}
@Override
public LOOKUP3Response lookup(XDR xdr,
SecurityHandler securityHandler, InetAddress client) {
LOOKUP3Response response = new LOOKUP3Response(Nfs3Status.NFS3_OK);
if (!checkAccessPrivilege(client, AccessPrivilege.READ_ONLY)) {
response.setStatus(Nfs3Status.NFS3ERR_ACCES);
return response;
}
DFSClient dfsClient = clientCache.get(securityHandler.getUser());
if (dfsClient == null) {
response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
return response;
}
LOOKUP3Request request = null;
try {
request = new LOOKUP3Request(xdr);
} catch (IOException e) {
LOG.error("Invalid LOOKUP request");
return new LOOKUP3Response(Nfs3Status.NFS3ERR_INVAL);
}
FileHandle dirHandle = request.getHandle();
String fileName = request.getName();
if (LOG.isDebugEnabled()) {
LOG.debug("NFS LOOKUP dir fileId: " + dirHandle.getFileId() + " name: "
+ fileName);
}
try {
String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
Nfs3FileAttributes postOpObjAttr = writeManager.getFileAttr(dfsClient,
dirHandle, fileName);
if (postOpObjAttr == null) {
if (LOG.isDebugEnabled()) {
LOG.debug("NFS LOOKUP fileId: " + dirHandle.getFileId() + " name:"
+ fileName + " does not exist");
}
Nfs3FileAttributes postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient,
dirFileIdPath, iug);
return new LOOKUP3Response(Nfs3Status.NFS3ERR_NOENT, null, null,
postOpDirAttr);
}
Nfs3FileAttributes postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient,
dirFileIdPath, iug);
if (postOpDirAttr == null) {
LOG.info("Can't get path for dir fileId:" + dirHandle.getFileId());
return new LOOKUP3Response(Nfs3Status.NFS3ERR_STALE);
}
FileHandle fileHandle = new FileHandle(postOpObjAttr.getFileId());
return new LOOKUP3Response(Nfs3Status.NFS3_OK, fileHandle, postOpObjAttr,
postOpDirAttr);
} catch (IOException e) {
LOG.warn("Exception ", e);
return new LOOKUP3Response(Nfs3Status.NFS3ERR_IO);
}
}