//
// estimate the byte size of attribute names list...
public int listxattrsize(ByteBuffer path, FuseSizeSetter sizeSetter)
{
if (xattrSupport == null)
return handleErrno(Errno.ENOTSUPP);
String pathStr = cs.decode(path).ToString();
if (log != null && log.IsDebugEnabled)
log.Debug("listxattrsize: path=" + pathStr);
int errno;
XattrSizeLister lister = new XattrSizeLister();
try
{
errno = xattrSupport.listxattr(pathStr, lister);
}
catch (System.Exception e)
{
return handleException(e);
}
sizeSetter.setSize(lister.size);
return handleErrno(errno, sizeSetter);
}
/**
* This method can be called to query for the size of the extended attribute
*
* @params path the path to file or directory containing extended attribute
* @params name the name of the extended attribute
* @params sizeSetter a callback interface that should be used to set the attribute's size
* @return 0 if Ok or errno when error
* @throws fuse.FuseException an alternative to returning errno is to throw this exception with errno initialized
*/
//throws FuseException
public int getxattrsize(String path, String name, FuseSizeSetter sizeSetter)
{
N n = lookup(path);
if (n == null)
return Errno.ENOENT;
byte[] value= null;
n.xattrs.TryGetValue(name, out value);
if (value == null)
return Errno.ENOATTR;
sizeSetter.setSize(value.Length);
return 0;
}
//
// extended attribute support is optional
public int getxattrsize(ByteBuffer path, ByteBuffer name, FuseSizeSetter sizeSetter)
{
if (xattrSupport == null)
return handleErrno(Errno.ENOTSUPP);
String pathStr = cs.decode(path).ToString();
String nameStr = cs.decode(name).ToString();
if (log != null && log.IsDebugEnabled)
log.Debug("getxattrsize: path=" + pathStr + ", name=" + nameStr);
try
{
return handleErrno(xattrSupport.getxattrsize(pathStr, nameStr, sizeSetter), sizeSetter);
}
catch (System.Exception e)
{
return handleException(e);
}
}
