[PATCH BlueZ 1/2] client: Add support to pass UUIDs to select-attribute

[Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>]

From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

This adds support to match attributes by UUID instead of object path.
---
 client/gatt.c | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 client/main.c |  4 ++--
 2 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/client/gatt.c b/client/gatt.c
index 37f222d..f7a2f0c 100644
--- a/client/gatt.c
+++ b/client/gatt.c
@@ -299,7 +299,7 @@ static GDBusProxy *select_proxy(const char *path, GList *source)
 	return NULL;
 }
 
-GDBusProxy *gatt_select_attribute(const char *path)
+static GDBusProxy *select_attribute(const char *path)
 {
 	GDBusProxy *proxy;
 
@@ -314,6 +314,50 @@ GDBusProxy *gatt_select_attribute(const char *path)
 	return select_proxy(path, descriptors);
 }
 
+static GDBusProxy *select_proxy_by_uuid(const char *uuid, GList *source)
+{
+	GList *l;
+	const char *value;
+	DBusMessageIter iter;
+
+	for (l = source; l; l = g_list_next(l)) {
+		GDBusProxy *proxy = l->data;
+
+		if (g_dbus_proxy_get_property(proxy, "UUID", &iter) == FALSE)
+			continue;
+
+		dbus_message_iter_get_basic(&iter, &value);
+
+		if (strcasecmp(uuid, value) == 0)
+			return proxy;
+	}
+
+	return NULL;
+}
+
+static GDBusProxy *select_attribute_by_uuid(const char *uuid)
+{
+	GDBusProxy *proxy;
+
+	proxy = select_proxy_by_uuid(uuid, services);
+	if (proxy)
+		return proxy;
+
+	proxy = select_proxy_by_uuid(uuid, characteristics);
+	if (proxy)
+		return proxy;
+
+	return select_proxy_by_uuid(uuid, descriptors);
+}
+
+GDBusProxy *gatt_select_attribute(const char *arg)
+{
+	if (arg[0] == '/')
+		return select_attribute(arg);
+
+	return select_attribute_by_uuid(arg);
+}
+
 static char *attribute_generator(const char *text, int state, GList *source)
 {
 	static int index, len;
diff --git a/client/main.c b/client/main.c
index e1198a8..d01e5fa 100644
--- a/client/main.c
+++ b/client/main.c
@@ -2130,9 +2130,9 @@ static const struct {
 	{ "list-attributes", "[dev]", cmd_list_attributes, "List attributes",
 							dev_generator },
 	{ "set-alias",    "<alias>",  cmd_set_alias, "Set device alias" },
-	{ "select-attribute", "<attribute>",  cmd_select_attribute,
+	{ "select-attribute", "<attribute/UUID>",  cmd_select_attribute,
 				"Select attribute", attribute_generator },
-	{ "attribute-info", "[attribute]",  cmd_attribute_info,
+	{ "attribute-info", "[attribute/UUID]",  cmd_attribute_info,
 				"Select attribute", attribute_generator },
 	{ "read",         NULL,       cmd_read, "Read attribute value" },
 	{ "write",        "<data=[xx xx ...]>", cmd_write,
-- 
2.9.3

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