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att_server: release eatt bearer on disconnect

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This commit is contained in:
Matthias Ringwald 2023-05-12 23:00:01 +02:00
parent 6b236cb0e9
commit 523bb989ed
1 changed files with 22 additions and 0 deletions
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22
src/ble/att_server.c
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@ -1332,6 +1332,18 @@ typedef struct {
static btstack_linked_list_t att_server_eatt_bearer_pool;
static btstack_linked_list_t att_server_eatt_bearer_active;
static att_server_eatt_bearer_t * att_server_eatt_bearer_for_cid(uint16_t cid){
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, &att_server_eatt_bearer_active);
while(btstack_linked_list_iterator_has_next(&it)){
att_server_eatt_bearer_t * eatt_bearer = (att_server_eatt_bearer_t *) btstack_linked_list_iterator_next(&it);
if (eatt_bearer->l2cap_cid == cid) {
return eatt_bearer;
}
}
return NULL;
}
static void att_server_eatt_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
uint16_t cid;
uint8_t status;
@ -1344,6 +1356,7 @@ static void att_server_eatt_handler(uint8_t packet_type, uint16_t channel, uint8
uint8_t * receive_buffers[5];
uint16_t cids[5];
att_server_eatt_bearer_t * eatt_bearers[5];
att_server_eatt_bearer_t * eatt_bearer;
switch (packet_type) {
@ -1394,6 +1407,15 @@ static void att_server_eatt_handler(uint8_t packet_type, uint16_t channel, uint8
case L2CAP_EVENT_ECBM_RECONFIGURED:
break;
case L2CAP_EVENT_CHANNEL_CLOSED:
eatt_bearer = att_server_eatt_bearer_for_cid(l2cap_event_channel_closed_get_local_cid(packet));
btstack_assert(eatt_bearers != NULL);
// TODO: finalize - abort queued writes
btstack_linked_list_remove(&att_server_eatt_bearer_active, (btstack_linked_item_t *) eatt_bearers);
btstack_linked_list_add(&att_server_eatt_bearer_pool, (btstack_linked_item_t *) eatt_bearer);
break;
default:
break;
}