www/getispindellog.php

<?php

require_once('config.php');

if (isset($_GET["code"]))
	$code = $_GET["code"] . ' ' . $_GET["name"];
else
	$code = "CB0081 Keuls";

$filename = 'log/ispindel/' . $code . '.log';
if (! file_exists($filename)) {
        header("Content-type: application/json");
        echo '{}';
        exit;
}


/*
 * 2014-11-15 18:39:12,TEMPERATURE,PLATO,SG,BATTERY,ANGLE,INVERVAL,UUID
 *          |              |         |    |    |
 * datetime +              |         |    |    |
 * temperature ------------+         |    |    |
 * density plato --------------------+    |    |
 * density sg ----------------------------+    |
 * battery ------------------------------------+
 */
$handle = @fopen($filename, "r");
if ($handle) {
	$lines = 0;
	while (($buffer = fgets($handle, 4096)) !== false) {

		$buffer = preg_replace( "/\r|\n/", "", $buffer);
		$row = explode(",", $buffer);
		$lines++;

		$logs[] = array(
			'date' => $row[0],
			'temperature' => $row[1],
			'plato' => $row[2],
			'sg' => $row[3],
			'battery' => $row[4]
		);
	}
	if (!feof($handle)) {
		echo "Error: unexpected fgets() fail\n";
	}
	fclose($handle);
}
header("Content-type: application/json");
echo json_encode($logs);