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bluez5: backend-native: Link with ModemManager Modem3GPP object

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The Modem3GPP provides information about the network the modem is registered
to like the operator name and roaming status.
This commit is contained in:
Frédéric Danis 2022-09-16 14:43:37 +02:00 • committed by Wim Taymans
parent 13f0a0755e
commit 275d2bc603
3 changed files with 116 additions and 3 deletions
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62
spa/plugins/bluez5/modemmanager.c
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@ -77,6 +77,49 @@ static bool mm_dbus_connection_send_with_reply(struct impl *this, DBusMessage *m
return true;
}
static DBusHandlerResult mm_parse_modem3gpp_properties(struct impl *this, DBusMessageIter *props_i)
{
while (dbus_message_iter_get_arg_type(props_i) != DBUS_TYPE_INVALID) {
DBusMessageIter i, value_i;
const char *key;
dbus_message_iter_recurse(props_i, &i);
dbus_message_iter_get_basic(&i, &key);
dbus_message_iter_next(&i);
dbus_message_iter_recurse(&i, &value_i);
if (spa_streq(key, MM_MODEM_MODEM3GPP_PROPERTY_OPERATORNAME)) {
char *operator_name;
dbus_message_iter_get_basic(&value_i, &operator_name);
spa_log_debug(this->log, "Network operator code: %s", operator_name);
if (this->ops->set_modem_operator_name)
this->ops->set_modem_operator_name(operator_name, this->user_data);
} else if (spa_streq(key, MM_MODEM_MODEM3GPP_PROPERTY_REGISTRATIONSTATE)) {
MMModem3gppRegistrationState state;
bool is_roaming;
dbus_message_iter_get_basic(&value_i, &state);
spa_log_debug(this->log, "Registration state: %d", state);
if (state == MM_MODEM_3GPP_REGISTRATION_STATE_ROAMING ||
state == MM_MODEM_3GPP_REGISTRATION_STATE_ROAMING_CSFB_NOT_PREFERRED ||
state == MM_MODEM_3GPP_REGISTRATION_STATE_ROAMING_SMS_ONLY)
is_roaming = true;
else
is_roaming = false;
if (this->ops->set_modem_roaming)
this->ops->set_modem_roaming(is_roaming, this->user_data);
}
dbus_message_iter_next(props_i);
}
return DBUS_HANDLER_RESULT_HANDLED;
}
static DBusHandlerResult mm_parse_modem_properties(struct impl *this, DBusMessageIter *props_i)
{
while (dbus_message_iter_get_arg_type(props_i) != DBUS_TYPE_INVALID) {
@ -175,6 +218,9 @@ static DBusHandlerResult mm_parse_interfaces(struct impl *this, DBusMessageIter
this->modem.path = strdup(path);
spa_log_debug(this->log, "Found Modem interface %s, path %s", interface, path);
mm_parse_modem_properties(this, &props_i);
} else if (spa_streq(interface, MM_DBUS_INTERFACE_MODEM_MODEM3GPP)) {
spa_log_debug(this->log, "Found Modem3GPP interface %s, path %s", interface, path);
mm_parse_modem3gpp_properties(this, &props_i);
}
dbus_message_iter_next(&element_i);
@ -221,6 +267,14 @@ finish:
dbus_message_unref(r);
}
static void mm_clean_modem3gpp(struct impl *this)
{
if (this->ops->set_modem_operator_name)
this->ops->set_modem_operator_name(NULL, this->user_data);
if (this->ops->set_modem_roaming)
this->ops->set_modem_roaming(false, this->user_data);
}
static void mm_clean_modem(struct impl *this)
{
if (this->modem.path) {
@ -258,6 +312,7 @@ static DBusHandlerResult mm_filter_cb(DBusConnection *bus, DBusMessage *m, void
if (spa_streq(name, MM_DBUS_SERVICE)) {
if (old_owner && *old_owner) {
spa_log_debug(this->log, "ModemManager daemon disappeared (%s)", old_owner);
mm_clean_modem3gpp(this);
mm_clean_modem(this);
}
@ -297,6 +352,9 @@ static DBusHandlerResult mm_filter_cb(DBusConnection *bus, DBusMessage *m, void
if (spa_streq(iface, MM_DBUS_INTERFACE_MODEM)) {
spa_log_debug(this->log, "Modem interface %s removed, path %s", iface, path);
mm_clean_modem(this);
} else if (spa_streq(iface, MM_DBUS_INTERFACE_MODEM_MODEM3GPP)) {
spa_log_debug(this->log, "Modem3GPP interface %s removed, path %s", iface, path);
mm_clean_modem3gpp(this);
}
dbus_message_iter_next(&element_i);
@ -322,6 +380,9 @@ static DBusHandlerResult mm_filter_cb(DBusConnection *bus, DBusMessage *m, void
if (spa_streq(interface, MM_DBUS_INTERFACE_MODEM)) {
spa_log_debug(this->log, "Properties changed on %s", path);
mm_parse_modem_properties(this, &props_i);
} else if (spa_streq(interface, MM_DBUS_INTERFACE_MODEM_MODEM3GPP)) {
spa_log_debug(this->log, "Properties changed on %s", path);
mm_parse_modem3gpp_properties(this, &props_i);
}
}
@ -459,6 +520,7 @@ void mm_unregister(void *data)
dbus_pending_call_unref(this->pending);
}
mm_clean_modem3gpp(this);
mm_clean_modem(this);
if (this->filters_added) {