libmm-glib,modem-helpers,mm-base-sim: implement Sim.PreferredNetworks

The ModemManager1.Sim.PreferredNetworks property contains the preferred
networks (and access technologies, if available) configured to the
SIM card.

This commit implements preferred networks reading with AT+CPOL.

1 files changed, 68 insertions, 0 deletions

diff --git a/libmm-glib/mm-sim-preferred-network.h b/libmm-glib/mm-sim-preferred-network.h
new file mode 100644
index 00000000..e6042587
--- /dev/null
+++ b/libmm-glib/mm-sim-preferred-network.h
@@ -0,0 +1,68 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2021 UROS Ltd
+ */
+
+#ifndef MM_SIM_PREFERRED_NETWORK_H
+#define MM_SIM_PREFERRED_NETWORK_H
+
+#if !defined (__LIBMM_GLIB_H_INSIDE__) && !defined (LIBMM_GLIB_COMPILATION)
+#error "Only <libmm-glib.h> can be included directly."
+#endif
+
+#include <ModemManager.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+/**
+ * MMSimPreferredNetwork:
+ *
+ * The #MMSimPreferredNetwork structure contains private data and should only be accessed
+ * using the provided API.
+ */
+typedef struct _MMSimPreferredNetwork MMSimPreferredNetwork;
+
+#define MM_TYPE_SIM_PREFERRED_NETWORK (mm_sim_preferred_network_get_type ())
+GType mm_sim_preferred_network_get_type (void);
+
+const gchar                    *mm_sim_preferred_network_get_operator_code     (const MMSimPreferredNetwork *self);
+MMModemAccessTechnology         mm_sim_preferred_network_get_access_technology (const MMSimPreferredNetwork *self);
+
+void                            mm_sim_preferred_network_free                  (MMSimPreferredNetwork *self);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMSimPreferredNetwork, mm_sim_preferred_network_free)
+
+/*****************************************************************************/
+/* ModemManager/libmm-glib/mmcli specific methods */
+
+#if defined (_LIBMM_INSIDE_MM) ||    \
+    defined (_LIBMM_INSIDE_MMCLI) || \
+    defined (LIBMM_GLIB_COMPILATION)
+
+MMSimPreferredNetwork *         mm_sim_preferred_network_new                   (void);
+MMSimPreferredNetwork *         mm_sim_preferred_network_new_from_variant      (GVariant *variant);
+
+void                            mm_sim_preferred_network_set_operator_code     (MMSimPreferredNetwork *self,
+                                                                                const gchar *operator_code);
+void                            mm_sim_preferred_network_set_access_technology (MMSimPreferredNetwork *self,
+                                                                                MMModemAccessTechnology access_technology);
+
+GVariant *mm_sim_preferred_network_get_tuple        (const MMSimPreferredNetwork *self);
+GVariant *mm_sim_preferred_network_list_get_variant (const GList *preferred_network_list);
+
+#endif
+
+G_END_DECLS
+
+#endif /* MM_SIM_PREFERRED_NETWORK_H */