std::string path;
XBT_DEBUG("Search for storage name for '%s' on '%s'", fullpath.c_str(), host->getCname());
- for (auto mnt : host->getMountedStorages()) {
+ for (auto const& mnt : host->getMountedStorages()) {
XBT_DEBUG("See '%s'", mnt.first.c_str());
mount_point = fullpath.substr(0, mnt.first.length());
pimpl_ =
simgrid::simix::kernelImmediate([this, st, path] { return new simgrid::surf::FileImpl(st, path, mount_point); });
- storage_type = st->getType();
- storageId = st->getName();
+ onStorage = st;
}
File::~File()
sg_size_t File::read(sg_size_t size)
{
- return simcall_file_read(pimpl_, size);
+ XBT_DEBUG("READ %s on disk '%s'", getPath(), onStorage->getCname());
+ // if the current position is close to the end of the file, we may not be able to read the requested size
+ sg_size_t read_size = onStorage->read(std::min(size, this->size() - this->tell()));
+ pimpl_->incrPosition(read_size);
+ return read_size;
}
sg_size_t File::write(sg_size_t size)
{
- return simcall_file_write(pimpl_, size);
+ XBT_DEBUG("WRITE %s on disk '%s'. size '%llu/%llu'", getPath(), onStorage->getCname(), size, this->size());
+ // If the storage is full before even starting to write
+ if (onStorage->getSizeUsed() >= onStorage->getSize())
+ return 0;
+ /* Substract the part of the file that might disappear from the used sized on the storage element */
+ onStorage->decrUsedSize(this->size() - this->tell());
+
+ sg_size_t write_size = onStorage->write(size);
+ pimpl_->incrPosition(write_size);
+ pimpl_->setSize(this->tell());
+
+ onStorage->getContent()->erase(pimpl_->getName());
+ onStorage->getContent()->insert({pimpl_->getName(), this->size()});
+
+ return write_size;
}
sg_size_t File::size()