. The values are given as a rate * of the initial value. This means that the actual value is obtained by multiplying the initial value (the peek speed * at this pstate level) by the rate coming from the profile. */ -void Host::set_speed_profile(kernel::profile::Profile* p) +Host* Host::set_speed_profile(kernel::profile::Profile* p) { - return simgrid::simix::simcall([this, p] { pimpl_cpu->set_speed_profile(p); }); + kernel::actor::simcall_object_access(pimpl_, [this, p] { pimpl_cpu_->set_speed_profile(p); }); + return this; } /** @brief Get the peak processor speed (in flops/s), at the specified pstate */ -double Host::get_pstate_speed(int pstate_index) const +double Host::get_pstate_speed(unsigned long pstate_index) const { - return simgrid::simix::simcall([this, pstate_index] { return this->pimpl_cpu->get_pstate_peak_speed(pstate_index); }); + return this->pimpl_cpu_->get_pstate_peak_speed(pstate_index); } -/** @brief Get the peak computing speed in flops/s at the current pstate, NOT taking the external load into account. - * - * The amount of flops per second available for computing depends on several things: - * - The current pstate determines the maximal peak computing speed (use @ref get_pstate_speed() to retrieve the - * computing speed you would get at another pstate) - * - If you declared an external load (with @ref simgrid::surf::Cpu::set_speed_profile()), you must multiply the - * result of get_speed() by get_available_speed() to retrieve what a new computation would get. - * - * The remaining speed is then shared between the executions located on this host. - * You can retrieve the amount of tasks currently running on this host with @ref get_load(). - * - * The host may have multiple cores, and your executions may be able to use more than a single core. - * - * Finally, executions of priority 2 get twice the amount of flops than executions of priority 1. - */ double Host::get_speed() const { - return this->pimpl_cpu->get_speed(1.0); + return this->pimpl_cpu_->get_speed(1.0); } -/** @brief Returns the current computation load (in flops per second) - * - * The external load (coming from an availability trace) is not taken in account. - * You may also be interested in the load plugin. - */ double Host::get_load() const { - return this->pimpl_cpu->get_load(); + return this->pimpl_cpu_->get_load(); } -/** @brief Get the available speed ratio, between 0 and 1. - * - * This accounts for external load (see @ref simgrid::surf::Cpu::set_speed_profile()). - */ double Host::get_available_speed() const { - return this->pimpl_cpu->get_speed_ratio(); + return this->pimpl_cpu_->get_speed_ratio(); +} + +Host* Host::set_sharing_policy(SharingPolicy policy, const s4u::NonLinearResourceCb& cb) +{ + kernel::actor::simcall_object_access(pimpl_, [this, policy, &cb] { pimpl_cpu_->set_sharing_policy(policy, cb); }); + return this; +} + +Host::SharingPolicy Host::get_sharing_policy() const +{ + return this->pimpl_cpu_->get_sharing_policy(); } -/** @brief Returns the number of core of the processor. */ int Host::get_core_count() const { - return this->pimpl_cpu->get_core_count(); + return this->pimpl_cpu_->get_core_count(); +} + +Host* Host::set_core_count(int core_count) +{ + kernel::actor::simcall_object_access(pimpl_, [this, core_count] { this->pimpl_cpu_->set_core_count(core_count); }); + return this; +} + +Host* Host::set_pstate_speed(const std::vector& speed_per_state) +{ + kernel::actor::simcall_object_access(pimpl_, + [this, &speed_per_state] { pimpl_cpu_->set_pstate_speed(speed_per_state); }); + return this; +} + +std::vector Host::convert_pstate_speed_vector(const std::vector& speed_per_state) +{ + std::vector speed_list; + speed_list.reserve(speed_per_state.size()); + for (const auto& speed_str : speed_per_state) { + try { + double speed = xbt_parse_get_speed("", 0, speed_str, ""); + speed_list.push_back(speed); + } catch (const simgrid::ParseError&) { + throw std::invalid_argument("Invalid speed value: " + speed_str); + } + } + return speed_list; +} + +Host* Host::set_pstate_speed(const std::vector& speed_per_state) +{ + set_pstate_speed(Host::convert_pstate_speed_vector(speed_per_state)); + return this; } /** @brief Set the pstate at which the host should run */ -void Host::set_pstate(int pstate_index) +Host* Host::set_pstate(unsigned long pstate_index) { - simgrid::simix::simcall([this, pstate_index] { this->pimpl_cpu->set_pstate(pstate_index); }); + kernel::actor::simcall_object_access(pimpl_, [this, pstate_index] { this->pimpl_cpu_->set_pstate(pstate_index); }); + return this; } + /** @brief Retrieve the pstate at which the host is currently running */ -int Host::get_pstate() const +unsigned long Host::get_pstate() const { - return this->pimpl_cpu->get_pstate(); + return this->pimpl_cpu_->get_pstate(); } -/** - * @ingroup simix_storage_management - * @brief Returns the list of storages attached to a host. - * @return a vector containing all storages attached to the host - */ -std::vector Host::get_attached_storages() const +Host* Host::set_factor_cb(const std::function& cb) { - return simgrid::simix::simcall([this] { return this->pimpl_->get_attached_storages(); }); + kernel::actor::simcall_object_access(pimpl_, [this, &cb] { pimpl_cpu_->set_factor_cb(cb); }); + return this; } -void Host::getAttachedStorages(std::vector* storages) +Host* Host::set_coordinates(const std::string& coords) { - std::vector local_storages = - simgrid::simix::simcall([this] { return this->pimpl_->get_attached_storages(); }); - for (auto elm : local_storages) - storages->push_back(elm); + if (not coords.empty()) + kernel::actor::simcall_object_access(pimpl_, [this, coords] { this->pimpl_netpoint_->set_coordinates(coords); }); + return this; +} +std::vector Host::get_disks() const +{ + return this->pimpl_->get_disks(); } -std::unordered_map const& Host::get_mounted_storages() +Disk* Host::create_disk(const std::string& name, double read_bandwidth, double write_bandwidth) { - if (mounts_ == nullptr) { - mounts_ = new std::unordered_map(); - for (auto const& m : this->pimpl_->storage_) { - mounts_->insert({m.first, &m.second->piface_}); - } + return kernel::actor::simcall_answered([this, &name, read_bandwidth, write_bandwidth] { + auto* disk = pimpl_->create_disk(name, read_bandwidth, write_bandwidth); + pimpl_->add_disk(disk); + return disk; + }); +} + +Disk* Host::create_disk(const std::string& name, const std::string& read_bandwidth, const std::string& write_bandwidth) +{ + double d_read; + try { + d_read = xbt_parse_get_bandwidth("", 0, read_bandwidth, ""); + } catch (const simgrid::ParseError&) { + throw std::invalid_argument("Impossible to create disk: " + name + ". Invalid read bandwidth: " + read_bandwidth); + } + double d_write; + try { + d_write = xbt_parse_get_bandwidth("", 0, write_bandwidth, ""); + } catch (const simgrid::ParseError&) { + throw std::invalid_argument("Impossible to create disk: " + name + ". Invalid write bandwidth: " + write_bandwidth); } - return *mounts_; + return create_disk(name, d_read, d_write); } -ExecPtr Host::exec_async(double flops) +void Host::add_disk(const Disk* disk) { - return this_actor::exec_init(flops)->set_host(this); + kernel::actor::simcall_answered([this, disk] { this->pimpl_->add_disk(disk); }); } -void Host::execute(double flops) +void Host::remove_disk(const std::string& disk_name) +{ + kernel::actor::simcall_answered([this, disk_name] { this->pimpl_->remove_disk(disk_name); }); +} + +VirtualMachine* Host::create_vm(const std::string& name, int core_amount) +{ + return kernel::actor::simcall_answered( + [this, &name, core_amount] { return this->pimpl_->create_vm(name, core_amount); }); +} + +VirtualMachine* Host::create_vm(const std::string& name, int core_amount, size_t ramsize) +{ + return kernel::actor::simcall_answered( + [this, &name, core_amount, ramsize] { return this->pimpl_->create_vm(name, core_amount, ramsize); }); +} + +VirtualMachine* Host::vm_by_name_or_null(const std::string& name) +{ + simgrid::kernel::resource::VirtualMachineImpl* vm = this->pimpl_->get_vm_by_name_or_null(name); + return vm ? vm->get_iface() : nullptr; +} + +ExecPtr Host::exec_init(double flops) const +{ + return this_actor::exec_init(flops); +} + +ExecPtr Host::exec_async(double flops) const +{ + return this_actor::exec_async(flops); +} + +void Host::execute(double flops) const { execute(flops, 1.0 /* priority */); } -void Host::execute(double flops, double priority) +void Host::execute(double flops, double priority) const +{ + this_actor::exec_init(flops)->set_priority(1 / priority)->vetoable_start()->wait(); +} + +Host* Host::seal() { - this_actor::exec_init(flops)->set_host(this)->set_priority(1 / priority)->start()->wait(); + kernel::actor::simcall_answered([this]() { this->pimpl_->seal(); }); + simgrid::s4u::Host::on_creation(*this); // notify the signal + return this; } } // namespace s4u @@ -325,33 +414,26 @@ size_t sg_host_count() { return simgrid::s4u::Engine::get_instance()->get_host_count(); } -/** @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!"); - std::vector hosts = simgrid::s4u::Engine::get_instance()->get_all_hosts(); + const simgrid::s4u::Engine* e = simgrid::s4u::Engine::get_instance(); + size_t host_count = e->get_host_count(); + + xbt_assert(host_count > 0, "There is no host!"); + std::vector hosts = e->get_all_hosts(); - sg_host_t* res = (sg_host_t*)malloc(sizeof(sg_host_t) * hosts.size()); - memcpy(res, hosts.data(), sizeof(sg_host_t) * hosts.size()); + auto* res = xbt_new(sg_host_t, hosts.size()); + std::copy(begin(hosts), end(hosts), res); return res; } -const char* sg_host_get_name(sg_host_t host) +const char* sg_host_get_name(const_sg_host_t host) { return host->get_cname(); } -void* sg_host_extension_get(sg_host_t host, size_t ext) +void* sg_host_extension_get(const_sg_host_t host, size_t ext) { return host->extension(ext); } @@ -366,78 +448,48 @@ sg_host_t sg_host_by_name(const char* name) return simgrid::s4u::Host::by_name_or_null(name); } -xbt_dynar_t sg_hosts_as_dynar() +/** @brief Retrieve a VM running on a given host from its name, or return NULL if no VM matches*/ +sg_vm_t sg_vm_by_name(sg_host_t host, const char* name) { - xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), nullptr); - - std::vector list = simgrid::s4u::Engine::get_instance()->get_all_hosts(); - - for (auto const& host : list) { - if (host && host->pimpl_netpoint && host->pimpl_netpoint->is_host()) - xbt_dynar_push(res, &host); - } - xbt_dynar_sort(res, [](const void* pa, const void* pb) { - const std::string& na = (*static_cast(pa))->get_name(); - const std::string& nb = (*static_cast(pb))->get_name(); - return na.compare(nb); - }); - return res; + return host->vm_by_name_or_null(name); } // ========= 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) +void* sg_host_get_data(const_sg_host_t host) { - host->extension_set(USER_HOST_LEVEL, userdata); + return host->get_data(); } -void sg_host_user_destroy(sg_host_t host) +void sg_host_set_data(sg_host_t host, void* userdata) { - host->extension_set(USER_HOST_LEVEL, nullptr); + host->set_data(userdata); } -// ========= storage related functions ============ -xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host) +// ========= Disk related functions ============ +void sg_host_get_disks(const_sg_host_t host, unsigned int* disk_count, sg_disk_t** disks) { - xbt_assert((host != nullptr), "Invalid parameters"); - xbt_dict_t res = xbt_dict_new_homogeneous(nullptr); - for (auto const& elm : host->get_mounted_storages()) { - const char* mount_name = elm.first.c_str(); - sg_storage_t storage = elm.second; - xbt_dict_set(res, mount_name, (void*)storage->get_cname(), nullptr); - } - - return res; -} - -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); - std::vector storage_vector = host->get_attached_storages(); - for (auto const& name : storage_vector) - xbt_dynar_push(storage_dynar, &name); - return storage_dynar; + std::vector list = host->get_disks(); + *disk_count = list.size(); + *disks = xbt_new(sg_disk_t, list.size()); + std::copy(begin(list), end(list), *disks); } // =========== user-level functions =============== // ================================================ /** @brief Returns the total speed of a host */ -double sg_host_speed(sg_host_t host) +double sg_host_get_speed(const_sg_host_t host) { return host->get_speed(); } -/** @brief Return the speed of the processor (in flop/s) at a given pstate. See also @ref plugin_energy. +/** @brief Return the speed of the processor (in flop/s) at a given pstate. See also @ref plugin_host_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) +double sg_host_get_pstate_speed(const_sg_host_t host, unsigned long pstate_index) { return host->get_pstate_speed(pstate_index); } @@ -448,38 +500,38 @@ double sg_host_get_pstate_speed(sg_host_t host, int pstate_index) * @param host a host * @return the number of cores */ -int sg_host_core_count(sg_host_t host) +int sg_host_core_count(const_sg_host_t host) { return host->get_core_count(); } -double sg_host_get_available_speed(sg_host_t host) +double sg_host_get_available_speed(const_sg_host_t host) { return host->get_available_speed(); } /** @brief Returns the number of power states for a host. * - * See also @ref plugin_energy. + * See also @ref plugin_host_energy. */ -int sg_host_get_nb_pstates(sg_host_t host) +unsigned long sg_host_get_nb_pstates(const_sg_host_t host) { return host->get_pstate_count(); } /** @brief Gets the pstate at which that host currently runs. * - * See also @ref plugin_energy. + * See also @ref plugin_host_energy. */ -int sg_host_get_pstate(sg_host_t host) +unsigned long sg_host_get_pstate(const_sg_host_t host) { return host->get_pstate(); } /** @brief Sets the pstate at which that host should run. * - * See also @ref plugin_energy. + * See also @ref plugin_host_energy. */ -void sg_host_set_pstate(sg_host_t host, int pstate) +void sg_host_set_pstate(sg_host_t host, unsigned long pstate) { host->set_pstate(pstate); } @@ -488,7 +540,7 @@ void sg_host_set_pstate(sg_host_t host, int pstate) * * @brief Start the host if it is off * - * See also #sg_host_is_on() to test the current state of the host and @ref plugin_energy + * See also #sg_host_is_on() to test the current state of the host and @ref plugin_host_energy * for more info on DVFS. */ void sg_host_turn_on(sg_host_t host) @@ -500,7 +552,7 @@ void sg_host_turn_on(sg_host_t host) * * @brief Stop the host if it is on * - * See also #MSG_host_is_on() to test the current state of the host and @ref plugin_energy + * See also #sg_host_is_on() to test the current state of the host and @ref plugin_host_energy * for more info on DVFS. */ void sg_host_turn_off(sg_host_t host) @@ -511,32 +563,27 @@ void sg_host_turn_off(sg_host_t host) /** @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. + * See also #sg_host_turn_on() and #sg_host_turn_off() to switch the host ON and OFF and @ref plugin_host_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) +int sg_host_is_on(const_sg_host_t host) { return host->is_on(); } -/** @deprecated */ -int sg_host_is_off(sg_host_t host) -{ - return not host->is_on(); -} - /** @brief Get the properties of a host */ -xbt_dict_t sg_host_get_properties(sg_host_t host) +xbt_dict_t sg_host_get_properties(const_sg_host_t host) { - xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f); - std::unordered_map* props = host->get_properties(); + const std::unordered_map* props = host->get_properties(); + xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f); + 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); + for (auto const& [key, value] : *props) { + xbt_dict_set(as_dict, key.c_str(), xbt_strdup(value.c_str())); } return as_dict; } @@ -548,7 +595,7 @@ xbt_dict_t sg_host_get_properties(sg_host_t 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) +const char* sg_host_get_property_value(const_sg_host_t host, const char* name) { return host->get_property(name); } @@ -565,7 +612,7 @@ void sg_host_set_property_value(sg_host_t host, const char* name, const char* va * @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) +void sg_host_get_route(const_sg_host_t from, const_sg_host_t to, xbt_dynar_t links) { std::vector vlinks; from->route_to(to, vlinks, nullptr); @@ -578,7 +625,7 @@ void sg_host_route(sg_host_t from, sg_host_t to, xbt_dynar_t links) * @param from where from * @param to where to */ -double sg_host_route_latency(sg_host_t from, sg_host_t to) +double sg_host_get_route_latency(const_sg_host_t from, const_sg_host_t to) { std::vector vlinks; double res = 0; @@ -586,12 +633,12 @@ double sg_host_route_latency(sg_host_t from, sg_host_t to) return res; } /** - * @brief Find the bandwitdh of the route between two hosts + * @brief Find the bandwidth 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 sg_host_get_route_bandwidth(const_sg_host_t from, const_sg_host_t to) { double min_bandwidth = -1.0; @@ -605,18 +652,23 @@ double sg_host_route_bandwidth(sg_host_t from, sg_host_t to) return min_bandwidth; } +void sg_host_sendto(sg_host_t from, sg_host_t to, double byte_amount) +{ + simgrid::s4u::Comm::sendto(from, to, byte_amount); +} + /** @brief Displays debugging information about a host */ -void sg_host_dump(sg_host_t host) +void sg_host_dump(const_sg_host_t host) // XBT_ATTRIB_DEPRECATED_v335 { XBT_INFO("Displaying host %s", host->get_cname()); XBT_INFO(" - speed: %.0f", host->get_speed()); XBT_INFO(" - available speed: %.2f", sg_host_get_available_speed(host)); - std::unordered_map* props = host->get_properties(); + const std::unordered_map* props = host->get_properties(); if (not props->empty()) { XBT_INFO(" - properties:"); - for (auto const& elm : *props) { - XBT_INFO(" %s->%s", elm.first.c_str(), elm.second.c_str()); + for (auto const& [key, value] : *props) { + XBT_INFO(" %s->%s", key.c_str(), value.c_str()); } } } @@ -626,20 +678,31 @@ void sg_host_dump(sg_host_t 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) +void sg_host_get_actor_list(const_sg_host_t host, xbt_dynar_t whereto) { - auto actors = host->get_all_actors(); - for (auto& actor : actors) + auto const actors = host->get_all_actors(); + for (auto const& actor : actors) xbt_dynar_push(whereto, &actor); } sg_host_t sg_host_self() { - smx_actor_t process = SIMIX_process_self(); - return (process == nullptr) ? nullptr : process->host_; + return simgrid::s4u::Actor::is_maestro() ? nullptr : simgrid::kernel::actor::ActorImpl::self()->get_host(); +} + +/* needs to be public and without simcall for exceptions and logging events */ +const char* sg_host_self_get_name() +{ + const char* res = ""; + if (not simgrid::s4u::Actor::is_maestro()) { + const simgrid::s4u::Host* host = simgrid::kernel::actor::ActorImpl::self()->get_host(); + if (host != nullptr) + res = host->get_cname(); + } + return res; } -double sg_host_load(sg_host_t host) +double sg_host_get_load(const_sg_host_t host) { return host->get_load(); }