246 lines
8.8 KiB
C
246 lines
8.8 KiB
C
/******************************************************************************
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*
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* Copyright (c) 2014 The Android Open Source Project
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* Copyright (C) 2004-2012 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 the audio gateway functions controlling the RFCOMM
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* connections.
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*
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******************************************************************************/
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#include <string.h>
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#include "common/bt_defs.h"
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#include "bta/bta_api.h"
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#include "bta_hf_client_int.h"
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#include "stack/port_api.h"
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#include "osi/allocator.h"
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#if (BTA_HF_INCLUDED == TRUE)
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/*******************************************************************************
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**
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** Function bta_hf_client_port_cback
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**
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** Description RFCOMM Port callback
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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_hf_client_port_cback(UINT32 code, UINT16 port_handle)
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{
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BT_HDR *p_buf;
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UNUSED(code);
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/* ignore port events for port handles other than connected handle */
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if (port_handle != bta_hf_client_cb.scb.conn_handle) {
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APPL_TRACE_DEBUG("bta_hf_client_port_cback ignoring handle:%d conn_handle = %d",
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port_handle, bta_hf_client_cb.scb.conn_handle);
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return;
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}
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if ((p_buf = (BT_HDR *) osi_malloc(sizeof(BT_HDR))) != NULL) {
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p_buf->event = BTA_HF_CLIENT_RFC_DATA_EVT;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function bta_hf_client_mgmt_cback
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**
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** Description RFCOMM management callback
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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_hf_client_mgmt_cback(UINT32 code, UINT16 port_handle)
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{
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tBTA_HF_CLIENT_RFC *p_buf;
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UINT16 event;
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APPL_TRACE_DEBUG("bta_hf_client_mgmt_cback : code = %d, port_handle = %d, conn_handle = %d, serv_handle = %d",
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code, port_handle, bta_hf_client_cb.scb.conn_handle, bta_hf_client_cb.scb.serv_handle);
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/* ignore close event for port handles other than connected handle */
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if ((code != PORT_SUCCESS) && (port_handle != bta_hf_client_cb.scb.conn_handle)) {
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APPL_TRACE_DEBUG("bta_hf_client_mgmt_cback ignoring handle:%d", port_handle);
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return;
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}
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if (code == PORT_SUCCESS) {
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if ((bta_hf_client_cb.scb.conn_handle && (port_handle == bta_hf_client_cb.scb.conn_handle)) || /* outgoing connection */
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(port_handle == bta_hf_client_cb.scb.serv_handle)) { /* incoming connection */
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event = BTA_HF_CLIENT_RFC_OPEN_EVT;
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} else {
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APPL_TRACE_ERROR ("bta_hf_client_mgmt_cback: PORT_SUCCESS, ignoring handle = %d", port_handle);
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return;
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}
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}
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/* distinguish server close events */
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else if (port_handle == bta_hf_client_cb.scb.conn_handle) {
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event = BTA_HF_CLIENT_RFC_CLOSE_EVT;
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} else {
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event = BTA_HF_CLIENT_RFC_SRV_CLOSE_EVT;
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}
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if ((p_buf = (tBTA_HF_CLIENT_RFC *) osi_malloc(sizeof(tBTA_HF_CLIENT_RFC))) != NULL) {
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p_buf->hdr.event = event;
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p_buf->port_handle = port_handle;
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bta_sys_sendmsg(p_buf);
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}
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}
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/*******************************************************************************
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**
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** Function bta_hf_client_setup_port
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**
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** Description Setup RFCOMM port for use by HF Client.
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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_hf_client_setup_port(UINT16 handle)
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{
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PORT_SetEventMask(handle, PORT_EV_RXCHAR);
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PORT_SetEventCallback(handle, bta_hf_client_port_cback);
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}
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/*******************************************************************************
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**
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** Function bta_hf_client_start_server
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**
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** Description Setup RFCOMM server for use by HF Client.
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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_hf_client_start_server(void)
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{
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int port_status;
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if (bta_hf_client_cb.scb.serv_handle > 0) {
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APPL_TRACE_DEBUG("%s already started, handle: %d", __FUNCTION__, bta_hf_client_cb.scb.serv_handle);
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return;
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}
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BTM_SetSecurityLevel(FALSE, "", BTM_SEC_SERVICE_HF_HANDSFREE, bta_hf_client_cb.scb.serv_sec_mask,
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BT_PSM_RFCOMM, BTM_SEC_PROTO_RFCOMM, bta_hf_client_cb.scn);
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port_status = RFCOMM_CreateConnection(UUID_SERVCLASS_HF_HANDSFREE, bta_hf_client_cb.scn,
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TRUE, BTA_HF_CLIENT_MTU, (UINT8 *) bd_addr_any, &(bta_hf_client_cb.scb.serv_handle),
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bta_hf_client_mgmt_cback);
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if (port_status == PORT_SUCCESS) {
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bta_hf_client_setup_port(bta_hf_client_cb.scb.serv_handle);
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} else {
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/* TODO: can we handle this better? */
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APPL_TRACE_DEBUG("bta_hf_client_start_server: RFCOMM_CreateConnection returned error:%d", port_status);
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}
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APPL_TRACE_DEBUG("bta_hf_client_start_server handle: %d", bta_hf_client_cb.scb.serv_handle);
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}
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/*******************************************************************************
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**
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** Function bta_hf_client_close_server
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**
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** Description Close RFCOMM server port for use by HF Client.
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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_hf_client_close_server(void)
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{
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APPL_TRACE_DEBUG("%s %d", __FUNCTION__, bta_hf_client_cb.scb.serv_handle);
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if (bta_hf_client_cb.scb.serv_handle == 0) {
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APPL_TRACE_DEBUG("%s already stopped", __FUNCTION__);
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return;
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}
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RFCOMM_RemoveServer(bta_hf_client_cb.scb.serv_handle);
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bta_hf_client_cb.scb.serv_handle = 0;
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}
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/*******************************************************************************
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**
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** Function bta_hf_client_rfc_do_open
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**
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** Description Open an RFCOMM connection to the peer device.
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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_hf_client_rfc_do_open(tBTA_HF_CLIENT_DATA *p_data)
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{
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BTM_SetSecurityLevel(TRUE, "", BTM_SEC_SERVICE_HF_HANDSFREE,
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bta_hf_client_cb.scb.cli_sec_mask, BT_PSM_RFCOMM,
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BTM_SEC_PROTO_RFCOMM, bta_hf_client_cb.scb.peer_scn);
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if (RFCOMM_CreateConnection(UUID_SERVCLASS_HF_HANDSFREE, bta_hf_client_cb.scb.peer_scn,
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FALSE, BTA_HF_CLIENT_MTU, bta_hf_client_cb.scb.peer_addr, &(bta_hf_client_cb.scb.conn_handle),
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bta_hf_client_mgmt_cback) == PORT_SUCCESS) {
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bta_hf_client_setup_port(bta_hf_client_cb.scb.conn_handle);
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APPL_TRACE_DEBUG("bta_hf_client_rfc_do_open : conn_handle = %d", bta_hf_client_cb.scb.conn_handle);
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}
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/* RFCOMM create connection failed; send ourselves RFCOMM close event */
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else {
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bta_hf_client_sm_execute(BTA_HF_CLIENT_RFC_CLOSE_EVT, p_data);
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}
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}
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/*******************************************************************************
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**
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** Function bta_hf_client_rfc_do_close
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**
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** Description Close RFCOMM connection.
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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_hf_client_rfc_do_close(tBTA_HF_CLIENT_DATA *p_data)
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{
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tBTA_HF_CLIENT_RFC *p_buf;
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UNUSED(p_data);
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if (bta_hf_client_cb.scb.conn_handle) {
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RFCOMM_RemoveConnection(bta_hf_client_cb.scb.conn_handle);
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} else {
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/* Close API was called while HF Client is in Opening state. */
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/* Need to trigger the state machine to send callback to the app */
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/* and move back to INIT state. */
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if ((p_buf = (tBTA_HF_CLIENT_RFC *) osi_malloc(sizeof(tBTA_HF_CLIENT_RFC))) != NULL) {
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p_buf->hdr.event = BTA_HF_CLIENT_RFC_CLOSE_EVT;
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bta_sys_sendmsg(p_buf);
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}
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/* Cancel SDP if it had been started. */
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if (bta_hf_client_cb.scb.p_disc_db) {
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(void)SDP_CancelServiceSearch (bta_hf_client_cb.scb.p_disc_db);
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bta_hf_client_free_db(NULL);
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}
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}
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}
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#endif /* #if (BTA_HF_INCLUDED == TRUE) */
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