From: Mikel Astiz <mikel.astiz@xxxxxxxxxxxx> Parse the result of ObjectManager.GetManagedObjects(), which includes all objects registered, their interfaces and the corresponding properties per interface. --- src/modules/bluetooth/bluetooth-util.c | 120 +++++++++++++++++++++++++++++++-- 1 file changed, 114 insertions(+), 6 deletions(-) diff --git a/src/modules/bluetooth/bluetooth-util.c b/src/modules/bluetooth/bluetooth-util.c index 1883c8a..ebdb684 100644 --- a/src/modules/bluetooth/bluetooth-util.c +++ b/src/modules/bluetooth/bluetooth-util.c @@ -362,8 +362,6 @@ static int parse_device_property(pa_bluetooth_device *d, DBusMessageIter *i, boo dbus_message_iter_recurse(i, &variant_i); -/* pa_log_debug("Parsing property org.bluez.Device.%s", key); */ - switch (dbus_message_iter_get_arg_type(&variant_i)) { case DBUS_TYPE_STRING: { @@ -452,6 +450,11 @@ static int parse_device_property(pa_bluetooth_device *d, DBusMessageIter *i, boo uuiddata.uuid = value; pa_hook_fire(&d->discovery->hooks[PA_BLUETOOTH_HOOK_DEVICE_UUID_ADDED], &uuiddata); + if (d->discovery->version >= BLUEZ_VERSION_5) { + dbus_message_iter_next(&ai); + continue; + } + /* Vudentz said the interfaces are here when the UUIDs are announced */ if (strcasecmp(HSP_AG_UUID, value) == 0 || strcasecmp(HFP_AG_UUID, value) == 0) { pa_assert_se(m = dbus_message_new_method_call("org.bluez", d->path, "org.bluez.HandsfreeGateway", @@ -867,16 +870,20 @@ static void register_endpoint(pa_bluetooth_discovery *y, const char *path, const send_and_add_to_pending(y, m, register_endpoint_reply, pa_xstrdup(endpoint)); } +static void register_adapter_endpoints(pa_bluetooth_discovery *y, const char *path) { + register_endpoint(y, path, HFP_AG_ENDPOINT, HFP_AG_UUID); + register_endpoint(y, path, HFP_HS_ENDPOINT, HFP_HS_UUID); + register_endpoint(y, path, A2DP_SOURCE_ENDPOINT, A2DP_SOURCE_UUID); + register_endpoint(y, path, A2DP_SINK_ENDPOINT, A2DP_SINK_UUID); +} + static void found_adapter(pa_bluetooth_discovery *y, const char *path) { DBusMessage *m; pa_assert_se(m = dbus_message_new_method_call("org.bluez", path, "org.bluez.Adapter", "GetProperties")); send_and_add_to_pending(y, m, get_properties_reply, NULL); - register_endpoint(y, path, HFP_AG_ENDPOINT, HFP_AG_UUID); - register_endpoint(y, path, HFP_HS_ENDPOINT, HFP_HS_UUID); - register_endpoint(y, path, A2DP_SOURCE_ENDPOINT, A2DP_SOURCE_UUID); - register_endpoint(y, path, A2DP_SINK_ENDPOINT, A2DP_SINK_UUID); + register_adapter_endpoints(y, path); } static void list_adapters(pa_bluetooth_discovery *y) { @@ -887,10 +894,94 @@ static void list_adapters(pa_bluetooth_discovery *y) { send_and_add_to_pending(y, m, get_properties_reply, NULL); } +static int parse_device_properties(pa_bluetooth_device *d, DBusMessageIter *i, bool is_property_change) { + DBusMessageIter element_i; + int ret = 0; + + dbus_message_iter_recurse(i, &element_i); + + while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) { + DBusMessageIter dict_i; + + dbus_message_iter_recurse(&element_i, &dict_i); + + if (parse_device_property(d, &dict_i, is_property_change)) + ret = -1; + + dbus_message_iter_next(&element_i); + } + + if (!d->name || !d->address || !d->alias || d->paired < 0 || d->trusted < 0) { + pa_log_error("Non-optional information missing for device %s", d->path); + d->device_info_valid = -1; + return -1; + } + + d->device_info_valid = 1; + return ret; +} + +static int parse_interfaces_and_properties(pa_bluetooth_discovery *y, DBusMessageIter *dict_i) { + DBusMessageIter element_i; + const char *path; + + pa_assert(dbus_message_iter_get_arg_type(dict_i) == DBUS_TYPE_OBJECT_PATH); + dbus_message_iter_get_basic(dict_i, &path); + + pa_assert_se(dbus_message_iter_next(dict_i)); + pa_assert(dbus_message_iter_get_arg_type(dict_i) == DBUS_TYPE_ARRAY); + + dbus_message_iter_recurse(dict_i, &element_i); + + while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) { + DBusMessageIter iface_i; + const char *interface; + + dbus_message_iter_recurse(&element_i, &iface_i); + + pa_assert(dbus_message_iter_get_arg_type(&iface_i) == DBUS_TYPE_STRING); + dbus_message_iter_get_basic(&iface_i, &interface); + + pa_assert_se(dbus_message_iter_next(&iface_i)); + pa_assert(dbus_message_iter_get_arg_type(&iface_i) == DBUS_TYPE_ARRAY); + + if (pa_streq(interface, "org.bluez.Adapter1")) { + pa_log_debug("Adapter %s found", path); + register_adapter_endpoints(y, path); + } else if (pa_streq(interface, "org.bluez.Device1")) { + pa_bluetooth_device *d; + + if (pa_hashmap_get(y->devices, path)) { + pa_log("Found duplicated D-Bus path for device %s", path); + return -1; + } + + pa_log_debug("Device %s found", path); + + d = device_new(y, path); + pa_hashmap_put(y->devices, d->path, d); + + /* FIXME: BlueZ 5 doesn't support the old Audio interface, and thus + it's not possible to know if any audio profile is about to be + connected. This can introduce regressions with modules such as + module-card-restore */ + d->audio_state = PA_BT_AUDIO_STATE_DISCONNECTED; + + if (parse_device_properties(d, &iface_i, false) < 0) + return -1; + } + + dbus_message_iter_next(&element_i); + } + + return 0; +} + static void get_managed_objects_reply(DBusPendingCall *pending, void *userdata) { DBusMessage *r; pa_dbus_pending *p; pa_bluetooth_discovery *y; + DBusMessageIter arg_i, element_i; pa_assert_se(p = userdata); pa_assert_se(y = p->context_data); @@ -911,6 +1002,23 @@ static void get_managed_objects_reply(DBusPendingCall *pending, void *userdata) pa_log_info("D-Bus ObjectManager detected so assuming BlueZ version 5."); y->version = BLUEZ_VERSION_5; + if (!dbus_message_iter_init(r, &arg_i) || !pa_streq(dbus_message_get_signature(r), "a{oa{sa{sv}}}")) { + pa_log("Invalid reply signature for GetManagedObjects()."); + goto finish; + } + + dbus_message_iter_recurse(&arg_i, &element_i); + while (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) { + DBusMessageIter dict_i; + + dbus_message_iter_recurse(&element_i, &dict_i); + + /* Ignore errors here and proceed with next object */ + parse_interfaces_and_properties(y, &dict_i); + + dbus_message_iter_next(&element_i); + } + finish: dbus_message_unref(r); -- 1.8.1.4