public static IEnumerable <FtpListItem> GetFileListingRecursive(this FtpClient client, string startPath, FtpListOption options)
{
Policy retrier = Policy
.Handle <Exception>()
.WaitAndRetry(new[]
{
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(5),
TimeSpan.FromSeconds(15)
});
if (options.HasFlag(FtpListOption.Recursive))
{
throw new ArgumentException("Do not use recursive option when doing a recursive listing.", "options");
}
var foldersToGet = new Stack <string>();
foldersToGet.Push(startPath);
IEnumerable <FtpListItem> res = new FtpListItem[0];
do
{
var path = foldersToGet.Pop();
var files = retrier.Execute(() =>
{
var result = client.GetListing(path, options);
return(result);
});
foreach (var d in files.Where(x => x.Type == FtpFileSystemObjectType.Directory))
{
foldersToGet.Push(d.FullName);
}
res = res.Concat(files.Where(x => x.Type != FtpFileSystemObjectType.Directory).ToList());
} while (foldersToGet.Count > 0);
return(res);
}
