From 66ca2aa66ae37a099222ebb0acd0fed643ae76a2 Mon Sep 17 00:00:00 2001
From: Steve Dodd <steved424@gmail.com>
Date: Fri, 9 Feb 2024 18:26:17 +0000
Subject: [PATCH] Add isErrored() function so we can tell if the context /
 connection is in the "errored" state, as may occur if the initial TCP
 connection fails.

---
 nmqtt.nim | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nmqtt.nim b/nmqtt.nim
index f2eb009..3a62037 100644
--- a/nmqtt.nim
+++ b/nmqtt.nim
@@ -1209,6 +1209,11 @@ proc unsubscribe*(ctx: MqttCtx, topic: string): Future[void] =
   ctx.workQueue[msgId] = Work(wk: SubWork, msgId: msgId, topic: topic, typ: Unsubscribe)
   result = ctx.work()
 
+proc isErrored*(ctx: MqttCtx): bool =
+  ## Returns true, if the context is in an error state
+  if ctx.state == Error:
+    result = true
+
 proc isConnected*(ctx: MqttCtx): bool =
   ## Returns true, if the client is connected to the broker.
   if ctx.state == Connected: