[PROBLEM] [PROBLEM] 9.x: MPD crashing ad-hoc / stops playing

[the_bertrum]

I guess you're in the UK (given the time diff)?
Can you please drop your php fle in a code block? I'll do the test again.

Code:

#!/usr/bin/php
<?php
/*
* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright 2014 The moOde audio player project / Tim Curtis
*/

require_once __DIR__ . '/../inc/common.php';
require_once __DIR__ . '/../inc/session.php';
require_once __DIR__ . '/../inc/sql.php';

if (isset($argv[1])) {
    $opt = explode(',', $argv[1]);
    $sleepInterval = $opt[0];
    $resumePlay = $opt[1];
    $threshold = $opt[2];
} else {
    $sleepInterval = 6;
    $resumePlay = 'Yes';
    $threshold = 3;
}
//workerLog('mpdmon.php: Options: ' . $sleepInterval . '|' . $resumePlay . '|' . $threshold);

$logMessage = 'alsa_output: Decoder is too slow; playing silence to avoid xrun';
$msgCount = 0;
$currentFile = '';
$logSize = filesize(MPD_LOG) - 1024;
session_id(phpSession('get_sessionid'));

while (true) {
    phpSession('open_ro'); // NOTE this does open/close so it must be in the loop to get latest session

    if ($currentFile != $_SESSION['currentfile']) {
        $msgCount = 0;
    }

    // Only radio stations that opt in for monotoring
    if (isset($_SESSION[$_SESSION['currentfile']]) && $_SESSION[$_SESSION['currentfile']]['monitor'] == 'Yes') {
        //workerLog('mpdmon: Monitoring: ' . $_SESSION['currentfile']);
        clearstatcache();
        $currentSize = filesize(MPD_LOG);
        $currentFile = $_SESSION['currentfile'];

        if ($logSize != $currentSize) {
            // Seek to last end position in log file
            $fh = fopen(MPD_LOG, "r");
            fseek($fh, $logSize);

            // Read log messages and check for match
            while ($data = fgets($fh)) {
                //workerLog($data);
                if (strpos($data, $logMessage) !== false) {
                    $msgCount++;
                    workerLog('mpdmon: ' .
                        'Buffer underrun ' . $msgCount . ' detected: ' .
                        $_SESSION[$_SESSION['currentfile']]['name']
                    );
                }

                if ($msgCount == $threshold) {
//                    $msg = 'mpdmon: MPD restarted';
//                    sysCmd('systemctl restart mpd');
                    $msg = 'mpdmon: MPD stopped';
                    sysCmd('mpc stop');
                    if ($resumePlay == 'Yes') {
                        $msg .= ', play resumed';
                        sysCmd('mpc play');
                    }
                    workerLog($msg);
                    $msgCount = 0;
                }
            }

            fclose($fh);
            $logSize = $currentSize;
        }
    }

    sleep($sleepInterval);
}