1 /* Copyright (c) 2013-2018. 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/surf/xml/platf.hpp"
11 #include "src/kernel/lmm/maxmin.hpp"
12 #include "xbt/utility.hpp"
13 #include <cmath> /*ceil*/
15 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
20 extern std::map<std::string, simgrid::surf::StorageType*> storage_types;
22 static void check_disk_attachment()
24 for (auto const& s : simgrid::s4u::Engine::getInstance()->getAllStorages()) {
25 simgrid::kernel::routing::NetPoint* host_elm = sg_netpoint_by_name_or_null(s->getImpl()->getHost().c_str());
27 surf_parse_error(std::string("Unable to attach storage ") + s->getCname() + ": host " +
28 s->getImpl()->getHost().c_str() + " does not exist.");
30 s->attached_to_ = sg_host_by_name(s->getImpl()->getHost().c_str());
34 void storage_register_callbacks()
36 simgrid::s4u::onPlatformCreated.connect(check_disk_attachment);
37 instr_routing_define_callbacks();
44 void surf_storage_model_init_default()
46 surf_storage_model = new simgrid::surf::StorageN11Model();
47 all_existing_models->push_back(surf_storage_model);
53 StorageImpl* StorageN11Model::createStorage(std::string id, std::string type_id, std::string content_name,
56 StorageType* storage_type = storage_types.at(type_id);
58 double Bread = surf_parse_get_bandwidth(storage_type->model_properties->at("Bread").c_str(),
59 "property Bread, storage", type_id.c_str());
60 double Bwrite = surf_parse_get_bandwidth(storage_type->model_properties->at("Bwrite").c_str(),
61 "property Bwrite, storage", type_id.c_str());
63 StorageImpl* storage =
64 new StorageN11(this, id, get_maxmin_system(), Bread, Bwrite, type_id, content_name, storage_type->size, attach);
65 storageCreatedCallbacks(storage);
67 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(),
73 double StorageN11Model::next_occuring_event(double now)
75 return StorageModel::next_occuring_event_full(now);
78 void StorageN11Model::update_actions_state(double /*now*/, double delta)
80 for (auto it = std::begin(*get_running_action_set()); it != std::end(*get_running_action_set());) {
81 StorageAction& action = static_cast<StorageAction&>(*it);
82 ++it; // increment iterator here since the following calls to action.finish() may invalidate it
83 action.update_remains(lrint(action.get_variable()->get_value() * delta));
85 if (action.get_max_duration() > NO_MAX_DURATION)
86 action.update_max_duration(delta);
88 if (((action.get_remains_no_update() <= 0) && (action.get_variable()->get_weight() > 0)) ||
89 ((action.get_max_duration() > NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
90 action.finish(kernel::resource::Action::State::done);
99 StorageN11::StorageN11(StorageModel* model, std::string name, kernel::lmm::System* maxminSystem, double bread,
100 double bwrite, std::string type_id, std::string content_name, sg_size_t size, std::string attach)
101 : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
103 XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
104 simgrid::s4u::Storage::onCreation(this->piface_);
107 StorageAction* StorageN11::read(sg_size_t size)
109 return new StorageN11Action(model(), size, isOff(), this, READ);
112 StorageAction* StorageN11::write(sg_size_t size)
114 return new StorageN11Action(model(), size, isOff(), this, WRITE);
121 StorageN11Action::StorageN11Action(kernel::resource::Model* model, double cost, bool failed, StorageImpl* storage,
122 e_surf_action_storage_type_t type)
123 : StorageAction(model, cost, failed, model->get_maxmin_system()->variable_new(this, 1.0, -1.0, 3), storage, type)
125 XBT_IN("(%s,%g", storage->getCname(), cost);
127 // Must be less than the max bandwidth for all actions
128 model->get_maxmin_system()->expand(storage->constraint(), get_variable(), 1.0);
131 model->get_maxmin_system()->expand(storage->constraintRead_, get_variable(), 1.0);
134 model->get_maxmin_system()->expand(storage->constraintWrite_, get_variable(), 1.0);
142 void StorageN11Action::cancel()
144 set_state(Action::State::failed);
147 void StorageN11Action::suspend()
149 XBT_IN("(%p)", this);
150 if (suspended_ != Action::SuspendStates::sleeping) {
151 get_model()->get_maxmin_system()->update_variable_weight(get_variable(), 0.0);
152 suspended_ = Action::SuspendStates::suspended;
157 void StorageN11Action::resume()
162 void StorageN11Action::set_max_duration(double /*duration*/)
167 void StorageN11Action::set_priority(double /*priority*/)
171 void StorageN11Action::update_remains_lazy(double /*now*/)