From c06f1540fe4074b18efb3ad2af425ad36310a7f7 Mon Sep 17 00:00:00 2001
From: Ss Wang <wang33_winner@163.com>
Date: Tue, 30 Jan 2024 12:05:45 +0800
Subject: [PATCH] set last_retransmit to now when first connected

when published before connected, the msg will be always retransmitted immediately even it is  send right now
---
 mqtt_client.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mqtt_client.c b/mqtt_client.c
index d4c074a..87177d6 100644
--- a/mqtt_client.c
+++ b/mqtt_client.c
@@ -1659,6 +1659,11 @@ static void esp_mqtt_task(void *pv)
                 break;
             }
 
+            if (last_retransmit == 0) {
+                // connected for first time, set last_retransmit to now, avoid retransmit
+                last_retransmit = platform_tick_get_ms();
+            }
+
             // delete long pending messages
             mqtt_delete_expired_messages(client);