mirror of
https://github.com/impact-eintr/netstack.git
synced 2025-10-06 21:32:59 +08:00
33 lines
686 B
Go
33 lines
686 B
Go
package main
|
|
|
|
import (
|
|
"log"
|
|
"netstack/tcpip/link/rawfile"
|
|
"netstack/tcpip/link/tuntap"
|
|
)
|
|
|
|
func main() {
|
|
tapName := "tap0"
|
|
c := &tuntap.Config{Name: tapName, Mode: tuntap.TAP}
|
|
fd, err := tuntap.NewNetDev(c)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
// 启动tap网卡
|
|
_ = tuntap.SetLinkUp(tapName)
|
|
//_ = tuntap.AddIP(tapName, "192.168.1.1/24")
|
|
_ = tuntap.SetRoute(tapName, "192.168.1.0/24") // 其实在链路层通信，是可以不需要 ip 地址的
|
|
log.Println("启动tap网卡", tapName, "192.169.1.1/24")
|
|
|
|
buf := make([]byte, 1<<16)
|
|
for {
|
|
rn, err := rawfile.BlockingRead(fd, buf)
|
|
if err != nil {
|
|
log.Println(err)
|
|
continue
|
|
}
|
|
log.Printf("read %d bytes", rn)
|
|
}
|
|
}
|