From: Luiz Augusto von Dentz <[email protected]>
This prints the value attribute information when print attribute
descriptors:
< ACL Data TX: Handle 3585 flags 0x00 dlen 9
ATT: Write Request (0x12) len 4
Handle: 0x002c Type: Client Characteristic Configuration (0x2902)
Value Handle: 0x002b Type: Battery Level (0x2a19)
Data: 0100
Notification (0x01)
---
monitor/att.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/monitor/att.c b/monitor/att.c
index 9f329370d698..42d1afe701a1 100644
--- a/monitor/att.c
+++ b/monitor/att.c
@@ -122,6 +122,56 @@ static struct att_read *att_get_read(const struct l2cap_frame *frame)
return queue_remove_if(data->reads, match_read_frame, (void *)frame);
}
+static void print_value(struct gatt_db_attribute *attr)
+{
+ uint16_t handle;
+ struct gatt_db_attribute *val;
+ const bt_uuid_t *uuid;
+ bt_uuid_t chrc = {
+ .type = BT_UUID16,
+ .value.u16 = 0x2803,
+ };
+ char label[27];
+
+ uuid = gatt_db_attribute_get_type(attr);
+ if (!uuid)
+ return;
+
+ /* Skip in case of characteristic declaration since it already prints
+ * the value handle and properties.
+ */
+ if (!bt_uuid_cmp(uuid, &chrc))
+ return;
+
+ val = gatt_db_attribute_get_value(attr);
+ if (!val || val == attr)
+ return;
+
+ uuid = gatt_db_attribute_get_type(val);
+ if (!uuid)
+ return;
+
+ handle = gatt_db_attribute_get_handle(val);
+ if (!handle)
+ return;
+
+ switch (uuid->type) {
+ case BT_UUID16:
+ sprintf(label, "Value Handle: 0x%4.4x Type", handle);
+ print_field("%s: %s (0x%4.4x)", label,
+ bt_uuid16_to_str(uuid->value.u16),
+ uuid->value.u16);
+ return;
+ case BT_UUID128:
+ sprintf(label, "Value Handle: 0x%4.4x Type", handle);
+ print_uuid(label, &uuid->value.u128, 16);
+ return;
+ case BT_UUID_UNSPEC:
+ case BT_UUID32:
+ break;
+ }
+}
+
static void print_attribute(struct gatt_db_attribute *attr)
{
uint16_t handle;
@@ -142,10 +192,12 @@ static void print_attribute(struct gatt_db_attribute *attr)
print_field("%s: %s (0x%4.4x)", label,
bt_uuid16_to_str(uuid->value.u16),
uuid->value.u16);
+ print_value(attr);
return;
case BT_UUID128:
sprintf(label, "Handle: 0x%4.4x Type", handle);
print_uuid(label, &uuid->value.u128, 16);
+ print_value(attr);
return;
case BT_UUID_UNSPEC:
case BT_UUID32:
--
2.39.2