Fix mDNS on Ethernet port.

Author: mrstegeman

EthernetWebThingAdapter.h

@@ -93,9 +93,11 @@ class WebThingAdapter {
   void begin() {
     name.toLowerCase();
 #ifdef CONFIG_MDNS
+    String serviceName = name + "._webthing";
     mdns.begin(Ethernet.localIP(), name.c_str());
-
-    mdns.addServiceRecord("_webthing", port, MDNSServiceTCP, "\x06path=/");
+    // \x06 is the length of the record
+    mdns.addServiceRecord(serviceName.c_str(), port, MDNSServiceTCP,
+                          "\x06path=/");
 #endif
     server.begin();
   }

WiFi101WebThingAdapter.h

@@ -22,6 +22,7 @@
 
 #include <WiFiUdp.h>
 #include <ArduinoMDNS.h>
+
 #include <ArduinoJson.h>
 
 #define WITHOUT_WS 1
@@ -81,9 +82,11 @@ class WebThingAdapter {
   void begin() {
     name.toLowerCase();
 
+    String serviceName = name + "._webthing";
     mdns.begin(WiFi.localIP(), name.c_str());
-
-    mdns.addServiceRecord("_webthing", port, MDNSServiceTCP, "\x06path=/");
+    // \x06 is the length of the record
+    mdns.addServiceRecord(serviceName.c_str(), port, MDNSServiceTCP,
+                          "\x06path=/");
 
     server.begin();
   }

library.json

@@ -2,7 +2,7 @@
     "name": "webthing-arduino",
     "description": "A library for creating Web Things using the Web of Things API. Runs on ESP8266, ESP32, Ethernet, and WiFi101-compatible boards. Compatible with the Mozilla WebThings Gateway.",
     "keywords": "Communication",
-    "version": "0.11.0",
+    "version": "0.11.1",
     "authors": {
         "name": "Mozilla IoT <[email protected]>"
     },

library.properties

@@ -1,5 +1,5 @@
 name=webthing-arduino
-version=0.11.0
+version=0.11.1
 author=Mozilla IoT <[email protected]>
 maintainer=James Hobin <[email protected]>
 sentence=A library for creating Web Things using the Web of Things API