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-rw-r--r--src/modules/bluetooth/module-bluetooth-discover.c287
1 files changed, 287 insertions, 0 deletions
diff --git a/src/modules/bluetooth/module-bluetooth-discover.c b/src/modules/bluetooth/module-bluetooth-discover.c
index 4f83deff..1bc05c02 100644
--- a/src/modules/bluetooth/module-bluetooth-discover.c
+++ b/src/modules/bluetooth/module-bluetooth-discover.c
@@ -53,6 +53,13 @@ struct uuid {
PA_LLIST_FIELDS(struct uuid);
};
+struct dbus_pending {
+ char *path;
+ char *profile;
+ DBusPendingCall *pending;
+ PA_LLIST_FIELDS(struct dbus_pending);
+};
+
struct device {
char *name;
char *object_path;
@@ -70,7 +77,9 @@ struct device {
struct userdata {
pa_module *module;
pa_dbus_connection *conn;
+ dbus_int32_t dbus_data_slot;
PA_LLIST_HEAD(struct device, device_list);
+ PA_LLIST_HEAD(struct dbus_pending, dbus_pending_list);
};
static struct module *module_new(const char *profile, pa_module *pa_m) {
@@ -118,6 +127,31 @@ static void uuid_free(struct uuid *uuid) {
pa_xfree(uuid);
}
+static struct dbus_pending *dbus_pending_new(struct userdata *u, DBusPendingCall *pending, const char *path, const char *profile) {
+ struct dbus_pending *node;
+
+ pa_assert(pending);
+
+ node = pa_xnew(struct dbus_pending, 1);
+ node->pending = pending;
+ node->path = pa_xstrdup(path);
+ node->profile = pa_xstrdup(profile);
+ PA_LLIST_INIT(struct dbus_pending, node);
+ dbus_pending_call_set_data(pending, u->dbus_data_slot, node, NULL);
+
+ return node;
+}
+
+static void dbus_pending_free(struct dbus_pending *pending) {
+ pa_assert(pending);
+
+ pa_xfree(pending->path);
+ pa_xfree(pending->profile);
+ dbus_pending_call_cancel(pending->pending);
+ dbus_pending_call_unref(pending->pending);
+ pa_xfree(pending);
+}
+
static struct device *device_new(const char *object_path) {
struct device *node;
@@ -471,20 +505,266 @@ done:
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
+
+
+static void get_properties_reply(DBusPendingCall *pending, void *user_data) {
+ struct userdata *u;
+ DBusMessage *r;
+ dbus_bool_t connected;
+ DBusMessageIter arg_i, element_i;
+ DBusMessageIter variant_i;
+ struct device *d;
+ struct dbus_pending *p;
+
+ pa_assert(u = user_data);
+
+ r = dbus_pending_call_steal_reply(pending);
+ if (!r)
+ goto end;
+
+ if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
+ pa_log("Error from GetProperties reply: %s", dbus_message_get_error_name(r));
+ goto end;
+ }
+
+ if (!dbus_message_iter_init(r, &arg_i)) {
+ pa_log("%s GetProperties reply has no arguments", p->profile);
+ goto end;
+ }
+
+ if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
+ pa_log("%s GetProperties argument is not an array", p->profile);
+ goto end;
+ }
+
+ connected = FALSE;
+ dbus_message_iter_recurse(&arg_i, &element_i);
+ while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
+
+ if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
+ DBusMessageIter dict_i;
+ const char *key;
+
+ dbus_message_iter_recurse(&element_i, &dict_i);
+
+ if (dbus_message_iter_get_arg_type(&dict_i) != DBUS_TYPE_STRING) {
+ pa_log("Property name not a string.");
+ goto end;
+ }
+
+ dbus_message_iter_get_basic(&dict_i, &key);
+
+ if (!dbus_message_iter_next(&dict_i)) {
+ pa_log("Property value missing");
+ goto end;
+ }
+
+ if (dbus_message_iter_get_arg_type(&dict_i) != DBUS_TYPE_VARIANT) {
+ pa_log("Property value not a variant.");
+ goto end;
+ }
+
+ dbus_message_iter_recurse(&dict_i, &variant_i);
+
+ switch (dbus_message_iter_get_arg_type(&variant_i)) {
+
+ case DBUS_TYPE_BOOLEAN: {
+
+ dbus_bool_t value;
+ dbus_message_iter_get_basic(&variant_i, &value);
+
+ if (pa_streq(key, "Connected")) {
+ connected = value;
+ goto endloop;
+ }
+
+ break;
+ }
+ }
+ }
+
+ if (!dbus_message_iter_next(&element_i))
+ break;
+ }
+
+endloop:
+ if (connected) {
+ p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
+ pa_log_debug("%s: %s connected", p->path, p->profile);
+ d = device_find(u, p->path);
+
+ if (!d) {
+ d = device_new(p->path);
+ PA_LLIST_PREPEND(struct device, u->device_list, d);
+ }
+
+ load_module_for_device(u, d, p->profile);
+ }
+
+ dbus_message_unref(r);
+
+end:
+ p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
+ PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_free(p);
+}
+
+static void list_devices_reply(DBusPendingCall *pending, void *user_data) {
+ DBusMessage *r, *m;
+ DBusPendingCall *call;
+ DBusError e;
+ char **paths = NULL;
+ int i, num = -1;
+ struct dbus_pending *p;
+ struct userdata *u;
+
+ pa_assert(u = user_data);
+ dbus_error_init(&e);
+
+ r = dbus_pending_call_steal_reply(pending);
+ if (!r) {
+ pa_log("Failed to get ListDevices reply");
+ goto end;
+ }
+
+ if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
+ pa_log("Error from ListDevices reply: %s", dbus_message_get_error_name(r));
+ goto end;
+ }
+
+ 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 {
+ for (i = 0; i < num; ++i) {
+ pa_assert_se(m = dbus_message_new_method_call("org.bluez", paths[i], "org.bluez.Headset", "GetProperties"));
+ if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
+ p = dbus_pending_new(u, call, paths[i], "hsp");
+ PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_call_set_notify(call, get_properties_reply, u, NULL);
+ } else {
+ pa_log("Failed to send GetProperties");
+ }
+
+ dbus_message_unref(m);
+
+ pa_assert_se(m = dbus_message_new_method_call("org.bluez", paths[i], "org.bluez.AudioSink", "GetProperties"));
+ if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
+ p = dbus_pending_new(u, call, paths[i], "a2dp");
+ PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_call_set_notify(call, get_properties_reply, u, NULL);
+ } else {
+ pa_log("Failed to send GetProperties");
+ }
+
+ dbus_message_unref(m);
+ }
+ }
+
+ if (paths)
+ dbus_free_string_array (paths);
+ dbus_message_unref(r);
+
+end:
+ p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
+ PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_free(p);
+}
+
+static void list_adapters_reply(DBusPendingCall *pending, void *user_data) {
+ DBusMessage *r, *m;
+ DBusPendingCall *call;
+ DBusError e;
+ char **paths = NULL;
+ int i, num = -1;
+ struct dbus_pending *p;
+ struct userdata *u;
+
+ pa_assert(u = user_data);
+ dbus_error_init(&e);
+
+ r = dbus_pending_call_steal_reply(pending);
+ if (!r) {
+ pa_log("Failed to get ListAdapters reply");
+ goto end;
+ }
+
+ if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
+ pa_log("Error from ListAdapters reply: %s", dbus_message_get_error_name(r));
+ goto end;
+ }
+
+ if (!dbus_message_get_args(r, &e, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &num, DBUS_TYPE_INVALID)) {
+ pa_log("org.bluez.Manager.ListAdapters returned an error: '%s'\n", e.message);
+ dbus_error_free(&e);
+ } else {
+ for (i = 0; i < num; ++i) {
+ pa_assert_se(m = dbus_message_new_method_call("org.bluez", paths[i], "org.bluez.Adapter", "ListDevices"));
+ if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
+ p = dbus_pending_new(u, call, NULL, NULL);
+ PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_call_set_notify(call, list_devices_reply, u, NULL);
+ } else {
+ pa_log("Failed to send ListDevices");
+ }
+
+ dbus_message_unref(m);
+ }
+ }
+
+ if (paths)
+ dbus_free_string_array (paths);
+ dbus_message_unref(r);
+
+end:
+ p = dbus_pending_call_get_data(pending, u->dbus_data_slot);
+ PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_free(p);
+}
+
+static void lookup_devices(struct userdata *u) {
+ DBusMessage *m;
+ DBusPendingCall *call;
+ struct dbus_pending *p;
+
+ pa_assert(u);
+
+ pa_assert_se(m = dbus_message_new_method_call("org.bluez", "/", "org.bluez.Manager", "ListAdapters"));
+ if (dbus_connection_send_with_reply(pa_dbus_connection_get(u->conn), m, &call, -1)) {
+ p = dbus_pending_new(u, call, NULL, NULL);
+ PA_LLIST_PREPEND(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_call_set_notify(call, list_adapters_reply, u, NULL);
+ } else {
+ pa_log("Failed to send ListAdapters");
+ }
+
+ dbus_message_unref(m);
+}
+
void pa__done(pa_module* m) {
struct userdata *u;
struct device *i;
+ struct dbus_pending *p;
pa_assert(m);
if (!(u = m->userdata))
return;
+ while ((p = u->dbus_pending_list)) {
+ PA_LLIST_REMOVE(struct dbus_pending, u->dbus_pending_list, p);
+ dbus_pending_free(p);
+ }
+
while ((i = u->device_list)) {
PA_LLIST_REMOVE(struct device, u->device_list, i);
device_free(i);
}
+ if (u->dbus_data_slot != -1) {
+ dbus_pending_call_free_data_slot(&u->dbus_data_slot);
+ }
+
if (u->conn) {
DBusError error;
dbus_error_init(&error);
@@ -514,8 +794,10 @@ int pa__init(pa_module* m) {
dbus_error_init(&err);
m->userdata = u = pa_xnew(struct userdata, 1);
+ u->dbus_data_slot = -1;
u->module = m;
PA_LLIST_HEAD_INIT(struct device, u->device_list);
+ PA_LLIST_HEAD_INIT(DBusPendingCall, u->dbus_pending_list);
/* connect to the bus */
u->conn = pa_dbus_bus_get(m->core, DBUS_BUS_SYSTEM, &err);
@@ -524,6 +806,9 @@ int pa__init(pa_module* m) {
goto fail;
}
+ if (!dbus_pending_call_allocate_data_slot(&u->dbus_data_slot))
+ goto fail;
+
/* 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");
@@ -548,6 +833,8 @@ int pa__init(pa_module* m) {
goto fail;
}
+ lookup_devices(u);
+
return 0;
fail: