X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a92d7b716f51a53dea7f59db8524d4add713b910..f4417e41e71fcf25feb676ae7ab0e00823d54add:/src/surf/storage_n11.cpp diff --git a/src/surf/storage_n11.cpp b/src/surf/storage_n11.cpp index 5cffd796e2..dd44583307 100644 --- a/src/surf/storage_n11.cpp +++ b/src/surf/storage_n11.cpp @@ -17,17 +17,13 @@ extern std::map 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::StorageImpl* storage = - static_cast(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 (not host_elm) - surf_parse_error("Unable to attach storage %s: host %s does not exist.", storage->cname(), storage->attach_); - } + for (auto 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("Unable to attach storage %s: host %s does not exist.", s.second->cname(), + s.second->getHost().c_str()); + else + s.second->piface_.attached_to_ = sg_host_by_name(s.second->getHost().c_str()); } } @@ -35,9 +31,6 @@ void storage_register_callbacks() { simgrid::s4u::onPlatformCreated.connect(check_disk_attachment); instr_routing_define_callbacks(); - - SURF_STORAGE_LEVEL = - xbt_lib_add_level(storage_lib, [](void* self) { delete static_cast(self); }); } /********* @@ -65,7 +58,6 @@ StorageImpl* StorageN11Model::createStorage(const char* id, const char* type_id, StorageImpl* storage = new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, (char*)content_name, storage_type->size, (char*)attach); - xbt_lib_set(storage_lib, id, SURF_STORAGE_LEVEL, storage); 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); @@ -77,68 +69,34 @@ StorageImpl* StorageN11Model::createStorage(const char* id, const char* type_id, 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) { - 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; StorageAction *action = static_cast(&*it); + double current_progress = lrint(lmm_variable_getvalue(action->getVariable()) * delta); + + action->updateRemains(current_progress); 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 = new sg_size_t; - *psize = action->file_->size; - std::map* content_dict = action->storage_->content_; - auto entry = content_dict->find(action->file_->name); - delete entry->second; - entry->second = psize; - } + action->storage_->usedSize_ += current_progress; + action->file_->incrPosition(current_progress); + action->file_->setSize(action->file_->tell()); - action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta); + action->storage_->getContent()->erase(action->file_->cname()); + action->storage_->getContent()->insert({action->file_->cname(), action->file_->size()}); + } 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->storage_->usedSize_ == action->storage_->getSize()) { action->finish(); action->setState(Action::State::failed); } else if (((action->getRemainsNoUpdate() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) || @@ -158,87 +116,17 @@ StorageN11::StorageN11(StorageModel* model, const char* name, lmm_system_t maxmi : 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) +StorageAction* StorageN11::read(sg_size_t size) { - XBT_DEBUG("\tOpen file '%s'",path); - - sg_size_t size; - sg_size_t* psize = nullptr; - // if file does not exist create an empty file - if (content_->find(path) != content_->end()) - size = *(content_->at(path)); - else { - psize = new sg_size_t; - size = 0; - *psize = size; - content_->insert({path, psize}); - 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::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); } /********** @@ -254,20 +142,11 @@ StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, Stora // 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 STAT: - break; case READ: lmm_expand(model->getMaxminSystem(), 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(); break; default: THROW_UNIMPLEMENTED; @@ -320,7 +199,7 @@ void StorageN11Action::setMaxDuration(double /*duration*/) THROW_UNIMPLEMENTED; } -void StorageN11Action::setPriority(double /*priority*/) +void StorageN11Action::setSharingWeight(double /*priority*/) { THROW_UNIMPLEMENTED; }