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<?php
class StatisticReporting
{
public static function getClientStatistics($cutOffTimeInSeconds, $lowerTimeBound = 0, $upperTimeBound = 24) {
$queryTime = time() - $cutOffTimeInSeconds;
$res = Database::simpleQuery("SELECT t1.name, timeSum, medianTime, offlineSum, longSessions, lastLogout, lastStart, shortSessions FROM (
SELECT machine.hostname AS 'name', machine.machineuuid AS 'uuid', SUM(CAST(sessionTable.length AS UNSIGNED)) AS 'timeSum', GROUP_CONCAT(sessionTable.length) AS 'medianTime', SUM(sessionTable.length >= 60) AS 'longSessions', SUM(sessionTable.length < 60) AS 'shortSessions',MAX(sessionTable.dateline + sessionTable.data) AS 'lastLogout'
FROM ".self::getBoundedTableQueryString('~session-length', $lowerTimeBound, $upperTimeBound)." sessionTable
INNER JOIN machine ON sessionTable.machineuuid = machine.machineuuid
WHERE sessionTable.dateline>=$queryTime
GROUP BY machine.machineuuid
) t1
INNER JOIN (
SELECT machine.hostname AS 'name', machine.machineuuid AS 'uuid', SUM(CAST(offlineTable.length AS UNSIGNED)) AS 'offlineSum', MAX(offlineTable.dateline) AS 'lastStart'
FROM ".self::getBoundedTableQueryString('~offline-length', $lowerTimeBound, $upperTimeBound)." offlineTable
INNER JOIN machine ON offlineTable.machineuuid = machine.machineuuid
WHERE offlineTable.dateline>=$queryTime
GROUP BY machine.machineuuid
) t2
ON t1.uuid = t2.uuid");
return $res;
}
// IFNULL(location.locationname, '') - emptry string can be replaced with anything (name of the null-ids in the table)
public static function getLocationStatistics($cutOffTimeInSeconds, $lowerTimeBound = 0, $upperTimeBound = 24) {
$queryTime = time() - $cutOffTimeInSeconds;
$res = Database::simpleQuery("SELECT t1.locName, timeSum, medianTime, offlineSum, longSessions, shortSessions FROM (
SELECT IFNULL(location.locationname, '') AS 'locName', SUM(CAST(sessionTable.length AS UNSIGNED)) AS 'timeSum', GROUP_CONCAT(sessionTable.length) AS 'medianTime', SUM(sessionTable.length >= 60) AS 'longSessions', SUM(sessionTable.length < 60) AS 'shortSessions'
FROM ".self::getBoundedTableQueryString('~session-length', $lowerTimeBound, $upperTimeBound)." sessionTable
INNER JOIN machine ON sessionTable.machineuuid = machine.machineuuid
LEFT JOIN location ON machine.locationid = location.locationid
WHERE sessionTable.dateline >= $queryTime
GROUP BY location.locationname
) t1
INNER JOIN (
SELECT IFNULL(location.locationname, '') AS 'locName', SUM(CAST(offlineTable.length AS UNSIGNED)) AS 'offlineSum'
FROM ".self::getBoundedTableQueryString('~offline-length', $lowerTimeBound, $upperTimeBound)." offlineTable
INNER JOIN machine ON offlineTable.machineuuid = machine.machineuuid
LEFT JOIN location ON machine.locationid = location.locationid
WHERE offlineTable.dateline >= $queryTime
GROUP BY location.locationname
) t2
ON t1.locName = t2.locName");
return $res;
}
// logins between bounds
public static function getUserStatistics($cutOffTimeInSeconds, $lowerTimeBound = 0, $upperTimeBound = 24) {
$queryTime = time() - $cutOffTimeInSeconds;
$res = Database::simpleQuery("SELECT username, COUNT(*) AS 'count'
FROM statistic
WHERE typeid='.vmchooser-session-name' AND dateline>=$queryTime
AND ((FROM_UNIXTIME(dateline+data, '%H')*1 >= $lowerTimeBound) AND (FROM_UNIXTIME(dateline, '%H')*1 < $upperTimeBound))
GROUP BY username ORDER BY 2 DESC");
return $res;
}
// vm logins between bounds
public static function getVMStatistics($cutOffTimeInSeconds, $lowerTimeBound = 0, $upperTimeBound = 24) {
$queryTime = time() - $cutOffTimeInSeconds;
$res = Database::simpleQuery("SELECT data, COUNT(*) AS 'count' FROM statistic WHERE typeid='.vmchooser-session-name' AND dateline>=$queryTime
AND ((FROM_UNIXTIME(dateline+data, '%H')*1 >= $lowerTimeBound) AND (FROM_UNIXTIME(dateline, '%H')*1 < $upperTimeBound)) GROUP BY data ORDER BY 2 DESC");
return $res;
}
public static function getOverallStatistics ($cutOffTimeInSeconds, $lowerTimeBound = 0, $upperTimeBound = 24) {
$queryTime = time() - $cutOffTimeInSeconds;
$res = Database::simpleQuery("SELECT SUM(CAST(sessionTable.length AS UNSIGNED)) AS sum, GROUP_CONCAT(sessionTable.length) AS median, SUM(sessionTable.length >= 60) AS longSessions, SUM(sessionTable.length < 60) AS shortSessions
FROM ".self::getBoundedTableQueryString('~session-length', $lowerTimeBound, $upperTimeBound)." sessionTable
WHERE sessionTable.dateline>=$queryTime");
return $res;
}
public static function getTotalOfflineStatistics($cutOffTimeInSeconds, $lowerTimeBound = 0, $upperTimeBound = 24) {
$queryTime = time() - $cutOffTimeInSeconds;
$res = Database::simpleQuery("SELECT SUM(CAST(offlineTable.length AS UNSIGNED))
FROM ".self::getBoundedTableQueryString('~offline-length', $lowerTimeBound, $upperTimeBound)." offlineTable
WHERE offlineTable.dateline>=$queryTime");
return $res;
}
public static function formatSeconds($seconds)
{
return intdiv($seconds, 3600*24).'d '.intdiv($seconds%(3600*24), 3600).'h '.intdiv($seconds%3600, 60).'m '.($seconds%60).'s';
}
public static function calcMedian($string) {
$arr = explode(",", $string);
sort($arr, SORT_NUMERIC);
$count = count($arr); //total numbers in array
$middleval = floor(($count-1)/2); // find the middle value, or the lowest middle value
if($count % 2) { // odd number, middle is the median
$median = $arr[(int) $middleval];
} else { // even number, calculate avg of 2 medians
$low = $arr[(int) $middleval];
$high = $arr[(int) $middleval+1];
$median = (($low+$high)/2);
}
return round($median);
}
private static function getBoundedTableQueryString($typeid, $lowerTimeBound, $upperTimeBound)
{
$lowerFormat = "'%y-%m-%d $lowerTimeBound:00:00'";
$upperFormat = "'%y-%m-%d ".($upperTimeBound-1).":59:59'";
$queryString = "
select
@startLower := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $lowerFormat)),
@startUpper := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $upperFormat)),
@endLower := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $lowerFormat)),
@endUpper := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $upperFormat)),
(CAST(data AS SIGNED)
- IF(
dateline > @startUpper,
UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $lowerFormat) + INTERVAL 1 DAY) - dateline,
IF(
dateline < @startLower,
@startLower - dateline,
0
)
)
- IF(
dateline+data > @endUpper,
dateline+data - (@endUpper + 1),
IF(
dateline+data < @endLower,
dateline+data - (UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $upperFormat) - INTERVAL 1 DAY) + 1),
0
)
)
- ( TO_DAYS(FROM_UNIXTIME(dateline+data, '%y-%m-%d')) - TO_DAYS(FROM_UNIXTIME(dateline, '%y-%m-%d'))
- 2
+ IF(dateline <= @startUpper, 1, 0)
+ IF(dateline+data >= @endLower, 1, 0)
) * ((24 - ($upperTimeBound - $lowerTimeBound)) * 3600)
- IF(
@leftBound := IF(dateline <= @startUpper, @startUpper, UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $upperFormat) + INTERVAL 1 DAY))
< @rightBound := IF(dateline+data >= @endLower, @endLower, UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $lowerFormat) - INTERVAL 1 DAY)),
IF(
@timeDiff := (
(date_format(from_unixtime(@leftBound), '%H') -
date_format(convert_tz(from_unixtime(@leftBound), @@session.time_zone, '+00:00'), '%H') + 24) % 24
-
(date_format(from_unixtime(@rightBound), '%H') -
date_format(convert_tz(from_unixtime(@rightBound), @@session.time_zone, '+00:00'), '%H') + 24) % 24) = 1
AND ($lowerTimeBound >= 2 OR $upperTimeBound <= 2),
3600,
IF(@timeDiff = -1 AND ($lowerTimeBound >= 3 OR $upperTimeBound <= 3), -3600, 0)
),
0
)
) as 'length',
dateline,
data,
machineuuid
from statistic
where typeid = '$typeid' and (
(UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $lowerFormat)) <= dateline and dateline <= UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $upperFormat))) or
(UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $lowerFormat)) <= dateline+data and dateline+data <= UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $upperFormat)))
)
";
return "(".$queryString.")";
}
}
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