-/* 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 "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, double timeout)
-{
- synchro->wait_for(simcall->issuer_, timeout);
-}
-
namespace simgrid {
namespace kernel {
namespace activity {
+IoImpl::IoImpl()
+{
+ piface_ = new s4u::Io(this);
+}
+
IoImpl& IoImpl::set_timeout(double timeout)
{
- s4u::Host* host = get_disk() ? get_disk()->get_host() : s4u::Host::by_name(get_storage()->get_host());
+ const s4u::Host* host = get_disk()->get_host();
timeout_detector_ = host->pimpl_cpu->sleep(timeout);
timeout_detector_->set_activity(this);
return *this;
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();
}
void IoImpl::finish()
{
+ XBT_DEBUG("IoImpl::finish() in state %s", to_c_str(state_));
while (not simcalls_.empty()) {
const s_smx_simcall* simcall = simcalls_.front();
simcalls_.pop_front();
switch (state_) {
- case State::DONE:
- /* do nothing, synchro done */
- break;
case State::FAILED:
simcall->issuer_->context_->set_wannadie();
simcall->issuer_->exception_ =
simcall->issuer_->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled"));
break;
case State::TIMEOUT:
- XBT_DEBUG("IoImpl::finish(): execution timeouted");
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;
+ 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