mirror of
https://github.com/libp2p/go-libp2p.git
synced 2025-10-31 03:46:35 +08:00
68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/fd/go-nat"
|
|
)
|
|
|
|
func main() {
|
|
nat, err := nat.DiscoverGateway()
|
|
if err != nil {
|
|
log.Fatalf("error: %s", err)
|
|
}
|
|
log.Printf("nat type: %s", nat.Type())
|
|
|
|
daddr, err := nat.GetDeviceAddress()
|
|
if err != nil {
|
|
log.Fatalf("error: %s", err)
|
|
}
|
|
log.Printf("device address: %s", daddr)
|
|
|
|
iaddr, err := nat.GetInternalAddress()
|
|
if err != nil {
|
|
log.Fatalf("error: %s", err)
|
|
}
|
|
log.Printf("internal address: %s", iaddr)
|
|
|
|
eaddr, err := nat.GetExternalAddress()
|
|
if err != nil {
|
|
log.Fatalf("error: %s", err)
|
|
}
|
|
log.Printf("external address: %s", eaddr)
|
|
|
|
eport, err := nat.AddPortMapping("tcp", 3080, "http", 60)
|
|
if err != nil {
|
|
log.Fatalf("error: %s", err)
|
|
}
|
|
|
|
log.Printf("test-page: http://%s:%d/", eaddr, eport)
|
|
|
|
go func() {
|
|
for {
|
|
time.Sleep(30 * time.Second)
|
|
|
|
_, err = nat.AddPortMapping("tcp", 3080, "http", 60)
|
|
if err != nil {
|
|
log.Fatalf("error: %s", err)
|
|
}
|
|
}
|
|
}()
|
|
|
|
defer nat.DeletePortMapping("txp", 3080)
|
|
|
|
http.ListenAndServe(":3080", http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
|
|
rw.Header().Set("Content-Type", "text/plain")
|
|
rw.WriteHeader(200)
|
|
fmt.Fprintf(rw, "Hello there!\n")
|
|
fmt.Fprintf(rw, "nat type: %s\n", nat.Type())
|
|
fmt.Fprintf(rw, "device address: %s\n", daddr)
|
|
fmt.Fprintf(rw, "internal address: %s\n", iaddr)
|
|
fmt.Fprintf(rw, "external address: %s\n", eaddr)
|
|
fmt.Fprintf(rw, "test-page: http://%s:%d/\n", eaddr, eport)
|
|
}))
|
|
}
|