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Adding dynamic bluetooth audio devices detection

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This commit is contained in:
João Paulo Rechi Vita 2008-07-21 09:42:29 -03:00 • committed by Lennart Poettering
parent 314dadeade
commit c9f56593e3
1 changed files with 83 additions and 1 deletions
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84
src/modules/module-bt-discover.c
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@ -348,6 +348,69 @@ void detect_devices(adapter_t *adapter_list, pa_dbus_connection *conn) {
}
}
static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *msg, void *userdata) {
DBusMessageIter arg_i;
DBusError err;
const char *value;
struct userdata *u;
pa_assert(bus);
pa_assert(msg);
pa_assert(userdata);
u = userdata;
dbus_error_init(&err);
pa_log("dbus: interface=%s, path=%s, member=%s\n",
dbus_message_get_interface(msg),
dbus_message_get_path(msg),
dbus_message_get_member(msg));
if (dbus_message_is_signal(msg, "org.bluez.Manager", "AdapterAdded")) {
if (!dbus_message_iter_init(msg, &arg_i))
pa_log("dbus: message has no parameters");
else if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_OBJECT_PATH)
pa_log("dbus: argument is not object path");
else {
dbus_message_iter_get_basic(&arg_i, &value);
pa_log("hcid: adapter %s added", value);
}
}
else if (dbus_message_is_signal(msg, "org.bluez.Manager", "AdapterRemoved")) {
if (!dbus_message_iter_init(msg, &arg_i))
pa_log("dbus: message has no parameters");
else if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_OBJECT_PATH)
pa_log("dbus: argument is not object path");
else {
dbus_message_iter_get_basic(&arg_i, &value);
pa_log("hcid: adapter %s removed", value);
}
}
else if (dbus_message_is_signal(msg, "org.bluez.Adapter", "DeviceCreated")) {
if (!dbus_message_iter_init(msg, &arg_i))
pa_log("dbus: message has no parameters");
else if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_OBJECT_PATH)
pa_log("dbus: argument is not object path");
else {
dbus_message_iter_get_basic(&arg_i, &value);
pa_log("hcid: device %s created", value);
}
}
else if (dbus_message_is_signal(msg, "org.bluez.Adapter", "DeviceRemoved")) {
if (!dbus_message_iter_init(msg, &arg_i))
pa_log("dbus: message has no parameters");
else if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_OBJECT_PATH)
pa_log("dbus: argument is not object path");
else {
dbus_message_iter_get_basic(&arg_i, &value);
pa_log("hcid: device %s removed", value);
}
}
finish:
dbus_error_free(&err);
return DBUS_HANDLER_RESULT_HANDLED;
}
void pa__done(pa_module* m) {
struct userdata *u;
adapter_t *adapter_list_i, *adapter_list_next_i;
@ -418,7 +481,7 @@ int pa__init(pa_module* m) {
goto fail;
}
/* static detection of bluetooth devices */
/* static detection of bluetooth audio devices */
u->adapter_list = adapter_new("/ADAPTER_HEAD");
detect_adapters(u->adapter_list, u->conn);
detect_devices(u->adapter_list, u->conn);
@ -437,6 +500,25 @@ int pa__init(pa_module* m) {
adapter_list_i = adapter_list_i->next;
}
/* dynamic detection of bluetooth audio devices */
if (!dbus_connection_add_filter(pa_dbus_connection_get(u->conn), filter_cb, u, NULL)) {
pa_log_error("Failed to add filter function");
goto fail;
}
dbus_connection_flush(pa_dbus_connection_get(u->conn));
dbus_bus_add_match(pa_dbus_connection_get(u->conn), "type='signal',interface='org.bluez.Manager'", &err);
dbus_connection_flush(pa_dbus_connection_get(u->conn));
if (dbus_error_is_set(&err)) {
pa_log_error("Unable to subscribe to org.bluez.Manager signals: %s: %s", err.name, err.message);
goto fail;
}
dbus_bus_add_match(pa_dbus_connection_get(u->conn), "type='signal',interface='org.bluez.Adapter'", &err);
dbus_connection_flush(pa_dbus_connection_get(u->conn));
if (dbus_error_is_set(&err)) {
pa_log_error("Unable to subscribe to org.bluez.Adapter signals: %s: %s", err.name, err.message);
goto fail;
}
return 0;
fail: