protected bool ReadCommand(ref TCommands aCommand, byte[] aFixedCommandPart, TByteBuffer aPayload, byte[] aPayloadCheck)
{
int NumBytesRead = FNetStream.Read(aFixedCommandPart, 0, aFixedCommandPart.Length);
if (NumBytesRead > 0)
{
while (BitConverter.ToInt64(aFixedCommandPart, 0) != MagicBytesInt64)
{
Array.Copy(aFixedCommandPart, 1, aFixedCommandPart, 0, aFixedCommandPart.Length - 1);
int rbr = FNetStream.ReadByte();
if (rbr != -1)
aFixedCommandPart[aFixedCommandPart.Length - 1] = (byte)rbr; // skipped bytes because of invalid magic in read command
else
return false; // error, no valid connection
}
// we found the magic in the stream
aCommand = (TCommands)BitConverter.ToInt32(aFixedCommandPart, MagicBytes.Length);
Int32 PayloadSize = BitConverter.ToInt32(aFixedCommandPart, MagicBytes.Length + sizeof(Int32));
if (PayloadSize <= MaxPayloadSize)
{
aPayload.Clear(PayloadSize);
if (PayloadSize > 0)
{
int Len = ReadBytesFromNetStream(aPayload);
if (Len == aPayload.Length)
{
NumBytesRead = FNetStream.Read(aPayloadCheck, 0, aPayloadCheck.Length);
return NumBytesRead == aPayloadCheck.Length && BitConverter.ToInt32(aPayloadCheck, 0) == CheckStringMagic;
}
else
return false; // error, payload size mismatch
}
else
return true; // ok, no payload
}
else
return false; // error, payload is over max size
}
else
return false; // error, no valid connection
}
