/// <summary>
/// Gets the modified time of a remote file asynchronously
/// </summary>
/// <param name="path">The full path to the file</param>
/// <param name="type">Return the date in local timezone or UTC? Use FtpDate.Original to disable timezone conversion.</param>
/// <param name="token">The token that can be used to cancel the entire process</param>
/// <returns>The modified time, or <see cref="DateTime.MinValue"/> if there was a problem</returns>
public async Task <DateTime> GetModifiedTimeAsync(string path, FtpDate type = FtpDate.Original, CancellationToken token = default(CancellationToken))
{
// verify args
if (path.IsBlank())
{
throw new ArgumentException("Required parameter is null or blank.", "path");
}
LogFunc(nameof(GetModifiedTimeAsync), new object[] { path, type });
var date = DateTime.MinValue;
FtpReply reply;
// get modified date of a file
if ((reply = await ExecuteAsync("MDTM " + path.GetFtpPath(), token)).Success)
{
date = reply.Message.GetFtpDate(TimeConversion);
// convert server timezone to UTC, based on the TimeOffset property
if (type != FtpDate.Original && m_listParser.HasTimeOffset)
{
date = date - m_listParser.TimeOffset;
}
// convert to local time if wanted
#if !CORE
if (type == FtpDate.Local)
{
date = TimeZone.CurrentTimeZone.ToLocalTime(date);
}
#endif
}
return(date);
}
/// <summary>
/// Begins an asynchronous operation to get the modified time of a remote file
/// </summary>
/// <param name="path">The full path to the file</param>
/// <param name="date">The new modified date/time value</param>
/// <param name="type">Is the date provided in local timezone or UTC? Use FtpDate.Original to disable timezone conversion.</param>
/// <param name="callback">Async callback</param>
/// <param name="state">State object</param>
/// <returns>IAsyncResult</returns>
public IAsyncResult BeginSetModifiedTime(string path, DateTime date, FtpDate type, AsyncCallback callback, object state)
{
IAsyncResult ar;
AsyncSetModifiedTime func;
lock (m_asyncmethods) {
ar = (func = SetModifiedTime).BeginInvoke(path, date, type, callback, state);
m_asyncmethods.Add(ar, func);
}
return(ar);
}
/// <summary>
/// Changes the modified time of a remote file
/// </summary>
/// <param name="path">The full path to the file</param>
/// <param name="date">The new modified date/time value</param>
/// <param name="type">Is the date provided in local timezone or UTC? Use FtpDate.Original to disable timezone conversion.</param>
public virtual void SetModifiedTime(string path, DateTime date, FtpDate type = FtpDate.Original)
{
// verify args
if (path.IsBlank())
{
throw new ArgumentException("Required parameter is null or blank.", "path");
}
if (date == null)
{
throw new ArgumentException("Required parameter is null or blank.", "date");
}
LogFunc(nameof(SetModifiedTime), new object[] { path, date, type });
FtpReply reply;
#if !CORE14
lock (m_lock) {
#endif
// convert local to UTC if wanted
#if !CORE
if (type == FtpDate.Local)
{
date = TimeZone.CurrentTimeZone.ToUniversalTime(date);
}
#endif
// convert UTC to server timezone, based on the TimeOffset property
if (type != FtpDate.Original && m_listParser.HasTimeOffset)
{
date = date + m_listParser.TimeOffset;
}
// set modified date of a file
var timeStr = date.ToString("yyyyMMddHHmmss");
if ((reply = Execute("MFMT " + timeStr + " " + path.GetFtpPath())).Success)
{
}
#if !CORE14
}
#endif
}
