Merge branch 'update/esp-mqtt' into 'master'

mqtt:  [Update mqtt_client] - Set state on stoping; Add error code to Subscribed event

See merge request espressif/esp-idf!20922

components/mqtt/CMakeLists.txt

@@ -8,6 +8,6 @@ idf_component_register(SRCS "${srcs}"
                     INCLUDE_DIRS esp-mqtt/include
                     PRIV_INCLUDE_DIRS "esp-mqtt/lib/include"
                     REQUIRES esp_event tcp_transport
-                    PRIV_REQUIRES esp_timer http_parser esp_hw_support
+                    PRIV_REQUIRES esp_timer http_parser esp_hw_support heap
                     )
 target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")

components/mqtt/Kconfig

@@ -124,6 +124,13 @@ menu "ESP-MQTT Configurations"
         help
             MQTT task priority. Higher number denotes higher priority.
 
+    config MQTT_EVENT_QUEUE_SIZE
+        int "Number of queued events."
+        default 1
+        depends on MQTT_USE_CUSTOM_CONFIG
+        help
+            A value higher than 1 enables multiple queued events.
+
     config MQTT_TASK_CORE_SELECTION_ENABLED
         bool "Enable MQTT task core selection"
         help

components/mqtt/host_test/CMakeLists.txt

@@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.16)
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 set(COMPONENTS main)
 list(APPEND EXTRA_COMPONENT_DIRS
+                                 "mocks/heap/"
                                  "$ENV{IDF_PATH}/tools/mocks/esp_hw_support/"
                                  "$ENV{IDF_PATH}/tools/mocks/freertos/"
                                  "$ENV{IDF_PATH}/tools/mocks/esp_timer/"

components/mqtt/host_test/mocks/heap/CMakeLists.txt

@@ -0,0 +1,4 @@
+idf_component_get_property(original_heap_dir heap COMPONENT_OVERRIDEN_DIR)
+
+idf_component_register(SRCS heap_mock.c
+  INCLUDE_DIRS "${original_heap_dir}/include")

components/mqtt/host_test/mocks/heap/heap_mock.c

@@ -0,0 +1,16 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "esp_heap_caps.h"
+#include <stdint.h>
+#include <stdlib.h>
+
+
+
+void *heap_caps_calloc(size_t n, size_t size, uint32_t caps) {
+  (void)caps;
+  return calloc(n, size);
+
+}