+++ /dev/null
-/* Copyright (c) 2013-2020. 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 "storage_n11.hpp"
-#include "simgrid/kernel/routing/NetPoint.hpp"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/s4u/Host.hpp"
-#include "src/kernel/lmm/maxmin.hpp"
-#include "src/surf/xml/platf.hpp"
-#include "surf/surf.hpp"
-#include "xbt/parse_units.hpp"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
-
-/*************
- * CallBacks *
- *************/
-extern std::map<std::string, simgrid::kernel::resource::StorageType*> storage_types;
-
-void check_disk_attachment()
-{
- for (auto const& s : simgrid::s4u::Engine::get_instance()->get_all_storages()) {
- const simgrid::kernel::routing::NetPoint* host_elm =
- simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(s->get_impl()->get_host());
- if (not host_elm)
- surf_parse_error(std::string("Unable to attach storage ") + s->get_cname() + ": host " +
- s->get_impl()->get_host() + " does not exist.");
- else
- s->set_host(simgrid::s4u::Host::by_name(s->get_impl()->get_host()));
- }
-}
-
-/*********
- * Model *
- *********/
-
-void surf_storage_model_init_default()
-{
- surf_storage_model = new simgrid::kernel::resource::StorageN11Model();
-}
-
-namespace simgrid {
-namespace kernel {
-namespace resource {
-
-StorageN11Model::StorageN11Model()
-{
- all_existing_models.push_back(this);
-}
-
-StorageImpl* StorageN11Model::createStorage(std::string& filename, int lineno, const std::string& id,
- const std::string& type_id, const std::string& content_name,
- const std::string& attach)
-{
- const StorageType* storage_type = storage_types.at(type_id);
-
- double Bread = xbt_parse_get_bandwidth(filename, lineno, storage_type->model_properties->at("Bread").c_str(),
- "property Bread, storage", type_id);
- double Bwrite = xbt_parse_get_bandwidth(filename, lineno, storage_type->model_properties->at("Bwrite").c_str(),
- "property Bwrite, storage", type_id);
-
- XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tBread '%f'\n", id.c_str(), type_id.c_str(),
- Bread);
-
- return new StorageN11(this, id, get_maxmin_system(), Bread, Bwrite, type_id, content_name, storage_type->size,
- attach);
-}
-
-double StorageN11Model::next_occurring_event(double now)
-{
- return StorageModel::next_occurring_event_full(now);
-}
-
-void StorageN11Model::update_actions_state(double /*now*/, double delta)
-{
- for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
- auto& action = *it;
- ++it; // increment iterator here since the following calls to action.finish() may invalidate it
- action.update_remains(rint(action.get_variable()->get_value() * delta));
- action.update_max_duration(delta);
-
- if (((action.get_remains_no_update() <= 0) && (action.get_variable()->get_penalty() > 0)) ||
- ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
- action.finish(Action::State::FINISHED);
- }
- }
-}
-
-/************
- * Resource *
- ************/
-
-StorageN11::StorageN11(StorageModel* model, const std::string& name, lmm::System* maxminSystem, double bread,
- double bwrite, const std::string& type_id, const std::string& content_name, sg_size_t size,
- const std::string& attach)
- : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
-{
- XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
- s4u::Storage::on_creation(*get_iface());
-}
-
-StorageAction* StorageN11::io_start(sg_size_t size, s4u::Io::OpType type)
-{
- return new StorageN11Action(get_model(), static_cast<double>(size), not is_on(), this, type);
-}
-
-StorageAction* StorageN11::read(sg_size_t size)
-{
- return new StorageN11Action(get_model(), static_cast<double>(size), not is_on(), this, s4u::Io::OpType::READ);
-}
-
-StorageAction* StorageN11::write(sg_size_t size)
-{
- return new StorageN11Action(get_model(), static_cast<double>(size), not is_on(), this, s4u::Io::OpType::WRITE);
-}
-
-/**********
- * Action *
- **********/
-
-StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage, s4u::Io::OpType type)
- : StorageAction(model, cost, failed, model->get_maxmin_system()->variable_new(this, 1.0, -1.0, 3), storage, type)
-{
- XBT_IN("(%s,%g", storage->get_cname(), cost);
-
- // Must be less than the max bandwidth for all actions
- model->get_maxmin_system()->expand(storage->get_constraint(), get_variable(), 1.0);
- switch(type) {
- case s4u::Io::OpType::READ:
- model->get_maxmin_system()->expand(storage->get_read_constraint(), get_variable(), 1.0);
- break;
- case s4u::Io::OpType::WRITE:
- model->get_maxmin_system()->expand(storage->get_write_constraint(), get_variable(), 1.0);
- break;
- default:
- THROW_UNIMPLEMENTED;
- }
- XBT_OUT();
-}
-
-void StorageN11Action::cancel()
-{
- set_state(Action::State::FAILED);
-}
-
-void StorageN11Action::suspend()
-{
- XBT_IN("(%p)", this);
- if (is_running()) {
- get_model()->get_maxmin_system()->update_variable_penalty(get_variable(), 0.0);
- set_suspend_state(Action::SuspendStates::SUSPENDED);
- }
- XBT_OUT();
-}
-
-void StorageN11Action::resume()
-{
- THROW_UNIMPLEMENTED;
-}
-
-void StorageN11Action::set_max_duration(double /*duration*/)
-{
- THROW_UNIMPLEMENTED;
-}
-
-void StorageN11Action::set_sharing_penalty(double)
-{
- THROW_UNIMPLEMENTED;
-}
-void StorageN11Action::update_remains_lazy(double /*now*/)
-{
- THROW_IMPOSSIBLE;
-}
-} // namespace resource
-} // namespace kernel
-} // namespace simgrid
