modem-3gpp: add 'Pco' property to Modem3gpp interface

This patch adds a 'Pco' property to the Modem3gpp interface for tracking
PCOs that the modem has received from the network.

docs/reference/libmm-glib/libmm-glib-sections.txt

@@ -277,6 +277,7 @@ mm_modem_3gpp_get_enabled_facility_locks
 mm_modem_3gpp_get_registration_state
 mm_modem_3gpp_get_subscription_state
 mm_modem_3gpp_get_eps_ue_mode_operation
+mm_modem_3gpp_get_pco
 <SUBSECTION Methods>
 mm_modem_3gpp_register
 mm_modem_3gpp_register_finish
@@ -1703,6 +1704,8 @@ mm_gdbus_modem3gpp_dup_operator_name
 mm_gdbus_modem3gpp_get_enabled_facility_locks
 mm_gdbus_modem3gpp_get_subscription_state
 mm_gdbus_modem3gpp_get_eps_ue_mode_operation
+mm_gdbus_modem3gpp_get_pco
+mm_gdbus_modem3gpp_dup_pco
 <SUBSECTION Methods>
 mm_gdbus_modem3gpp_call_register
 mm_gdbus_modem3gpp_call_register_finish
@@ -1726,6 +1729,7 @@ mm_gdbus_modem3gpp_set_operator_name
 mm_gdbus_modem3gpp_set_registration_state
 mm_gdbus_modem3gpp_set_subscription_state
 mm_gdbus_modem3gpp_set_eps_ue_mode_operation
+mm_gdbus_modem3gpp_set_pco
 <SUBSECTION Standard>
 MM_GDBUS_IS_MODEM3GPP
 MM_GDBUS_MODEM3GPP

introspection/org.freedesktop.ModemManager1.Modem.Modem3gpp.xml

@@ -164,5 +164,12 @@
     -->
     <property name="EpsUeModeOperation" type="u" access="read" />
 
+    <!--
+        Pco:
+
+        The raw PCOs received from the network.
+    -->
+    <property name="Pco" type="a(ubay)" access="read" />
+
   </interface>
 </node>

libmm-glib/mm-modem-3gpp.c

@@ -26,6 +26,7 @@
 #include "mm-helpers.h"
 #include "mm-errors-types.h"
 #include "mm-modem-3gpp.h"
+#include "mm-pco.h"
 
 /**
  * SECTION: mm-modem-3gpp
@@ -298,6 +299,45 @@ mm_modem_3gpp_get_eps_ue_mode_operation (MMModem3gpp *self)
 
 /*****************************************************************************/
 
+/**
+ * mm_modem_3gpp_get_pco:
+ * @self: A #MMModem3gpp.
+ *
+ * Get the list of #MMPco received from the network.
+ *
+ * The caller is responsible for freeing the returned #GList with
+ * mm_pco_list_free().
+ *
+ * Returns: (transfer full): A list of #MMPco.
+ */
+GList *
+mm_modem_3gpp_get_pco (MMModem3gpp *self)
+{
+    GList *pco_list = NULL;
+    GVariant *container, *child;
+    GVariantIter iter;
+
+    g_return_val_if_fail (MM_IS_MODEM_3GPP (self), NULL);
+
+    container = mm_gdbus_modem3gpp_get_pco (MM_GDBUS_MODEM3GPP (self));
+
+    g_return_val_if_fail (g_variant_is_of_type (container, G_VARIANT_TYPE ("a(ubay)")),
+                          NULL);
+    g_variant_iter_init (&iter, container);
+    while ((child = g_variant_iter_next_value (&iter))) {
+        MMPco *pco;
+
+        pco = mm_pco_from_variant (child, NULL);
+        pco_list = mm_pco_list_add (pco_list, pco);
+        g_object_unref (pco);
+        g_variant_unref (child);
+    }
+
+    return pco_list;
+}
+
+/*****************************************************************************/
+
 /**
  * mm_modem_3gpp_register_finish:
  * @self: A #MMModem3gpp.

libmm-glib/mm-modem-3gpp.h

@@ -82,6 +82,8 @@ MMModem3gppFacility           mm_modem_3gpp_get_enabled_facility_locks (MMModem3
 
 MMModem3gppEpsUeModeOperation mm_modem_3gpp_get_eps_ue_mode_operation  (MMModem3gpp *self);
 
+GList   *mm_modem_3gpp_get_pco         (MMModem3gpp *self);
+
 void     mm_modem_3gpp_register        (MMModem3gpp *self,
                                         const gchar *network_id,
                                         GCancellable *cancellable,

src/mm-iface-modem-3gpp.c

@@ -1540,6 +1540,34 @@ periodic_registration_check_enable (MMIfaceModem3gpp *self)
 
 /*****************************************************************************/
 
+void
+mm_iface_modem_3gpp_update_pco_list (MMIfaceModem3gpp *self,
+                                     const GList *pco_list)
+{
+    MmGdbusModem3gpp *skeleton = NULL;
+    GVariantBuilder builder;
+    GVariant *variant;
+    const GList *iter;
+
+    g_object_get (self,
+                  MM_IFACE_MODEM_3GPP_DBUS_SKELETON, &skeleton,
+                  NULL);
+    if (!skeleton)
+        return;
+
+    g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(ubay)"));
+    for (iter = pco_list; iter; iter = g_list_next (iter)) {
+        g_variant_builder_add_value (&builder,
+                                     mm_pco_to_variant (MM_PCO (iter->data)));
+    }
+    variant = g_variant_ref_sink (g_variant_builder_end (&builder));
+    mm_gdbus_modem3gpp_set_pco (skeleton, variant);
+    g_variant_unref (variant);
+    g_object_unref (skeleton);
+}
+
+/*****************************************************************************/
+
 typedef struct _DisablingContext DisablingContext;
 static void interface_disabling_step (GTask *task);
 
@@ -2242,6 +2270,7 @@ mm_iface_modem_3gpp_initialize (MMIfaceModem3gpp *self,
         mm_gdbus_modem3gpp_set_operator_name (skeleton, NULL);
         mm_gdbus_modem3gpp_set_enabled_facility_locks (skeleton, MM_MODEM_3GPP_FACILITY_NONE);
         mm_gdbus_modem3gpp_set_subscription_state (skeleton, MM_MODEM_3GPP_SUBSCRIPTION_STATE_UNKNOWN);
+        mm_gdbus_modem3gpp_set_pco (skeleton, NULL);
 
         /* Bind our RegistrationState property */
         g_object_bind_property (self, MM_IFACE_MODEM_3GPP_REGISTRATION_STATE,

src/mm-iface-modem-3gpp.h

@@ -259,6 +259,8 @@ void mm_iface_modem_3gpp_update_location            (MMIfaceModem3gpp *self,
                                                      gulong location_area_code,
                                                      gulong tracking_area_code,
                                                      gulong cell_id);
+void mm_iface_modem_3gpp_update_pco_list            (MMIfaceModem3gpp *self,
+                                                     const GList *pco_list);
 
 /* Run all registration checks */
 void mm_iface_modem_3gpp_run_registration_checks (MMIfaceModem3gpp *self,