Friendly formats for getDHT, getSessions, setTunTap etc

src/yggdrasil/admin.go

@@ -136,7 +136,7 @@ func (a *admin) init(c *Core, listenaddr string) {
 	a.addHandler("getTunTap", []string{}, func(in admin_info) (r admin_info, e error) {
 		defer func() {
 			recover()
-			r = admin_info{ "tuntap": admin_info{ "none": admin_info{ } } }
+			r = admin_info{"none": admin_info{}}
 			e = nil
 		}()
 
@@ -278,7 +278,7 @@ func (a *admin) handleRequest(conn net.Conn) {
 					if _, ok := recv[arg]; !ok {
 						send = admin_info{
 							"status":    "error",
-							"error":     "Expected field missing",
+							"error":     "Expected field missing: " + arg,
 							"expecting": arg,
 						}
 						break handlers

yggdrasilctl.go

@@ -61,7 +61,7 @@ func main() {
 	if err := decoder.Decode(&recv); err == nil {
 		if recv["status"] == "error" {
 			if err, ok := recv["error"]; ok {
-				fmt.Println(err)
+				fmt.Println("Error:", err)
 			} else {
 				fmt.Println("Unspecified error occured")
 			}
@@ -77,16 +77,11 @@ func main() {
 		}
 		req := recv["request"].(map[string]interface{})
 		res := recv["response"].(map[string]interface{})
-		defer func() {
-			recover()
-			if json, err := json.MarshalIndent(recv["response"], "", "  "); err == nil {
-				fmt.Println(string(json))
-			}
-		}()
+
 		switch req["request"] {
 		case "dot":
 			fmt.Println(res["dot"])
-		default:
+		case "help", "getPeers", "getSwitchPeers", "getDHT", "getSessions":
 			maxWidths := make(map[string]int)
 			var keyOrder []string
 			keysOrdered := false
@@ -129,7 +124,20 @@ func main() {
 					fmt.Println()
 				}
 			}
-
+		case "getTunTap", "setTunTap":
+			for k, v := range res {
+				fmt.Println("Interface name:", k)
+				if mtu, ok := v.(map[string]interface{})["mtu"].(float64); ok {
+					fmt.Println("Interface MTU:", mtu)
+				}
+				if tap_mode, ok := v.(map[string]interface{})["tap_mode"].(bool); ok {
+					fmt.Println("TAP mode:", tap_mode)
+				}
+			}
+		default:
+			if json, err := json.MarshalIndent(recv["response"], "", "  "); err == nil {
+				fmt.Println(string(json))
+			}
 		}
 	}