public Task <bool> ReturnToParentDirectory()
{
return(Task.Run(() =>
{
try
{
lock (persistentConnectionLock)
{
persistentConnection.ChangeCurrentWorkingDirectory("..");
CurrentRemotePath = persistentConnection.GetCurrentWorkingDirectory();
}
return true;
}
catch (FTPResponseException ex)
{
FTPErrorNotifications?.Invoke(ex);
}
return false;
}));
}
public Task <bool> CreatePersistentConnection()
{
return(Task.Run(() =>
{
try
{
lock (persistentConnectionLock)
{
persistentConnection?.Close();
persistentConnection = CreateConnection(Server, true);
CurrentRemotePath = persistentConnection.GetCurrentWorkingDirectory();
}
timerKeepAlive = new Timer((state) =>
{
try
{
lock (persistentConnectionLock)
{
persistentConnection.SendNullCommand();
}
}
catch (FTPResponseException ex)
{
timerKeepAlive.Dispose();
timerKeepAlive = null;
FTPErrorNotifications?.Invoke(ex);
}
}, null, 15000, 15000);
return true;
}
catch (FTPResponseException ex)
{
FTPErrorNotifications?.Invoke(ex);
}
return false;
}));
}