XIG URL Checker

checker.ino

String check(String URL) {
  String response = "";
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(URL);
  XBee.println(URL);
  requestTime = millis();
  while ((XBee.available() == 0) && (millis() - requestTime < responseTimeout))
  {
    //wait here until we hear something back or timeout
  }
  if (XBee.available()) { // if we received a response: 
       Serial.print("Server response: ");
       int i = 0;
       do {
         char c = XBee.read();
         Serial.print(c);
         response += c;
         i++;
         delay(1);
       } while (XBee.available());
    }
    else { // we timed out:
      Serial.println("\nFailed to get a response.");
      response = "ERR";
      XBee.println("abort");
      delay(1000);
    }
    Serial.print("\nPassing the value: ");
    Serial.println(response);
    if (response == "ERR"){
     failCount++; 
    }
    else {
     failCount = 0; 
    }
    while (XBee.available()) {
      XBee.read(); //flush anything else.
    }
    
    return response;
}