www/getispindellog.php

Mon, 18 May 2020 11:00:59 +0200

author
Michiel Broek <mbroek@mbse.eu>
date
Mon, 18 May 2020 11:00:59 +0200
changeset 679
48f8f3fce7c0
parent 627
f1a7c14d5601
child 837
b5e2ff72cc73
permissions
-rw-r--r--

Added reconnecting-websocket.js to automatic reconnect the websocket if the connection is lost. Usefull for mobile devices that go to sleep after a while. Changed mon_fermenters to use websockets instead of polling. Fixed wrong temperature color ranges on the fermenter monior. Increased the websocket receive buffer to 2048. In cannot overflow, but larger messages are chunked and the application does not handle these split messages. Needs termferm 0.9.9 or newer.

<?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);

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