network.cpp: have 2nd ip-api fallback site

Author: dingo35

SmartEVSE-3/src/network.cpp

@@ -669,16 +669,16 @@ void setTimeZone(void * parameter) {
     };
     // lookup current timezone
     httpClient.setFollowRedirects(HTTPC_STRICT_FOLLOW_REDIRECTS);
-    httpClient.begin("http://worldtimeapi.org/api/ip");
-    int httpCode, i;
-    for (i=0; i<15; i++) {
+    String host[2] = { "http://worldtimeapi.org/api/ip", "http://ip-api.com/json"};
+    int httpCode;
+    for (int i=0; i<15; i++) {
+        httpClient.begin(host[i%2]);
         httpCode = httpClient.GET();  //Make the request
         // only handle 200/301, fail on everything else
         if ( httpCode != HTTP_CODE_OK && httpCode != HTTP_CODE_MOVED_PERMANENTLY ) { //fail
-            //httpClient.end();
-            _LOG_A("Error on HTTP request (httpCode=%i), try=%i.\n", httpCode, i);
+            httpClient.end();
+            _LOG_A("Error on HTTP request (httpCode=%i), host=%s, try=%i.\n", httpCode, host[i%2].c_str(), i);
             delay(1000);
-            //httpClient.begin("http://worldtimeapi.org/api/ip");
         } else {
             break;
         }