/******************************************************************************
*
* Copyright 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the main SDP functions
*
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bt_common.h"
#include "bt_target.h"
#include "bt_utils.h"
#include "hcidefs.h"
#include "hcimsgs.h"
#include "l2c_api.h"
#include "l2cdefs.h"
#include "osi/include/osi.h"
#include "btm_api.h"
#include "btu.h"
#include "sdp_api.h"
#include "sdpint.h"
/******************************************************************************/
/* G L O B A L S D P D A T A */
/******************************************************************************/
tSDP_CB sdp_cb;
/******************************************************************************/
/* L O C A L F U N C T I O N P R O T O T Y P E S */
/******************************************************************************/
static void sdp_connect_ind(const RawAddress& bd_addr, uint16_t l2cap_cid,
UNUSED_ATTR uint16_t psm, uint8_t l2cap_id);
static void sdp_config_ind(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg);
static void sdp_config_cfm(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg);
static void sdp_disconnect_ind(uint16_t l2cap_cid, bool ack_needed);
static void sdp_data_ind(uint16_t l2cap_cid, BT_HDR* p_msg);
static void sdp_connect_cfm(uint16_t l2cap_cid, uint16_t result);
static void sdp_disconnect_cfm(uint16_t l2cap_cid, uint16_t result);
/*******************************************************************************
*
* Function sdp_init
*
* Description This function initializes the SDP unit.
*
* Returns void
*
******************************************************************************/
void sdp_init(void) {
/* Clears all structures and local SDP database (if Server is enabled) */
memset(&sdp_cb, 0, sizeof(tSDP_CB));
for (int i = 0; i < SDP_MAX_CONNECTIONS; i++) {
sdp_cb.ccb[i].sdp_conn_timer = alarm_new("sdp.sdp_conn_timer");
}
/* Initialize the L2CAP configuration. We only care about MTU and flush */
sdp_cb.l2cap_my_cfg.mtu_present = true;
sdp_cb.l2cap_my_cfg.mtu = SDP_MTU_SIZE;
sdp_cb.l2cap_my_cfg.flush_to_present = true;
sdp_cb.l2cap_my_cfg.flush_to = SDP_FLUSH_TO;
sdp_cb.max_attr_list_size = SDP_MTU_SIZE - 16;
sdp_cb.max_recs_per_search = SDP_MAX_DISC_SERVER_RECS;
#if (SDP_SERVER_ENABLED == TRUE)
/* Register with Security Manager for the specific security level */
if (!BTM_SetSecurityLevel(false, SDP_SERVICE_NAME, BTM_SEC_SERVICE_SDP_SERVER,
SDP_SECURITY_LEVEL, SDP_PSM, 0, 0)) {
SDP_TRACE_ERROR("Security Registration Server failed");
return;
}
#endif
/* Register with Security Manager for the specific security level */
if (!BTM_SetSecurityLevel(true, SDP_SERVICE_NAME, BTM_SEC_SERVICE_SDP_SERVER,
SDP_SECURITY_LEVEL, SDP_PSM, 0, 0)) {
SDP_TRACE_ERROR("Security Registration for Client failed");
return;
}
#if defined(SDP_INITIAL_TRACE_LEVEL)
sdp_cb.trace_level = SDP_INITIAL_TRACE_LEVEL;
#else
sdp_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */
#endif
sdp_cb.reg_info.pL2CA_ConnectInd_Cb = sdp_connect_ind;
sdp_cb.reg_info.pL2CA_ConnectCfm_Cb = sdp_connect_cfm;
sdp_cb.reg_info.pL2CA_ConnectPnd_Cb = NULL;
sdp_cb.reg_info.pL2CA_ConfigInd_Cb = sdp_config_ind;
sdp_cb.reg_info.pL2CA_ConfigCfm_Cb = sdp_config_cfm;
sdp_cb.reg_info.pL2CA_DisconnectInd_Cb = sdp_disconnect_ind;
sdp_cb.reg_info.pL2CA_DisconnectCfm_Cb = sdp_disconnect_cfm;
sdp_cb.reg_info.pL2CA_QoSViolationInd_Cb = NULL;
sdp_cb.reg_info.pL2CA_DataInd_Cb = sdp_data_ind;
sdp_cb.reg_info.pL2CA_CongestionStatus_Cb = NULL;
sdp_cb.reg_info.pL2CA_TxComplete_Cb = NULL;
/* Now, register with L2CAP */
if (!L2CA_Register(SDP_PSM, &sdp_cb.reg_info)) {
SDP_TRACE_ERROR("SDP Registration failed");
}
}
void sdp_free(void) {
for (int i = 0; i < SDP_MAX_CONNECTIONS; i++) {
alarm_free(sdp_cb.ccb[i].sdp_conn_timer);
sdp_cb.ccb[i].sdp_conn_timer = NULL;
}
}
#if (SDP_DEBUG == TRUE)
/*******************************************************************************
*
* Function sdp_set_max_attr_list_size
*
* Description This function sets the max attribute list size to use
*
* Returns void
*
******************************************************************************/
uint16_t sdp_set_max_attr_list_size(uint16_t max_size) {
if (max_size > (sdp_cb.l2cap_my_cfg.mtu - 16))
max_size = sdp_cb.l2cap_my_cfg.mtu - 16;
sdp_cb.max_attr_list_size = max_size;
return sdp_cb.max_attr_list_size;
}
#endif
/*******************************************************************************
*
* Function sdp_connect_ind
*
* Description This function handles an inbound connection indication
* from L2CAP. This is the case where we are acting as a
* server.
*
* Returns void
*
******************************************************************************/
static void sdp_connect_ind(const RawAddress& bd_addr, uint16_t l2cap_cid,
UNUSED_ATTR uint16_t psm, uint8_t l2cap_id) {
#if (SDP_SERVER_ENABLED == TRUE)
tCONN_CB* p_ccb;
/* Allocate a new CCB. Return if none available. */
p_ccb = sdpu_allocate_ccb();
if (p_ccb == NULL) return;
/* Transition to the next appropriate state, waiting for config setup. */
p_ccb->con_state = SDP_STATE_CFG_SETUP;
/* Save the BD Address and Channel ID. */
p_ccb->device_address = bd_addr;
p_ccb->connection_id = l2cap_cid;
/* Send response to the L2CAP layer. */
L2CA_ConnectRsp(bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_OK, L2CAP_CONN_OK);
{
tL2CAP_CFG_INFO cfg = sdp_cb.l2cap_my_cfg;
if (cfg.fcr_present) {
SDP_TRACE_DEBUG(
"sdp_connect_ind: mode %u, txwinsz %u, max_trans %u, rtrans_tout "
"%u, mon_tout %u, mps %u",
cfg.fcr.mode, cfg.fcr.tx_win_sz, cfg.fcr.max_transmit,
cfg.fcr.rtrans_tout, cfg.fcr.mon_tout, cfg.fcr.mps);
}
if ((!L2CA_ConfigReq(l2cap_cid, &cfg)) && cfg.fcr_present &&
cfg.fcr.mode != L2CAP_FCR_BASIC_MODE) {
/* FCR not desired; try again in basic mode */
cfg.fcr.mode = L2CAP_FCR_BASIC_MODE;
cfg.fcr_present = false;
L2CA_ConfigReq(l2cap_cid, &cfg);
}
}
SDP_TRACE_EVENT("SDP - Rcvd L2CAP conn ind, sent config req, CID 0x%x",
p_ccb->connection_id);
#else /* No server */
/* Reject the connection */
L2CA_ConnectRsp(bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_NO_PSM, 0);
#endif
}
/*******************************************************************************
*
* Function sdp_connect_cfm
*
* Description This function handles the connect confirm events
* from L2CAP. This is the case when we are acting as a
* client and have sent a connect request.
*
* Returns void
*
******************************************************************************/
static void sdp_connect_cfm(uint16_t l2cap_cid, uint16_t result) {
tCONN_CB* p_ccb;
tL2CAP_CFG_INFO cfg;
/* Find CCB based on CID */
p_ccb = sdpu_find_ccb_by_cid(l2cap_cid);
if (p_ccb == NULL) {
SDP_TRACE_WARNING("SDP - Rcvd conn cnf for unknown CID 0x%x", l2cap_cid);
return;
}
/* If the connection response contains success status, then */
/* Transition to the next state and startup the timer. */
if ((result == L2CAP_CONN_OK) && (p_ccb->con_state == SDP_STATE_CONN_SETUP)) {
p_ccb->con_state = SDP_STATE_CFG_SETUP;
cfg = sdp_cb.l2cap_my_cfg;
if (cfg.fcr_present) {
SDP_TRACE_DEBUG(
"sdp_connect_cfm: mode %u, txwinsz %u, max_trans %u, rtrans_tout "
"%u, mon_tout %u, mps %u",
cfg.fcr.mode, cfg.fcr.tx_win_sz, cfg.fcr.max_transmit,
cfg.fcr.rtrans_tout, cfg.fcr.mon_tout, cfg.fcr.mps);
}
if ((!L2CA_ConfigReq(l2cap_cid, &cfg)) && cfg.fcr_present &&
cfg.fcr.mode != L2CAP_FCR_BASIC_MODE) {
/* FCR not desired; try again in basic mode */
cfg.fcr_present = false;
cfg.fcr.mode = L2CAP_FCR_BASIC_MODE;
L2CA_ConfigReq(l2cap_cid, &cfg);
}
SDP_TRACE_EVENT("SDP - got conn cnf, sent cfg req, CID: 0x%x",
p_ccb->connection_id);
} else {
SDP_TRACE_WARNING("SDP - Rcvd conn cnf with error: 0x%x CID 0x%x", result,
p_ccb->connection_id);
/* Tell the user if he has a callback */
if (p_ccb->p_cb || p_ccb->p_cb2) {
uint16_t err = -1;
if ((result == HCI_ERR_HOST_REJECT_SECURITY) ||
(result == HCI_ERR_AUTH_FAILURE) ||
(result == HCI_ERR_PAIRING_NOT_ALLOWED) ||
(result == HCI_ERR_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED) ||
(result == HCI_ERR_KEY_MISSING))
err = SDP_SECURITY_ERR;
else if (result == HCI_ERR_HOST_REJECT_DEVICE)
err = SDP_CONN_REJECTED;
else
err = SDP_CONN_FAILED;
if (p_ccb->p_cb)
(*p_ccb->p_cb)(err);
else if (p_ccb->p_cb2)
(*p_ccb->p_cb2)(err, p_ccb->user_data);
}
sdpu_release_ccb(p_ccb);
}
}
/*******************************************************************************
*
* Function sdp_config_ind
*
* Description This function processes the L2CAP configuration indication
* event.
*
* Returns void
*
******************************************************************************/
static void sdp_config_ind(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg) {
tCONN_CB* p_ccb;
/* Find CCB based on CID */
p_ccb = sdpu_find_ccb_by_cid(l2cap_cid);
if (p_ccb == NULL) {
SDP_TRACE_WARNING("SDP - Rcvd L2CAP cfg ind, unknown CID: 0x%x", l2cap_cid);
return;
}
/* Remember the remote MTU size */
if (!p_cfg->mtu_present) {
/* use min(L2CAP_DEFAULT_MTU,SDP_MTU_SIZE) for GKI buffer size reasons */
p_ccb->rem_mtu_size =
(L2CAP_DEFAULT_MTU > SDP_MTU_SIZE) ? SDP_MTU_SIZE : L2CAP_DEFAULT_MTU;
} else {
if (p_cfg->mtu > SDP_MTU_SIZE)
p_ccb->rem_mtu_size = SDP_MTU_SIZE;
else
p_ccb->rem_mtu_size = p_cfg->mtu;
}
/* For now, always accept configuration from the other side */
p_cfg->flush_to_present = false;
p_cfg->mtu_present = false;
p_cfg->result = L2CAP_CFG_OK;
/* Check peer config request against our rfcomm configuration */
if (p_cfg->fcr_present) {
/* Reject the window size if it is bigger than we want it to be */
if (p_cfg->fcr.mode != L2CAP_FCR_BASIC_MODE) {
if (sdp_cb.l2cap_my_cfg.fcr.mode != L2CAP_FCR_BASIC_MODE &&
p_cfg->fcr.tx_win_sz > sdp_cb.l2cap_my_cfg.fcr.tx_win_sz) {
p_cfg->fcr.tx_win_sz = sdp_cb.l2cap_my_cfg.fcr.tx_win_sz;
p_cfg->result = L2CAP_CFG_UNACCEPTABLE_PARAMS;
SDP_TRACE_DEBUG(
"sdp_config_ind(CONFIG) -> Please try again with SMALLER TX "
"WINDOW");
}
/* Reject if locally we want basic and they don't */
if (sdp_cb.l2cap_my_cfg.fcr.mode == L2CAP_FCR_BASIC_MODE) {
/* Ask for a new setup */
p_cfg->fcr.mode = L2CAP_FCR_BASIC_MODE;
p_cfg->result = L2CAP_CFG_UNACCEPTABLE_PARAMS;
SDP_TRACE_DEBUG(
"sdp_config_ind(CONFIG) -> Please try again with BASIC mode");
}
/* Remain in configure state and give the peer our desired configuration
*/
if (p_cfg->result != L2CAP_CFG_OK) {
SDP_TRACE_WARNING(
"SDP - Rcvd cfg ind, Unacceptable Parameters sent cfg cfm, CID: "
"0x%x",
l2cap_cid);
L2CA_ConfigRsp(l2cap_cid, p_cfg);
return;
}
} else /* We agree with peer's request */
p_cfg->fcr_present = false;
}
L2CA_ConfigRsp(l2cap_cid, p_cfg);
SDP_TRACE_EVENT("SDP - Rcvd cfg ind, sent cfg cfm, CID: 0x%x", l2cap_cid);
p_ccb->con_flags |= SDP_FLAGS_HIS_CFG_DONE;
if (p_ccb->con_flags & SDP_FLAGS_MY_CFG_DONE) {
p_ccb->con_state = SDP_STATE_CONNECTED;
if (p_ccb->con_flags & SDP_FLAGS_IS_ORIG) {
sdp_disc_connected(p_ccb);
} else {
/* Start inactivity timer */
alarm_set_on_mloop(p_ccb->sdp_conn_timer, SDP_INACT_TIMEOUT_MS,
sdp_conn_timer_timeout, p_ccb);
}
}
}
/*******************************************************************************
*
* Function sdp_config_cfm
*
* Description This function processes the L2CAP configuration confirmation
* event.
*
* Returns void
*
******************************************************************************/
static void sdp_config_cfm(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg) {
tCONN_CB* p_ccb;
SDP_TRACE_EVENT("SDP - Rcvd cfg cfm, CID: 0x%x Result: %d", l2cap_cid,
p_cfg->result);
/* Find CCB based on CID */
p_ccb = sdpu_find_ccb_by_cid(l2cap_cid);
if (p_ccb == NULL) {
SDP_TRACE_WARNING("SDP - Rcvd L2CAP cfg ind, unknown CID: 0x%x", l2cap_cid);
return;
}
/* For now, always accept configuration from the other side */
if (p_cfg->result == L2CAP_CFG_OK) {
p_ccb->con_flags |= SDP_FLAGS_MY_CFG_DONE;
if (p_ccb->con_flags & SDP_FLAGS_HIS_CFG_DONE) {
p_ccb->con_state = SDP_STATE_CONNECTED;
if (p_ccb->con_flags & SDP_FLAGS_IS_ORIG) {
sdp_disc_connected(p_ccb);
} else {
/* Start inactivity timer */
alarm_set_on_mloop(p_ccb->sdp_conn_timer, SDP_INACT_TIMEOUT_MS,
sdp_conn_timer_timeout, p_ccb);
}
}
} else {
/* If peer has rejected FCR and suggested basic then try basic */
if (p_cfg->fcr_present) {
tL2CAP_CFG_INFO cfg = sdp_cb.l2cap_my_cfg;
cfg.fcr_present = false;
L2CA_ConfigReq(l2cap_cid, &cfg);
/* Remain in configure state */
return;
}
sdp_disconnect(p_ccb, SDP_CFG_FAILED);
}
}
/*******************************************************************************
*
* Function sdp_disconnect_ind
*
* Description This function handles a disconnect event from L2CAP. If
* requested to, we ack the disconnect before dropping the CCB
*
* Returns void
*
******************************************************************************/
static void sdp_disconnect_ind(uint16_t l2cap_cid, bool ack_needed) {
tCONN_CB* p_ccb;
/* Find CCB based on CID */
p_ccb = sdpu_find_ccb_by_cid(l2cap_cid);
if (p_ccb == NULL) {
SDP_TRACE_WARNING("SDP - Rcvd L2CAP disc, unknown CID: 0x%x", l2cap_cid);
return;
}
if (ack_needed) L2CA_DisconnectRsp(l2cap_cid);
SDP_TRACE_EVENT("SDP - Rcvd L2CAP disc, CID: 0x%x", l2cap_cid);
/* Tell the user if he has a callback */
if (p_ccb->p_cb)
(*p_ccb->p_cb)((uint16_t)((p_ccb->con_state == SDP_STATE_CONNECTED)
? SDP_SUCCESS
: SDP_CONN_FAILED));
else if (p_ccb->p_cb2)
(*p_ccb->p_cb2)(
(uint16_t)((p_ccb->con_state == SDP_STATE_CONNECTED) ? SDP_SUCCESS
: SDP_CONN_FAILED),
p_ccb->user_data);
sdpu_release_ccb(p_ccb);
}
/*******************************************************************************
*
* Function sdp_data_ind
*
* Description This function is called when data is received from L2CAP.
* if we are the originator of the connection, we are the SDP
* client, and the received message is queued for the client.
*
* If we are the destination of the connection, we are the SDP
* server, so the message is passed to the server processing
* function.
*
* Returns void
*
******************************************************************************/
static void sdp_data_ind(uint16_t l2cap_cid, BT_HDR* p_msg) {
tCONN_CB* p_ccb;
/* Find CCB based on CID */
p_ccb = sdpu_find_ccb_by_cid(l2cap_cid);
if (p_ccb != NULL) {
if (p_ccb->con_state == SDP_STATE_CONNECTED) {
if (p_ccb->con_flags & SDP_FLAGS_IS_ORIG)
sdp_disc_server_rsp(p_ccb, p_msg);
else
sdp_server_handle_client_req(p_ccb, p_msg);
} else {
SDP_TRACE_WARNING(
"SDP - Ignored L2CAP data while in state: %d, CID: 0x%x",
p_ccb->con_state, l2cap_cid);
}
} else {
SDP_TRACE_WARNING("SDP - Rcvd L2CAP data, unknown CID: 0x%x", l2cap_cid);
}
osi_free(p_msg);
}
/*******************************************************************************
*
* Function sdp_conn_originate
*
* Description This function is called from the API to originate a
* connection.
*
* Returns void
*
******************************************************************************/
tCONN_CB* sdp_conn_originate(const RawAddress& p_bd_addr) {
tCONN_CB* p_ccb;
uint16_t cid;
/* Allocate a new CCB. Return if none available. */
p_ccb = sdpu_allocate_ccb();
if (p_ccb == NULL) {
SDP_TRACE_WARNING("%s: no spare CCB for peer %s", __func__,
p_bd_addr.ToString().c_str());
return (NULL);
}
SDP_TRACE_EVENT("%s: SDP - Originate started for peer %s", __func__,
p_bd_addr.ToString().c_str());
/* We are the originator of this connection */
p_ccb->con_flags |= SDP_FLAGS_IS_ORIG;
/* Save the BD Address and Channel ID. */
p_ccb->device_address = p_bd_addr;
/* Transition to the next appropriate state, waiting for connection confirm.
*/
p_ccb->con_state = SDP_STATE_CONN_SETUP;
cid = L2CA_ConnectReq(SDP_PSM, p_bd_addr);
/* Check if L2CAP started the connection process */
if (cid == 0) {
SDP_TRACE_WARNING("%s: SDP - Originate failed for peer %s", __func__,
p_bd_addr.ToString().c_str());
sdpu_release_ccb(p_ccb);
return (NULL);
}
p_ccb->connection_id = cid;
return (p_ccb);
}
/*******************************************************************************
*
* Function sdp_disconnect
*
* Description This function disconnects a connection.
*
* Returns void
*
******************************************************************************/
void sdp_disconnect(tCONN_CB* p_ccb, uint16_t reason) {
#if (SDP_BROWSE_PLUS == TRUE)
/* If we are browsing for multiple UUIDs ... */
if ((p_ccb->con_state == SDP_STATE_CONNECTED) &&
(p_ccb->con_flags & SDP_FLAGS_IS_ORIG) &&
((reason == SDP_SUCCESS) || (reason == SDP_NO_RECS_MATCH))) {
/* If the browse found something, do no more searching */
if ((p_ccb->cur_uuid_idx == 0) && (p_ccb->p_db->p_first_rec))
p_ccb->cur_uuid_idx = p_ccb->p_db->num_uuid_filters;
while (++p_ccb->cur_uuid_idx < p_ccb->p_db->num_uuid_filters) {
/* Check we have not already found the UUID (maybe through browse) */
if ((p_ccb->p_db->uuid_filters[p_ccb->cur_uuid_idx].len == 2) &&
(SDP_FindServiceInDb(
p_ccb->p_db,
p_ccb->p_db->uuid_filters[p_ccb->cur_uuid_idx].uu.uuid16, NULL)))
continue;
if ((p_ccb->p_db->uuid_filters[p_ccb->cur_uuid_idx].len > 2) &&
(SDP_FindServiceUUIDInDb(
p_ccb->p_db, &p_ccb->p_db->uuid_filters[p_ccb->cur_uuid_idx],
NULL)))
continue;
p_ccb->cur_handle = 0;
SDP_TRACE_EVENT("SDP - looking for for more, CID: 0x%x",
p_ccb->connection_id);
sdp_disc_connected(p_ccb);
return;
}
}
if ((reason == SDP_NO_RECS_MATCH) && (p_ccb->p_db->p_first_rec))
reason = SDP_SUCCESS;
#endif
SDP_TRACE_EVENT("SDP - disconnect CID: 0x%x", p_ccb->connection_id);
/* Check if we have a connection ID */
if (p_ccb->connection_id != 0) {
L2CA_DisconnectReq(p_ccb->connection_id);
p_ccb->disconnect_reason = reason;
}
/* If at setup state, we may not get callback ind from L2CAP */
/* Call user callback immediately */
if (p_ccb->con_state == SDP_STATE_CONN_SETUP) {
/* Tell the user if he has a callback */
if (p_ccb->p_cb)
(*p_ccb->p_cb)(reason);
else if (p_ccb->p_cb2)
(*p_ccb->p_cb2)(reason, p_ccb->user_data);
sdpu_release_ccb(p_ccb);
}
}
/*******************************************************************************
*
* Function sdp_disconnect_cfm
*
* Description This function handles a disconnect confirm event from L2CAP.
*
* Returns void
*
******************************************************************************/
static void sdp_disconnect_cfm(uint16_t l2cap_cid,
UNUSED_ATTR uint16_t result) {
tCONN_CB* p_ccb;
/* Find CCB based on CID */
p_ccb = sdpu_find_ccb_by_cid(l2cap_cid);
if (p_ccb == NULL) {
SDP_TRACE_WARNING("SDP - Rcvd L2CAP disc cfm, unknown CID: 0x%x",
l2cap_cid);
return;
}
SDP_TRACE_EVENT("SDP - Rcvd L2CAP disc cfm, CID: 0x%x", l2cap_cid);
/* Tell the user if he has a callback */
if (p_ccb->p_cb)
(*p_ccb->p_cb)(p_ccb->disconnect_reason);
else if (p_ccb->p_cb2)
(*p_ccb->p_cb2)(p_ccb->disconnect_reason, p_ccb->user_data);
sdpu_release_ccb(p_ccb);
}
/*******************************************************************************
*
* Function sdp_conn_timer_timeout
*
* Description This function processes a timeout. Currently, we simply send
* a disconnect request to L2CAP.
*
* Returns void
*
******************************************************************************/
void sdp_conn_timer_timeout(void* data) {
tCONN_CB* p_ccb = (tCONN_CB*)data;
SDP_TRACE_EVENT("SDP - CCB timeout in state: %d CID: 0x%x", p_ccb->con_state,
p_ccb->connection_id);
L2CA_DisconnectReq(p_ccb->connection_id);
/* 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);
}