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android / platform / external / bluetooth / bluedroid / 57ed41b9554aefdb7f881e15375d75b4c9dd58e9 / . / stack / gatt / gatt_utils.c
blob: 0e841a92ccd8b8102a19dd8050aee1f4f1307022 [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2009-2012 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 GATT utility functions
*
******************************************************************************/
#include "bt_target.h"
#include "bt_utils.h"
#if BLE_INCLUDED == TRUE
#include <string.h>
#include "stdio.h"
#include "gki.h"
#include "l2cdefs.h"
#include "gatt_int.h"
#include "gatt_api.h"
#include "gattdefs.h"
#include "sdp_api.h"
#include "btm_int.h"
/* check if [x, y] and [a, b] have overlapping range */
#define GATT_VALIDATE_HANDLE_RANGE(x, y, a, b) (y >= a && x <= b)
#define GATT_GET_NEXT_VALID_HANDLE(x) (((x)/10 + 1) * 10)
const char * const op_code_name[] =
{
"UNKNOWN",
"ATT_RSP_ERROR",
"ATT_REQ_MTU",
"ATT_RSP_MTU",
"ATT_REQ_READ_INFO",
"ATT_RSP_READ_INFO",
"ATT_REQ_FIND_TYPE_VALUE",
"ATT_RSP_FIND_TYPE_VALUE",
"ATT_REQ_READ_BY_TYPE",
"ATT_RSP_READ_BY_TYPE",
"ATT_REQ_READ",
"ATT_RSP_READ",
"ATT_REQ_READ_BLOB",
"ATT_RSP_READ_BLOB",
"GATT_REQ_READ_MULTI",
"GATT_RSP_READ_MULTI",
"GATT_REQ_READ_BY_GRP_TYPE",
"GATT_RSP_READ_BY_GRP_TYPE",
"ATT_REQ_WRITE",
"ATT_RSP_WRITE",
"ATT_CMD_WRITE",
"ATT_SIGN_CMD_WRITE",
"ATT_REQ_PREPARE_WRITE",
"ATT_RSP_PREPARE_WRITE",
"ATT_REQ_EXEC_WRITE",
"ATT_RSP_EXEC_WRITE",
"Reserved",
"ATT_HANDLE_VALUE_NOTIF",
"Reserved",
"ATT_HANDLE_VALUE_IND",
"ATT_HANDLE_VALUE_CONF",
"ATT_OP_CODE_MAX"
};
static const UINT8 base_uuid[LEN_UUID_128] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
/*******************************************************************************
**
** Function gatt_free_pending_ind
**
** Description Free all pending indications
**
** Returns None
**
*******************************************************************************/
void gatt_free_pending_ind(tGATT_TCB *p_tcb)
{
GATT_TRACE_DEBUG("gatt_free_pending_ind");
/* release all queued indications */
while (p_tcb->pending_ind_q.p_first)
GKI_freebuf (GKI_dequeue (&p_tcb->pending_ind_q));
}
/*******************************************************************************
**
** Function gatt_free_pending_enc_queue
**
** Description Free all buffers in pending encyption queue
**
** Returns None
**
*******************************************************************************/
void gatt_free_pending_enc_queue(tGATT_TCB *p_tcb)
{
GATT_TRACE_DEBUG("gatt_free_pending_enc_queue");
/* release all queued indications */
while (p_tcb->pending_enc_clcb.p_first)
GKI_freebuf (GKI_dequeue (&p_tcb->pending_enc_clcb));
}
/*******************************************************************************
**
** Function gatt_delete_dev_from_srv_chg_clt_list
**
** Description Delete a device from the service changed client lit
**
** Returns None
**
*******************************************************************************/
void gatt_delete_dev_from_srv_chg_clt_list(BD_ADDR bd_addr)
{
tGATTS_SRV_CHG *p_buf;
tGATTS_SRV_CHG_REQ req;
GATT_TRACE_DEBUG ("gatt_delete_dev_from_srv_chg_clt_list");
if ((p_buf = gatt_is_bda_in_the_srv_chg_clt_list(bd_addr)) != NULL)
{
if (gatt_cb.cb_info.p_srv_chg_callback)
{
/* delete from NV */
memcpy(req.srv_chg.bda, bd_addr, BD_ADDR_LEN);
(*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_REMOVE_CLIENT,&req, NULL);
}
GKI_freebuf (GKI_remove_from_queue (&gatt_cb.srv_chg_clt_q, p_buf));
}
}
/*******************************************************************************
**
** Function gatt_set_srv_chg
**
** Description Set the service changed flag to TRUE
**
** Returns None
**
*******************************************************************************/
void gatt_set_srv_chg(void)
{
tGATTS_SRV_CHG *p_buf = (tGATTS_SRV_CHG *)GKI_getfirst(&gatt_cb.srv_chg_clt_q);
tGATTS_SRV_CHG_REQ req;
GATT_TRACE_DEBUG ("gatt_set_srv_chg");
while (p_buf)
{
GATT_TRACE_DEBUG ("found a srv_chg clt");
if (!p_buf->srv_changed)
{
GATT_TRACE_DEBUG ("set srv_changed to TRUE");
p_buf->srv_changed= TRUE;
memcpy(&req.srv_chg, p_buf, sizeof(tGATTS_SRV_CHG));
if (gatt_cb.cb_info.p_srv_chg_callback)
(*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_UPDATE_CLIENT,&req, NULL);
}
p_buf = (tGATTS_SRV_CHG *)GKI_getnext(p_buf);
}
}
/*******************************************************************************
**
** Function gatt_sr_is_new_srv_chg
**
** Description Find the app id in on the new service changed list
**
** Returns Pointer to the found new service changed item othwerwise NULL
**
*******************************************************************************/
tGATTS_PENDING_NEW_SRV_START *gatt_sr_is_new_srv_chg(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst)
{
tGATTS_HNDL_RANGE *p;
tGATTS_PENDING_NEW_SRV_START *p_buf = (tGATTS_PENDING_NEW_SRV_START *)GKI_getfirst(&gatt_cb.pending_new_srv_start_q);
while (p_buf != NULL)
{
p = p_buf->p_new_srv_start;
if ( gatt_uuid_compare (*p_app_uuid128, p->app_uuid128)
&& gatt_uuid_compare (*p_svc_uuid, p->svc_uuid)
&& (svc_inst == p->svc_inst) )
{
GATT_TRACE_DEBUG ("gatt_sr_is_new_srv_chg: Yes");
break;
}
p_buf = (tGATTS_PENDING_NEW_SRV_START *)GKI_getnext(p_buf);
}
return p_buf;
}
/*******************************************************************************
**
** Function gatt_add_pending_ind
**
** Description Add a pending indication
**
** Returns Pointer to the current pending indication buffer, NULL no buffer available
**
*******************************************************************************/
tGATT_VALUE *gatt_add_pending_ind(tGATT_TCB *p_tcb, tGATT_VALUE *p_ind)
{
tGATT_VALUE *p_buf;
GATT_TRACE_DEBUG ("gatt_add_pending_ind");
if ((p_buf = (tGATT_VALUE *)GKI_getbuf((UINT16)sizeof(tGATT_VALUE))) != NULL)
{
GATT_TRACE_DEBUG ("enqueue a pending indication");
memcpy(p_buf, p_ind, sizeof(tGATT_VALUE));
GKI_enqueue (&p_tcb->pending_ind_q, p_buf);
}
return p_buf;
}
/*******************************************************************************
**
** Function gatt_add_pending_new_srv_start
**
** Description Add a pending new srv start to the new service start queue
**
** Returns Pointer to the new service start buffer, NULL no buffer available
**
*******************************************************************************/
tGATTS_PENDING_NEW_SRV_START *gatt_add_pending_new_srv_start(tGATTS_HNDL_RANGE *p_new_srv_start)
{
tGATTS_PENDING_NEW_SRV_START *p_buf;
GATT_TRACE_DEBUG ("gatt_add_pending_new_srv_start");
if ((p_buf = (tGATTS_PENDING_NEW_SRV_START *)GKI_getbuf((UINT16)sizeof(tGATTS_PENDING_NEW_SRV_START))) != NULL)
{
GATT_TRACE_DEBUG ("enqueue a new pending new srv start");
p_buf->p_new_srv_start = p_new_srv_start;
GKI_enqueue (&gatt_cb.pending_new_srv_start_q, p_buf);
}
return p_buf;
}
/*******************************************************************************
**
** Function gatt_add_srv_chg_clt
**
** Description Add a service chnage client to the service change client queue
**
** Returns Pointer to the service change client buffer; Null no buffer available
**
*******************************************************************************/
tGATTS_SRV_CHG *gatt_add_srv_chg_clt(tGATTS_SRV_CHG *p_srv_chg)
{
tGATTS_SRV_CHG *p_buf;
GATT_TRACE_DEBUG ("gatt_add_srv_chg_clt");
if ((p_buf = (tGATTS_SRV_CHG *)GKI_getbuf((UINT16)sizeof(tGATTS_SRV_CHG))) != NULL)
{
GATT_TRACE_DEBUG ("enqueue a srv chg client");
memcpy(p_buf, p_srv_chg, sizeof(tGATTS_SRV_CHG));
GKI_enqueue (&gatt_cb.srv_chg_clt_q, p_buf);
}
return p_buf;
}
/*******************************************************************************
**
** Function gatt_alloc_hdl_buffer
**
** Description Allocate a handle buufer
**
** Returns Pointer to the allocated buffer, NULL no buffer available
**
*******************************************************************************/
tGATT_HDL_LIST_ELEM *gatt_alloc_hdl_buffer(void)
{
UINT8 i;
tGATT_CB *p_cb = &gatt_cb;
tGATT_HDL_LIST_ELEM * p_elem= &p_cb->hdl_list[0];
for (i = 0; i < GATT_MAX_SR_PROFILES; i++, p_elem ++)
{
if (!p_cb->hdl_list[i].in_use)
{
memset(p_elem, 0, sizeof(tGATT_HDL_LIST_ELEM));
p_elem->in_use = TRUE;
return p_elem;
}
}
return NULL;
}
/*******************************************************************************
**
** Function gatt_find_hdl_buffer_by_handle
**
** Description Find handle range buffer by service handle.
**
** Returns Pointer to the buffer, NULL no buffer available
**
*******************************************************************************/
tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_handle(UINT16 handle)
{
tGATT_HDL_LIST_INFO *p_list_info= &gatt_cb.hdl_list_info;
tGATT_HDL_LIST_ELEM *p_list = NULL;
p_list = p_list_info->p_first;
while (p_list != NULL)
{
if (p_list->in_use && p_list->asgn_range.s_handle == handle)
{
return(p_list);
}
p_list = p_list->p_next;
}
return NULL;
}
/*******************************************************************************
**
** Function gatt_find_hdl_buffer_by_app_id
**
** Description Find handle range buffer by app ID, service and service instance ID.
**
** Returns Pointer to the buffer, NULL no buffer available
**
*******************************************************************************/
tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_app_id (tBT_UUID *p_app_uuid128,
tBT_UUID *p_svc_uuid,
UINT16 svc_inst)
{
tGATT_HDL_LIST_INFO *p_list_info= &gatt_cb.hdl_list_info;
tGATT_HDL_LIST_ELEM *p_list = NULL;
p_list = p_list_info->p_first;
while (p_list != NULL)
{
if ( gatt_uuid_compare (*p_app_uuid128, p_list->asgn_range.app_uuid128)
&& gatt_uuid_compare (*p_svc_uuid, p_list->asgn_range.svc_uuid)
&& (svc_inst == p_list->asgn_range.svc_inst) )
{
GATT_TRACE_DEBUG ("Already allocated handles for this service before!!");
return(p_list);
}
p_list = p_list->p_next;
}
return NULL;
}
/*******************************************************************************
**
** Function gatt_free_hdl_buffer
**
** Description free a handle buffer
**
** Returns None
**
*******************************************************************************/
void gatt_free_hdl_buffer(tGATT_HDL_LIST_ELEM *p)
{
if (p)
{
while (p->svc_db.svc_buffer.p_first)
GKI_freebuf (GKI_dequeue (&p->svc_db.svc_buffer));
memset(p, 0, sizeof(tGATT_HDL_LIST_ELEM));
}
}
/*******************************************************************************
**
** Function gatt_free_srvc_db_buffer_app_id
**
** Description free the service attribute database buffers by the owner of the
** service app ID.
**
** Returns None
**
*******************************************************************************/
void gatt_free_srvc_db_buffer_app_id(tBT_UUID *p_app_id)
{
tGATT_HDL_LIST_ELEM *p_elem = &gatt_cb.hdl_list[0];
UINT8 i;
for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_elem ++)
{
if (memcmp(p_app_id, &p_elem->asgn_range.app_uuid128, sizeof(tBT_UUID)) == 0)
{
while (p_elem->svc_db.svc_buffer.p_first)
GKI_freebuf (GKI_dequeue (&p_elem->svc_db.svc_buffer));
p_elem->svc_db.mem_free = 0;
p_elem->svc_db.p_attr_list = p_elem->svc_db.p_free_mem = NULL;
}
}
}
/*******************************************************************************
**
** Function gatt_is_last_attribute
**
** Description Check this is the last attribute of the specified value or not
**
** Returns TRUE - yes this is the last attribute
**
*******************************************************************************/
BOOLEAN gatt_is_last_attribute(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_start, tBT_UUID value)
{
tGATT_SRV_LIST_ELEM *p_srv= p_start->p_next;
BOOLEAN is_last_attribute = TRUE;
tGATT_SR_REG *p_rcb = NULL;
tBT_UUID *p_svc_uuid;
p_list->p_last_primary = NULL;
while (p_srv)
{
p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg);
p_svc_uuid = gatts_get_service_uuid (p_rcb->p_db);
if (gatt_uuid_compare(value, *p_svc_uuid))
{
is_last_attribute = FALSE;
break;
}
p_srv = p_srv->p_next;
}
return is_last_attribute;
}
/*******************************************************************************
**
** Function gatt_update_last_pri_srv_info
**
** Description Update the the last primary info for the service list info
**
** Returns None
**
*******************************************************************************/
void gatt_update_last_pri_srv_info(tGATT_SRV_LIST_INFO *p_list)
{
tGATT_SRV_LIST_ELEM *p_srv= p_list->p_first;
p_list->p_last_primary = NULL;
while (p_srv)
{
if (p_srv->is_primary)
{
p_list->p_last_primary = p_srv;
}
p_srv = p_srv->p_next;
}
}
/*******************************************************************************
**
** Function gatts_update_srv_list_elem
**
** Description update an element in the service list.
**
** Returns None.
**
*******************************************************************************/
void gatts_update_srv_list_elem(UINT8 i_sreg, UINT16 handle, BOOLEAN is_primary)
{
UNUSED(handle);
gatt_cb.srv_list[i_sreg].in_use = TRUE;
gatt_cb.srv_list[i_sreg].i_sreg = i_sreg;
gatt_cb.srv_list[i_sreg].s_hdl = gatt_cb.sr_reg[i_sreg].s_hdl;
gatt_cb.srv_list[i_sreg].is_primary = is_primary;
return;
}
/*******************************************************************************
**
** Function gatt_add_a_srv_to_list
**
** Description add an service to the list in ascending
** order of the start handle
**
** Returns BOOLEAN TRUE-if add is successful
**
*******************************************************************************/
BOOLEAN gatt_add_a_srv_to_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_new)
{
tGATT_SRV_LIST_ELEM *p_old;
if (!p_new)
{
GATT_TRACE_DEBUG("p_new==NULL");
return FALSE;
}
if (!p_list->p_first)
{
/* this is an empty list */
p_list->p_first =
p_list->p_last = p_new;
p_new->p_next =
p_new->p_prev = NULL;
}
else
{
p_old = p_list->p_first;
while (1)
{
if (p_old == NULL)
{
p_list->p_last->p_next = p_new;
p_new->p_prev = p_list->p_last;
p_new->p_next = NULL;
p_list->p_last = p_new;
break;
}
else
{
if (p_new->s_hdl < p_old->s_hdl)
{
/* if not the first in list */
if (p_old->p_prev != NULL)
p_old->p_prev->p_next = p_new;
else
p_list->p_first = p_new;
p_new->p_prev = p_old->p_prev;
p_new->p_next = p_old;
p_old->p_prev = p_new;
break;
}
}
p_old = p_old->p_next;
}
}
p_list->count++;
gatt_update_last_pri_srv_info(p_list);
return TRUE;
}
/*******************************************************************************
**
** Function gatt_remove_a_srv_from_list
**
** Description Remove a service from the list
**
** Returns BOOLEAN TRUE-if remove is successful
**
*******************************************************************************/
BOOLEAN gatt_remove_a_srv_from_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_remove)
{
if (!p_remove || !p_list->p_first)
{
GATT_TRACE_DEBUG("p_remove==NULL || p_list->p_first==NULL");
return FALSE;
}
if (p_remove->p_prev == NULL)
{
p_list->p_first = p_remove->p_next;
if (p_remove->p_next)
p_remove->p_next->p_prev = NULL;
}
else if (p_remove->p_next == NULL)
{
p_list->p_last = p_remove->p_prev;
p_remove->p_prev->p_next = NULL;
}
else
{
p_remove->p_next->p_prev = p_remove->p_prev;
p_remove->p_prev->p_next = p_remove->p_next;
}
p_list->count--;
gatt_update_last_pri_srv_info(p_list);
return TRUE;
}
/*******************************************************************************
**
** Function gatt_add_an_item_to_list
**
** Description add an service handle range to the list in decending
** order of the start handle
**
** Returns BOOLEAN TRUE-if add is successful
**
*******************************************************************************/
BOOLEAN gatt_add_an_item_to_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_new)
{
tGATT_HDL_LIST_ELEM *p_old;
if (!p_new)
{
GATT_TRACE_DEBUG("p_new==NULL");
return FALSE;
}
if (!p_list->p_first)
{
/* this is an empty list */
p_list->p_first =
p_list->p_last = p_new;
p_new->p_next =
p_new->p_prev = NULL;
}
else
{
p_old = p_list->p_first;
while (1)
{
if (p_old == NULL)
{
p_list->p_last->p_next = p_new;
p_new->p_prev = p_list->p_last;
p_new->p_next = NULL;
p_list->p_last = p_new;
break;
}
else
{
if (p_new->asgn_range.s_handle > p_old->asgn_range.s_handle)
{
if (p_old == p_list->p_first)
p_list->p_first = p_new;
p_new->p_prev = p_old->p_prev;
p_new->p_next = p_old;
p_old->p_prev = p_new;
break;
}
}
p_old = p_old->p_next;
}
}
p_list->count++;
return TRUE;
}
/*******************************************************************************
**
** Function gatt_remove_an_item_from_list
**
** Description Remove an service handle range from the list
**
** Returns BOOLEAN TRUE-if remove is successful
**
*******************************************************************************/
BOOLEAN gatt_remove_an_item_from_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_remove)
{
if (!p_remove || !p_list->p_first)
{
GATT_TRACE_DEBUG("p_remove==NULL || p_list->p_first==NULL");
return FALSE;
}
if (p_remove->p_prev == NULL)
{
p_list->p_first = p_remove->p_next;
if (p_remove->p_next)
p_remove->p_next->p_prev = NULL;
}
else if (p_remove->p_next == NULL)
{
p_list->p_last = p_remove->p_prev;
p_remove->p_prev->p_next = NULL;
}
else
{
p_remove->p_next->p_prev = p_remove->p_prev;
p_remove->p_prev->p_next = p_remove->p_next;
}
p_list->count--;
return TRUE;
}
/*******************************************************************************
**
** Function gatt_find_the_connected_bda
**
** Description This function find the connected bda
**
** Returns TRUE if found
**
*******************************************************************************/
BOOLEAN gatt_find_the_connected_bda(UINT8 start_idx, BD_ADDR bda, UINT8 *p_found_idx,
tBT_TRANSPORT *p_transport)
{
UINT8 i;
BOOLEAN found = FALSE;
GATT_TRACE_DEBUG("gatt_find_the_connected_bda start_idx=%d",start_idx);
for (i = start_idx ; i < GATT_MAX_PHY_CHANNEL; i ++)
{
if (gatt_cb.tcb[i].in_use && gatt_cb.tcb[i].ch_state == GATT_CH_OPEN)
{
memcpy( bda, gatt_cb.tcb[i].peer_bda, BD_ADDR_LEN);
*p_found_idx = i;
*p_transport = gatt_cb.tcb[i].transport;
found = TRUE;
GATT_TRACE_DEBUG("gatt_find_the_connected_bda bda :%02x-%02x-%02x-%02x-%02x-%02x",
bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
break;
}
}
GATT_TRACE_DEBUG("gatt_find_the_connected_bda found=%d found_idx=%d", found, i);
return found;
}
/*******************************************************************************
**
** Function gatt_is_srv_chg_ind_pending
**
** Description Check whether a service chnaged is in the indication pending queue
** or waiting for an Ack already
**
** Returns BOOLEAN
**
*******************************************************************************/
BOOLEAN gatt_is_srv_chg_ind_pending (tGATT_TCB *p_tcb)
{
tGATT_VALUE *p_buf = (tGATT_VALUE *)GKI_getfirst(&p_tcb->pending_ind_q);
BOOLEAN srv_chg_ind_pending = FALSE;
GATT_TRACE_DEBUG("gatt_is_srv_chg_ind_pending is_queue_empty=%d", GKI_queue_is_empty(&p_tcb->pending_ind_q) );
if (p_tcb->indicate_handle == gatt_cb.handle_of_h_r)
{
srv_chg_ind_pending = TRUE;
}
else
{
while (p_buf)
{
if (p_buf->handle == gatt_cb.handle_of_h_r)
{
srv_chg_ind_pending = TRUE;
break;
}
p_buf = (tGATT_VALUE *)GKI_getnext(p_buf);
}
}
GATT_TRACE_DEBUG("srv_chg_ind_pending = %d", srv_chg_ind_pending);
return srv_chg_ind_pending;
}
/*******************************************************************************
**
** Function gatt_is_bda_in_the_srv_chg_clt_list
**
** Description This function check the specified bda is in the srv chg clinet list or not
**
** Returns pointer to the found elemenet otherwise NULL
**
*******************************************************************************/
tGATTS_SRV_CHG *gatt_is_bda_in_the_srv_chg_clt_list (BD_ADDR bda)
{
tGATTS_SRV_CHG *p_buf = (tGATTS_SRV_CHG *)GKI_getfirst(&gatt_cb.srv_chg_clt_q);
GATT_TRACE_DEBUG("gatt_is_bda_in_the_srv_chg_clt_list :%02x-%02x-%02x-%02x-%02x-%02x",
bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
while (p_buf != NULL)
{
if (!memcmp( bda, p_buf->bda, BD_ADDR_LEN))
{
GATT_TRACE_DEBUG("bda is in the srv chg clt list");
break;
}
p_buf = (tGATTS_SRV_CHG *)GKI_getnext(p_buf);
}
return p_buf;
}
/*******************************************************************************
**
** Function gatt_is_bda_connected
**
** Description
**
** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
**
*******************************************************************************/
BOOLEAN gatt_is_bda_connected(BD_ADDR bda)
{
UINT8 i = 0;
BOOLEAN connected=FALSE;
for ( i=0; i < GATT_MAX_PHY_CHANNEL; i ++)
{
if (gatt_cb.tcb[i].in_use &&
!memcmp(gatt_cb.tcb[i].peer_bda, bda, BD_ADDR_LEN))
{
connected = TRUE;
break;
}
}
return connected;
}
/*******************************************************************************
**
** Function gatt_find_i_tcb_by_addr
**
** Description The function searches for an empty tcb entry, and return the index.
**
** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
**
*******************************************************************************/
UINT8 gatt_find_i_tcb_by_addr(BD_ADDR bda, tBT_TRANSPORT transport)
{
UINT8 i = 0;
for ( ; i < GATT_MAX_PHY_CHANNEL; i ++)
{
if (!memcmp(gatt_cb.tcb[i].peer_bda, bda, BD_ADDR_LEN) &&
gatt_cb.tcb[i].transport == transport)
{
return i;
}
}
return GATT_INDEX_INVALID;
}
/*******************************************************************************
**
** Function gatt_get_tcb_by_idx
**
** Description The function get TCB using the TCB index
**
** Returns NULL if not found. Otherwise index to the tcb.
**
*******************************************************************************/
tGATT_TCB * gatt_get_tcb_by_idx(UINT8 tcb_idx)
{
tGATT_TCB *p_tcb = NULL;
if ( (tcb_idx < GATT_MAX_PHY_CHANNEL) && gatt_cb.tcb[tcb_idx].in_use)
p_tcb = &gatt_cb.tcb[tcb_idx];
return p_tcb;
}
/*******************************************************************************
**
** Function gatt_find_tcb_by_addr
**
** Description The function searches for an empty tcb entry, and return pointer.
**
** Returns NULL if not found. Otherwise index to the tcb.
**
*******************************************************************************/
tGATT_TCB * gatt_find_tcb_by_addr(BD_ADDR bda, tBT_TRANSPORT transport)
{
tGATT_TCB *p_tcb = NULL;
UINT8 i = 0;
if ((i = gatt_find_i_tcb_by_addr(bda, transport)) != GATT_INDEX_INVALID)
p_tcb = &gatt_cb.tcb[i];
return p_tcb;
}
/*******************************************************************************
**
** Function gatt_find_i_tcb_free
**
** Description The function searches for an empty tcb entry, and return the index.
**
** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
**
*******************************************************************************/
UINT8 gatt_find_i_tcb_free(void)
{
UINT8 i = 0, j = GATT_INDEX_INVALID;
for (i = 0; i < GATT_MAX_PHY_CHANNEL; i ++)
{
if (!gatt_cb.tcb[i].in_use)
{
j = i;
break;
}
}
return j;
}
/*******************************************************************************
**
** Function gatt_allocate_tcb_by_bdaddr
**
** Description The function locate or allocate new tcb entry for matching bda.
**
** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
**
*******************************************************************************/
tGATT_TCB * gatt_allocate_tcb_by_bdaddr(BD_ADDR bda, tBT_TRANSPORT transport)
{
UINT8 i = 0;
BOOLEAN allocated = FALSE;
tGATT_TCB *p_tcb = NULL;
/* search for existing tcb with matching bda */
i = gatt_find_i_tcb_by_addr(bda, transport);
/* find free tcb */
if (i == GATT_INDEX_INVALID)
{
i = gatt_find_i_tcb_free();
allocated = TRUE;
}
if (i != GATT_INDEX_INVALID)
{
p_tcb = &gatt_cb.tcb[i];
if (allocated)
{
memset(p_tcb, 0, sizeof(tGATT_TCB));
GKI_init_q (&p_tcb->pending_enc_clcb);
GKI_init_q (&p_tcb->pending_ind_q);
p_tcb->in_use = TRUE;
p_tcb->tcb_idx = i;
p_tcb->transport = transport;
}
memcpy(p_tcb->peer_bda, bda, BD_ADDR_LEN);
}
return p_tcb;
}
/*******************************************************************************
**
** Function gatt_convert_uuid16_to_uuid128
**
** Description Convert a 16 bits UUID to be an standard 128 bits one.
**
** Returns TRUE if two uuid match; FALSE otherwise.
**
*******************************************************************************/
void gatt_convert_uuid16_to_uuid128(UINT8 uuid_128[LEN_UUID_128], UINT16 uuid_16)
{
UINT8 *p = &uuid_128[LEN_UUID_128 - 4];
memcpy (uuid_128, base_uuid, LEN_UUID_128);
UINT16_TO_STREAM(p, uuid_16);
}
/*******************************************************************************
**
** Function gatt_convert_uuid32_to_uuid128
**
** Description Convert a 32 bits UUID to be an standard 128 bits one.
**
** Returns TRUE if two uuid match; FALSE otherwise.
**
*******************************************************************************/
void gatt_convert_uuid32_to_uuid128(UINT8 uuid_128[LEN_UUID_128], UINT32 uuid_32)
{
UINT8 *p = &uuid_128[LEN_UUID_128 - 4];
memcpy (uuid_128, base_uuid, LEN_UUID_128);
UINT32_TO_STREAM(p, uuid_32);
}
/*******************************************************************************
**
** Function gatt_uuid_compare
**
** Description Compare two UUID to see if they are the same.
**
** Returns TRUE if two uuid match; FALSE otherwise.
**
*******************************************************************************/
BOOLEAN gatt_uuid_compare (tBT_UUID src, tBT_UUID tar)
{
UINT8 su[LEN_UUID_128], tu[LEN_UUID_128];
UINT8 *ps, *pt;
/* any of the UUID is unspecified */
if (src.len == 0 || tar.len == 0)
{
return TRUE;
}
/* If both are 16-bit, we can do a simple compare */
if (src.len == LEN_UUID_16 && tar.len == LEN_UUID_16)
{
return src.uu.uuid16 == tar.uu.uuid16;
}
/* If both are 32-bit, we can do a simple compare */
if (src.len == LEN_UUID_32 && tar.len == LEN_UUID_32)
{
return src.uu.uuid32 == tar.uu.uuid32;
}
/* One or both of the UUIDs is 128-bit */
if (src.len == LEN_UUID_16)
{
/* convert a 16 bits UUID to 128 bits value */
gatt_convert_uuid16_to_uuid128(su, src.uu.uuid16);
ps = su;
}
else if (src.len == LEN_UUID_32)
{
gatt_convert_uuid32_to_uuid128(su, src.uu.uuid32);
ps = su;
}
else
ps = src.uu.uuid128;
if (tar.len == LEN_UUID_16)
{
/* convert a 16 bits UUID to 128 bits value */
gatt_convert_uuid16_to_uuid128(tu, tar.uu.uuid16);
pt = tu;
}
else if (tar.len == LEN_UUID_32)
{
/* convert a 32 bits UUID to 128 bits value */
gatt_convert_uuid32_to_uuid128(tu, tar.uu.uuid32);
pt = tu;
}
else
pt = tar.uu.uuid128;
return(memcmp(ps, pt, LEN_UUID_128) == 0);
}
/*******************************************************************************
**
** Function gatt_build_uuid_to_stream
**
** Description Add UUID into stream.
**
** Returns UUID length.
**
*******************************************************************************/
UINT8 gatt_build_uuid_to_stream(UINT8 **p_dst, tBT_UUID uuid)
{
UINT8 *p = *p_dst;
UINT8 len = 0;
if (uuid.len == LEN_UUID_16)
{
UINT16_TO_STREAM (p, uuid.uu.uuid16);
len = LEN_UUID_16;
}
else if (uuid.len == LEN_UUID_32) /* always convert 32 bits into 128 bits as alwats */
{
gatt_convert_uuid32_to_uuid128(p, uuid.uu.uuid32);
p += LEN_UUID_128;
len = LEN_UUID_128;
}
else if (uuid.len == LEN_UUID_128)
{
ARRAY_TO_STREAM (p, uuid.uu.uuid128, LEN_UUID_128);
len = LEN_UUID_128;
}
*p_dst = p;
return len;
}
/*******************************************************************************
**
** Function gatt_parse_uuid_from_cmd
**
** Description Convert a 128 bits UUID into a 16 bits UUID.
**
** Returns TRUE if command sent, otherwise FALSE.
**
*******************************************************************************/
BOOLEAN gatt_parse_uuid_from_cmd(tBT_UUID *p_uuid_rec, UINT16 uuid_size, UINT8 **p_data)
{
BOOLEAN is_base_uuid, ret = TRUE;
UINT8 xx;
UINT8 *p_uuid = *p_data;
memset(p_uuid_rec, 0, sizeof(tBT_UUID));
switch (uuid_size)
{
case LEN_UUID_16:
p_uuid_rec->len = uuid_size;
STREAM_TO_UINT16 (p_uuid_rec->uu.uuid16, p_uuid);
*p_data += LEN_UUID_16;
break;
case LEN_UUID_128:
/* See if we can compress his UUID down to 16 or 32bit UUIDs */
is_base_uuid = TRUE;
for (xx = 0; xx < LEN_UUID_128 - 4; xx++)
{
if (p_uuid[xx] != base_uuid[xx])
{
is_base_uuid = FALSE;
break;
}
}
if (is_base_uuid)
{
if ((p_uuid[LEN_UUID_128 - 1] == 0) && (p_uuid[LEN_UUID_128 - 2] == 0))
{
p_uuid += (LEN_UUID_128 - 4);
p_uuid_rec->len = LEN_UUID_16;
STREAM_TO_UINT16(p_uuid_rec->uu.uuid16, p_uuid);
}
else
{
p_uuid += (LEN_UUID_128 - LEN_UUID_32);
p_uuid_rec->len = LEN_UUID_32;
STREAM_TO_UINT32(p_uuid_rec->uu.uuid32, p_uuid);
}
}
if (!is_base_uuid)
{
p_uuid_rec->len = LEN_UUID_128;
memcpy(p_uuid_rec->uu.uuid128, p_uuid, LEN_UUID_128);
}
*p_data += LEN_UUID_128;
break;
/* do not allow 32 bits UUID in ATT PDU now */
case LEN_UUID_32:
GATT_TRACE_ERROR("DO NOT ALLOW 32 BITS UUID IN ATT PDU");
case 0:
default:
if (uuid_size != 0) ret = FALSE;
GATT_TRACE_WARNING("gatt_parse_uuid_from_cmd invalid uuid size");
break;
}
return( ret);
}
/*******************************************************************************
**
** Function gatt_start_rsp_timer
**
** Description Start a wait_for_response timer.
**
** Returns TRUE if command sent, otherwise FALSE.
**
*******************************************************************************/
void gatt_start_rsp_timer(UINT16 clcb_idx)
{
tGATT_CLCB *p_clcb = &gatt_cb.clcb[clcb_idx];
UINT32 timeout = GATT_WAIT_FOR_RSP_TOUT;
p_clcb->rsp_timer_ent.param = (TIMER_PARAM_TYPE)p_clcb;
if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY &&
p_clcb->op_subtype == GATT_DISC_SRVC_ALL)
{
timeout = GATT_WAIT_FOR_DISC_RSP_TOUT;
}
btu_start_timer (&p_clcb->rsp_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_RSP,
timeout);
}
/*******************************************************************************
**
** Function gatt_start_conf_timer
**
** Description Start a wait_for_confirmation timer.
**
** Returns TRUE if command sent, otherwise FALSE.
**
*******************************************************************************/
void gatt_start_conf_timer(tGATT_TCB *p_tcb)
{
p_tcb->conf_timer_ent.param = (TIMER_PARAM_TYPE)p_tcb;
btu_start_timer (&p_tcb->conf_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_RSP,
GATT_WAIT_FOR_RSP_TOUT);
}
/*******************************************************************************
**
** Function gatt_start_ind_ack_timer
**
** Description start the application ack timer
**
** Returns void
**
*******************************************************************************/
void gatt_start_ind_ack_timer(tGATT_TCB *p_tcb)
{
p_tcb->ind_ack_timer_ent.param = (TIMER_PARAM_TYPE)p_tcb;
/* start notification cache timer */
btu_start_timer (&p_tcb->ind_ack_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_IND_ACK,
GATT_WAIT_FOR_RSP_TOUT);
}
/*******************************************************************************
**
** Function gatt_rsp_timeout
**
** Description Called when GATT wait for ATT command response timer expires
**
** Returns void
**
*******************************************************************************/
void gatt_rsp_timeout(TIMER_LIST_ENT *p_tle)
{
tGATT_CLCB *p_clcb = (tGATT_CLCB *)p_tle->param;
if (p_clcb == NULL || p_clcb->p_tcb == NULL)
{
GATT_TRACE_WARNING("gatt_rsp_timeout clcb is already deleted");
return;
}
if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY &&
p_clcb->op_subtype == GATT_DISC_SRVC_ALL &&
p_clcb->retry_count < GATT_REQ_RETRY_LIMIT)
{
UINT8 rsp_code;
GATT_TRACE_WARNING("gatt_rsp_timeout retry discovery primary service");
if (p_clcb != gatt_cmd_dequeue(p_clcb->p_tcb, &rsp_code))
{
GATT_TRACE_ERROR("gatt_rsp_timeout command queue out of sync, disconnect");
}
else
{
p_clcb->retry_count++;
gatt_act_discovery(p_clcb);
return;
}
}
GATT_TRACE_WARNING("gatt_rsp_timeout disconnecting...");
gatt_disconnect (p_clcb->p_tcb);
}
/*******************************************************************************
**
** Function gatt_ind_ack_timeout
**
** Description Called when GATT wait for ATT handle confirmation timeout
**
** Returns void
**
*******************************************************************************/
void gatt_ind_ack_timeout(TIMER_LIST_ENT *p_tle)
{
tGATT_TCB * p_tcb = (tGATT_TCB *)p_tle->param;
GATT_TRACE_WARNING("gatt_ind_ack_timeout send ack now");
if (p_tcb != NULL)
p_tcb->ind_count = 0;
attp_send_cl_msg(((tGATT_TCB *)p_tle->param), 0, GATT_HANDLE_VALUE_CONF, NULL);
}
/*******************************************************************************
**
** Function gatt_sr_find_i_rcb_by_handle
**
** Description The function searches for a service that owns a specific handle.
**
** Returns GATT_MAX_SR_PROFILES if not found. Otherwise index of th eservice.
**
*******************************************************************************/
UINT8 gatt_sr_find_i_rcb_by_handle(UINT16 handle)
{
UINT8 i_rcb = 0;
for ( ; i_rcb < GATT_MAX_SR_PROFILES; i_rcb++)
{
if (gatt_cb.sr_reg[i_rcb].in_use &&
gatt_cb.sr_reg[i_rcb].s_hdl <= handle &&
gatt_cb.sr_reg[i_rcb].e_hdl >= handle )
{
break;
}
}
return i_rcb;
}
/*******************************************************************************
**
** Function gatt_sr_find_i_rcb_by_handle
**
** Description The function searches for a service that owns a specific handle.
**
** Returns 0 if not found. Otherwise index of th eservice.
**
*******************************************************************************/
UINT8 gatt_sr_find_i_rcb_by_app_id(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst)
{
UINT8 i_rcb = 0;
tGATT_SR_REG *p_sreg;
tBT_UUID *p_this_uuid;
for (i_rcb = 0, p_sreg = gatt_cb.sr_reg; i_rcb < GATT_MAX_SR_PROFILES; i_rcb++, p_sreg++)
{
if ( p_sreg->in_use )
{
p_this_uuid = gatts_get_service_uuid (p_sreg->p_db);
if (p_this_uuid &&
gatt_uuid_compare (*p_app_uuid128, p_sreg->app_uuid ) &&
gatt_uuid_compare (*p_svc_uuid, *p_this_uuid) &&
(svc_inst == p_sreg->service_instance))
{
GATT_TRACE_ERROR ("Active Service Found ");
gatt_dbg_display_uuid(*p_svc_uuid);
break;
}
}
}
return i_rcb;
}
/*******************************************************************************
**
** Function gatt_sr_find_i_rcb_by_handle
**
** Description The function searches for a service that owns a specific handle.
**
** Returns 0 if not found. Otherwise index of th eservice.
**
*******************************************************************************/
UINT8 gatt_sr_alloc_rcb(tGATT_HDL_LIST_ELEM *p_list )
{
UINT8 ii = 0;
tGATT_SR_REG *p_sreg = NULL;
/*this is a new application servoce start */
for (ii = 0, p_sreg = gatt_cb.sr_reg; ii < GATT_MAX_SR_PROFILES; ii++, p_sreg++)
{
if (!p_sreg->in_use)
{
memset (p_sreg, 0, sizeof(tGATT_SR_REG));
p_sreg->in_use = TRUE;
memcpy (&p_sreg->app_uuid, &p_list->asgn_range.app_uuid128, sizeof(tBT_UUID));
p_sreg->service_instance = p_list->asgn_range.svc_inst;
p_sreg->type = p_list->asgn_range.is_primary ? GATT_UUID_PRI_SERVICE: GATT_UUID_SEC_SERVICE;
p_sreg->s_hdl = p_list->asgn_range.s_handle;
p_sreg->e_hdl = p_list->asgn_range.e_handle;
p_sreg->p_db = &p_list->svc_db;
GATT_TRACE_DEBUG ("total GKI buffer in db [%d]",p_sreg->p_db->svc_buffer.count);
break;
}
}
return ii;
}
/*******************************************************************************
**
** Function gatt_sr_get_sec_info
**
** Description Get the security flag and key size information for the peer
** device.
**
** Returns void
**
*******************************************************************************/
void gatt_sr_get_sec_info(BD_ADDR rem_bda, tBT_TRANSPORT transport, UINT8 *p_sec_flag, UINT8 *p_key_size)
{
UINT8 sec_flag = 0;
BTM_GetSecurityFlagsByTransport(rem_bda, &sec_flag, transport);
sec_flag &= (GATT_SEC_FLAG_LKEY_UNAUTHED | GATT_SEC_FLAG_LKEY_AUTHED | GATT_SEC_FLAG_ENCRYPTED);
*p_key_size = btm_ble_read_sec_key_size(rem_bda);
*p_sec_flag = sec_flag;
}
/*******************************************************************************
**
** Function gatt_sr_send_req_callback
**
** Description
**
**
** Returns void
**
*******************************************************************************/
void gatt_sr_send_req_callback(UINT16 conn_id,
UINT32 trans_id,
tGATTS_REQ_TYPE type, tGATTS_DATA *p_data)
{
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
if (!p_reg )
{
GATT_TRACE_ERROR ("p_reg not found discard request");
return;
}
if ( p_reg->in_use &&
p_reg->app_cb.p_req_cb)
{
(*p_reg->app_cb.p_req_cb)(conn_id, trans_id, type, p_data);
}
else
{
GATT_TRACE_WARNING("Call back not found for application conn_id=%d", conn_id);
}
}
/*******************************************************************************
**
** Function gatt_send_error_rsp
**
** Description This function sends an error response.
**
** Returns void
**
*******************************************************************************/
tGATT_STATUS gatt_send_error_rsp (tGATT_TCB *p_tcb, UINT8 err_code, UINT8 op_code,
UINT16 handle, BOOLEAN deq)
{
tGATT_ERROR error;
tGATT_STATUS status;
BT_HDR *p_buf;
error.cmd_code = op_code;
error.reason = err_code;
error.handle =handle;
if ((p_buf = attp_build_sr_msg(p_tcb, GATT_RSP_ERROR, (tGATT_SR_MSG *)&error)) != NULL)
{
status = attp_send_sr_msg (p_tcb, p_buf);
}
else
status = GATT_INSUF_RESOURCE;
if (deq)
gatt_dequeue_sr_cmd(p_tcb);
return status;
}
/*******************************************************************************
**
** Function gatt_add_sdp_record
**
** Description This function add a SDP record for a GATT primary service
**
** Returns 0 if error else sdp handle for the record.
**
*******************************************************************************/
UINT32 gatt_add_sdp_record (tBT_UUID *p_uuid, UINT16 start_hdl, UINT16 end_hdl)
{
tSDP_PROTOCOL_ELEM proto_elem_list[2];
UINT32 sdp_handle;
UINT16 list = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
UINT8 buff[60];
UINT8 *p = buff;
GATT_TRACE_DEBUG("gatt_add_sdp_record s_hdl=0x%x s_hdl=0x%x",start_hdl, end_hdl);
if ((sdp_handle = SDP_CreateRecord()) == 0)
return 0;
switch (p_uuid->len)
{
case LEN_UUID_16:
SDP_AddServiceClassIdList(sdp_handle, 1, &p_uuid->uu.uuid16);
break;
case LEN_UUID_32:
UINT8_TO_BE_STREAM (p, (UUID_DESC_TYPE << 3) | SIZE_FOUR_BYTES);
UINT32_TO_BE_STREAM (p, p_uuid->uu.uuid32);
SDP_AddAttribute (sdp_handle, ATTR_ID_SERVICE_CLASS_ID_LIST, DATA_ELE_SEQ_DESC_TYPE,
(UINT32) (p - buff), buff);
break;
case LEN_UUID_128:
UINT8_TO_BE_STREAM (p, (UUID_DESC_TYPE << 3) | SIZE_SIXTEEN_BYTES);
ARRAY_TO_BE_STREAM (p, p_uuid->uu.uuid128, LEN_UUID_128);
SDP_AddAttribute (sdp_handle, ATTR_ID_SERVICE_CLASS_ID_LIST, DATA_ELE_SEQ_DESC_TYPE,
(UINT32) (p - buff), buff);
break;
default:
GATT_TRACE_ERROR("inavlid UUID len=%d", p_uuid->len);
SDP_DeleteRecord(sdp_handle);
return 0;
break;
}
/*** Fill out the protocol element sequence for SDP ***/
proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
proto_elem_list[0].num_params = 1;
proto_elem_list[0].params[0] = BT_PSM_ATT;
proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_ATT;
proto_elem_list[1].num_params = 2;
proto_elem_list[1].params[0] = start_hdl;
proto_elem_list[1].params[1] = end_hdl;
SDP_AddProtocolList(sdp_handle, 2, proto_elem_list);
/* Make the service browseable */
SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &list);
return(sdp_handle);
}
#if GATT_CONFORMANCE_TESTING == TRUE
/*******************************************************************************
**
** Function gatt_set_err_rsp
**
** Description This function is called to set the test confirm value
**
** Returns void
**
*******************************************************************************/
void gatt_set_err_rsp(BOOLEAN enable, UINT8 req_op_code, UINT8 err_status)
{
GATT_TRACE_DEBUG("gatt_set_err_rsp enable=%d op_code=%d, err_status=%d", enable, req_op_code, err_status);
gatt_cb.enable_err_rsp = enable;
gatt_cb.req_op_code = req_op_code;
gatt_cb.err_status = err_status;
}
#endif
/*******************************************************************************
**
** Function gatt_get_regcb
**
** Description The function returns the registration control block.
**
** Returns pointer to the registration control block or NULL
**
*******************************************************************************/
tGATT_REG *gatt_get_regcb (tGATT_IF gatt_if)
{
UINT8 ii = (UINT8)gatt_if;
tGATT_REG *p_reg = NULL;
if (ii)
{
ii--; /* convert from one based to zero based */
p_reg = &gatt_cb.cl_rcb[ii];
if ( (ii < GATT_MAX_APPS) && (p_reg->in_use) )
return(p_reg);
}
return NULL;
}
/*******************************************************************************
**
** Function gatt_is_clcb_allocated
**
** Description The function check clcb for conn_id is allocated or not
**
** Returns True already allocated
**
*******************************************************************************/
BOOLEAN gatt_is_clcb_allocated (UINT16 conn_id)
{
UINT8 i = 0;
BOOLEAN is_allocated= FALSE;
for (i = 0; i < GATT_CL_MAX_LCB; i++)
{
if (gatt_cb.clcb[i].in_use && (gatt_cb.clcb[i].conn_id == conn_id))
{
is_allocated = TRUE;
break;
}
}
return is_allocated;
}
/*******************************************************************************
**
** Function gatt_clcb_alloc
**
** Description The function allocates a GATT connection link control block
**
** Returns NULL if not found. Otherwise pointer to the connection link block.
**
*******************************************************************************/
tGATT_CLCB *gatt_clcb_alloc (UINT16 conn_id)
{
UINT8 i = 0;
tGATT_CLCB *p_clcb = NULL;
tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id);
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
for (i = 0; i < GATT_CL_MAX_LCB; i++)
{
if (!gatt_cb.clcb[i].in_use)
{
p_clcb = &gatt_cb.clcb[i];
p_clcb->in_use = TRUE;
p_clcb->conn_id = conn_id;
p_clcb->clcb_idx = i;
p_clcb->p_reg = p_reg;
p_clcb->p_tcb = p_tcb;
break;
}
}
return p_clcb;
}
/*******************************************************************************
**
** Function gatt_clcb_dealloc
**
** Description The function de allocates a GATT connection link control block
**
** Returns None
**
*******************************************************************************/
void gatt_clcb_dealloc (tGATT_CLCB *p_clcb)
{
if (p_clcb && p_clcb->in_use)
{
memset(p_clcb, 0, sizeof(tGATT_CLCB));
}
}
/*******************************************************************************
**
** Function gatt_find_tcb_by_cid
**
** Description The function searches for an empty entry
** in registration info table for GATT client
**
** Returns NULL if not found. Otherwise pointer to the rcb.
**
*******************************************************************************/
tGATT_TCB * gatt_find_tcb_by_cid (UINT16 lcid)
{
UINT16 xx = 0;
tGATT_TCB *p_tcb = NULL;
for (xx = 0; xx < GATT_MAX_PHY_CHANNEL; xx++)
{
if (gatt_cb.tcb[xx].in_use && gatt_cb.tcb[xx].att_lcid == lcid)
{
p_tcb = &gatt_cb.tcb[xx];
break;
}
}
return p_tcb;
}
/*******************************************************************************
**
** Function gatt_num_apps_hold_link
**
** Description The function find the number of applcaitions is holding the link
**
** Returns total number of applications holding this acl link.
**
*******************************************************************************/
UINT8 gatt_num_apps_hold_link(tGATT_TCB *p_tcb)
{
UINT8 i, num = 0;
for (i = 0; i < GATT_MAX_APPS; i ++)
{
if (p_tcb->app_hold_link[i])
num ++;
}
GATT_TRACE_DEBUG("gatt_num_apps_hold_link num=%d", num);
return num;
}
/*******************************************************************************
**
** Function gatt_num_clcb_by_bd_addr
**
** Description The function searches all LCB with macthing bd address
**
** Returns total number of clcb found.
**
*******************************************************************************/
UINT8 gatt_num_clcb_by_bd_addr(BD_ADDR bda)
{
UINT8 i, num = 0;
for (i = 0; i < GATT_CL_MAX_LCB; i ++)
{
if (gatt_cb.clcb[i].in_use && memcmp(gatt_cb.clcb[i].p_tcb->peer_bda, bda, BD_ADDR_LEN) == 0)
num ++;
}
return num;
}
/*******************************************************************************
**
** Function gatt_sr_update_cback_cnt
**
** Description The function searches all LCB with macthing bd address
**
** Returns total number of clcb found.
**
*******************************************************************************/
void gatt_sr_copy_prep_cnt_to_cback_cnt(tGATT_TCB *p_tcb )
{
UINT8 i;
if (p_tcb)
{
for (i = 0; i < GATT_MAX_APPS; i ++)
{
if (p_tcb->prep_cnt[i])
{
p_tcb->sr_cmd.cback_cnt[i]=1;
}
}
}
}
/*******************************************************************************
**
** Function gatt_sr_is_cback_cnt_zero
**
** Description The function searches all LCB with macthing bd address
**
** Returns True if thetotal application callback count is zero
**
*******************************************************************************/
BOOLEAN gatt_sr_is_cback_cnt_zero(tGATT_TCB *p_tcb )
{
BOOLEAN status = TRUE;
UINT8 i;
if (p_tcb)
{
for (i = 0; i < GATT_MAX_APPS; i ++)
{
if (p_tcb->sr_cmd.cback_cnt[i])
{
status = FALSE;
break;
}
}
}
else
{
status = FALSE;
}
return status;
}
/*******************************************************************************
**
** Function gatt_sr_is_prep_cnt_zero
**
** Description Check the prepare write request count is zero or not
**
** Returns True no prepare write request
**
*******************************************************************************/
BOOLEAN gatt_sr_is_prep_cnt_zero(tGATT_TCB *p_tcb)
{
BOOLEAN status = TRUE;
UINT8 i;
if (p_tcb)
{
for (i = 0; i < GATT_MAX_APPS; i ++)
{
if (p_tcb->prep_cnt[i])
{
status = FALSE;
break;
}
}
}
else
{
status = FALSE;
}
return status;
}
/*******************************************************************************
**
** Function gatt_sr_reset_cback_cnt
**
** Description Reset the application callback count to zero
**
** Returns None
**
*******************************************************************************/
void gatt_sr_reset_cback_cnt(tGATT_TCB *p_tcb )
{
UINT8 i;
if (p_tcb)
{
for (i = 0; i < GATT_MAX_APPS; i ++)
{
p_tcb->sr_cmd.cback_cnt[i]=0;
}
}
}
/*******************************************************************************
**
** Function gatt_sr_reset_prep_cnt
**
** Description Reset the prep write count to zero
**
** Returns None
**
*******************************************************************************/
void gatt_sr_reset_prep_cnt(tGATT_TCB *p_tcb )
{
UINT8 i;
if (p_tcb)
{
for (i = 0; i < GATT_MAX_APPS; i ++)
{
p_tcb->prep_cnt[i]=0;
}
}
}
/*******************************************************************************
**
** Function gatt_sr_update_cback_cnt
**
** Description Update the teh applicaiton callback count
**
** Returns None
**
*******************************************************************************/
void gatt_sr_update_cback_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first)
{
UINT8 idx = ((UINT8) gatt_if) - 1 ;
if (p_tcb)
{
if (is_reset_first)
{
gatt_sr_reset_cback_cnt(p_tcb);
}
if (is_inc)
{
p_tcb->sr_cmd.cback_cnt[idx]++;
}
else
{
if ( p_tcb->sr_cmd.cback_cnt[idx])
{
p_tcb->sr_cmd.cback_cnt[idx]--;
}
}
}
}
/*******************************************************************************
**
** Function gatt_sr_update_prep_cnt
**
** Description Update the teh prepare write request count
**
** Returns None
**
*******************************************************************************/
void gatt_sr_update_prep_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first)
{
UINT8 idx = ((UINT8) gatt_if) - 1 ;
GATT_TRACE_DEBUG("gatt_sr_update_prep_cnt tcb idx=%d gatt_if=%d is_inc=%d is_reset_first=%d",
p_tcb->tcb_idx, gatt_if, is_inc, is_reset_first);
if (p_tcb)
{
if (is_reset_first)
{
gatt_sr_reset_prep_cnt(p_tcb);
}
if (is_inc)
{
p_tcb->prep_cnt[idx]++;
}
else
{
if (p_tcb->prep_cnt[idx])
{
p_tcb->prep_cnt[idx]--;
}
}
}
}
/*******************************************************************************
**
** Function gatt_cancel_open
**
** Description Cancel open request
**
** Returns Boolean
**
*******************************************************************************/
BOOLEAN gatt_cancel_open(tGATT_IF gatt_if, BD_ADDR bda)
{
tGATT_TCB *p_tcb=NULL;
BOOLEAN status= TRUE;
p_tcb = gatt_find_tcb_by_addr(bda, BT_TRANSPORT_LE);
if (p_tcb)
{
if (gatt_get_ch_state(p_tcb) == GATT_CH_OPEN)
{
GATT_TRACE_ERROR("GATT_CancelConnect - link connected Too late to cancel");
status = FALSE;
}
else
{
gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE);
if (!gatt_num_apps_hold_link(p_tcb))
{
gatt_disconnect(p_tcb);
}
}
}
return status;
}
/*******************************************************************************
**
** Function gatt_find_app_hold_link
**
** Description find the applicaiton that is holding the specified link
**
** Returns Boolean
**
*******************************************************************************/
BOOLEAN gatt_find_app_hold_link(tGATT_TCB *p_tcb, UINT8 start_idx, UINT8 *p_found_idx, tGATT_IF *p_gatt_if)
{
UINT8 i;
BOOLEAN found= FALSE;
for (i = start_idx; i < GATT_MAX_APPS; i ++)
{
if (p_tcb->app_hold_link[i])
{
*p_gatt_if = gatt_cb.clcb[i].p_reg->gatt_if;
*p_found_idx = i;
found = TRUE;
break;
}
}
return found;
}
/*******************************************************************************
**
** Function gatt_cmd_enq
**
** Description Enqueue this command.
**
** Returns None.
**
*******************************************************************************/
BOOLEAN gatt_cmd_enq(tGATT_TCB *p_tcb, UINT16 clcb_idx, BOOLEAN to_send, UINT8 op_code, BT_HDR *p_buf)
{
tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->next_slot_inq];
p_cmd->to_send = to_send; /* waiting to be sent */
p_cmd->op_code = op_code;
p_cmd->p_cmd = p_buf;
p_cmd->clcb_idx = clcb_idx;
if (!to_send)
{
p_tcb->pending_cl_req = p_tcb->next_slot_inq;
}
p_tcb->next_slot_inq ++;
p_tcb->next_slot_inq %= GATT_CL_MAX_LCB;
return TRUE;
}
/*******************************************************************************
**
** Function gatt_cmd_dequeue
**
** Description dequeue the command in the client CCB command queue.
**
** Returns total number of clcb found.
**
*******************************************************************************/
tGATT_CLCB * gatt_cmd_dequeue(tGATT_TCB *p_tcb, UINT8 *p_op_code)
{
tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
tGATT_CLCB *p_clcb = NULL;
if (p_tcb->pending_cl_req != p_tcb->next_slot_inq)
{
p_clcb = &gatt_cb.clcb[p_cmd->clcb_idx];
*p_op_code = p_cmd->op_code;
p_tcb->pending_cl_req ++;
p_tcb->pending_cl_req %= GATT_CL_MAX_LCB;
}
return p_clcb;
}
/*******************************************************************************
**
** Function gatt_send_write_msg
**
** Description This real function send out the ATT message for write.
**
** Returns status code
**
*******************************************************************************/
UINT8 gatt_send_write_msg (tGATT_TCB *p_tcb, UINT16 clcb_idx, UINT8 op_code,
UINT16 handle, UINT16 len,
UINT16 offset, UINT8 *p_data)
{
tGATT_CL_MSG msg;
msg.attr_value.handle = handle;
msg.attr_value.len = len;
msg.attr_value.offset = offset;
memcpy (msg.attr_value.value, p_data, len);
/* write by handle */
return attp_send_cl_msg(p_tcb, clcb_idx, op_code, &msg);
}
/*******************************************************************************
**
** Function gatt_act_send_browse
**
** Description This function ends a browse command request, including read
** information request and read by type request.
**
** Returns status code
**
*******************************************************************************/
UINT8 gatt_act_send_browse(tGATT_TCB *p_tcb, UINT16 index, UINT8 op, UINT16 s_handle,
UINT16 e_handle, tBT_UUID uuid)
{
tGATT_CL_MSG msg;
msg.browse.s_handle = s_handle;
msg.browse.e_handle = e_handle;
memcpy(&msg.browse.uuid, &uuid, sizeof(tBT_UUID));
/* write by handle */
return attp_send_cl_msg(p_tcb, index, op, &msg);
}
/*******************************************************************************
**
** Function gatt_end_operation
**
** Description This function ends a discovery, send callback and finalize
** some control value.
**
** Returns 16 bits uuid.
**
*******************************************************************************/
void gatt_end_operation(tGATT_CLCB *p_clcb, tGATT_STATUS status, void *p_data)
{
tGATT_CL_COMPLETE cb_data;
tGATT_CMPL_CBACK *p_cmpl_cb = (p_clcb->p_reg) ? p_clcb->p_reg->app_cb.p_cmpl_cb : NULL;
UINT8 op = p_clcb->operation, disc_type=GATT_DISC_MAX;
tGATT_DISC_CMPL_CB *p_disc_cmpl_cb = (p_clcb->p_reg) ? p_clcb->p_reg->app_cb.p_disc_cmpl_cb : NULL;
UINT16 conn_id;
UINT8 operation;
GATT_TRACE_DEBUG ("gatt_end_operation status=%d op=%d subtype=%d",
status, p_clcb->operation, p_clcb->op_subtype);
if (p_cmpl_cb != NULL && p_clcb->operation != 0)
{
if (p_clcb->operation == GATTC_OPTYPE_READ)
{
memset(&cb_data.att_value, 0, sizeof(tGATT_VALUE));
cb_data.att_value.handle = p_clcb->s_handle;
cb_data.att_value.len = p_clcb->counter;
if (p_data)
memcpy (cb_data.att_value.value, p_data, cb_data.att_value.len);
}
if (p_clcb->operation == GATTC_OPTYPE_WRITE)
{
memset(&cb_data.att_value, 0, sizeof(tGATT_VALUE));
cb_data.handle =
cb_data.att_value.handle = p_clcb->s_handle;
if (p_clcb->op_subtype == GATT_WRITE_PREPARE)
{
if (p_data)
{
cb_data.att_value = *((tGATT_VALUE *) p_data);
}
else
{
GATT_TRACE_DEBUG("Rcv Prepare write rsp but no data");
}
}
}
if (p_clcb->operation == GATTC_OPTYPE_CONFIG)
cb_data.mtu = p_clcb->p_tcb->payload_size;
if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY)
{
disc_type = p_clcb->op_subtype;
}
}
if (p_clcb->p_attr_buf)
{
GKI_freebuf(p_clcb->p_attr_buf);
}
operation = p_clcb->operation;
conn_id = p_clcb->conn_id;
btu_stop_timer(&p_clcb->rsp_timer_ent);
gatt_clcb_dealloc(p_clcb);
if (p_disc_cmpl_cb && (op == GATTC_OPTYPE_DISCOVERY))
(*p_disc_cmpl_cb)(conn_id, disc_type, status);
else if (p_cmpl_cb && op)
(*p_cmpl_cb)(conn_id, op, status, &cb_data);
else
GATT_TRACE_WARNING ("gatt_end_operation not sent out op=%d p_disc_cmpl_cb:%p p_cmpl_cb:%p",
operation, p_disc_cmpl_cb, p_cmpl_cb);
}
/*******************************************************************************
**
** Function gatt_cleanup_upon_disc
**
** Description This function cleans up the control blocks when L2CAP channel
** disconnect.
**
** Returns 16 bits uuid.
**
*******************************************************************************/
void gatt_cleanup_upon_disc(BD_ADDR bda, UINT16 reason, tBT_TRANSPORT transport)
{
tGATT_TCB *p_tcb = NULL;
tGATT_CLCB *p_clcb;
UINT8 i;
UINT16 conn_id;
tGATT_REG *p_reg=NULL;
GATT_TRACE_DEBUG ("gatt_cleanup_upon_disc ");
if ((p_tcb = gatt_find_tcb_by_addr(bda, transport)) != NULL)
{
GATT_TRACE_DEBUG ("found p_tcb ");
gatt_set_ch_state(p_tcb, GATT_CH_CLOSE);
for (i = 0; i < GATT_CL_MAX_LCB; i ++)
{
p_clcb = &gatt_cb.clcb[i];
if (p_clcb->in_use && p_clcb->p_tcb == p_tcb)
{
btu_stop_timer(&p_clcb->rsp_timer_ent);
GATT_TRACE_DEBUG ("found p_clcb conn_id=%d clcb_idx=%d", p_clcb->conn_id, p_clcb->clcb_idx);
if (p_clcb->operation != GATTC_OPTYPE_NONE)
gatt_end_operation(p_clcb, GATT_ERROR, NULL);
gatt_clcb_dealloc(p_clcb);
}
}
btu_stop_timer (&p_tcb->ind_ack_timer_ent);
btu_stop_timer (&p_tcb->conf_timer_ent);
gatt_free_pending_ind(p_tcb);
gatt_free_pending_enc_queue(p_tcb);
for (i = 0; i < GATT_MAX_APPS; i ++)
{
p_reg = &gatt_cb.cl_rcb[i];
if (p_reg->in_use && p_reg->app_cb.p_conn_cb)
{
conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_reg->gatt_if);
GATT_TRACE_DEBUG ("found p_reg tcb_idx=%d gatt_if=%d conn_id=0x%x", p_tcb->tcb_idx, p_reg->gatt_if, conn_id);
(*p_reg->app_cb.p_conn_cb)(p_reg->gatt_if, bda, conn_id, FALSE, reason, transport);
}
}
memset(p_tcb, 0, sizeof(tGATT_TCB));
}
GATT_TRACE_DEBUG ("exit gatt_cleanup_upon_disc ");
}
/*******************************************************************************
**
** Function gatt_dbg_req_op_name
**
** Description Get op code description name, for debug information.
**
** Returns UINT8 *: name of the operation.
**
*******************************************************************************/
UINT8 * gatt_dbg_op_name(UINT8 op_code)
{
UINT8 pseduo_op_code_idx = op_code & (~GATT_WRITE_CMD_MASK);
if (op_code == GATT_CMD_WRITE )
{
pseduo_op_code_idx = 0x14; /* just an index to op_code_name */
}
if (op_code == GATT_SIGN_CMD_WRITE)
{
pseduo_op_code_idx = 0x15; /* just an index to op_code_name */
}
if (pseduo_op_code_idx <= GATT_OP_CODE_MAX)
return(UINT8*) op_code_name[pseduo_op_code_idx];
else
return(UINT8 *)"Op Code Exceed Max";
}
/*******************************************************************************
**
** Function gatt_dbg_display_uuid
**
** Description Disaplay the UUID
**
** Returns None
**
*******************************************************************************/
void gatt_dbg_display_uuid(tBT_UUID bt_uuid)
{
char str_buf[50];
int x = 0;
if (bt_uuid.len == LEN_UUID_16)
{
sprintf(str_buf, "0x%04x", bt_uuid.uu.uuid16);
}
else if (bt_uuid.len == LEN_UUID_32)
{
sprintf(str_buf, "0x%08x", (unsigned int)bt_uuid.uu.uuid32);
}
else if (bt_uuid.len == LEN_UUID_128)
{
x += sprintf(&str_buf[x], "0x%02x%02x%02x%02x%02x%02x%02x%02x",
bt_uuid.uu.uuid128[15], bt_uuid.uu.uuid128[14],
bt_uuid.uu.uuid128[13], bt_uuid.uu.uuid128[12],
bt_uuid.uu.uuid128[11], bt_uuid.uu.uuid128[10],
bt_uuid.uu.uuid128[9], bt_uuid.uu.uuid128[8]);
sprintf(&str_buf[x], "%02x%02x%02x%02x%02x%02x%02x%02x",
bt_uuid.uu.uuid128[7], bt_uuid.uu.uuid128[6],
bt_uuid.uu.uuid128[5], bt_uuid.uu.uuid128[4],
bt_uuid.uu.uuid128[3], bt_uuid.uu.uuid128[2],
bt_uuid.uu.uuid128[1], bt_uuid.uu.uuid128[0]);
}
else
BCM_STRNCPY_S(str_buf, sizeof(str_buf), "Unknown UUID 0", 15);
GATT_TRACE_DEBUG ("UUID=[%s]", str_buf);
}
/*******************************************************************************
**
** Function gatt_is_bg_dev_for_app
**
** Description find is this one of the background devices for the application
**
** Returns TRUE this is one of the background devices for the application
**
*******************************************************************************/
BOOLEAN gatt_is_bg_dev_for_app(tGATT_BG_CONN_DEV *p_dev, tGATT_IF gatt_if)
{
UINT8 i;
for (i = 0; i < GATT_MAX_APPS; i ++ )
{
if (p_dev->in_use && (p_dev->gatt_if[i] == gatt_if))
{
return TRUE;
}
}
return FALSE;
}
/*******************************************************************************
**
** Function gatt_find_bg_dev
**
** Description find background connection device from the list.
**
** Returns pointer to the device record
**
*******************************************************************************/
tGATT_BG_CONN_DEV * gatt_find_bg_dev(BD_ADDR remote_bda)
{
tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0];
UINT8 i;
for (i = 0; i < GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++)
{
if (p_dev_list->in_use && !memcmp(p_dev_list->remote_bda, remote_bda, BD_ADDR_LEN))
{
return p_dev_list;
}
}
return NULL;
}
/*******************************************************************************
**
** Function gatt_alloc_bg_dev
**
** Description allocate a background connection device record
**
** Returns pointer to the device record
**
*******************************************************************************/
tGATT_BG_CONN_DEV * gatt_alloc_bg_dev(BD_ADDR remote_bda)
{
tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0];
UINT8 i;
for (i = 0; i < GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++)
{
if (!p_dev_list->in_use)
{
p_dev_list->in_use = TRUE;
memcpy(p_dev_list->remote_bda, remote_bda, BD_ADDR_LEN);
return p_dev_list;
}
}
return NULL;
}
/*******************************************************************************
**
** Function gatt_add_bg_dev_list
**
** Description add/remove device from the back ground connection device list
**
** Returns TRUE if device added to the list; FALSE failed
**
*******************************************************************************/
BOOLEAN gatt_add_bg_dev_list(tGATT_REG *p_reg, BD_ADDR bd_addr, BOOLEAN is_initator)
{
tGATT_IF gatt_if = p_reg->gatt_if;
tGATT_BG_CONN_DEV *p_dev = NULL;
UINT8 i;
BOOLEAN ret = FALSE;
if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL)
{
p_dev = gatt_alloc_bg_dev(bd_addr);
}
if (p_dev)
{
for (i = 0; i < GATT_MAX_APPS; i ++)
{
if (is_initator)
{
if (p_dev->gatt_if[i] == gatt_if)
{
GATT_TRACE_ERROR("device already in iniator white list");
return TRUE;
}
else if (p_dev->gatt_if[i] == 0)
{
p_dev->gatt_if[i] = gatt_if;
if (i == 0)
ret = BTM_BleUpdateBgConnDev(TRUE, bd_addr);
else
ret = TRUE;
break;
}
}
else
{
if (p_dev->listen_gif[i] == gatt_if)
{
GATT_TRACE_ERROR("device already in adv white list");
return TRUE;
}
else if (p_dev->listen_gif[i] == 0)
{
if (p_reg->listening == GATT_LISTEN_TO_ALL)
p_reg->listening = GATT_LISTEN_TO_NONE;
p_reg->listening ++;
p_dev->listen_gif[i] = gatt_if;
if (i == 0)
ret = BTM_BleUpdateAdvWhitelist(TRUE, bd_addr);
else
ret = TRUE;
break;
}
}
}
}
else
{
GATT_TRACE_ERROR("no device record available");
}
return ret;
}
/*******************************************************************************
**
** Function gatt_remove_bg_dev_for_app
**
** Description Remove the application interface for the specified background device
**
** Returns Boolean
**
*******************************************************************************/
BOOLEAN gatt_remove_bg_dev_for_app(tGATT_IF gatt_if, BD_ADDR bd_addr)
{
tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE);
BOOLEAN status;
if (p_tcb)
gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE);
status = gatt_update_auto_connect_dev(gatt_if, FALSE, bd_addr, TRUE);
return status;
}
/*******************************************************************************
**
** Function gatt_get_num_apps_for_bg_dev
**
** Description Gte the number of applciations for the specified background device
**
** Returns UINT8 total number fo applications
**
*******************************************************************************/
UINT8 gatt_get_num_apps_for_bg_dev(BD_ADDR bd_addr)
{
tGATT_BG_CONN_DEV *p_dev = NULL;
UINT8 i;
UINT8 cnt = 0;
if ((p_dev = gatt_find_bg_dev(bd_addr)) != NULL)
{
for (i = 0; i < GATT_MAX_APPS; i ++)
{
if (p_dev->gatt_if[i])
cnt++;
}
}
return cnt;
}
/*******************************************************************************
**
** Function gatt_find_app_for_bg_dev
**
** Description find the application interface for the specified background device
**
** Returns Boolean
**
*******************************************************************************/
BOOLEAN gatt_find_app_for_bg_dev(BD_ADDR bd_addr, tGATT_IF *p_gatt_if)
{
tGATT_BG_CONN_DEV *p_dev = NULL;
UINT8 i;
BOOLEAN ret = FALSE;
if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL)
{
return ret;
}
for (i = 0; i < GATT_MAX_APPS; i ++)
{
if (p_dev->gatt_if[i] != 0 )
{
*p_gatt_if = p_dev->gatt_if[i];
ret = TRUE;
break;
}
}
return ret;
}
/*******************************************************************************
**
** Function gatt_remove_bg_dev_from_list
**
** Description add/remove device from the back ground connection device list or
** listening to advertising list.
**
** Returns pointer to the device record
**
*******************************************************************************/
BOOLEAN gatt_remove_bg_dev_from_list(tGATT_REG *p_reg, BD_ADDR bd_addr, BOOLEAN is_initiator)
{
tGATT_IF gatt_if = p_reg->gatt_if;
tGATT_BG_CONN_DEV *p_dev = NULL;
UINT8 i, j;
BOOLEAN ret = FALSE;
if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL)
{
return ret;
}
for (i = 0; i < GATT_MAX_APPS && (p_dev->gatt_if[i] > 0 || p_dev->listen_gif[i]); i ++)
{
if (is_initiator)
{
if (p_dev->gatt_if[i] == gatt_if)
{
p_dev->gatt_if[i] = 0;
/* move all element behind one forward */
for (j = i + 1; j < GATT_MAX_APPS; j ++)
p_dev->gatt_if[j - 1] = p_dev->gatt_if[j];
if (p_dev->gatt_if[0] == 0)
ret = BTM_BleUpdateBgConnDev(FALSE, p_dev->remote_bda);
else
ret = TRUE;
break;
}
}
else
{
if (p_dev->listen_gif[i] == gatt_if)
{
p_dev->listen_gif[i] = 0;
p_reg->listening --;
/* move all element behind one forward */
for (j = i + 1; j < GATT_MAX_APPS; j ++)
p_dev->listen_gif[j - 1] = p_dev->listen_gif[j];
if (p_dev->listen_gif[0] == 0)
ret = BTM_BleUpdateAdvWhitelist(FALSE, p_dev->remote_bda);
else
ret = TRUE;
break;
}
}
}
if (i != GATT_MAX_APPS && p_dev->gatt_if[0] == 0 && p_dev->listen_gif[0] == 0)
{
memset(p_dev, 0, sizeof(tGATT_BG_CONN_DEV));
}
return ret;
}
/*******************************************************************************
**
** Function gatt_deregister_bgdev_list
**
** Description deregister all related back ground connetion device.
**
** Returns pointer to the device record
**
*******************************************************************************/
void gatt_deregister_bgdev_list(tGATT_IF gatt_if)
{
tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0];
UINT8 i , j, k;
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
/* update the BG conn device list */
for (i = 0 ; i <GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++ )
{
if (p_dev_list->in_use)
{
for (j = 0; j < GATT_MAX_APPS; j ++)
{
if (p_dev_list->gatt_if[j] == 0 && p_dev_list->listen_gif[j] == 0)
break;
if (p_dev_list->gatt_if[j] == gatt_if)
{
for (k = j + 1; k < GATT_MAX_APPS; k ++)
p_dev_list->gatt_if[k - 1] = p_dev_list->gatt_if[k];
if (p_dev_list->gatt_if[0] == 0)
BTM_BleUpdateBgConnDev(FALSE, p_dev_list->remote_bda);
}
if (p_dev_list->listen_gif[j] == gatt_if)
{
p_dev_list->listen_gif[j] = 0;
if (p_reg != NULL && p_reg->listening > 0)
p_reg->listening --;
/* move all element behind one forward */
for (k = j + 1; k < GATT_MAX_APPS; k ++)
p_dev_list->listen_gif[k - 1] = p_dev_list->listen_gif[k];
if (p_dev_list->listen_gif[0] == 0)
BTM_BleUpdateAdvWhitelist(FALSE, p_dev_list->remote_bda);
}
}
}
}
}
/*******************************************************************************
**
** Function gatt_reset_bgdev_list
**
** Description reset bg device list
**
** Returns pointer to the device record
**
*******************************************************************************/
void gatt_reset_bgdev_list(void)
{
memset(&gatt_cb.bgconn_dev, 0 , sizeof(tGATT_BG_CONN_DEV)*GATT_MAX_BG_CONN_DEV);
}
/*******************************************************************************
**
** Function gatt_update_auto_connect_dev
**
** Description This function add or remove a device for background connection
** procedure.
**
** Parameters gatt_if: Application ID.
** add: add peer device
** bd_addr: peer device address.
**
** Returns TRUE if connection started; FALSE if connection start failure.
**
*******************************************************************************/
BOOLEAN gatt_update_auto_connect_dev (tGATT_IF gatt_if, BOOLEAN add, BD_ADDR bd_addr, BOOLEAN is_initator)
{
BOOLEAN ret = FALSE;
tGATT_REG *p_reg;
tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE);
GATT_TRACE_API ("gatt_update_auto_connect_dev ");
/* Make sure app is registered */
if ((p_reg = gatt_get_regcb(gatt_if)) == NULL)
{
GATT_TRACE_ERROR("gatt_update_auto_connect_dev - gatt_if is not registered", gatt_if);
return(FALSE);
}
if (add)
{
ret = gatt_add_bg_dev_list(p_reg, bd_addr, is_initator);
if (ret && p_tcb != NULL)
{
/* if a connected device, update the link holding number */
gatt_update_app_use_link_flag(gatt_if, p_tcb, TRUE, TRUE);
}
}
else
{
ret = gatt_remove_bg_dev_from_list(p_reg, bd_addr, is_initator);
}
return ret;
}
/*******************************************************************************
**
** Function gatt_add_pending_new_srv_start
**
** Description Add a pending new srv start to the new service start queue
**
** Returns Pointer to the new service start buffer, NULL no buffer available
**
*******************************************************************************/
tGATT_PENDING_ENC_CLCB* gatt_add_pending_enc_channel_clcb(tGATT_TCB *p_tcb, tGATT_CLCB *p_clcb )
{
tGATT_PENDING_ENC_CLCB *p_buf;
GATT_TRACE_DEBUG ("gatt_add_pending_new_srv_start");
if ((p_buf = (tGATT_PENDING_ENC_CLCB *)GKI_getbuf((UINT16)sizeof(tGATT_PENDING_ENC_CLCB))) != NULL)
{
GATT_TRACE_DEBUG ("enqueue a new pending encryption channel clcb");
p_buf->p_clcb = p_clcb;
GKI_enqueue (&p_tcb->pending_enc_clcb, p_buf);
}
return p_buf;
}
/*******************************************************************************
**
** Function gatt_update_listen_mode
**
** Description update peripheral role listening mode
**
** Returns Pointer to the new service start buffer, NULL no buffer available
**
*******************************************************************************/
BOOLEAN gatt_update_listen_mode(void)
{
UINT8 ii = 0;
tGATT_REG *p_reg = &gatt_cb.cl_rcb[0];
UINT8 listening = 0;
UINT16 connectability, window, interval;
BOOLEAN rt = TRUE;
for (; ii < GATT_MAX_APPS; ii ++, p_reg ++)
{
if ( p_reg->in_use && p_reg->listening > listening)
{
listening = p_reg->listening;
}
}
if (listening == GATT_LISTEN_TO_ALL ||
listening == GATT_LISTEN_TO_NONE)
BTM_BleUpdateAdvFilterPolicy (AP_SCAN_CONN_ALL);
else
BTM_BleUpdateAdvFilterPolicy (AP_SCAN_CONN_WL);
if (rt)
{
connectability = BTM_ReadConnectability (&window, &interval);
if (listening != GATT_LISTEN_TO_NONE)
{
connectability |= BTM_BLE_CONNECTABLE;
}
else
{
if ((connectability & BTM_BLE_CONNECTABLE) == 0)
connectability &= ~BTM_BLE_CONNECTABLE;
}
/* turning on the adv now */
btm_ble_set_connectability(connectability);
}
return rt;
}
#endif