Update wifi hostname method

Author: microdev1

ports/esp32s2/common-hal/wifi/Radio.c

@@ -104,6 +104,15 @@ void common_hal_wifi_radio_stop_scanning_networks(wifi_radio_obj_t *self) {
     self->current_scan = NULL;
 }
 
+mp_obj_t common_hal_wifi_radio_get_hostname(wifi_radio_obj_t *self) {
+    const char *hostname = NULL;
+    esp_netif_get_hostname(self->netif, &hostname);
+    if (hostname == NULL) {
+        return mp_const_none;
+    }
+    return mp_obj_new_str(hostname, strlen(hostname));
+}
+
 void common_hal_wifi_radio_set_hostname(wifi_radio_obj_t *self, const char *hostname) {
     esp_netif_set_hostname(self->netif, hostname);
 }

shared-bindings/wifi/Radio.c

@@ -50,7 +50,6 @@
 //|
 STATIC mp_obj_t wifi_radio_get_enabled(mp_obj_t self) {
     return mp_obj_new_bool(common_hal_wifi_radio_get_enabled(self));
-
 }
 MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_get_enabled_obj, wifi_radio_get_enabled);
 
@@ -102,11 +101,16 @@ STATIC mp_obj_t wifi_radio_stop_scanning_networks(mp_obj_t self_in) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_stop_scanning_networks_obj, wifi_radio_stop_scanning_networks);
 
-//|     def set_hostname(self, hostname: ReadableBuffer) -> None:
-//|         """Sets hostname for wifi interface. When the hostname is altered after interface started/connected
-//|            the changes would only be reflected once the interface restarts/reconnects."""
-//|         ...
+//|     hostname: ReadableBuffer
+//|     """Hostname for wifi interface. When the hostname is altered after interface started/connected
+//|        the changes would only be reflected once the interface restarts/reconnects."""
 //|
+STATIC mp_obj_t wifi_radio_get_hostname(mp_obj_t self_in) {
+    wifi_radio_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    return common_hal_wifi_radio_get_hostname(self);
+}
+MP_DEFINE_CONST_FUN_OBJ_1(wifi_radio_get_hostname_obj, wifi_radio_get_hostname);
+
 STATIC mp_obj_t wifi_radio_set_hostname(mp_obj_t self_in, mp_obj_t hostname_in) {
     mp_buffer_info_t hostname;
     mp_get_buffer_raise(hostname_in, &hostname, MP_BUFFER_READ);
@@ -122,6 +126,13 @@ STATIC mp_obj_t wifi_radio_set_hostname(mp_obj_t self_in, mp_obj_t hostname_in)
 }
 MP_DEFINE_CONST_FUN_OBJ_2(wifi_radio_set_hostname_obj, wifi_radio_set_hostname);
 
+const mp_obj_property_t wifi_radio_hostname_obj = {
+    .base.type = &mp_type_property,
+    .proxy = {(mp_obj_t)&wifi_radio_get_hostname_obj,
+              (mp_obj_t)&wifi_radio_set_hostname_obj,
+              (mp_obj_t)&mp_const_none_obj},
+};
+
 //|     def connect(self, ssid: ReadableBuffer, password: ReadableBuffer = b"", *, channel: Optional[int] = 0, timeout: Optional[float] = None) -> bool:
 //|         """Connects to the given ssid and waits for an ip address. Reconnections are handled
 //|            automatically once one connection succeeds."""
@@ -236,7 +247,7 @@ STATIC const mp_rom_map_elem_t wifi_radio_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_start_scanning_networks),    MP_ROM_PTR(&wifi_radio_start_scanning_networks_obj) },
     { MP_ROM_QSTR(MP_QSTR_stop_scanning_networks),    MP_ROM_PTR(&wifi_radio_stop_scanning_networks_obj) },
 
-    { MP_ROM_QSTR(MP_QSTR_set_hostname),    MP_ROM_PTR(&wifi_radio_set_hostname_obj) },
+    { MP_ROM_QSTR(MP_QSTR_hostname),    MP_ROM_PTR(&wifi_radio_hostname_obj) },
 
     { MP_ROM_QSTR(MP_QSTR_connect),    MP_ROM_PTR(&wifi_radio_connect_obj) },
     // { MP_ROM_QSTR(MP_QSTR_connect_to_enterprise),    MP_ROM_PTR(&wifi_radio_connect_to_enterprise_obj) },

shared-bindings/wifi/Radio.h

@@ -45,6 +45,7 @@ typedef enum {
 extern bool common_hal_wifi_radio_get_enabled(wifi_radio_obj_t *self);
 extern void common_hal_wifi_radio_set_enabled(wifi_radio_obj_t *self, bool enabled);
 
+extern mp_obj_t common_hal_wifi_radio_get_hostname(wifi_radio_obj_t *self);
 extern void common_hal_wifi_radio_set_hostname(wifi_radio_obj_t *self, const char *hostname);
 
 extern mp_obj_t common_hal_wifi_radio_get_mac_address(wifi_radio_obj_t *self);