Function do_set_bytes

src/tools/ceph_objectstore_tool.cc:2523–2567

}

int do_set_bytes(ObjectStore *store, coll_t coll,
		 ghobject_t &ghobj, int fd)
{
  ObjectStore::Transaction tran;
  ObjectStore::Transaction *t = &tran;

  if (debug)
    cerr << "Write " << ghobj << std::endl;

  if (!dry_run) {
    t->touch(coll, ghobj);
    t->truncate(coll, ghobj, 0);
  }

  uint64_t offset = 0;
  bufferlist rawdatabl;
  do {
    rawdatabl.clear();
    ssize_t bytes = rawdatabl.read_fd(fd, max_read);
    if (bytes < 0) {
      cerr << "read_fd error " << cpp_strerror(bytes) << std::endl;
      return bytes;
    }

    if (bytes == 0)
      break;

    if (debug)
      cerr << "\tdata: offset " << offset << " bytes " << bytes << std::endl;
    if (!dry_run)
      t->write(coll, ghobj, offset, bytes,  rawdatabl);

    offset += bytes;
    // XXX: Should we queue_transaction() every once in a while for very large files
  } while(true);

  auto ch = store->open_collection(coll);
  if (!ch) {
    cerr << "Collection " << coll << " does not exist" << std::endl;
    return -ENOENT;
  }
  if (!dry_run)
    store->queue_transaction(ch, std::move(*t));
  return 0;
}

int do_get_attr(ObjectStore *store, coll_t coll, ghobject_t &ghobj, string key)
{