X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/87878ac201f73773310307d2283da58914901151..255700918582111f0aacaa7b7fed87dcedc1a840:/src/kernel/activity/IoImpl.cpp diff --git a/src/kernel/activity/IoImpl.cpp b/src/kernel/activity/IoImpl.cpp index 527aa19a2a..a6dcf3ae78 100644 --- a/src/kernel/activity/IoImpl.cpp +++ b/src/kernel/activity/IoImpl.cpp @@ -2,16 +2,20 @@ /* 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 +#include +#include +#include + #include "mc/mc.h" -#include "simgrid/Exception.hpp" -#include "simgrid/kernel/resource/Action.hpp" -#include "simgrid/s4u/Host.hpp" -#include "simgrid/s4u/Io.hpp" +#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/simix/smx_private.hpp" -#include "src/surf/cpu_interface.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)"); @@ -22,12 +26,30 @@ namespace activity { IoImpl::IoImpl() { piface_ = new s4u::Io(this); + actor::ActorImpl* self = actor::ActorImpl::self(); + if (self) { + actor_ = self; + self->activities_.emplace_back(this); + } +} + +IoImpl& IoImpl::set_sharing_penalty(double sharing_penalty) +{ + sharing_penalty_ = sharing_penalty; + return *this; +} + +IoImpl& IoImpl::update_sharing_penalty(double sharing_penalty) +{ + sharing_penalty_ = sharing_penalty; + surf_action_->set_sharing_penalty(sharing_penalty); + return *this; } IoImpl& IoImpl::set_timeout(double timeout) { const s4u::Host* host = get_disk()->get_host(); - timeout_detector_ = host->pimpl_cpu->sleep(timeout); + timeout_detector_ = host->get_cpu()->sleep(timeout); timeout_detector_->set_activity(this); return *this; } @@ -53,7 +75,9 @@ IoImpl& IoImpl::set_disk(resource::DiskImpl* disk) IoImpl* IoImpl::start() { state_ = State::RUNNING; - surf_action_ = disk_->io_start(size_, type_); + 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_); surf_action_->set_activity(this); XBT_DEBUG("Create IO synchro %p %s", this, get_cname()); @@ -89,35 +113,91 @@ void IoImpl::post() /* Answer all simcalls associated with the synchro */ finish(); } +void IoImpl::set_exception(actor::ActorImpl* issuer) +{ + switch (state_) { + case State::FAILED: + issuer->context_->set_wannadie(); + piface_->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::TIMEOUT: + issuer->exception_ = std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Timeouted")); + break; + default: + xbt_assert(state_ == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s", + to_c_str(state_)); + } +} 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(); + smx_simcall_t simcall = simcalls_.front(); simcalls_.pop_front(); - switch (state_) { - 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: - simcall->issuer_->exception_ = std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Timeouted")); - break; - default: - xbt_assert(state_ == State::DONE, "Internal error in IoImpl::finish(): unexpected synchro state %s", - to_c_str(state_)); + + /* 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 (auto* observer = dynamic_cast(simcall->observer_)) { // simcall is a wait_any? + const auto& ios = observer->get_ios(); + + for (auto* io : ios) { + io->unregister_simcall(simcall); + + if (simcall->timeout_cb_) { + simcall->timeout_cb_->remove(); + simcall->timeout_cb_ = nullptr; + } + } + + if (not MC_is_active() && not MC_record_replay_is_active()) { + auto element = std::find(ios.begin(), ios.end(), this); + int rank = element != ios.end() ? static_cast(std::distance(ios.begin(), element)) : -1; + observer->set_result(rank); + } } + set_exception(simcall->issuer_); + simcall->issuer_->waiting_synchro_ = nullptr; simcall->issuer_->simcall_answer(); } } +void IoImpl::wait_any_for(actor::ActorImpl* issuer, const std::vector& ios, double timeout) +{ + if (timeout < 0.0) { + issuer->simcall_.timeout_cb_ = nullptr; + } else { + issuer->simcall_.timeout_cb_ = timer::Timer::set(s4u::Engine::get_clock() + timeout, [issuer, &ios]() { + issuer->simcall_.timeout_cb_ = nullptr; + for (auto* io : ios) + io->unregister_simcall(&issuer->simcall_); + // default result (-1) is set in actor::IoWaitanySimcall + issuer->simcall_answer(); + }); + } + + for (auto* io : ios) { + /* associate this simcall to the the synchro */ + io->simcalls_.push_back(&issuer->simcall_); + + /* see if the synchro is already finished */ + if (io->state_ != State::WAITING && io->state_ != State::RUNNING) { + io->finish(); + break; + } + } +} + } // namespace activity } // namespace kernel } // namespace simgrid