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 <math.h> /*ceil*/
11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
16 extern std::map<std::string, storage_type_t> storage_types;
18 static void check_disk_attachment()
20 for (auto 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("Unable to attach storage %s: host %s does not exist.", s.second->cname(),
24 s.second->getHost().c_str());
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(const char* id, const char* type_id, const char* content_name,
52 storage_type_t storage_type = storage_types.at(type_id);
55 surf_parse_get_bandwidth(storage_type->model_properties->at("Bread").c_str(), "property Bread, storage", type_id);
56 double Bwrite = surf_parse_get_bandwidth(storage_type->model_properties->at("Bwrite").c_str(),
57 "property Bwrite, storage", type_id);
59 StorageImpl* storage = new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, (char*)content_name,
60 storage_type->size, (char*)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, type_id, Bread);
65 p_storageList.push_back(storage);
70 double StorageN11Model::nextOccuringEvent(double now)
72 return StorageModel::nextOccuringEventFull(now);
75 void StorageN11Model::updateActionsState(double /*now*/, double delta)
77 ActionList *actionSet = getRunningActionSet();
78 for (ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end()); it != itend; it = itNext) {
81 StorageAction *action = static_cast<StorageAction*>(&*it);
83 if (action->type_ == WRITE) {
84 // Update the disk usage
85 // Update the file size
86 // For each action of type write
87 double current_progress = delta * lmm_variable_getvalue(action->getVariable());
88 long int incr = current_progress;
90 XBT_DEBUG("%s:\n\t progress = %.2f, current_progress = %.2f, incr = %ld, lrint(1) = %ld, lrint(2) = %ld",
91 action->file_->cname(), action->progress_, current_progress, incr,
92 lrint(action->progress_ + current_progress), lrint(action->progress_) + incr);
94 /* take care of rounding error accumulation */
95 if (lrint(action->progress_ + current_progress) > lrint(action->progress_) + incr)
98 action->progress_ += current_progress;
100 action->storage_->usedSize_ += incr; // disk usage
101 action->file_->incrPosition(incr); // current_position
102 // which becomes the new file size
103 action->file_->setSize(action->file_->tell());
105 action->storage_->getContent()->erase(action->file_->cname());
106 action->storage_->getContent()->insert({action->file_->cname(), action->file_->size()});
109 action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
111 if (action->getMaxDuration() > NO_MAX_DURATION)
112 action->updateMaxDuration(delta);
114 if (action->getRemainsNoUpdate() > 0 && lmm_get_variable_weight(action->getVariable()) > 0 &&
115 action->storage_->usedSize_ == action->storage_->getSize()) {
117 action->setState(Action::State::failed);
118 } else if (((action->getRemainsNoUpdate() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) ||
119 ((action->getMaxDuration() > NO_MAX_DURATION) && (action->getMaxDuration() <= 0))) {
121 action->setState(Action::State::done);
130 StorageN11::StorageN11(StorageModel* model, const char* name, lmm_system_t maxminSystem, double bread, double bwrite,
131 const char* type_id, char* content_name, sg_size_t size, char* attach)
132 : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
134 XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
135 simgrid::s4u::Storage::onCreation(this->piface_);
138 StorageAction* StorageN11::read(sg_size_t size)
140 return new StorageN11Action(model(), size, isOff(), this, READ);
143 StorageAction* StorageN11::write(sg_size_t size)
145 return new StorageN11Action(model(), size, isOff(), this, WRITE);
152 StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage,
153 e_surf_action_storage_type_t type)
154 : StorageAction(model, cost, failed, lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0, 3), storage, type)
156 XBT_IN("(%s,%g", storage->cname(), cost);
158 // Must be less than the max bandwidth for all actions
159 lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
162 lmm_expand(model->getMaxminSystem(), storage->constraintRead_, getVariable(), 1.0);
165 lmm_expand(model->getMaxminSystem(), storage->constraintWrite_, getVariable(), 1.0);
173 int StorageN11Action::unref()
177 if (action_hook.is_linked())
178 stateSet_->erase(stateSet_->iterator_to(*this));
180 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
181 xbt_free(getCategory());
188 void StorageN11Action::cancel()
190 setState(Action::State::failed);
193 void StorageN11Action::suspend()
195 XBT_IN("(%p)", this);
196 if (suspended_ != 2) {
197 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
203 void StorageN11Action::resume()
208 bool StorageN11Action::isSuspended()
210 return suspended_ == 1;
213 void StorageN11Action::setMaxDuration(double /*duration*/)
218 void StorageN11Action::setSharingWeight(double /*priority*/)