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->getCname() + ": host " +
24 s.second->getHost() + " does not exist.");
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 for (auto it = std::begin(*getRunningActionSet()); it != std::end(*getRunningActionSet());) {
79 StorageAction& action = static_cast<StorageAction&>(*it);
80 ++it; // increment iterator here since the following calls to action.finish() may invalidate it
81 double current_progress = lrint(lmm_variable_getvalue(action.getVariable()) * delta);
82 action.updateRemains(current_progress);
83 if (action.type_ == WRITE) {
84 action.storage_->usedSize_ += current_progress;
87 if (action.getMaxDuration() > NO_MAX_DURATION)
88 action.updateMaxDuration(delta);
90 if (action.getRemainsNoUpdate() > 0 && lmm_get_variable_weight(action.getVariable()) > 0 &&
91 action.storage_->usedSize_ == action.storage_->getSize()) {
92 action.finish(Action::State::failed);
93 } else if (((action.getRemainsNoUpdate() <= 0) && (lmm_get_variable_weight(action.getVariable()) > 0)) ||
94 ((action.getMaxDuration() > NO_MAX_DURATION) && (action.getMaxDuration() <= 0))) {
95 action.finish(Action::State::done);
104 StorageN11::StorageN11(StorageModel* model, std::string name, lmm_system_t maxminSystem, double bread, double bwrite,
105 std::string type_id, std::string content_name, sg_size_t size, std::string attach)
106 : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
108 XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
109 simgrid::s4u::Storage::onCreation(this->piface_);
112 StorageAction* StorageN11::read(sg_size_t size)
114 return new StorageN11Action(model(), size, isOff(), this, READ);
117 StorageAction* StorageN11::write(sg_size_t size)
119 return new StorageN11Action(model(), size, isOff(), this, WRITE);
126 StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage,
127 e_surf_action_storage_type_t type)
128 : StorageAction(model, cost, failed, lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0, 3), storage, type)
130 XBT_IN("(%s,%g", storage->getCname(), cost);
132 // Must be less than the max bandwidth for all actions
133 lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
136 lmm_expand(model->getMaxminSystem(), storage->constraintRead_, getVariable(), 1.0);
139 lmm_expand(model->getMaxminSystem(), storage->constraintWrite_, getVariable(), 1.0);
147 int StorageN11Action::unref()
151 if (action_hook.is_linked())
152 stateSet_->erase(stateSet_->iterator_to(*this));
154 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
155 xbt_free(getCategory());
162 void StorageN11Action::cancel()
164 setState(Action::State::failed);
167 void StorageN11Action::suspend()
169 XBT_IN("(%p)", this);
170 if (suspended_ != 2) {
171 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
177 void StorageN11Action::resume()
182 bool StorageN11Action::isSuspended()
184 return suspended_ == 1;
187 void StorageN11Action::setMaxDuration(double /*duration*/)
192 void StorageN11Action::setSharingWeight(double /*priority*/)