bwmon/http.py

   1 # -*- coding: utf-8 -*-
   2
   3 from __future__ import absolute_import
   4
   5 import BaseHTTPServer
   6
   7 import os
   8
   9 JS = open(os.path.join(os.path.dirname(__file__) or '.', '..', 'all.js')).read()
  10
  11 HTML = """
  12         <script type="text/javascript">
  13             window.onload = function() {
  14                 var paper = new Raphael(0, 0, 640, 480);
  15                 paper.g.linechart(0, 0, 640, 480, %s, %s);
  16             }
  17         </script>
  18     </head>
  19     <body>
  20     </body>
  21 </html>
  22 """
  23
  24 class RequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
  25     """HTTP Request handler (returns monitoring data)
  26
  27     This is a simple request handler used by the built-in
  28     HTTP server to visualize the monitoring data.
  29     """
  30     monitor = None
  31
  32     def do_GET(self):
  33         """Handler for HTTP GET requests
  34         """
  35         self.send_response(200)
  36         self.send_header('Content-type', 'text/html')
  37         self.send_header('Refresh', '5')
  38         self.end_headers()
  39
  40         x, yy = self.monitor.get_datapoints()
  41
  42         self.wfile.write('<html><head><script type="text/javascript">')
  43         self.wfile.write(JS)
  44         self.wfile.write('</script>')
  45         self.wfile.write(HTML % (repr(x), repr(yy)))
  46
  47 #server = BaseHTTPServer.HTTPServer(('', 8000), RequestHandler)
  48 #while True:
  49 #    server.handle_request()
  50