+++ /dev/null
-/* Copyright (c) 2004-2021. 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. */
-
-#ifndef SIMGRID_KERNEL_RESOURCE_RESOURCE_HPP
-#define SIMGRID_KERNEL_RESOURCE_RESOURCE_HPP
-
-#include "src/kernel/lmm/maxmin.hpp" // Constraint
-#include "src/kernel/resource/profile/Event.hpp"
-#include "src/kernel/resource/profile/FutureEvtSet.hpp"
-#include "src/kernel/resource/profile/Profile.hpp"
-#include <simgrid/forward.h>
-#include <xbt/signal.hpp>
-#include <xbt/str.h>
-#include <xbt/utility.hpp>
-
-#include <string>
-
-namespace simgrid {
-namespace kernel {
-namespace resource {
-
-/** @ingroup SURF_interface
- * @brief SURF resource interface class
- * @details This is the ancestor class of every resources in SimGrid, such as links, CPU or disk
- */
-class XBT_PUBLIC Resource {
- std::string name_ = "unnamed";
- bool is_on_ = true;
- bool sealed_ = false;
- profile::Event* state_event_ = nullptr;
-
-protected:
- struct Metric {
- double peak; /**< The peak of the metric, ie its max value */
- double scale; /**< Current availability of the metric according to the profiles, in [0,1] */
- profile::Event* event; /**< The associated profile event associated to the metric */
- };
-
- virtual profile::Event* get_state_event() const { return state_event_; }
- virtual void set_state_event(profile::Event* evt) { state_event_ = evt; }
- virtual void unref_state_event() { tmgr_trace_event_unref(&state_event_); }
-
-public:
- explicit Resource(const std::string& name) : name_(name){};
- virtual ~Resource() = default;
- virtual void seal() { sealed_ = true; }
-
- /** @brief Get the name of the current Resource */
- const std::string& get_name() const { return name_; }
- /** @brief Get the name of the current Resource */
- const char* get_cname() const { return name_.c_str(); }
-
- bool operator==(const Resource& other) const { return name_ == other.name_; }
-
- /** @brief Apply an event of external load event to that resource */
- virtual void apply_event(profile::Event* event, double value) = 0;
-
- /** @brief Check if the current Resource is active */
- virtual bool is_on() const { return is_on_; }
- virtual bool is_sealed() const { return sealed_; }
-
- /** @brief Check if the current Resource is used (if it currently serves an action) */
- virtual bool is_used() const = 0;
- /** @brief Turn on the current Resource */
- virtual void turn_on() { is_on_ = true; }
- /** @brief Turn off the current Resource */
- virtual void turn_off() { is_on_ = false; }
-};
-
-template <class AnyResource> class Resource_T : public Resource {
- Model* model_ = nullptr;
- lmm::Constraint* constraint_ = nullptr;
-
-public:
- using Resource::Resource;
- /** @brief setup the profile file with states events (ON or OFF). The profile must contain boolean values. */
- AnyResource* set_state_profile(profile::Profile* profile)
- {
- if (profile) {
- xbt_assert(get_state_event() == nullptr, "Cannot set a second state profile to %s", get_cname());
- set_state_event(profile->schedule(&profile::future_evt_set, this));
- }
-
- return static_cast<AnyResource*>(this);
- }
-
- AnyResource* set_model(Model* model)
- {
- model_ = model;
- return static_cast<AnyResource*>(this);
- }
-
- Model* get_model() const { return model_; }
-
- AnyResource* set_constraint(lmm::Constraint* constraint)
- {
- constraint_ = constraint;
- return static_cast<AnyResource*>(this);
- }
-
- lmm::Constraint* get_constraint() const { return constraint_; }
-
- /** @brief returns the current load due to activities (in flops per second, byte per second or similar)
- *
- * The load due to external usages modeled by profile files is ignored.*/
- virtual double get_load() const { return constraint_->get_usage(); }
-
- bool is_used() const override { return model_->get_maxmin_system()->constraint_used(constraint_); }
-};
-
-} // namespace resource
-} // namespace kernel
-} // namespace simgrid
-
-namespace std {
-template <> class hash<simgrid::kernel::resource::Resource> {
-public:
- std::size_t operator()(const simgrid::kernel::resource::Resource& r) const
- {
- return (std::size_t)xbt_str_hash(r.get_cname());
- }
-};
-} // namespace std
-
-#endif
