1 /* Copyright (c) 2013-2017. 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/s4u/Engine.hpp"
8 #include "src/kernel/routing/NetPoint.hpp"
9 #include <cmath> /*ceil*/
11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
16 extern std::map<std::string, simgrid::surf::StorageType*> storage_types;
18 static void check_disk_attachment()
20 for (auto const& s : *simgrid::surf::StorageImpl::storagesMap()) {
21 simgrid::kernel::routing::NetPoint* host_elm = sg_netpoint_by_name_or_null(s.second->getHost().c_str());
23 surf_parse_error(std::string("Unable to attach storage ") + s.second->cname() + ": host " + s.second->getHost() +
26 s.second->piface_.attached_to_ = sg_host_by_name(s.second->getHost().c_str());
30 void storage_register_callbacks()
32 simgrid::s4u::onPlatformCreated.connect(check_disk_attachment);
33 instr_routing_define_callbacks();
40 void surf_storage_model_init_default()
42 surf_storage_model = new simgrid::surf::StorageN11Model();
43 all_existing_models->push_back(surf_storage_model);
49 StorageImpl* StorageN11Model::createStorage(std::string id, std::string type_id, std::string content_name,
52 StorageType* storage_type = storage_types.at(type_id);
54 double Bread = surf_parse_get_bandwidth(storage_type->model_properties->at("Bread").c_str(),
55 "property Bread, storage", type_id.c_str());
56 double Bwrite = surf_parse_get_bandwidth(storage_type->model_properties->at("Bwrite").c_str(),
57 "property Bwrite, storage", type_id.c_str());
59 StorageImpl* storage =
60 new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, content_name, storage_type->size, attach);
61 storageCreatedCallbacks(storage);
63 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(),
66 p_storageList.push_back(storage);
71 double StorageN11Model::nextOccuringEvent(double now)
73 return StorageModel::nextOccuringEventFull(now);
76 void StorageN11Model::updateActionsState(double /*now*/, double delta)
78 ActionList *actionSet = getRunningActionSet();
79 for (ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end()); it != itend; it = itNext) {
82 StorageAction *action = static_cast<StorageAction*>(&*it);
84 double current_progress = lrint(lmm_variable_getvalue(action->getVariable()) * delta);
86 action->updateRemains(current_progress);
87 if (action->type_ == WRITE) {
88 action->storage_->usedSize_ += current_progress;
89 action->file_->incrPosition(current_progress);
90 action->file_->setSize(action->file_->tell());
92 action->storage_->getContent()->erase(action->file_->cname());
93 action->storage_->getContent()->insert({action->file_->cname(), action->file_->size()});
96 if (action->getMaxDuration() > NO_MAX_DURATION)
97 action->updateMaxDuration(delta);
99 if (action->getRemainsNoUpdate() > 0 && lmm_get_variable_weight(action->getVariable()) > 0 &&
100 action->storage_->usedSize_ == action->storage_->getSize()) {
101 action->finish(Action::State::failed);
102 } else if (((action->getRemainsNoUpdate() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) ||
103 ((action->getMaxDuration() > NO_MAX_DURATION) && (action->getMaxDuration() <= 0))) {
104 action->finish(Action::State::done);
113 StorageN11::StorageN11(StorageModel* model, std::string name, lmm_system_t maxminSystem, double bread, double bwrite,
114 std::string type_id, std::string content_name, sg_size_t size, std::string attach)
115 : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
117 XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
118 simgrid::s4u::Storage::onCreation(this->piface_);
121 StorageAction* StorageN11::read(sg_size_t size)
123 return new StorageN11Action(model(), size, isOff(), this, READ);
126 StorageAction* StorageN11::write(sg_size_t size)
128 return new StorageN11Action(model(), size, isOff(), this, WRITE);
135 StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage,
136 e_surf_action_storage_type_t type)
137 : StorageAction(model, cost, failed, lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0, 3), storage, type)
139 XBT_IN("(%s,%g", storage->cname(), cost);
141 // Must be less than the max bandwidth for all actions
142 lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
145 lmm_expand(model->getMaxminSystem(), storage->constraintRead_, getVariable(), 1.0);
148 lmm_expand(model->getMaxminSystem(), storage->constraintWrite_, getVariable(), 1.0);
156 int StorageN11Action::unref()
160 if (action_hook.is_linked())
161 stateSet_->erase(stateSet_->iterator_to(*this));
163 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
164 xbt_free(getCategory());
171 void StorageN11Action::cancel()
173 setState(Action::State::failed);
176 void StorageN11Action::suspend()
178 XBT_IN("(%p)", this);
179 if (suspended_ != 2) {
180 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
186 void StorageN11Action::resume()
191 bool StorageN11Action::isSuspended()
193 return suspended_ == 1;
196 void StorageN11Action::setMaxDuration(double /*duration*/)
201 void StorageN11Action::setSharingWeight(double /*priority*/)