DataBlock WrapSendData(Byte[] data, int length = 0)
{
UInt32 len = (UInt32)(length > 0 ? length : data.Length);
UInt16 cmd = TcpContentHead.COMMON_CMD;
UInt32 seq = nextSeq(_sendSeq);
_sendSeq = seq;
if (!BitConverter.IsLittleEndian)
{
len = len.BigEndianValue();
cmd = cmd.BigEndianValue();
seq = seq.BigEndianValue();
}
// fk
_sendFrameHead[0] = TcpContentHead.STATIC_FRAME_KEY;
// len
_sendFrameHead[1] = (Byte)((len >> 24) & 0xFF);
_sendFrameHead[2] = (Byte)((len >> 16) & 0xFF);
_sendFrameHead[3] = (Byte)((len >> 8) & 0xFF);
_sendFrameHead[4] = (Byte)(len & 0xFF);
// cmd
_sendFrameHead[5] = (Byte)((cmd >> 8) & 0xFF);
_sendFrameHead[6] = (Byte)(cmd & 0xFF);
// seq
_sendFrameHead[7] = (Byte)((seq >> 24) & 0xFF);
_sendFrameHead[8] = (Byte)((seq >> 16) & 0xFF);
_sendFrameHead[9] = (Byte)((seq >> 8) & 0xFF);
_sendFrameHead[10] = (Byte)(seq & 0xFF);
int arrLength = TcpContentHead.HEAD_SIZE + (int)len;
Byte[] newRet = BlockPool.Instance.Alloc(arrLength);
for (int i = 0; i < arrLength; i++)
{
if (i < TcpContentHead.HEAD_SIZE)
{
newRet[i] = _sendFrameHead[i];
}
else
{
newRet[i] = data[i - TcpContentHead.HEAD_SIZE];
}
}
DataBlock db = new DataBlock();
db.data = newRet;
db.length = arrLength;
return(db);
}