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<?php
function logstats()
{
$NOW = time();
$cutoff = $NOW - 86400 * 30;
$join = $where = '';
if (Module::get('runmode') !== false) {
$join = 'LEFT JOIN runmode r USING (machineuuid)';
$where = 'AND (r.isclient IS NULL OR r.isclient <> 0)';
}
$known = Database::queryFirst("SELECT Count(*) AS val FROM machine m $join WHERE m.lastseen > $cutoff $where");
$on = Database::queryFirst("SELECT Count(*) AS val FROM machine m $join WHERE m.state IN ('IDLE', 'OCCUPIED') $where");
$used = Database::queryFirst("SELECT Count(*) AS val FROM machine m $join WHERE m.state = 'OCCUPIED' $where");
Database::exec("INSERT INTO statistic (dateline, typeid, clientip, username, data) VALUES (:now, '~stats', '', '', :vals)", array(
'now' => $NOW,
'vals' => $known['val'] . '#' . $on['val'] . '#' . $used['val'],
));
}
function state_cleanup()
{
// Fix online state of machines that crashed
$standby = time() - 86400 * 2; // Reset standby machines after two days
$on = time() - 610; // Reset others after ~10 minutes
// Query for logging
$res = Database::simpleQuery("SELECT machineuuid, clientip, state FROM machine WHERE lastseen < If(state = 'STANDBY', $standby, $on) AND state <> 'OFFLINE'");
while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
Database::exec('INSERT INTO clientlog (dateline, logtypeid, clientip, machineuuid, description, extra)
VALUES (UNIX_TIMESTAMP(), :type, :client, :uuid, :description, :longdesc)', array(
'type' => 'machine-mismatch-cron',
'client' => $row['clientip'],
'description' => 'Client timed out, last known state is ' . $row['state'],
'longdesc' => '',
'uuid' => $row['machineuuid'],
));
}
// Update -- yes this is not atomic. Should be sufficient for simple warnings though.
Database::exec("UPDATE machine SET state = 'OFFLINE' WHERE lastseen < If(state = 'STANDBY', $standby, $on) AND state <> 'OFFLINE'");
}
state_cleanup();
logstats();
if (mt_rand(1, 10) === 1) {
Database::exec("DELETE FROM statistic WHERE (UNIX_TIMESTAMP() - 86400 * 190) > dateline");
if (mt_rand(1, 100) === 1) {
Database::exec("OPTIMIZE TABLE statistic");
}
}
if (mt_rand(1, 10) === 1) {
Database::exec("DELETE FROM machine WHERE (UNIX_TIMESTAMP() - 86400 * 365) > lastseen");
if (mt_rand(1, 100) === 1) {
Database::exec("OPTIMIZE TABLE machine");
}
}
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