Wed, 03 Jun 2020 21:02:57 +0200
Fixed missing light_state commands for the webcam.
<?php require_once('config.php'); if (isset($_GET["code"])) $code = $_GET["code"] . ' ' . $_GET["name"]; else $code = "CB0080 Op stoom"; $filename = 'log/co2pressure/' . $code . '.log'; if (! file_exists($filename)) { header("Content-type: application/json"); echo '{}'; exit; } /* * From Stackoverflow, the fastest way to count the lines in a file. */ $file = new \SplFileObject($filename, 'r'); $file->seek(PHP_INT_MAX); define ('MAX_INTERVALS', 10); $GRAPH_INTERVAL = array ( 0, 1, 5, 15, 30, 60, 120, 240, 480, 720 ); $GRAPH_DATALINES = array ( 0, 800, 3200, 12000, 24000, 48000, 96000, 192000, 384000, 768000 ); for ($graphstep = 1; $graphstep <= MAX_INTERVALS; $graphstep++) { if ($file->key() < $GRAPH_DATALINES[$graphstep]) break; } if ($graphstep > MAX_INTERVALS) $graphstep = MAX_INTERVALS; /* * 2014-11-15 18:39:12,TEMPERATURE,PRESSURE,UUID * | | | | * datetime + | | | * temperature ------------+ | | * pressure --------------------------+ | * unit uuid --------------------------------+ */ $handle = @fopen($filename, "r"); if ($handle) { $lines = 0; while (($buffer = fgets($handle, 4096)) !== false) { $buffer = preg_replace( "/\r|\n/", "", $buffer); $row = explode(",", $buffer); $hr = intval(substr($buffer, 11, 2)); if ((($graphstep == 1)) || (($graphstep == 2) && ((substr($buffer, 15, 1) == '0') || (substr($buffer, 15, 1) == '5'))) || (($graphstep == 3) && ((substr($buffer, 14, 2) == '00') || (substr($buffer, 14, 2) == '15') || (substr($buffer, 14, 2) == '30') || (substr($buffer, 14, 2) == '45'))) || (($graphstep == 4) && ((substr($buffer, 14, 2) == '00') || (substr($buffer, 14, 2) == '30'))) || (($graphstep == 5) && (substr($buffer, 14, 2) == '00')) || (($graphstep == 6) && (substr($buffer, 14, 2) == '00') && (($hr % 2) == 0)) || (($graphstep == 7) && (substr($buffer, 14, 2) == '00') && (($hr % 4) == 0)) || (($graphstep == 8) && (substr($buffer, 14, 2) == '00') && (($hr % 8) == 0)) || (($graphstep == 9) && (substr($buffer, 14, 2) == '00') && (($hr % 12) == 0))) { $lines++; $logs[] = array( 'date' => $row[0], 'temperature' => $row[1], 'pressure' => $row[2] ); } } if (!feof($handle)) { echo "Error: unexpected fgets() fail\n"; } fclose($handle); } header("Content-type: application/json"); echo json_encode($logs);