mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-22 15:20:30 +00:00
83 lines
1.5 KiB
Go
83 lines
1.5 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net"
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"os/exec"
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"time"
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"github.com/songgao/water"
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)
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const mtu = 65535
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func setup_dev() *water.Interface {
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ifce, err := water.New(water.Config{
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DeviceType: water.TUN,
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})
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if err != nil {
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panic(err)
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}
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return ifce
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}
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func setup_dev1() *water.Interface {
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ifce := setup_dev()
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cmd := exec.Command("ip", "-f", "inet6",
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"addr", "add", "fc00::2/8",
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"dev", ifce.Name())
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out, err := cmd.CombinedOutput()
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if err != nil {
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fmt.Println(string(out))
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panic("Failed to assign address")
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}
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cmd = exec.Command("ip", "link", "set",
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"dev", ifce.Name(),
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"mtu", fmt.Sprintf("%d", mtu),
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"up")
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out, err = cmd.CombinedOutput()
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if err != nil {
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fmt.Println(string(out))
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panic("Failed to bring up interface")
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}
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return ifce
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}
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func connect(ifce *water.Interface) {
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conn, err := net.DialTimeout("tcp", "192.168.2.2:9001", time.Second)
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if err != nil { panic(err) }
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sock := conn.(*net.TCPConn)
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// TODO go a worker to move packets to/from the tun
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}
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func bench() {
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}
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func main() {
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ifce := setup_dev1()
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connect(ifce)
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bench()
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fmt.Println("Done?")
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return
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ifce, err := water.New(water.Config{
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DeviceType: water.TUN,
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})
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if err != nil {
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panic(err)
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}
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log.Printf("Interface Name: %s\n", ifce.Name())
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packet := make([]byte, 2000)
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for {
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n, err := ifce.Read(packet)
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if err != nil {
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panic(err)
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log.Fatal(err)
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}
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log.Printf("Packet Received: % x\n", packet[:n])
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}
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}
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