Subj : Re: Synchronet Javascript and reading XML
To : echicken
From : KenDB3
Date : Sat Jul 30 2016 01:01 am
> > I notice in the IRC bot code that you can get banned for hitting the web
> > page too often.
> Yes, this is something that I recall hearing about in the past. I guess you
> get x number of hits per day.
>
> > Would there be a way to bring in the XML data without an HTTPRequest from
> > a local file? Say
> Sure. I would do something like this:
> load('http.js');
> var url = '
http://www.hamqsl.com/solarxml.php';
> var file = system.data_dir + 'solardata.xml';
> var age = 43200; // Seconds
> // Fetch data via HTTP and write to file specified above
> function getSolarData() {
> var sd = (new HTTPRequest()).Get(url);
> var f = new File(file);
> f.open('w');
> f.write(sd);
> f.close();
> }
> // Read data from local file and return parsed XML object
> function readSolarData() {
> var f = new File(file);
> f.open('r');
> var sd = new XML(f.read().replace(/<\?[^?]*\?>/g, ''));
> f.close();
> return sd;
> }
> // Fetch new data if local file timestamp less than file age specified above
> if (!file_exists(file) || time() - file_utime(file) > 43200) getSolarData();
> // Read the current data on hand
> var sd = readSolarData();
> // Now start printing out that fascinating solar data and your happy/sad sun
> face
> It would be worth throwing in some try ... catch blocks somewhere in there,
> because the HTTP load or XML parsing portions may fail for a variety of
> reasons.
> You could also move the data-fetching part into a separate script and run it
> on a schedule once, twice, or however many times per day that you want, then
> the user facing script just loads whatever data is in the file that the
> other script writes to.
Thanks again EC, it is much appreciated. :-)
~KenDB3
