private void OnDataReceived(object sender, DataReceivedEventArgs e)
{
var client = sender as Client;
// Check the buffer stream after decoding.
if (_overflowBuffer.Length + e.Data.Length > MaxMessageSize)
{
// We will not even bother to decode the next bytes since we assume it's garbage.
client?.Disconnect("MaxMessageSize reached.");
return;
}
// Decode the message bytes.
var decoded = _encoder.Decode(e.Data);
// Parse to string
var receivedBuffer = StringEncoding.GetString(decoded);
var messageBuffer = _overflowBuffer + receivedBuffer;
// NOTE: Normally you should disconnect people who send 'empty' packets but the developers messed up some where so the client might send \n\n twice.
// This does not apply to all client versions so make sure you check your version.
var messages = messageBuffer.Split(MessageDelimiter, StringSplitOptions.RemoveEmptyEntries);
foreach (var message in messages)
{
// Parse message.
var parseMessage = message.Trim();
try
{
var wrMessage = MessageProcessor.Parse(parseMessage) as BaseMessage;
if (wrMessage != null)
{
MessageReceived.Invoke(this, new WrMessageReceivedEventArgs(wrMessage));
}
else
{
Console.WriteLine("Failed to parse message: {0}", parseMessage);
}
}
catch (Exception exception)
{
Console.WriteLine("Parse Exception: {0}", exception);
}
}
_overflowBuffer = string.Empty;
if (!messageBuffer.EndsWith("\n"))
{
// The last message is split, remember this for the next receive call.
_overflowBuffer = messages[messages.Length - 1];
}
}
private byte[] ParseAndDecode(BinaryReader reader, int count)
{
var encodedBuffer = reader.ReadBytes(count);
return(_codec.Decode(encodedBuffer));
}