From b282f65db57ee4a0c16416077326d989e879ec53 Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Mon, 22 Jun 2015 15:14:22 +0200
Subject: [PATCH] wait for configd socket if it's not there yet
 (https://github.com/opnsense/core/issues/218)

---
 src/opnsense/mvc/app/library/OPNsense/Core/Backend.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/opnsense/mvc/app/library/OPNsense/Core/Backend.php b/src/opnsense/mvc/app/library/OPNsense/Core/Backend.php
index b263e6bb4..ef1036904 100644
--- a/src/opnsense/mvc/app/library/OPNsense/Core/Backend.php
+++ b/src/opnsense/mvc/app/library/OPNsense/Core/Backend.php
@@ -61,6 +61,16 @@ class Backend
         $endOfStream = chr(0).chr(0).chr(0);
         $poll_timeout = 2 ; // poll timeout interval
 
+        // wait until socket exist for a maximum of $timeout
+        $timeout_wait = $timeout;
+        while (!file_exists($this->configdSocket)) {
+            sleep(1);
+            $timeout_wait -= 1;
+            if ($timeout_wait <= 0) {
+                throw new \Exception("failed waiting for configd (doesn't seem to be running)");
+            }
+        }
+
         $resp = "";
         $stream = stream_socket_client('unix://'.$this->configdSocket, $errorNumber, $errorMessage, $poll_timeout);
         if ($stream === false) {