X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5187c5adc474e53b2f3cbf680cb0b950bf40f5a1..3203afd846219ef8b41cadda945ea0a98103c46f:/src/kernel/activity/IoImpl.cpp diff --git a/src/kernel/activity/IoImpl.cpp b/src/kernel/activity/IoImpl.cpp index ce4254f7f8..1a7e46fd9e 100644 --- a/src/kernel/activity/IoImpl.cpp +++ b/src/kernel/activity/IoImpl.cpp @@ -1,70 +1,42 @@ -/* Copyright (c) 2007-2020. 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 "mc/mc.h" -#include "simgrid/Exception.hpp" -#include "simgrid/kernel/resource/Action.hpp" -#include "simgrid/s4u/Host.hpp" +#include "src/kernel/actor/ActorImpl.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)"); +#include "src/kernel/resource/HostImpl.hpp" -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_); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_io, kernel, "Kernel io-related synchronization"); - /* Associate this simcall to the synchro */ - synchro->register_simcall(simcall); +namespace simgrid::kernel::activity { - 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(); - } - - /* 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)); +IoImpl::IoImpl() +{ + piface_ = new s4u::Io(this); + actor::ActorImpl* self = actor::ActorImpl::self(); + if (self) { + set_actor(self); + self->activities_.insert(this); } } -void simcall_HANDLER_io_test(smx_simcall_t simcall, simgrid::kernel::activity::IoImpl* synchro) +IoImpl& IoImpl::set_sharing_penalty(double sharing_penalty) { - 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); + sharing_penalty_ = sharing_penalty; + return *this; } -namespace simgrid { -namespace kernel { -namespace activity { +IoImpl& IoImpl::update_sharing_penalty(double sharing_penalty) +{ + sharing_penalty_ = sharing_penalty; + model_action_->set_sharing_penalty(sharing_penalty); + return *this; +} IoImpl& IoImpl::set_type(s4u::Io::OpType type) { @@ -84,88 +56,117 @@ IoImpl& IoImpl::set_disk(resource::DiskImpl* disk) return *this; } -IoImpl& IoImpl::set_storage(resource::StorageImpl* storage) +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) { - storage_ = storage; + dst_host_ = host; 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_->set_activity(this); + 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()); - IoImpl::on_start(*this); return this; } -void IoImpl::post() +void IoImpl::set_exception(actor::ActorImpl* issuer) { - 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_ = 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; + 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 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(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()); } - - 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", 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); + } + + clean_action(); + } + while (not simcalls_.empty()) { - const s_smx_simcall* simcall = simcalls_.front(); + actor::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_ = - std::make_exception_ptr(StorageFailureException(XBT_THROW_POINT, "Storage failed")); - break; - case State::CANCELED: - 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(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 IoImpl::on_start; -xbt::signal IoImpl::on_completion; - -} // namespace activity -} // namespace kernel -} // namespace simgrid +} // namespace simgrid::kernel::activity