-/* Copyright (c) 2017-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2017-2021. 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 {
* They are generated from Disk::io_init(), Disk::read() Disk::read_async(), Disk::write() and Disk::write_async().
*/
-class XBT_PUBLIC Io : public Activity {
-public:
- enum class OpType { READ, WRITE };
-
-private:
- Storage* storage_ = nullptr;
- Disk* disk_ = nullptr;
- sg_size_t size_ = 0;
- OpType type_ = OpType::READ;
- std::string name_ = "";
- std::atomic_int_fast32_t refcount_{0};
-
- explicit Io(sg_storage_t storage, sg_size_t size, OpType type);
- explicit Io(sg_disk_t disk, sg_size_t size, OpType type);
-
-public:
+class XBT_PUBLIC Io : public Activity_T<Io> {
#ifndef DOXYGEN
- friend XBT_PUBLIC void intrusive_ptr_release(simgrid::s4u::Io* i);
- friend XBT_PUBLIC void intrusive_ptr_add_ref(simgrid::s4u::Io* i);
friend Disk; // Factory of IOs
- friend Storage; // Factory of IOs
#endif
+ Io();
- ~Io() = default;
+public:
+ enum class OpType { READ, WRITE };
+ 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;
- bool test() override;
- double get_remaining() override;
- sg_size_t get_performed_ioops();
+ double get_remaining() const override;
+ sg_size_t get_performed_ioops() const;
+ IoPtr set_disk(const_sg_disk_t disk);
+ IoPtr set_size(sg_size_t size);
+ IoPtr set_op_type(OpType type);
+
+ bool is_assigned() const override;
};
} // namespace s4u