public static void UpdatePayload(int currentBytesRead, EnvelopeReaderBuffer readerBuffer)
{
// read all available Data
if (readerBuffer.Payload == null) // first read, because readerBuffer.Payload is null
{
readerBuffer.Payload = new byte[currentBytesRead];
Buffer.BlockCopy(readerBuffer.Buffer, 0, readerBuffer.Payload, 0, currentBytesRead);
}
else
{
var existingLenght = readerBuffer.Payload.Length;
var newPayload = new byte[existingLenght + currentBytesRead];
Buffer.BlockCopy(readerBuffer.Payload, 0, newPayload, 0, existingLenght);
Buffer.BlockCopy(readerBuffer.Buffer, 0, newPayload, 0 + existingLenght, currentBytesRead);
readerBuffer.Payload = newPayload;
}
}
public static async Task <List <IEnvelope> > ReceivePackets(EnvelopeReaderBuffer readerBuffer, Stream stream, CancellationToken ct)
{
var receivedPackets = new List <IEnvelope>();
int currentBytesRead;
NOTLSEnvelope packet;
do
{
currentBytesRead = await stream.ReadAsync(readerBuffer.Buffer, 0, readerBuffer.Buffer.Length, ct);
NOTLSEnvelopeExtensions.UpdatePayload(currentBytesRead, readerBuffer);
packet = NOTLSEnvelopeExtensions.TryTakeOnePacket(ref readerBuffer.Payload);
if (packet != null)
{
receivedPackets.Add(packet);
}
} while (currentBytesRead > 0 && (packet == null || readerBuffer.Payload != null));
return(receivedPackets);
}
