[PATCH BlueZ] gatt-client: Add read-only handles to dbus

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This can be usefull when mapping names for services and characteristics
to their handle numbers.
---
 doc/gatt-api.txt  |  3 +++
 src/gatt-client.c | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/doc/gatt-api.txt b/doc/gatt-api.txt
index 5042c5470..f29308aec 100644
--- a/doc/gatt-api.txt
+++ b/doc/gatt-api.txt
@@ -51,6 +51,7 @@ Properties	string UUID [read-only]
 			services of this service.
 
 		uint16 Handle [read-write, optional] (Server Only)
+		              [read-only] (Client Only)
 
 			Service handle. When available in the server it
 			would attempt to use to allocate into the database
@@ -291,6 +292,7 @@ Properties	string UUID [read-only]
 				"authorize"
 
 		uint16 Handle [read-write, optional] (Server Only)
+		              [read-only] (Client Only)
 
 			Characteristic handle. When available in the server it
 			would attempt to use to allocate into the database
@@ -380,6 +382,7 @@ Properties	string UUID [read-only]
 				"authorize"
 
 		uint16 Handle [read-write, optional] (Server Only)
+		              [read-only] (Client Only)
 
 			Characteristic handle. When available in the server it
 			would attempt to use to allocate into the database
diff --git a/src/gatt-client.c b/src/gatt-client.c
index a54d65e30..60a21e3f6 100644
--- a/src/gatt-client.c
+++ b/src/gatt-client.c
@@ -137,6 +137,17 @@ static bool uuid_cmp(const bt_uuid_t *uuid, uint16_t u16)
 	return bt_uuid_cmp(uuid, &uuid16) == 0;
 }
 
+static gboolean descriptor_get_handle(const GDBusPropertyTable *property,
+					DBusMessageIter *iter, void *data)
+{
+	struct service *desc = data;
+	uint16_t handle = desc->start_handle;
+
+	dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT16, &handle);
+
+	return TRUE;
+}
+
 static gboolean descriptor_get_uuid(const GDBusPropertyTable *property,
 					DBusMessageIter *iter, void *data)
 {
@@ -635,6 +646,7 @@ static DBusMessage *descriptor_write_value(DBusConnection *conn,
 }
 
 static const GDBusPropertyTable descriptor_properties[] = {
+	{ "Handle", "q", descriptor_get_handle },
 	{ "UUID", "s", descriptor_get_uuid },
 	{ "Characteristic", "o", descriptor_get_characteristic, },
 	{ "Value", "ay", descriptor_get_value, NULL, descriptor_value_exists },
@@ -713,6 +725,17 @@ static void unregister_descriptor(void *data)
 							GATT_DESCRIPTOR_IFACE);
 }
 
+static gboolean characteristic_get_handle(const GDBusPropertyTable *property,
+					DBusMessageIter *iter, void *data)
+{
+	struct characteristic *chrc = data;
+	uint16_t handle = chrc->handle;
+
+	dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT16, &handle);
+
+	return TRUE;
+}
+
 static gboolean characteristic_get_uuid(const GDBusPropertyTable *property,
 					DBusMessageIter *iter, void *data)
 {
@@ -1660,6 +1683,7 @@ static DBusMessage *characteristic_stop_notify(DBusConnection *conn,
 }
 
 static const GDBusPropertyTable characteristic_properties[] = {
+	{ "Handle", "q", characteristic_get_handle },
 	{ "UUID", "s", characteristic_get_uuid, NULL, NULL },
 	{ "Service", "o", characteristic_get_service, NULL, NULL },
 	{ "Value", "ay", characteristic_get_value, NULL,
@@ -1821,6 +1845,17 @@ static void unregister_characteristic(void *data)
 						GATT_CHARACTERISTIC_IFACE);
 }
 
+static gboolean service_get_handle(const GDBusPropertyTable *property,
+					DBusMessageIter *iter, void *data)
+{
+	struct service *service = data;
+	uint16_t handle = service->start_handle;
+
+	dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT16, &handle);
+
+	return TRUE;
+}
+
 static gboolean service_get_uuid(const GDBusPropertyTable *property,
 					DBusMessageIter *iter, void *data)
 {
@@ -1884,6 +1919,7 @@ static gboolean service_get_includes(const GDBusPropertyTable *property,
 }
 
 static const GDBusPropertyTable service_properties[] = {
+	{ "Handle", "q", service_get_handle },
 	{ "UUID", "s", service_get_uuid },
 	{ "Device", "o", service_get_device },
 	{ "Primary", "b", service_get_primary },
-- 
2.34.1




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