forked from quic-go/quic-go
/
packet.go
30 lines (25 loc) · 990 Bytes
/
packet.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
package ackhandler
import (
"time"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/wire"
)
// A Packet is a packet
type Packet struct {
PacketNumber protocol.PacketNumber
PacketType protocol.PacketType
Ack *wire.AckFrame
Frames []wire.Frame
Length protocol.ByteCount
EncryptionLevel protocol.EncryptionLevel
SendTime time.Time
largestAcked protocol.PacketNumber // if the packet contains an ACK, the LargestAcked value of that ACK
// There are two reasons why a packet cannot be retransmitted:
// * it was already retransmitted
// * this packet is a retransmission, and we already received an ACK for the original packet
canBeRetransmitted bool
includedInBytesInFlight bool
retransmittedAs []protocol.PacketNumber
isRetransmission bool // we need a separate bool here because 0 is a valid packet number
retransmissionOf protocol.PacketNumber
}