From 6675f798d58f3d62fdf192b13eea8846eb3bb717 Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Sat, 9 Aug 2025 17:30:49 +0100
Subject: [PATCH] Add more MQTT error codes

---
 include/mosquitto/defs.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/mosquitto/defs.h b/include/mosquitto/defs.h
index 9adfeeb5..bfff1498 100644
--- a/include/mosquitto/defs.h
+++ b/include/mosquitto/defs.h
@@ -88,19 +88,39 @@ enum mosq_err_t {
 
 	/* MQTT v5 direct equivalents 128-255 */
 	MOSQ_ERR_UNSPECIFIED = 128,
+	/* MOSQ_ERR_MALFORMED_PACKET = 129, // 21 above */
 	MOSQ_ERR_IMPLEMENTATION_SPECIFIC = 131,
+	MOSQ_ERR_UNSUPPORTED_PROTOCOL_VERSION = 132,
 	MOSQ_ERR_CLIENT_IDENTIFIER_NOT_VALID = 133,
 	MOSQ_ERR_BAD_USERNAME_OR_PASSWORD = 134,
+	/* MOSQ_ERR_NOT_AUTHORIZED = 135, //  11 above */
 	MOSQ_ERR_SERVER_UNAVAILABLE = 136,
 	MOSQ_ERR_SERVER_BUSY = 137,
 	MOSQ_ERR_BANNED = 138,
+	MOSQ_ERR_SERVER_SHUTTING_DOWN = 139,
 	MOSQ_ERR_BAD_AUTHENTICATION_METHOD = 140,
+	/* MOSQ_ERR_KEEP_ALIVE_TIMEOUT = 141, // 19 above */
 	MOSQ_ERR_SESSION_TAKEN_OVER = 142,
+	MOSQ_ERR_TOPIC_FILTER_INVALID = 143,
+	MOSQ_ERR_TOPIC_NAME_INVALID = 144,
+	MOSQ_ERR_PACKET_ID_IN_USE = 145,
+	MOSQ_ERR_PACKET_ID_NOT_FOUND = 146,
 	MOSQ_ERR_RECEIVE_MAXIMUM_EXCEEDED = 147,
 	MOSQ_ERR_TOPIC_ALIAS_INVALID = 148,
+	/* MOSQ_ERR_PACKET_TOO_LARGE = 149, // 25 above */
+	MOSQ_ERR_MESSAGE_RATE_TOO_HIGH = 150,
+	/* MOSQ_ERR_QUOTA_EXCEEDED = 151, */
 	MOSQ_ERR_ADMINISTRATIVE_ACTION = 152,
+	MOSQ_ERR_PAYLOAD_FORMAT_INVALID = 153,
 	MOSQ_ERR_RETAIN_NOT_SUPPORTED = 154,
+	/* MOSQ_ERR_QOS_NOT_SUPPORTED = 155, // 24 above */
+	MOSQ_ERR_USE_ANOTHER_SERVER = 156,
+	MOSQ_ERR_SERVER_MOVED = 157,
+	MOSQ_ERR_SHARED_SUBS_NOT_SUPPORTED = 158,
 	MOSQ_ERR_CONNECTION_RATE_EXCEEDED = 159,
+	MOSQ_ERR_MAXIMUM_CONNECT_TIME = 160,
+	MOSQ_ERR_SUBSCRIPTION_IDS_NOT_SUPPORTED = 161,
+	MOSQ_ERR_WILDCARD_SUBS_NOT_SUPPORTED = 162,
 };
 
 enum mosq_transport_t {