-/* Copyright (c) 2004-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2023. 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. */
-#ifndef SIMGRID_KERNEL_MODEL_RESOURCE_HPP
-#define SIMGRID_KERNEL_MODEL_RESOURCE_HPP
+#ifndef SIMGRID_KERNEL_RESOURCE_RESOURCE_HPP
+#define SIMGRID_KERNEL_RESOURCE_RESOURCE_HPP
-#include "src/surf/surf_interface.hpp"
+#include "simgrid/forward.h"
+#include "src/kernel/EngineImpl.hpp"
+#include "src/kernel/actor/Simcall.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 "xbt/signal.hpp"
+#include "xbt/str.h"
+#include "xbt/utility.hpp"
-namespace simgrid {
-namespace kernel {
-namespace resource {
+#include <string>
-/** @ingroup SURF_interface
- * @brief SURF resource interface class
- * @details This is the ancestor class of every resources in SimGrid, such as links, CPU or storage
+namespace simgrid::kernel::resource {
+
+/** @ingroup Model_interface
+ * @brief Resource interface class
+ * @details This is the ancestor class of every resources in SimGrid, such as links, CPU or disk
*/
-XBT_PUBLIC_CLASS Resource
-{
-public:
- /**
- * @brief Constructor of LMM Resources
- *
- * @param model Model associated to this Resource
- * @param name The name of the Resource
- * @param constraint The lmm constraint associated to this Resource if it is part of a LMM component
- */
- Resource(surf::Model * model, const std::string& name, lmm::Constraint* constraint);
+class XBT_PUBLIC Resource : public actor::ObjectAccessSimcallItem {
+ 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 ~Resource();
+ 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_); }
- /** @brief Get the Model of the current Resource */
- surf::Model* model() const;
+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& getName() const;
+ const std::string& get_name() const { return name_; }
/** @brief Get the name of the current Resource */
- const char* getCname() const;
-
- bool operator==(const Resource& other) const;
-
- /**
- * @brief Apply an event of external load event to that resource
- *
- * @param event What happened
- * @param value [TODO]
- */
- virtual void apply_event(tmgr_trace_event_t event, double value) = 0;
+ const char* get_cname() const { return name_.c_str(); }
- /** @brief Check if the current Resource is used (if it currently serves an action) */
- virtual bool isUsed() = 0;
+ bool operator==(const Resource& other) const { return name_ == other.name_; }
- /** @brief returns the current load (in flops per second, byte per second or similar) */
- virtual double getLoad();
+ /** @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 isOn() const;
- /** @brief Check if the current Resource is shut down */
- virtual bool isOff() const;
+ 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 turnOn();
+ virtual void turn_on() { is_on_ = true; }
/** @brief Turn off the current Resource */
- virtual void turnOff();
-
-private:
- std::string name_;
- surf::Model* model_;
- bool isOn_ = true;
+ virtual void turn_off() { is_on_ = false; }
+};
-public: /* LMM */
- /** @brief Get the lmm constraint associated to this Resource if it is part of a LMM component (or null if none) */
- kernel::lmm::Constraint* constraint() const;
+template <class AnyResource> class Resource_T : public Resource {
+ Model* model_ = nullptr;
+ lmm::Constraint* constraint_ = nullptr;
protected:
- const kernel::lmm::Constraint* constraint_ = nullptr;
+ void cancel_actions()
+ {
+ const kernel::lmm::Element* elem = nullptr;
+ double now = EngineImpl::get_clock();
+ while (const auto* var = get_constraint()->get_variable(&elem)) {
+ Action* action = var->get_id();
+ if (action->get_state() == Action::State::INITED || action->get_state() == Action::State::STARTED ||
+ action->get_state() == Action::State::IGNORED) {
+ action->set_finish_time(now);
+ action->set_state(Action::State::FAILED);
+ }
+ }
+ }
- struct Metric {
- double peak; /**< The peak of the metric, ie its max value */
- double scale; /**< Current availability of the metric according to the traces, in [0,1] */
- tmgr_trace_event_t event; /**< The associated trace event associated to the metric */
- };
+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 Set the concurrency limit for this resource */
+ virtual void set_concurrency_limit(int limit) const
+ {
+ if (limit != -1)
+ get_constraint()->reset_concurrency_maximum();
+ get_constraint()->set_concurrency_limit(limit);
+ }
+
+ /** @brief Get the concurrency limit of this resource */
+ virtual int get_concurrency_limit() const { return get_constraint()->get_concurrency_limit(); }
+
+ /** @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_load(); }
+
+ bool is_used() const override { return model_->get_maxmin_system()->constraint_used(constraint_); }
};
-} // namespace resource
-} // namespace kernel
-} // namespace simgrid
+
+} // namespace simgrid::kernel::resource
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.getCname());
+ return (std::size_t)xbt_str_hash(r.get_cname());
}
};
} // namespace std
