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<?php
include "lib/mysql.php";
$cutoff = 86400;
mysql_run_query(
"CREATE TEMPORARY TABLE `ls` (`id` BIGINT NOT NULL, PRIMARY KEY (`id`))"
);
mysql_run_query(
"INSERT INTO `ls` (`id`)" .
" SELECT `ms`.`id`" .
" FROM `mirror_statuses` AS `ms`" .
" WHERE NOT EXISTS (" .
"SELECT 1 FROM `mirror_statuses` AS `n_ms`" .
" WHERE `n_ms`.`url`=`ms`.`url`" .
" AND `n_ms`.`start`>`ms`.`start`" .
") AND `ms`.`start` > UNIX_TIMESTAMP(NOW())-" . $cutoff
);
$result = mysql_run_query(
"SELECT " .
"`l_ms`.`protocol`," .
"`l_ms`.`url`," .
"`l_ms`.`country`," .
"`l_ms`.`country_code`," .
"`l_ms`.`last_sync`," .
"`l_ms`.`start`," .
"AVG(IF(`a_ms`.`active`,(`a_ms`.`start`-`a_ms`.`last_sync`)/3600,NULL)) AS `delay`," .
"AVG(IF(`a_ms`.`active`,(`a_ms`.`stop`-`a_ms`.`start`)/3600,NULL)) AS `duration_avg`," .
"STD(IF(`a_ms`.`active`,(`a_ms`.`stop`-`a_ms`.`start`)/3600,NULL)) AS `duration_stddev`," .
"`l_ms`.`isos`," .
"`l_ms`.`ipv4`," .
"`l_ms`.`ipv6`," .
"`l_ms`.`active`," .
"AVG(IF(`a_ms`.`active`,1,0)) AS `completion_pct`," .
"COUNT(1) AS `count`" .
" FROM `ls`" .
" JOIN `mirror_statuses` AS `l_ms` ON `ls`.`id`=`l_ms`.`id`" .
" JOIN `mirror_statuses` AS `a_ms` ON `a_ms`.`url`=`l_ms`.`url`" .
" AND `a_ms`.`start` > UNIX_TIMESTAMP(NOW())-" . $cutoff .
" GROUP BY `l_ms`.`id`"
);
$last_check = 0;
$max_count = 0;
while($row = $result->fetch_assoc()) {
foreach (array(
"start",
"delay",
"duration_avg",
"duration_stddev",
"completion_pct",
"count",
"isos",
"ipv4",
"ipv6",
"active"
) as $key)
$row[$key] = floatval($row[$key]);
$row["last_sync"] = gmdate("Y-m-d\TH:i:s\Z", $row["last_sync"]);
$row["score"] =
($row["delay"] + $row["duration_avg"] + $row["duration_stddev"]) / $row["completion_pct"];
$urls[] = $row;
$last_check = max ($row["start"], $last_check);
$max_count = max ($row["count"], $max_count);
}
$content = array(
"cutoff" => $cutoff,
"check_frequency" => $cutoff/$max_count,
"num_checks" => $max_count,
"last_check" => gmdate("Y-m-d\TH:i:s.v\Z",$last_check), //"2018-06-15T07:25:06.741Z",
// "version" => 3,
"urls" => $urls
);
if (isset($_GET["json"])) {
header ("Content-type: application/json");
print json_encode($content,JSON_UNESCAPED_SLASHES);
} else {
print "Unknown output format.";
}
|
