-/* Copyright (c) 2007-2022. 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 "src/kernel/actor/ActorImpl.hpp"
#include "src/kernel/actor/SimcallObserver.hpp"
-#include "src/kernel/context/Context.hpp"
#include "src/kernel/resource/CpuImpl.hpp"
#include "src/kernel/resource/DiskImpl.hpp"
#include "src/mc/mc_replay.hpp"
+#include "src/surf/HostImpl.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_io, kernel, "Kernel io-related synchronization");
-namespace simgrid {
-namespace kernel {
-namespace activity {
+namespace simgrid::kernel::activity {
IoImpl::IoImpl()
{
actor::ActorImpl* self = actor::ActorImpl::self();
if (self) {
set_actor(self);
- self->activities_.emplace_back(this);
+ self->activities_.insert(this);
}
}
return *this;
}
+IoImpl& IoImpl::set_host(s4u::Host* host)
+{
+ 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()
{
set_state(State::RUNNING);
- surf_action_ =
- disk_->get_host()->get_netpoint()->get_englobing_zone()->get_disk_model()->io_start(disk_, size_, type_);
- surf_action_->set_sharing_penalty(sharing_penalty_);
+ 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());
{
performed_ioops_ = surf_action_->get_cost();
if (surf_action_->get_state() == resource::Action::State::FAILED) {
- if (disk_ && not disk_->is_on())
+ 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
set_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);
- set_state(State::TIMEOUT);
- } else {
- set_state(State::DONE);
- }
+ } 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);
}
{
switch (get_state()) {
case State::FAILED:
- issuer->context_->set_wannadie();
+ 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;
{
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();
/* 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_ == simix::Simcall::NONE) // FIXME: maybe a better way to handle this case
- continue; // if process handling comm is killed
+ 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);
- set_exception(simcall->issuer_);
-
- simcall->issuer_->waiting_synchro_ = nullptr;
- simcall->issuer_->simcall_answer();
+ 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();
+ }
+ }
}
}
-} // namespace activity
-} // namespace kernel
-} // namespace simgrid
+} // namespace simgrid::kernel::activity
