michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: GATT: Remove subscriptions on disconnect

Browse source 
If a device is disconnected and has not been paired remove any
subscriptions to the device since it wont be notifying once reconnected
the application will have to subscribe again.

Change-Id: I8ca7de0ccaefbc543b723ce5280ab8ee5f9157d1
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2015-07-29 15:03:55 +03:00 • committed by Anas Nashif
commit 0a918ae444
1 changed files with 32 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

32
net/bluetooth/gatt.c
View file

@ -472,10 +472,42 @@ static uint8_t disconnected_cb(const struct bt_gatt_attr *attr, void *user_data)
return BT_GATT_ITER_CONTINUE;
}
static void gatt_subscription_remove(struct bt_gatt_subscribe_params *prev,
struct bt_gatt_subscribe_params *params)
{
/* Remove subscription from the list*/
if (!prev) {
subscriptions = params->_next;
} else {
prev->_next = params->_next;
}
if (params->destroy)
params->destroy(params);
}
void bt_gatt_disconnected(struct bt_conn *conn)
{
struct bt_gatt_subscribe_params *params, *prev;
BT_DBG("conn %p\n", conn);
bt_gatt_foreach_attr(0x0001, 0xffff, disconnected_cb, conn);
/* If paired don't remove subscriptions */
if (bt_keys_find_addr(&conn->dst)) {
return;
}
/* Lookup existing subscriptions */
for (params = subscriptions, prev = NULL; params;
prev = params, params = params->_next) {
if (bt_addr_le_cmp(&params->_peer, &conn->dst)) {
continue;
}
/* Remove subscription */
gatt_subscription_remove(prev, params);
}
}
static void gatt_mtu_rsp(struct bt_conn *conn, uint8_t err, const void *pdu,