sim-mbim: read operator name and id from SIM EF files
Currently the SIM operator name and code are read using the "Home Provider" query operation which may perform network communication to get name provided by operator. This may take long to complete or even timeout. Solution is to read name and id from SIM card.
This commit is contained in:
Michal Mazur
committed by
Aleksander Morgado
Aleksander Morgado
parent
64646b98cd
commit
257839c66e
+167
-122
@@ -822,128 +822,6 @@ load_eid (MMBaseSim *self,
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esim_check_step (device, task);
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}
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/*****************************************************************************/
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/* Load operator identifier */
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static gchar *
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load_operator_identifier_finish (MMBaseSim *self,
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GAsyncResult *res,
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GError **error)
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{
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return g_task_propagate_pointer (G_TASK (res), error);
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}
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static void
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load_operator_identifier_ready (MbimDevice *device,
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GAsyncResult *res,
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GTask *task)
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{
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MbimMessage *response;
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GError *error = NULL;
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MbimProvider *provider;
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response = mbim_device_command_finish (device, res, &error);
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if (response &&
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mbim_message_response_get_result (response, MBIM_MESSAGE_TYPE_COMMAND_DONE, &error) &&
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mbim_message_home_provider_response_parse (
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response,
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&provider,
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&error)) {
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g_task_return_pointer (task, g_strdup (provider->provider_id), g_free);
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mbim_provider_free (provider);
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} else
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g_task_return_error (task, error);
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g_object_unref (task);
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if (response)
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mbim_message_unref (response);
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}
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static void
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load_operator_identifier (MMBaseSim *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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MbimDevice *device;
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MbimMessage *message;
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GTask *task;
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if (!peek_device (self, &device, callback, user_data))
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return;
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task = g_task_new (self, NULL, callback, user_data);
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message = mbim_message_home_provider_query_new (NULL);
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mbim_device_command (device,
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message,
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30,
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NULL,
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(GAsyncReadyCallback)load_operator_identifier_ready,
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task);
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mbim_message_unref (message);
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}
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/*****************************************************************************/
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/* Load operator name */
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static gchar *
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load_operator_name_finish (MMBaseSim *self,
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GAsyncResult *res,
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GError **error)
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{
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return g_task_propagate_pointer (G_TASK (res), error);
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}
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static void
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load_operator_name_ready (MbimDevice *device,
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GAsyncResult *res,
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GTask *task)
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{
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MbimMessage *response;
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GError *error = NULL;
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MbimProvider *provider;
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response = mbim_device_command_finish (device, res, &error);
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if (response &&
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mbim_message_response_get_result (response, MBIM_MESSAGE_TYPE_COMMAND_DONE, &error) &&
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mbim_message_home_provider_response_parse (
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response,
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&provider,
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&error)) {
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g_task_return_pointer (task, g_strdup (provider->provider_name), g_free);
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mbim_provider_free (provider);
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} else
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g_task_return_error (task, error);
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g_object_unref (task);
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if (response)
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mbim_message_unref (response);
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}
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static void
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load_operator_name (MMBaseSim *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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MbimDevice *device;
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MbimMessage *message;
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GTask *task;
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if (!peek_device (self, &device, callback, user_data))
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return;
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task = g_task_new (self, NULL, callback, user_data);
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message = mbim_message_home_provider_query_new (NULL);
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mbim_device_command (device,
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message,
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30,
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NULL,
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(GAsyncReadyCallback)load_operator_name_ready,
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task);
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mbim_message_unref (message);
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}
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/*****************************************************************************/
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/* Common method to read transparent files */
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@@ -1149,6 +1027,173 @@ common_read_binary (MMSimMbim *self,
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task);
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}
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/*****************************************************************************/
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/* Load operator identifier */
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static gchar *
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load_operator_identifier_finish (MMBaseSim *self,
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GAsyncResult *res,
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GError **error)
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{
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return g_task_propagate_pointer (G_TASK (res), error);
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}
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static void
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parent_load_operator_id_ready (MMBaseSim *self,
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GAsyncResult *res,
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GTask *task)
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{
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g_autoptr(GError) error = NULL;
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gchar *value;
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value = MM_BASE_SIM_CLASS (mm_sim_mbim_parent_class)->load_operator_identifier_finish (self, res, &error);
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if (value) {
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g_task_return_pointer (task, value, g_free);
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} else {
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mm_obj_dbg (self, "failed reading operator ID using AT: %s", error->message);
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g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
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"Failed reading operator ID from SIM card");
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}
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g_object_unref (task);
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}
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static void
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common_read_binary_operator_id_ready (MMSimMbim *self,
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GAsyncResult *res,
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GTask *task)
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{
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g_autoptr(GError) error = NULL;
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GByteArray *value;
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value = common_read_binary_finish (self, res, &error);
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if (!value) {
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mm_obj_dbg (self, "failed reading operator ID using MBIM: %s", error->message);
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} else if (value->len != 4) {
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mm_obj_dbg (self, "failed reading operator ID using MBIM: unexpected field size");
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} else {
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guint mnc_len = value->data[3];
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if (mnc_len == 2 || mnc_len == 3) {
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g_task_return_pointer (task, g_strndup (self->priv->imsi, 3 + mnc_len), g_free);
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g_object_unref (task);
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return;
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}
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mm_obj_dbg (self, "failed reading operator ID using MBIM: unexpected MNC length: %u", mnc_len);
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}
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/* Fallback to parent implementation if possible */
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MM_BASE_SIM_CLASS (mm_sim_mbim_parent_class)->load_operator_identifier (MM_BASE_SIM (self),
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(GAsyncReadyCallback)parent_load_operator_id_ready,
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task);
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}
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static void
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load_operator_identifier (MMBaseSim *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GTask *task;
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const guint8 file_path[] = { 0x7F, 0xFF, 0x6F, 0xAD };
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task = g_task_new (self, NULL, callback, user_data);
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common_read_binary (MM_SIM_MBIM (self),
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file_path,
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G_N_ELEMENTS (file_path),
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(GAsyncReadyCallback)common_read_binary_operator_id_ready,
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task);
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}
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/*****************************************************************************/
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/* Load operator name */
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static gchar *
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load_operator_name_finish (MMBaseSim *self,
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GAsyncResult *res,
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GError **error)
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{
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return g_task_propagate_pointer (G_TASK (res), error);
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}
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static void
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parent_load_operator_name_ready (MMBaseSim *self,
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GAsyncResult *res,
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GTask *task)
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{
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g_autoptr(GError) error = NULL;
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gchar *value;
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value = MM_BASE_SIM_CLASS (mm_sim_mbim_parent_class)->load_operator_name_finish (self, res, &error);
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if (value) {
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g_task_return_pointer (task, value, g_free);
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} else {
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mm_obj_dbg (self, "failed reading operator name using AT: %s", error->message);
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g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
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"Failed reading operator name from SIM card");
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}
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g_object_unref (task);
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}
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static void
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common_read_binary_operator_name_ready (MMSimMbim *self,
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GAsyncResult *res,
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GTask *task)
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{
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g_autoptr(GError) error = NULL;
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GByteArray *value;
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value = common_read_binary_finish (self, res, &error);
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if (!value) {
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mm_obj_dbg (self, "failed reading operator name using MBIM: %s", error->message);
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} else {
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gsize len = value->len;
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while (len > 1 && value->data[len - 1] == 0xff)
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len--;
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if (len <= 1) {
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mm_obj_dbg (self, "failed reading operator name using MBIM: value is empty");
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} else {
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g_autoptr(GByteArray) array = NULL;
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gchar *name;
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/* Remove the first metadata byte and convert remainder to UTF8 string */
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array = g_byte_array_sized_new (len - 1);
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g_byte_array_append (array, value->data + 1, len - 1);
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name = mm_modem_charset_bytearray_to_utf8 (array, MM_MODEM_CHARSET_GSM, FALSE, &error);
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if (name) {
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g_task_return_pointer (task, name, g_free);
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g_object_unref (task);
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return;
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}
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mm_obj_dbg (self, "failed reading operator name using MBIM: %s", error->message);
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}
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}
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/* Fallback to parent implementation if possible */
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MM_BASE_SIM_CLASS (mm_sim_mbim_parent_class)->load_operator_name (MM_BASE_SIM (self),
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(GAsyncReadyCallback)parent_load_operator_name_ready,
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task);
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}
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static void
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load_operator_name (MMBaseSim *self,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GTask *task;
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const guint8 file_path[] = { 0x7F, 0xFF, 0x6F, 0x46 };
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task = g_task_new (self, NULL, callback, user_data);
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common_read_binary (MM_SIM_MBIM (self),
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file_path,
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G_N_ELEMENTS (file_path),
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(GAsyncReadyCallback)common_read_binary_operator_name_ready,
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task);
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}
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/*****************************************************************************/
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/* Read GID1 */
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