src/s4u/s4u_Disk.cpp

   1 /* Copyright (c) 2019. 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 #include "simgrid/s4u/Disk.hpp"
   7 #include "simgrid/s4u/Engine.hpp"
   8 #include "simgrid/s4u/Host.hpp"
   9 #include "simgrid/s4u/Io.hpp"
  10 #include "src/kernel/resource/DiskImpl.hpp"
  11
  12 namespace simgrid {
  13 namespace xbt {
  14 template class Extendable<s4u::Disk>;
  15 } // namespace xbt
  16
  17 namespace s4u {
  18
  19 xbt::signal<void(Disk&)> Disk::on_creation;
  20 xbt::signal<void(Disk const&)> Disk::on_destruction;
  21 xbt::signal<void(Disk const&)> Disk::on_state_change;
  22
  23 Disk::Disk(const std::string& name, kernel::resource::DiskImpl* pimpl) : pimpl_(pimpl), name_(name)
  24 {
  25   Engine::get_instance()->disk_register(name_, this);
  26 }
  27
  28 Disk* Disk::by_name(const std::string& name)
  29 {
  30   return Engine::get_instance()->disk_by_name(name);
  31 }
  32
  33 Disk* Disk::by_name_or_null(const std::string& name)
  34 {
  35   return Engine::get_instance()->disk_by_name_or_null(name);
  36 }
  37
  38 const std::unordered_map<std::string, std::string>* Disk::get_properties() const
  39 {
  40   return pimpl_->get_properties();
  41 }
  42
  43 const char* Disk::get_property(const std::string& key) const
  44 {
  45   return this->pimpl_->get_property(key);
  46 }
  47
  48 void Disk::set_property(const std::string& key, const std::string& value)
  49 {
  50   kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
  51 }
  52
  53 IoPtr Disk::io_init(sg_size_t size, Io::OpType type)
  54 {
  55   return IoPtr(new Io(this, size, type));
  56 }
  57
  58 IoPtr Disk::read_async(sg_size_t size)
  59 {
  60   return IoPtr(io_init(size, Io::OpType::READ))->start();
  61 }
  62
  63 sg_size_t Disk::read(sg_size_t size)
  64 {
  65   return IoPtr(io_init(size, Io::OpType::READ))->start()->wait()->get_performed_ioops();
  66 }
  67
  68 IoPtr Disk::write_async(sg_size_t size)
  69 {
  70
  71   return IoPtr(io_init(size, Io::OpType::WRITE)->start());
  72 }
  73
  74 sg_size_t Disk::write(sg_size_t size)
  75 {
  76   return IoPtr(io_init(size, Io::OpType::WRITE))->start()->wait()->get_performed_ioops();
  77 }
  78
  79 } // namespace s4u
  80 } // namespace simgrid