mqtt: support for BEFORE_CONNECT event in idf

Updated examples to use new event id, idf to use mqtt with fixed retained, oversized messages

components/mqtt/esp-mqtt

@@ -1 +1 @@
-Subproject commit a7b1cea5b3e246298607a8c64447765297626f36
+Subproject commit f08f3b678717865234637164a29ed3a63e756ca7

examples/protocols/mqtt/ssl/main/app_main.c

@@ -112,6 +112,9 @@ static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
         case MQTT_EVENT_ERROR:
             ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
             break;
+        default:
+            ESP_LOGI(TAG, "Other event id:%d", event->event_id);
+            break;
     }
     return ESP_OK;
 }

examples/protocols/mqtt/ssl_mutual_auth/main/app_main.c

@@ -114,6 +114,9 @@ static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
         case MQTT_EVENT_ERROR:
             ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
             break;
+        default:
+            ESP_LOGI(TAG, "Other event id:%d", event->event_id);
+            break;
     }
     return ESP_OK;
 }

examples/protocols/mqtt/tcp/main/app_main.c

@@ -69,6 +69,9 @@ static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
         case MQTT_EVENT_ERROR:
             ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
             break;
+        default:
+            ESP_LOGI(TAG, "Other event id:%d", event->event_id);
+            break;
     }
     return ESP_OK;
 }

examples/protocols/mqtt/ws/main/app_main.c

@@ -66,6 +66,9 @@ static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
         case MQTT_EVENT_ERROR:
             ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
             break;
+        default:
+            ESP_LOGI(TAG, "Other event id:%d", event->event_id);
+            break;
     }
     return ESP_OK;
 }

examples/protocols/mqtt/wss/main/app_main.c

@@ -112,6 +112,9 @@ static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
         case MQTT_EVENT_ERROR:
             ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
             break;
+        default:
+            ESP_LOGI(TAG, "Other event id:%d", event->event_id);
+            break;
     }
     return ESP_OK;
 }