public async Task <Tuple <bool, string> > GetFile(string fileName, string fileExt)
{
FileReq req = new FileReq
{
Fullfilename = fileName + fileExt
};
string fileNameLocal = "c:\\temp\\" + fileName + "_"
+ System.Guid.NewGuid().ToString() + fileExt;
if (destinationStream == null)
{
//create file to save stream to
destinationStream = File.Create(fileNameLocal);
}
var stream = new CodedOutputStream(destinationStream, true);
using (var call = _client.GetFile(req))
{
while (await call.ResponseStream.MoveNext())
{
var arr = call.ResponseStream.Current.PayLoad.ToByteArray();
destinationStream.Write(arr, 0, arr.Length);
}
}
await destinationStream.FlushAsync();
stream.Flush();
stream.Dispose();
if (destinationStream != null)
{
destinationStream.Dispose();
destinationStream.Close();
destinationStream = null;
}
return(new Tuple <bool, string>(true, fileNameLocal));
}
public override async Task GetFile(FileReq request, IServerStreamWriter <Chunk> responseStream, ServerCallContext context)
{
long dataToRead;
byte[] buffer = new Byte[4096];
int length;
int bytesRead = 0;
Chunk msg = new Chunk();
try
{
Stream inpStream = new FileStream("c:\\temp\\" + request.Fullfilename, FileMode.Open,
FileAccess.Read, FileShare.Read);
dataToRead = inpStream.Length;
int start = 0;
inpStream.Seek(start, SeekOrigin.Begin);
while (dataToRead > 0)
{
// Read the data in buffer
length = inpStream.Read(buffer, 0, buffer.Length);
// Write the data to the current output stream
msg.PayLoad = ByteString.CopyFrom(buffer, 0, buffer.Length);
await responseStream.WriteAsync(msg);
bytesRead += buffer.Length;
buffer = new Byte[buffer.Length];
dataToRead = dataToRead - buffer.Length;
}
}
catch (Exception ex)
{
string str = ex.ToString();
}
}
