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859 lines
28 KiB
859 lines
28 KiB
/******************************************************************************
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*
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* Copyright 2003-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This file contains action functions for the audio gateway.
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*
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******************************************************************************/
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#include <cstdint>
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#include <cstring>
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#include "bta/ag/bta_ag_int.h"
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#include "bta/include/bta_dm_api.h"
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#include "btif/include/btif_config.h"
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#include "osi/include/osi.h" // UNUSED_ATTR
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#include "stack/include/l2c_api.h"
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#include "stack/include/port_api.h"
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/*****************************************************************************
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* Constants
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****************************************************************************/
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/* maximum length of data to read from RFCOMM */
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#define BTA_AG_RFC_READ_MAX 512
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/* maximum AT command length */
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#define BTA_AG_CMD_MAX 512
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const uint16_t bta_ag_uuid[BTA_AG_NUM_IDX] = {
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UUID_SERVCLASS_HEADSET_AUDIO_GATEWAY, UUID_SERVCLASS_AG_HANDSFREE};
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const uint8_t bta_ag_sec_id[BTA_AG_NUM_IDX] = {BTM_SEC_SERVICE_HEADSET_AG,
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BTM_SEC_SERVICE_AG_HANDSFREE};
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const tBTA_SERVICE_ID bta_ag_svc_id[BTA_AG_NUM_IDX] = {BTA_HSP_SERVICE_ID,
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BTA_HFP_SERVICE_ID};
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const tBTA_SERVICE_MASK bta_ag_svc_mask[BTA_AG_NUM_IDX] = {
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BTA_HSP_SERVICE_MASK, BTA_HFP_SERVICE_MASK};
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typedef void (*tBTA_AG_ATCMD_CBACK)(tBTA_AG_SCB* p_scb, uint16_t cmd,
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uint8_t arg_type, char* p_arg, char* p_end,
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int16_t int_arg);
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const tBTA_AG_ATCMD_CBACK bta_ag_at_cback_tbl[BTA_AG_NUM_IDX] = {
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bta_ag_at_hsp_cback, bta_ag_at_hfp_cback};
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/*******************************************************************************
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*
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* Function bta_ag_cback_open
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*
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* Description Send open callback event to application.
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*
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*
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* Returns void
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*
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******************************************************************************/
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static void bta_ag_cback_open(tBTA_AG_SCB* p_scb, const RawAddress& bd_addr,
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tBTA_AG_STATUS status) {
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tBTA_AG_OPEN open = {};
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/* call app callback with open event */
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open.hdr.handle = bta_ag_scb_to_idx(p_scb);
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open.hdr.app_id = p_scb->app_id;
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open.status = status;
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open.service_id = bta_ag_svc_id[p_scb->conn_service];
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open.bd_addr = bd_addr;
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(*bta_ag_cb.p_cback)(BTA_AG_OPEN_EVT, (tBTA_AG*)&open);
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}
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/*******************************************************************************
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*
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* Function bta_ag_register
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*
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* Description This function initializes values of the AG cb and sets up
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* the SDP record for the services.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_register(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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/* initialize control block */
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p_scb->reg_services = data.api_register.services;
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p_scb->features = data.api_register.features;
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p_scb->masked_features = data.api_register.features;
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p_scb->app_id = data.api_register.app_id;
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/* create SDP records */
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bta_ag_create_records(p_scb, data);
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/* start RFCOMM servers */
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bta_ag_start_servers(p_scb, p_scb->reg_services);
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/* call app callback with register event */
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tBTA_AG_REGISTER reg = {};
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reg.hdr.handle = bta_ag_scb_to_idx(p_scb);
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reg.hdr.app_id = p_scb->app_id;
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reg.status = BTA_AG_SUCCESS;
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(*bta_ag_cb.p_cback)(BTA_AG_REGISTER_EVT, (tBTA_AG*)®);
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}
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/*******************************************************************************
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*
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* Function bta_ag_deregister
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*
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* Description This function removes the sdp records, closes the RFCOMM
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* servers, and deallocates the service control block.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_deregister(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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/* set dealloc */
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p_scb->dealloc = true;
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/* remove sdp records */
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bta_ag_del_records(p_scb);
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/* remove rfcomm servers */
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bta_ag_close_servers(p_scb, p_scb->reg_services);
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/* dealloc */
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bta_ag_scb_dealloc(p_scb);
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}
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/*******************************************************************************
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*
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* Function bta_ag_start_dereg
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*
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* Description Start a deregister event.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_start_dereg(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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/* set dealloc */
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p_scb->dealloc = true;
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/* remove sdp records */
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bta_ag_del_records(p_scb);
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}
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/*******************************************************************************
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*
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* Function bta_ag_start_open
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*
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* Description This starts an AG open.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_start_open(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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p_scb->peer_addr = data.api_open.bd_addr;
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p_scb->open_services = p_scb->reg_services;
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/* Check if RFCOMM has any incoming connection to avoid collision. */
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RawAddress pending_bd_addr = RawAddress::kEmpty;
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if (PORT_IsOpening(&pending_bd_addr)) {
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/* Let the incoming connection goes through. */
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/* Issue collision for this scb for now. */
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/* We will decide what to do when we find incoming connetion later. */
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bta_ag_collision_cback(BTA_SYS_CONN_OPEN, BTA_ID_AG, 0, p_scb->peer_addr);
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return;
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}
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/* close servers */
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bta_ag_close_servers(p_scb, p_scb->reg_services);
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/* set role */
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p_scb->role = BTA_AG_INT;
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/* do service search */
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bta_ag_do_disc(p_scb, p_scb->open_services);
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}
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/*******************************************************************************
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*
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* Function bta_ag_disc_int_res
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*
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* Description This function handles a discovery result when initiator.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_disc_int_res(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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uint16_t event = BTA_AG_DISC_FAIL_EVT;
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APPL_TRACE_DEBUG("bta_ag_disc_int_res: Status: %d", data.disc_result.status);
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/* if found service */
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if (data.disc_result.status == SDP_SUCCESS ||
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data.disc_result.status == SDP_DB_FULL) {
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/* get attributes */
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if (bta_ag_sdp_find_attr(p_scb, p_scb->open_services)) {
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/* set connected service */
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p_scb->conn_service = bta_ag_service_to_idx(p_scb->open_services);
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/* send ourselves sdp ok event */
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event = BTA_AG_DISC_OK_EVT;
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}
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}
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/* free discovery db */
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bta_ag_free_db(p_scb, data);
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/* if service not found check if we should search for other service */
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if ((event == BTA_AG_DISC_FAIL_EVT) &&
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(data.disc_result.status == SDP_SUCCESS ||
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data.disc_result.status == SDP_DB_FULL ||
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data.disc_result.status == SDP_NO_RECS_MATCH)) {
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if ((p_scb->open_services & BTA_HFP_SERVICE_MASK) &&
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(p_scb->open_services & BTA_HSP_SERVICE_MASK)) {
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/* search for HSP */
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p_scb->open_services &= ~BTA_HFP_SERVICE_MASK;
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bta_ag_do_disc(p_scb, p_scb->open_services);
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} else if ((p_scb->open_services & BTA_HSP_SERVICE_MASK) &&
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(p_scb->hsp_version == HSP_VERSION_1_2)) {
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/* search for UUID_SERVCLASS_HEADSET instead */
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p_scb->hsp_version = HSP_VERSION_1_0;
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bta_ag_do_disc(p_scb, p_scb->open_services);
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} else {
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/* send ourselves sdp ok/fail event */
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bta_ag_sm_execute(p_scb, event, data);
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}
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} else {
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/* send ourselves sdp ok/fail event */
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bta_ag_sm_execute(p_scb, event, data);
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}
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}
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/*******************************************************************************
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*
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* Function bta_ag_disc_acp_res
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*
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* Description This function handles a discovery result when acceptor.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_disc_acp_res(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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/* if found service */
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if (data.disc_result.status == SDP_SUCCESS ||
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data.disc_result.status == SDP_DB_FULL) {
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/* get attributes */
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bta_ag_sdp_find_attr(p_scb, bta_ag_svc_mask[p_scb->conn_service]);
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}
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/* free discovery db */
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bta_ag_free_db(p_scb, data);
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}
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/*******************************************************************************
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*
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* Function bta_ag_disc_fail
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*
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* Description This function handles a discovery failure.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_disc_fail(tBTA_AG_SCB* p_scb,
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UNUSED_ATTR const tBTA_AG_DATA& data) {
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/* reopen registered servers */
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bta_ag_start_servers(p_scb, p_scb->reg_services);
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/* reinitialize stuff */
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/* clear the remote BD address */
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RawAddress peer_addr = p_scb->peer_addr;
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p_scb->peer_addr = RawAddress::kEmpty;
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/* call open cback w. failure */
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bta_ag_cback_open(p_scb, peer_addr, BTA_AG_FAIL_SDP);
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}
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/*******************************************************************************
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*
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* Function bta_ag_open_fail
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*
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* Description open connection failed.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_open_fail(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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/* call open cback w. failure */
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bta_ag_cback_open(p_scb, data.api_open.bd_addr, BTA_AG_FAIL_RESOURCES);
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}
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/*******************************************************************************
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*
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* Function bta_ag_rfc_fail
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*
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* Description RFCOMM connection failed.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_rfc_fail(tBTA_AG_SCB* p_scb, UNUSED_ATTR const tBTA_AG_DATA& data) {
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RawAddress peer_addr = p_scb->peer_addr;
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/* reinitialize stuff */
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p_scb->conn_handle = 0;
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p_scb->conn_service = 0;
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p_scb->peer_features = 0;
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p_scb->peer_codecs = BTA_AG_CODEC_CVSD;
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p_scb->sco_codec = BTA_AG_CODEC_CVSD;
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p_scb->role = 0;
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p_scb->svc_conn = false;
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p_scb->hsp_version = HSP_VERSION_1_2;
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/*Clear the BD address*/
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p_scb->peer_addr = RawAddress::kEmpty;
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/* reopen registered servers */
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bta_ag_start_servers(p_scb, p_scb->reg_services);
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/* call open cback w. failure */
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bta_ag_cback_open(p_scb, peer_addr, BTA_AG_FAIL_RFCOMM);
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}
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/*******************************************************************************
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*
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* Function bta_ag_rfc_close
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*
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* Description RFCOMM connection closed.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_rfc_close(tBTA_AG_SCB* p_scb,
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UNUSED_ATTR const tBTA_AG_DATA& data) {
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tBTA_AG_CLOSE close = {};
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tBTA_SERVICE_MASK services;
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int i, num_active_conn = 0;
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/* reinitialize stuff */
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p_scb->conn_service = 0;
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p_scb->peer_features = 0;
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p_scb->masked_features = p_scb->features;
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p_scb->peer_codecs = BTA_AG_CODEC_CVSD;
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p_scb->sco_codec = BTA_AG_CODEC_CVSD;
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/* Clear these flags upon SLC teardown */
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p_scb->codec_updated = false;
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p_scb->codec_fallback = false;
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p_scb->codec_msbc_settings = BTA_AG_SCO_MSBC_SETTINGS_T2;
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p_scb->role = 0;
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p_scb->post_sco = BTA_AG_POST_SCO_NONE;
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p_scb->svc_conn = false;
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p_scb->hsp_version = HSP_VERSION_1_2;
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bta_ag_at_reinit(&p_scb->at_cb);
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for (auto& peer_hf_indicator : p_scb->peer_hf_indicators) {
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peer_hf_indicator = {};
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}
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for (auto& local_hf_indicator : p_scb->local_hf_indicators) {
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local_hf_indicator = {};
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}
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/* stop timers */
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alarm_cancel(p_scb->ring_timer);
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alarm_cancel(p_scb->codec_negotiation_timer);
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close.hdr.handle = bta_ag_scb_to_idx(p_scb);
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close.hdr.app_id = p_scb->app_id;
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close.bd_addr = p_scb->peer_addr;
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bta_sys_conn_close(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
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if (bta_ag_get_active_device() == p_scb->peer_addr) {
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bta_clear_active_device();
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}
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/* call close cback */
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(*bta_ag_cb.p_cback)(BTA_AG_CLOSE_EVT, (tBTA_AG*)&close);
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/* if not deregistering (deallocating) reopen registered servers */
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if (!p_scb->dealloc) {
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/* Clear peer bd_addr so instance can be reused */
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p_scb->peer_addr = RawAddress::kEmpty;
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/* start only unopened server */
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services = p_scb->reg_services;
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for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++) {
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if (p_scb->serv_handle[i])
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services &= ~((tBTA_SERVICE_MASK)1 << (BTA_HSP_SERVICE_ID + i));
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}
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bta_ag_start_servers(p_scb, services);
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p_scb->conn_handle = 0;
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/* Make sure SCO state is BTA_AG_SCO_SHUTDOWN_ST */
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bta_ag_sco_shutdown(p_scb, tBTA_AG_DATA::kEmpty);
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/* Check if all the SLCs are down */
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for (i = 0; i < BTA_AG_MAX_NUM_CLIENTS; i++) {
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if (bta_ag_cb.scb[i].in_use && bta_ag_cb.scb[i].svc_conn)
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num_active_conn++;
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}
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if (!num_active_conn) {
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bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
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}
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}
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/* else close port and deallocate scb */
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else {
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RFCOMM_RemoveServer(p_scb->conn_handle);
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bta_ag_scb_dealloc(p_scb);
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}
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}
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/*******************************************************************************
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*
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* Function bta_ag_rfc_open
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*
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* Description Handle RFCOMM channel open.
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*
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*
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* Returns void
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*
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******************************************************************************/
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void bta_ag_rfc_open(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
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/* initialize AT feature variables */
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p_scb->clip_enabled = false;
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p_scb->ccwa_enabled = false;
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p_scb->cmer_enabled = false;
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p_scb->cmee_enabled = false;
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p_scb->inband_enabled =
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((p_scb->features & BTA_AG_FEAT_INBAND) == BTA_AG_FEAT_INBAND);
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if (p_scb->conn_service == BTA_AG_HFP) {
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size_t version_value_size = sizeof(p_scb->peer_version);
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if (!btif_config_get_bin(
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p_scb->peer_addr.ToString(), HFP_VERSION_CONFIG_KEY,
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(uint8_t*)&p_scb->peer_version, &version_value_size)) {
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APPL_TRACE_WARNING("%s: Failed read cached peer HFP version for %s",
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__func__, p_scb->peer_addr.ToString().c_str());
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p_scb->peer_version = HFP_HSP_VERSION_UNKNOWN;
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}
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size_t sdp_features_size = sizeof(p_scb->peer_sdp_features);
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if (btif_config_get_bin(
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p_scb->peer_addr.ToString(), HFP_SDP_FEATURES_CONFIG_KEY,
|
|
(uint8_t*)&p_scb->peer_sdp_features, &sdp_features_size)) {
|
|
bool sdp_wbs_support = p_scb->peer_sdp_features & BTA_AG_FEAT_WBS_SUPPORT;
|
|
if (!p_scb->received_at_bac && sdp_wbs_support) {
|
|
p_scb->codec_updated = true;
|
|
p_scb->peer_codecs = BTA_AG_CODEC_CVSD & BTA_AG_CODEC_MSBC;
|
|
p_scb->sco_codec = UUID_CODEC_MSBC;
|
|
}
|
|
} else {
|
|
APPL_TRACE_WARNING("%s: Failed read cached peer HFP SDP features for %s",
|
|
__func__, p_scb->peer_addr.ToString().c_str());
|
|
}
|
|
}
|
|
|
|
/* set up AT command interpreter */
|
|
p_scb->at_cb.p_at_tbl = bta_ag_at_tbl[p_scb->conn_service];
|
|
p_scb->at_cb.p_cmd_cback = bta_ag_at_cback_tbl[p_scb->conn_service];
|
|
p_scb->at_cb.p_err_cback = bta_ag_at_err_cback;
|
|
p_scb->at_cb.p_user = p_scb;
|
|
p_scb->at_cb.cmd_max_len = BTA_AG_CMD_MAX;
|
|
bta_ag_at_init(&p_scb->at_cb);
|
|
|
|
bta_sys_conn_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
|
|
bta_ag_cback_open(p_scb, p_scb->peer_addr, BTA_AG_SUCCESS);
|
|
|
|
if (p_scb->conn_service == BTA_AG_HFP) {
|
|
/* if hfp start timer for service level conn */
|
|
bta_sys_start_timer(p_scb->ring_timer, p_bta_ag_cfg->conn_tout,
|
|
BTA_AG_SVC_TIMEOUT_EVT, bta_ag_scb_to_idx(p_scb));
|
|
} else {
|
|
/* else service level conn is open */
|
|
bta_ag_svc_conn_open(p_scb, data);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_ag_rfc_acp_open
|
|
*
|
|
* Description Handle RFCOMM channel open when accepting connection.
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_ag_rfc_acp_open(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
|
|
APPL_TRACE_DEBUG("%s: serv_handle0 = %d serv_handle = %d", __func__,
|
|
p_scb->serv_handle[0], p_scb->serv_handle[1]);
|
|
/* set role */
|
|
p_scb->role = BTA_AG_ACP;
|
|
|
|
/* get bd addr of peer */
|
|
uint16_t lcid = 0;
|
|
RawAddress dev_addr = RawAddress::kEmpty;
|
|
int status = PORT_CheckConnection(data.rfc.port_handle, &dev_addr, &lcid);
|
|
if (status != PORT_SUCCESS) {
|
|
LOG(ERROR) << __func__ << ", PORT_CheckConnection returned " << status;
|
|
return;
|
|
}
|
|
|
|
/* Collision Handling */
|
|
for (tBTA_AG_SCB& ag_scb : bta_ag_cb.scb) {
|
|
// Cancel any pending collision timers
|
|
if (ag_scb.in_use && alarm_is_scheduled(ag_scb.collision_timer)) {
|
|
VLOG(1) << __func__ << ": cancel collision alarm for "
|
|
<< ag_scb.peer_addr;
|
|
alarm_cancel(ag_scb.collision_timer);
|
|
if (dev_addr != ag_scb.peer_addr && p_scb != &ag_scb) {
|
|
// Resume outgoing connection if incoming is not on the same device
|
|
bta_ag_resume_open(&ag_scb);
|
|
}
|
|
}
|
|
if (dev_addr == ag_scb.peer_addr && p_scb != &ag_scb) {
|
|
VLOG(1) << __func__ << ": fail outgoing connection before accepting "
|
|
<< ag_scb.peer_addr;
|
|
// Fail the outgoing connection to clean up any upper layer states
|
|
bta_ag_rfc_fail(&ag_scb, tBTA_AG_DATA::kEmpty);
|
|
// If client port is opened, close it
|
|
if (ag_scb.conn_handle > 0) {
|
|
status = RFCOMM_RemoveConnection(ag_scb.conn_handle);
|
|
if (status != PORT_SUCCESS) {
|
|
LOG(WARNING) << __func__ << ": RFCOMM_RemoveConnection failed for "
|
|
<< dev_addr << ", handle "
|
|
<< std::to_string(ag_scb.conn_handle) << ", error "
|
|
<< status;
|
|
}
|
|
}
|
|
}
|
|
VLOG(1) << __func__ << ": dev_addr=" << dev_addr
|
|
<< ", peer_addr=" << ag_scb.peer_addr
|
|
<< ", in_use=" << ag_scb.in_use
|
|
<< ", index=" << bta_ag_scb_to_idx(p_scb);
|
|
}
|
|
|
|
p_scb->peer_addr = dev_addr;
|
|
|
|
/* determine connected service from port handle */
|
|
for (uint8_t i = 0; i < BTA_AG_NUM_IDX; i++) {
|
|
APPL_TRACE_DEBUG(
|
|
"bta_ag_rfc_acp_open: i = %d serv_handle = %d port_handle = %d", i,
|
|
p_scb->serv_handle[i], data.rfc.port_handle);
|
|
|
|
if (p_scb->serv_handle[i] == data.rfc.port_handle) {
|
|
p_scb->conn_service = i;
|
|
p_scb->conn_handle = data.rfc.port_handle;
|
|
break;
|
|
}
|
|
}
|
|
|
|
APPL_TRACE_DEBUG("bta_ag_rfc_acp_open: conn_service = %d conn_handle = %d",
|
|
p_scb->conn_service, p_scb->conn_handle);
|
|
|
|
/* close any unopened server */
|
|
bta_ag_close_servers(
|
|
p_scb, (p_scb->reg_services & ~bta_ag_svc_mask[p_scb->conn_service]));
|
|
|
|
/* do service discovery to get features */
|
|
bta_ag_do_disc(p_scb, bta_ag_svc_mask[p_scb->conn_service]);
|
|
|
|
/* continue with common open processing */
|
|
bta_ag_rfc_open(p_scb, data);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_ag_rfc_data
|
|
*
|
|
* Description Read and process data from RFCOMM.
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_ag_rfc_data(tBTA_AG_SCB* p_scb, UNUSED_ATTR const tBTA_AG_DATA& data) {
|
|
uint16_t len;
|
|
char buf[BTA_AG_RFC_READ_MAX] = "";
|
|
|
|
APPL_TRACE_DEBUG("%s", __func__);
|
|
|
|
/* do the following */
|
|
for (;;) {
|
|
/* read data from rfcomm; if bad status, we're done */
|
|
if (PORT_ReadData(p_scb->conn_handle, buf, BTA_AG_RFC_READ_MAX, &len) !=
|
|
PORT_SUCCESS) {
|
|
LOG(ERROR) << __func__ << ": failed to read data " << p_scb->peer_addr;
|
|
break;
|
|
}
|
|
|
|
/* if no data, we're done */
|
|
if (len == 0) {
|
|
LOG(WARNING) << __func__ << ": no data for " << p_scb->peer_addr;
|
|
break;
|
|
}
|
|
|
|
/* run AT command interpreter on data */
|
|
bta_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
bta_ag_at_parse(&p_scb->at_cb, buf, len);
|
|
if ((p_scb->sco_idx != BTM_INVALID_SCO_INDEX) &&
|
|
bta_ag_sco_is_open(p_scb)) {
|
|
APPL_TRACE_DEBUG("%s change link policy for SCO", __func__);
|
|
bta_sys_sco_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
} else {
|
|
bta_sys_idle(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
}
|
|
|
|
/* no more data to read, we're done */
|
|
if (len < BTA_AG_RFC_READ_MAX) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_ag_start_close
|
|
*
|
|
* Description Start the process of closing SCO and RFCOMM connection.
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_ag_start_close(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
|
|
/* Take the link out of sniff and set L2C idle time to 0 */
|
|
bta_dm_pm_active(p_scb->peer_addr);
|
|
L2CA_SetIdleTimeoutByBdAddr(p_scb->peer_addr, 0, BT_TRANSPORT_BR_EDR);
|
|
|
|
/* if SCO is open close SCO and wait on RFCOMM close */
|
|
if (bta_ag_sco_is_open(p_scb)) {
|
|
p_scb->post_sco = BTA_AG_POST_SCO_CLOSE_RFC;
|
|
} else {
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
bta_ag_rfc_do_close(p_scb, data);
|
|
}
|
|
|
|
/* always do SCO shutdown to handle all SCO corner cases */
|
|
bta_ag_sco_shutdown(p_scb, data);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_ag_post_sco_open
|
|
*
|
|
* Description Perform post-SCO open action, if any
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_ag_post_sco_open(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
|
|
switch (p_scb->post_sco) {
|
|
case BTA_AG_POST_SCO_RING:
|
|
bta_ag_send_ring(p_scb, data);
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
break;
|
|
|
|
case BTA_AG_POST_SCO_CALL_CONN:
|
|
bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES);
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_ag_post_sco_close
|
|
*
|
|
* Description Perform post-SCO close action, if any
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_ag_post_sco_close(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
|
|
switch (p_scb->post_sco) {
|
|
case BTA_AG_POST_SCO_CLOSE_RFC:
|
|
bta_ag_rfc_do_close(p_scb, data);
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
break;
|
|
|
|
case BTA_AG_POST_SCO_CALL_CONN:
|
|
bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_CONN_RES);
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
break;
|
|
|
|
case BTA_AG_POST_SCO_CALL_ORIG:
|
|
bta_ag_send_call_inds(p_scb, BTA_AG_OUT_CALL_ORIG_RES);
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
break;
|
|
|
|
case BTA_AG_POST_SCO_CALL_END:
|
|
bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES);
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
break;
|
|
|
|
case BTA_AG_POST_SCO_CALL_END_INCALL:
|
|
bta_ag_send_call_inds(p_scb, BTA_AG_END_CALL_RES);
|
|
|
|
/* Sending callsetup IND and Ring were defered to after SCO close. */
|
|
bta_ag_send_call_inds(p_scb, BTA_AG_IN_CALL_RES);
|
|
|
|
if (bta_ag_inband_enabled(p_scb) &&
|
|
!(p_scb->features & BTA_AG_FEAT_NOSCO)) {
|
|
p_scb->post_sco = BTA_AG_POST_SCO_RING;
|
|
bta_ag_sco_open(p_scb, data);
|
|
} else {
|
|
p_scb->post_sco = BTA_AG_POST_SCO_NONE;
|
|
bta_ag_send_ring(p_scb, data);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_ag_svc_conn_open
|
|
*
|
|
* Description Service level connection opened
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_ag_svc_conn_open(tBTA_AG_SCB* p_scb,
|
|
UNUSED_ATTR const tBTA_AG_DATA& data) {
|
|
tBTA_AG_CONN evt = {};
|
|
|
|
if (!p_scb->svc_conn) {
|
|
/* set state variable */
|
|
p_scb->svc_conn = true;
|
|
|
|
/* Clear AT+BIA mask from previous SLC if any. */
|
|
p_scb->bia_masked_out = 0;
|
|
|
|
alarm_cancel(p_scb->ring_timer);
|
|
|
|
/* call callback */
|
|
evt.hdr.handle = bta_ag_scb_to_idx(p_scb);
|
|
evt.hdr.app_id = p_scb->app_id;
|
|
evt.peer_feat = p_scb->peer_features;
|
|
evt.bd_addr = p_scb->peer_addr;
|
|
evt.peer_codec = p_scb->peer_codecs;
|
|
|
|
if ((p_scb->call_ind != BTA_AG_CALL_INACTIVE) ||
|
|
(p_scb->callsetup_ind != BTA_AG_CALLSETUP_NONE)) {
|
|
bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
}
|
|
if (bta_ag_get_active_device().IsEmpty()) {
|
|
bta_ag_api_set_active_device(p_scb->peer_addr);
|
|
}
|
|
(*bta_ag_cb.p_cback)(BTA_AG_CONN_EVT, (tBTA_AG*)&evt);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Function bta_ag_setcodec
|
|
*
|
|
* Description Handle API SetCodec
|
|
*
|
|
*
|
|
* Returns void
|
|
*
|
|
******************************************************************************/
|
|
void bta_ag_setcodec(tBTA_AG_SCB* p_scb, const tBTA_AG_DATA& data) {
|
|
tBTA_AG_PEER_CODEC codec_type = data.api_setcodec.codec;
|
|
tBTA_AG_VAL val = {};
|
|
val.hdr.handle = bta_ag_scb_to_idx(p_scb);
|
|
|
|
/* Check if the requested codec type is valid */
|
|
if ((codec_type != BTA_AG_CODEC_NONE) && (codec_type != BTA_AG_CODEC_CVSD) &&
|
|
(codec_type != BTA_AG_CODEC_MSBC)) {
|
|
val.num = codec_type;
|
|
val.hdr.status = BTA_AG_FAIL_RESOURCES;
|
|
APPL_TRACE_ERROR("bta_ag_setcodec error: unsupported codec type %d",
|
|
codec_type);
|
|
(*bta_ag_cb.p_cback)(BTA_AG_WBS_EVT, (tBTA_AG*)&val);
|
|
return;
|
|
}
|
|
|
|
if ((p_scb->peer_codecs & codec_type) || (codec_type == BTA_AG_CODEC_NONE) ||
|
|
(codec_type == BTA_AG_CODEC_CVSD)) {
|
|
p_scb->sco_codec = codec_type;
|
|
p_scb->codec_updated = true;
|
|
val.num = codec_type;
|
|
val.hdr.status = BTA_AG_SUCCESS;
|
|
APPL_TRACE_DEBUG("bta_ag_setcodec: Updated codec type %d", codec_type);
|
|
} else {
|
|
val.num = codec_type;
|
|
val.hdr.status = BTA_AG_FAIL_RESOURCES;
|
|
APPL_TRACE_ERROR("bta_ag_setcodec error: unsupported codec type %d",
|
|
codec_type);
|
|
}
|
|
|
|
(*bta_ag_cb.p_cback)(BTA_AG_WBS_EVT, (tBTA_AG*)&val);
|
|
}
|
|
|
|
static void bta_ag_collision_timer_cback(void* data) {
|
|
if (data == nullptr) {
|
|
LOG(ERROR) << __func__ << ": data should never be null in a timer callback";
|
|
return;
|
|
}
|
|
/* If the peer haven't opened AG connection */
|
|
/* we will restart opening process. */
|
|
bta_ag_resume_open(static_cast<tBTA_AG_SCB*>(data));
|
|
}
|
|
|
|
void bta_ag_handle_collision(tBTA_AG_SCB* p_scb,
|
|
UNUSED_ATTR const tBTA_AG_DATA& data) {
|
|
/* Cancel SDP if it had been started. */
|
|
if (p_scb->p_disc_db) {
|
|
SDP_CancelServiceSearch(p_scb->p_disc_db);
|
|
bta_ag_free_db(p_scb, tBTA_AG_DATA::kEmpty);
|
|
}
|
|
|
|
/* reopen registered servers */
|
|
/* Collision may be detected before or after we close servers. */
|
|
if (bta_ag_is_server_closed(p_scb)) {
|
|
bta_ag_start_servers(p_scb, p_scb->reg_services);
|
|
}
|
|
|
|
/* Start timer to han */
|
|
alarm_set_on_mloop(p_scb->collision_timer, BTA_AG_COLLISION_TIMEOUT_MS,
|
|
bta_ag_collision_timer_cback, p_scb);
|
|
}
|