Initial implementation of the RegisterAdvertisement function of the
LEAdvertisingManager1 interface.
---
src/advertising.c | 249 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 248 insertions(+), 1 deletion(-)
diff --git a/src/advertising.c b/src/advertising.c
index 2f1a09a..2be4343 100644
--- a/src/advertising.c
+++ b/src/advertising.c
@@ -30,7 +30,9 @@
#include "adapter.h"
#include "dbus-common.h"
+#include "error.h"
#include "log.h"
+#include "src/shared/queue.h"
#include "src/shared/util.h"
#define LE_ADVERTISING_MGR_IFACE "org.bluez.LEAdvertisingManager1"
@@ -38,15 +40,256 @@
struct btd_advertising {
struct btd_adapter *adapter;
+ struct queue *adverts;
};
+#define AD_TYPE_BROADCAST 0
+#define AD_TYPE_PERIPHERAL 1
+
+struct advertisement {
+ struct btd_advertising *manager;
+ char *owner;
+ char *path;
+ GDBusClient *client;
+ GDBusProxy *proxy;
+ DBusMessage *reg;
+ uint8_t type; /* Advertising type */
+};
+
+static bool match_advertisement_path(const void *a, const void *b)
+{
+ const struct advertisement *ad = a;
+ const char *path = b;
+
+ return g_strcmp0(ad->path, path);
+}
+
+static void advertisement_free(void *data)
+{
+ struct advertisement *ad = data;
+
+ if (ad->client) {
+ g_dbus_client_set_disconnect_watch(ad->client, NULL, NULL);
+ g_dbus_client_unref(ad->client);
+ }
+
+ if (ad->proxy)
+ g_dbus_proxy_unref(ad->proxy);
+
+ if (ad->owner)
+ g_free(ad->owner);
+
+ if (ad->path)
+ g_free(ad->path);
+
+ free(ad);
+}
+
+static gboolean advertisement_free_idle_cb(void *data)
+{
+ advertisement_free(data);
+
+ return FALSE;
+}
+
+static void advertisement_release(void *data)
+{
+ struct advertisement *ad = data;
+ DBusMessage *message;
+
+ DBG("Releasing advertisement %s, %s", ad->owner, ad->path);
+
+ message = dbus_message_new_method_call(ad->owner, ad->path,
+ LE_ADVERTISEMENT_IFACE,
+ "Release");
+
+ if (!message) {
+ error("Couldn't allocate D-Bus message");
+ return;
+ }
+
+ g_dbus_send_message(btd_get_dbus_connection(), message);
+}
+
+static void advertisement_destroy(void *data)
+{
+ advertisement_release(data);
+ advertisement_free(data);
+}
+
+static void advertisement_remove(void *data)
+{
+ struct advertisement *ad = data;
+
+ g_dbus_client_set_disconnect_watch(ad->client, NULL, NULL);
+
+ queue_remove(ad->manager->adverts, ad);
+
+ g_idle_add(advertisement_free_idle_cb, ad);
+}
+
+static void client_disconnect_cb(DBusConnection *conn, void *user_data)
+{
+ DBG("Client disconnected");
+
+ advertisement_remove(user_data);
+}
+
+static bool parse_advertising_type(GDBusProxy *proxy, uint8_t *type)
+{
+ DBusMessageIter iter;
+ const char *msg_type;
+
+ if (!g_dbus_proxy_get_property(proxy, "Type", &iter))
+ return false;
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return false;
+
+ dbus_message_iter_get_basic(&iter, &msg_type);
+
+ if (!g_strcmp0(msg_type, "broadcast")) {
+ *type = AD_TYPE_BROADCAST;
+ return true;
+ }
+
+ if (!g_strcmp0(msg_type, "peripheral")) {
+ *type = AD_TYPE_PERIPHERAL;
+ return true;
+ }
+
+ return false;
+}
+
+static void refresh_advertisement(struct advertisement *ad)
+{
+ DBG("Refreshing advertisement: %s", ad->path);
+}
+
+static bool parse_advertisement(struct advertisement *ad)
+{
+ if (!parse_advertising_type(ad->proxy, &ad->type)) {
+ error("Failed to read \"Type\" property of advertisement");
+ return false;
+ }
+
+ /* TODO: parse the remaining properties into a shared structure */
+
+ refresh_advertisement(ad);
+
+ return true;
+}
+
+static void advertisement_proxy_added(GDBusProxy *proxy, void *data)
+{
+ struct advertisement *ad = data;
+ DBusMessage *reply;
+
+ if (!parse_advertisement(ad)) {
+ error("Failed to parse advertisement");
+
+ reply = btd_error_failed(ad->reg,
+ "Failed to register advertisement");
+ goto done;
+ }
+
+ g_dbus_client_set_disconnect_watch(ad->client, client_disconnect_cb,
+ ad);
+
+ reply = dbus_message_new_method_return(ad->reg);
+
+ DBG("Advertisement registered: %s", ad->path);
+
+done:
+ g_dbus_send_message(btd_get_dbus_connection(), reply);
+
+ dbus_message_unref(ad->reg);
+ ad->reg = NULL;
+}
+
+static struct advertisement *advertisement_create(DBusConnection *conn,
+ DBusMessage *msg, const char *path)
+{
+ struct advertisement *ad;
+ const char *sender = dbus_message_get_sender(msg);
+
+ if (!path || !g_str_has_prefix(path, "/"))
+ return NULL;
+
+ ad = new0(struct advertisement, 1);
+ if (!ad)
+ return NULL;
+
+ ad->client = g_dbus_client_new_full(conn, sender, path, path);
+ if (!ad->client)
+ goto fail;
+
+ ad->owner = g_strdup(sender);
+ if (!ad->owner)
+ goto fail;
+
+ ad->path = g_strdup(path);
+ if (!ad->path)
+ goto fail;
+
+ DBG("Adding proxy for %s", path);
+ ad->proxy = g_dbus_proxy_new(ad->client, path, LE_ADVERTISEMENT_IFACE);
+ if (!ad->proxy)
+ goto fail;
+
+ g_dbus_client_set_proxy_handlers(ad->client, advertisement_proxy_added,
+ NULL, NULL, ad);
+
+ ad->reg = dbus_message_ref(msg);
+
+ return ad;
+
+fail:
+ advertisement_free(ad);
+ return NULL;
+}
+
static DBusMessage *register_advertisement(DBusConnection *conn,
DBusMessage *msg,
void *user_data)
{
+ struct btd_advertising *manager = user_data;
+ DBusMessageIter args;
+ const char *path;
+ struct advertisement *ad;
+
DBG("RegisterAdvertisement");
- /* TODO */
+ if (!dbus_message_iter_init(msg, &args))
+ return btd_error_invalid_args(msg);
+
+ if (dbus_message_iter_get_arg_type(&args) != DBUS_TYPE_OBJECT_PATH)
+ return btd_error_invalid_args(msg);
+
+ dbus_message_iter_get_basic(&args, &path);
+
+ if (queue_find(manager->adverts, match_advertisement_path, path))
+ return btd_error_already_exists(msg);
+
+ /* TODO: support more than one advertisement */
+ if (!queue_isempty(manager->adverts))
+ return btd_error_failed(msg, "Already advertising");
+
+ dbus_message_iter_next(&args);
+
+ if (dbus_message_iter_get_arg_type(&args) != DBUS_TYPE_ARRAY)
+ return btd_error_invalid_args(msg);
+
+ ad = advertisement_create(conn, msg, path);
+ if (!ad)
+ return btd_error_failed(msg,
+ "Failed to register advertisement");
+
+ DBG("Registered advertisement at path %s", path);
+
+ ad->manager = manager;
+ queue_push_tail(manager->adverts, ad);
+
return NULL;
}
@@ -76,6 +319,8 @@ static void advertising_manager_destroy(void *user_data)
{
struct btd_advertising *manager = user_data;
+ queue_destroy(manager->adverts, advertisement_destroy);
+
free(manager);
}
@@ -100,6 +345,8 @@ advertising_manager_create(struct btd_adapter *adapter)
return NULL;
}
+ manager->adverts = queue_new();
+
return manager;
}
--
2.2.0.rc0.207.ga3a616c
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