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hfp: handle outgoing three-way call

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This commit is contained in:
Matthias Ringwald 2015-11-23 13:40:34 +01:00
parent 294f20656a
commit 09a794ba37
1 changed files with 74 additions and 49 deletions
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123
src/hfp_ag.c
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@ -688,35 +688,6 @@ static void hfp_timeout_stop(hfp_connection_t * context){
run_loop_remove_timer(&context->hfp_timeout);
}
//
// only reason for this: wait for audio connection established event
//
static int incoming_call_state_machine(hfp_connection_t * connection){
switch (connection->call_state){
case HFP_CALL_W4_AUDIO_CONNECTION_FOR_IN_BAND_RING:
if (connection->state != HFP_AUDIO_CONNECTION_ESTABLISHED) return 0;
// we got event: audio connection established
connection->call_state = HFP_CALL_RINGING;
hfp_emit_event(hfp_callback, HFP_SUBEVENT_START_RINGINIG, 0);
break;
case HFP_CALL_W4_AUDIO_CONNECTION_FOR_ACTIVE:
if (connection->state != HFP_AUDIO_CONNECTION_ESTABLISHED) return 0;
// we got event: audio connection established
connection->call_state = HFP_CALL_ACTIVE;
break;
case HFP_CALL_W2_SEND_CALL_WAITING: {
hfp_ag_send_call_waiting_notification(connection->rfcomm_cid);
int indicator_index = get_ag_indicator_index_for_name("callsetup");
connection->ag_indicators_status_update_bitmap = store_bit(connection->ag_indicators_status_update_bitmap, indicator_index, 1);
connection->call_state = HFP_CALL_W4_CHLD;
break;
}
default:
break;
}
return 0;
}
//
// transitition implementations for hfp_ag_call_state_machine
//
@ -789,6 +760,20 @@ static void hfp_ag_transfer_call_state(void){
}
}
static void hfp_ag_transfer_callheld_state(void){
int indicator_index = get_ag_indicator_index_for_name("callheld");
if (indicator_index < 0) return;
linked_list_iterator_t it;
linked_list_iterator_init(&it, hfp_get_connections());
while (linked_list_iterator_has_next(&it)){
hfp_connection_t * connection = (hfp_connection_t *)linked_list_iterator_next(&it);
hfp_ag_establish_service_level_connection(connection->remote_addr);
connection->ag_indicators_status_update_bitmap = store_bit(connection->ag_indicators_status_update_bitmap, indicator_index, 1);
hfp_run_for_context(connection);
}
}
static void hfp_ag_hf_accept_call(hfp_connection_t * source){
int call_indicator_index = get_ag_indicator_index_for_name("call");
@ -913,8 +898,34 @@ static hfp_connection_t * hfp_ag_connection_for_call_state(hfp_call_state_t call
return NULL;
}
static int incoming_call_state_machine(hfp_connection_t * connection){
int indicator_index;
switch (connection->call_state){
case HFP_CALL_W4_AUDIO_CONNECTION_FOR_IN_BAND_RING:
if (connection->state != HFP_AUDIO_CONNECTION_ESTABLISHED) return 0;
// we got event: audio connection established
connection->call_state = HFP_CALL_RINGING;
hfp_emit_event(hfp_callback, HFP_SUBEVENT_START_RINGINIG, 0);
break;
case HFP_CALL_W4_AUDIO_CONNECTION_FOR_ACTIVE:
if (connection->state != HFP_AUDIO_CONNECTION_ESTABLISHED) return 0;
// we got event: audio connection established
connection->call_state = HFP_CALL_ACTIVE;
break;
case HFP_CALL_W2_SEND_CALL_WAITING:
connection->call_state = HFP_CALL_W4_CHLD;
hfp_ag_send_call_waiting_notification(connection->rfcomm_cid);
indicator_index = get_ag_indicator_index_for_name("callsetup");
connection->ag_indicators_status_update_bitmap = store_bit(connection->ag_indicators_status_update_bitmap, indicator_index, 1);
break;
default:
break;
}
return 0;
}
// connection is used to identify originating HF
static void hfp_ag_call_sm(hfp_ag_call_event_t event, hfp_connection_t * connection){
int indicator_index;
switch (event){
case HFP_AG_INCOMING_CALL:
switch (hfp_ag_call_state){
@ -1092,11 +1103,25 @@ static void hfp_ag_call_sm(hfp_ag_call_event_t event, hfp_connection_t * connect
log_info("hfp_ag_call_sm: did not find outgoing connection in initiated state");
break;
}
connection->ok_pending = 1;
connection->call_state = HFP_CALL_OUTGOING_DIALING;
hfp_ag_establish_audio_connection(connection->remote_addr);
// trigger callsetup to be
hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_OUTGOING_CALL_SETUP_IN_DIALING_STATE);
hfp_ag_transfer_callsetup_state();
indicator_index = get_ag_indicator_index_for_name("callsetup");
connection->ag_indicators_status_update_bitmap = store_bit(connection->ag_indicators_status_update_bitmap, indicator_index, 1);
// put current call on hold if active
if (hfp_ag_call_state == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT){
printf("AG putting current call on hold for new outgoing call\n");
hfp_ag_set_callheld_state(HFP_CALLHELD_STATUS_CALL_ON_HOLD_AND_NO_ACTIVE_CALLS);
indicator_index = get_ag_indicator_index_for_name("callheld");
hfp_ag_transfer_ag_indicators_status_cmd(connection->rfcomm_cid, &hfp_ag_indicators[indicator_index]);
}
// start audio if needed
hfp_ag_establish_audio_connection(connection->remote_addr);
break;
case HFP_AG_OUTGOING_CALL_RINGING:
@ -1111,24 +1136,23 @@ static void hfp_ag_call_sm(hfp_ag_call_event_t event, hfp_connection_t * connect
break;
case HFP_AG_OUTGOING_CALL_ESTABLISHED:
switch (hfp_ag_call_state){
case HFP_CALL_STATUS_NO_HELD_OR_ACTIVE_CALLS:
connection = hfp_ag_connection_for_call_state(HFP_CALL_OUTGOING_RINGING);
if (!connection){
connection = hfp_ag_connection_for_call_state(HFP_CALL_OUTGOING_DIALING);
}
if (!connection){
log_info("hfp_ag_call_sm: did not find outgoing connection");
break;
}
connection->call_state = HFP_CALL_ACTIVE;
hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS);
hfp_ag_set_call_state(HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT);
hfp_ag_transfer_call_state();
hfp_ag_transfer_callsetup_state();
break;
default:
break;
// get outgoing call
connection = hfp_ag_connection_for_call_state(HFP_CALL_OUTGOING_RINGING);
if (!connection){
connection = hfp_ag_connection_for_call_state(HFP_CALL_OUTGOING_DIALING);
}
if (!connection){
log_info("hfp_ag_call_sm: did not find outgoing connection");
break;
}
connection->call_state = HFP_CALL_ACTIVE;
hfp_ag_set_callsetup_state(HFP_CALLSETUP_STATUS_NO_CALL_SETUP_IN_PROGRESS);
hfp_ag_set_call_state(HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT);
hfp_ag_transfer_call_state();
hfp_ag_transfer_callsetup_state();
if (hfp_ag_callheld_state == HFP_CALLHELD_STATUS_CALL_ON_HOLD_AND_NO_ACTIVE_CALLS){
hfp_ag_set_callheld_state(HFP_CALLHELD_STATUS_CALL_ON_HOLD_OR_SWAPPED);
hfp_ag_transfer_callheld_state();
}
break;
default:
@ -1306,6 +1330,7 @@ static void hfp_handle_rfcomm_data(uint8_t packet_type, uint16_t channel, uint8_
case HFP_CMD_REDIAL_LAST_NUMBER:
context->command = HFP_CMD_NONE;
hfp_ag_call_sm(HFP_AG_OUTGOING_REDIAL_INITIATED, context);
break;
case HFP_CMD_ENABLE_CLIP:
context->command = HFP_CMD_NONE;
context->clip_enabled = context->line_buffer[8] != '0';