+++ /dev/null
-/* Copyright (c) 2013-2017. 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/s4u/Engine.hpp"
-#include "src/kernel/routing/NetPoint.hpp"
-#include <math.h> /*ceil*/
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
-
-/*************
- * CallBacks *
- *************/
-extern std::map<std::string, storage_type_t> storage_types;
-
-static 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->attach_.c_str());
- if (not host_elm)
- surf_parse_error("Unable to attach storage %s: host %s does not exist.", s.second->cname(),
- s.second->attach_.c_str());
- else
- s.second->piface_.attached_to_ = sg_host_by_name(s.second->attach_.c_str());
- }
-}
-
-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);
-}
-
-namespace simgrid {
-namespace surf {
-
-StorageImpl* StorageN11Model::createStorage(const char* id, const char* type_id, const char* content_name,
- const char* attach)
-{
- storage_type_t 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);
- double Bwrite = surf_parse_get_bandwidth(storage_type->model_properties->at("Bwrite").c_str(),
- "property Bwrite, storage", type_id);
-
- StorageImpl* storage = new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, (char*)content_name,
- storage_type->size, (char*)attach);
- storageCreatedCallbacks(storage);
-
- XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tBread '%f'\n", id, type_id, Bread);
-
- p_storageList.push_back(storage);
-
- return storage;
-}
-
-double StorageN11Model::nextOccuringEvent(double now)
-{
- return StorageModel::nextOccuringEventFull(now);
-}
-
-void StorageN11Model::updateActionsState(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);
-
- if (action->type_ == WRITE) {
- // Update the disk usage
- // Update the file size
- // For each action of type write
- double current_progress = delta * lmm_variable_getvalue(action->getVariable());
- long int incr = current_progress;
-
- XBT_DEBUG("%s:\n\t progress = %.2f, current_progress = %.2f, incr = %ld, lrint(1) = %ld, lrint(2) = %ld",
- action->file_->cname(), action->progress_, current_progress, incr,
- lrint(action->progress_ + current_progress), lrint(action->progress_) + incr);
-
- /* take care of rounding error accumulation */
- if (lrint(action->progress_ + current_progress) > lrint(action->progress_) + incr)
- incr++;
-
- action->progress_ += current_progress;
-
- action->storage_->usedSize_ += incr; // disk usage
- action->file_->incrPosition(incr); // current_position
- // which becomes the new file size
- action->file_->setSize(action->file_->tell());
-
- action->storage_->content_->erase(action->file_->cname());
- action->storage_->content_->insert({action->file_->cname(), action->file_->size()});
- }
-
- action->updateRemains(lmm_variable_getvalue(action->getVariable()) * 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_->size_) {
- 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);
- }
- }
-}
-
-/************
- * Resource *
- ************/
-
-StorageN11::StorageN11(StorageModel* model, const char* name, lmm_system_t maxminSystem, double bread, double bwrite,
- const char* type_id, char* content_name, sg_size_t size, char* 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_);
-}
-
-StorageAction *StorageN11::open(const char* mount, const char* path)
-{
- XBT_DEBUG("\tOpen file '%s'",path);
-
- sg_size_t size;
- // if file does not exist create an empty file
- if (content_->find(path) != content_->end())
- size = content_->at(path);
- else {
- size = 0;
- content_->insert({path, size});
- XBT_DEBUG("File '%s' was not found, file created.",path);
- }
- FileImpl* file = new FileImpl(path, mount, size);
-
- StorageAction* action = new StorageN11Action(model(), 0, isOff(), this, OPEN);
- action->file_ = file;
-
- return action;
-}
-
-StorageAction *StorageN11::close(surf_file_t fd)
-{
- XBT_DEBUG("\tClose file '%s' size '%llu'", fd->cname(), fd->size());
- StorageAction* action = new StorageN11Action(model(), 0, isOff(), this, CLOSE);
- return action;
-}
-
-StorageAction *StorageN11::read(surf_file_t fd, sg_size_t size)
-{
- if (fd->tell() + size > fd->size()) {
- if (fd->tell() > fd->size()) {
- size = 0;
- } else {
- size = fd->size() - fd->tell();
- }
- fd->setPosition(fd->size());
- }
- else
- fd->incrPosition(size);
-
- StorageAction* action = new StorageN11Action(model(), size, isOff(), this, READ);
- return action;
-}
-
-StorageAction *StorageN11::write(surf_file_t fd, sg_size_t size)
-{
- XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'", fd->cname(), size, fd->size());
-
- StorageAction* action = new StorageN11Action(model(), size, isOff(), this, WRITE);
- action->file_ = fd;
- /* Substract the part of the file that might disappear from the used sized on the storage element */
- usedSize_ -= (fd->size() - fd->tell());
- // If the storage is full before even starting to write
- if(usedSize_==size_) {
- action->setState(Action::State::failed);
- }
- return action;
-}
-
-/**********
- * 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)
-{
- XBT_IN("(%s,%g", storage->cname(), cost);
-
- // Must be less than the max bandwidth for all actions
- lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
- switch(type) {
- case OPEN:
- case CLOSE:
- 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;
- }
- 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);
-}
-
-void StorageN11Action::suspend()
-{
- XBT_IN("(%p)", this);
- if (suspended_ != 2) {
- lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
- suspended_ = 1;
- }
- XBT_OUT();
-}
-
-void StorageN11Action::resume()
-{
- THROW_UNIMPLEMENTED;
-}
-
-bool StorageN11Action::isSuspended()
-{
- return suspended_ == 1;
-}
-
-void StorageN11Action::setMaxDuration(double /*duration*/)
-{
- THROW_UNIMPLEMENTED;
-}
-
-void StorageN11Action::setSharingWeight(double /*priority*/)
-{
- THROW_UNIMPLEMENTED;
-}
-
-}
-}