}
@Override
public RENAME3Response rename(XDR xdr,
SecurityHandler securityHandler, InetAddress client) {
RENAME3Response response = new RENAME3Response(Nfs3Status.NFS3_OK);
DFSClient dfsClient = clientCache.get(securityHandler.getUser());
if (dfsClient == null) {
response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
return response;
}
RENAME3Request request = null;
try {
request = new RENAME3Request(xdr);
} catch (IOException e) {
LOG.error("Invalid RENAME request");
return new RENAME3Response(Nfs3Status.NFS3ERR_INVAL);
}
FileHandle fromHandle = request.getFromDirHandle();
String fromName = request.getFromName();
FileHandle toHandle = request.getToDirHandle();
String toName = request.getToName();
if (LOG.isDebugEnabled()) {
LOG.debug("NFS RENAME from: " + fromHandle.getFileId() + "/" + fromName
+ " to: " + toHandle.getFileId() + "/" + toName);
}
String fromDirFileIdPath = Nfs3Utils.getFileIdPath(fromHandle);
String toDirFileIdPath = Nfs3Utils.getFileIdPath(toHandle);
Nfs3FileAttributes fromPreOpAttr = null;
Nfs3FileAttributes toPreOpAttr = null;
WccData fromDirWcc = null;
WccData toDirWcc = null;
try {
fromPreOpAttr = Nfs3Utils.getFileAttr(dfsClient, fromDirFileIdPath, iug);
if (fromPreOpAttr == null) {
LOG.info("Can't get path for fromHandle fileId:"
+ fromHandle.getFileId());
return new RENAME3Response(Nfs3Status.NFS3ERR_STALE);
}
toPreOpAttr = Nfs3Utils.getFileAttr(dfsClient, toDirFileIdPath, iug);
if (toPreOpAttr == null) {
LOG.info("Can't get path for toHandle fileId:" + toHandle.getFileId());
return new RENAME3Response(Nfs3Status.NFS3ERR_STALE);
}
if (!checkAccessPrivilege(client, AccessPrivilege.READ_WRITE)) {
WccData fromWcc = new WccData(Nfs3Utils.getWccAttr(fromPreOpAttr),
fromPreOpAttr);
WccData toWcc = new WccData(Nfs3Utils.getWccAttr(toPreOpAttr),
toPreOpAttr);
return new RENAME3Response(Nfs3Status.NFS3ERR_ACCES, fromWcc, toWcc);
}
String src = fromDirFileIdPath + "/" + fromName;
String dst = toDirFileIdPath + "/" + toName;
dfsClient.rename(src, dst, Options.Rename.NONE);
// Assemble the reply
fromDirWcc = Nfs3Utils.createWccData(Nfs3Utils.getWccAttr(fromPreOpAttr),
dfsClient, fromDirFileIdPath, iug);
toDirWcc = Nfs3Utils.createWccData(Nfs3Utils.getWccAttr(toPreOpAttr),
dfsClient, toDirFileIdPath, iug);
return new RENAME3Response(Nfs3Status.NFS3_OK, fromDirWcc, toDirWcc);
} catch (IOException e) {
LOG.warn("Exception ", e);
// Try to return correct WccData
try {
fromDirWcc = Nfs3Utils.createWccData(
Nfs3Utils.getWccAttr(fromPreOpAttr), dfsClient, fromDirFileIdPath,
iug);
toDirWcc = Nfs3Utils.createWccData(Nfs3Utils.getWccAttr(toPreOpAttr),
dfsClient, toDirFileIdPath, iug);
} catch (IOException e1) {
LOG.info("Can't get postOpDirAttr for " + fromDirFileIdPath + " or"
+ toDirFileIdPath);
}
if (e instanceof AccessControlException) {
return new RENAME3Response(Nfs3Status.NFS3ERR_PERM, fromDirWcc,
toDirWcc);
} else {
return new RENAME3Response(Nfs3Status.NFS3ERR_IO, fromDirWcc, toDirWcc);
}
}
}