-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2021. 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/Exception.hpp"
#include "simgrid/kernel/resource/Action.hpp"
#include "simgrid/s4u/Host.hpp"
+#include "simgrid/s4u/Io.hpp"
+#include "src/kernel/resource/DiskImpl.hpp"
#include "src/mc/mc_replay.hpp"
#include "src/simix/smx_private.hpp"
-#include "src/surf/StorageImpl.hpp"
+#include "src/surf/cpu_interface.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
-void simcall_HANDLER_io_wait(smx_simcall_t simcall, simgrid::kernel::activity::IoImpl* synchro)
-{
- XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro, (int)synchro->state_);
-
- /* Associate this simcall to the synchro */
- synchro->register_simcall(simcall);
-
- if (MC_is_active() || MC_record_replay_is_active())
- synchro->state_ = SIMIX_DONE;
-
- /* If the synchro is already finished then perform the error handling */
- if (synchro->state_ != SIMIX_RUNNING)
- synchro->finish();
-}
-
namespace simgrid {
namespace kernel {
namespace activity {
+IoImpl::IoImpl()
+{
+ piface_ = new s4u::Io(this);
+}
+
+IoImpl& IoImpl::set_timeout(double timeout)
+{
+ const s4u::Host* host = get_disk()->get_host();
+ timeout_detector_ = host->pimpl_cpu->sleep(timeout);
+ timeout_detector_->set_activity(this);
+ return *this;
+}
+
IoImpl& IoImpl::set_type(s4u::Io::OpType type)
{
type_ = type;
return *this;
}
-IoImpl& IoImpl::set_storage(resource::StorageImpl* storage)
+IoImpl& IoImpl::set_disk(resource::DiskImpl* disk)
{
- storage_ = storage;
+ disk_ = disk;
return *this;
}
IoImpl* IoImpl::start()
{
- state_ = SIMIX_RUNNING;
- surf_action_ = storage_->io_start(size_, type_);
+ state_ = State::RUNNING;
+ surf_action_ = disk_->io_start(size_, type_);
surf_action_->set_activity(this);
XBT_DEBUG("Create IO synchro %p %s", this, get_cname());
- IoImpl::on_start(*this);
return this;
}
{
performed_ioops_ = surf_action_->get_cost();
if (surf_action_->get_state() == resource::Action::State::FAILED) {
- if (storage_ && not storage_->is_on())
- state_ = SIMIX_FAILED;
+ if (disk_ && not disk_->is_on())
+ state_ = State::FAILED;
else
- state_ = SIMIX_CANCELED;
- } else if (surf_action_->get_state() == resource::Action::State::FINISHED) {
- state_ = SIMIX_DONE;
+ state_ = State::CANCELED;
+ } else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) {
+ if (surf_action_->get_remains() > 0.0) {
+ surf_action_->set_state(resource::Action::State::FAILED);
+ state_ = State::TIMEOUT;
+ } else {
+ state_ = State::DONE;
+ }
+ } else {
+ state_ = State::DONE;
}
- on_completion(*this);
+ clean_action();
+ if (timeout_detector_) {
+ timeout_detector_->unref();
+ timeout_detector_ = nullptr;
+ }
+
+ /* Answer all simcalls associated with the synchro */
finish();
}
void IoImpl::finish()
{
+ XBT_DEBUG("IoImpl::finish() in state %s", to_c_str(state_));
while (not simcalls_.empty()) {
- smx_simcall_t simcall = simcalls_.front();
+ const s_smx_simcall* simcall = simcalls_.front();
simcalls_.pop_front();
switch (state_) {
- case SIMIX_DONE:
- /* do nothing, synchro done */
- break;
- case SIMIX_FAILED:
- simcall->issuer->context_->iwannadie = true;
- simcall->issuer->exception_ =
+ case State::FAILED:
+ simcall->issuer_->context_->set_wannadie();
+ simcall->issuer_->exception_ =
std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed"));
break;
- case SIMIX_CANCELED:
- simcall->issuer->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled"));
+ case State::CANCELED:
+ simcall->issuer_->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled"));
+ break;
+ case State::TIMEOUT:
+ simcall->issuer_->exception_ = std::make_exception_ptr(simgrid::TimeoutException(XBT_THROW_POINT, "Timeouted"));
break;
default:
- xbt_die("Internal error in IoImpl::finish(): unexpected synchro state %d", static_cast<int>(state_));
+ xbt_assert(state_ == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s",
+ to_c_str(state_));
}
- simcall->issuer->waiting_synchro = nullptr;
- SIMIX_simcall_answer(simcall);
+ simcall->issuer_->waiting_synchro_ = nullptr;
+ simcall->issuer_->simcall_answer();
}
}
-/*************
- * Callbacks *
- *************/
-xbt::signal<void(IoImpl const&)> IoImpl::on_start;
-xbt::signal<void(IoImpl const&)> IoImpl::on_completion;
-
} // namespace activity
} // namespace kernel
} // namespace simgrid