This patch registers org.bluez.CyclingSpeedManager interface for each
adapter to allow registration and deregistration of measurement watchers.
---
profiles/cyclingspeed/cyclingspeed.c | 151 ++++++++++++++++++++++++++++++++++-
1 file changed, 150 insertions(+), 1 deletion(-)
diff --git a/profiles/cyclingspeed/cyclingspeed.c b/profiles/cyclingspeed/cyclingspeed.c
index 95e3b98..deae8a9 100644
--- a/profiles/cyclingspeed/cyclingspeed.c
+++ b/profiles/cyclingspeed/cyclingspeed.c
@@ -33,6 +33,7 @@
#include "adapter.h"
#include "device.h"
#include "dbus-common.h"
+#include "error.h"
#include "gattrib.h"
#include "att.h"
#include "gatt.h"
@@ -41,10 +42,12 @@
#include "cyclingspeed.h"
#define CYCLINGSPEED_INTERFACE "org.bluez.CyclingSpeed"
+#define CYCLINGSPEED_MANAGER_INTERFACE "org.bluez.CyclingSpeedManager"
struct csc_adapter {
struct btd_adapter *adapter;
GSList *devices; /* list of registered devices */
+ GSList *watchers;
};
struct csc {
@@ -64,6 +67,13 @@ struct csc {
uint8_t location;
};
+struct watcher {
+ struct csc_adapter *cadapter;
+ guint id;
+ char *srv;
+ char *path;
+};
+
struct characteristic {
struct csc *csc;
char uuid[MAX_LEN_UUID_STR + 1];
@@ -93,6 +103,19 @@ static gint cmp_device(gconstpointer a, gconstpointer b)
return -1;
}
+static gint cmp_watcher(gconstpointer a, gconstpointer b)
+{
+ const struct watcher *watcher = a;
+ const struct watcher *match = b;
+ int ret;
+
+ ret = g_strcmp0(watcher->srv, match->srv);
+ if (ret != 0)
+ return ret;
+
+ return g_strcmp0(watcher->path, match->path);
+}
+
static struct csc_adapter *find_csc_adapter(struct btd_adapter *adapter)
{
GSList *l = g_slist_find_custom(csc_adapters, adapter, cmp_adapter);
@@ -103,10 +126,47 @@ static struct csc_adapter *find_csc_adapter(struct btd_adapter *adapter)
return l->data;
}
+static void destroy_watcher(gpointer user_data)
+{
+ struct watcher *watcher = user_data;
+
+ g_free(watcher->path);
+ g_free(watcher->srv);
+ g_free(watcher);
+}
+
+static struct watcher *find_watcher(GSList *list, const char *sender,
+ const char *path)
+{
+ struct watcher *match;
+ GSList *l;
+
+ match = g_new0(struct watcher, 1);
+ match->srv = g_strdup(sender);
+ match->path = g_strdup(path);
+
+ l = g_slist_find_custom(list, match, cmp_watcher);
+ destroy_watcher(match);
+
+ if (l != NULL)
+ return l->data;
+
+ return NULL;
+}
+
+static void remove_watcher(gpointer user_data)
+{
+ struct watcher *watcher = user_data;
+
+ g_dbus_remove_watch(btd_get_dbus_connection(), watcher->id);
+}
+
static void destroy_csc_adapter(gpointer user_data)
{
struct csc_adapter *cadapter = user_data;
+ g_slist_free_full(cadapter->watchers, remove_watcher);
+
g_free(cadapter);
}
@@ -311,6 +371,81 @@ static void attio_disconnected_cb(gpointer user_data)
csc->attrib = NULL;
}
+static void watcher_exit_cb(DBusConnection *conn, void *user_data)
+{
+ struct watcher *watcher = user_data;
+ struct csc_adapter *cadapter = watcher->cadapter;
+
+ DBG("cycling watcher [%s] disconnected", watcher->path);
+
+ cadapter->watchers = g_slist_remove(cadapter->watchers, watcher);
+ g_dbus_remove_watch(conn, watcher->id);
+}
+
+static DBusMessage *register_watcher(DBusConnection *conn, DBusMessage *msg,
+ void *data)
+{
+ struct csc_adapter *cadapter = data;
+ struct watcher *watcher;
+ const char *sender = dbus_message_get_sender(msg);
+ char *path;
+
+ if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ return btd_error_invalid_args(msg);
+
+ watcher = find_watcher(cadapter->watchers, sender, path);
+ if (watcher != NULL)
+ return btd_error_already_exists(msg);
+
+ watcher = g_new0(struct watcher, 1);
+ watcher->cadapter = cadapter;
+ watcher->id = g_dbus_add_disconnect_watch(conn, sender, watcher_exit_cb,
+ watcher, destroy_watcher);
+ watcher->srv = g_strdup(sender);
+ watcher->path = g_strdup(path);
+
+ cadapter->watchers = g_slist_prepend(cadapter->watchers, watcher);
+
+ DBG("cycling watcher [%s] registered", path);
+
+ return dbus_message_new_method_return(msg);
+}
+
+static DBusMessage *unregister_watcher(DBusConnection *conn, DBusMessage *msg,
+ void *data)
+{
+ struct csc_adapter *cadapter = data;
+ struct watcher *watcher;
+ const char *sender = dbus_message_get_sender(msg);
+ char *path;
+
+ if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ return btd_error_invalid_args(msg);
+
+ watcher = find_watcher(cadapter->watchers, sender, path);
+ if (watcher == NULL)
+ return btd_error_does_not_exist(msg);
+
+ cadapter->watchers = g_slist_remove(cadapter->watchers, watcher);
+ g_dbus_remove_watch(conn, watcher->id);
+
+ DBG("cycling watcher [%s] unregistered", path);
+
+ return dbus_message_new_method_return(msg);
+}
+
+static const GDBusMethodTable cyclingspeed_manager_methods[] = {
+ { GDBUS_METHOD("RegisterWatcher",
+ GDBUS_ARGS({ "agent", "o" }), NULL,
+ register_watcher) },
+ { GDBUS_METHOD("UnregisterWatcher",
+ GDBUS_ARGS({ "agent", "o" }), NULL,
+ unregister_watcher) },
+ { }
+};
+
int csc_adapter_register(struct btd_adapter *adapter)
{
struct csc_adapter *cadapter;
@@ -320,6 +455,18 @@ int csc_adapter_register(struct btd_adapter *adapter)
csc_adapters = g_slist_prepend(csc_adapters, cadapter);
+ if (!g_dbus_register_interface(btd_get_dbus_connection(),
+ adapter_get_path(adapter),
+ CYCLINGSPEED_MANAGER_INTERFACE,
+ cyclingspeed_manager_methods,
+ NULL, NULL, cadapter,
+ destroy_csc_adapter)) {
+ error("D-Bus failed to register %s interface",
+ CYCLINGSPEED_MANAGER_INTERFACE);
+ destroy_csc_adapter(cadapter);
+ return -EIO;
+ }
+
return 0;
}
@@ -333,7 +480,9 @@ void csc_adapter_unregister(struct btd_adapter *adapter)
csc_adapters = g_slist_remove(csc_adapters, cadapter);
- destroy_csc_adapter(cadapter);
+ g_dbus_unregister_interface(btd_get_dbus_connection(),
+ adapter_get_path(cadapter->adapter),
+ CYCLINGSPEED_MANAGER_INTERFACE);
}
int csc_device_register(struct btd_device *device, struct gatt_primary *prim)
--
1.8.0
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
