/// <summary>
/// 续传
/// </summary>
/// <param name="fileName">本地文件名</param>
/// <param name="serverFileName">服务文件名</param>
/// <returns></returns>
FTPResult ContinueUploadOp(string filename, string serverFileName, string sessionID)
{
FTPResult result = new FTPResult();
if (File.Exists(filename))
{
result.Result = 0;
if (string.IsNullOrWhiteSpace(sessionID))
{
result.SessionID = Guid.NewGuid().ToString();
}
else
{
result.SessionID = sessionID;
}
result.NewFilename = serverFileName;
UploadFileList.TryAdd(result.SessionID, new FTPItem()
{
SessionID = result.SessionID,
ServerFilePath = result.NewFilename,
LocFilePath = filename,
IsContinue = true
});
Exec();//执行上传 下载
}
else
{
result.Result = -100;//文件不存在
}
return(result);
}
/// <summary>
/// 上传文件，异步实现
/// 注意如果传输中断，下次再上传时，应该是续传
/// </summary>
/// <param name="filename"></param>
/// <param name="serverFileName">服务文件名</param>
/// <returns>SessionID，用来多个任务时区分</returns>
public FTPResult Upload(string filename, string serAddress, string upPath, string serverFilePath)
{
FTPResult result = new FTPResult();
if (File.Exists(filename))
{
result.Result = 0;
result.SessionID = Guid.NewGuid().ToString();
if (string.IsNullOrWhiteSpace(serverFilePath))
{
result.NewFilename = string.Concat(serAddress, upPath, result.SessionID, Path.GetExtension(filename));
}
else
{
result.NewFilename = serverFilePath;
}
UploadFileList.TryAdd(result.SessionID, new FTPItem()
{
SessionID = result.SessionID,
ServerFilePath = result.NewFilename,
LocFilePath = filename,
IsContinue = false
});
Exec();//执行上传 下载
}
else
{
result.Result = -100;//文件不存在
}
return(result);
}
/// <summary>
/// 下载文件，异步实现 续传
/// </summary>
/// <param name="saveFilename"></param>
/// <param name="saveFilename"></param>
/// <returns>SessionID，用来多个任务时区分</returns>
public FTPResult ContinueDownload(string saveFilename, string remotefilename)
{
FTPResult result = new FTPResult();
result.SessionID = Guid.NewGuid().ToString();
result.NewFilename = remotefilename;
UploadFileList.TryAdd(result.SessionID, new FTPItem()
{
SessionID = result.SessionID,
ServerFilePath = result.NewFilename,
LocFilePath = saveFilename,
IsContinue = true,
IsUpload = false
});
result.Result = 0;
Exec();//执行上传 下载
return(result);
}