-/* Copyright (c) 2006-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2021. 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/Exception.hpp"
#include "simgrid/host.h"
#include "simgrid/kernel/routing/NetPoint.hpp"
#include "simgrid/s4u/Actor.hpp"
+#include "simgrid/s4u/Comm.hpp"
#include "simgrid/s4u/Engine.hpp"
#include "simgrid/s4u/Exec.hpp"
#include "simgrid/s4u/VirtualMachine.hpp"
#include "src/plugins/vm/VirtualMachineImpl.hpp"
#include "src/surf/HostImpl.hpp"
+#include "xbt/parse_units.hpp"
#include <algorithm>
#include <string>
xbt::signal<void(Host const&)> Host::on_state_change;
xbt::signal<void(Host const&)> Host::on_speed_change;
-Host::Host(const std::string& name) : name_(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(name_, this);
- new surf::HostImpl(this);
+ pimpl_cpu_ = cpu;
+ return this;
}
-Host::~Host()
+#ifndef DOXYGEN
+Host* Host::set_netpoint(kernel::routing::NetPoint* netpoint)
{
- xbt_assert(currently_destroying_, "Please call h->destroy() instead of manually deleting it.");
+ pimpl_netpoint_ = netpoint;
+ return this;
+}
- delete pimpl_;
+Host::~Host()
+{
if (pimpl_netpoint_ != nullptr) // not removed yet by a children class
Engine::get_instance()->netpoint_unregister(pimpl_netpoint_);
- delete pimpl_cpu;
- delete mounts_;
+ delete pimpl_cpu_;
}
+#endif
/** @brief Fire the required callbacks and destroy the object
*
*/
void Host::destroy()
{
- if (not currently_destroying_) {
- currently_destroying_ = true;
- on_destruction(*this);
- Engine::get_instance()->host_unregister(std::string(name_));
- delete this;
- }
+ kernel::actor::simcall([this] { this->pimpl_->destroy(); });
}
Host* Host::by_name(const std::string& name)
Host* Host::current()
{
kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
- if (self == nullptr)
- xbt_die("Cannot call Host::current() from the maestro context");
+ xbt_assert(self != nullptr, "Cannot call Host::current() from the maestro context");
return self->get_host();
}
+xbt::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()) {
kernel::actor::simcall([this] {
- this->pimpl_cpu->turn_on();
+ this->pimpl_cpu_->turn_on();
this->pimpl_->turn_on();
on_state_change(*this);
});
void Host::turn_off()
{
if (is_on()) {
- kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
+ const kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
kernel::actor::simcall([this, self] {
for (VirtualMachine* const& vm : vm::VirtualMachineImpl::allVms_)
if (vm->get_pm() == this) {
vm->shutdown();
vm->turn_off();
}
- this->pimpl_cpu->turn_off();
+ 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
{
- return this->pimpl_cpu->get_pstate_count();
+ return this->pimpl_cpu_->get_pstate_count();
}
/**
}
/** @brief Returns how many actors (daemonized or not) have been launched on this host */
-int Host::get_actor_count() const
+size_t Host::get_actor_count() const
{
return pimpl_->get_actor_count();
}
}
/** @brief Returns the networking zone englobing that host */
-NetZone* Host::get_englobing_zone()
+NetZone* Host::get_englobing_zone() const
{
return pimpl_netpoint_->get_englobing_zone()->get_iface();
}
-void Host::sendto(Host* dest, double byte_amount)
+#ifndef DOXYGEN
+void Host::sendto(Host* dest, double byte_amount) // XBT_ATTRIB_DEPRECATED_v331
+{
+ Comm::sendto_async(this, dest, byte_amount)->wait();
+}
+
+CommPtr Host::sendto_async(Host* dest, double byte_amount) // XBT_ATTRIB_DEPRECATED_v331
{
- sendto_async(dest, byte_amount)->wait();
+ return Comm::sendto_async(this, dest, byte_amount);
}
-ActivityPtr Host::sendto_async(Host* dest, double byte_amount)
+void Host::send_to(Host* dest, double byte_amount) // XBT_ATTRIB_DEPRECATED_v330
{
- std::vector<Host*> m_host_list = {this, dest};
- std::vector<double> flops_amount = {0, 0};
- std::vector<double> bytes_amount = {0, byte_amount, 0, 0};
- return this_actor::exec_init(m_host_list, flops_amount, bytes_amount)->start();
+ Comm::sendto(this, dest, byte_amount);
}
+#endif
/** Get the properties assigned to a host */
const std::unordered_map<std::string, std::string>* Host::get_properties() const
return this->pimpl_->get_property(key);
}
-void Host::set_property(const std::string& key, const std::string& value)
+Host* Host::set_property(const std::string& key, const std::string& value)
{
kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
+ return this;
}
-void Host::set_properties(const std::unordered_map<std::string, std::string>& properties)
+Host* Host::set_properties(const std::unordered_map<std::string, std::string>& properties)
{
kernel::actor::simcall([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 kernel::actor::simcall([this, p] { pimpl_cpu->set_state_profile(p); });
+ kernel::actor::simcall([this, p] { pimpl_cpu_->set_state_profile(p); });
+ return this;
}
/** Specify a profile modeling the external load according to an exhaustive list or a stochastic law.
*
* 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 kernel::actor::simcall([this, p] { pimpl_cpu->set_speed_profile(p); });
+ kernel::actor::simcall([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
{
- return this->pimpl_cpu->get_pstate_peak_speed(pstate_index);
+ return this->pimpl_cpu_->get_pstate_peak_speed(pstate_index);
}
double Host::get_speed() const
{
- return this->pimpl_cpu->get_speed(1.0);
+ return this->pimpl_cpu_->get_speed(1.0);
}
double Host::get_load() const
{
- return this->pimpl_cpu->get_load();
+ return this->pimpl_cpu_->get_load();
}
double Host::get_available_speed() const
{
- return this->pimpl_cpu->get_speed_ratio();
+ return this->pimpl_cpu_->get_speed_ratio();
}
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([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([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(std::string("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(int pstate_index)
{
- kernel::actor::simcall([this, pstate_index] { this->pimpl_cpu->set_pstate(pstate_index); });
+ kernel::actor::simcall([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
{
- return this->pimpl_cpu->get_pstate();
+ return this->pimpl_cpu_->get_pstate();
}
+Host* Host::set_coordinates(const std::string& coords)
+{
+ if (not coords.empty())
+ kernel::actor::simcall([this, coords] { this->pimpl_netpoint_->set_coordinates(coords); });
+ return this;
+}
std::vector<Disk*> Host::get_disks() const
{
- return kernel::actor::simcall([this] { return this->pimpl_->get_disks(); });
+ return this->pimpl_->get_disks();
+}
+
+Disk* Host::create_disk(const std::string& name, double read_bandwidth, double write_bandwidth)
+{
+ return kernel::actor::simcall([this, &name, read_bandwidth, write_bandwidth] {
+ auto* disk = pimpl_->create_disk(name, read_bandwidth, write_bandwidth);
+ pimpl_->add_disk(disk);
+ return disk;
+ });
}
-void Host::add_disk(Disk* 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(std::string("Impossible to create disk: ") + name +
+ std::string(". 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(std::string("Impossible to create disk: ") + name +
+ std::string(". Invalid write bandwidth: ") + write_bandwidth);
+ }
+ return create_disk(name, d_read, d_write);
+}
+
+void Host::add_disk(const Disk* disk)
{
kernel::actor::simcall([this, disk] { this->pimpl_->add_disk(disk); });
}
{
kernel::actor::simcall([this, disk_name] { this->pimpl_->remove_disk(disk_name); });
}
-/**
- * @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
-{
- return kernel::actor::simcall([this] { return this->pimpl_->get_attached_storages(); });
-}
-std::unordered_map<std::string, Storage*> const& Host::get_mounted_storages()
+ExecPtr Host::exec_init(double flops) const
{
- kernel::actor::simcall([this] {
- if (mounts_ == nullptr)
- mounts_ = pimpl_->get_mounted_storages();
- });
- return *mounts_;
+ return this_actor::exec_init(flops);
}
ExecPtr Host::exec_async(double flops) const
{
- return this_actor::exec_init(flops);
+ return this_actor::exec_async(flops);
}
void Host::execute(double flops) const
void Host::execute(double flops, double priority) const
{
- this_actor::exec_init(flops)->set_priority(1 / priority)->start()->wait();
+ this_actor::exec_init(flops)->set_priority(1 / priority)->vetoable_start()->wait();
+}
+
+Host* Host::seal()
+{
+ kernel::actor::simcall([this]() { this->pimpl_->seal(); });
+ simgrid::s4u::Host::on_creation(*this); // notify the signal
+ return this;
}
} // namespace s4u
sg_host_t* sg_host_list()
{
const simgrid::s4u::Engine* e = simgrid::s4u::Engine::get_instance();
- size_t host_count = e->get_host_count();
+ 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 = xbt_new(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;
}
{
sg_host_set_data(host, userdata);
}
-void* sg_host_user(sg_host_t host) // XBT_ATTRIB_DEPRECATED_v328
-{
- return host->get_data();
-}
-void sg_host_user_set(sg_host_t host, void* userdata) // XBT_ATTRIB_DEPRECATED_v328
-{
- host->set_data(userdata);
-}
-void sg_host_user_destroy(sg_host_t host) // XBT_ATTRIB_DEPRECATED_v328
-{
- host->set_data(nullptr);
-}
-// ========= storage related functions ============
+// ========= Disk related functions ============
void sg_host_get_disks(const_sg_host_t host, unsigned int* disk_count, sg_disk_t** disks)
{
std::vector<sg_disk_t> list = host->get_disks();
*disk_count = list.size();
- *disks = static_cast<sg_disk_t*>(xbt_malloc(sizeof(sg_disk_t) * (*disk_count)));
- for (size_t i = 0; i < *disk_count; i++)
- (*disks)[i] = list[i];
-}
-
-xbt_dict_t sg_host_get_mounted_storage_list(sg_host_t host) // XBT_ATTRIB_DEPRECATED_v330
-{
- 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();
- const simgrid::s4u::Storage* storage = elm.second;
- xbt_dict_set(res, mount_name, (void*)storage->get_cname());
- }
-
- return res;
-}
-
-xbt_dynar_t sg_host_get_attached_storage_list(const_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;
+ *disks = xbt_new(sg_disk_t, list.size());
+ std::copy(begin(list), end(list), *disks);
}
// =========== user-level functions ===============
return sg_host_get_speed(host);
}
-/** @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
/** @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(const_sg_host_t host)
{
/** @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(const_sg_host_t host)
{
}
/** @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)
{
*
* @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 #MSG_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
/** @brief Get the properties of a 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);
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) {
void sg_host_sendto(sg_host_t from, sg_host_t to, double byte_amount)
{
- from->sendto(to, byte_amount);
+ simgrid::s4u::Comm::sendto(from, to, byte_amount);
}
/** @brief Displays debugging information about a host */
