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bt component: Fix memory leak while using gatt server

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- fix memory leak while creating attribute table
- fix memory leak while deleting service
This commit is contained in:
island 2017-04-12 11:09:55 +08:00
parent 3cad00fdcc
commit f688309b3a
8 changed files with 78 additions and 4 deletions
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26
components/bt/bluedroid/btc/profile/std/gatt/btc_gatts.c
View file

@ -166,6 +166,31 @@ void btc_gatts_arg_deep_free(btc_msg_t *msg)
}
break;
}
case BTC_GATTS_ACT_ADD_CHAR:{
if (arg->add_char.char_val.attr_value != NULL) {
GKI_freebuf(arg->add_char.char_val.attr_value);
}
break;
}
case BTC_GATTS_ACT_ADD_CHAR_DESCR:{
if (arg->add_descr.descr_val.attr_value != NULL){
GKI_freebuf(arg->add_descr.descr_val.attr_value);
}
break;
}
case BTC_GATTS_ACT_CREATE_ATTR_TAB:{
if (arg->create_attr_tab.gatts_attr_db != NULL){
GKI_freebuf(arg->create_attr_tab.gatts_attr_db);
}
break;
}
case BTC_GATTS_ACT_SET_ATTR_VALUE:{
if (arg->set_attr_val.value != NULL){
GKI_freebuf(arg->set_attr_val.value);
}
}
break;
default:
LOG_DEBUG("%s Unhandled deep free %d\n", __func__, msg->act);
break;
@ -320,6 +345,7 @@ static void btc_gatts_act_create_attr_tab(esp_gatts_attr_db_t *gatts_attr_db,
break;
}
default:
future_free(future_p);
break;
}

4
components/bt/bluedroid/osi/future.c
View file

@ -23,7 +23,7 @@
#include "osi.h"
#include "osi_arch.h"
static void future_free(future_t *future);
void future_free(future_t *future);
future_t *future_new(void)
{
@ -85,7 +85,7 @@ void *future_await(future_t *future)
return result;
}
static void future_free(future_t *future)
void future_free(future_t *future)
{
if (!future) {
return;

2
components/bt/bluedroid/osi/include/future.h
View file

@ -49,4 +49,6 @@ void future_ready(future_t *future, void *value);
// Frees the future before return. |future| may not be NULL.
void *future_await(future_t *async_result);
//Free the future if this "future" is not used
void future_free(future_t *future);
#endif /* __FUTURE_H__ */

3
components/bt/bluedroid/stack/gatt/gatt_api.c
View file

@ -214,6 +214,7 @@ UINT16 GATTS_CreateService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid,
if (p_list) {
gatt_remove_an_item_from_list(p_list_info, p_list);
gatt_free_attr_value_buffer(p_list);
gatt_free_hdl_buffer(p_list);
}
return (0);
@ -227,6 +228,7 @@ UINT16 GATTS_CreateService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid,
GATT_TRACE_ERROR ("GATTS_ReserveHandles: service DB initialization failed\n");
if (p_list) {
gatt_remove_an_item_from_list(p_list_info, p_list);
gatt_free_attr_value_buffer(p_list);
gatt_free_hdl_buffer(p_list);
}
@ -413,6 +415,7 @@ BOOLEAN GATTS_DeleteService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid, UINT16 svc_
}
gatt_remove_an_item_from_list(p_list_info, p_list);
gatt_free_attr_value_buffer(p_list);
gatt_free_hdl_buffer(p_list);
return (TRUE);

8
components/bt/bluedroid/stack/gatt/gatt_db.c
View file

@ -529,6 +529,10 @@ UINT16 gatts_add_characteristic (tGATT_SVC_DB *p_db, tGATT_PERM perm,
GATT_TRACE_WARNING("Warning in %s, line=%d, insufficient resource to allocate for attribute value\n", __func__, __LINE__);
return 0;
}
else {
//add mask to indicate that p_value->attr_val.attr_val is dynamic allocated
p_char_val->mask |= GATT_ATTR_VALUE_ALLOCATED;
}
//initiate characteristic attribute value part
memset(p_char_val->p_value->attr_val.attr_val, 0, attr_val->attr_max_len);
@ -663,6 +667,10 @@ UINT16 gatts_add_char_descr (tGATT_SVC_DB *p_db, tGATT_PERM perm,
GATT_TRACE_WARNING("Warning in %s, line=%d, insufficient resource to allocate for descriptor value\n", __func__, __LINE__);
return 0;
}
else {
//add mask to indicate that p_value->attr_val.attr_val is dynamic allocated
p_char_dscptr->mask |= GATT_ATTR_VALUE_ALLOCATED;
}
//initiate characteristic attribute value part
memset(p_char_dscptr->p_value->attr_val.attr_val, 0, attr_val->attr_max_len);

31
components/bt/bluedroid/stack/gatt/gatt_utils.c
View file

@ -397,11 +397,38 @@ tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_app_id (tBT_UUID *p_app_uuid128,
}
/*******************************************************************************
**
** Function gatt_free_attr_value_buffer
**
** Description free characteristic attribute value buffer in a service
**
** Returns None
**
*******************************************************************************/
void gatt_free_attr_value_buffer(tGATT_HDL_LIST_ELEM *p)
{
if (p){
tGATT_SVC_DB *p_db = &(p->svc_db);
tGATT_ATTR16 *p_attr = p_db->p_attr_list;
tGATT_ATTR_VALUE *p_value = NULL;
while(p_attr){
if (p_attr->mask & GATT_ATTR_VALUE_ALLOCATED){
p_value = p_attr->p_value;
if ((p_value != NULL) && (p_value->attr_val.attr_val != NULL)){
GKI_freebuf(p_value->attr_val.attr_val);
}
}
p_attr = p_attr->p_next;
}
}
}
/*******************************************************************************
**
** Function gatt_free_hdl_buffer
**
** Description free a handle buffer
** Description free a handle buffer
**
** Returns None
** Returns None
**
*******************************************************************************/
void gatt_free_hdl_buffer(tGATT_HDL_LIST_ELEM *p)

4
components/bt/bluedroid/stack/gatt/include/gatt_int.h
View file

@ -185,6 +185,7 @@ typedef struct {
tGATT_ATTR_UUID_TYPE uuid_type;
tGATT_PERM permission;
tGATTS_ATTR_CONTROL control;
tGATT_ATTR_MASK mask;
UINT16 handle;
UINT16 uuid;
} tGATT_ATTR16;
@ -197,6 +198,7 @@ typedef struct {
tGATT_ATTR_UUID_TYPE uuid_type;
tGATT_PERM permission;
tGATTS_ATTR_CONTROL control;
tGATT_ATTR_MASK mask;
UINT16 handle;
UINT32 uuid;
} tGATT_ATTR32;
@ -210,6 +212,7 @@ typedef struct {
tGATT_ATTR_UUID_TYPE uuid_type;
tGATT_PERM permission;
tGATTS_ATTR_CONTROL control;
tGATT_ATTR_MASK mask;
UINT16 handle;
UINT8 uuid[LEN_UUID_128];
} tGATT_ATTR128;
@ -621,6 +624,7 @@ extern tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_handle(UINT16 handle);
extern tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_attr_handle(UINT16 attr_handle);
extern tGATT_HDL_LIST_ELEM *gatt_alloc_hdl_buffer(void);
extern void gatt_free_hdl_buffer(tGATT_HDL_LIST_ELEM *p);
extern void gatt_free_attr_value_buffer(tGATT_HDL_LIST_ELEM *p);
extern BOOLEAN gatt_is_last_attribute(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_start, tBT_UUID value);
extern void gatt_update_last_pri_srv_info(tGATT_SRV_LIST_INFO *p_list);
extern BOOLEAN gatt_add_a_srv_to_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_new);

4
components/bt/bluedroid/stack/include/gatt_api.h
View file

@ -326,6 +326,10 @@ typedef struct{
uint8_t auto_rsp;
}tGATTS_ATTR_CONTROL;
/* Mask for gatt server attribute */
#define GATT_ATTR_VALUE_ALLOCATED 0x01
typedef UINT8 tGATT_ATTR_MASK;
/* Union of the event data which is used in the server respond API to carry the server response information
*/
typedef union {