public async Task StartUpload()
{
try
{
NotifyUploadStatus(FileUploadCommand, FileTransferCompletionStatus.Started);
DateTime startTime = DateTime.Now;
int numberOfFileParts = FileTransferHelper.GetNumberOfFileParts(FilePath, Program.FilePartSize);
progress.Maximum = numberOfFileParts;
int partIndex = 0;
while (partIndex < numberOfFileParts)
{
var data = FileTransferHelper.GetFilePartData(FilePath, partIndex, Program.FilePartSize);
await _communications.UploadFilePart(FileUploadCommand, data, partIndex);
partIndex++;
progress.Value++;
}
_logger.LogInformation(string.Format("File '{0}' uploaded successfully. Duration : {1}", FilePath, DateTime.Now.Subtract(startTime)));
ShowFinishedStatus("Upload Completed", true);
NotifyUploadStatus(FileUploadCommand, FileTransferCompletionStatus.Successful);
return;
}
catch (Exception ex)
{
_logger.LogInformation(string.Format("An error occurred uploading file '{0}' (Id : {1}). Error : {2}", FilePath, FileUploadCommand.FileId, ex.Message));
ShowFinishedStatus("Upload failed. " + ex.Message, false);
}
NotifyUploadStatus(FileUploadCommand, FileTransferCompletionStatus.Error);
}
private async void cmdSendFile_Click(object sender, EventArgs e)
{
try
{
if (comboUser.SelectedItem == null)
{
MessageBox.Show("A User must be selected", "Information Required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (txtSendFilePath.Text == "")
{
MessageBox.Show("A file must be specified", "Information Required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (!File.Exists(txtSendFilePath.Text))
{
MessageBox.Show("The specified File is invalid", "Information Required", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
FileInfo fileInfo = new FileInfo(txtSendFilePath.Text);
FileOfferModel fileOffer = new FileOfferModel()
{
OfferedToUserName = comboUser.SelectedItem.ToString(),
Description = txtSendFileDescription.Text,
FileName = Path.GetFileName(txtSendFilePath.Text),
Size = fileInfo.Length,
NumberOfFileParts = FileTransferHelper.GetNumberOfFileParts(txtSendFilePath.Text, Program.FilePartSize),
Hash = FileTransferHelper.GetSHA1Hash(txtSendFilePath.Text)
};
Guid fileId = await _communications.SendFileTransferOffer(fileOffer);
_filePaths.Add(fileId, txtSendFilePath.Text);
}
catch (Exception ex)
{
MessageBox.Show("An error occurred sending file. " + ex.Message);
}
}
async Task StartDownload()
{
try
{
SetDownloadStatus(FileTransferCompletionStatus.Started);
lblFinishedStatus.Visible = false;
DateTime startTime = DateTime.Now;
var filePartPaths = new List <string>();
string downloadFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "HIIT", FileDownloadCommand.FileId.ToString());
if (!Directory.Exists(downloadFolder))
{
Directory.CreateDirectory(downloadFolder);
}
progress.Value = 0;
progress.Maximum = FileDownloadCommand.NumberParts;
for (int i = 0; i < FileDownloadCommand.NumberParts; i++)
{
if (CancelDownload)
{
break;
}
string tempFile = Path.Combine(downloadFolder, i + ".data");
await _communications.DownloadFilePart(FileDownloadCommand, tempFile, i);
filePartPaths.Add(tempFile);
progress.Value++;
}
if (CancelDownload)
{
_logger.LogInformation(string.Format("File '{0}' download cancelled.", _destinationPath));
// clean up the downloaded files.
filePartPaths.ForEach(x => File.Delete(x));
Directory.Delete(downloadFolder, true);
ShowFinishedStatus("Download Cancelled", false);
SetDownloadStatus(FileTransferCompletionStatus.Cancelled);
}
else
{
_destinationPath = Path.Combine(_configuration.DownloadFolder, FileDownloadCommand.FileName);
await FileTransferHelper.CombineFileParts(_destinationPath, filePartPaths);
_logger.LogInformation(string.Format("File '{0}' downloaded successfully. Duration : {1}", _destinationPath, DateTime.Now.Subtract(startTime)));
// clean up the downloaded files.
filePartPaths.ForEach(x => File.Delete(x));
Directory.Delete(downloadFolder, true);
ShowFinishedStatus("Download Completed", true);
SetDownloadStatus(FileTransferCompletionStatus.Successful);
}
return;
}
catch (Exception ex)
{
_logger.LogInformation(string.Format("An error occurred downloading file '{0}' (Id : {1}). Error : {2}", FileDownloadCommand.FileName, FileDownloadCommand.FileId, ex.Message));
ShowFinishedStatus("Download failed. " + ex.Message, false);
}
SetDownloadStatus(FileTransferCompletionStatus.Error);
}