public bool Download(Uri host, string fileName, string localFilename, bool permitOverwrite)
{
FTPclient ftp = new FTPclient(host.AbsoluteUri, FtpUser, FtpPassword);
ftp.UsePassive = true;
return ftp.Download(fileName, localFilename, permitOverwrite);
}
public virtual Result Perform()
{
try
{
Result.ResultValue returnResult = Result.ResultValue.Pass;
returnDescription = "";
ftpClient = new FTP.FTPclient(server, user, password);
// clear out files from any previous lookups
files.Clear();
totalFileSize = 0;
AddFileData("");
GetPreviousFiles();
// Check to see if we're over of disk space utilization limits
if (totalFileSizeInMB >= diskSpaceFailureLevel)
{
returnResult = Result.ResultValue.Fail;
returnDescription += String.Format("Disk space has exceeded {0} mb, currently at {1}.", diskSpaceFailureLevel, totalFileSizeInMB);
}
else if (totalFileSizeInMB >= diskSpaceWarningLevel)
{
returnResult = Result.ResultValue.Warning;
returnDescription += String.Format("Disk space has exceeded {0} mb but below {1}, currently at {2} mb.", diskSpaceWarningLevel, diskSpaceFailureLevel, totalFileSizeInMB);
}
else
{
returnResult = Result.ResultValue.Pass;
returnDescription += String.Format("Disk space is below warning threshold of {0} mb. Currently at {1} mb.", diskSpaceWarningLevel, totalFileSizeInMB);
}
// See if there are any changes to our files since the last time we looked.
if (!CompareFiles())
{
// There are changes. Serialize the new file list for comparison next time
SaveFiles();
// We must be careful not to downgrade any results from previous checks
if (returnResult < Result.ResultValue.Warning)
{
returnResult = Result.ResultValue.Warning;
}
returnDescription += "\n\nFiles have changed!" + comparisonResults;
}
else
{
returnDescription += "\n\nFiles have not changed.";
}
return new Result(ActionName, returnResult, returnDescription);
}
catch (WebException exc)
{
return new Result(ActionName, Result.ResultValue.Warning, "Exception encountered: " + exc.ToString());
}
finally
{
// nulling this guy out appears to get it cleaned up which prevents the FTP server from going
// into passive mode.
ftpClient = null;
}
}
public bool Upload(Uri host, string localFilename)
{
string targFileName = Path.GetFileName(localFilename);
FTPclient ftp = new FTPclient(host.AbsoluteUri, FtpUser, FtpPassword);
ftp.UsePassive = true;
return ftp.Upload(localFilename, targFileName);
}
public FTPdirectory GetFtpFiles(Uri Host, string ext = "")
{
FTPclient ftp = new FTPclient(Host.AbsoluteUri, FtpUser, FtpPassword);
ftp.UsePassive = true;
FTPdirectory ftpDir = ftp.ListDirectoryDetail();
return ftpDir.GetFiles("");
}