1 /* Copyright (c) 2019-2021. The SimGrid Team. All rights reserved. */
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. */
6 #include "DiskImpl.hpp"
8 #include "simgrid/s4u/Engine.hpp"
9 #include "src/kernel/EngineImpl.hpp"
10 #include "src/kernel/lmm/maxmin.hpp"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(res_disk, ker_resource, "Disk resources, fuelling I/O activities");
14 simgrid::kernel::resource::DiskModel* surf_disk_model = nullptr;
24 DiskModel::DiskModel() : Model(Model::UpdateAlgo::FULL)
26 set_maxmin_system(new simgrid::kernel::lmm::System(true /* selective update */));
29 DiskModel::~DiskModel()
31 surf_disk_model = nullptr;
38 DiskImpl::DiskImpl(kernel::resource::Model* model, const std::string& name, kernel::lmm::System* maxminSystem,
39 double read_bw, double write_bw)
40 : Resource(model, name, maxminSystem->constraint_new(this, std::max(read_bw, write_bw)))
46 XBT_DEBUG("Create resource with read_bw '%f' write_bw '%f'", read_bw_, write_bw_);
47 constraint_read_ = maxminSystem->constraint_new(this, read_bw);
48 constraint_write_ = maxminSystem->constraint_new(this, write_bw);
51 /** @brief Fire the required callbacks and destroy the object
53 * Don't delete directly a Disk, call d->destroy() instead.
55 void DiskImpl::destroy()
57 s4u::Disk::on_destruction(this->piface_);
61 bool DiskImpl::is_used() const
66 void DiskImpl::apply_event(kernel::profile::Event* /*event*/, double /*value*/)
71 void DiskImpl::turn_on()
75 s4u::Disk::on_state_change(this->piface_);
78 void DiskImpl::turn_off()
82 s4u::Disk::on_state_change(this->piface_);
86 xbt::signal<void(DiskAction const&, Action::State, Action::State)> DiskAction::on_state_change;
91 void DiskAction::set_state(Action::State state)
93 Action::State old = get_state();
94 Action::set_state(state);
95 on_state_change(*this, old, state);
97 } // namespace resource
99 } // namespace simgrid