-/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2006-2020. 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. */
XBT_LOG_EXTERNAL_CATEGORY(surf_route);
namespace simgrid {
-namespace xbt {
-template class Extendable<s4u::Host>;
-} // namespace xbt
+
+template class xbt::Extendable<s4u::Host>;
namespace s4u {
*
* 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
+ * 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()
Host* Host::current()
{
- kernel::actor::ActorImpl* self = SIMIX_process_self();
+ kernel::actor::ActorImpl* self = kernel::actor::ActorImpl::self();
if (self == nullptr)
xbt_die("Cannot call Host::current() from the maestro context");
return self->get_host();
void Host::turn_off()
{
if (is_on()) {
- kernel::actor::ActorImpl* self = SIMIX_process_self();
+ 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) {
*
* 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()
+int Host::get_actor_count() const
{
return pimpl_->get_actor_count();
}
* 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;
this->route_to(dest, linkImpls, latency);
}
/** @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::LinkImpl*>& links, double* latency) const
{
kernel::routing::NetZoneImpl::get_global_route(pimpl_netpoint_, dest->get_netpoint(), links, latency);
if (XBT_LOG_ISENABLED(surf_route, xbt_log_priority_debug)) {
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);
}
-/** @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();
}
-/** @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();
}
-/** @brief Returns the number of core of the processor. */
int Host::get_core_count() const
{
return this->pimpl_cpu->get_core_count();
std::unordered_map<std::string, Storage*> const& Host::get_mounted_storages()
{
- if (mounts_ == nullptr) {
- mounts_ = new std::unordered_map<std::string, Storage*>();
- for (auto const& m : this->pimpl_->storage_) {
- mounts_->insert({m.first, m.second->get_iface()});
- }
- }
+ if (mounts_ == nullptr)
+ mounts_ = pimpl_->get_mounted_storages();
+
return *mounts_;
}
{
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!");
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);
}
// ========= Layering madness ==============*
// ========== User data Layer ==========
-void* sg_host_data(sg_host_t host)
+void* sg_host_data(const_sg_host_t host)
{
return host->get_data();
}
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;
+ 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(sg_host_t host)
+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();
// =========== user-level functions ===============
// ================================================
/** @brief Returns the total speed of a host */
-double sg_host_speed(sg_host_t host)
+double sg_host_speed(const_sg_host_t host)
{
return host->get_speed();
}
* @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, int 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();
}
*
* See also @ref plugin_energy.
*/
-int sg_host_get_nb_pstates(sg_host_t host)
+int sg_host_get_nb_pstates(const_sg_host_t host)
{
return host->get_pstate_count();
}
*
* See also @ref plugin_energy.
*/
-int sg_host_get_pstate(sg_host_t host)
+int sg_host_get_pstate(const_sg_host_t host)
{
return host->get_pstate();
}
* @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();
}
/** @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);
const std::unordered_map<std::string, std::string>* props = host->get_properties();
* @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_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_route_latency(const_sg_host_t from, const_sg_host_t to)
{
std::vector<simgrid::s4u::Link*> vlinks;
double res = 0;
* @param from where from
* @param to where to
*/
-double sg_host_route_bandwidth(sg_host_t from, sg_host_t to)
+double sg_host_route_bandwidth(const_sg_host_t from, const_sg_host_t to)
{
double min_bandwidth = -1.0;
}
/** @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_INFO("Displaying host %s", host->get_cname());
XBT_INFO(" - speed: %.0f", host->get_speed());
* @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()
{
- return SIMIX_is_maestro() ? nullptr : SIMIX_process_self()->get_host();
+ return SIMIX_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()
{
- return SIMIX_is_maestro() ? "" : SIMIX_process_self()->get_host()->get_cname();
+ const char* res = "";
+ if (not SIMIX_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_load(const_sg_host_t host)
{
return host->get_load();
}
