Add new entry in Release_Notes.

[simgrid.git] / src / kernel / resource / DiskImpl.cpp

diff --git a/src/kernel/resource/DiskImpl.cpp b/src/kernel/resource/DiskImpl.cpp
index 29198e1..20c23ac 100644 (file)
--- a/src/kernel/resource/DiskImpl.cpp
+++ b/src/kernel/resource/DiskImpl.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2019-2022. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2019-2023. 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. */
@@ -6,32 +6,15 @@
 #include "DiskImpl.hpp"
 
 #include "simgrid/s4u/Engine.hpp"
-#include "simgrid/sg_config.hpp"
 #include "src/kernel/EngineImpl.hpp"
 #include "src/kernel/lmm/maxmin.hpp"
 #include "src/kernel/resource/profile/Profile.hpp"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(res_disk, ker_resource, "Disk resources, that fuel I/O activities");
-/***********
- * Options *
- ***********/
-static simgrid::config::Flag<std::string> cfg_disk_solver("disk/solver",
-                                                          "Set linear equations solver used by disk model", "maxmin",
-                                                          &simgrid::kernel::lmm::System::validate_solver);
-
 namespace simgrid::kernel::resource {
 
 xbt::signal<void(DiskAction const&, Action::State, Action::State)> DiskAction::on_state_change;
 
-/*********
- * Model *
- *********/
-
-DiskModel::DiskModel(const std::string& name) : Model(name)
-{
-  set_maxmin_system(lmm::System::build(cfg_disk_solver, true /* selective update */));
-}
-
 /************
  * Resource *
  ************/
@@ -70,6 +53,7 @@ DiskImpl* DiskImpl::set_write_constraint(lmm::Constraint* constraint_write)
 void DiskImpl::destroy()
 {
   s4u::Disk::on_destruction(piface_);
+  piface_.on_this_destruction(piface_);
   delete this;
 }
 
@@ -77,14 +61,17 @@ void DiskImpl::turn_on()
 {
   if (not is_on()) {
     Resource::turn_on();
-    s4u::Disk::on_state_change(piface_);
+    s4u::Disk::on_onoff(piface_);
+    piface_.on_this_onoff(piface_);
   }
 }
 void DiskImpl::turn_off()
 {
   if (is_on()) {
     Resource::turn_off();
-    s4u::Disk::on_state_change(piface_);
+    s4u::Disk::on_onoff(piface_);
+    piface_.on_this_onoff(piface_);
+    cancel_actions();
   }
 }
 
@@ -134,6 +121,29 @@ constexpr kernel::lmm::Constraint::SharingPolicy to_maxmin_policy(s4u::Disk::Sha
   return lmm_policy;
 }
 
+void DiskImpl::set_read_bandwidth(double value)
+{
+  read_bw_.peak = value;
+  if (constraint_read_)
+    get_model()->get_maxmin_system()->update_constraint_bound(constraint_read_, read_bw_.peak * read_bw_.scale);
+}
+
+void DiskImpl::set_write_bandwidth(double value)
+{
+  write_bw_.peak = value;
+  if (constraint_write_) {
+    get_model()->get_maxmin_system()->update_constraint_bound(constraint_write_, write_bw_.peak* write_bw_.scale);
+  }
+}
+
+void DiskImpl::set_readwrite_bandwidth(double value)
+{
+   readwrite_bw_ = value;
+   if (get_constraint()) {
+    get_model()->get_maxmin_system()->update_constraint_bound(get_constraint(), readwrite_bw_);
+  }
+}
+
 void DiskImpl::set_sharing_policy(s4u::Disk::Operation op, s4u::Disk::SharingPolicy policy,
                                   const s4u::NonLinearResourceCb& cb)
 {
@@ -177,4 +187,9 @@ void DiskAction::set_state(Action::State new_state)
     on_state_change(*this, previous_state, new_state);
   }
 }
+
+void DiskAction::update_remains_lazy(double /*now*/)
+{
+  THROW_IMPOSSIBLE;
+}
 } // namespace simgrid::kernel::resource