udp

type ID [8]byte

type Packet struct {
	SrcIP   net.IP
	SrcPort uint16
	DstIP   net.IP
	DstPort uint16

	PayloadSize uint
	Payload     Payload
}

type Payload struct {
	// Chosen by the sender, kept the same for all consecutive packets in the same sequence.
	// The receiver requires this to be unique per sender for reliable sequence tracking.
	// Required since a sender may transmit from different randomized source addresses, possibly overlapping with other senders.
	ID ID

	// The sender sends packets with consective sequence numbers, starting from zero.
	// Used by the sender to count received/missed/reordered packets, per ID.
	Seq uint64
}

type RandPort struct {
	// contains filtered or unexported fields
}

type RateClock struct {
	// contains filtered or unexported fields
}

type RateStats struct {
	SleepDuration time.Duration // total time slept
	UnderrunCount uint          // count of timing underruns (no sleep)
	Count         uint          // count of timing ticks
}

type Recv struct {
	// contains filtered or unexported fields
}

type RecvConfig struct {
	ListenAddr string `long:"listen-addr" default:"0.0.0.0:1337"`
}

type RecvState struct {
	// contains filtered or unexported fields
}

type RecvStats struct {
	ID       ID            // from recv ID
	Time     time.Time     // stats were init/reset
	Duration time.Duration // stats were collected

	PacketTime   time.Time // time of most recent packet
	PacketStart  uint64    // stats for packets following this seq (non-inclusive)
	PacketSeq    uint64    // most recent packet
	PacketSize   uint      // total size of received packets
	PacketErrors uint      // invalid packets
	PacketCount  uint      // in-sequence packets
	PacketSkips  uint      // skipped in-sequence packets
	PacketDups   uint      // out-of-sequence packets
}

type Send struct {
	// contains filtered or unexported fields
}

type SendConfig struct {
	DestAddr       string `long:"dest-addr" value-name:"HOST:PORT" description:"Fixed destination address" required:"yes"`
	SourceNet      string `long:"source-net" value-name:"HOST/MASK" description:"Use raw IP socket with given randomized range of source addresses"`
	SourcePort     uint   `long:"source-port" value-name:"0-65535" description:"Use raw IP socket with given randomized source port"`
	SourcePortBits uint   `long:"source-port-bits" value-name:"0-16" description:"Randomize low-order bits of source-port"`

	ID    string `json:"id" long:"id"`       // 64-bit hex ID, or random
	Rate  uint   `json:"rate" long:"rate"`   // 0 - unrated
	Count uint   `json:"count" long:"count"` // 0 - infinite
	Size  uint   `json:"size" long:"size"`   // target size of UDP payload
}

type SendStats struct {
	ID    ID        // send id, to correlated with RecvStats
	Start time.Time // stats were reset
	Time  time.Time // stats were updated

	Config SendConfig
	Rate   RateStats
	Send   SockStats // Send.Bytes includes IP+UDP+Payload
}

type SerializableNetworkLayer interface {
	gopacket.NetworkLayer
	gopacket.SerializableLayer
}

type SockIP struct {
	// contains filtered or unexported fields
}

type SockRecv interface {
	// contains filtered or unexported methods
}

type SockSend interface {
	// contains filtered or unexported methods
}

type SockStats struct {
	Errors  uint
	Packets uint
	Bytes   uint // only includes Payload
}

type SockSyscall struct {
	// contains filtered or unexported fields
}

type SockUDP struct {
	// contains filtered or unexported fields
}