/// <exception cref="System.IO.IOException"/>
internal virtual Nfs3FileAttributes GetFileAttr(DFSClient client, FileHandle dirHandle
, string fileName)
{
string fileIdPath = Nfs3Utils.GetFileIdPath(dirHandle) + "/" + fileName;
Nfs3FileAttributes attr = Nfs3Utils.GetFileAttr(client, fileIdPath, iug);
if ((attr != null) && (attr.GetType() == NfsFileType.Nfsreg.ToValue()))
{
OpenFileCtx openFileCtx = fileContextCache.Get(new FileHandle(attr.GetFileId()));
if (openFileCtx != null)
{
attr.SetSize(openFileCtx.GetNextOffset());
attr.SetUsed(openFileCtx.GetNextOffset());
}
}
return(attr);
}
internal virtual void HandleCommit(DFSClient dfsClient, FileHandle fileHandle, long
commitOffset, Org.Jboss.Netty.Channel.Channel channel, int xid, Nfs3FileAttributes
preOpAttr)
{
long startTime = Runtime.NanoTime();
int status;
OpenFileCtx openFileCtx = fileContextCache.Get(fileHandle);
if (openFileCtx == null)
{
Log.Info("No opened stream for fileId: " + fileHandle.GetFileId() + " commitOffset="
+ commitOffset + ". Return success in this case.");
status = Nfs3Status.Nfs3Ok;
}
else
{
OpenFileCtx.COMMIT_STATUS ret = openFileCtx.CheckCommit(dfsClient, commitOffset,
channel, xid, preOpAttr, false);
switch (ret)
{
case OpenFileCtx.COMMIT_STATUS.CommitFinished:
case OpenFileCtx.COMMIT_STATUS.CommitInactiveCtx:
{
status = Nfs3Status.Nfs3Ok;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitInactiveWithPendingWrite:
case OpenFileCtx.COMMIT_STATUS.CommitError:
{
status = Nfs3Status.Nfs3errIo;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitWait:
{
// Do nothing. Commit is async now.
return;
}
case OpenFileCtx.COMMIT_STATUS.CommitSpecialWait:
{
status = Nfs3Status.Nfs3errJukebox;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitSpecialSuccess:
{
status = Nfs3Status.Nfs3Ok;
break;
}
default:
{
Log.Error("Should not get commit return code: " + ret.ToString());
throw new RuntimeException("Should not get commit return code: " + ret.ToString()
);
}
}
}
// Send out the response
Nfs3FileAttributes postOpAttr = null;
try
{
postOpAttr = GetFileAttr(dfsClient, new FileHandle(preOpAttr.GetFileId()), iug);
}
catch (IOException e1)
{
Log.Info("Can't get postOpAttr for fileId: " + preOpAttr.GetFileId(), e1);
}
WccData fileWcc = new WccData(Nfs3Utils.GetWccAttr(preOpAttr), postOpAttr);
COMMIT3Response response = new COMMIT3Response(status, fileWcc, Nfs3Constant.WriteCommitVerf
);
RpcProgramNfs3.metrics.AddCommit(Nfs3Utils.GetElapsedTime(startTime));
Nfs3Utils.WriteChannelCommit(channel, response.Serialize(new XDR(), xid, new VerifierNone
()), xid);
}
