-namespace simgrid {
-namespace surf {
-
-typedef std::pair<double, simgrid::surf::Action*> heap_element_type;
-typedef boost::heap::pairing_heap<heap_element_type, boost::heap::constant_time_size<false>, boost::heap::stable<true>,
- boost::heap::compare<simgrid::xbt::HeapComparator<heap_element_type>>>
- heap_type;
-
-/** @ingroup SURF_interface
- * @brief SURF action interface class
- * @details An action is an event generated by a resource (e.g.: a communication for the network)
- */
-XBT_PUBLIC_CLASS Action {
-public:
- boost::intrusive::list_member_hook<> modifiedSetHook_; /* Used by the lazy update to list the actions to track */
- bool isLinkedModifiedSet() const { return modifiedSetHook_.is_linked(); }
-
- typedef boost::intrusive::member_hook<Action, boost::intrusive::list_member_hook<>, &Action::modifiedSetHook_>
- ActionLmmOptions;
- typedef boost::intrusive::list<Action, ActionLmmOptions> ActionLmmList;
-
- boost::intrusive::list_member_hook<> stateSetHook_;
- typedef boost::intrusive::member_hook<Action, boost::intrusive::list_member_hook<>, &Action::stateSetHook_>
- ActionOptions;
- typedef boost::intrusive::list<Action, ActionOptions> ActionList;
-
- enum class State {
- ready = 0, /**< Ready */
- running, /**< Running */
- failed, /**< Task Failure */
- done, /**< Completed */
- to_free, /**< Action to free in next cleanup */
- not_in_the_system /**< Not in the system anymore. Why did you ask ? */
- };
-
- enum class SuspendStates {
- not_suspended = 0, /**< Action currently not suspended **/
- suspended,
- sleeping
- };
-
- enum class Type { LATENCY = 100, MAX_DURATION, NORMAL, NOTSET };
-
- /**
- * @brief Action constructor
- *
- * @param model The Model associated to this Action
- * @param cost The cost of the Action
- * @param failed If the action is impossible (e.g.: execute something on a switched off host)
- */
- Action(simgrid::surf::Model* model, double cost, bool failed);
-
- /**
- * @brief Action constructor
- *
- * @param model The Model associated to this Action
- * @param cost The cost of the Action
- * @param failed If the action is impossible (e.g.: execute something on a switched off host)
- * @param var The lmm variable associated to this Action if it is part of a LMM component
- */
- Action(simgrid::surf::Model * model, double cost, bool failed, kernel::lmm::Variable* var);
-
- virtual ~Action();
-
- /**
- * @brief Mark that the action is now finished
- *
- * @param state the new [state](\ref simgrid::surf::Action::State) of the current Action
- */
- void finish(Action::State state);
-
- /** @brief Get the [state](\ref simgrid::surf::Action::State) of the current Action */
- Action::State getState() const; /**< get the state*/
- /** @brief Set the [state](\ref simgrid::surf::Action::State) of the current Action */
- virtual void setState(Action::State state);
-
- /** @brief Get the bound of the current Action */
- double getBound() const;
- /** @brief Set the bound of the current Action */
- void setBound(double bound);
-
- /** @brief Get the start time of the current action */
- double getStartTime() const { return start_; }
- /** @brief Get the finish time of the current action */
- double getFinishTime() const { return finishTime_; }
-
- /** @brief Get the user data associated to the current action */
- void* getData() const { return data_; }
- /** @brief Set the user data associated to the current action */
- void setData(void* data) { data_ = data; }
-
- /** @brief Get the cost of the current action */
- double getCost() const { return cost_; }
- /** @brief Set the cost of the current action */
- void setCost(double cost) {cost_ = cost;}
-
- /** @brief Update the maximum duration of the current action
- * @param delta Amount to remove from the MaxDuration */
- void updateMaxDuration(double delta) {double_update(&maxDuration_, delta,sg_surf_precision);}
-
- /** @brief Update the remaining time of the current action
- * @param delta Amount to remove from the remaining time */
- void updateRemains(double delta) {double_update(&remains_, delta, sg_maxmin_precision*sg_surf_precision);}
-
- /** @brief Set the remaining time of the current action */
- void setRemains(double value) {remains_ = value;}
- /** @brief Get the remaining time of the current action after updating the resource */
- virtual double getRemains();
- /** @brief Get the remaining time of the current action without updating the resource */
- double getRemainsNoUpdate() const { return remains_; }
-
- /** @brief Set the finish time of the current action */
- void setFinishTime(double value) {finishTime_ = value;}
-
- /**@brief Add a reference to the current action (refcounting) */
- void ref();
- /** @brief Unref that action (and destroy it if refcount reaches 0)
- * @return true if the action was destroyed and false if someone still has references on it
- */
- virtual int unref();
-
- /** @brief Cancel the current Action if running */
- virtual void cancel();
-
- /** @brief Suspend the current Action */
- virtual void suspend();
-
- /** @brief Resume the current Action */
- virtual void resume();
-
- /** @brief Returns true if the current action is running */
- virtual bool isSuspended();
-
- /** @brief Get the maximum duration of the current action */
- double getMaxDuration() const { return maxDuration_; }
- /** @brief Set the maximum duration of the current Action */
- virtual void setMaxDuration(double duration);
-
- /** @brief Get the tracing category associated to the current action */
- char* getCategory() const { return category_; }
- /** @brief Set the tracing category of the current Action */
- void setCategory(const char *category);
-
- /** @brief Get the priority of the current Action */
- double getPriority() const { return sharingWeight_; };
- /** @brief Set the priority of the current Action */
- virtual void setSharingWeight(double priority);
- void setSharingWeightNoUpdate(double weight) { sharingWeight_ = weight; }
-
- /** @brief Get the state set in which the action is */
- ActionList* getStateSet() const { return stateSet_; };
-
- simgrid::surf::Model* getModel() const { return model_; }
-
-protected:
- ActionList* stateSet_;
- int refcount_ = 1;
-
-private:
- double sharingWeight_ = 1.0; /**< priority (1.0 by default) */
- double maxDuration_ = NO_MAX_DURATION; /*< max_duration (may fluctuate until the task is completed) */
- double remains_; /**< How much of that cost remains to be done in the currently running task */
- double start_; /**< start time */
- char *category_ = nullptr; /**< tracing category for categorized resource utilization monitoring */
- double finishTime_ =
- -1; /**< finish time : this is modified during the run and fluctuates until the task is completed */
-
- double cost_;
- simgrid::surf::Model *model_;
- void *data_ = nullptr; /**< for your convenience */
-
- /* LMM */
- double lastUpdate_ = 0;
- double lastValue_ = 0;
- kernel::lmm::Variable* variable_ = nullptr;
- Action::Type type_ = Action::Type::NOTSET;
- boost::optional<heap_type::handle_type> heapHandle_ = boost::none;
-
-public:
- virtual void updateRemainingLazy(double now) { THROW_IMPOSSIBLE; };
- void heapInsert(heap_type & heap, double key, Action::Type hat);
- void heapRemove(heap_type& heap);
- void heapUpdate(heap_type & heap, double key, Action::Type hat);
- void clearHeapHandle() { heapHandle_ = boost::none; }
- kernel::lmm::Variable* getVariable() const { return variable_; }
- void setVariable(kernel::lmm::Variable * var) { variable_ = var; }
- double getLastUpdate() const { return lastUpdate_; }
- void refreshLastUpdate() {lastUpdate_ = surf_get_clock();}
- double getLastValue() const { return lastValue_; }
- void setLastValue(double val) { lastValue_ = val; }
- Action::Type getType() const { return type_; }
-
-protected:
- Action::SuspendStates suspended_ = Action::SuspendStates::not_suspended;
-};
-
-typedef Action::ActionList ActionList;
-typedef Action::ActionLmmList ActionLmmList;
-typedef Action::ActionLmmList* ActionLmmListPtr;
-
-/*********
- * Model *
- *********/
-
-/** @ingroup SURF_interface
- * @brief SURF model interface class
- * @details A model is an object which handle the interactions between its Resources and its Actions
- */
-XBT_PUBLIC_CLASS Model {
-public:
- Model();
- virtual ~Model();
-
- /** @brief Get the set of [actions](@ref Action) in *ready* state */
- virtual ActionList* getReadyActionSet() const { return readyActionSet_; }
-
- /** @brief Get the set of [actions](@ref Action) in *running* state */
- virtual ActionList* getRunningActionSet() const { return runningActionSet_; }
-
- /** @brief Get the set of [actions](@ref Action) in *failed* state */
- virtual ActionList* getFailedActionSet() const { return failedActionSet_; }
-
- /** @brief Get the set of [actions](@ref Action) in *done* state */
- virtual ActionList* getDoneActionSet() const { return doneActionSet_; }
-
- /** @brief Get the set of modified [actions](@ref Action) */
- virtual ActionLmmListPtr getModifiedSet() const { return modifiedSet_; }
-
- /** @brief Get the maxmin system of the current Model */
- lmm_system_t getMaxminSystem() const { return maxminSystem_; }
-
- /**
- * @brief Get the update mechanism of the current Model
- * @see e_UM_t
- */
- e_UM_t getUpdateMechanism() const { return updateMechanism_; }
- void setUpdateMechanism(e_UM_t mechanism) { updateMechanism_ = mechanism; }
-
- /** @brief Get Action heap */
- heap_type& getActionHeap() { return actionHeap_; }
-
- double actionHeapTopDate() const { return actionHeap_.top().first; }
- Action* actionHeapPop();
- bool actionHeapIsEmpty() const { return actionHeap_.empty(); }
-
- /**
- * @brief Share the resources between the actions
- *
- * @param now The current time of the simulation
- * @return The delta of time till the next action will finish
- */
- virtual double nextOccuringEvent(double now);
- virtual double nextOccuringEventLazy(double now);
- virtual double nextOccuringEventFull(double now);
-
- /**
- * @brief Update action to the current time
- *
- * @param now The current time of the simulation
- * @param delta The delta of time since the last update
- */
- virtual void updateActionsState(double now, double delta);
- virtual void updateActionsStateLazy(double now, double delta);
- virtual void updateActionsStateFull(double now, double delta);
-
- /** @brief Returns whether this model have an idempotent shareResource()
- *
- * The only model that is not is NS3: computing the next timestamp moves the model up to that point,
- * so we need to call it only when the next timestamp of other sources is computed.
- */
- virtual bool nextOccuringEventIsIdempotent() { return true;}
-
-protected:
- ActionLmmListPtr modifiedSet_;
- lmm_system_t maxminSystem_ = nullptr;
- bool selectiveUpdate_;
-
-private:
- e_UM_t updateMechanism_ = UM_UNDEFINED;
- ActionList* readyActionSet_; /**< Actions in state SURF_ACTION_READY */
- ActionList* runningActionSet_; /**< Actions in state SURF_ACTION_RUNNING */
- ActionList* failedActionSet_; /**< Actions in state SURF_ACTION_FAILED */
- ActionList* doneActionSet_; /**< Actions in state SURF_ACTION_DONE */
- heap_type actionHeap_;
-};
-
-}
-}
-
-/************
- * Resource *
- ************/
-
-
