-/* 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 "simgrid/s4u/engine.hpp"
+#include "simgrid/s4u/Engine.hpp"
+#include "src/kernel/lmm/maxmin.hpp"
#include "src/kernel/routing/NetPoint.hpp"
-#include "surf_private.h"
-#include <math.h> /*ceil*/
+#include "xbt/utility.hpp"
+#include <cmath> /*ceil*/
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
/*************
* CallBacks *
*************/
-
-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 routing_storage_host_free(void *r)
-{
- xbt_dynar_t dyn = (xbt_dynar_t) r;
- xbt_dynar_free(&dyn);
-}
+extern std::map<std::string, simgrid::surf::StorageType*> storage_types;
static void check_disk_attachment()
{
- xbt_lib_cursor_t cursor;
- char* key;
- void** data;
- xbt_lib_foreach(storage_lib, cursor, key, data) {
- if (xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), SURF_STORAGE_LEVEL) != nullptr) {
- simgrid::surf::Storage* storage =
- static_cast<simgrid::surf::Storage*>(xbt_lib_get_or_null(storage_lib, key, SURF_STORAGE_LEVEL));
- simgrid::kernel::routing::NetPoint* host_elm = sg_netpoint_by_name_or_null(storage->attach_);
- if (!host_elm)
- surf_parse_error("Unable to attach storage %s: host %s does not exist.", storage->cname(), storage->attach_);
- }
+ 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->getCname() + ": host " +
+ s.second->getHost() + " does not exist.");
+ else
+ s.second->piface_.attached_to_ = sg_host_by_name(s.second->getHost().c_str());
}
}
{
simgrid::s4u::onPlatformCreated.connect(check_disk_attachment);
instr_routing_define_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, [](void *self) {
- delete static_cast<simgrid::surf::Storage*>(self);
- });
}
/*********
namespace simgrid {
namespace surf {
-Storage* StorageN11Model::createStorage(const char* id, const char* type_id, const char* content_name,
- const char* content_type, 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(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());
- 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);
-
- Storage* storage = new StorageN11(this, id, 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\tBread '%f'\n", id, type_id, 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);
double StorageN11Model::nextOccuringEvent(double now)
{
- double min_completion = StorageModel::nextOccuringEventFull(now);
-
- for(auto storage: p_storageList) {
- double rate = 0;
- // Foreach write action on that disk
- for (auto write_action: storage->writeActions_) {
- rate += lmm_variable_getvalue(write_action->getVariable());
- }
- if(rate > 0)
- min_completion = MIN(min_completion, (storage->size_-storage->usedSize_)/rate);
- }
-
- return min_completion;
+ return StorageModel::nextOccuringEventFull(now);
}
void StorageN11Model::updateActionsState(double /*now*/, double delta)
{
+ for (auto it = std::begin(*getRunningActionSet()); it != std::end(*getRunningActionSet());) {
+ StorageAction& action = static_cast<StorageAction&>(*it);
+ ++it; // increment iterator here since the following calls to action.finish() may invalidate it
+ action.updateRemains(lrint(action.getVariable()->get_value() * 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_->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->storage_->usedSize_ += incr; // disk usage
- action->file_->current_position += incr; // current_position
- // which becomes the new file size
- action->file_->size = action->file_->current_position;
-
- sg_size_t *psize = xbt_new(sg_size_t,1);
- *psize = action->file_->size;
- xbt_dict_t content_dict = action->storage_->content_;
- xbt_dict_set(content_dict, action->file_->name, psize, nullptr);
- }
-
- action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
-
- if (action->getMaxDuration() > NO_MAX_DURATION)
- action->updateMaxDuration(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);
+ if (((action.getRemainsNoUpdate() <= 0) && (action.getVariable()->get_weight() > 0)) ||
+ ((action.getMaxDuration() > NO_MAX_DURATION) && (action.getMaxDuration() <= 0))) {
+ action.finish(Action::State::done);
}
}
}
* Resource *
************/
-StorageN11::StorageN11(StorageModel* model, const char* name, 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, maxminSystem, bread, bwrite, bconnection, type_id, content_name, content_type, size, attach)
+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("Create resource with Bconnection '%f' Bread '%f' Bwrite '%f' and Size '%llu'", bconnection, bread, bwrite, size);
+ 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)
+StorageAction* StorageN11::read(sg_size_t size)
{
- XBT_DEBUG("\tOpen file '%s'",path);
-
- sg_size_t size;
- sg_size_t* psize = (sg_size_t*)xbt_dict_get_or_null(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(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(model(), 0, isOff(), this, OPEN);
- action->file_ = file;
-
- return action;
+ return new StorageN11Action(model(), size, isOff(), this, READ);
}
-StorageAction *StorageN11::close(surf_file_t fd)
+StorageAction* StorageN11::write(sg_size_t size)
{
- XBT_DEBUG("\tClose file '%s' size '%llu'", fd->name, fd->size);
- // unref write actions from storage
- for (std::vector<StorageAction*>::iterator it = writeActions_.begin(); it != writeActions_.end();) {
- StorageAction *write_action = *it;
- if ((write_action->file_) == fd) {
- write_action->unref();
- it = writeActions_.erase(it);
- } else {
- ++it;
- }
- }
- free(fd->name);
- free(fd->mount);
- xbt_free(fd);
- StorageAction* action = new StorageN11Action(model(), 0, isOff(), this, CLOSE);
- return action;
-}
-
-StorageAction *StorageN11::read(surf_file_t fd, 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(model(), 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(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->current_position);
- // If the storage is full before even starting to write
- if(usedSize_==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->cname(), cost);
+StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, StorageImpl* storage,
+ e_surf_action_storage_type_t type)
+ : StorageAction(model, cost, failed, model->getMaxminSystem()->variable_new(this, 1.0, -1.0, 3), storage, type)
+{
+ XBT_IN("(%s,%g", storage->getCname(), cost);
// Must be less than the max bandwidth for all actions
- lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
+ model->getMaxminSystem()->expand(storage->constraint(), getVariable(), 1.0);
switch(type) {
- case OPEN:
- case CLOSE:
- case STAT:
- break;
case READ:
- lmm_expand(model->getMaxminSystem(), storage->constraintRead_, getVariable(), 1.0);
+ model->getMaxminSystem()->expand(storage->constraintRead_, getVariable(), 1.0);
break;
case WRITE:
- lmm_expand(model->getMaxminSystem(), storage->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();
+ model->getMaxminSystem()->expand(storage->constraintWrite_, getVariable(), 1.0);
break;
default:
THROW_UNIMPLEMENTED;
int StorageN11Action::unref()
{
refcount_--;
- if (!refcount_) {
+ if (not refcount_) {
if (action_hook.is_linked())
- stateSet_->erase(stateSet_->iterator_to(*this));
+ simgrid::xbt::intrusive_erase(*stateSet_, *this);
if (getVariable())
- lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
+ getModel()->getMaxminSystem()->variable_free(getVariable());
xbt_free(getCategory());
delete this;
return 1;
{
XBT_IN("(%p)", this);
if (suspended_ != 2) {
- lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
+ getModel()->getMaxminSystem()->update_variable_weight(getVariable(), 0.0);
suspended_ = 1;
}
XBT_OUT();
THROW_UNIMPLEMENTED;
}
-void StorageN11Action::setPriority(double /*priority*/)
+void StorageN11Action::setSharingWeight(double /*priority*/)
{
THROW_UNIMPLEMENTED;
}