-/* Copyright (c) 2013-2015. The SimGrid Team.
- * All rights reserved. */
+/* 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 "surf_private.h"
-#include <math.h> /*ceil*/
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
+#include "simgrid/s4u/Engine.hpp"
+#include "src/kernel/routing/NetPoint.hpp"
+#include <cmath> /*ceil*/
-static int storage_selective_update = 0;
-static xbt_swag_t storage_running_action_set_that_does_not_need_being_checked = nullptr;
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
/*************
* CallBacks *
*************/
+extern std::map<std::string, simgrid::surf::StorageType*> storage_types;
-static inline void routing_storage_type_free(void *r)
-{
- storage_type_t stype = (storage_type_t) r;
- free(stype->model);
- free(stype->type_id);
- free(stype->content);
- free(stype->content_type);
- xbt_dict_free(&(stype->properties));
- xbt_dict_free(&(stype->model_properties));
- free(stype);
-}
-
-static inline void surf_storage_resource_free(void *r)
-{
- // specific to storage
- simgrid::surf::Storage *storage = static_cast<simgrid::surf::Storage*>(r);
- // generic resource
- delete storage;
-}
-
-static inline void routing_storage_host_free(void *r)
+static void check_disk_attachment()
{
- xbt_dynar_t dyn = (xbt_dynar_t) r;
- xbt_dynar_free(&dyn);
+ for (auto const& s : *simgrid::surf::StorageImpl::storagesMap()) {
+ simgrid::kernel::routing::NetPoint* host_elm = sg_netpoint_by_name_or_null(s.second->getHost().c_str());
+ if (not host_elm)
+ surf_parse_error(std::string("Unable to attach storage ") + s.second->cname() + ": host " + s.second->getHost() +
+ " does not exist.");
+ else
+ s.second->piface_.attached_to_ = sg_host_by_name(s.second->getHost().c_str());
+ }
}
void storage_register_callbacks()
{
- ROUTING_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, xbt_free_f);
- ROUTING_STORAGE_HOST_LEVEL = xbt_lib_add_level(storage_lib, routing_storage_host_free);
- ROUTING_STORAGE_TYPE_LEVEL = xbt_lib_add_level(storage_type_lib, routing_storage_type_free);
- SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, surf_storage_resource_free);
+ simgrid::s4u::onPlatformCreated.connect(check_disk_attachment);
+ instr_routing_define_callbacks();
}
/*********
namespace simgrid {
namespace surf {
-StorageN11Model::StorageN11Model() : StorageModel() {
- Action *action = nullptr;
-
- XBT_DEBUG("surf_storage_model_init_internal");
-
- storage_running_action_set_that_does_not_need_being_checked = xbt_swag_new(xbt_swag_offset(*action, stateHookup_));
- if (!maxminSystem_) {
- maxminSystem_ = lmm_system_new(storage_selective_update);
- }
-}
-
-StorageN11Model::~StorageN11Model(){
- xbt_swag_free(storage_running_action_set_that_does_not_need_being_checked);
- storage_running_action_set_that_does_not_need_being_checked = nullptr;
-}
-
-#include "src/surf/xml/platf.hpp" // FIXME: move that back to the parsing area
-Storage *StorageN11Model::createStorage(const char* id, const char* type_id,
- const char* content_name, const char* content_type, xbt_dict_t properties, const char* attach)
+StorageImpl* StorageN11Model::createStorage(std::string id, std::string type_id, std::string content_name,
+ std::string attach)
{
+ StorageType* storage_type = storage_types.at(type_id);
- xbt_assert(!surf_storage_resource_priv(surf_storage_resource_by_name(id)),
- "Storage '%s' declared several times in the platform file", id);
-
- storage_type_t storage_type = (storage_type_t) xbt_lib_get_or_null(storage_type_lib, type_id,ROUTING_STORAGE_TYPE_LEVEL);
-
- double Bread = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bread"),
- "property Bread, storage",type_id);
- double Bwrite = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bwrite"),
- "property Bwrite, storage",type_id);
- double Bconnection = surf_parse_get_bandwidth((char*)xbt_dict_get(storage_type->model_properties, "Bconnection"),
- "property Bconnection, storage",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());
- Storage *storage = new StorageN11(this, id, properties, maxminSystem_,
- Bread, Bwrite, Bconnection, type_id, (char *)content_name,
- content_type, storage_type->size, (char *) attach);
+ StorageImpl* storage =
+ new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, content_name, storage_type->size, attach);
storageCreatedCallbacks(storage);
- xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage);
- XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tproperties '%p'\n\t\tBread '%f'\n",
- id, type_id, properties, Bread);
+ 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;
}
-double StorageN11Model::next_occuring_event(double /*now*/)
+double StorageN11Model::nextOccuringEvent(double now)
{
- XBT_DEBUG("storage_share_resources");
-
- double min_completion = shareResourcesMaxMin(getRunningActionSet(), maxminSystem_, lmm_solve);
-
- double rate;
- // Foreach disk
- for(auto storage: p_storageList) {
- rate = 0;
- // Foreach write action on disk
- for (auto write_action: storage->p_writeActions) {
- rate += lmm_variable_getvalue(write_action->getVariable());
- }
- if(rate > 0)
- min_completion = MIN(min_completion, (storage->m_size-storage->m_usedSize)/rate);
- }
-
- return min_completion;
+ return StorageModel::nextOccuringEventFull(now);
}
void StorageN11Model::updateActionsState(double /*now*/, double delta)
{
- StorageAction *action = nullptr;
-
ActionList *actionSet = getRunningActionSet();
- for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
- ; it != itend ; it=itNext) {
+ for (ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end()); it != itend; it = itNext) {
++itNext;
- action = static_cast<StorageAction*>(&*it);
-
- if(action->m_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->p_file->name,
- 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->p_storage->m_usedSize += incr; // disk usage
- action->p_file->current_position+= incr; // current_position
- // which becomes the new file size
- action->p_file->size = action->p_file->current_position ;
-
- sg_size_t *psize = xbt_new(sg_size_t,1);
- *psize = action->p_file->size;
- xbt_dict_t content_dict = action->p_storage->p_content;
- xbt_dict_set(content_dict, action->p_file->name, psize, nullptr);
- }
- action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
+ 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()});
+ }
- if (action->getMaxDuration() != NO_MAX_DURATION)
+ if (action->getMaxDuration() > NO_MAX_DURATION)
action->updateMaxDuration(delta);
- if(action->getRemainsNoUpdate() > 0 && lmm_get_variable_weight(action->getVariable()) > 0 &&
- action->p_storage->m_usedSize == action->p_storage->m_size) {
- action->finish();
- action->setState(Action::State::failed);
- } else if ((action->getRemainsNoUpdate() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) {
- action->finish();
- action->setState(Action::State::done);
- } else if ((action->getMaxDuration() != NO_MAX_DURATION) && (action->getMaxDuration() <= 0)) {
- action->finish();
- action->setState(Action::State::done);
+ if (action->getRemainsNoUpdate() > 0 && lmm_get_variable_weight(action->getVariable()) > 0 &&
+ action->storage_->usedSize_ == action->storage_->getSize()) {
+ action->finish(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::State::done);
}
}
- return;
}
/************
* Resource *
************/
-StorageN11::StorageN11(StorageModel *model, const char* name,
- xbt_dict_t properties, lmm_system_t maxminSystem, double bread,
- double bwrite, double bconnection, const char* type_id, char *content_name,
- const char *content_type, sg_size_t size, char *attach)
-: Storage(model, name, properties,
- maxminSystem, bread, bwrite, bconnection, type_id, content_name, content_type, size, attach) {
- XBT_DEBUG("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
-}
-
-StorageAction *StorageN11::open(const char* mount, const char* path)
+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)
+ : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
{
- XBT_DEBUG("\tOpen file '%s'",path);
-
- sg_size_t size, *psize;
- psize = (sg_size_t*) xbt_dict_get_or_null(p_content, path);
- // if file does not exist create an empty file
- if(psize)
- size = *psize;
- else {
- psize = xbt_new(sg_size_t,1);
- size = 0;
- *psize = size;
- xbt_dict_set(p_content, path, psize, nullptr);
- XBT_DEBUG("File '%s' was not found, file created.",path);
- }
- surf_file_t file = xbt_new0(s_surf_file_t,1);
- file->name = xbt_strdup(path);
- file->size = size;
- file->mount = xbt_strdup(mount);
- file->current_position = 0;
-
- StorageAction *action = new StorageN11Action(getModel(), 0, isOff(), this, OPEN);
- action->p_file = file;
-
- return action;
+ XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
+ simgrid::s4u::Storage::onCreation(this->piface_);
}
-StorageAction *StorageN11::close(surf_file_t fd)
+StorageAction* StorageN11::read(sg_size_t size)
{
- XBT_DEBUG("\tClose file '%s' size '%llu'", fd->name, fd->size);
- // unref write actions from storage
- for (std::vector<StorageAction*>::const_iterator it = p_writeActions.cbegin(); it != p_writeActions.cend();) {
- StorageAction *write_action = *it;
- if ((write_action->p_file) == fd) {
- write_action->unref();
- it = p_writeActions.erase(it);
- } else {
- ++it;
- }
- }
- free(fd->name);
- free(fd->mount);
- xbt_free(fd);
- StorageAction *action = new StorageN11Action(getModel(), 0, isOff(), this, CLOSE);
- return action;
+ return new StorageN11Action(model(), size, isOff(), this, READ);
}
-StorageAction *StorageN11::read(surf_file_t fd, sg_size_t size)
+StorageAction* StorageN11::write(sg_size_t size)
{
- if(fd->current_position + size > fd->size){
- if (fd->current_position > fd->size){
- size = 0;
- } else {
- size = fd->size - fd->current_position;
- }
- fd->current_position = fd->size;
- }
- else
- fd->current_position += size;
-
- StorageAction *action = new StorageN11Action(getModel(), size, isOff(), this, READ);
- return action;
-}
-
-StorageAction *StorageN11::write(surf_file_t fd, sg_size_t size)
-{
- char *filename = fd->name;
- XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'",filename,size,fd->size);
-
- StorageAction *action = new StorageN11Action(getModel(), size, isOff(), this, WRITE);
- action->p_file = fd;
- /* Substract the part of the file that might disappear from the used sized on the storage element */
- m_usedSize -= (fd->size - fd->current_position);
- // If the storage is full before even starting to write
- if(m_usedSize==m_size) {
- action->setState(Action::State::failed);
- }
- return action;
+ return new StorageN11Action(model(), size, isOff(), this, WRITE);
}
/**********
* Action *
**********/
-StorageN11Action::StorageN11Action(Model *model, double cost, bool failed, Storage *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->getName(), cost);
+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->getConstraint(), getVariable(), 1.0);
+ lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
switch(type) {
- case OPEN:
- case CLOSE:
- case STAT:
- break;
case READ:
- lmm_expand(model->getMaxminSystem(), storage->p_constraintRead, getVariable(), 1.0);
+ lmm_expand(model->getMaxminSystem(), storage->constraintRead_, getVariable(), 1.0);
break;
case WRITE:
- lmm_expand(model->getMaxminSystem(), storage->p_constraintWrite, getVariable(), 1.0);
-
- //TODO there is something annoying with what's below. Have to sort it out...
- // Action *action = this;
- // storage->p_writeActions->push_back(action);
- // ref();
+ lmm_expand(model->getMaxminSystem(), storage->constraintWrite_, getVariable(), 1.0);
break;
+ default:
+ THROW_UNIMPLEMENTED;
}
XBT_OUT();
}
int StorageN11Action::unref()
{
refcount_--;
- if (!refcount_) {
+ if (not refcount_) {
if (action_hook.is_linked())
stateSet_->erase(stateSet_->iterator_to(*this));
if (getVariable())
void StorageN11Action::cancel()
{
setState(Action::State::failed);
- return;
}
void StorageN11Action::suspend()
THROW_UNIMPLEMENTED;
}
-void StorageN11Action::setPriority(double /*priority*/)
+void StorageN11Action::setSharingWeight(double /*priority*/)
{
THROW_UNIMPLEMENTED;
}