+Action* FileImpl::read(sg_size_t size)
+{
+ XBT_DEBUG("READ %s on disk '%s'", cname(), location_->cname());
+ if (current_position_ + size > size_) {
+ if (current_position_ > size_) {
+ size = 0;
+ } else {
+ size = size_ - current_position_;
+ }
+ current_position_ = size_;
+ } else
+ current_position_ += size;
+
+ return location_->read(size);
+}
+
+Action* FileImpl::write(sg_size_t size)
+{
+ XBT_DEBUG("WRITE %s on disk '%s'. size '%llu/%llu'", cname(), location_->cname(), size, size_);
+
+ StorageAction* action = location_->write(size);
+ action->file_ = this;
+ /* Substract the part of the file that might disappear from the used sized on the storage element */
+ location_->usedSize_ -= (size_ - current_position_);
+ // If the storage is full before even starting to write
+ if (location_->usedSize_ >= location_->getSize()) {
+ action->setState(Action::State::failed);
+ }
+ return action;
+}
+