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_timeout(double timeout) override;
  27   IoImpl& set_size(sg_size_t size);
  28   IoImpl& set_type(s4u::Io::OpType type);
  29   IoImpl& set_storage(resource::StorageImpl* storage);
  30   IoImpl& set_disk(resource::DiskImpl* disk);
  31
  32   sg_size_t get_performed_ioops() const { return performed_ioops_; }
  33   resource::DiskImpl* get_disk() const { return disk_; }
  34   resource::StorageImpl* get_storage() const { return storage_; }
  35
  36   IoImpl* start();
  37   void wait_for(actor::ActorImpl* issuer, double timeout);
  38   void post() override;
  39   void finish() override;
  40
  41   static xbt::signal<void(IoImpl const&)> on_start;
  42   static xbt::signal<void(IoImpl const&)> on_completion;
  43 };
  44 } // namespace activity
  45 } // namespace kernel
  46 } // namespace simgrid
  47
  48 #endif