golang gopacket 라이브러리를 이용한 통신

gopacket : 이더넷 어댑터 설명(dev.Description)명칭으로 ethernet 통신하는 라이브러리이다. 예제 코드 package main import ( "fmt" "log" "net" "strings" "time" "github.com/google/gopacket" "github.com/google/gopacket/layers" "github.com/google/gopacket/pcap" ) var ( device string = "Realtek PCIe GbE Family Controller" eth_name string currentIP string snapshot_len int32 = 1522 promiscuous bool = false err error timeout time.Duration = 30 * time.Second handle *pcap.Handle buffer gopacket.SerializeBuffer options gopacket.SerializeOptions ) func main() { devices, err := pcap.FindAllDevs() if err !