add the capacity the update the priority of an I/O during its execution

[simgrid.git] / src / s4u / s4u_Io.cpp

diff --git a/src/s4u/s4u_Io.cpp b/src/s4u/s4u_Io.cpp
index 38050e1..ea8960b 100644 (file)
--- a/src/s4u/s4u_Io.cpp
+++ b/src/s4u/s4u_Io.cpp
@@ -3,13 +3,13 @@
 /* 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. */
 
-#include "simgrid/s4u/Actor.hpp"
-#include "simgrid/s4u/Disk.hpp"
-#include "simgrid/s4u/Io.hpp"
+#include <simgrid/s4u/Disk.hpp>
+#include <simgrid/s4u/Io.hpp>
+#include <xbt/log.h>
+
 #include "src/kernel/activity/IoImpl.hpp"
 #include "src/kernel/actor/ActorImpl.hpp"
 #include "src/kernel/actor/SimcallObserver.hpp"
-#include "xbt/log.h"
 
 namespace simgrid {
 namespace s4u {
@@ -78,6 +78,16 @@ IoPtr Io::set_disk(const_sg_disk_t disk)
  return this;
 }
 
+IoPtr Io::set_priority(double priority)
+{
+  xbt_assert(state_ == State::INITED || state_ == State::STARTING,
+             "Cannot change the priority of an io after its start");
+  kernel::actor::simcall([this, priority] {
+    boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_sharing_penalty(1. / priority);
+  });
+  return this;
+}
+
 IoPtr Io::set_size(sg_size_t size)
 {
   xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set size once the Io is started");
@@ -95,6 +105,14 @@ IoPtr Io::set_op_type(OpType type)
   return this;
 }
 
+IoPtr Io::update_priority(double priority)
+{
+  kernel::actor::simcall([this, priority] {
+    boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->update_sharing_penalty(1. / priority);
+  });
+  return this;
+}
+
 /** @brief Returns the amount of flops that remain to be done */
 double Io::get_remaining() const
 {