tracer

type BPFMapName string

type Callback interface {
	LostV4(uint64)
	LostV6(uint64)
}

type Config struct {
	// CollectTCPConns specifies whether the tracer should collect traffic statistics for TCP connections
	CollectTCPConns bool

	// CollectUDPConns specifies whether the tracer should collect traffic statistics for UDP connections
	CollectUDPConns bool

	// CollectIPv6Conns specifics whether the tracer should capture traffic for IPv6 TCP/UDP connections
	CollectIPv6Conns bool

	// UDPConnTimeout determines the length of traffic inactivity between two (IP, port)-pairs before declaring a UDP
	// connection as inactive.
	// Note: As UDP traffic is technically "connection-less", for tracking, we consider a UDP connection to be traffic
	//       between a source and destination IP and port.
	UDPConnTimeout time.Duration

	// TCPConnTimeout is like UDPConnTimeout, but for TCP connections. TCP connections are cleared when
	// the BPF module receives a tcp_close call, but TCP connections also age out to catch cases where
	// tcp_close is not intercepted for some reason.
	TCPConnTimeout time.Duration
}

type ConnectionFamily uint8

type ConnectionStats struct {
	Pid    uint32           `json:"pid"`
	Type   ConnectionType   `json:"type"`
	Family ConnectionFamily `json:"family"`

	// Source & Dest represented as a string to handle both IPv4 & IPv6
	Source string `json:"source"`
	Dest   string `json:"dest"`
	SPort  uint16 `json:"sport"`
	DPort  uint16 `json:"dport"`

	SendBytes uint64 `json:"send_bytes"`
	RecvBytes uint64 `json:"recv_bytes"`
}

type ConnectionType uint8

type Connections struct {
	Conns []ConnectionStats `json:"connections"`
}

type KProbeName string

type Tracer struct{}