X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2f37dba04ea44bc979a25129f10b18797b6fec1e..9bcd28fb0c558fbaa23ee46416f96baef5279045:/src/surf/HostImpl.cpp diff --git a/src/surf/HostImpl.cpp b/src/surf/HostImpl.cpp index 8cf43e04fb..9dabe15b66 100644 --- a/src/surf/HostImpl.cpp +++ b/src/surf/HostImpl.cpp @@ -1,132 +1,117 @@ -/* Copyright (c) 2013-2018. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2013-2022. 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/plugins/vm/VirtualMachineImpl.hpp" -#include "src/simix/smx_private.hpp" +#include +#include +#include -#include +#include "src/kernel/EngineImpl.hpp" +#include "src/kernel/resource/VirtualMachineImpl.hpp" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_host, surf, "Logging specific to the SURF host module"); +#include -simgrid::surf::HostModel *surf_host_model = nullptr; +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(res_host, ker_resource, "Host resources agregate CPU, networking and I/O features"); /************* - * Callbacks * + * Callbacks *t *************/ namespace simgrid { -namespace surf { +namespace kernel { +namespace resource { /********* * Model * *********/ - -/* Helper function for executeParallelTask */ -static inline double has_cost(double* array, int pos) -{ - if (array) - return array[pos]; - else - return -1.0; -} - -kernel::resource::Action* HostModel::execute_parallel(int host_nb, s4u::Host** host_list, double* flops_amount, - double* bytes_amount, double rate) -{ - kernel::resource::Action* action = nullptr; - if ((host_nb == 1) && (has_cost(bytes_amount, 0) <= 0) && (has_cost(flops_amount, 0) > 0)) { - action = host_list[0]->pimpl_cpu->execution_start(flops_amount[0]); - } else if ((host_nb == 1) && (has_cost(flops_amount, 0) <= 0)) { - action = surf_network_model->communicate(host_list[0], host_list[0], bytes_amount[0], rate); - } else if ((host_nb == 2) && (has_cost(flops_amount, 0) <= 0) && (has_cost(flops_amount, 1) <= 0)) { - int nb = 0; - double value = 0.0; - - for (int i = 0; i < host_nb * host_nb; i++) { - if (has_cost(bytes_amount, i) > 0.0) { - nb++; - value = has_cost(bytes_amount, i); - } - } - if (nb == 1) { - action = surf_network_model->communicate(host_list[0], host_list[1], value, rate); - } else if (nb == 0) { - xbt_die("Cannot have a communication with no flop to exchange in this model. You should consider using the " - "ptask model"); - } else { - xbt_die("Cannot have a communication that is not a simple point-to-point in this model. You should consider " - "using the ptask model"); - } - } else { - xbt_die( - "This model only accepts one of the following. You should consider using the ptask model for the other cases.\n" - " - execution with one host only and no communication\n" - " - Self-comms with one host only\n" - " - Communications with two hosts and no computation"); - } - return action; -} - /************ * Resource * ************/ -HostImpl::HostImpl(s4u::Host* host) : piface_(host) +HostImpl::HostImpl(const std::string& name, s4u::Host* piface) : piface_(this), name_(name) { - /* The VM wants to reinstall a new HostImpl, but we don't want to leak the previously existing one */ - delete piface_->pimpl_; - piface_->pimpl_ = this; + xbt_assert(s4u::Host::by_name_or_null(name_) == nullptr, "Refusing to create a second host named '%s'.", get_cname()); + s4u::Engine::get_instance()->host_register(name_, piface); +} + +HostImpl::HostImpl(const std::string& name) : piface_(this), name_(name) +{ + xbt_assert(s4u::Host::by_name_or_null(name_) == nullptr, "Refusing to create a second host named '%s'.", get_cname()); + s4u::Engine::get_instance()->host_register(name_, &piface_); } HostImpl::~HostImpl() { - /* All processes should be gone when the host is turned off (by the end of the simulation). */ - if (not process_list_.empty()) { - std::string msg = std::string("Shutting down host, but it's not empty:"); - for (auto const& process : process_list_) - msg += "\n\t" + std::string(process.get_name()); - - SIMIX_display_process_status(); - THROWF(arg_error, 0, "%s", msg.c_str()); + /* All actors should be gone when the host is turned off (by the end of the simulation). */ + if (not actor_list_.empty()) { + std::string msg = "Shutting down host, but it's not empty:"; + for (auto const& actor : actor_list_) + msg += "\n\t" + std::string(actor.get_name()); + + EngineImpl::get_instance()->display_all_actor_status(); + xbt_die("%s", msg.c_str()); } for (auto const& arg : actors_at_boot_) delete arg; actors_at_boot_.clear(); + + for (auto const& d : disks_) + d.second->destroy(); +} + +/** @brief Fire the required callbacks and destroy the object + * + * Don't delete directly a Host, call h->destroy() instead. + */ +void HostImpl::destroy() +{ + s4u::Host::on_destruction(*this->get_iface()); + s4u::Engine::get_instance()->host_unregister(std::string(name_)); + delete this; } /** Re-starts all the actors that are marked as restartable. * * Weird things will happen if you turn on a host that is already on. S4U is fool-proof, not this. */ -void HostImpl::turn_on() +void HostImpl::turn_on() const { for (auto const& arg : actors_at_boot_) { XBT_DEBUG("Booting Actor %s(%s) right now", arg->name.c_str(), arg->host->get_cname()); - smx_actor_t actor = - SIMIX_process_create(arg->name.c_str(), arg->code, nullptr, arg->host, arg->properties.get(), nullptr); + actor::ActorImplPtr actor = actor::ActorImpl::create(arg->name, arg->code, nullptr, arg->host, nullptr); + actor->set_properties(arg->properties); + if (arg->on_exit) + *actor->on_exit = *arg->on_exit; if (arg->kill_time >= 0) - simcall_process_set_kill_time(actor, arg->kill_time); + actor->set_kill_time(arg->kill_time); if (arg->auto_restart) - actor->auto_restart_ = arg->auto_restart; + actor->set_auto_restart(arg->auto_restart); if (arg->daemon_) actor->daemonize(); } } /** Kill all actors hosted here */ -void HostImpl::turn_off() +void HostImpl::turn_off(const actor::ActorImpl* issuer) { - if (not process_list_.empty()) { - for (auto& actor : process_list_) { - XBT_DEBUG("Killing Actor %s@%s on behalf of %s which turned off that host.", actor.get_cname(), - actor.host_->get_cname(), SIMIX_process_self()->get_cname()); - SIMIX_process_kill(&actor, SIMIX_process_self()); + for (auto& actor : actor_list_) { + XBT_DEBUG("Killing Actor %s@%s on behalf of %s which turned off that host.", actor.get_cname(), + actor.get_host()->get_cname(), issuer->get_cname()); + issuer->kill(&actor); + } + for (const auto& activity : EngineImpl::get_instance()->get_maestro()->activities_) { + auto* exec = dynamic_cast(activity.get()); + if (exec != nullptr) { + auto hosts = exec->get_hosts(); + if (std::find(hosts.begin(), hosts.end(), &piface_) != hosts.end()) { + exec->cancel(); + exec->set_state(activity::State::FAILED); + } } } // When a host is turned off, we want to keep only the actors that should restart for when it will boot again. // Then get rid of the others. - auto elm = remove_if(begin(actors_at_boot_), end(actors_at_boot_), [](kernel::actor::ProcessArg* arg) { + auto elm = remove_if(begin(actors_at_boot_), end(actors_at_boot_), [](const actor::ProcessArg* arg) { if (arg->auto_restart) return false; delete arg; @@ -138,22 +123,53 @@ void HostImpl::turn_off() std::vector HostImpl::get_all_actors() { std::vector res; - for (auto& actor : process_list_) - res.push_back(actor.ciface()); + for (auto& actor : actor_list_) + res.emplace_back(actor.get_ciface()); return res; } -int HostImpl::get_actor_count() +size_t HostImpl::get_actor_count() const +{ + return actor_list_.size(); +} + +std::vector HostImpl::get_disks() const +{ + std::vector disks; + for (auto const& d : disks_) + disks.push_back(d.second->get_iface()); + return disks; +} + +s4u::Disk* HostImpl::create_disk(const std::string& name, double read_bandwidth, double write_bandwidth) { - return process_list_.size(); + auto disk = piface_.get_netpoint()->get_englobing_zone()->get_disk_model()->create_disk(name, read_bandwidth, + write_bandwidth); + return disk->set_host(&piface_)->get_iface(); } -std::vector HostImpl::get_attached_storages() + +void HostImpl::add_disk(const s4u::Disk* disk) { - std::vector storages; - for (auto const& s : storage_) - if (s.second->getHost() == piface_->get_cname()) - storages.push_back(s.second->piface_.get_cname()); - return storages; + disks_[disk->get_name()] = disk->get_impl(); } +void HostImpl::remove_disk(const std::string& name) +{ + disks_.erase(name); } + +void HostImpl::seal() +{ + if (sealed_) { + return; + } + // seals host's CPU + get_iface()->get_cpu()->seal(); + sealed_ = true; + + /* seal its disks */ + for (auto const& disk : disks_) + disk.second->seal(); } +} // namespace resource +} // namespace kernel +} // namespace simgrid