}
@Override
public MKDIR3Response mkdir(XDR xdr, RpcInfo info) {
MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
SecurityHandler securityHandler = getSecurityHandler(info);
DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
if (dfsClient == null) {
response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
return response;
}
MKDIR3Request request = null;
try {
request = new MKDIR3Request(xdr);
} catch (IOException e) {
LOG.error("Invalid MKDIR request");
return new MKDIR3Response(Nfs3Status.NFS3ERR_INVAL);
}
FileHandle dirHandle = request.getHandle();
String fileName = request.getName();
if (request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)) {
LOG.error("Setting file size is not supported when mkdir: " + fileName
+ " in dirHandle" + dirHandle);
return new MKDIR3Response(Nfs3Status.NFS3ERR_INVAL);
}
String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
Nfs3FileAttributes preOpDirAttr = null;
Nfs3FileAttributes postOpDirAttr = null;
Nfs3FileAttributes postOpObjAttr = null;
FileHandle objFileHandle = null;
try {
preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
if (preOpDirAttr == null) {
LOG.info("Can't get path for dir fileId:" + dirHandle.getFileId());
return new MKDIR3Response(Nfs3Status.NFS3ERR_STALE);
}
if (!checkAccessPrivilege(info, AccessPrivilege.READ_WRITE)) {
return new MKDIR3Response(Nfs3Status.NFS3ERR_ACCES, null, preOpDirAttr,
new WccData(Nfs3Utils.getWccAttr(preOpDirAttr), preOpDirAttr));
}
final String fileIdPath = dirFileIdPath + "/" + fileName;
SetAttr3 setAttr3 = request.getObjAttr();
FsPermission permission = setAttr3.getUpdateFields().contains(
SetAttrField.MODE) ? new FsPermission((short) setAttr3.getMode())
: FsPermission.getDefault().applyUMask(umask);
if (!dfsClient.mkdirs(fileIdPath, permission, false)) {
WccData dirWcc = Nfs3Utils.createWccData(
Nfs3Utils.getWccAttr(preOpDirAttr), dfsClient, dirFileIdPath, iug);
return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, null, null, dirWcc);
}
// Set group if it's not specified in the request.
if (!setAttr3.getUpdateFields().contains(SetAttrField.GID)) {
setAttr3.getUpdateFields().add(SetAttrField.GID);
setAttr3.setGid(securityHandler.getGid());
}
setattrInternal(dfsClient, fileIdPath, setAttr3, false);
postOpObjAttr = Nfs3Utils.getFileAttr(dfsClient, fileIdPath, iug);
objFileHandle = new FileHandle(postOpObjAttr.getFileId());