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'virtual' looks superfluous here.
[simgrid.git] / include / simgrid / s4u / Activity.hpp
index 8e9e8ab..df676a1 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2022. 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. */
@@ -6,7 +6,6 @@
 #ifndef SIMGRID_S4U_ACTIVITY_HPP
 #define SIMGRID_S4U_ACTIVITY_HPP
 
-#include <xbt/asserts.h>
 #include <algorithm>
 #include <atomic>
 #include <set>
 #include <stdexcept>
 #include <string>
 #include <vector>
+#include <xbt/Extendable.hpp>
+#include <xbt/asserts.h>
 #include <xbt/signal.hpp>
 #include <xbt/utility.hpp>
 
 XBT_LOG_EXTERNAL_CATEGORY(s4u_activity);
 
 namespace simgrid {
+
+extern template class XBT_PUBLIC xbt::Extendable<s4u::Activity>;
+
 namespace s4u {
 
 /** @brief Activities
@@ -27,12 +31,13 @@ namespace s4u {
  * This class is the ancestor of every activities that an actor can undertake.
  * That is, activities are all the things that do take time to the actor in the simulated world.
  */
-class XBT_PUBLIC Activity {
+class XBT_PUBLIC Activity : public xbt::Extendable<Activity> {
   friend Comm;
   friend Exec;
   friend Io;
 #ifndef DOXYGEN
   friend std::vector<ActivityPtr> create_DAG_from_dot(const std::string& filename);
+  friend std::vector<ActivityPtr> create_DAG_from_DAX(const std::string& filename);
 #endif
 
 public:
@@ -40,12 +45,15 @@ public:
   XBT_DECLARE_ENUM_CLASS(State, INITED, STARTING, STARTED, FAILED, CANCELED, FINISHED);
 
   virtual bool is_assigned() const = 0;
-  virtual bool dependencies_solved() const { return dependencies_.empty(); }
-  virtual unsigned long is_waited_by() const { return successors_.size(); }
+  bool dependencies_solved() const { return dependencies_.empty(); }
+  unsigned long is_waited_by() const { return successors_.size(); }
+  const std::set<ActivityPtr>& get_dependencies() const { return dependencies_; }
+  const std::vector<ActivityPtr>& get_successors() const { return successors_; }
 
 protected:
   Activity()  = default;
   virtual ~Activity() = default;
+  void destroy();
 
   void release_dependencies()
   {
@@ -87,13 +95,17 @@ protected:
 
   static std::set<Activity*>* vetoed_activities_;
 
-public:
-  /*! Signal fired each time that the activity fails to start because of a veto (e.g., unsolved dependency or no
-   * resource assigned) */
+private:
   static xbt::signal<void(Activity&)> on_veto;
-  /*! Signal fired when theactivity completes  (either normally, cancelled or failed) */
   static xbt::signal<void(Activity&)> on_completion;
 
+public:
+  /*! Add a callback fired each time that the activity fails to start because of a veto (e.g., unsolved dependency or no
+   * resource assigned) */
+  static void on_veto_cb(const std::function<void(Activity&)>& cb) { on_veto.connect(cb); }
+  /*! Add a callback fired when theactivity completes (either normally, cancelled or failed) */
+  static void on_completion_cb(const std::function<void(Activity&)>& cb) { on_completion.connect(cb); }
+
   void vetoable_start()
   {
     state_ = State::STARTING;
@@ -110,9 +122,9 @@ public:
   void complete(Activity::State state)
   {
     state_ = state;
+    on_completion(*this);
     if (state == State::FINISHED)
       release_dependencies();
-    on_completion(*this);
   }
 
   static std::set<Activity*>* get_vetoed_activities() { return vetoed_activities_; }
@@ -164,6 +176,11 @@ public:
    * It is forbidden to change the amount of work once the Activity is started */
   Activity* set_remaining(double remains);
 
+  double get_start_time() const;
+  double get_finish_time() const;
+  void mark() { marked_ = true; }
+  bool is_marked() const { return marked_; }
+
   /** Returns the internal implementation of this Activity */
   kernel::activity::ActivityImpl* get_impl() const { return pimpl_.get(); }
 
@@ -189,6 +206,7 @@ private:
   Activity::State state_                   = Activity::State::INITED;
   double remains_                          = 0;
   bool suspended_                          = false;
+  bool marked_                             = false;
   std::vector<ActivityPtr> successors_;
   std::set<ActivityPtr> dependencies_;
   std::atomic_int_fast32_t refcount_{0};