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package ackhandler
import "fmt"
// The SendMode says what kind of packets can be sent.
type SendMode uint8
const (
// SendNone means that no packets should be sent
SendNone SendMode = iota
// SendAck means an ACK-only packet should be sent
SendAck
// SendPTOInitial means that an Initial probe packet should be sent
SendPTOInitial
// SendPTOHandshake means that a Handshake probe packet should be sent
SendPTOHandshake
// SendPTOAppData means that an Application data probe packet should be sent
SendPTOAppData
// SendPacingLimited means that the pacer doesn't allow sending of a packet right now,
// but will do in a little while.
// The timestamp when sending is allowed again can be obtained via the SentPacketHandler.TimeUntilSend.
SendPacingLimited
// SendAny means that any packet should be sent
SendAny
)
func (s SendMode) String() string {
switch s {
case SendNone:
return "none"
case SendAck:
return "ack"
case SendPTOInitial:
return "pto (Initial)"
case SendPTOHandshake:
return "pto (Handshake)"
case SendPTOAppData:
return "pto (Application Data)"
case SendAny:
return "any"
case SendPacingLimited:
return "pacing limited"
default:
return fmt.Sprintf("invalid send mode: %d", s)
}
}
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