1 /* Copyright (c) 2013-2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "storage_n11.hpp"
7 #include "simgrid/kernel/routing/NetPoint.hpp"
8 #include "simgrid/s4u/Engine.hpp"
9 #include "simgrid/s4u/Host.hpp"
10 #include "src/kernel/lmm/maxmin.hpp"
11 #include "src/surf/xml/platf.hpp"
12 #include "surf/surf.hpp"
14 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
19 extern std::map<std::string, simgrid::kernel::resource::StorageType*> storage_types;
21 void check_disk_attachment()
23 for (auto const& s : simgrid::s4u::Engine::get_instance()->get_all_storages()) {
24 simgrid::kernel::routing::NetPoint* host_elm =
25 simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(s->get_impl()->get_host());
27 surf_parse_error(std::string("Unable to attach storage ") + s->get_cname() + ": host " +
28 s->get_impl()->get_host() + " does not exist.");
30 s->set_host(simgrid::s4u::Host::by_name(s->get_impl()->get_host()));
38 void surf_storage_model_init_default()
40 surf_storage_model = new simgrid::kernel::resource::StorageN11Model();
47 StorageN11Model::StorageN11Model()
49 all_existing_models.push_back(this);
52 StorageImpl* StorageN11Model::createStorage(const std::string& id, const std::string& type_id,
53 const std::string& content_name, const std::string& attach)
55 StorageType* storage_type = storage_types.at(type_id);
58 surf_parse_get_bandwidth(storage_type->model_properties->at("Bread").c_str(), "property Bread, storage", type_id);
59 double Bwrite = surf_parse_get_bandwidth(storage_type->model_properties->at("Bwrite").c_str(),
60 "property Bwrite, storage", type_id);
62 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(),
65 return new StorageN11(this, id, get_maxmin_system(), Bread, Bwrite, type_id, content_name, storage_type->size,
69 double StorageN11Model::next_occurring_event(double now)
71 return StorageModel::next_occurring_event_full(now);
74 void StorageN11Model::update_actions_state(double /*now*/, double delta)
76 for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
78 ++it; // increment iterator here since the following calls to action.finish() may invalidate it
79 action.update_remains(lrint(action.get_variable()->get_value() * delta));
80 action.update_max_duration(delta);
82 if (((action.get_remains_no_update() <= 0) && (action.get_variable()->get_penalty() > 0)) ||
83 ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
84 action.finish(Action::State::FINISHED);
93 StorageN11::StorageN11(StorageModel* model, const std::string& name, lmm::System* maxminSystem, double bread,
94 double bwrite, const std::string& type_id, const std::string& content_name, sg_size_t size,
95 const std::string& attach)
96 : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
98 XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
99 s4u::Storage::on_creation(*get_iface());
102 StorageAction* StorageN11::io_start(sg_size_t size, s4u::Io::OpType type)
104 return new StorageN11Action(get_model(), size, not is_on(), this, type);
107 StorageAction* StorageN11::read(sg_size_t size)
109 return new StorageN11Action(get_model(), size, not is_on(), this, s4u::Io::OpType::READ);
112 StorageAction* StorageN11::write(sg_size_t size)
114 return new StorageN11Action(get_model(), size, not is_on(), this, s4u::Io::OpType::WRITE);
121 StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage, s4u::Io::OpType type)
122 : StorageAction(model, cost, failed, model->get_maxmin_system()->variable_new(this, 1.0, -1.0, 3), storage, type)
124 XBT_IN("(%s,%g", storage->get_cname(), cost);
126 // Must be less than the max bandwidth for all actions
127 model->get_maxmin_system()->expand(storage->get_constraint(), get_variable(), 1.0);
129 case s4u::Io::OpType::READ:
130 model->get_maxmin_system()->expand(storage->constraint_read_, get_variable(), 1.0);
132 case s4u::Io::OpType::WRITE:
133 model->get_maxmin_system()->expand(storage->constraint_write_, get_variable(), 1.0);
141 void StorageN11Action::cancel()
143 set_state(Action::State::FAILED);
146 void StorageN11Action::suspend()
148 XBT_IN("(%p)", this);
150 get_model()->get_maxmin_system()->update_variable_penalty(get_variable(), 0.0);
151 set_suspend_state(Action::SuspendStates::SUSPENDED);
156 void StorageN11Action::resume()
161 void StorageN11Action::set_max_duration(double /*duration*/)
166 void StorageN11Action::set_sharing_penalty(double)
170 void StorageN11Action::update_remains_lazy(double /*now*/)
174 } // namespace resource
175 } // namespace kernel
176 } // namespace simgrid