-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2023. 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/activity/IoImpl.hpp"
+
+#include <simgrid/Exception.hpp>
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include <simgrid/s4u/Engine.hpp>
+#include <simgrid/s4u/Host.hpp>
+
#include "mc/mc.h"
-#include "simgrid/Exception.hpp"
-#include "simgrid/kernel/resource/Action.hpp"
-#include "simgrid/s4u/Host.hpp"
+#include "src/kernel/activity/IoImpl.hpp"
+#include "src/kernel/actor/ActorImpl.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
+#include "src/kernel/resource/CpuImpl.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/HostImpl.hpp"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_io, kernel, "Kernel io-related synchronization");
-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_);
+namespace simgrid::kernel::activity {
- /* Associate this simcall to the synchro */
- synchro->register_simcall(simcall);
+IoImpl::IoImpl()
+{
+ piface_ = new s4u::Io(this);
+ actor::ActorImpl* self = actor::ActorImpl::self();
+ if (self) {
+ set_actor(self);
+ self->activities_.insert(this);
+ }
+}
- if (MC_is_active() || MC_record_replay_is_active())
- synchro->state_ = SIMIX_DONE;
+IoImpl& IoImpl::set_sharing_penalty(double sharing_penalty)
+{
+ sharing_penalty_ = sharing_penalty;
+ return *this;
+}
- /* If the synchro is already finished then perform the error handling */
- if (synchro->state_ != SIMIX_RUNNING)
- synchro->finish();
+IoImpl& IoImpl::update_sharing_penalty(double sharing_penalty)
+{
+ sharing_penalty_ = sharing_penalty;
+ surf_action_->set_sharing_penalty(sharing_penalty);
+ return *this;
}
-namespace simgrid {
-namespace kernel {
-namespace activity {
+IoImpl& IoImpl::set_timeout(double timeout)
+{
+ const s4u::Host* host = get_disk()->get_host();
+ timeout_detector_ = host->get_cpu()->sleep(timeout);
+ timeout_detector_->set_activity(this);
+ return *this;
+}
IoImpl& IoImpl::set_type(s4u::Io::OpType type)
{
return *this;
}
-IoImpl& IoImpl::set_storage(resource::StorageImpl* storage)
+IoImpl& IoImpl::set_host(s4u::Host* host)
{
- storage_ = storage;
+ host_ = host;
+ return *this;
+}
+
+IoImpl& IoImpl::set_dst_disk(resource::DiskImpl* disk)
+{
+ dst_disk_ = disk;
+ return *this;
+}
+
+IoImpl& IoImpl::set_dst_host(s4u::Host* host)
+{
+ dst_host_ = host;
return *this;
}
IoImpl* IoImpl::start()
{
- state_ = SIMIX_RUNNING;
- if (storage_)
- surf_action_ = storage_->io_start(size_, type_);
- else
+ set_state(State::RUNNING);
+ if (dst_host_ == nullptr) {
+ XBT_DEBUG("Starting regular I/O");
surf_action_ = disk_->io_start(size_, type_);
+ surf_action_->set_sharing_penalty(sharing_penalty_);
+ } else {
+ XBT_DEBUG("Starting streaming I/O");
+ auto host_model = dst_host_->get_netpoint()->get_englobing_zone()->get_host_model();
+ surf_action_ = host_model->io_stream(host_, disk_, dst_host_, dst_disk_, size_);
+ }
+
surf_action_->set_activity(this);
+ set_start_time(surf_action_->get_start_time());
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()))
- state_ = SIMIX_FAILED;
+ if (host_ && dst_host_) { // this is an I/O stream
+ if (not host_->is_on())
+ set_state(State::SRC_HOST_FAILURE);
+ else if (not dst_host_->is_on())
+ set_state(State::DST_HOST_FAILURE);
+ } else if ((disk_ && not disk_->is_on()) || (dst_disk_ && not dst_disk_->is_on()))
+ set_state(State::FAILED);
else
- state_ = SIMIX_CANCELED;
- } else if (surf_action_->get_state() == resource::Action::State::FINISHED) {
- state_ = SIMIX_DONE;
+ set_state(State::CANCELED);
+ } else if (timeout_detector_ && timeout_detector_->get_state() == resource::Action::State::FINISHED &&
+ surf_action_->get_remains() > 0.0) {
+ surf_action_->set_state(resource::Action::State::FAILED);
+ set_state(State::TIMEOUT);
+ } else {
+ set_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::set_exception(actor::ActorImpl* issuer)
+{
+ switch (get_state()) {
+ case State::FAILED:
+ issuer->set_wannadie();
+ static_cast<s4u::Io*>(get_iface())->complete(s4u::Activity::State::FAILED);
+ issuer->exception_ = std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed"));
+ break;
+ case State::CANCELED:
+ issuer->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled"));
+ break;
+ case State::SRC_HOST_FAILURE:
+ case State::DST_HOST_FAILURE:
+ issuer->set_wannadie();
+ static_cast<s4u::Io*>(get_iface())->complete(s4u::Activity::State::FAILED);
+ issuer->exception_ = std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Host failed"));
+ break;
+ case State::TIMEOUT:
+ issuer->exception_ = std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Timeouted"));
+ break;
+ default:
+ xbt_assert(get_state() == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s",
+ get_state_str());
+ }
+}
void IoImpl::finish()
{
+ XBT_DEBUG("IoImpl::finish() in state %s", get_state_str());
while (not simcalls_.empty()) {
- smx_simcall_t simcall = simcalls_.front();
+ actor::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_ =
- 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"));
- break;
- default:
- xbt_die("Internal error in IoImpl::finish(): unexpected synchro state %d", static_cast<int>(state_));
- }
- simcall->issuer_->waiting_synchro = nullptr;
- simcall->issuer_->simcall_answer();
+ /* If a waitany simcall is waiting for this synchro to finish, then remove it from the other synchros in the waitany
+ * list. Afterwards, get the position of the actual synchro in the waitany list and return it as the result of the
+ * simcall */
+
+ if (simcall->call_ == actor::Simcall::Type::NONE) // FIXME: maybe a better way to handle this case
+ continue; // if process handling comm is killed
+
+ handle_activity_waitany(simcall);
+
+ if (not simcall->issuer_->get_host()->is_on()) {
+ simcall->issuer_->set_wannadie();
+ } else {
+ // Do not answer to dying actors
+ if (not simcall->issuer_->wannadie()) {
+ set_exception(simcall->issuer_);
+ 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
+} // namespace simgrid::kernel::activity
