private ICollection <FileInformation> ListChangedFilesInDirectory(string rootDirectory, string currentDirectory, DateTime?lastModificationLimit, ClusterAuthenticationCredentials credentials, SftpClientAdapter client)
{
List <FileInformation> results = new List <FileInformation>();
foreach (SftpFile file in client.ListDirectory(currentDirectory))
{
if (file.Name == "." || file.Name == "..")
{
continue;
}
if (file.IsDirectory)
{
results.AddRange(ListChangedFilesInDirectory(rootDirectory, FileSystemUtils.ConcatenatePaths(currentDirectory, file.Name), lastModificationLimit, credentials, client));
}
else if (((!lastModificationLimit.HasValue) || (lastModificationLimit.Value <= file.LastWriteTime)))
{
results.Add(new FileInformation
{
FileName = file.FullName.Replace(rootDirectory, string.Empty),
LastModifiedDate = file.LastWriteTime
});
}
}
return(results);
}
private void CopyAllFromSftp(string source, string target, bool overwrite, DateTime?lastModificationLimit, SftpClientAdapter client, string[] excludedFiles)
{
string sourcePath = source;
if (!Directory.Exists(target))
{
Directory.CreateDirectory(target);
}
foreach (SftpFile file in client.ListDirectory(sourcePath))
{
if (file.Name == "." || file.Name == "..")
{
continue;
}
if (file.IsDirectory)
{
CopyAllFromSftp(FileSystemUtils.ConcatenatePaths(source, file.Name), Path.Combine(target, file.Name), overwrite,
lastModificationLimit, client, FileSystemUtils.GetExcludedFilesForSubdirectory(excludedFiles, file.Name));
}
else
{
if (excludedFiles != null && excludedFiles.Contains(file.Name))
{
continue;
}
string targetFilePath = Path.Combine(target, file.Name);
if (((!File.Exists(targetFilePath)) || overwrite) &&
((!lastModificationLimit.HasValue) || (lastModificationLimit.Value < file.LastWriteTime)))
{
using FileStream targetStream = new FileStream(targetFilePath, FileMode.Create, FileAccess.Write, FileShare.None);
client.DownloadFile(file.FullName, targetStream);
}
}
}
}
private void DeleteRemoteDirectory(string remotePath, SftpClientAdapter client)
{
_logger.LogDebug($"Starting delete remote directory {remotePath}");
if (client.Exists(remotePath))
{
foreach (SftpFile file in client.ListDirectory(remotePath))
{
if (file.Name == "." || file.Name == "..")
{
continue;
}
if (file.IsSymbolicLink)
{
_logger.LogDebug($"Deleting symlink {file.Name}");
client.Delete(file.FullName);
}
else
{
if (file.IsDirectory)
{
_logger.LogDebug($"Deleting subdirectory {file.Name}");
DeleteRemoteDirectory(file.FullName, client);
}
else
{
_logger.LogDebug($"Deleting file {file.Name}");
client.DeleteFile(file.FullName);
}
}
}
_logger.LogDebug($"Deleting root directory {remotePath}");
client.DeleteDirectory(remotePath);
}
}
