Change mDNS record to note TLS support. (#55)

Author: mrstegeman

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.mozilla.iot</groupId>
     <artifactId>webthing</artifactId>
-    <version>0.12.2</version>
+    <version>0.12.3</version>
 
     <name>WebThing</name>
     <description>Implementation of an HTTP Web Thing.</description>
@@ -73,7 +73,7 @@
         <dependency>
             <groupId>org.json</groupId>
             <artifactId>json</artifactId>
-            <version>20190722</version>
+            <version>20200518</version>
         </dependency>
         <dependency>
             <groupId>org.nanohttpd</groupId>

src/main/java/org/mozilla/iot/webthing/WebThingServer.java

@@ -12,6 +12,7 @@
 import java.net.InetAddress;
 import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Timer;
@@ -293,11 +294,20 @@ public void start(boolean daemon) throws IOException {
         this.hosts.add(systemHostname);
         this.hosts.add(String.format("%s:%d", systemHostname, this.port));
 
+        Map txt = new HashMap();
+        txt.put("path", "/");
+
+        if (this.isTls) {
+            txt.put("tls", "1");
+        }
+
         ServiceInfo serviceInfo = ServiceInfo.create("_webthing._tcp.local",
                                                      this.name,
                                                      null,
                                                      this.port,
-                                                     "path=/");
+                                                     0,
+                                                     0,
+                                                     txt);
         this.jmdns.registerService(serviceInfo);
 
         super.start(this.SOCKET_READ_TIMEOUT, daemon);