public void DoReadData()
{
MemoryStreamEx stream = bufferStream.GetActivedStream();
int streamLength = (int)stream.Length;
if (streamLength >= MessageConst.MESSAGE_MIN_LENGTH)
{
int startIndex = 0;
while (true)
{
if (!stream.ReadInt(startIndex, out int totalLength))
{
break;
}
totalLength = IPAddress.NetworkToHostOrder(totalLength);
if (streamLength - startIndex < totalLength)
{
break;
}
int offsetIndex = startIndex;
offsetIndex += sizeof(int);
if (!stream.ReadByte(offsetIndex, out byte serialNum))
{
MessageError?.Invoke(MessageErrorCode.Reader_ReadSerialNumberError);
break;
}
if (serialNumber + 1 != serialNum)
{
MessageError?.Invoke(MessageErrorCode.Reader_CompareSerialNumberError);
break;
}
offsetIndex += sizeof(byte);
if (!stream.ReadInt(offsetIndex, out int messageID))
{
MessageError?.Invoke(MessageErrorCode.Reader_ReadMessageIDError);
break;
}
messageID = IPAddress.NetworkToHostOrder(messageID);
offsetIndex += sizeof(int);
if (offsetIndex < totalLength + startIndex)
{
int messageDataLength = totalLength + startIndex - offsetIndex;
byte[] messageDatas = new byte[messageDataLength];
if (stream.Read(messageDatas, 0, messageDataLength) != messageDataLength)
{
MessageError?.Invoke(MessageErrorCode.Reader_CompareMessageDataLengthError);
break;
}
MessageReceived?.Invoke(messageID, messageDatas);
}
else
{
MessageReceived?.Invoke(messageID, null);
}
startIndex += totalLength;
serialNumber = serialNum;
}
bufferStream.MoveStream(startIndex);
}
}
