public void UploadFile(RemoteFileInfo request)
{
// report start
Console.WriteLine("Start uploading " + request.FileName);
Console.WriteLine("Size " + request.Length);
// create output folder, if does not exist
if (!System.IO.Directory.Exists("Upload")) System.IO.Directory.CreateDirectory("Upload");
// kill target file, if already exists
string filePath = System.IO.Path.Combine("Upload", request.FileName);
if (System.IO.File.Exists(filePath)) System.IO.File.Delete(filePath);
int chunkSize = 2048;
byte[] buffer = new byte[chunkSize];
using (System.IO.FileStream writeStream = new System.IO.FileStream(filePath, System.IO.FileMode.CreateNew, System.IO.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);
// report end
Console.WriteLine("Done!");
writeStream.Close();
}
}
public RemoteFileInfo DownloadFile(DownloadRequest request)
{
// get some info about the input file
string filePath = System.IO.Path.Combine("Upload", request.FileName);
System.IO.FileInfo fileInfo = new System.IO.FileInfo(filePath);
// report start
Console.WriteLine("Sending stream " + request.FileName + " to client");
Console.WriteLine("Size " + fileInfo.Length);
// check if exists
if (!fileInfo.Exists) throw new System.IO.FileNotFoundException("File not found", request.FileName);
// open stream
System.IO.FileStream stream = new System.IO.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;
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.
}