public async void SendFile(FileInfo FileInfo)
{
await Task.Run(() =>
{
BinaryFormatter binaryFormatter = new BinaryFormatter();
IPEndPoint GroupEndPoint = new IPEndPoint(GroupIp, PortFileChat);
using (FileStream fs = new FileStream(FileInfo.FullName, FileMode.Open, FileAccess.Read))
using (BinaryReader br = new BinaryReader(fs))
{
MemoryStream ms = new MemoryStream();
byte[] data = br.ReadBytes(1024);
FilePiece fp = new FilePiece(FileInfo, data);
binaryFormatter.Serialize(ms, fp);
Thread.Sleep(10);
while (data.Length > 0)
{
ClientSend.Send(ms.GetBuffer(), (int)ms.Length, GroupEndPoint);
data = br.ReadBytes(1024);
fp.Data = data;
ms = new MemoryStream();
binaryFormatter.Serialize(ms, fp);
Thread.Sleep(10);
}
Thread.Sleep(10);
ms = new MemoryStream();
fp.Data = new byte[] { 1, 2, 3 };
binaryFormatter.Serialize(ms, fp);
ClientSend.Send(ms.GetBuffer(), (int)ms.Length, GroupEndPoint);
}
});
}
private void WriteReceivedBytes(FilePiece deserialized)
{
string filepath = deserialized.FileInfo.Name;
Debug.WriteLine(filepath);
using (FileStream fs = new FileStream(filepath, FileMode.Append, FileAccess.Write))
{
if (deserialized.Data != null)
{
fs.Write(deserialized.Data, 0, deserialized.Data.Length);
}
Debug.WriteLine(fs.Length.ToString());
}
}
private async void Receive()
{
BinaryFormatter bf = new BinaryFormatter();
while (!cancellationTokenSource.IsCancellationRequested)
{
try
{
UdpReceiveResult result = await ClientReceive.ReceiveAsync();
using (var inputMemoryStream = new MemoryStream(result.Buffer))
{
FilePiece deserialized = bf.Deserialize(inputMemoryStream) as FilePiece;
if (deserialized.Data.Length == 3)
{
Message message = new Message()
{
Address = result.RemoteEndPoint.Address,
Data = $"File: {deserialized.FileInfo.Name}"
};
OnMessage(message);
}
else
{
WriteReceivedBytes(deserialized);
}
}
}
catch (ObjectDisposedException)
{
Debug.WriteLine("FileChat Socket closed");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
