src/kernel/activity/IoImpl.hpp

   1 /* Copyright (c) 2007-2020. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #ifndef SIMGRID_KERNEL_ACTIVITY_IO_HPP
   7 #define SIMGRID_KERNEL_ACTIVITY_IO_HPP
   8
   9 #include "src/kernel/activity/ActivityImpl.hpp"
  10 #include "surf/surf.hpp"
  11 #include <simgrid/s4u/Io.hpp>
  12
  13 namespace simgrid {
  14 namespace kernel {
  15 namespace activity {
  16
  17 class XBT_PUBLIC IoImpl : public ActivityImpl_T<IoImpl> {
  18   resource::StorageImpl* storage_ = nullptr;
  19   resource::DiskImpl* disk_       = nullptr;
  20   sg_size_t size_                 = 0;
  21   s4u::Io::OpType type_           = s4u::Io::OpType::READ;
  22   sg_size_t performed_ioops_      = 0;
  23   resource::Action* timeout_detector_ = nullptr;
  24
  25 public:
  26   IoImpl& set_size(sg_size_t size);
  27   IoImpl& set_type(s4u::Io::OpType type);
  28   IoImpl& set_storage(resource::StorageImpl* storage);
  29   IoImpl& set_disk(resource::DiskImpl* disk);
  30
  31   void set_timeout_detector(resource::Action* action)
  32   {
  33     timeout_detector_ = action;
  34     timeout_detector_->set_activity(this);
  35   }
  36
  37   sg_size_t get_performed_ioops() { return performed_ioops_; }
  38   resource::DiskImpl* get_disk() { return disk_; }
  39   resource::StorageImpl* get_storage() { return storage_; }
  40
  41   IoImpl* start();
  42   void post() override;
  43   void finish() override;
  44
  45   static xbt::signal<void(IoImpl const&)> on_start;
  46   static xbt::signal<void(IoImpl const&)> on_completion;
  47 };
  48 } // namespace activity
  49 } // namespace kernel
  50 } // namespace simgrid
  51
  52 #endif