From: Alvaro Silva <alvaro.silva@xxxxxxxxxxxxx>
All primary services declarations provided by an external application
will be automatically inserted in the attribute database.
---
src/gatt-dbus.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
diff --git a/src/gatt-dbus.c b/src/gatt-dbus.c
index fc41b78..fc41d00 100644
--- a/src/gatt-dbus.c
+++ b/src/gatt-dbus.c
@@ -39,15 +39,21 @@
#include "log.h"
#include "error.h"
+#include "gatt.h"
#include "gatt-dbus.h"
+#define SERVICE_IFACE "org.bluez.Service1"
#define SERVICE_MGR_IFACE "org.bluez.ServiceManager1"
+#define REGISTER_TIMER 1
+
struct external_app {
char *owner;
char *path;
GDBusClient *client;
+ GSList *proxies;
unsigned int watch;
+ guint register_timer;
};
static GSList *external_apps;
@@ -60,6 +66,36 @@ static int external_app_path_cmp(gconstpointer a, gconstpointer b)
return g_strcmp0(eapp->path, path);
}
+static void proxy_added(GDBusProxy *proxy, void *user_data)
+{
+ struct external_app *eapp = user_data;
+ const char *interface, *path;
+
+ interface = g_dbus_proxy_get_interface(proxy);
+ path = g_dbus_proxy_get_path(proxy);
+
+ DBG("path %s iface %s", path, interface);
+
+ if (g_strcmp0(interface, SERVICE_IFACE) != 0)
+ return;
+
+ eapp->proxies = g_slist_append(eapp->proxies, proxy);
+}
+
+static void proxy_removed(GDBusProxy *proxy, void *user_data)
+{
+ struct external_app *eapp = user_data;
+ const char *interface, *path;
+
+ interface = g_dbus_proxy_get_interface(proxy);
+ path = g_dbus_proxy_get_path(proxy);
+
+ DBG("path %s iface %s", path, interface);
+
+ eapp->proxies = g_slist_remove(eapp->proxies, proxy);
+}
+
+
static void external_app_watch_destroy(gpointer user_data)
{
struct external_app *eapp = user_data;
@@ -70,6 +106,9 @@ static void external_app_watch_destroy(gpointer user_data)
g_dbus_client_unref(eapp->client);
+ if (eapp->register_timer)
+ g_source_remove(eapp->register_timer);
+
g_free(eapp->owner);
g_free(eapp->path);
g_free(eapp);
@@ -99,9 +138,75 @@ static struct external_app *new_external_app(DBusConnection *conn,
eapp->client = client;
eapp->path = g_strdup(path);
+ g_dbus_client_set_proxy_handlers(client, proxy_added, proxy_removed,
+ NULL, eapp);
+
return eapp;
}
+static int register_external_service(GDBusProxy *proxy)
+{
+ DBusMessageIter iter;
+ const char *uuid;
+ bt_uuid_t btuuid;
+
+ if (!g_dbus_proxy_get_property(proxy, "UUID", &iter))
+ return -EINVAL;
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&iter, &uuid);
+
+ if (bt_string_to_uuid(&btuuid, uuid) < 0)
+ return -EINVAL;
+
+ if (btd_gatt_add_service(&btuuid) == NULL)
+ return -EINVAL;
+
+ return 0;
+}
+
+static gboolean finish_register(gpointer user_data)
+{
+ struct external_app *eapp = user_data;
+ GSList *list;
+
+ /*
+ * It is not possible to detect when the last proxy object
+ * was reported. "Proxy added" handler reports objects
+ * added on demand or returned by GetManagedObjects().
+ * This timer helps to register all the GATT declarations
+ * (services, characteristics and descriptors) after fetching
+ * all the D-Bus objects.
+ */
+
+ eapp->register_timer = 0;
+
+ for (list = eapp->proxies; list; list = g_slist_next(list)) {
+ const char *interface, *path;
+ GDBusProxy *proxy = list->data;
+
+ interface = g_dbus_proxy_get_interface(proxy);
+ path = g_dbus_proxy_get_path(proxy);
+
+ if (g_strcmp0(SERVICE_IFACE, interface) != 0)
+ continue;
+
+ if (g_strcmp0(path, eapp->path) != 0)
+ continue;
+
+ if (register_external_service(proxy) < 0) {
+ DBG("Inconsistent external service: %s", path);
+ continue;
+ }
+
+ DBG("External service: %s", path);
+ }
+
+ return FALSE;
+}
+
static DBusMessage *register_service(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
@@ -109,6 +214,8 @@ static DBusMessage *register_service(DBusConnection *conn,
DBusMessageIter iter;
const char *path;
+ DBG("Registering GATT Service");
+
if (!dbus_message_iter_init(msg, &iter))
return btd_error_invalid_args(msg);
@@ -127,6 +234,8 @@ static DBusMessage *register_service(DBusConnection *conn,
external_apps = g_slist_prepend(external_apps, eapp);
DBG("New app %p: %s", eapp, path);
+ eapp->register_timer = g_timeout_add_seconds(REGISTER_TIMER,
+ finish_register, eapp);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
--
1.8.3.1
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