ovstrace

type ActionType uint8

type Ethhdr struct {
	Dest   [6]byte
	Source [6]byte
	Proto  [2]byte
}

type Event struct {
	Timestamp uint64     `json:"timestamp"`
	Type      EventType  `json:"type"`
	SubAction ActionType `json:"subaction,omitempty"`
	DevName   string     `json:"devname,omitempty"`
	Hash      uint32     `json:"hash,omitempty"`
	TCP       *TCPInfo   `json:"tcp,omitempty"`
	UDP       *UDPInfo   `json:"udp,omitempty"`
	Protocol  uint8      `json:"protocol,omitempty"`
}

type EventBytes struct {
	Timestamp uint64
	Type      uint8
	SubAction uint8
	DevName   [DevNameMaxSize]byte
	Hash      uint32
	Sport     uint16
	Dport     uint16
	Seq       uint32
	AckSeq    uint32
	TCPFlags  uint8
	Protocol  uint8
	IPVersion uint8
}

type EventType uint8

type Filter struct {
	//Mark     uint32
	Eth      Ethhdr
	EthMask  Ethhdr
	IPv4     IPv4hdr
	IPv4Mask IPv4hdr
	IPv6     IPv6hdr
	IPv6Mask IPv6hdr
	Tcp      Tcphdr
	TcpMask  Tcphdr
	Udp      Udphdr
	UdpMask  Udphdr
	DevName  [DevNameMaxSize]byte
}

type IPv4hdr struct {
	IhlVersion byte
	Tos        byte
	TotLen     [2]byte
	Id         [2]byte
	FragOff    [2]byte
	Ttl        byte
	Protocol   byte
	Check      [2]byte
	Saddr      [4]byte
	Daddr      [4]byte
}

type IPv6hdr struct {
	PrioVersion byte
	FlowLbl     [3]byte
	PayloadLen  [2]byte
	NextHdr     byte
	HopLimit    byte
	Saddr       [16]byte
	Daddr       [16]byte
}

type TCPFlags uint8

type TCPInfo struct {
	Sport  uint16   `json:"sport,omitempty"`
	Dport  uint16   `json:"dport,omitempty"`
	Seq    uint32   `json:"seq,omitempty"`
	AckSeq uint32   `json:"ack_seq,omitempty"`
	Flags  TCPFlags `json:"flags,omitempty"`
}

type Tcphdr struct {
	Source [2]byte
	Dest   [2]byte
	Seq    [4]byte
	AckSeq [4]byte
	Flags  [2]byte
	Window [2]byte
	Check  [2]byte
	UrgPtr [2]byte
}

type UDPInfo struct {
	Sport uint16 `json:"sport,omitempty"`
	Dport uint16 `json:"dport,omitempty"`
}

type Udphdr struct {
	Source [2]byte
	Dest   [2]byte
	Len    [2]byte
	Check  [2]byte
}