public void UploadFile(RemoteFileInfo request)
{
// Console will display the file and the size of the transfer
Console.WriteLine("Start uploading " + request.FileName);
Console.WriteLine("Size " + request.Length);
// create output folder, if does not exist
if (!Directory.Exists(request.userPath)) Directory.CreateDirectory(request.userPath);
// delete target file, if already exists
string filePath = Path.Combine(request.userPath, request.FileName);
if (File.Exists(filePath)) File.Delete(filePath);
int chunkSize = 2048;
byte[] buffer = new byte[chunkSize];
using (FileStream writeStream = new FileStream(filePath, FileMode.CreateNew, FileAccess.Write))
{
do
{
// read bytes from input stream
int bytesRead = request.FileByteStream.Read(buffer, 0, chunkSize);
if (bytesRead == 0) break;
// write bytes to output stream
writeStream.Write(buffer, 0, bytesRead);
} while (true);
Console.WriteLine("Done!");
writeStream.Close();
}
}
public RemoteFileInfo DownloadFile(DownloadRequest request)
{
//get the username path and the filename
string filePath = Path.Combine(request.userPath, request.FileName);
FileInfo fileInfo = new FileInfo(filePath);
// Console will display the file and the size of the transfer
Console.WriteLine("Sending stream " + request.FileName + " to client");
Console.WriteLine("Size " + fileInfo.Length);
// checks to see if it exists
if (!fileInfo.Exists) throw new FileNotFoundException("File not found", request.FileName);
// opens up stream
FileStream stream = new FileStream(filePath, System.IO.FileMode.Open, System.IO.FileAccess.Read);
// return result
RemoteFileInfo result = new RemoteFileInfo();
result.FileName = request.FileName;
result.Length = fileInfo.Length;
result.FileByteStream = stream;
result.userPath = request.userPath;
return result;
// after returning to the client download starts. Stream remains open and on server and the client reads it, although the execution of this method is completed.
}
