void OnReadDataCallback(IAsyncResult ar)
{
NetworkStream stream = ar.AsyncState as NetworkStream;
try
{
int numBytes = stream.EndRead(ar);
receivedBufferDataSize += numBytes;
while (receivedBufferDataSize >= FrameHeader.StructSize)
{
FrameHeader header = FrameHeader.FromBytes(receivedBuffers[receivedBufferIndex]);
if (header.protocolIdentifier != OVRNetwork.FrameHeaderMagicIdentifier)
{
Debug.LogWarning("[OVRNetworkTcpClient] header mismatch");
Disconnect();
return;
}
if (header.payloadLength < 0 || header.payloadLength > OVRNetwork.MaxPayloadLength)
{
Debug.LogWarningFormat("[OVRNetworkTcpClient] Sanity check failed. PayloadLength %d", header.payloadLength);
Disconnect();
return;
}
if (receivedBufferDataSize >= FrameHeader.StructSize + header.payloadLength)
{
if (payloadReceivedCallback != null)
{
payloadReceivedCallback(header.payloadType, receivedBuffers[receivedBufferIndex], FrameHeader.StructSize, header.payloadLength);
}
// swap receive buffer
int newBufferIndex = 1 - receivedBufferIndex;
int newBufferDataSize = receivedBufferDataSize - (FrameHeader.StructSize + header.payloadLength);
if (newBufferDataSize > 0)
{
Array.Copy(receivedBuffers[receivedBufferIndex], (FrameHeader.StructSize + header.payloadLength), receivedBuffers[newBufferIndex], 0, newBufferDataSize);
}
receivedBufferIndex = newBufferIndex;
receivedBufferDataSize = newBufferDataSize;
}
}
readyReceiveDataEvent.Set();
}
catch (SocketException e)
{
Debug.LogErrorFormat("[OVRNetworkTcpClient] OnReadDataCallback: socket error: {0}", e.Message);
Disconnect();
}
}