Merge pull request #1 from skezo/mdns

fix(#15) add bool to stop calling MDNS.begin on device call

Author: skezo

src/esp8266-google-home-notifier.cpp

@@ -17,9 +17,12 @@ boolean GoogleHomeNotifier::device(const char *name, const char *locale, int to)
 
   if (strcmp(this->m_name, name) != 0) {
     int i = 0;
-    if (!MDNS.begin(hostString)) {
-      this->setLastError("Failed to set up MDNS responder.");
-      return false;
+    if (!this->m_mDNSIsRunning) {
+      if (!MDNS.begin(hostString)) {
+        this->setLastError("Failed to set up MDNS responder.");
+        return false;
+      }
+      this->m_mDNSIsRunning = true;
     }
     do {
       n = MDNS.queryService("googlecast", "tcp");

src/esp8266-google-home-notifier.h

@@ -49,6 +49,7 @@ typedef class GoogleHomeNotifier {
   char m_locale[10] = "en";
   char m_name[128] = "";
   char m_lastError[128] = "";
+  bool m_mDNSIsRunning = false;
   static bool encode_string(pb_ostream_t *stream, const pb_field_t *field, void * const *arg);
   static bool decode_string(pb_istream_t *stream, const pb_field_t *field, void **arg);
   boolean connect();