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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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55
spa/plugins/bluez5/backend-native.c
View file

@ -68,19 +68,22 @@ enum {
HFP_AG_INITIAL_CODEC_SETUP_WAIT
};
#define CIND_INDICATORS "(\"service\",(0-1)),(\"call\",(0-1)),(\"callsetup\",(0-3)),(\"callheld\",(0-2)),(\"signal\",(0-5))"
#define CIND_INDICATORS "(\"service\",(0-1)),(\"call\",(0-1)),(\"callsetup\",(0-3)),(\"callheld\",(0-2)),(\"signal\",(0-5)),(\"roam\",(0-1))"
enum {
CIND_SERVICE = 1,
CIND_CALL,
CIND_CALLSETUP,
CIND_CALLHELD,
CIND_SIGNAL,
CIND_ROAM,
CIND_MAX
};
struct modem {
bool network_has_service;
unsigned int signal_strength;
bool network_is_roaming;
char *operator_name;
};
struct impl {
@ -813,9 +816,9 @@ static bool rfcomm_hfp_ag(struct rfcomm *rfcomm, char* buf)
rfcomm_send_reply(rfcomm, "+CIND:%s", CIND_INDICATORS);
rfcomm_send_reply(rfcomm, "OK");
} else if (spa_strstartswith(buf, "AT+CIND?")) {
rfcomm_send_reply(rfcomm, "+CIND: %d,%d,0,0,%d", backend->modem.network_has_service,
rfcomm_send_reply(rfcomm, "+CIND: %d,%d,0,0,%d,%d", backend->modem.network_has_service,
rfcomm->cind_call_active,
backend->modem.signal_strength);
backend->modem.signal_strength, backend->modem.network_is_roaming);
rfcomm_send_reply(rfcomm, "OK");
} else if (spa_strstartswith(buf, "AT+CMER")) {
int mode, keyp, disp, ind;
@ -926,6 +929,25 @@ next_indicator:
}
rfcomm_send_reply(rfcomm, "OK");
} else if (spa_strstartswith(buf, "AT+COPS=")) {
unsigned int mode, val;
if (sscanf(buf, "AT+COPS=%u,%u", &mode, &val) != 2 ||
mode != 3 || val != 0) {
rfcomm_send_reply(rfcomm, "ERROR");
} else {
rfcomm_send_reply(rfcomm, "OK");
}
} else if (spa_strstartswith(buf, "AT+COPS?")) {
if (!backend->modem.network_has_service) {
rfcomm_send_reply(rfcomm, "ERROR");
} else {
if (backend->modem.operator_name)
rfcomm_send_reply(rfcomm, "+COPS: 0,0,\"%s\"", backend->modem.operator_name);
else
rfcomm_send_reply(rfcomm, "+COPS: 0,,");
rfcomm_send_reply(rfcomm, "OK");
}
} else if (sscanf(buf, "AT+VGM=%u", &gain) == 1) {
if (gain <= SPA_BT_VOLUME_HS_MAX) {
if (!rfcomm->broken_mic_hw_volume)
@ -2311,6 +2333,29 @@ static void send_ciev_for_each_rfcomm(struct impl *backend, int indicator, int v
}
}
static void set_modem_operator_name(const char *name, void *user_data)
{
struct impl *backend = user_data;
if (backend->modem.operator_name) {
free(backend->modem.operator_name);
backend->modem.operator_name = NULL;
}
if (name)
backend->modem.operator_name = strdup(name);
}
static void set_modem_roaming(bool is_roaming, void *user_data)
{
struct impl *backend = user_data;
if (backend->modem.network_is_roaming != is_roaming) {
backend->modem.network_is_roaming = is_roaming;
send_ciev_for_each_rfcomm(backend, CIND_ROAM, is_roaming);
}
}
static void set_modem_service(bool available, void *user_data)
{
struct impl *backend = user_data;
@ -2357,6 +2402,8 @@ static int backend_native_free(void *data)
spa_list_consume(rfcomm, &backend->rfcomm_list, link)
rfcomm_free(rfcomm);
if (backend->modem.operator_name)
free(backend->modem.operator_name);
free(backend);
return 0;
@ -2394,6 +2441,8 @@ static const struct spa_bt_backend_implementation backend_impl = {
static const struct mm_ops mm_ops = {
.set_modem_service = set_modem_service,
.set_modem_signal_strength = set_modem_signal_strength,
.set_modem_operator_name = set_modem_operator_name,
.set_modem_roaming = set_modem_roaming,
};
struct spa_bt_backend *backend_native_new(struct spa_bt_monitor *monitor,

62
spa/plugins/bluez5/modemmanager.c
View file

@ -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) {

2
spa/plugins/bluez5/modemmanager.h
View file

@ -30,6 +30,8 @@
struct mm_ops {
void (*set_modem_service)(bool available, void *user_data);
void (*set_modem_signal_strength)(unsigned int strength, void *user_data);
void (*set_modem_operator_name)(const char *name, void *user_data);
void (*set_modem_roaming)(bool is_roaming, void *user_data);
};
#ifdef HAVE_BLUEZ_5_BACKEND_NATIVE_MM