X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/84402e8e2ee2a2d0bef25fdceb0a263ed8b471f6..6d0a0282a8f54a7fdc062bfabfeca5bb05d31710:/src/surf/HostImpl.cpp diff --git a/src/surf/HostImpl.cpp b/src/surf/HostImpl.cpp index 84e257ebac..ad435f4528 100644 --- a/src/surf/HostImpl.cpp +++ b/src/surf/HostImpl.cpp @@ -1,23 +1,26 @@ -/* Copyright (c) 2013-2020. 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 *t *************/ namespace simgrid { -namespace surf { +namespace kernel { +namespace resource { /********* * Model * @@ -25,64 +28,87 @@ namespace surf { /************ * Resource * ************/ -HostImpl::HostImpl(s4u::Host* host) : piface_(host) +HostImpl::HostImpl(const std::string& name) : 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()); } HostImpl::~HostImpl() { /* 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()); + const char* msg = "Shutting down host, but it's not empty"; + try { + std::string actors; + for (auto const& actor : actor_list_) + actors += "\n\t" + std::string(actor.get_name()); + + EngineImpl::get_instance()->display_all_actor_status(); + xbt_die("%s:%s", msg, actors.c_str()); + } catch (const std::bad_alloc& ba) { + xbt_die("%s (cannot print actor list: %s)", msg, ba.what()); + } } for (auto const& arg : actors_at_boot_) delete arg; actors_at_boot_.clear(); for (auto const& d : disks_) - d->destroy(); + d.second->destroy(); + + for (auto const& vm : vms_) + vm.second->vm_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()); + 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()); - 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(); + actor::ActorImplPtr actor = actor::ActorImpl::create(arg); } } /** Kill all actors hosted here */ -void HostImpl::turn_off(kernel::actor::ActorImpl* issuer) +void HostImpl::turn_off(const actor::ActorImpl* issuer) { + /* turn_off VMs running on host */ + for (const auto& kv : vms_) { + // call s4u functions to generate the good on_state_change signal, maybe one day this wont be necessary + kv.second->get_iface()->shutdown(); + kv.second->get_iface()->turn_off(); + } 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_), [](const 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; @@ -91,51 +117,131 @@ void HostImpl::turn_off(kernel::actor::ActorImpl* issuer) actors_at_boot_.erase(elm, end(actors_at_boot_)); } +HostImpl* HostImpl::set_englobing_zone(routing::NetZoneImpl* englobing_zone) +{ + englobing_zone_ = englobing_zone; + return this; +} + std::vector HostImpl::get_all_actors() { std::vector res; for (auto& actor : actor_list_) - res.push_back(actor.ciface()); + res.emplace_back(actor.get_ciface()); return res; } -size_t HostImpl::get_actor_count() +size_t HostImpl::get_actor_count() const { return actor_list_.size(); } -std::vector HostImpl::get_disks() +std::vector HostImpl::get_disks() const { std::vector disks; for (auto const& d : disks_) - disks.push_back(d->get_iface()); + disks.push_back(d.second->get_iface()); return disks; } -void HostImpl::add_disk(const s4u::Disk* disk) +s4u::VirtualMachine* HostImpl::create_vm(const std::string& name, int core_amount, size_t ramsize) { - disks_.push_back(disk->get_impl()); + auto* host_vm = new kernel::resource::VirtualMachineImpl(name, get_iface(), core_amount, ramsize); + auto* vm = new s4u::VirtualMachine(host_vm); + host_vm->set_piface(vm); + return create_vm(name, vm); } -void HostImpl::remove_disk(const std::string& disk_name) +s4u::VirtualMachine* HostImpl::create_vm(const std::string& name, s4u::VirtualMachine* vm) { - auto position = disks_.begin(); - for (auto const& d : disks_) { - if (d->get_name() == disk_name) { - disks_.erase(position); - break; - } - position++; + vms_[name] = vm->get_vm_impl(); + + // Create a VCPU for this VM + std::vector speeds; + for (unsigned long i = 0; i < get_iface()->get_pstate_count(); i++) + speeds.push_back(get_iface()->get_pstate_speed(i)); + + auto* cpu = + englobing_zone_->get_cpu_vm_model()->create_cpu(vm, speeds)->set_core_count(vm->get_vm_impl()->get_core_amount()); + + if (get_iface()->get_pstate() != 0) + cpu->set_pstate(get_iface()->get_pstate()); + + cpu->seal(); + + /* Currently, a VM uses the network resource of its physical host */ + vm->set_netpoint(get_iface()->get_netpoint()); + + vm->seal(); + + return vm; +} + +void HostImpl::move_vm(VirtualMachineImpl* vm, HostImpl* destination) +{ + xbt_assert(vm && destination); + + vms_.erase(vm->get_name()); + destination->vms_[vm->get_name()] = vm; +} + +void HostImpl::destroy_vm(const std::string& name) +{ + auto* vm = vms_[name]; + vms_.erase(name); + vm->vm_destroy(); +} + +VirtualMachineImpl* HostImpl::get_vm_by_name_or_null(const std::string& name) const +{ + auto vm_it = vms_.find(name); + if (vm_it != vms_.end()) + return vm_it->second; + return nullptr; +} + +std::vector HostImpl::get_vms() const +{ + std::vector vms; + for (const auto& kv : vms_) { + vms.push_back(kv.second->get_iface()); } + return vms; } -std::vector HostImpl::get_attached_storages() +s4u::Disk* HostImpl::create_disk(const std::string& name, double read_bandwidth, double write_bandwidth) { - std::vector storages; - for (auto const& s : storage_) - if (s.second->get_host() == piface_->get_cname()) - storages.push_back(s.second->get_iface()->get_cname()); - return storages; + 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(); } -} // namespace surf +void HostImpl::add_disk(const s4u::Disk* disk) +{ + 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(); + + /* seal its VMs */ + for (auto const& vm : vms_) + vm.second->seal(); +} +} // namespace resource +} // namespace kernel } // namespace simgrid