122 lines
3.8 KiB
PHP
122 lines
3.8 KiB
PHP
<?php
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_d("STATSD_HOST", null);
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function dstat($name, $val)
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{
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StatsDInterface::$stats["shimmie.$name"] = $val;
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}
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class StatsDInterface extends Extension
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{
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public static $stats = [];
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private function _stats(string $type)
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{
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global $_shm_event_count, $cache, $database, $_shm_load_start;
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$time = microtime(true) - $_shm_load_start;
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StatsDInterface::$stats["shimmie.$type.hits"] = "1|c";
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StatsDInterface::$stats["shimmie.$type.time"] = "$time|ms";
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StatsDInterface::$stats["shimmie.$type.time-db"] = "{$database->dbtime}|ms";
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StatsDInterface::$stats["shimmie.$type.memory"] = memory_get_peak_usage(true)."|c";
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StatsDInterface::$stats["shimmie.$type.files"] = count(get_included_files())."|c";
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StatsDInterface::$stats["shimmie.$type.queries"] = $database->query_count."|c";
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StatsDInterface::$stats["shimmie.$type.events"] = $_shm_event_count."|c";
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StatsDInterface::$stats["shimmie.$type.cache-hits"] = $cache->get_hits()."|c";
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StatsDInterface::$stats["shimmie.$type.cache-misses"] = $cache->get_misses()."|c";
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}
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public function onPageRequest(PageRequestEvent $event)
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{
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$this->_stats("overall");
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if ($event->page_matches("post/view")) { # 40%
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$this->_stats("post-view");
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} elseif ($event->page_matches("post/list")) { # 30%
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$this->_stats("post-list");
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} elseif ($event->page_matches("user")) {
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$this->_stats("user");
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} elseif ($event->page_matches("upload")) {
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$this->_stats("upload");
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} elseif ($event->page_matches("rss")) {
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$this->_stats("rss");
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} elseif ($event->page_matches("api")) {
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$this->_stats("api");
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} else {
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#global $_shm_load_start;
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#$time = microtime(true) - $_shm_load_start;
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#file_put_contents("data/other.log", "{$_SERVER['REQUEST_URI']} $time\n", FILE_APPEND);
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$this->_stats("other");
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}
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$this->send(StatsDInterface::$stats, 1.0);
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StatsDInterface::$stats = [];
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}
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public function onUserCreation(UserCreationEvent $event)
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{
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StatsDInterface::$stats["shimmie_events.user_creations"] = "1|c";
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}
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public function onDataUpload(DataUploadEvent $event)
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{
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StatsDInterface::$stats["shimmie_events.uploads"] = "1|c";
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}
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public function onCommentPosting(CommentPostingEvent $event)
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{
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StatsDInterface::$stats["shimmie_events.comments"] = "1|c";
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}
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public function onImageInfoSet(ImageInfoSetEvent $event)
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{
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StatsDInterface::$stats["shimmie_events.info-sets"] = "1|c";
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}
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public function get_priority(): int
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{
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return 99;
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}
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private function send(array $data, int $sampleRate=1)
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{
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if (!STATSD_HOST) {
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return;
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}
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// sampling
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$sampledData = [];
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if ($sampleRate < 1) {
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foreach ($data as $stat => $value) {
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if ((mt_rand() / mt_getrandmax()) <= $sampleRate) {
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$sampledData[$stat] = "$value|@$sampleRate";
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}
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}
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} else {
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$sampledData = $data;
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}
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if (empty($sampledData)) {
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return;
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}
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// Wrap this in a try/catch - failures in any of this should be silently ignored
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try {
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$parts = explode(":", STATSD_HOST);
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$host = $parts[0];
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$port = $parts[1];
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$fp = fsockopen("udp://$host", $port, $errno, $errstr);
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if (! $fp) {
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return;
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}
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foreach ($sampledData as $stat => $value) {
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fwrite($fp, "$stat:$value");
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}
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fclose($fp);
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} catch (Exception $e) {
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// ignore any failures.
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}
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}
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}
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