Function dump_data

src/tools/ceph_objectstore_tool.cc:1302–1332

}

int dump_data(Formatter *formatter, bufferlist &bl,
              const std::string &dump_data_path)
{
  auto ebliter = bl.cbegin();
  data_section ds;
  ds.decode(ebliter);

  formatter->open_object_section("data_block");
  formatter->dump_unsigned("offset", ds.offset);
  formatter->dump_unsigned("len", ds.len);
  if (!dump_data_path.empty()) {
    int fd = open(dump_data_path.c_str(), O_WRONLY|O_CREAT|O_LARGEFILE, 0666);
    if (fd == -1) {
      std::cerr << "open " << dump_data_path << " failed: "
                << cpp_strerror(errno) << std::endl;
    } else {
      int ret = ds.databl.write_fd(fd, ds.offset);
      if (ret < 0) {
        std::cerr << "write " << dump_data_path << " failed: "
                  << cpp_strerror(ret) << std::endl;
      } else {
        formatter->dump_string("file", dump_data_path);
      }
      close(fd);
    }
  }

  formatter->close_section();
  formatter->flush(cout);
  return 0;
}

int get_data(ObjectStore *store, coll_t coll, ghobject_t hoid,
    ObjectStore::Transaction *t, bufferlist &bl)