-/* Copyright (c) 2017-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2017-2023. 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. */
#include <simgrid/forward.h>
#include <simgrid/s4u/Activity.hpp>
-#include <atomic>
#include <string>
-namespace simgrid {
-namespace s4u {
+namespace simgrid::s4u {
/** I/O Activity, representing the asynchronous disk access.
*
- * They are generated from simgrid::s4u::Storage::read() and simgrid::s4u::Storage::write().
+ * They are generated from Disk::io_init(), Disk::read() Disk::read_async(), Disk::write() and Disk::write_async().
*/
-class XBT_PUBLIC Io : public Activity {
+class XBT_PUBLIC Io : public Activity_T<Io> {
+#ifndef DOXYGEN
+ friend kernel::activity::IoImpl;
+ friend kernel::EngineImpl;
+#endif
+
+protected:
+ explicit Io(kernel::activity::IoImplPtr pimpl);
+ Io* do_start() override;
+
+ static ssize_t deprecated_wait_any_for(const std::vector<IoPtr>& ios, double timeout); // XBT_ATTRIB_DEPRECATED_v339
+
public:
enum class OpType { READ, WRITE };
-private:
- explicit Io(sg_size_t size, OpType type) : Activity(), size_(size), type_(type) {}
-public:
- friend XBT_PUBLIC void intrusive_ptr_release(simgrid::s4u::Io* i);
- friend XBT_PUBLIC void intrusive_ptr_add_ref(simgrid::s4u::Io* i);
- friend Storage; // Factory of IOs
-
- ~Io() = default;
-
- Activity* start() override;
- Activity* wait() override;
- Activity* wait(double timeout) override;
- Activity* cancel() override;
-
- double get_remaining() override;
- sg_size_t get_performed_ioops();
-
-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
+ /*! \static Initiate the creation of an I/O. Setters have to be called afterwards */
+ static IoPtr init();
+#ifndef DOXYGEN
+ XBT_ATTRIB_DEPRECATED_v339("Please use ActivitySet instead")
+ static ssize_t wait_any(const std::vector<IoPtr>& ios) { return deprecated_wait_any_for(ios, -1); }
+ XBT_ATTRIB_DEPRECATED_v339("Please use ActivitySet instead")
+ static ssize_t wait_any_for(const std::vector<IoPtr>& ios, double timeout) { return deprecated_wait_any_for(ios, timeout); }
+#endif
+
+ double get_remaining() const override;
+ sg_size_t get_performed_ioops() const;
+ IoPtr set_disk(const_sg_disk_t disk);
+ IoPtr set_priority(double priority);
+ IoPtr set_size(sg_size_t size);
+ IoPtr set_op_type(OpType type);
+
+ static IoPtr streamto_init(Host* from, const Disk* from_disk, Host* to, const Disk* to_disk);
+ static IoPtr streamto_async(Host* from, const Disk* from_disk, Host* to, const Disk* to_disk,
+ uint64_t simulated_size_in_bytes);
+ static void streamto(Host* from, const Disk* from_disk, Host* to, const Disk* to_disk,
+ uint64_t simulated_size_in_bytes);
+
+ IoPtr set_source(Host* from, const Disk* from_disk);
+ IoPtr set_destination(Host* to, const Disk* to_disk);
+
+ IoPtr update_priority(double priority);
+
+ bool is_assigned() const override;
+};
+
+} // namespace simgrid::s4u
#endif /* SIMGRID_S4U_IO_HPP */