X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ed48bb9aa5dc358f65a2e4e854d3b8c49bef5273..8d0b1f2f1840a16bb9551f1cfd74f2488599f95b:/src/kernel/activity/IoImpl.cpp?ds=sidebyside diff --git a/src/kernel/activity/IoImpl.cpp b/src/kernel/activity/IoImpl.cpp index 2d21d2793c..1a7e46fd9e 100644 --- a/src/kernel/activity/IoImpl.cpp +++ b/src/kernel/activity/IoImpl.cpp @@ -1,79 +1,172 @@ -/* 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 +#include + #include "src/kernel/activity/IoImpl.hpp" -#include "simgrid/kernel/resource/Action.hpp" -#include "src/simix/smx_io_private.hpp" -#include "src/surf/StorageImpl.hpp" +#include "src/kernel/actor/ActorImpl.hpp" +#include "src/kernel/resource/DiskImpl.hpp" +#include "src/kernel/resource/HostImpl.hpp" + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_io, kernel, "Kernel io-related synchronization"); -XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_io); -namespace simgrid { -namespace kernel { -namespace activity { +namespace simgrid::kernel::activity { -IoImpl::IoImpl(std::string name, surf::StorageImpl* storage) : ActivityImpl(name), storage_(storage) +IoImpl::IoImpl() { - this->state_ = SIMIX_RUNNING; + piface_ = new s4u::Io(this); + actor::ActorImpl* self = actor::ActorImpl::self(); + if (self) { + set_actor(self); + self->activities_.insert(this); + } +} - XBT_DEBUG("Create io impl %p", this); +IoImpl& IoImpl::set_sharing_penalty(double sharing_penalty) +{ + sharing_penalty_ = sharing_penalty; + return *this; } -IoImpl::~IoImpl() +IoImpl& IoImpl::update_sharing_penalty(double sharing_penalty) { - if (surf_action_ != nullptr) - surf_action_->unref(); - XBT_DEBUG("Destroy io %p", this); + sharing_penalty_ = sharing_penalty; + model_action_->set_sharing_penalty(sharing_penalty); + return *this; } -IoImpl* IoImpl::start(sg_size_t size, simgrid::s4u::Io::OpType type) +IoImpl& IoImpl::set_type(s4u::Io::OpType type) { - surf_action_ = storage_->io_start(size, type); - surf_action_->set_data(this); + type_ = type; + return *this; +} - XBT_DEBUG("Create IO synchro %p %s", this, name_.c_str()); - simgrid::kernel::activity::IoImpl::on_start(this); +IoImpl& IoImpl::set_size(sg_size_t size) +{ + size_ = size; + return *this; +} - return this; +IoImpl& IoImpl::set_disk(resource::DiskImpl* disk) +{ + disk_ = disk; + return *this; } -void IoImpl::cancel() +IoImpl& IoImpl::set_host(s4u::Host* host) { - XBT_VERB("This exec %p is canceled", this); - if (surf_action_ != nullptr) - surf_action_->cancel(); + host_ = host; + return *this; } -double IoImpl::get_remaining() +IoImpl& IoImpl::set_dst_disk(resource::DiskImpl* disk) { - return surf_action_ ? surf_action_->get_remains() : 0; + dst_disk_ = disk; + return *this; } -void IoImpl::post() +IoImpl& IoImpl::set_dst_host(s4u::Host* host) { - performed_ioops_ = surf_action_->get_cost(); - switch (surf_action_->get_state()) { - case simgrid::kernel::resource::Action::State::FAILED: - state_ = SIMIX_FAILED; + dst_host_ = host; + return *this; +} + +IoImpl* IoImpl::start() +{ + set_state(State::RUNNING); + if (dst_host_ == nullptr) { + XBT_DEBUG("Starting regular I/O"); + model_action_ = disk_->io_start(size_, type_); + model_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(); + model_action_ = host_model->io_stream(host_, disk_, dst_host_, dst_disk_, size_); + } + + model_action_->set_activity(this); + set_start_time(model_action_->get_start_time()); + + XBT_DEBUG("Create IO synchro %p %s", this, get_cname()); + + return this; +} + +void IoImpl::set_exception(actor::ActorImpl* issuer) +{ + switch (get_state()) { + case State::FAILED: + issuer->set_wannadie(); + static_cast(get_iface())->complete(s4u::Activity::State::FAILED); + issuer->exception_ = std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed")); break; - case simgrid::kernel::resource::Action::State::FINISHED: - state_ = SIMIX_DONE; + case State::CANCELED: + issuer->exception_ = std::make_exception_ptr(CancelException(XBT_THROW_POINT, "I/O Canceled")); break; - default: - THROW_IMPOSSIBLE; + case State::SRC_HOST_FAILURE: + case State::DST_HOST_FAILURE: + issuer->set_wannadie(); + static_cast(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()); } - on_completion(this); +} + +void IoImpl::finish() +{ + XBT_DEBUG("IoImpl::finish() in state %s", get_state_str()); + if (model_action_ != nullptr) { + performed_ioops_ = model_action_->get_cost(); + if (model_action_->get_state() == resource::Action::State::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 + set_state(State::CANCELED); + } else { + set_state(State::DONE); + } - SIMIX_io_finish(this); + clean_action(); + } + + while (not simcalls_.empty()) { + 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_ == 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 IoImpl::on_start; -xbt::signal IoImpl::on_completion; - -} // namespace activity -} // namespace kernel -} // namespace simgrid + +} // namespace simgrid::kernel::activity