X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/978002647ac64c5880295a6c4ddde0cc50cab465..9abea5188b7bc67c822270a2cb300c777d3b2727:/src/kernel/resource/Resource.hpp diff --git a/src/kernel/resource/Resource.hpp b/src/kernel/resource/Resource.hpp index e9b66c582c..1ed1e3541c 100644 --- a/src/kernel/resource/Resource.hpp +++ b/src/kernel/resource/Resource.hpp @@ -1,4 +1,4 @@ -/* 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. */ @@ -6,91 +6,144 @@ #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 -/** @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(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 */ - 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_; - 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 Resource_T : public Resource { + Model* model_ = nullptr; + lmm::Constraint* constraint_ = nullptr; protected: - kernel::lmm::Constraint* const 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(this); + } + + AnyResource* set_model(Model* model) + { + model_ = model; + return static_cast(this); + } + + Model* get_model() const { return model_; } + + AnyResource* set_constraint(lmm::Constraint* constraint) + { + constraint_ = constraint; + return static_cast(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 { 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