/// <summary>
/// Read just this level from the stream.
/// </summary>
private static void ReadPacket(Stream stream, out NetworkMessageTypeCode typeCode, out Version version, out int length)
{
int rawTypeCode;
BinarySerializer.DeserializeValue(stream, out rawTypeCode);
typeCode = (NetworkMessageTypeCode)rawTypeCode;
//we serialize version as major/minor
int majorVer, minorVer;
BinarySerializer.DeserializeValue(stream, out majorVer);
BinarySerializer.DeserializeValue(stream, out minorVer);
version = new Version(majorVer, minorVer);
BinarySerializer.DeserializeValue(stream, out length);
}
/// <summary>
/// Peek at the byte data and see if there's a full packet header
/// </summary>
/// <param name="stream">The raw data</param>
/// <param name="packetLength">The length of the packet</param>
/// <param name="typeCode">The type of the packet</param>
/// <param name="version">The schema of the packet</param>
/// <returns>True if the header could be read, false if there wasn't enough data</returns>
public static bool ReadHeader(Stream stream, out int packetLength, out NetworkMessageTypeCode typeCode, out Version version)
{
if ((stream.Length - stream.Position) >= BasePacketLength)
{
long originalPosition = stream.Position;
ReadPacket(stream, out typeCode, out version, out packetLength);
stream.Position = originalPosition;
return(true);
}
else
{
packetLength = 0;
typeCode = 0;
version = null;
return(false);
}
}
