From 2fa945d0b8904f695a67dca527358f0833e11caf Mon Sep 17 00:00:00 2001
From: Rocha Euripedes <rocha.euripedes@espressif.com>
Date: Thu, 2 Feb 2023 20:52:02 +0800
Subject: [PATCH] Adds Kconfig option to configure poll read timeout

A new Kconfig option was added to allow users to configure poll read
timeout.

Closes: https://github.com/espressif/esp-mqtt/issues/245
---
 Kconfig                   | 7 +++++++
 lib/include/mqtt_config.h | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/Kconfig b/Kconfig
index 113bac7..2c274ca 100644
--- a/Kconfig
+++ b/Kconfig
@@ -124,6 +124,13 @@ menu "ESP-MQTT Configurations"
         help
             MQTT task priority. Higher number denotes higher priority.
 
+    config MQTT_POLL_READ_TIMEOUT_MS
+        int "MQTT transport poll read timeut"
+        default 1000
+        depends on MQTT_USE_CUSTOM_CONFIG
+        help
+            Timeout when polling underlying transport for read.
+
     config MQTT_EVENT_QUEUE_SIZE
         int "Number of queued events."
         default 1
diff --git a/lib/include/mqtt_config.h b/lib/include/mqtt_config.h
index e4b5ce5..6238ee1 100644
--- a/lib/include/mqtt_config.h
+++ b/lib/include/mqtt_config.h
@@ -17,7 +17,12 @@
 #endif
 
 #define MQTT_RECON_DEFAULT_MS       (10*1000)
+
+#ifdef CONFIG_MQTT_POLL_READ_TIMEOUT_MS
+#define MQTT_POLL_READ_TIMEOUT_MS  CONFIG_MQTT_POLL_READ_TIMEOUT_MS 
+#else
 #define MQTT_POLL_READ_TIMEOUT_MS   (1000)
+#endif 
 
 #define MQTT_MSG_ID_INCREMENTAL     CONFIG_MQTT_MSG_ID_INCREMENTAL