merge #2108

src/ESP32React/IPUtils.h

@@ -0,0 +1,22 @@
+#ifndef IPUtils_h
+#define IPUtils_h
+
+#include <IPAddress.h>
+
+class IPUtils {
+  public:
+    static bool isSet(const IPAddress & ip) {
+        return ip != getNotSetIP();
+    }
+    static bool isNotSet(const IPAddress & ip) {
+        return ip == getNotSetIP();
+    }
+
+  private:
+    static const IPAddress & getNotSetIP() {
+        static const IPAddress IP_NOT_SET = IPAddress(INADDR_NONE);
+        return IP_NOT_SET;
+    }
+};
+
+#endif