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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-02 09:01:46 -05:00
bluetooth: cold hsp/a2dp device detection
This commit is contained in:
Marc-André Lureau
parent
a6a1b42c87
commit
12db687acf
1 changed files with 287 additions and 0 deletions
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@ -53,6 +53,13 @@ struct uuid {
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PA_LLIST_FIELDS(struct uuid);
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};
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struct dbus_pending {
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char *path;
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char *profile;
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DBusPendingCall *pending;
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PA_LLIST_FIELDS(struct dbus_pending);
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};
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struct device {
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char *name;
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char *object_path;
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@ -70,7 +77,9 @@ struct device {
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struct userdata {
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pa_module *module;
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pa_dbus_connection *conn;
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dbus_int32_t dbus_data_slot;
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PA_LLIST_HEAD(struct device, device_list);
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PA_LLIST_HEAD(struct dbus_pending, dbus_pending_list);
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};
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static struct module *module_new(const char *profile, pa_module *pa_m) {
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@ -118,6 +127,31 @@ static void uuid_free(struct uuid *uuid) {
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pa_xfree(uuid);
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}
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static struct dbus_pending *dbus_pending_new(struct userdata *u, DBusPendingCall *pending, const char *path, const char *profile) {
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struct dbus_pending *node;
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pa_assert(pending);
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node = pa_xnew(struct dbus_pending, 1);
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node->pending = pending;
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node->path = pa_xstrdup(path);
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node->profile = pa_xstrdup(profile);
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PA_LLIST_INIT(struct dbus_pending, node);
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dbus_pending_call_set_data(pending, u->dbus_data_slot, node, NULL);
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return node;
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}
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static void dbus_pending_free(struct dbus_pending *pending) {
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pa_assert(pending);
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pa_xfree(pending->path);
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pa_xfree(pending->profile);
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dbus_pending_call_cancel(pending->pending);
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dbus_pending_call_unref(pending->pending);
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pa_xfree(pending);
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}
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static struct device *device_new(const char *object_path) {
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struct device *node;
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@ -471,20 +505,266 @@ done:
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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static void get_properties_reply(DBusPendingCall *pending, void *user_data) {
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struct userdata *u;
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DBusMessage *r;
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dbus_bool_t connected;
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DBusMessageIter arg_i, element_i;
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DBusMessageIter variant_i;
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struct device *d;
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struct dbus_pending *p;
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pa_assert(u = user_data);
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r = dbus_pending_call_steal_reply(pending);
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if (!r)
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goto end;
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if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
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pa_log("Error from GetProperties reply: %s", dbus_message_get_error_name(r));
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goto end;
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}
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if (!dbus_message_iter_init(r, &arg_i)) {
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pa_log("%s GetProperties reply has no arguments", p->profile);
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goto end;
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}
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if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
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pa_log("%s GetProperties argument is not an array", p->profile);
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goto end;
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}
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connected = FALSE;
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dbus_message_iter_recurse(&arg_i, &element_i);
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while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
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if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
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DBusMessageIter dict_i;
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const char *key;
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dbus_message_iter_recurse(&element_i, &dict_i);
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if (dbus_message_iter_get_arg_type(&dict_i) != DBUS_TYPE_STRING) {
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pa_log("Property name not a string.");
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goto end;
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}
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dbus_message_iter_get_basic(&dict_i, &key);
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if (!dbus_message_iter_next(&dict_i)) {
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pa_log("Property value missing");
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goto end;
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}
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if (dbus_message_iter_get_arg_type(&dict_i) != DBUS_TYPE_VARIANT) {
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pa_log("Property value not a variant.");
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goto end;
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}
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dbus_message_iter_recurse(&dict_i, &variant_i);
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switch (dbus_message_iter_get_arg_type(&variant_i)) {
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case DBUS_TYPE_BOOLEAN: {
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dbus_bool_t value;
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dbus_message_iter_get_basic(&variant_i, &value);
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if (pa_streq(key, "Connected")) {
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connected = value;
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goto endloop;
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}
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break;
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}
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}
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}
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if (!dbus_message_iter_next(&element_i))
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break;
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}
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endloop:
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if (connected) {
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p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
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pa_log_debug("%s: %s connected", p->path, p->profile);
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d = device_find(u, p->path);
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if (!d) {
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d = device_new(p->path);
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PA_LLIST_PREPEND(struct device, u->device_list, d);
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}
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load_module_for_device(u, d, p->profile);
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}
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dbus_message_unref(r);
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end:
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p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
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PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_free(p);
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}
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static void list_devices_reply(DBusPendingCall *pending, void *user_data) {
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DBusMessage *r, *m;
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DBusPendingCall *call;
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DBusError e;
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char **paths = NULL;
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int i, num = -1;
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struct dbus_pending *p;
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struct userdata *u;
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pa_assert(u = user_data);
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dbus_error_init(&e);
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r = dbus_pending_call_steal_reply(pending);
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if (!r) {
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pa_log("Failed to get ListDevices reply");
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goto end;
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}
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if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
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pa_log("Error from ListDevices reply: %s", dbus_message_get_error_name(r));
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goto end;
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}
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if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
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pa_log("org.bluez.Adapter.ListDevices returned an error: '%s'\n", e.message);
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dbus_error_free(&e);
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} else {
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for (i = 0; i < num; ++i) {
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pa_assert_se(m = dbus_message_new_method_call("org.bluez", paths[i], "org.bluez.Headset", "GetProperties"));
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if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
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p = dbus_pending_new(u, call, paths[i], "hsp");
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PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_call_set_notify(call, get_properties_reply, u, NULL);
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} else {
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pa_log("Failed to send GetProperties");
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}
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dbus_message_unref(m);
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pa_assert_se(m = dbus_message_new_method_call("org.bluez", paths[i], "org.bluez.AudioSink", "GetProperties"));
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if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
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p = dbus_pending_new(u, call, paths[i], "a2dp");
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PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_call_set_notify(call, get_properties_reply, u, NULL);
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} else {
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pa_log("Failed to send GetProperties");
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}
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dbus_message_unref(m);
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}
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}
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if (paths)
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dbus_free_string_array (paths);
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dbus_message_unref(r);
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end:
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p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
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PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_free(p);
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}
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static void list_adapters_reply(DBusPendingCall *pending, void *user_data) {
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DBusMessage *r, *m;
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DBusPendingCall *call;
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DBusError e;
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char **paths = NULL;
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int i, num = -1;
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struct dbus_pending *p;
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struct userdata *u;
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pa_assert(u = user_data);
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dbus_error_init(&e);
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r = dbus_pending_call_steal_reply(pending);
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if (!r) {
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pa_log("Failed to get ListAdapters reply");
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goto end;
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}
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if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
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pa_log("Error from ListAdapters reply: %s", dbus_message_get_error_name(r));
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goto end;
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}
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if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
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pa_log("org.bluez.Manager.ListAdapters returned an error: '%s'\n", e.message);
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dbus_error_free(&e);
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} else {
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for (i = 0; i < num; ++i) {
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pa_assert_se(m = dbus_message_new_method_call("org.bluez", paths[i], "org.bluez.Adapter", "ListDevices"));
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if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
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p = dbus_pending_new(u, call, NULL, NULL);
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PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_call_set_notify(call, list_devices_reply, u, NULL);
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} else {
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pa_log("Failed to send ListDevices");
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}
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dbus_message_unref(m);
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}
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}
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if (paths)
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dbus_free_string_array (paths);
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dbus_message_unref(r);
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end:
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p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
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PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_free(p);
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}
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static void lookup_devices(struct userdata *u) {
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DBusMessage *m;
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DBusPendingCall *call;
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struct dbus_pending *p;
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pa_assert(u);
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pa_assert_se(m = dbus_message_new_method_call("org.bluez", "/", "org.bluez.Manager", "ListAdapters"));
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if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
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p = dbus_pending_new(u, call, NULL, NULL);
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PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_call_set_notify(call, list_adapters_reply, u, NULL);
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} else {
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pa_log("Failed to send ListAdapters");
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}
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dbus_message_unref(m);
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}
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void pa__done(pa_module* m) {
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struct userdata *u;
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struct device *i;
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struct dbus_pending *p;
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pa_assert(m);
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if (!(u = m->userdata))
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return;
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while ((p = u->dbus_pending_list)) {
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PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
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dbus_pending_free(p);
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}
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while ((i = u->device_list)) {
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PA_LLIST_REMOVE(struct device, u->device_list, i);
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device_free(i);
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}
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if (u->dbus_data_slot != -1) {
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dbus_pending_call_free_data_slot(&u->dbus_data_slot);
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}
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if (u->conn) {
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DBusError error;
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dbus_error_init(&error);
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@ -514,8 +794,10 @@ int pa__init(pa_module* m) {
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dbus_error_init(&err);
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m->userdata = u = pa_xnew(struct userdata, 1);
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u->dbus_data_slot = -1;
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u->module = m;
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PA_LLIST_HEAD_INIT(struct device, u->device_list);
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PA_LLIST_HEAD_INIT(DBusPendingCall, u->dbus_pending_list);
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/* connect to the bus */
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u->conn = pa_dbus_bus_get(m->core, DBUS_BUS_SYSTEM, &err);
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@ -524,6 +806,9 @@ int pa__init(pa_module* m) {
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goto fail;
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}
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if (!dbus_pending_call_allocate_data_slot(&u->dbus_data_slot))
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goto fail;
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/* dynamic detection of bluetooth audio devices */
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if (!dbus_connection_add_filter(pa_dbus_connection_get(u->conn), filter_cb, u, NULL)) {
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pa_log_error("Failed to add filter function");
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@ -548,6 +833,8 @@ int pa__init(pa_module* m) {
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goto fail;
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}
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lookup_devices(u);
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return 0;
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fail:
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