html/currentjson.php

   1 <?php
   2
   3 require_once("config.php");
   4 require_once("ampy.inc.php");
   5
   6 ampy_flush_rrd_daemon();
   7
   8 $info=rrd_lastupdate(RRDFILE);
   9 if ($info === FALSE)
  10         $result=[
  11                 'last_update' => 'unknown',
  12                 'watts' => 'unknown',
  13                 'error' => rrd_error(),
  14         ];
  15 else
  16         $result=[
  17                 'last_update' => $info['last_update'],
  18                 'watts' => (double)$info['data'][0]
  19         ];
  20
  21 $result['counter'] = ampy_get_counter();
  22
  23 header("Content-Type: text/json");
  24 echo(json_encode($result));
  25 ?>