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[simgrid.git] / src / surf / storage_n11.cpp
index 5131db9..6518688 100644 (file)
-/* Copyright (c) 2013-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2013-2019. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "storage_n11.hpp"
+#include "simgrid/kernel/routing/NetPoint.hpp"
 #include "simgrid/s4u/Engine.hpp"
-#include "src/kernel/routing/NetPoint.hpp"
-#include <math.h> /*ceil*/
+#include "simgrid/s4u/Host.hpp"
+#include "src/kernel/lmm/maxmin.hpp"
+#include "src/surf/xml/platf.hpp"
+#include "surf/surf.hpp"
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
 
 /*************
  * CallBacks *
  *************/
-extern std::map<std::string, storage_type_t> storage_types;
+extern std::map<std::string, simgrid::kernel::resource::StorageType*> storage_types;
 
-static void check_disk_attachment()
+void check_disk_attachment()
 {
-  for (auto s : *simgrid::surf::StorageImpl::storagesMap()) {
-    simgrid::kernel::routing::NetPoint* host_elm = sg_netpoint_by_name_or_null(s.second->getHost().c_str());
+  for (auto const& s : simgrid::s4u::Engine::get_instance()->get_all_storages()) {
+    simgrid::kernel::routing::NetPoint* host_elm =
+        simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(s->get_impl()->get_host());
     if (not host_elm)
-      surf_parse_error("Unable to attach storage %s: host %s does not exist.", s.second->cname(),
-                       s.second->getHost().c_str());
+      surf_parse_error(std::string("Unable to attach storage ") + s->get_cname() + ": host " +
+                       s->get_impl()->get_host() + " does not exist.");
     else
-      s.second->piface_.attached_to_ = sg_host_by_name(s.second->getHost().c_str());
+      s->set_host(simgrid::s4u::Host::by_name(s->get_impl()->get_host()));
   }
 }
 
-void storage_register_callbacks()
-{
-  simgrid::s4u::onPlatformCreated.connect(check_disk_attachment);
-  instr_routing_define_callbacks();
-}
-
 /*********
  * Model *
  *********/
 
 void surf_storage_model_init_default()
 {
-  surf_storage_model = new simgrid::surf::StorageN11Model();
-  all_existing_models->push_back(surf_storage_model);
+  surf_storage_model = new simgrid::kernel::resource::StorageN11Model();
 }
 
 namespace simgrid {
-namespace surf {
+namespace kernel {
+namespace resource {
 
-StorageImpl* StorageN11Model::createStorage(std::string id, std::string type_id, std::string content_name,
-                                            std::string attach)
+StorageN11Model::StorageN11Model()
 {
-  storage_type_t storage_type = storage_types.at(type_id);
+  all_existing_models.push_back(this);
+}
+
+StorageImpl* StorageN11Model::createStorage(const std::string& id, const std::string& type_id,
+                                            const std::string& content_name, const std::string& attach)
+{
+  StorageType* storage_type = storage_types.at(type_id);
 
   double Bread = surf_parse_get_bandwidth(storage_type->model_properties->at("Bread").c_str(),
                                           "property Bread, storage", type_id.c_str());
   double Bwrite = surf_parse_get_bandwidth(storage_type->model_properties->at("Bwrite").c_str(),
                                            "property Bwrite, storage", type_id.c_str());
 
-  StorageImpl* storage =
-      new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, content_name, storage_type->size, attach);
-  storageCreatedCallbacks(storage);
-
   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(),
             Bread);
 
-  p_storageList.push_back(storage);
-
-  return storage;
+  return new StorageN11(this, id, get_maxmin_system(), Bread, Bwrite, type_id, content_name, storage_type->size,
+                        attach);
 }
 
-double StorageN11Model::nextOccuringEvent(double now)
+double StorageN11Model::next_occuring_event(double now)
 {
-  return StorageModel::nextOccuringEventFull(now);
+  return StorageModel::next_occuring_event_full(now);
 }
 
-void StorageN11Model::updateActionsState(double /*now*/, double delta)
+void StorageN11Model::update_actions_state(double /*now*/, double delta)
 {
-  ActionList *actionSet = getRunningActionSet();
-  for (ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end()); it != itend; it = itNext) {
-    ++itNext;
-
-    StorageAction *action = static_cast<StorageAction*>(&*it);
-
-    double current_progress = lrint(lmm_variable_getvalue(action->getVariable()) * delta);
-
-    action->updateRemains(current_progress);
-    if (action->type_ == WRITE) {
-      action->storage_->usedSize_ += current_progress;
-      action->file_->incrPosition(current_progress);
-      action->file_->setSize(action->file_->tell());
-
-      action->storage_->getContent()->erase(action->file_->cname());
-      action->storage_->getContent()->insert({action->file_->cname(), action->file_->size()});
-    }
+  for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
+    StorageAction& action = static_cast<StorageAction&>(*it);
+    ++it; // increment iterator here since the following calls to action.finish() may invalidate it
+    action.update_remains(lrint(action.get_variable()->get_value() * delta));
+    action.update_max_duration(delta);
 
-    if (action->getMaxDuration() > NO_MAX_DURATION)
-      action->updateMaxDuration(delta);
-
-    if (action->getRemainsNoUpdate() > 0 && lmm_get_variable_weight(action->getVariable()) > 0 &&
-        action->storage_->usedSize_ == action->storage_->getSize()) {
-      action->finish();
-      action->setState(Action::State::failed);
-    } else if (((action->getRemainsNoUpdate() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) ||
-               ((action->getMaxDuration() > NO_MAX_DURATION) && (action->getMaxDuration() <= 0))) {
-      action->finish();
-      action->setState(Action::State::done);
+    if (((action.get_remains_no_update() <= 0) && (action.get_variable()->get_weight() > 0)) ||
+        ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
+      action.finish(Action::State::FINISHED);
     }
   }
 }
@@ -112,75 +90,65 @@ void StorageN11Model::updateActionsState(double /*now*/, double delta)
  * Resource *
  ************/
 
-StorageN11::StorageN11(StorageModel* model, std::string name, lmm_system_t maxminSystem, double bread, double bwrite,
-                       std::string type_id, std::string content_name, sg_size_t size, std::string attach)
+StorageN11::StorageN11(StorageModel* model, const std::string& name, lmm::System* maxminSystem, double bread,
+                       double bwrite, const std::string& type_id, const std::string& content_name, sg_size_t size,
+                       const std::string& attach)
     : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
 {
   XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
-  simgrid::s4u::Storage::onCreation(this->piface_);
+  s4u::Storage::on_creation(this->piface_);
+}
+
+StorageAction* StorageN11::io_start(sg_size_t size, s4u::Io::OpType type)
+{
+  return new StorageN11Action(get_model(), size, not is_on(), this, type);
 }
 
 StorageAction* StorageN11::read(sg_size_t size)
 {
-  return new StorageN11Action(model(), size, isOff(), this, READ);
+  return new StorageN11Action(get_model(), size, not is_on(), this, s4u::Io::OpType::READ);
 }
 
 StorageAction* StorageN11::write(sg_size_t size)
 {
-  return new StorageN11Action(model(), size, isOff(), this, WRITE);
+  return new StorageN11Action(get_model(), size, not is_on(), this, s4u::Io::OpType::WRITE);
 }
 
 /**********
  * Action *
  **********/
 
-StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage,
-                                   e_surf_action_storage_type_t type)
-    : StorageAction(model, cost, failed, lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0, 3), storage, type)
+StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage, s4u::Io::OpType type)
+    : StorageAction(model, cost, failed, model->get_maxmin_system()->variable_new(this, 1.0, -1.0, 3), storage, type)
 {
-  XBT_IN("(%s,%g", storage->cname(), cost);
+  XBT_IN("(%s,%g", storage->get_cname(), cost);
 
   // Must be less than the max bandwidth for all actions
-  lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
+  model->get_maxmin_system()->expand(storage->get_constraint(), get_variable(), 1.0);
   switch(type) {
-  case READ:
-    lmm_expand(model->getMaxminSystem(), storage->constraintRead_, getVariable(), 1.0);
-    break;
-  case WRITE:
-    lmm_expand(model->getMaxminSystem(), storage->constraintWrite_, getVariable(), 1.0);
-    break;
-  default:
-    THROW_UNIMPLEMENTED;
+    case s4u::Io::OpType::READ:
+      model->get_maxmin_system()->expand(storage->constraint_read_, get_variable(), 1.0);
+      break;
+    case s4u::Io::OpType::WRITE:
+      model->get_maxmin_system()->expand(storage->constraint_write_, get_variable(), 1.0);
+      break;
+    default:
+      THROW_UNIMPLEMENTED;
   }
   XBT_OUT();
 }
 
-int StorageN11Action::unref()
-{
-  refcount_--;
-  if (not refcount_) {
-    if (action_hook.is_linked())
-      stateSet_->erase(stateSet_->iterator_to(*this));
-    if (getVariable())
-      lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
-    xbt_free(getCategory());
-    delete this;
-    return 1;
-  }
-  return 0;
-}
-
 void StorageN11Action::cancel()
 {
-  setState(Action::State::failed);
+  set_state(Action::State::FAILED);
 }
 
 void StorageN11Action::suspend()
 {
   XBT_IN("(%p)", this);
-  if (suspended_ != 2) {
-    lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
-    suspended_ = 1;
+  if (is_running()) {
+    get_model()->get_maxmin_system()->update_variable_weight(get_variable(), 0.0);
+    set_suspend_state(Action::SuspendStates::SUSPENDED);
   }
   XBT_OUT();
 }
@@ -190,20 +158,19 @@ void StorageN11Action::resume()
   THROW_UNIMPLEMENTED;
 }
 
-bool StorageN11Action::isSuspended()
-{
-  return suspended_ == 1;
-}
-
-void StorageN11Action::setMaxDuration(double /*duration*/)
+void StorageN11Action::set_max_duration(double /*duration*/)
 {
   THROW_UNIMPLEMENTED;
 }
 
-void StorageN11Action::setSharingWeight(double /*priority*/)
+void StorageN11Action::set_priority(double /*priority*/)
 {
   THROW_UNIMPLEMENTED;
 }
-
-}
+void StorageN11Action::update_remains_lazy(double /*now*/)
+{
+  THROW_IMPOSSIBLE;
 }
+} // namespace resource
+} // namespace kernel
+} // namespace simgrid