From 3836e75c89573baca6b029a5fd36401696b86e8d Mon Sep 17 00:00:00 2001
From: Max Kostikov <max@kostikov.co>
Date: Thu, 21 Jan 2021 09:08:53 +0100
Subject: Implement SQL query background caching

---
 Zotlabs/Daemon/Cache_query.php | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Zotlabs/Daemon/Cache_query.php

(limited to 'Zotlabs/Daemon/Cache_query.php')

diff --git a/Zotlabs/Daemon/Cache_query.php b/Zotlabs/Daemon/Cache_query.php
new file mode 100644
index 000000000..18d19cdf2
--- /dev/null
+++ b/Zotlabs/Daemon/Cache_query.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Zotlabs\Daemon;
+
+use Zotlabs\Lib\Cache;
+
+class Cache_query {
+
+	static public function run($argc, $argv) {
+
+		if(! $argc == 3)
+			return;
+
+		$key = $argv[1];
+
+		$pid = get_config('procid', $key, false);
+		if ($pid && (function_exists('posix_kill') ? posix_kill($pid, 0) : true)) {
+			logger($key . ': procedure already run with pid ' . $pid, LOGGER_DEBUG);
+			return;
+		}
+
+		$pid = getmypid();
+		set_config('procid', $key, $pid);
+
+		array_shift($argv);
+		array_shift($argv);
+
+		$r = call_user_func_array('q', $argv);
+		if($r)
+			Cache::set($key, serialize($r));
+
+		del_config('procid', $key);
+	}
+}
-- 
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