[pulseaudio-discuss] [RFC v2 2/3] bluetooth: Replace deprecated ListDevices()
Mikel Astiz
mikel.astiz.oss at gmail.com
Fri Jul 27 08:20:38 PDT 2012
From: Mikel Astiz <mikel.astiz at bmw-carit.de>
The method ListDevices() in org.bluez.Adapter was deprecated in BlueZ
4.61, and is going to be removed in future releases. Instead, a property
was introduced for this purpose in BlueZ 4.7.
---
src/modules/bluetooth/bluetooth-util.c | 100 ++++++++++++++++----------------
1 files changed, 50 insertions(+), 50 deletions(-)
diff --git a/src/modules/bluetooth/bluetooth-util.c b/src/modules/bluetooth/bluetooth-util.c
index 7f410f0..92c763b 100644
--- a/src/modules/bluetooth/bluetooth-util.c
+++ b/src/modules/bluetooth/bluetooth-util.c
@@ -76,6 +76,7 @@ struct pa_bluetooth_discovery {
static void get_properties_reply(DBusPendingCall *pending, void *userdata);
static pa_dbus_pending* send_and_add_to_pending(pa_bluetooth_discovery *y, DBusMessage *m, DBusPendingCallNotifyFunction func, void *call_data);
static void found_adapter(pa_bluetooth_discovery *y, const char *path);
+static pa_bluetooth_device *found_device(pa_bluetooth_discovery *y, const char* path);
pa_bt_audio_state_t pa_bt_audio_state_from_string(const char* value) {
pa_assert(value);
@@ -251,6 +252,47 @@ static int parse_manager_property(pa_bluetooth_discovery *y, DBusMessageIter *i)
return 0;
}
+static int parse_adapter_property(pa_bluetooth_discovery *y, DBusMessageIter *i) {
+ const char *key;
+ DBusMessageIter variant_i;
+
+ pa_assert(y);
+
+ key = check_variant_property(i);
+ if (key == NULL)
+ return -1;
+
+ dbus_message_iter_recurse(i, &variant_i);
+
+ switch (dbus_message_iter_get_arg_type(&variant_i)) {
+
+ case DBUS_TYPE_ARRAY: {
+
+ if (pa_streq(key, "Devices")) {
+ DBusMessageIter ai;
+ dbus_message_iter_recurse(&variant_i, &ai);
+
+ if (dbus_message_iter_get_arg_type(&ai) == DBUS_TYPE_OBJECT_PATH) {
+
+ while (dbus_message_iter_get_arg_type(&ai) != DBUS_TYPE_INVALID) {
+ const char *value;
+
+ dbus_message_iter_get_basic(&ai, &value);
+
+ found_device(y, value);
+
+ dbus_message_iter_next(&ai);
+ }
+ }
+ }
+
+ break;
+ }
+ }
+
+ return 0;
+}
+
static int parse_device_property(pa_bluetooth_discovery *y, pa_bluetooth_device *d, DBusMessageIter *i) {
const char *key;
DBusMessageIter variant_i;
@@ -472,7 +514,8 @@ static void get_properties_reply(DBusPendingCall *pending, void *userdata) {
/* We don't use p->call_data here right-away since the device
* might already be invalidated at this point */
- if (dbus_message_has_interface(p->message, "org.bluez.Manager"))
+ if (dbus_message_has_interface(p->message, "org.bluez.Manager") ||
+ dbus_message_has_interface(p->message, "org.bluez.Adapter"))
d = NULL;
else
d = pa_hashmap_get(y->devices, dbus_message_get_path(p->message));
@@ -517,6 +560,10 @@ static void get_properties_reply(DBusPendingCall *pending, void *userdata) {
if (parse_manager_property(y, &dict_i) < 0)
goto finish;
+ } else if (dbus_message_has_interface(p->message, "org.bluez.Adapter")) {
+ if (parse_adapter_property(y, &dict_i) < 0)
+ goto finish;
+
} else if (dbus_message_has_interface(p->message, "org.bluez.Device")) {
if (parse_device_property(y, d, &dict_i) < 0)
goto finish;
@@ -616,53 +663,6 @@ finish:
pa_xfree(endpoint);
}
-static void list_devices_reply(DBusPendingCall *pending, void *userdata) {
- DBusError e;
- DBusMessage *r;
- char **paths = NULL;
- int num = -1;
- pa_dbus_pending *p;
- pa_bluetooth_discovery *y;
-
- pa_assert(pending);
-
- dbus_error_init(&e);
-
- pa_assert_se(p = userdata);
- pa_assert_se(y = p->context_data);
- pa_assert_se(r = dbus_pending_call_steal_reply(pending));
-
- if (dbus_message_is_error(r, DBUS_ERROR_SERVICE_UNKNOWN)) {
- pa_log_debug("Bluetooth daemon is apparently not available.");
- remove_all_devices(y);
- goto finish;
- }
-
- if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
- pa_log("org.bluez.Adapter.ListDevices() failed: %s: %s", dbus_message_get_error_name(r), pa_dbus_get_error_message(r));
- goto finish;
- }
-
- if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
- pa_log("org.bluez.Adapter.ListDevices returned an error: '%s'\n", e.message);
- dbus_error_free(&e);
- } else {
- int i;
-
- for (i = 0; i < num; ++i)
- found_device(y, paths[i]);
- }
-
-finish:
- if (paths)
- dbus_free_string_array(paths);
-
- dbus_message_unref(r);
-
- PA_LLIST_REMOVE(pa_dbus_pending, y->pending, p);
- pa_dbus_pending_free(p);
-}
-
static void register_endpoint(pa_bluetooth_discovery *y, const char *path, const char *endpoint, const char *uuid) {
DBusMessage *m;
DBusMessageIter i, d;
@@ -712,8 +712,8 @@ static void register_endpoint(pa_bluetooth_discovery *y, const char *path, const
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", "ListDevices"));
- send_and_add_to_pending(y, m, list_devices_reply, NULL);
+ 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);
--
1.7.7.6
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