/*******************************************************************************
**
** Function bta_gattc_clcb_dealloc
**
** Description Deallocte a clcb
**
** Returns pointer to the clcb
**
*******************************************************************************/
void bta_gattc_clcb_dealloc(tBTA_GATTC_CLCB *p_clcb)
{
tBTA_GATTC_SERV *p_srcb = NULL;
if (p_clcb)
{
p_srcb = p_clcb->p_srcb;
if (p_srcb->num_clcb)
p_srcb->num_clcb --;
if (p_clcb->p_rcb->num_clcb)
p_clcb->p_rcb->num_clcb --;
/* if the srcb is no longer needed, reset the state */
if ( p_srcb->num_clcb == 0)
{
p_srcb->connected = FALSE;
p_srcb->state = BTA_GATTC_SERV_IDLE;
p_srcb->mtu = 0;
}
utl_freebuf((void **)&p_clcb->p_q_cmd);
memset(p_clcb, 0, sizeof(tBTA_GATTC_CLCB));
}
else
{
APPL_TRACE_ERROR("bta_gattc_clcb_dealloc p_clcb=NULL");
}
}
/*******************************************************************************
**
** Function bta_hh_di_sdp_cback
**
** Description SDP DI callback function.
**
** Returns void
**
*******************************************************************************/
static void bta_hh_di_sdp_cback(UINT16 result)
{
tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur;
tBTA_HH_STATUS status = BTA_HH_ERR_SDP;
tSDP_DI_GET_RECORD di_rec;
tHID_STATUS ret;
#if BTA_HH_DEBUG
APPL_TRACE_EVENT("bta_hh_di_sdp_cback: p_cb: %d result 0x%02x", p_cb, result);
#endif
/* if DI record does not exist on remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be
* set to 0xffff and we will allow the connection to go through. Spec mandates that DI
* record be set, but many HID devices do not set this. So for IOP purposes, we allow the
* connection to go through and update the DI record to invalid DI entry.*/
if (((result == SDP_SUCCESS) || (result == SDP_NO_RECS_MATCH)) && (p_cb != NULL))
{
if(result == SDP_SUCCESS && SDP_GetNumDiRecords(bta_hh_cb.p_disc_db) != 0)
{
/* always update information with primary DI record */
if (SDP_GetDiRecord(1, &di_rec, bta_hh_cb.p_disc_db) == SDP_SUCCESS)
{
bta_hh_update_di_info(p_cb, di_rec.rec.vendor, di_rec.rec.product, di_rec.rec.version, 0);
}
}
else /* no DI recrod available */
{
bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 0, 0, 0);
}
if ((ret = HID_HostGetSDPRecord(p_cb->addr,
bta_hh_cb.p_disc_db,
p_bta_hh_cfg->sdp_db_size,
bta_hh_sdp_cback)) == HID_SUCCESS)
{
status = BTA_HH_OK;
}
else
{
#if BTA_HH_DEBUG
APPL_TRACE_DEBUG ("bta_hh_di_sdp_cback: HID_HostGetSDPRecord failed: Status 0x%2x",
ret);
#endif
}
}
if (status != BTA_HH_OK)
{
utl_freebuf((void **)&bta_hh_cb.p_disc_db);
/* send SDP_CMPL_EVT into state machine */
bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
}
return;
}
/*******************************************************************************
**
** Function bta_gattc_srcb_alloc
**
** Description allocate server cache control block
**
** Returns pointer to the server cache.
**
*******************************************************************************/
tBTA_GATTC_SERV * bta_gattc_srcb_alloc(BD_ADDR bda)
{
tBTA_GATTC_SERV *p_tcb = &bta_gattc_cb.known_server[0],
*p_recycle = NULL;
BOOLEAN found = FALSE;
UINT8 i;
for (i = 0; i < BTA_GATTC_KNOWN_SR_MAX; i ++, p_tcb ++)
{
if (!p_tcb->in_use)
{
found = TRUE;
break;
}
else if (!p_tcb->connected)
{
p_recycle = p_tcb;
}
}
/* if not found, try to recycle one known device */
if (!found && !p_recycle)
p_tcb = NULL;
else if (!found && p_recycle)
p_tcb = p_recycle;
if (p_tcb != NULL)
{
while (!GKI_queue_is_empty(&p_tcb->cache_buffer))
GKI_freebuf (GKI_dequeue (&p_tcb->cache_buffer));
utl_freebuf((void **)&p_tcb->p_srvc_list);
memset(p_tcb, 0 , sizeof(tBTA_GATTC_SERV));
p_tcb->in_use = TRUE;
bdcpy(p_tcb->server_bda, bda);
}
return p_tcb;
}
/*******************************************************************************
**
** Function bta_hh_start_sdp
**
** Description Start SDP service search, and obtain necessary SDP records.
** Only one SDP service search request is allowed at the same
** time. For every BTA_HhOpen API call, do SDP first unless SDP
** has been done previously.
**
** Returns void
**
*******************************************************************************/
void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data)
{
tBTA_HH_STATUS status = BTA_HH_ERR_SDP;
UINT8 hdl;
p_cb->sec_mask = p_data->api_conn.sec_mask;
p_cb->mode = p_data->api_conn.mode;
bta_hh_cb.p_cur = p_cb;
#if (BTA_HH_LE_INCLUDED == TRUE)
if (bta_hh_is_le_device(p_cb, p_data->api_conn.bd_addr))
{
bta_hh_le_open_conn(p_cb, p_data->api_conn.bd_addr);
return;
}
#endif
/* if previously virtually cabled device, skip SDP */
if (p_cb->app_id)
{
status = BTA_HH_OK;
#if BTA_HH_DEBUG
APPL_TRACE_DEBUG("bta_hh_start_sdp:: skip SDP for known devices");
#endif
if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
{
if (HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl) \
== HID_SUCCESS)
{
/* update device CB with newly register device handle */
bta_hh_add_device_to_list(p_cb, hdl, p_cb->attr_mask, NULL,
p_cb->sub_class,
p_cb->dscp_info.ssr_max_latency,
p_cb->dscp_info.ssr_min_tout,
p_cb->app_id);
/* update cb_index[] map */
bta_hh_cb.cb_index[hdl] = p_cb->index;
}
else
status = BTA_HH_ERR_NO_RES;
}
bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
return;
}
/* GetSDPRecord. at one time only one SDP precedure can be active */
else if (!bta_hh_cb.p_disc_db)
{
bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(p_bta_hh_cfg->sdp_db_size);
if (bta_hh_cb.p_disc_db == NULL)
{
status = BTA_HH_ERR_NO_RES;
}
else
{
bta_hh_cb.p_cur = p_cb;
/* do DI discovery first */
if (SDP_DiDiscover(p_data->api_conn.bd_addr,
bta_hh_cb.p_disc_db,
p_bta_hh_cfg->sdp_db_size,
bta_hh_di_sdp_cback) != SDP_SUCCESS)
{
#if BTA_HH_DEBUG
APPL_TRACE_DEBUG ("bta_hh_start_sdp: SDP_DiDiscover failed: \
Status 0x%2X",status);
#endif
status = BTA_HH_ERR_SDP;
utl_freebuf((void **)&bta_hh_cb.p_disc_db);
}
else
/*******************************************************************************
**
** Function bta_hh_sdp_cback
**
** Description SDP callback function.
**
** Returns void
**
*******************************************************************************/
static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask,
tHID_DEV_SDP_INFO *sdp_rec )
{
tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur;
UINT8 hdl = 0;
tBTA_HH_STATUS status = BTA_HH_ERR_SDP;
/* make sure sdp succeeded and hh has not been disabled */
if ((result == SDP_SUCCESS) && (p_cb != NULL))
{
/* security is required for the connection, add attr_mask bit*/
if (p_cb->sec_mask)
attr_mask |= HID_SEC_REQUIRED;
#if BTA_HH_DEBUG
APPL_TRACE_EVENT("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \
attr_mask 0x%02x, handle %x", \
p_cb, result, attr_mask,p_cb->hid_handle);
#endif
/* check to see type of device is supported , and should not been added before */
if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class))
{
/* if not added before */
if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE)
{
/* add device/update attr_mask information */
if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS)
{
status = BTA_HH_OK;
/* update cb_index[] map */
bta_hh_cb.cb_index[hdl] = p_cb->index;
}
else
{
p_cb->app_id = 0;
}
}
else
{
hdl = p_cb->hid_handle;
}
/* else : incoming connection after SDP should update the SDP information as well */
if (p_cb->app_id != 0)
{
/* update cb information with attr_mask, dscp_info etc. */
bta_hh_add_device_to_list(p_cb, hdl, attr_mask,
&sdp_rec->dscp_info,
sdp_rec->sub_class,
sdp_rec->ssr_max_latency,
sdp_rec->ssr_min_tout,
p_cb->app_id);
p_cb->dscp_info.ctry_code = sdp_rec->ctry_code;
status = BTA_HH_OK;
}
}
else /* type of device is not supported */
status = BTA_HH_ERR_TOD_UNSPT;
}
/* free disc_db when SDP is completed */
utl_freebuf((void **)&bta_hh_cb.p_disc_db);
/* send SDP_CMPL_EVT into state machine */
bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status);
return;
}
