X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7ef49c428ab0209965a09a36ab28b59789aaa4b5..4141cd9660259caa66e2e9af10873e53402b4812:/src/simix/smx_io.cpp diff --git a/src/simix/smx_io.cpp b/src/simix/smx_io.cpp index cfd7f33179..4b8ecbc42f 100644 --- a/src/simix/smx_io.cpp +++ b/src/simix/smx_io.cpp @@ -1,151 +1,64 @@ -/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2007-2019. 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 -#include - +#include "mc/mc.h" +#include "simgrid/Exception.hpp" #include "simgrid/s4u/Host.hpp" -#include "simgrid/s4u/Storage.hpp" -#include "src/surf/FileImpl.hpp" -#include "src/surf/StorageImpl.hpp" -#include "surf/surf.h" - -#include +#include "simgrid/s4u/Io.hpp" -#include "src/surf/surf_interface.hpp" -#include "smx_private.h" - -#include "src/kernel/activity/SynchroIo.hpp" +#include "smx_private.hpp" +#include "src/kernel/activity/IoImpl.hpp" +#include "src/mc/mc_replay.hpp" +#include "src/simix/smx_io_private.hpp" +#include "src/surf/StorageImpl.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)"); -//SIMIX FILE READ -void simcall_HANDLER_file_read(smx_simcall_t simcall, surf_file_t fd, sg_size_t size, sg_host_t host) -{ - smx_activity_t synchro = SIMIX_file_read(fd, size, host); - synchro->simcalls.push_back(simcall); - simcall->issuer->waiting_synchro = synchro; -} - -smx_activity_t SIMIX_file_read(surf_file_t file, sg_size_t size, sg_host_t host) -{ - /* check if the host is active */ - if (host->isOff()) - THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->getCname()); - - simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl(); - synchro->host = host; - synchro->surf_io = surf_host_read(host, file, size); - - synchro->surf_io->setData(synchro); - XBT_DEBUG("Create io synchro %p", synchro); - - return synchro; -} - -//SIMIX FILE WRITE -void simcall_HANDLER_file_write(smx_simcall_t simcall, surf_file_t fd, sg_size_t size, sg_host_t host) -{ - smx_activity_t synchro = SIMIX_file_write(fd, size, host); - synchro->simcalls.push_back(simcall); - simcall->issuer->waiting_synchro = synchro; -} - -smx_activity_t SIMIX_file_write(surf_file_t file, sg_size_t size, sg_host_t host) -{ - if (host->isOff()) - THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->getCname()); - - simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl(); - synchro->host = host; - synchro->surf_io = surf_host_write(host, file, size); - synchro->surf_io->setData(synchro); - XBT_DEBUG("Create io synchro %p", synchro); - - return synchro; -} - -//SIMIX FILE OPEN -void simcall_HANDLER_file_open(smx_simcall_t simcall, const char* mount, const char* path, sg_storage_t st) +void simcall_HANDLER_io_wait(smx_simcall_t simcall, smx_activity_t synchro) { - smx_activity_t synchro = SIMIX_file_open(mount, path, st); - synchro->simcalls.push_back(simcall); - simcall->issuer->waiting_synchro = synchro; -} + XBT_DEBUG("Wait for execution of synchro %p, state %d", synchro.get(), (int)synchro->state_); -smx_activity_t SIMIX_file_open(const char* mount, const char* path, sg_storage_t st) -{ - if (st->getHost()->isOff()) - THROWF(host_error, 0, "Host %s failed, you cannot call this function", st->getHost()->getCname()); - - simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl(); - synchro->host = st->getHost(); - synchro->surf_io = st->pimpl_->open(mount, path); - synchro->surf_io->setData(synchro); - XBT_DEBUG("Create io synchro %p", synchro); - - return synchro; -} - -//SIMIX FILE CLOSE -void simcall_HANDLER_file_close(smx_simcall_t simcall, surf_file_t fd, sg_host_t host) -{ - smx_activity_t synchro = SIMIX_file_close(fd, host); - synchro->simcalls.push_back(simcall); + /* Associate this simcall to the synchro */ + synchro->simcalls_.push_back(simcall); simcall->issuer->waiting_synchro = synchro; -} - -smx_activity_t SIMIX_file_close(surf_file_t file, sg_host_t host) -{ - if (host->isOff()) - THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->getCname()); - simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl(); - synchro->host = host; - synchro->surf_io = surf_host_close(host, file); - synchro->surf_io->setData(synchro); - XBT_DEBUG("Create io synchro %p", synchro); - - return synchro; -} + /* set surf's synchro */ + if (MC_is_active() || MC_record_replay_is_active()) { + synchro->state_ = SIMIX_DONE; + SIMIX_io_finish(synchro); + return; + } -void SIMIX_io_destroy(smx_activity_t synchro) -{ - simgrid::kernel::activity::IoImplPtr io = boost::static_pointer_cast(synchro); - XBT_DEBUG("Destroy synchro %p", synchro.get()); - if (io->surf_io) - io->surf_io->unref(); + /* If the synchro is already finished then perform the error handling */ + if (synchro->state_ != SIMIX_RUNNING) + SIMIX_io_finish(synchro); } void SIMIX_io_finish(smx_activity_t synchro) { - for (smx_simcall_t simcall : synchro->simcalls) { - switch (synchro->state) { + for (smx_simcall_t const& simcall : synchro->simcalls_) { + switch (synchro->state_) { case SIMIX_DONE: /* do nothing, synchro done */ break; case SIMIX_FAILED: - SMX_EXCEPTION(simcall->issuer, io_error, 0, "IO failed"); + simcall->issuer->exception_ = + std::make_exception_ptr(simgrid::StorageFailureException(XBT_THROW_POINT, "Storage failed")); break; case SIMIX_CANCELED: - SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled"); + simcall->issuer->exception_ = + std::make_exception_ptr(simgrid::CancelException(XBT_THROW_POINT, "I/O Canceled")); break; default: - xbt_die("Internal error in SIMIX_io_finish: unexpected synchro state %d", static_cast(synchro->state)); - } - - if (simcall->issuer->host->isOff()) { - simcall->issuer->context->iwannadie = 1; + xbt_die("Internal error in SIMIX_io_finish: unexpected synchro state %d", static_cast(synchro->state_)); } simcall->issuer->waiting_synchro = nullptr; - SIMIX_simcall_answer(simcall); + if (simcall->issuer->get_host()->is_on()) + SIMIX_simcall_answer(simcall); + else + simcall->issuer->context_->iwannadie = true; } - - /* We no longer need it */ - SIMIX_io_destroy(synchro); }