test(mdns): Host tests to use IDF's esp_event_stub

Also fixes one minor from esp_netif_linux implementation

components/mdns/CMakeLists.txt

@@ -6,7 +6,7 @@ endif()
 
 idf_build_get_property(target IDF_TARGET)
 if(${target} STREQUAL "linux")
-    set(dependencies esp_event esp_netif_linux esp_timer_linux esp_system)
+    set(dependencies esp_netif_linux esp_timer_linux esp_system)
     set(srcs "mdns.c" ${MDNS_NETWORKING})
 else()
     set(dependencies lwip console esp_netif)

components/mdns/tests/host_test/CMakeLists.txt

@@ -5,3 +5,7 @@ set(EXTRA_COMPONENT_DIRS "../..")
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 set(COMPONENTS main esp_netif_linux)
 project(mdns_host)
+
+# Enable sanitizers for mdns implementation
+idf_component_get_property(mdns mdns COMPONENT_LIB)
+target_link_options(${mdns} INTERFACE -fsanitize=address -fsanitize=undefined)

components/mdns/tests/host_test/components/esp_event/CMakeLists.txt

@@ -1,2 +0,0 @@
-idf_component_register(SRCS esp_event_mock.c
-                       INCLUDE_DIRS include)

components/mdns/tests/host_test/components/esp_event/esp_event_mock.c

@@ -1,21 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include "esp_err.h"
-#include "esp_event.h"
-
-const char *WIFI_EVENT = "WIFI_EVENT";
-const char *IP_EVENT = "IP_EVENT";
-
-esp_err_t esp_event_handler_register(const char *event_base, int32_t event_id, void *event_handler, void *event_handler_arg)
-{
-    return ESP_OK;
-}
-
-esp_err_t esp_event_handler_unregister(const char *event_base, int32_t event_id, void *event_handler)
-{
-    return ESP_OK;
-}

components/mdns/tests/host_test/components/esp_event/include/esp_event.h

@@ -1,15 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-#pragma once
-
-#include "stdbool.h"
-#include "esp_err.h"
-#include "esp_event_base.h"
-#include "bsd/string.h"
-
-esp_err_t esp_event_handler_register(const char *event_base, int32_t event_id, void *event_handler, void *event_handler_arg);
-
-esp_err_t esp_event_handler_unregister(const char *event_base, int32_t event_id, void *event_handler);

components/mdns/tests/host_test/components/esp_event/include/esp_event_base.h

@@ -1,19 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-#pragma once
-
-typedef enum {
-    WIFI_EVENT_STA_CONNECTED,            /**< ESP32 station connected to AP */
-    WIFI_EVENT_STA_DISCONNECTED,         /**< ESP32 station disconnected from AP */
-    WIFI_EVENT_AP_START,                 /**< ESP32 soft-AP start */
-    WIFI_EVENT_AP_STOP,                  /**< ESP32 soft-AP stop */
-} mdns_used_event_t;
-
-#define ESP_EVENT_DECLARE_BASE(x)
-#define ESP_EVENT_ANY_ID       (-1)
-
-typedef void *esp_event_base_t;
-typedef void *system_event_t;

components/mdns/tests/host_test/components/esp_netif_linux/CMakeLists.txt

@@ -1,3 +1,2 @@
 idf_component_register(SRCS esp_netif_linux.c
-                       INCLUDE_DIRS include $ENV{IDF_PATH}/components/esp_netif/include
-                       REQUIRES esp_event)
+                       INCLUDE_DIRS include $ENV{IDF_PATH}/components/esp_netif/include)

components/mdns/tests/host_test/components/esp_netif_linux/esp_netif_linux.c

@@ -55,6 +55,7 @@ esp_err_t esp_netif_get_ip_info(esp_netif_t *esp_netif, esp_netif_ip_info_t *ip_
         }
         tmp = tmp->ifa_next;
     }
+    freeifaddrs(addrs);
     return ESP_OK;
 }
 

components/mdns/tests/host_test/components/esp_timer_linux/CMakeLists.txt

@@ -1,6 +1,5 @@
 idf_component_register(SRCS esp_timer_linux.c timer_task.cpp
-                       INCLUDE_DIRS include
-                       REQUIRES esp_event)
+                       INCLUDE_DIRS include)
 
 set_target_properties(${COMPONENT_LIB} PROPERTIES
     CXX_STANDARD 17

components/mdns/tests/host_test/components/esp_timer_linux/include/esp_timer.h

@@ -7,6 +7,7 @@
 
 #include <stdbool.h>
 #include <stdint.h>
+#include "bsd/string.h"
 
 typedef struct esp_timer *esp_timer_handle_t;