Files
core/udt/packet/packet_ack2.go
Kleissner 75e3d9a42e Initial UDT implementation for file transfer.
New function RequestFileTransferUDT to download files from other peers.
2021-10-24 04:26:30 +02:00

25 lines
660 B
Go

package packet
// Structure of packets and functions for writing/reading them
// Ack2Packet is a UDT packet acknowledging receipt of an ACK packet
type Ack2Packet struct {
ctrlHeader
AckSeqNo uint32 // ACK sequence number
}
// WriteTo writes this packet to the provided buffer, returning the length of the packet
func (p *Ack2Packet) WriteTo(buf []byte) (uint, error) {
return p.writeHdrTo(buf, ptAck2, p.AckSeqNo)
}
func (p *Ack2Packet) readFrom(data []byte) (err error) {
p.AckSeqNo, err = p.readHdrFrom(data)
return
}
// PacketType returns the packetType associated with this packet
func (p *Ack2Packet) PacketType() PacketType {
return ptAck2
}