Add new file scripts/pi-hole/php/database.php

Signed-off-by: DL6ER <dl6er@dl6er.de>

scripts/pi-hole/php/database.php

@@ -0,0 +1,42 @@
+<?php
+/*   Pi-hole: A black hole for Internet advertisements
+*    (c) 2017 Pi-hole, LLC (https://pi-hole.net)
+*    Network-wide ad blocking via your own hardware.
+*
+*    This file is copyright under the latest version of the EUPL.
+*    Please see LICENSE file for your rights under this license */
+
+function SQLite3_connect_try($filename, $mode, $trytoreconnect)
+{	try
+	{
+		// connect to database
+		return new SQLite3($filename, $mode);
+	}
+	catch (Exception $exception)
+	{
+		// sqlite3 throws an exception when it is unable to connect, try to reconnect after 3 seconds
+		if($trytoreconnect)
+		{
+			sleep(3);
+			$db = SQLite3_connect_try($filename, $mode, false);
+		}
+	}
+}
+
+function SQLite3_connect($filename, $mode=SQLITE3_OPEN_READONLY)
+{
+	if(strlen($filename) > 0)
+	{
+		$db = SQLite3_connect_try($filename, $mode, true);
+	}
+	else
+	{
+		die("No database available");
+	}
+	if(!$db)
+	{
+		die("Error connecting to database");
+	}
+	return $db;
+}
+?>