-/* Copyright (c) 2007-2020. 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 "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, double timeout)
-{
- 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()) {
- int idx = SIMCALL_GET_MC_VALUE(*simcall);
- if (idx == 0) {
- synchro->state_ = simgrid::kernel::activity::State::DONE;
- } else {
- /* If we reached this point, the wait simcall must have a timeout */
- /* Otherwise it shouldn't be enabled and executed by the MC */
- if (timeout < 0.0)
- THROW_IMPOSSIBLE;
- synchro->state_ = simgrid::kernel::activity::State::TIMEOUT;
- }
- synchro->finish();
- return;
- }
-
- /* If the synchro is already finished then perform the error handling */
- if (synchro->state_ != simgrid::kernel::activity::State::RUNNING)
- synchro->finish();
- else {
- /* we need a sleep action (even when there is no timeout) to be notified of host failures */
- if (synchro->get_disk() != nullptr)
- synchro->set_timeout_detector(synchro->get_disk()->get_host()->pimpl_cpu->sleep(timeout));
- else
- synchro->set_timeout_detector(
- simgrid::s4u::Host::by_name(synchro->get_storage()->get_host())->pimpl_cpu->sleep(timeout));
- }
-}
-
-void simcall_HANDLER_io_test(smx_simcall_t simcall, simgrid::kernel::activity::IoImpl* synchro)
-{
- bool res = (synchro->state_ != simgrid::kernel::activity::State::WAITING &&
- synchro->state_ != simgrid::kernel::activity::State::RUNNING);
- if (res) {
- synchro->simcalls_.push_back(simcall);
- synchro->finish();
- } else {
- simcall->issuer_->simcall_answer();
- }
- simcall_io_test__set__result(simcall, res);
-}
-
namespace simgrid {
namespace kernel {
namespace activity {
+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)
-{
- storage_ = storage;
- return *this;
-}
-
IoImpl* IoImpl::start()
{
state_ = State::RUNNING;
- if (storage_)
- surf_action_ = storage_->io_start(size_, type_);
- else
- surf_action_ = disk_->io_start(size_, type_);
+ 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()) || (disk_ && not disk_->is_on()))
+ if (disk_ && not disk_->is_on())
state_ = State::FAILED;
else
state_ = State::CANCELED;
- } else if (surf_action_->get_state() == resource::Action::State::FINISHED) {
- state_ = State::DONE;
} else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED) {
- state_ = State::TIMEOUT;
+ 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;
}
+ clean_action();
if (timeout_detector_) {
timeout_detector_->unref();
timeout_detector_ = nullptr;
}
- on_completion(*this);
-
/* Answer all simcalls associated with the synchro */
finish();
}
xbt_die("Internal error in IoImpl::finish(): unexpected synchro state %d", static_cast<int>(state_));
}
- simcall->issuer_->waiting_synchro = nullptr;
+ 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