X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9eee526194338d66601c96c441b53fa37f77c0dd..f863142ca1ffcf37908e0beb8dd4b71eb2a74c86:/src/surf/HostImpl.cpp diff --git a/src/surf/HostImpl.cpp b/src/surf/HostImpl.cpp index 5623d6b176..d8d97be06c 100644 --- a/src/surf/HostImpl.cpp +++ b/src/surf/HostImpl.cpp @@ -1,9 +1,11 @@ -/* Copyright (c) 2013-2018. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2013-2019. 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 "src/plugins/vm/VirtualMachineImpl.hpp" +#include "src/simix/smx_private.hpp" + #include XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_host, surf, "Logging specific to the SURF host module"); @@ -11,7 +13,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_host, surf, "Logging specific to the SURF h simgrid::surf::HostModel *surf_host_model = nullptr; /************* - * Callbacks * + * Callbacks *t *************/ namespace simgrid { @@ -20,95 +22,120 @@ namespace surf { /********* * Model * *********/ +/************ + * Resource * + ************/ +HostImpl::HostImpl(s4u::Host* host) : piface_(host) +{ + /* 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; +} -/* Each VM has a dummy CPU action on the PM layer. This CPU action works as the constraint (capacity) of the VM in the - * PM layer. If the VM does not have any active task, the dummy CPU action must be deactivated, so that the VM does not - * get any CPU share in the PM layer. */ -void HostModel::ignore_empty_vm_in_pm_LMM() +HostImpl::~HostImpl() { - /* iterate for all virtual machines */ - for (s4u::VirtualMachine* const& ws_vm : vm::VirtualMachineImpl::allVms_) { - Cpu* cpu = ws_vm->pimpl_cpu; - int active_tasks = cpu->get_constraint()->get_variable_amount(); - - /* The impact of the VM over its PM is the min between its vCPU amount and the amount of tasks it contains */ - int impact = std::min(active_tasks, ws_vm->getImpl()->get_core_amount()); - - XBT_DEBUG("set the weight of the dummy CPU action of VM%p on PM to %d (#tasks: %d)", ws_vm, impact, active_tasks); - if (impact > 0) - ws_vm->getImpl()->action_->set_priority(1. / impact); - else - ws_vm->getImpl()->action_->set_priority(0.); + /* 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 = std::string("Shutting down host, but it's not empty:"); + for (auto const& actor : actor_list_) + msg += "\n\t" + std::string(actor.get_name()); + + simix_global->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->destroy(); } -/* Helper function for executeParallelTask */ -static inline double has_cost(double* array, int pos) +/** 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() { - if (array) - return array[pos]; - else - return -1.0; + for (auto const& arg : actors_at_boot_) { + XBT_DEBUG("Booting Actor %s(%s) right now", arg->name.c_str(), arg->host->get_cname()); + simgrid::kernel::actor::ActorImplPtr actor = simgrid::kernel::actor::ActorImpl::create( + arg->name, arg->code, nullptr, arg->host, arg->properties.get(), nullptr); + if (arg->on_exit) + *actor->on_exit = *arg->on_exit; + if (arg->kill_time >= 0) + actor->set_kill_time(arg->kill_time); + if (arg->auto_restart) + actor->set_auto_restart(arg->auto_restart); + if (arg->daemon_) + actor->daemonize(); + } } -kernel::resource::Action* HostModel::execute_parallel(int host_nb, s4u::Host** host_list, double* flops_amount, - double* bytes_amount, double rate) +/** Kill all actors hosted here */ +void HostImpl::turn_off(kernel::actor::ActorImpl* issuer) { - kernel::resource::Action* action = nullptr; - if ((host_nb == 1) && (has_cost(bytes_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"); + 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); } - delete[] host_list; - delete[] flops_amount; - delete[] bytes_amount; - return action; + // 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) { + if (arg->auto_restart) + return false; + delete arg; + return true; + }); + actors_at_boot_.erase(elm, end(actors_at_boot_)); } -/************ - * Resource * - ************/ -HostImpl::HostImpl(s4u::Host* host) : piface_(host) +std::vector HostImpl::get_all_actors() { - /* 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; + std::vector res; + for (auto& actor : actor_list_) + res.push_back(actor.ciface()); + return res; +} +size_t HostImpl::get_actor_count() +{ + return actor_list_.size(); +} + +std::vector HostImpl::get_disks() +{ + std::vector disks; + for (auto const& d : disks_) + disks.push_back(d->get_iface()); + return disks; +} + +void HostImpl::add_disk(s4u::Disk* disk) +{ + disks_.push_back(disk->get_impl()); +} + +void HostImpl::remove_disk(const std::string& disk_name) +{ + auto position = disks_.begin(); + for (auto const& d : disks_) { + if (d->get_name() == disk_name) { + disks_.erase(position); + break; + } + position++; + } } std::vector HostImpl::get_attached_storages() { std::vector storages; for (auto const& s : storage_) - if (s.second->getHost() == piface_->get_cname()) - storages.push_back(s.second->piface_.get_cname()); + if (s.second->get_host() == piface_->get_cname()) + storages.push_back(s.second->get_iface()->get_cname()); return storages; } -} -} +} // namespace surf +} // namespace simgrid