-/* 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 <simgrid/Exception.hpp>
+#include <simgrid/host.h>
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/s4u/Comm.hpp>
+#include <simgrid/s4u/Engine.hpp>
+#include <simgrid/s4u/Exec.hpp>
+#include <simgrid/s4u/Host.hpp>
+#include <simgrid/s4u/VirtualMachine.hpp>
+#include <xbt/parse_units.hpp>
+
+#include "simgrid/simix.hpp"
+#include "src/kernel/resource/StandardLinkImpl.hpp"
+#include "src/kernel/resource/VirtualMachineImpl.hpp"
#include "src/surf/HostImpl.hpp"
#include <string>
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<simgrid::s4u::Host>;
-}
+template class xbt::Extendable<s4u::Host>;
namespace s4u {
-simgrid::xbt::signal<void(Host&)> Host::on_creation;
-simgrid::xbt::signal<void(Host&)> Host::on_destruction;
-simgrid::xbt::signal<void(Host&)> Host::on_state_change;
-simgrid::xbt::signal<void(Host&)> Host::on_speed_change;
+#ifndef DOXYGEN
+xbt::signal<void(Host&)> Host::on_creation;
+xbt::signal<void(Host const&)> Host::on_destruction;
+xbt::signal<void(Host const&)> Host::on_state_change;
+xbt::signal<void(Host const&)> 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)
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);
});
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);
});
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();
}
/**
*
* Daemons and regular actors are all mixed in this list.
*/
-std::vector<ActorPtr> Host::get_all_actors()
+std::vector<ActorPtr> 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<ActorPtr>* list)
-{
- auto actors = get_all_actors();
- for (auto& actor : actors)
- list->push_back(actor);
-}
-
-/** @deprecated */
-void Host::actorList(std::vector<ActorPtr>* whereto)
-{
- auto actors = get_all_actors();
- for (auto& actor : actors)
- whereto->push_back(actor);
-}
-
/**
* @brief Find a route toward another host
*
* @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<Link*>& links, double* latency)
+void Host::route_to(const Host* dest, std::vector<Link*>& links, double* latency) const
{
- std::vector<kernel::resource::LinkImpl*> linkImpls;
+ std::vector<kernel::resource::StandardLinkImpl*> 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<kernel::resource::LinkImpl*>& links, double* latency)
+void Host::route_to(const Host* dest, std::vector<kernel::resource::StandardLinkImpl*>& 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<std::string, std::string>* Host::get_properties()
+const std::unordered_map<std::string, std::string>* 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) */
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<std::string, std::string>& 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<double>& 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<double> Host::convert_pstate_speed_vector(const std::vector<std::string>& speed_per_state)
+{
+ std::vector<double> 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<std::string>& 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<const char*> Host::get_attached_storages() const
+Host* Host::set_factor_cb(const std::function<CpuFactorCb>& 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<const char*>* storages)
+Host* Host::set_coordinates(const std::string& coords)
{
- std::vector<const char*> 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<Disk*> Host::get_disks() const
+{
+ return this->pimpl_->get_disks();
}
-std::unordered_map<std::string, Storage*> 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<std::string, Storage*>();
- 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
{
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<simgrid::s4u::Host*> 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<simgrid::s4u::Host*> 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);
}
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<simgrid::s4u::Host*> 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<simgrid::s4u::Host* const*>(pa))->get_name();
- const std::string& nb = (*static_cast<simgrid::s4u::Host* const*>(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>();
}
-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<const char*> storage_vector = host->get_attached_storages();
- for (auto const& name : storage_vector)
- xbt_dynar_push(storage_dynar, &name);
- return storage_dynar;
+ std::vector<sg_disk_t> 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);
}
* @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);
}
*
* @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)
*
* @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)
/** @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<std::string, std::string>* props = host->get_properties();
+ const std::unordered_map<std::string, std::string>* 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;
}
* @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);
}
* @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<simgrid::s4u::Link*> vlinks;
from->route_to(to, vlinks, nullptr);
* @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<simgrid::s4u::Link*> vlinks;
double res = 0;
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;
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<std::string, std::string>* props = host->get_properties();
+ const std::unordered_map<std::string, std::string>* 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());
}
}
}
* @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();
}
