From e1504b8394f3aa5cad02b1bfe0f9721877c2682b Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Fri, 15 Jun 2018 13:24:07 +0200
Subject: mirrors/status.php new, only understands ?json, currently

---
 mirrors/status.php | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 mirrors/status.php

diff --git a/mirrors/status.php b/mirrors/status.php
new file mode 100644
index 0000000..7044386
--- /dev/null
+++ b/mirrors/status.php
@@ -0,0 +1,71 @@
+<?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`," .
+  "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()) {
+  $row["score"] = 
+    ($row["delay"] + $row["duration_avg"] + $row["duration_stddev"]) / $row["completion"];
+  $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" => $max_count,
+  "last_check" => gmdate("Y-m-d\TH:i:s.v",$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.";
+}
-- 
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