protocols

type ArcItem struct {
	Ts   int64
	Data []byte
}

type ArcItemArray struct {
	CollectorID   []byte
	CollectorType string
	Items         []ArcItem
}

type ArcItemRaw struct {
	CollectorID   []byte
	CollectorType string
	Ts            int64
	Data          []byte
}

type Coder struct {
	IsCrcCheck bool
}

type CountItem struct {
	CollectorID   []byte
	CollectorType string
	Ts            int64
	Count         int
	Size          int
}

type DataGroup struct {
	Count    byte       //1 segment count
	Sizes    []uint32   //4 each segment size
	STypes   []byte     // segment type
	Segments []ISegment //n data
}

type Frame struct {
	Head      [4]byte   //4 Head 0xFC 0xFC 0xFC 0xFC
	Size      uint32    //4 Package size  [Timestamp, End] = 17+n BigEndian
	Timestamp int64     //8 timestamp ms BigEndian
	ID        [6]byte   //6 machin id (Mac Address)
	DataGroup DataGroup //n data
	Crc       uint16    //2 crc [Timestamp, Data], CRC-16 BigEndian
	End       byte      //1 End 0xFD
}

type IProto interface {
	Encode([]byte) (int, error)
}

type ISegment interface {
	Encode([]byte) (int, error)
	Type() byte
	Size() uint32
	Dump()
}

type SegmentArc struct {
	SType byte //1 segment type
	Data  []byte
}