private void uploadFileTest(FTPProtocol protocol, int numFiles)
{
bool bError;
string errorMsg = "",
source = "",
target,
remoteFolder = GetAppSetting("TargetFolder", "", protocol);
// Create file(s) to upload
List <string> sourceFiles = new List <string>();
for (int i = 0; i < numFiles; i++)
{
source = Path.GetTempPath() + "\\" + i.ToString() + ".test";
db.LogTestFile(source); // So the cleanup delete it
sourceFiles.Add(source);
using (StreamWriter sw = new StreamWriter(source)) {
sw.WriteLine(LorumIpsum());
}
}
// Upload the file(s)
FTPService.FTPService ftpService = FTPService(protocol);
if (numFiles > 1)
{
source = source.FolderName() + "\\*.test";
target = remoteFolder;
}
else
{
target = remoteFolder + "/" + source.FileName();
}
bError = ftpService.UploadFile(source, target, ref errorMsg);
Assert.IsTrue(!bError, errorMsg);
// Delete the original files so that when we download again,
// we know we have recreated the files
foreach (var fileName in sourceFiles)
{
File.Delete(fileName);
Assert.IsTrue(!File.Exists(fileName), $"Error: Failed to delete {fileName}");
}
// Now try to download the files
if (numFiles > 1)
{
source = remoteFolder;
target = Path.GetTempFileName().FolderName();
}
else
{
source = target;
target = Path.GetTempFileName().FolderName() + "\\" + source.FileName();
db.LogTestFile(target); // So the cleanup deletes it
}
List <string> downloadedFiles = new List <string>();
bError = ftpService.DownloadFile(source, target, downloadedFiles, ref errorMsg);
LogTestFile(downloadedFiles);
Assert.IsTrue(!bError, errorMsg);
// Cleanup the host
foreach (string fileName in sourceFiles)
{
bError = ftpService.DeleteFile(remoteFolder + "/" + fileName.FileName(), ref errorMsg);
Assert.IsTrue(!bError, errorMsg);
}
// Check that the file exists
foreach (string fileName in sourceFiles)
{
Assert.IsTrue(File.Exists(fileName), $"Error: Failed to find file {fileName}");
}
}
private void receiveFiles(FileTransferConfigurationModel config)
{
int numFiles = 0,
numSuccess = 0,
numErrors = 0;
WriteTaskLog($"Receiving file(s) from '{config.SourceFolder}' to '{config.TargetFolder}'");
// Start the FTP service
var ftpService = new FTPService.FTPService(config.FTPHost, config.UserId, config.Password, config.Protocol);
// Get a list of files on the remote folder to receive
string errorMsg = "";
List <string> fileList = new List <string>();
if (ftpService.GetFTPFileList(config.SourceFolder, ref fileList, ref errorMsg))
{
WriteTaskLog(errorMsg, LogSeverity.Severe);
}
else
{
if (fileList != null)
{
numFiles = fileList.Count();
string targetFolder = config.TargetFolder;
FileManagerService.FileManagerService.CreateFolder(targetFolder);
foreach (var fileName in fileList)
{
// Receiving a file
string targetFile = targetFolder + "\\" + fileName.FileName();
WriteTaskLog($"Receiving '{fileName}' to '{targetFile}'");
if (ftpService.DownloadFile(fileName,
targetFile,
null,
ref errorMsg))
{
// Failed to perform transfer
WriteTaskLog(errorMsg, LogSeverity.Severe);
numErrors++;
// Upon error, delete or archive remote file
bool bError;
if (!string.IsNullOrEmpty(config.ErrorFolder))
{
// File is configured to be archived
bError = ftpService.MoveFile(fileName, config.ErrorFolder, ref errorMsg);
}
else
{
// No archive configuration, so just delete the file
bError = ftpService.DeleteFile(fileName, ref errorMsg);
}
if (bError)
{
WriteTaskLog(errorMsg, LogSeverity.Severe);
}
// Delete the local file so we don't double-up
FileManagerService.FileManagerService.DeleteFile(targetFile);
}
else
{
// Transfer successful
WriteTaskLog(errorMsg, LogSeverity.Normal);
numSuccess++;
// Upon successful receipt, delete or archive remote file
bool bError;
if (!string.IsNullOrEmpty(config.ArchiveFolder))
{
// File is configured to be archived
bError = ftpService.MoveFile(fileName, config.ArchiveFolder, ref errorMsg);
}
else
{
// No archive configuration, so just delete the file
bError = ftpService.DeleteFile(fileName, ref errorMsg);
}
if (bError)
{
WriteTaskLog(errorMsg, LogSeverity.Severe);
}
}
}
}
}
WriteTaskLog($"{numFiles} found, {numSuccess} received successfully, {numErrors} error(s)");
}
private void moveFileTest(FTPProtocol protocol)
{
bool bError;
string errorMsg = "",
sourceFile = "",
targetFile,
remoteFolder = GetAppSetting("TargetFolder", "", protocol);
// Create file(s) to upload
sourceFile = Path.GetTempPath() + "\\MoveFile.test";
db.LogTestFile(sourceFile); // So the cleanup delete it
using (StreamWriter sw = new StreamWriter(sourceFile)) {
sw.WriteLine(LorumIpsum());
}
// Upload the file
FTPService.FTPService ftpService = FTPService(protocol);
targetFile = remoteFolder + "/" + sourceFile.FileName();
bError = ftpService.UploadFile(sourceFile, targetFile, ref errorMsg);
Assert.IsTrue(!bError, errorMsg);
File.Delete(sourceFile);
// Now download it to check that it got uploaded
string temp = targetFile;
targetFile = sourceFile;
sourceFile = temp;
List <string> downloadedFiles = new List <string>();
bError = ftpService.DownloadFile(sourceFile, targetFile, downloadedFiles, ref errorMsg);
LogTestFile(downloadedFiles);
Assert.IsTrue(!bError, errorMsg);
Assert.IsTrue(downloadedFiles.Count == 1, $"Error: {downloadedFiles.Count} file(s) were downloaded when 1 was expected");
// Check that the file exists
Assert.IsTrue(File.Exists(targetFile), $"Error: Failed to find file {targetFile}");
// Now move it on the host
targetFile = GetAppSetting("ArchiveFolder", "", protocol) + "/" + sourceFile.FileName();
bError = ftpService.MoveFile(sourceFile, targetFile, ref errorMsg, true);
Assert.IsTrue(!bError, errorMsg);
// Try to download it from original location (should fail because it has been moved)
string tempFile = Path.GetTempFileName();
db.LogTestFile(tempFile); // So the cleanup delete it
bError = ftpService.DownloadFile(sourceFile, tempFile, downloadedFiles, ref errorMsg);
Assert.IsTrue(bError, "Error: Download should have failed because the source file has been moved. This error means that the move failed");
// Now try to download it from the archive location
bError = ftpService.DownloadFile(targetFile, tempFile, downloadedFiles, ref errorMsg);
Assert.IsTrue(!bError, errorMsg);
// Now delete it in the archive
bError = ftpService.DeleteFile(targetFile, ref errorMsg);
Assert.IsTrue(!bError, errorMsg);
// Finally, try to download the archived file again (should fail)
bError = ftpService.DownloadFile(targetFile, tempFile, downloadedFiles, ref errorMsg);
Assert.IsTrue(bError, "Error: Download should have failed because the previous delete should have removed the file. This error means that the delete failed");
}
public override int DoProcessing(string[] args)
{
// This task retrieves unpack slips from a warehouse.
// It uses the transfers configured in the task properties.
// TaskProcessor.exe UNPACKRECEIVER datatransferprofilename
if (args.Length != 2)
{
WriteTaskLog($"Error: Incorrect parameters!\r\nUsage: TaskProcessor.exe UNPACKRECEIVER datatransferprofilename");
}
else
{
string errorMsg = "";
user = GetTaskUser();
if (user != null)
{
DataTransferService.DataTransferService dts = new DataTransferService.DataTransferService(_db);
string taskName = args[1];
var config = dts.FindDataTransferConfigurationModel(taskName);
if (config == null)
{
WriteTaskLog($"Warning: Task {taskName} cound not be found!", LogSeverity.Warning);
}
else
{
// Retrieve files from the warehouse
WriteTaskLog("Downloading files from: " + config.TransferName);
var ftpService = new FTPService.FTPService(config.FTPHost, config.UserId, config.Password, config.Protocol);
var fileList = new List <string>();
if (ftpService.GetFTPFileList(config.SourceFolder, ref fileList, ref errorMsg))
{
WriteTaskLog(errorMsg, LogSeverity.Severe);
}
else
{
// Download files one at a time and as each is successfully downloaded,
// archive of delete it on the FTP host.
// This ensures that if we have a comms failure, the local drive and FTP host are in
// sync and we prevent repeated loads of the same file.
FileManagerService.FileManagerService.CreateFolder(config.TargetFolder.TrimEnd('\\'));
foreach (var fileName in fileList)
{
var downloadedFile = new List <string>();
var result = ftpService.DownloadFile(fileName,
config.TargetFolder.TrimEnd('\\') + "\\" + fileName.FileName(),
downloadedFile,
ref errorMsg);
_db.LogTestFile(downloadedFile);
if (result)
{
WriteTaskLog(errorMsg, LogSeverity.Severe);
}
else
{
// Delete or archive the source files of those which were retrieved
result = ftpService.DeleteFile(fileName, ref errorMsg);
if (result)
{
WriteTaskLog(errorMsg, LogSeverity.Severe);
}
}
}
// Process the files received
processFiles(config);
}
}
}
}
return(0);
}