// fillPacket fill the send packet and write the packet to buffer.
func (parse *BinaryPorotolParse) fillPacket(p *packet, conn *common.Conn) (err error) {
var header []byte = make([]byte, headerLen)
var i int
// fill request header
header[i] = p.magic
i += magicLen
header[i] = p.opcode
i += opcodeLen
binary.BigEndian.PutUint16(header[i:i+keyLen], p.keyLength)
i += keyLen
header[i] = p.extrasLength
i += extrasLen
header[i] = p.dataType
i += dataTypeLen
binary.BigEndian.PutUint16(header[i:i+statusLen], p.statusOrVbucket)
i += statusLen
binary.BigEndian.PutUint32(header[i:i+totalBodyLen], p.totalBodyLength)
i += totalBodyLen
binary.BigEndian.PutUint32(header[i:i+opaqueLen], p.opaque)
i += opaqueLen
binary.BigEndian.PutUint64(header[i:i+casLen], p.cas)
// write content to buffer
_, err = conn.WriteToBuffer(header)
_, err = conn.WriteToBuffer(p.extras)
_, err = conn.WriteToBuffer(p.key)
_, err = conn.WriteToBuffer(p.value)
return
}
