From f9be0e8c7b433fe05f3c58f46205077b47c4c0ef Mon Sep 17 00:00:00 2001
From: Benjamin Renard <brenard@zionetrix.net>
Date: Sun, 19 Nov 2017 18:17:28 +0100
Subject: [PATCH] Ignore ACK if fragment's status is already delivered

---
 includes/db.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/includes/db.php b/includes/db.php
index 68b8dc3..2edbb1a 100644
--- a/includes/db.php
+++ b/includes/db.php
@@ -263,6 +263,10 @@ function update_outgoing_msg_frag($msguid, $fragid, $status) {
 		return -1;
 
 	if (is_array($frag)) {
+		if ($frag['status'] == 'delivered') {
+			logging('INFO', "Message $msguid : Fragment $fragid already delivered, ignore ack with status '$status'.");
+			return True;
+		}
 		$result = $fpdo -> update('outgoing_msg_frag')
                         -> set(
                                 array (