main.dart

void main() { 
  List<String> robotUrls = getUrls();
  for(var robotUrl in robotUrls)
  {
    var wsUrl =  robotUrl.replaceAll('ws://','wss://');
    initialRequest(wsUrl);
  }
}

List<String> getUrls()
{
  //make http call to get ws Urls
  return ['ws://faith', 'ws://soul', 'ws://brett'];
}

initialRequest(String url)
{
  print('//connecting to $url');
  print('//waiting to open $url');
  //sending subscribe operation
  //listening to message
  
  var data = "b\$GPRMC,171245.00,A,4500.032709,N,09316.210477,W,0.0,138.9,210622,0.8,E,A,V*53\\r\\n";
  var info = data.split(',');
  print(info[1]);
}