unplugged-vendor/system/bt/mediatek/stack/sdp/mtk_sdp_utils.cc

163 lines
6.4 KiB
C++

/* Copyright Statement:
* *
* * This software/firmware and related documentation ("MediaTek Software") are
* * protected under relevant copyright laws. The information contained herein
* * is confidential and proprietary to MediaTek Inc. and/or its licensors.
* * Without the prior written permission of MediaTek inc. and/or its licensors,
* * any reproduction, modification, use or disclosure of MediaTek Software,
* * and information contained herein, in whole or in part, shall be strictly prohibited.
* *
* * MediaTek Inc. (C) 2016. All rights reserved.
* *
* * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
* * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
* *
* * The following software/firmware and/or related documentation ("MediaTek Software")
* * have been modified by MediaTek Inc. All revisions are subject to any receiver's
* * applicable license agreements with MediaTek Inc.
* */
#include "stack/sdp/sdpint.h"
#include "stack/include/sdp_api.h"
#include "stack/include/l2c_api.h"
/*******************************************************************************
*
* Function sdpu_get_active_ccb_cid
*
* Description This function checks if any sdp connecting is there for
* same remote and returns cid if its available
*
* BD_ADDR : Remote address
*
* Returns returns cid if any active sdp connection,else '0'.
*
*******************************************************************************/
uint16_t sdpu_get_active_ccb_cid(RawAddress remote_bd_addr) {
uint16_t xx;
tCONN_CB* p_ccb;
/* Look through each connection control block for active sdp on given remote */
for (xx = 0, p_ccb = sdp_cb.ccb; xx < SDP_MAX_CONNECTIONS; xx++, p_ccb++) {
if ((p_ccb->con_state == SDP_STATE_CONN_SETUP) ||
(p_ccb->con_state == SDP_STATE_CFG_SETUP) ||
(p_ccb->con_state == SDP_STATE_CONNECTED)) {
if ((p_ccb->device_address == remote_bd_addr) &&
(p_ccb->con_flags & SDP_FLAGS_IS_ORIG))
return (p_ccb->connection_id);
}
}
/* If here, no active sdp channel for this remote */
return (0);
}
/*******************************************************************************
*
* Function sdpu_process_pend_ccb
*
* Description This function process if any sdp ccb pending for connection
*
* uint16_t : Remote CID
*
* Returns returns true if any pending ccb ,else false.
*
******************************************************************************/
bool sdpu_process_pend_ccb(uint16_t cid, bool use_cur_chnl) {
uint16_t xx;
tCONN_CB* p_ccb;
uint16_t new_cid;
bool new_conn = false;
SDP_TRACE_EVENT("sdpu_process_pend_ccb, cid: 0x%x, use_cur_chnl: %d", cid, use_cur_chnl);
if (use_cur_chnl) {
/* Look through each connection control block for active sdp on given remote */
for (xx = 0, p_ccb = sdp_cb.ccb; xx < SDP_MAX_CONNECTIONS; xx++, p_ccb++) {
if ((p_ccb->con_state == SDP_STATE_CONN_PEND) &&
(p_ccb->connection_id == cid) &&
(p_ccb->con_flags & SDP_FLAGS_IS_ORIG)) {
p_ccb->con_state = SDP_STATE_CONNECTED;
sdp_disc_connected(p_ccb);
return (true);
}
}
/* If here, no pending sdp channel for this remote */
return (false);
} else {
for (xx = 0, p_ccb = sdp_cb.ccb; xx < SDP_MAX_CONNECTIONS; xx++, p_ccb++) {
if ((p_ccb->con_state == SDP_STATE_CONN_PEND) &&
(p_ccb->connection_id == cid) &&
(p_ccb->con_flags & SDP_FLAGS_IS_ORIG)) {
if (!new_conn) {
p_ccb->con_state = SDP_STATE_CONN_SETUP;
new_cid = L2CA_ConnectReq(BT_PSM_SDP, p_ccb->device_address);
new_conn = true;
}
/* Check if L2CAP started the connection process */
if (new_cid != 0)
p_ccb->connection_id = new_cid;
else {
/* Tell the user if he has a callback */
if (p_ccb->p_cb)
(*p_ccb->p_cb)(SDP_CONN_FAILED);
else if (p_ccb->p_cb2)
(*p_ccb->p_cb2)(SDP_CONN_FAILED, p_ccb->user_data);
sdpu_release_ccb(p_ccb);
}
}
}
return (new_conn && new_cid);
}
}
/*******************************************************************************
*
* Function sdpu_clear_pend_ccb
*
* Description This function releases if any sdp ccb pending for connection
*
* uint16_t : Remote CID
*
* Returns returns none.
*
******************************************************************************/
void sdpu_clear_pend_ccb(uint16_t cid) {
uint16_t xx;
tCONN_CB* p_ccb;
/* Look through each connection control block for active sdp on given remote */
for (xx = 0, p_ccb = sdp_cb.ccb; xx < SDP_MAX_CONNECTIONS; xx++, p_ccb++) {
if ((p_ccb->con_state == SDP_STATE_CONN_PEND) &&
(p_ccb->connection_id == cid) &&
(p_ccb->con_flags & SDP_FLAGS_IS_ORIG)) {
/* Tell the user if he has a callback */
if (p_ccb->p_cb)
(*p_ccb->p_cb)(SDP_CONN_FAILED);
else if (p_ccb->p_cb2)
(*p_ccb->p_cb2)(SDP_CONN_FAILED, p_ccb->user_data);
sdpu_release_ccb(p_ccb);
}
}
return;
}