internal static bool RenameForEditLog(FSDirectory fsd, string src, string dst, long
timestamp)
{
if (fsd.IsDir(dst))
{
dst += Path.Separator + new Path(src).GetName();
}
INodesInPath srcIIP = fsd.GetINodesInPath4Write(src, false);
INodesInPath dstIIP = fsd.GetINodesInPath4Write(dst, false);
return(UnprotectedRenameTo(fsd, src, dst, srcIIP, dstIIP, timestamp));
}
private static bool RenameTo(FSDirectory fsd, FSPermissionChecker pc, string src,
string dst, bool logRetryCache)
{
// Rename does not operate on link targets
// Do not resolveLink when checking permissions of src and dst
// Check write access to parent of src
INodesInPath srcIIP = fsd.GetINodesInPath4Write(src, false);
// Note: We should not be doing this. This is move() not renameTo().
string actualDst = fsd.IsDir(dst) ? dst + Path.Separator + new Path(src).GetName(
) : dst;
INodesInPath dstIIP = fsd.GetINodesInPath4Write(actualDst, false);
if (fsd.IsPermissionEnabled())
{
fsd.CheckPermission(pc, srcIIP, false, null, FsAction.Write, null, null, false);
// Check write access to ancestor of dst
fsd.CheckPermission(pc, dstIIP, false, FsAction.Write, null, null, null, false);
}
if (NameNode.stateChangeLog.IsDebugEnabled())
{
NameNode.stateChangeLog.Debug("DIR* FSDirectory.renameTo: " + src + " to " + dst);
}
long mtime = Time.Now();
bool stat = false;
fsd.WriteLock();
try
{
stat = UnprotectedRenameTo(fsd, src, actualDst, srcIIP, dstIIP, mtime);
}
finally
{
fsd.WriteUnlock();
}
if (stat)
{
fsd.GetEditLog().LogRename(src, actualDst, mtime, logRetryCache);
return(true);
}
return(false);
}