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l2cap: extract l2cap_ecbm_emit_incoming_connection

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This commit is contained in:
Matthias Ringwald 2023-06-23 11:25:57 +02:00
parent 20fe8db3fc
commit 7703f6ed56
1 changed files with 21 additions and 16 deletions
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37
src/l2cap.c
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@ -3816,6 +3816,21 @@ static inline uint8_t l2cap_ecbm_status_for_result(uint16_t result) {
}
}
static void
l2cap_ecbm_emit_incoming_connection(l2cap_channel_t *channel, uint8_t num_channels) {
uint8_t event[16];
event[0] = L2CAP_EVENT_ECBM_INCOMING_CONNECTION;
event[1] = sizeof(event) - 2;
event[2] = channel->address_type;
reverse_bd_addr(channel->address, &event[3]);
little_endian_store_16(event, 9, channel->con_handle);
little_endian_store_16(event, 11, channel->psm);
event[13] = num_channels;
little_endian_store_16(event, 14, channel->local_cid);
hci_dump_packet(HCI_EVENT_PACKET, 1, event, sizeof(event));
(*channel->packet_handler)(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
static int l2cap_ecbm_signaling_handler_dispatch(hci_con_handle_t handle, uint16_t signaling_cid, uint8_t *command,
uint8_t sig_id) {
@ -3897,8 +3912,8 @@ static int l2cap_ecbm_signaling_handler_dispatch(hci_con_handle_t handle, uint16
// report the last result code != 0
result = 0;
// store one of the local cids for the event
uint16_t a_local_cid = 0;
// store one of the local channels for the event
l2cap_channel_t * a_channel = NULL;
for (i = 0; i < num_channels; i++) {
// check source cids
@ -3955,28 +3970,18 @@ static int l2cap_ecbm_signaling_handler_dispatch(hci_con_handle_t handle, uint16
btstack_linked_list_add_tail(&l2cap_channels, (btstack_linked_item_t *) channel);
a_local_cid = channel->local_cid;
a_channel = channel;
}
// if no channels have been created, all have been refused, and we can respond right away
if (a_local_cid == 0) {
if (a_channel == NULL) {
l2cap_register_signaling_response(handle, L2CAP_CREDIT_BASED_CONNECTION_REQUEST, sig_id,
num_channels_and_signaling_cid, result);
return 1;
}
// emit incoming data connection event
uint8_t event[16];
event[0] = L2CAP_EVENT_ECBM_INCOMING_CONNECTION;
event[1] = sizeof(event) - 2;
event[2] = connection->address_type;
reverse_bd_addr(connection->address, &event[3]);
little_endian_store_16(event, 9, connection->con_handle);
little_endian_store_16(event, 11, spsm);
event[13] = num_channels;
little_endian_store_16(event, 14, a_local_cid);
hci_dump_packet(HCI_EVENT_PACKET, 1, event, sizeof(event));
(*service->packet_handler)(HCI_EVENT_PACKET, a_local_cid, event, sizeof(event));
l2cap_ecbm_emit_incoming_connection(a_channel, num_channels);
} else {
l2cap_register_signaling_response(handle, L2CAP_CREDIT_BASED_CONNECTION_REQUEST, sig_id,