-/* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2021. 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. */
+#include "simgrid/s4u/Actor.hpp"
+#include "simgrid/s4u/Disk.hpp"
#include "simgrid/s4u/Io.hpp"
#include "simgrid/s4u/Storage.hpp"
#include "src/kernel/activity/IoImpl.hpp"
#include "xbt/log.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_io, s4u_activity, "S4U asynchronous IOs");
-
namespace simgrid {
namespace s4u {
+xbt::signal<void(Io const&)> Io::on_start;
+xbt::signal<void(Io const&)> Io::on_completion;
+
+Io::Io(sg_disk_t disk, sg_size_t size, OpType type) : disk_(disk), size_(size), type_(type)
+{
+ Activity::set_remaining(size_);
+ pimpl_ = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
+}
-Io::Io(sg_storage_t storage, sg_size_t size, OpType type) : Activity(), storage_(storage), size_(size), type_(type)
+Io::Io(sg_storage_t storage, sg_size_t size, OpType type) : storage_(storage), size_(size), type_(type)
{
Activity::set_remaining(size_);
- pimpl_ = simix::simcall(
- [this] { return kernel::activity::IoImplPtr(new kernel::activity::IoImpl(name_, storage_->get_impl())); });
+ pimpl_ = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
}
Io* Io::start()
{
- simix::simcall([this] { static_cast<kernel::activity::IoImpl*>(pimpl_.get())->start(size_, type_); });
+ kernel::actor::simcall([this] {
+ if (storage_) {
+ (*boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_))
+ .set_name(get_name())
+ .set_storage(storage_->get_impl())
+ .set_size(size_)
+ .set_type(type_)
+ .start();
+ } else {
+ (*boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_))
+ .set_name(get_name())
+ .set_disk(disk_->get_impl())
+ .set_size(size_)
+ .set_type(type_)
+ .start();
+ }
+ });
+
+ if (suspended_)
+ pimpl_->suspend();
+
state_ = State::STARTED;
+ on_start(*this);
return this;
}
Io* Io::cancel()
{
- simgrid::simix::simcall([this] { static_cast<kernel::activity::IoImpl*>(pimpl_.get())->cancel(); });
+ simgrid::kernel::actor::simcall([this] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->cancel(); });
state_ = State::CANCELED;
return this;
}
Io* Io::wait()
{
- simcall_io_wait(pimpl_);
- state_ = State::FINISHED;
- return this;
-}
-
-Io* Io::wait_for(double)
-{
- THROW_UNIMPLEMENTED;
+ return this->wait_for(-1);
}
-bool Io::test()
+Io* Io::wait_for(double timeout)
{
- xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::FINISHED);
-
- if (state_ == State::FINISHED)
- return true;
-
if (state_ == State::INITED)
- this->start();
+ vetoable_start();
- THROW_UNIMPLEMENTED;
+ kernel::actor::ActorImpl* issuer = Actor::self()->get_impl();
+ kernel::actor::simcall_blocking<void>([this, issuer, timeout] { this->get_impl()->wait_for(issuer, timeout); });
+ state_ = State::FINISHED;
+ this->release_dependencies();
- // return false
+ on_completion(*this);
+ return this;
}
/** @brief Returns the amount of flops that remain to be done */
-double Io::get_remaining()
+double Io::get_remaining() const
{
- return simgrid::simix::simcall(
+ return kernel::actor::simcall(
[this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_remaining(); });
}
-sg_size_t Io::get_performed_ioops()
+sg_size_t Io::get_performed_ioops() const
{
- return simgrid::simix::simcall(
- [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_performed_ioops(); });
+ return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_performed_ioops();
}
-void intrusive_ptr_release(simgrid::s4u::Io* i)
-{
- if (i->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
- std::atomic_thread_fence(std::memory_order_acquire);
- delete i;
- }
-}
-
-void intrusive_ptr_add_ref(simgrid::s4u::Io* i)
-{
- i->refcount_.fetch_add(1, std::memory_order_relaxed);
-}
} // namespace s4u
} // namespace simgrid
