+ return host->getPState();
+}
+/** @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->getProperties();
+}
+
+
+namespace simgrid {
+
+Host::Host(std::string const& id)
+ : name_(id)
+{
+}
+
+Host::~Host()
+{
+}
+
+/** Start the host if it is off */
+void Host::turnOn()
+{
+ simgrid::simix::kernel(std::bind(SIMIX_host_on, this));
+}
+
+/** Stop the host if it is on */
+void Host::turnOff()
+{
+ simgrid::simix::simcall<void>(SIMCALL_HOST_OFF, this);
+}
+
+bool Host::isOn() {
+ return pimpl_cpu->isOn();
+}
+bool Host::isOff() {
+ return ! pimpl_cpu->isOn();
+}
+
+
+/** Get the properties assigned to a host */
+xbt_dict_t Host::getProperties()
+{
+ return simgrid::simix::kernel(std::bind(&simgrid::surf::Host::getProperties, this->extension(simgrid::surf::Host::EXTENSION_ID)));
+}
+
+/** Get the processes attached to the host */
+xbt_swag_t Host::getProcessList()
+{
+ return simgrid::simix::kernel([&]() {
+ return ((smx_host_priv_t)this->extension(SIMIX_HOST_LEVEL))->process_list;
+ });
+}
+
+/** Get the peak power of a host */
+double Host::getCurrentPowerPeak()
+{
+ return simgrid::simix::kernel(
+ std::bind(surf_host_get_current_power_peak, this));
+}
+
+/** Get one power peak (in flops/s) of a host at a given pstate */
+double Host::getPowerPeakAt(int pstate_index)
+{
+ return simgrid::simix::kernel(
+ std::bind(surf_host_get_power_peak_at, this, pstate_index));
+}
+
+/** @brief Get the speed of the cpu associated to a host */
+double Host::getSpeed() {
+ return pimpl_cpu->getSpeed(1.0);
+}
+/** @brief Returns the number of core of the processor. */
+int Host::getCoreAmount() {
+ return pimpl_cpu->getCore();
+}
+
+Host* Host::by_name_or_null(const char* name)
+{
+ return (Host*) xbt_dict_get_or_null(host_list, name);
+}
+
+Host* Host::by_name_or_create(const char* name)
+{
+ Host* host = by_name_or_null(name);
+ if (host == nullptr) {
+ host = new Host(name);
+ xbt_dict_set(host_list, name, host, NULL);
+ }
+ return host;
+}
+
+/** @brief Set the pstate at which the host should run */
+void Host::setPState(int pstate_index)
+{
+ simgrid::simix::kernel(std::bind(
+ &simgrid::surf::Cpu::setPState, pimpl_cpu, pstate_index
+ ));
+}
+/** @brief Retrieve the pstate at which the host is currently running */
+int Host::getPState()
+{
+ return pimpl_cpu->getPState();
+}
+
+void Host::getParams(vm_params_t params)
+{
+ simgrid::simix::kernel([&]() {
+ this->extension<simgrid::surf::Host>()->getParams(params);
+ });
+}
+
+void Host::setParams(vm_params_t params)
+{
+ simgrid::simix::kernel([&]() {
+ this->extension<simgrid::surf::Host>()->setParams(params);
+ });
+}
+
+/**
+ * \ingroup simix_storage_management
+ * \brief Returns the list of storages mounted on an host.
+ * \return a dict containing all storages mounted on the host
+ */
+xbt_dict_t Host::getMountedStorageList()
+{
+ return simgrid::simix::kernel([&] {
+ return this->extension<simgrid::surf::Host>()->getMountedStorageList();
+ });
+}
+
+/**
+ * \ingroup simix_storage_management
+ * \brief Returns the list of storages attached to an host.
+ * \return a dict containing all storages attached to the host
+ */
+xbt_dynar_t Host::getAttachedStorageList()
+{
+ return simgrid::simix::kernel([&] {
+ return this->extension<simgrid::surf::Host>()->getAttachedStorageList();
+ });
+}
+