-private:
- sg_size_t size_ = 0;
- sg_storage_t storage_ = nullptr;
- std::string name_ = "";
- OpType type_ = OpType::READ;
- std::atomic_int_fast32_t refcount_{0};
-}; // class
-}
-}; // Namespace simgrid::s4u
+public:
+#ifndef DOXYGEN
+ friend Disk; // Factory of IOs
+#endif
+
+ static xbt::signal<void(Io const&)> on_start;
+ static xbt::signal<void(Io const&)> on_completion;
+
+ static IoPtr init();
+ Io* start() override;
+ Io* wait() override;
+ Io* wait_for(double timeout) override;
+ Io* cancel() override;
+
+ double get_remaining() const override;
+ sg_size_t get_performed_ioops() const;
+ IoPtr set_disk(sg_disk_t disk);
+ IoPtr set_size(sg_size_t size);
+ IoPtr set_op_type(OpType type);
+
+ bool is_assigned() const override { return disk_ != nullptr; }
+};
+
+} // namespace s4u
+} // namespace simgrid