update example

bypass/example/http/main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+)
+
+var (
+	port = flag.Int("port", 8000, "The server port")
+)
+
+type bypassRequest struct {
+	Network string `json:"network"`
+	Addr    string `json:"addr"`
+	Host    string `json:"host"`
+	Client  string `json:"client"`
+}
+
+type bypassResponse struct {
+	OK bool `json:"ok"`
+}
+
+func main() {
+	flag.Parse()
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
+	if err != nil {
+		log.Fatalf("failed to listen: %v", err)
+	}
+	log.Printf("server listening at %v", lis.Addr())
+
+	http.HandleFunc("/bypass", func(w http.ResponseWriter, r *http.Request) {
+		rb := bypassRequest{}
+		if err := json.NewDecoder(r.Body).Decode(&rb); err != nil {
+			log.Println(err)
+			w.WriteHeader(http.StatusBadRequest)
+			return
+		}
+
+		resp := bypassResponse{
+			OK: true,
+		}
+
+		log.Printf("bypass: client=%s network=%s, addr=%s, host=%s", rb.Client, rb.Network, rb.Addr, rb.Host)
+
+		json.NewEncoder(w).Encode(resp)
+	})
+
+	if err := http.Serve(lis, nil); err != nil {
+		log.Fatalf("failed to serve: %v", err)
+	}
+}

hop/example/http/main.go

@@ -77,7 +77,7 @@ func main() {
 			w.WriteHeader(http.StatusBadRequest)
 			return
 		}
-		log.Printf("hop: %s %s %s %s", rb.Network, rb.Addr, rb.Host, rb.Client)
+		log.Printf("hop: network=%s addr=%s host=%s client=%s", rb.Network, rb.Addr, rb.Host, rb.Client)
 
 		node := nodes[counter.Add(1)%uint64(len(nodes))]
 		v, _ := json.Marshal(node)