mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-29 22:20:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

avdtp: in get_all_capabilities command send get capabilities if AVDTP version of remote is lower then 1.3, otherwise send get all capabilities

Browse Source
This commit is contained in:
Milanka Ringwald 2020-09-22 15:54:29 +02:00
parent 4f2219ad44
commit cc61e7e99b
2 changed files with 63 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
src/classic/avdtp.c
View File

@ -264,6 +264,10 @@ static void avdtp_handle_start_sdp_client_query(void * context){
case AVDTP_SIGNALING_W2_SEND_SDP_QUERY_FOR_REMOTE_SINK:
connection->state = AVDTP_SIGNALING_W4_SDP_QUERY_FOR_REMOTE_SINK_COMPLETE;
break;
case AVDTP_SIGNALING_CONNECTION_OPENED:
if (connection->initiator_connection_state != AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_SEND_SDP_QUERY_THEN_GET_ALL_CAPABILITIES) continue;
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W4_SDP_QUERY_COMPLETE_THEN_GET_ALL_CAPABILITIES;
break;
default:
continue;
}
@ -538,6 +542,7 @@ static void avdtp_handle_sdp_client_query_attribute_value(avdtp_connection_t * c
case BLUETOOTH_PROTOCOL_AVDTP:
if (!des_iterator_has_more(&prot_it)) continue;
de_element_get_uint16(des_iterator_get_element(&prot_it), &connection->avdtp_version);
log_info("avdtp version 0x%02x", connection->avdtp_version);
break;
default:
break;
@ -564,13 +569,19 @@ static void avdtp_finalize_connection(avdtp_connection_t * connection){
static void avdtp_handle_sdp_query_failed(avdtp_connection_t * connection, uint8_t status){
switch (connection->state){
case AVDTP_SIGNALING_W4_SDP_QUERY_FOR_REMOTE_SINK_COMPLETE:
avdtp_signaling_emit_connection_established(connection->avdtp_cid, connection->remote_addr, status);
break;
case AVDTP_SIGNALING_W4_SDP_QUERY_FOR_REMOTE_SOURCE_COMPLETE:
avdtp_signaling_emit_connection_established(connection->avdtp_cid, connection->remote_addr, status);
break;
default:
case AVDTP_SIGNALING_CONNECTION_OPENED:
// SDP query failed: try query that must be supported
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_CAPABILITIES;
avdtp_request_can_send_now_initiator(connection, connection->l2cap_signaling_cid);
return;
default:
btstack_assert(false);
break;
}
avdtp_finalize_connection(connection);
sdp_query_context_avdtp_cid = 0;
@ -578,7 +589,22 @@ static void avdtp_handle_sdp_query_failed(avdtp_connection_t * connection, uint8
}
static void avdtp_handle_sdp_query_succeeded(avdtp_connection_t * connection){
connection->state = AVDTP_SIGNALING_CONNECTION_W4_L2CAP_CONNECTED;
log_info("avdtp_handle_sdp_query_succeeded: state %d", connection->state);
switch (connection->state){
case AVDTP_SIGNALING_CONNECTION_OPENED:
if (connection->avdtp_version < 0x0103){
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_CAPABILITIES;
} else {
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_ALL_CAPABILITIES;
}
avdtp_request_can_send_now_initiator(connection, connection->l2cap_signaling_cid);
break;
default:
connection->state = AVDTP_SIGNALING_CONNECTION_W4_L2CAP_CONNECTED;
l2cap_create_channel(avdtp_packet_handler, connection->remote_addr, connection->avdtp_l2cap_psm, l2cap_max_mtu(), NULL);
break;
}
}
static void avdtp_handle_sdp_client_query_result(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
@ -638,6 +664,21 @@ static void avdtp_handle_sdp_client_query_result(uint8_t packet_type, uint16_t c
return;
}
break;
case AVDTP_SIGNALING_CONNECTION_OPENED:
switch (hci_event_packet_get_type(packet)){
case SDP_EVENT_QUERY_ATTRIBUTE_VALUE:
avdtp_handle_sdp_client_query_attribute_value(connection, packet);
return;
case SDP_EVENT_QUERY_COMPLETE:
status = sdp_event_query_complete_get_status(packet);
break;
default:
btstack_assert(false);
return;
}
break;
default:
// bail out, we must have had an incoming connection in the meantime; just trigger next sdp query on complete
if (hci_event_packet_get_type(packet) == SDP_EVENT_QUERY_COMPLETE){
@ -648,7 +689,6 @@ static void avdtp_handle_sdp_client_query_result(uint8_t packet_type, uint16_t c
if (status == ERROR_CODE_SUCCESS){
avdtp_handle_sdp_query_succeeded(connection);
l2cap_create_channel(avdtp_packet_handler, connection->remote_addr, connection->avdtp_l2cap_psm, l2cap_max_mtu(), NULL);
} else {
avdtp_handle_sdp_query_failed(connection, status);
}
@ -1183,9 +1223,23 @@ uint8_t avdtp_get_all_capabilities(uint16_t avdtp_cid, uint8_t remote_seid){
}
connection->initiator_transaction_label= avdtp_get_next_transaction_label();
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_ALL_CAPABILITIES;
connection->initiator_remote_seid = remote_seid;
return avdtp_request_can_send_now_initiator(connection, connection->l2cap_signaling_cid);
if (connection->avdtp_version == 0){
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_SEND_SDP_QUERY_THEN_GET_ALL_CAPABILITIES;
avdtp_handle_sdp_client_query_request.callback = &avdtp_handle_start_sdp_client_query;
// ignore ERROR_CODE_COMMAND_DISALLOWED because in that case, we already have requested an SDP callback
(void) sdp_client_register_query_callback(&avdtp_handle_sdp_client_query_request);
return ERROR_CODE_SUCCESS;
} else {
// AVDTP version lower then 1.3 supports only get capabilities command
if (connection->avdtp_version < 0x103){
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_CAPABILITIES;
} else {
connection->initiator_connection_state = AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_ALL_CAPABILITIES;
}
return avdtp_request_can_send_now_initiator(connection, connection->l2cap_signaling_cid);
}
}
uint8_t avdtp_get_configuration(uint16_t avdtp_cid, uint8_t remote_seid){

2
src/classic/avdtp.h
View File

@ -369,6 +369,8 @@ typedef enum {
typedef enum {
AVDTP_SIGNALING_CONNECTION_INITIATOR_IDLE = 0,
AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_DISCOVER_SEPS,
AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_SEND_SDP_QUERY_THEN_GET_ALL_CAPABILITIES,
AVDTP_SIGNALING_CONNECTION_INITIATOR_W4_SDP_QUERY_COMPLETE_THEN_GET_ALL_CAPABILITIES,
AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_CAPABILITIES,
AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_ALL_CAPABILITIES,
AVDTP_SIGNALING_CONNECTION_INITIATOR_W2_GET_CONFIGURATION,