void register() throws IOException {
nsInfo = nameNodeProto.versionRequest();
dnRegistration = new DatanodeRegistration(
new DatanodeID(DNS.getDefaultIP("default"),
DNS.getDefaultHost("default", "default"),
DataNode.generateUuid(), getNodePort(dnIdx),
DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
DFSConfigKeys.DFS_DATANODE_HTTPS_DEFAULT_PORT,
DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
new DataStorage(nsInfo),
new ExportedBlockKeys(), VersionInfo.getVersion());
dnRegistration = dataNodeProto.registerDatanode(dnRegistration);
dnRegistration.setNamespaceInfo(nsInfo);
storage = new DatanodeStorage(DatanodeStorage.generateUuid());
final StorageBlockReport[] reports = {
new StorageBlockReport(storage, BlockListAsLongs.EMPTY)
};
dataNodeProto.blockReport(dnRegistration, bpid, reports,
new BlockReportContext(1, 0, System.nanoTime()));
}