This implementation can only get/set the default APN setting. But
anything expected for this atom is there:
* D-Bus interface
* sync-ing settings to/from file
* interaction with driver
---
src/lte.c | 341 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 341 insertions(+)
create mode 100644 src/lte.c
diff --git a/src/lte.c b/src/lte.c
new file mode 100644
index 0000000..cde0496
--- /dev/null
+++ b/src/lte.c
@@ -0,0 +1,341 @@
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2016 Endocode AG. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <errno.h>
+
+#include <glib.h>
+#include <gdbus.h>
+
+#include "ofono.h"
+
+#include "common.h"
+#include "log.h"
+#include "gprs-context.h"
+#include "storage.h"
+
+#include "lte.h"
+
+#define SETTINGS_STORE "lte"
+#define SETTINGS_GROUP "Settings"
+
+struct ofono_lte {
+ const struct ofono_lte_driver *driver;
+ void *driver_data;
+ struct ofono_atom *atom;
+ char *imsi;
+ GKeyFile *settings;
+ struct ofono_lte_context_config config;
+};
+
+static GSList *g_drivers = NULL;
+
+static void lte_load_settings(struct ofono_lte *lte)
+{
+ char *apn;
+
+ if (lte->imsi == NULL)
+ return;
+
+ lte->settings = storage_open(lte->imsi, SETTINGS_STORE);
+
+ if (lte->settings == NULL) {
+ ofono_error("LTE: Can't open settings file, "
+ "changes won't be persistent");
+ return;
+ }
+
+ apn = g_key_file_get_string(lte->settings, SETTINGS_GROUP ,
+ "DefaultAPN", NULL);
+ if (apn) {
+ strcpy(lte->config.apn, apn);
+
+ if (lte->driver)
+ lte->driver->config(lte, <e->config, NULL, NULL);
+ }
+}
+
+static void append_lte_properties(struct ofono_lte *lte,
+ DBusMessageIter *dict)
+{
+ const char *apn = lte->config.apn;
+
+ ofono_dbus_dict_append(dict, "DefaultAPN", DBUS_TYPE_STRING, &apn);
+}
+
+static DBusMessage *lte_get_properties(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct ofono_lte *lte = data;
+ DBusMessage *reply;
+ DBusMessageIter iter;
+ DBusMessageIter dict;
+
+ reply = dbus_message_new_method_return(msg);
+ if (reply == NULL)
+ return NULL;
+
+ dbus_message_iter_init_append(reply, &iter);
+
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ OFONO_PROPERTIES_ARRAY_SIGNATURE,
+ &dict);
+ append_lte_properties(lte, &dict);
+ dbus_message_iter_close_container(&iter, &dict);
+
+ return reply;
+}
+
+static DBusMessage *lte_set_default_apn(struct ofono_lte *lte,
+ DBusConnection *conn, DBusMessage *msg,
+ const char *apn)
+{
+ const char *path = __ofono_atom_get_path(lte->atom);
+
+ if (strlen(apn) > OFONO_GPRS_MAX_APN_LENGTH)
+ return __ofono_error_invalid_format(msg);
+
+ if (g_str_equal(apn, lte->config.apn))
+ return dbus_message_new_method_return(msg);
+
+ /* We do care about empty value: it can be used for reset. */
+ if (is_valid_apn(apn) == FALSE && apn[0] != '\0')
+ return __ofono_error_invalid_format(msg);
+
+ strcpy(lte->config.apn, apn);
+
+ if (lte->settings) {
+ if (strlen(apn) == 0)
+ /* Clear entry on empty APN. */
+ g_key_file_remove_key(lte->settings, SETTINGS_GROUP,
+ "DefaultAPN", NULL);
+ else
+ g_key_file_set_string(lte->settings, SETTINGS_GROUP,
+ "DefaultAPN", lte->config.apn);
+
+ storage_sync(lte->imsi, SETTINGS_STORE, lte->settings);
+ }
+
+ if (lte->driver)
+ lte->driver->config(lte, <e->config, NULL, NULL);
+
+ if (msg)
+ g_dbus_send_reply(conn, msg, DBUS_TYPE_INVALID);
+
+ ofono_dbus_signal_property_changed(conn, path,
+ OFONO_CONNECTION_CONTEXT_INTERFACE,
+ "DefaultAPN",
+ DBUS_TYPE_STRING, &apn);
+
+ return NULL;
+
+}
+
+static DBusMessage *lte_set_property(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ struct ofono_lte *lte = data;
+ DBusMessageIter iter;
+ DBusMessageIter var;
+ const char *property;
+ const char *str;
+
+ if (!dbus_message_iter_init(msg, &iter))
+ return __ofono_error_invalid_args(msg);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return __ofono_error_invalid_args(msg);
+
+ dbus_message_iter_get_basic(&iter, &property);
+ dbus_message_iter_next(&iter);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+ return __ofono_error_invalid_args(msg);
+
+ dbus_message_iter_recurse(&iter, &var);
+
+
+ if (!strcmp(property, "DefaultAPN")) {
+ if (dbus_message_iter_get_arg_type(&var) != DBUS_TYPE_STRING)
+ return __ofono_error_invalid_args(msg);
+
+ dbus_message_iter_get_basic(&var, &str);
+
+ return lte_set_default_apn(lte, conn, msg, str);
+ }
+
+
+ return __ofono_error_invalid_args(msg);
+}
+
+static const GDBusMethodTable lte_methods[] = {
+ { GDBUS_METHOD("GetProperties",
+ NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
+ lte_get_properties) },
+ { GDBUS_ASYNC_METHOD("SetProperty",
+ GDBUS_ARGS({ "property", "s" }, { "value", "v" }),
+ NULL, lte_set_property) },
+ { }
+};
+
+static const GDBusSignalTable lte_signals[] = {
+ { GDBUS_SIGNAL("PropertyChanged",
+ GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
+ { }
+};
+
+static void lte_atom_remove(struct ofono_atom *atom)
+{
+ struct ofono_lte *lte = __ofono_atom_get_data(atom);
+
+ DBG("atom: %p", atom);
+
+ if (lte == NULL)
+ return;
+
+ if (lte->settings) {
+ storage_close(lte->imsi, SETTINGS_STORE, lte->settings, TRUE);
+
+ g_free(lte->imsi);
+ lte->imsi = NULL;
+ lte->settings = NULL;
+ }
+
+ if (lte->driver && lte->driver->remove)
+ lte->driver->remove(lte);
+
+ g_free(lte);
+}
+
+
+struct ofono_lte *ofono_lte_create(struct ofono_modem *modem,
+ const char *driver, void *data)
+{
+ struct ofono_lte *lte;
+ GSList *l;
+
+ if (driver == NULL)
+ return NULL;
+
+ lte = g_try_new0(struct ofono_lte, 1);
+
+ if (lte == NULL)
+ return NULL;
+
+ lte->atom = __ofono_modem_add_atom(modem, OFONO_ATOM_TYPE_LTE,
+ lte_atom_remove, lte);
+
+ for (l = g_drivers; l; l = l->next) {
+ const struct ofono_lte_driver *drv = l->data;
+
+ if (g_strcmp0(drv->name, driver))
+ continue;
+
+ if (drv->probe(lte, data) < 0)
+ continue;
+
+ lte->driver = drv;
+ break;
+ }
+
+ DBG("LTE atom created");
+
+ return lte;
+}
+
+int ofono_lte_driver_register(const struct ofono_lte_driver *d)
+{
+ DBG("driver: %p, name: %s", d, d->name);
+
+ if (d->probe == NULL)
+ return -EINVAL;
+
+ g_drivers = g_slist_prepend(g_drivers, (void *) d);
+
+ return 0;
+}
+
+void ofono_lte_driver_unregister(const struct ofono_lte_driver *d)
+{
+ DBG("driver: %p, name: %s", d, d->name);
+
+ g_drivers = g_slist_remove(g_drivers, (void *) d);
+}
+
+static void lte_atom_unregister(struct ofono_atom *atom)
+{
+ DBusConnection *conn = ofono_dbus_get_connection();
+ struct ofono_modem *modem = __ofono_atom_get_modem(atom);
+ const char *path = __ofono_atom_get_path(atom);
+
+ ofono_modem_remove_interface(modem, OFONO_LTE_INTERFACE);
+ g_dbus_unregister_interface(conn, path, OFONO_LTE_INTERFACE);
+}
+
+void ofono_lte_register(struct ofono_lte *lte)
+{
+ DBusConnection *conn = ofono_dbus_get_connection();
+ struct ofono_modem *modem = __ofono_atom_get_modem(lte->atom);
+ const char *path = __ofono_atom_get_path(lte->atom);
+ struct ofono_sim *sim = __ofono_atom_find(OFONO_ATOM_TYPE_SIM, modem);
+ const char *imsi = ofono_sim_get_imsi(sim);
+
+ if (imsi == NULL) {
+ ofono_error("No sim atom required for registering LTE atom.");
+ return;
+ }
+
+ lte->imsi = g_strdup(imsi);
+
+ lte_load_settings(lte);
+
+ if (!g_dbus_register_interface(conn, path,
+ OFONO_LTE_INTERFACE,
+ lte_methods, lte_signals, NULL,
+ lte, NULL)) {
+ ofono_error("Could not create %s interface",
+ OFONO_LTE_INTERFACE);
+ return;
+ }
+
+ ofono_modem_add_interface(modem, OFONO_LTE_INTERFACE);
+
+ __ofono_atom_register(lte->atom, lte_atom_unregister);
+}
+
+void ofono_lte_remove(struct ofono_lte *lte)
+{
+ __ofono_atom_free(lte->atom);
+}
+
+void ofono_lte_set_data(struct ofono_lte *lte, void *data)
+{
+ lte->driver_data = data;
+}
+
+void *ofono_lte_get_data(struct ofono_lte *lte)
+{
+ return lte->driver_data;
+}
--
2.7.4
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