/
packet.go
58 lines (52 loc) · 1.14 KB
/
packet.go
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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
// +gen linkedlist
type Packet struct {
PacketNumber protocol.PacketNumber
Frames []wire.Frame
Length protocol.ByteCount
EncryptionLevel protocol.EncryptionLevel
SendTime time.Time
}
// GetFramesForRetransmission gets all the frames for retransmission
func (p *Packet) GetFramesForRetransmission() []wire.Frame {
var fs []wire.Frame
for _, frame := range p.Frames {
switch frame.(type) {
case *wire.AckFrame:
continue
case *wire.StopWaitingFrame:
continue
}
fs = append(fs, frame)
}
return fs
}
func (p *Packet) IsRetransmittable() bool {
for _, f := range p.Frames {
switch f.(type) {
case *wire.StreamFrame:
return true
case *wire.RstStreamFrame:
return true
case *wire.WindowUpdateFrame:
return true
case *wire.BlockedFrame:
return true
case *wire.PingFrame:
return true
case *wire.GoawayFrame:
return true
case *wire.AddAddressFrame:
return true
case *wire.PathsFrame:
return true
}
}
return false
}