void sdp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
// uint16_t handle;
if (packet_type == L2CAP_DATA_PACKET){
uint16_t responseTransactionID = READ_NET_16(packet,1);
if ( responseTransactionID != transactionID){
log_error("Missmatching transaction ID, expected %u, found %u.", transactionID, responseTransactionID);
return;
}
if (packet[0] != SDP_ServiceSearchAttributeResponse
&& packet[0] != SDP_ServiceSearchResponse
&& packet[0] != SDP_ServiceAttributeResponse){
log_error("Not a valid PDU ID, expected %u, %u or %u, found %u.", SDP_ServiceSearchResponse,
SDP_ServiceAttributeResponse, SDP_ServiceSearchAttributeResponse, packet[0]);
return;
}
PDU_ID = packet[0];
log_info("SDP Client :: PDU ID. %u ,%u", PDU_ID, packet[0]);
switch (PDU_ID){
#ifdef HAVE_SDP_EXTRA_QUERIES
case SDP_ServiceSearchResponse:
parse_service_search_response(packet);
break;
case SDP_ServiceAttributeResponse:
parse_service_attribute_response(packet);
break;
#endif
case SDP_ServiceSearchAttributeResponse:
parse_service_search_attribute_response(packet);
break;
default:
log_error("SDP Client :: PDU ID invalid. %u ,%u", PDU_ID, packet[0]);
return;
}
// continuation set or DONE?
if (continuationStateLen == 0){
log_info("SDP Client Query DONE! ");
sdp_client_state = QUERY_COMPLETE;
l2cap_disconnect_internal(sdp_cid, 0);
// sdp_parser_handle_done(0);
return;
}
// prepare next request and send
sdp_client_state = W2_SEND;
if (can_send_now(sdp_cid)) send_request(sdp_cid);
return;
}
if (packet_type != HCI_EVENT_PACKET) return;
switch(packet[0]){
case L2CAP_EVENT_TIMEOUT_CHECK:
log_info("sdp client: L2CAP_EVENT_TIMEOUT_CHECK");
break;
case L2CAP_EVENT_CHANNEL_OPENED:
if (sdp_client_state != W4_CONNECT) break;
// data: event (8), len(8), status (8), address(48), handle (16), psm (16), local_cid(16), remote_cid (16), local_mtu(16), remote_mtu(16)
if (packet[2]) {
log_error("SDP Client Connection failed.");
sdp_parser_handle_done(packet[2]);
break;
}
sdp_cid = channel;
mtu = READ_BT_16(packet, 17);
// handle = READ_BT_16(packet, 9);
log_info("SDP Client Connected, cid %x, mtu %u.", sdp_cid, mtu);
sdp_client_state = W2_SEND;
if (can_send_now(sdp_cid)) send_request(sdp_cid);
break;
case L2CAP_EVENT_CREDITS:
case DAEMON_EVENT_HCI_PACKET_SENT:
if (can_send_now(sdp_cid)) send_request(sdp_cid);
break;
case L2CAP_EVENT_CHANNEL_CLOSED: {
if (sdp_cid != READ_BT_16(packet, 2)) {
// log_info("Received L2CAP_EVENT_CHANNEL_CLOSED for cid %x, current cid %x\n", READ_BT_16(packet, 2),sdp_cid);
break;
}
log_info("SDP Client disconnected.");
uint8_t status = sdp_client_state == QUERY_COMPLETE ? 0 : SDP_QUERY_INCOMPLETE;
sdp_client_state = INIT;
sdp_parser_handle_done(status);
break;
}
default:
break;
}
}
void sdp_client_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
UNUSED(size);
// uint16_t handle;
if (packet_type == L2CAP_DATA_PACKET){
uint16_t responseTransactionID = big_endian_read_16(packet,1);
if (responseTransactionID != transactionID){
log_error("Mismatching transaction ID, expected %u, found %u.", transactionID, responseTransactionID);
return;
}
if (packet[0] == SDP_ErrorResponse){
log_error("Received error response with code %u, disconnecting", packet[2]);
l2cap_disconnect(sdp_cid, 0);
return;
}
if (packet[0] != SDP_ServiceSearchAttributeResponse
&& packet[0] != SDP_ServiceSearchResponse
&& packet[0] != SDP_ServiceAttributeResponse){
log_error("Not a valid PDU ID, expected %u, %u or %u, found %u.", SDP_ServiceSearchResponse,
SDP_ServiceAttributeResponse, SDP_ServiceSearchAttributeResponse, packet[0]);
return;
}
PDU_ID = (SDP_PDU_ID_t)packet[0];
log_debug("SDP Client :: PDU ID. %u ,%u", PDU_ID, packet[0]);
switch (PDU_ID){
#ifdef ENABLE_SDP_EXTRA_QUERIES
case SDP_ServiceSearchResponse:
sdp_client_parse_service_search_response(packet);
break;
case SDP_ServiceAttributeResponse:
sdp_client_parse_service_attribute_response(packet);
break;
#endif
case SDP_ServiceSearchAttributeResponse:
sdp_client_parse_service_search_attribute_response(packet);
break;
default:
log_error("SDP Client :: PDU ID invalid. %u ,%u", PDU_ID, packet[0]);
return;
}
// continuation set or DONE?
if (continuationStateLen == 0){
log_debug("SDP Client Query DONE! ");
sdp_client_state = QUERY_COMPLETE;
l2cap_disconnect(sdp_cid, 0);
return;
}
// prepare next request and send
sdp_client_state = W2_SEND;
l2cap_request_can_send_now_event(sdp_cid);
return;
}
if (packet_type != HCI_EVENT_PACKET) return;
switch(hci_event_packet_get_type(packet)){
case L2CAP_EVENT_CHANNEL_OPENED:
if (sdp_client_state != W4_CONNECT) break;
// data: event (8), len(8), status (8), address(48), handle (16), psm (16), local_cid(16), remote_cid (16), local_mtu(16), remote_mtu(16)
if (packet[2]) {
log_info("SDP Client Connection failed, status 0x%02x.", packet[2]);
sdp_client_state = INIT;
sdp_parser_handle_done(packet[2]);
break;
}
sdp_cid = channel;
mtu = little_endian_read_16(packet, 17);
// handle = little_endian_read_16(packet, 9);
log_debug("SDP Client Connected, cid %x, mtu %u.", sdp_cid, mtu);
sdp_client_state = W2_SEND;
l2cap_request_can_send_now_event(sdp_cid);
break;
case L2CAP_EVENT_CAN_SEND_NOW:
if(l2cap_event_can_send_now_get_local_cid(packet) == sdp_cid){
sdp_client_send_request(sdp_cid);
}
break;
case L2CAP_EVENT_CHANNEL_CLOSED: {
if (sdp_cid != little_endian_read_16(packet, 2)) {
// log_info("Received L2CAP_EVENT_CHANNEL_CLOSED for cid %x, current cid %x\n", little_endian_read_16(packet, 2),sdp_cid);
break;
}
log_info("SDP Client disconnected.");
uint8_t status = sdp_client_state == QUERY_COMPLETE ? 0 : SDP_QUERY_INCOMPLETE;
sdp_client_state = INIT;
sdp_parser_handle_done(status);
break;
}
default:
break;
}
}