function HTMLCallback(event) % HTMLCallback - Callback called by modelit.webserver.Server object for generating a % HTML response. % % CALL: % HTMLCallback(event) % % INPUT: % event: <modelit.webserver.HttpExchange> % with the request data and methods to generate a response. % % OUTPUT: % No output, a response with an HTML text is return to the client. % % EXAMPLE: % server = modelit.web.server.Server('localhost', 8081, @HTMLCallback).start() % % % Open a webbrowser and type: http://localhost:8081 in the address bar % % Now an html message appears in the browser. % Copyright 2020 Modelit, www.modelit.nl % Generate the response using the event send by the server response = HTML(event); % Set the MIME type % See https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types % Allow Cross Origin Resource Sharing event.addResponseHeader('Content-Type', 'text/html',... 'Access-Control-Allow-Origin', '*'); % Send the response back to the client, with statuscode 200 (OK) % See https://developer.mozilla.org/en-US/docs/Web/HTTP/Status event.send(200, response); %__________________________________________________________________________ function text = HTML(event) % HTML - Make a simple HTML string using the HttpExchange methods % % CALL: % text = HTML(event) % % INPUT: % event: % <modelit.web.server.HttpExchange> with request details and methods % to send the response back to the client. % % OUTPUT: % text: % <string> with an html string text = {'<html><center>' sprintf('<h1>%s</h1>',datestr(now)) sprintf('<h2>Method: HTTP-%s</h2>',event.getRequestMethod) sprintf('<h2>Query: %s%s</h2>', event.getPath, urldecode_utf(event.getQueryString)) %this file requires ##urldecode_utf## sprintf('<h2>From: %s</h2>',event.getRemoteAddress) sprintf('<h2>To: %s</h2>',event.getLocalAddress) '</center></html>'}; text = [text{:}];