broadband-modem-mbim: implement network scan

src/mm-broadband-modem-mbim.c

@@ -2300,6 +2300,81 @@ modem_3gpp_register_in_network (MMIfaceModem3gpp *self,
     mbim_message_unref (message);
 }
 
+/*****************************************************************************/
+/* Scan networks (3GPP interface) */
+
+static GList *
+modem_3gpp_scan_networks_finish (MMIfaceModem3gpp *self,
+                                 GAsyncResult *res,
+                                 GError **error)
+{
+    if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
+        return NULL;
+
+    return g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res));
+}
+
+static void
+visible_providers_query_ready (MbimDevice *device,
+                               GAsyncResult *res,
+                               GSimpleAsyncResult *simple)
+{
+    MbimMessage *response;
+    GError *error = NULL;
+    MbimProvider **providers;
+    guint n_providers;
+
+    response = mbim_device_command_finish (device, res, &error);
+    if (response &&
+        mbim_message_command_done_get_result (response, &error) &&
+        mbim_message_visible_providers_response_parse (
+            response,
+            &n_providers,
+            &providers,
+            &error)) {
+        GList *info_list;
+
+        info_list = mm_3gpp_network_info_list_from_mbim_providers ((const MbimProvider *const *)providers,
+                                                                   n_providers);
+        g_simple_async_result_set_op_res_gpointer (simple, info_list, NULL);
+        mbim_provider_array_free (providers);
+    } else
+        g_simple_async_result_take_error (simple, error);
+
+    if (response)
+        mbim_message_unref (response);
+    g_simple_async_result_complete (simple);
+    g_object_unref (simple);
+}
+
+static void
+modem_3gpp_scan_networks (MMIfaceModem3gpp *self,
+                          GAsyncReadyCallback callback,
+                          gpointer user_data)
+{
+    GSimpleAsyncResult *result;
+    MbimDevice *device;
+    MbimMessage *message;
+
+    if (!peek_device (self, &device, callback, user_data))
+        return;
+
+    result = g_simple_async_result_new (G_OBJECT (self),
+                                        callback,
+                                        user_data,
+                                        modem_3gpp_scan_networks);
+
+    mm_dbg ("scanning networks...");
+    message = mbim_message_visible_providers_query_new (MBIM_VISIBLE_PROVIDERS_ACTION_FULL_SCAN, NULL);
+    mbim_device_command (device,
+                         message,
+                         120,
+                         NULL,
+                         (GAsyncReadyCallback)visible_providers_query_ready,
+                         result);
+    mbim_message_unref (message);
+}
+
 /*****************************************************************************/
 /* Check support (Messaging interface) */
 
@@ -2698,10 +2773,8 @@ iface_modem_3gpp_init (MMIfaceModem3gpp *iface)
     iface->run_registration_checks_finish = modem_3gpp_run_registration_checks_finish;
     iface->register_in_network = modem_3gpp_register_in_network;
     iface->register_in_network_finish = modem_3gpp_register_in_network_finish;
-
+    iface->scan_networks = modem_3gpp_scan_networks;
-    /* TODO: use MBIM_CID_VISIBLE_PROVIDERS */
+    iface->scan_networks_finish = modem_3gpp_scan_networks_finish;
-    iface->scan_networks = NULL;
-    iface->scan_networks_finish = NULL;
 }
 
 static void

src/mm-modem-helpers-mbim.c

@@ -14,6 +14,7 @@
  */
 
 #include "mm-modem-helpers-mbim.h"
+#include "mm-modem-helpers.h"
 #include "mm-enums-types.h"
 #include "mm-errors-types.h"
 #include "mm-log.h"
@@ -127,6 +128,53 @@ mm_modem_access_technology_from_mbim_data_class (MbimDataClass data_class)
 
 /*****************************************************************************/
 
+MMModem3gppNetworkAvailability
+mm_modem_3gpp_network_availability_from_mbim_provider_state (MbimProviderState state)
+{
+    switch (state) {
+    case MBIM_PROVIDER_STATE_HOME:
+    case MBIM_PROVIDER_STATE_PREFERRED:
+    case MBIM_PROVIDER_STATE_VISIBLE:
+    case MBIM_PROVIDER_STATE_PREFERRED_MULTICARRIER:
+        return MM_MODEM_3GPP_NETWORK_AVAILABILITY_AVAILABLE;
+    case MBIM_PROVIDER_STATE_REGISTERED:
+        return MM_MODEM_3GPP_NETWORK_AVAILABILITY_CURRENT;
+    case MBIM_PROVIDER_STATE_FORBIDDEN:
+        return MM_MODEM_3GPP_NETWORK_AVAILABILITY_FORBIDDEN;
+    case MBIM_PROVIDER_STATE_UNKNOWN:
+    default:
+        return MM_MODEM_3GPP_NETWORK_AVAILABILITY_UNKNOWN;
+    }
+}
+
+/*****************************************************************************/
+
+GList *
+mm_3gpp_network_info_list_from_mbim_providers (const MbimProvider *const *providers, guint n_providers)
+{
+    GList *info_list = NULL;
+    guint i;
+
+    g_return_val_if_fail (providers != NULL, NULL);
+
+    for (i = 0; i < n_providers; i++) {
+        MM3gppNetworkInfo *info;
+
+        info = g_new0 (MM3gppNetworkInfo, 1);
+        info->status = mm_modem_3gpp_network_availability_from_mbim_provider_state (providers[i]->provider_state);
+        info->operator_long = g_strdup (providers[i]->provider_name);
+        info->operator_short = g_strdup (providers[i]->provider_name);
+        info->operator_code = g_strdup (providers[i]->provider_id);
+        info->access_tech = mm_modem_access_technology_from_mbim_data_class (providers[i]->cellular_class);
+
+        info_list = g_list_append (info_list, info);
+    }
+
+    return info_list;
+}
+
+/*****************************************************************************/
+
 GError *
 mm_mobile_equipment_error_from_mbim_nw_error (MbimNwError nw_error)
 {

src/mm-modem-helpers-mbim.h

@@ -30,6 +30,10 @@ MMModem3gppRegistrationState mm_modem_3gpp_registration_state_from_mbim_register
 
 MMModemAccessTechnology mm_modem_access_technology_from_mbim_data_class (MbimDataClass data_class);
 
+MMModem3gppNetworkAvailability mm_modem_3gpp_network_availability_from_mbim_provider_state (MbimProviderState state);
+
+GList *mm_3gpp_network_info_list_from_mbim_providers (const MbimProvider *const *providers, guint n_providers);
+
 GError *mm_mobile_equipment_error_from_mbim_nw_error (MbimNwError nw_error);
 
 /*****************************************************************************/