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https://github.com/espressif/esp-idf.git
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2217 lines
81 KiB
C
2217 lines
81 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2003-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This file contains the GATT client discovery procedures and cache
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* related functions.
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*
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******************************************************************************/
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#include "common/bt_target.h"
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#if defined(GATTC_INCLUDED) && (GATTC_INCLUDED == TRUE)
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//#if( defined GATTC_CACHE_NVS ) && (GATTC_CACHE_NVS == TRUE)
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#include <string.h>
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#include "bta/utl.h"
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#include "bta/bta_sys.h"
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#include "stack/sdp_api.h"
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#include "stack/sdpdefs.h"
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#include "bta_gattc_int.h"
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#include "stack/btm_api.h"
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#include "stack/btm_ble_api.h"
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#include "osi/allocator.h"
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#include "stack/l2c_api.h"
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#include "btm_int.h"
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#include "errno.h"
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// #include "osi/include/log.h"
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static void bta_gattc_char_dscpt_disc_cmpl(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb);
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extern void bta_to_btif_uuid(bt_uuid_t *p_dest, tBT_UUID *p_src);
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static size_t bta_gattc_get_db_size_with_type(list_t *services,
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bt_gatt_db_attribute_type_t type,
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tBT_UUID *char_uuid,
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UINT16 start_handle, UINT16 end_handle);
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static void bta_gattc_cache_write(BD_ADDR server_bda, UINT16 num_attr,
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tBTA_GATTC_NV_ATTR *attr);
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tBTA_GATTC_SERVICE* bta_gattc_find_matching_service(const list_t *services, UINT16 handle);
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tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle);
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tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle);
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void bta_gattc_fill_gatt_db_el(btgatt_db_element_t *p_attr,
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bt_gatt_db_attribute_type_t type,
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UINT16 att_handle,
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UINT16 s_handle, UINT16 e_handle,
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UINT16 id, tBT_UUID uuid, UINT8 prop);
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#if (SDP_INCLUDED == TRUE)
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static tBTA_GATT_STATUS bta_gattc_sdp_service_disc(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb);
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#define BTA_GATT_SDP_DB_SIZE 4096
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#endif ///SDP_INCLUDED == TRUE
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#define GATT_CACHE_PREFIX "/data/misc/bluetooth/gatt_cache_"
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#define GATT_CACHE_VERSION 2
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static void bta_gattc_generate_cache_file_name(char *buffer, BD_ADDR bda)
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{
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sprintf(buffer, "%s%02x%02x%02x%02x%02x%02x", GATT_CACHE_PREFIX,
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bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
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}
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/*****************************************************************************
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** Constants and data types
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*****************************************************************************/
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#if (SDP_INCLUDED == TRUE)
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typedef struct
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{
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tSDP_DISCOVERY_DB *p_sdp_db;
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UINT16 sdp_conn_id;
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} tBTA_GATTC_CB_DATA;
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#endif ///SDP_INCLUDED == TRUE
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#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
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static char *bta_gattc_attr_type[] = {
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"I", /* Included Service */
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"C", /* Characteristic */
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"D" /* Characteristic Descriptor */
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};
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/* utility functions */
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bool display_cache_attribute(void *data, void *context)
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{
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//tBTA_GATTC_CACHE_ATTR *p_attr = data;
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//APPL_TRACE_ERROR("\t Attr handle[%d] uuid[0x%04x] type[%s] prop[0x%1x]",
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// p_attr->handle, p_attr->uuid.uu.uuid16,
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// bta_gattc_attr_type[p_attr->attr_type], p_attr->property);
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return true;
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}
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bool display_cache_service(void *data, void *context)
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{
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tBTA_GATTC_SERVICE *p_cur_srvc = data;
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APPL_TRACE_API("Service: handle[%d ~ %d] %s[0x%04x] inst[%d]",
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p_cur_srvc->s_handle, p_cur_srvc->e_handle,
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((p_cur_srvc->uuid.len == 2) ? "uuid16" : "uuid128"),
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p_cur_srvc->uuid.uu.uuid16,
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p_cur_srvc->handle);
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if (p_cur_srvc->characteristics != NULL) {
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list_foreach(p_cur_srvc->characteristics, display_cache_attribute, NULL);
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}
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return true;
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}
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/*******************************************************************************
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**
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** Function bta_gattc_display_cache_server
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**
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** Description debug function to display the server cache.
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**
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** Returns none.
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**
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*******************************************************************************/
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static void bta_gattc_display_cache_server(list_t *p_cache)
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{
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APPL_TRACE_ERROR("<================Start Server Cache =============>");
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list_foreach(p_cache, display_cache_service, NULL);
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APPL_TRACE_ERROR("<================End Server Cache =============>");
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APPL_TRACE_ERROR(" ");
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}
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/*******************************************************************************
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**
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** Function bta_gattc_display_explore_record
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**
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** Description debug function to display the exploration list
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**
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** Returns none.
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**
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*******************************************************************************/
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static void bta_gattc_display_explore_record(tBTA_GATTC_ATTR_REC *p_rec, UINT8 num_rec)
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{
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UINT8 i;
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tBTA_GATTC_ATTR_REC *pp = p_rec;
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APPL_TRACE_ERROR("<================Start Explore Queue =============>");
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for (i = 0; i < num_rec; i ++, pp ++) {
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APPL_TRACE_ERROR("\t rec[%d] uuid[0x%04x] s_handle[%d] e_handle[%d] is_primary[%d]",
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i + 1, pp->uuid.uu.uuid16, pp->s_handle, pp->e_handle, pp->is_primary);
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}
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APPL_TRACE_ERROR("<================ End Explore Queue =============>");
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APPL_TRACE_ERROR(" ");
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}
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#endif /* BTA_GATT_DEBUG == TRUE */
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/*******************************************************************************
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**
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** Function bta_gattc_init_cache
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**
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** Description Initialize the database cache and discovery related resources.
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**
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** Returns status
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**
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*******************************************************************************/
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tBTA_GATT_STATUS bta_gattc_init_cache(tBTA_GATTC_SERV *p_srvc_cb)
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{
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if (p_srvc_cb->p_srvc_cache != NULL) {
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list_free(p_srvc_cb->p_srvc_cache);
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p_srvc_cb->p_srvc_cache = NULL;
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}
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osi_free(p_srvc_cb->p_srvc_list);
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if ((p_srvc_cb->p_srvc_list = (tBTA_GATTC_ATTR_REC *)osi_malloc(BTA_GATTC_ATTR_LIST_SIZE)) == NULL) {
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APPL_TRACE_DEBUG("No resources: GKI buffer allocation failed.");
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return BTA_GATT_NO_RESOURCES;
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} else {
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p_srvc_cb->total_srvc = 0;
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p_srvc_cb->cur_srvc_idx = 0;
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p_srvc_cb->cur_char_idx = 0;
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p_srvc_cb->next_avail_idx = 0;
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p_srvc_cb->total_attr = 0;
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}
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return BTA_GATT_OK;
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}
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static void characteristic_free(void *ptr)
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{
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tBTA_GATTC_CHARACTERISTIC *p_char = ptr;
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list_free(p_char->descriptors);
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osi_free(p_char);
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}
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static void service_free(void *ptr)
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{
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tBTA_GATTC_SERVICE *srvc = ptr;
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list_free(srvc->characteristics);
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list_free(srvc->included_svc);
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osi_free(srvc);
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}
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static void bta_gattc_free(void *ptr)
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{
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osi_free(ptr);
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}
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void bta_gattc_insert_sec_service_to_cache(list_t *services, tBTA_GATTC_SERVICE *p_new_srvc)
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{
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// services/p_new_srvc is NULL
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if (!services || !p_new_srvc) {
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APPL_TRACE_ERROR("%s services/p_new_srvc is NULL", __func__);
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return;
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}
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//list is empty
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if (list_is_empty(services)) {
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list_append(services, p_new_srvc);
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} else {
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//check the first service
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list_node_t *sn = list_begin(services);
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tBTA_GATTC_SERVICE *service = list_node(sn);
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if(service && p_new_srvc->e_handle < service->s_handle) {
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list_prepend(services, p_new_srvc);
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} else {
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for (list_node_t *sn = list_begin(services); sn != list_end(services); sn = list_next(sn)) {
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list_node_t *next_sn = list_next(sn);
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if(next_sn == list_end(services)) {
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list_append(services, p_new_srvc);
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return;
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}
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tBTA_GATTC_SERVICE *service = list_node(sn);
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tBTA_GATTC_SERVICE *next_service = list_node(next_sn);
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if (p_new_srvc->s_handle > service->e_handle && p_new_srvc->e_handle < next_service->s_handle) {
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list_insert_after(services, sn, p_new_srvc);
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return;
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}
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}
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}
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}
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}
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/*******************************************************************************
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**
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** Function bta_gattc_add_srvc_to_cache
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**
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** Description Add a service into database cache.
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**
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** Returns status
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**
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*******************************************************************************/
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static tBTA_GATT_STATUS bta_gattc_add_srvc_to_cache(tBTA_GATTC_SERV *p_srvc_cb,
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UINT16 s_handle, UINT16 e_handle,
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tBT_UUID *p_uuid,
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BOOLEAN is_primary)
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{
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#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
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APPL_TRACE_DEBUG("Add a service into Service");
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#endif
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tBTA_GATTC_SERVICE *p_new_srvc = osi_malloc(sizeof(tBTA_GATTC_SERVICE));
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if (!p_new_srvc) {
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APPL_TRACE_WARNING("%s(), no resource.", __func__);
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return BTA_GATT_NO_RESOURCES;
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}
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/* update service information */
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p_new_srvc->s_handle = s_handle;
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p_new_srvc->e_handle = e_handle;
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p_new_srvc->is_primary = is_primary;
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memcpy(&p_new_srvc->uuid, p_uuid, sizeof(tBT_UUID));
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p_new_srvc->handle = s_handle;
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p_new_srvc->characteristics = list_new(characteristic_free);
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p_new_srvc->included_svc = list_new(bta_gattc_free);
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if (p_srvc_cb->p_srvc_cache == NULL) {
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p_srvc_cb->p_srvc_cache = list_new(service_free);
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}
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if(!p_srvc_cb->p_srvc_cache) {
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APPL_TRACE_WARNING("%s(), no resource.", __func__);
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osi_free(p_new_srvc);
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return BTA_GATT_NO_RESOURCES;
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}
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if(is_primary) {
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list_append(p_srvc_cb->p_srvc_cache, p_new_srvc);
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} else {
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//add secondary service into list
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bta_gattc_insert_sec_service_to_cache(p_srvc_cb->p_srvc_cache, p_new_srvc);
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}
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return BTA_GATT_OK;
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}
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static tBTA_GATT_STATUS bta_gattc_add_char_to_cache(tBTA_GATTC_SERV *p_srvc_cb,
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UINT16 attr_handle,
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UINT16 value_handle,
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tBT_UUID *p_uuid,
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UINT8 property)
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{
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#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
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APPL_TRACE_DEBUG("%s: Add a characteristic into Service", __func__);
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APPL_TRACE_DEBUG("handle=%d uuid16=0x%x property=0x%x",
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value_handle, p_uuid->uu.uuid16, property);
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#endif
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tBTA_GATTC_SERVICE *service = bta_gattc_find_matching_service(p_srvc_cb->p_srvc_cache, attr_handle);
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if (!service) {
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APPL_TRACE_ERROR("Illegal action to add char/descr/incl srvc for non-existing service!");
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return GATT_WRONG_STATE;
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}
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/* TODO(jpawlowski): We should use attribute handle, not value handle to refer to characteristic.
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This is just a temporary workaround.
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*/
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if (service->e_handle < value_handle) {
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service->e_handle = value_handle;
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}
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tBTA_GATTC_CHARACTERISTIC *characteristic = osi_malloc(sizeof(tBTA_GATTC_CHARACTERISTIC));
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if (!characteristic) {
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APPL_TRACE_WARNING("%s(), no resource.", __func__);
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return BTA_GATT_NO_RESOURCES;
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}
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characteristic->handle = value_handle;
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characteristic->properties = property;
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characteristic->descriptors = list_new(bta_gattc_free);
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memcpy(&characteristic->uuid, p_uuid, sizeof(tBT_UUID));
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characteristic->service = service;
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list_append(service->characteristics, characteristic);
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return BTA_GATT_OK;
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}
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/*******************************************************************************
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**
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** Function bta_gattc_add_attr_to_cache
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**
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** Description Add an attribute into database cache buffer.
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**
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** Returns status
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**
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*******************************************************************************/
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static tBTA_GATT_STATUS bta_gattc_add_attr_to_cache(tBTA_GATTC_SERV *p_srvc_cb,
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UINT16 handle,
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tBT_UUID *p_uuid,
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UINT8 property,
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UINT16 incl_srvc_s_handle,
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UINT16 incl_srvc_e_handle,
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tBTA_GATTC_ATTR_TYPE type)
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{
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#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
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APPL_TRACE_DEBUG("%s: Add a [%s] into Service", __func__, bta_gattc_attr_type[type]);
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APPL_TRACE_DEBUG("handle=%d uuid16=0x%x property=0x%x type=%d",
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handle, p_uuid->uu.uuid16, property, type);
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#endif
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tBTA_GATTC_SERVICE *service = bta_gattc_find_matching_service(p_srvc_cb->p_srvc_cache, handle);
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if (!service) {
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APPL_TRACE_ERROR("Illegal action to add char/descr/incl srvc for non-existing service!");
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return GATT_WRONG_STATE;
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}
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if (type == BTA_GATTC_ATTR_TYPE_INCL_SRVC) {
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tBTA_GATTC_INCLUDED_SVC *isvc =
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osi_malloc(sizeof(tBTA_GATTC_INCLUDED_SVC));
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if (!isvc) {
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APPL_TRACE_WARNING("%s(), no resource.", __func__);
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return BTA_GATT_NO_RESOURCES;
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}
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isvc->handle = handle;
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memcpy(&isvc->uuid, p_uuid, sizeof(tBT_UUID));
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isvc->incl_srvc_s_handle = incl_srvc_s_handle;
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isvc->incl_srvc_e_handle = incl_srvc_e_handle;
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isvc->owning_service = service;
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isvc->included_service = bta_gattc_find_matching_service(
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p_srvc_cb->p_srvc_cache, incl_srvc_s_handle);
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if (!isvc->included_service) {
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// if can't find included service, wait to update later
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p_srvc_cb->update_incl_srvc = true;
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}
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list_append(service->included_svc, isvc);
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} else if (type == BTA_GATTC_ATTR_TYPE_CHAR_DESCR) {
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tBTA_GATTC_DESCRIPTOR *descriptor =
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osi_malloc(sizeof(tBTA_GATTC_DESCRIPTOR));
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if (!descriptor) {
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APPL_TRACE_WARNING("%s(), no resource.", __func__);
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return BTA_GATT_NO_RESOURCES;
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}
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descriptor->handle = handle;
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memcpy(&descriptor->uuid, p_uuid, sizeof(tBT_UUID));
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if (service->characteristics == NULL ||
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list_is_empty(service->characteristics)) {
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APPL_TRACE_ERROR("%s: Illegal action to add descriptor before adding a characteristic!",
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__func__);
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osi_free(descriptor);
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return GATT_WRONG_STATE;
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}
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tBTA_GATTC_CHARACTERISTIC *char_node = list_back(service->characteristics);
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descriptor->characteristic = char_node;
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list_append(char_node->descriptors, descriptor);
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}
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return BTA_GATT_OK;
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}
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/*******************************************************************************
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**
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** Function bta_gattc_get_disc_range
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**
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** Description get discovery stating and ending handle range.
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**
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** Returns None.
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**
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*******************************************************************************/
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void bta_gattc_get_disc_range(tBTA_GATTC_SERV *p_srvc_cb, UINT16 *p_s_hdl, UINT16 *p_e_hdl, BOOLEAN is_srvc)
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{
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tBTA_GATTC_ATTR_REC *p_rec = NULL;
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if (is_srvc) {
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p_rec = p_srvc_cb->p_srvc_list + p_srvc_cb->cur_srvc_idx;
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*p_s_hdl = p_rec->s_handle;
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} else {
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p_rec = p_srvc_cb->p_srvc_list + p_srvc_cb->cur_char_idx;
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*p_s_hdl = p_rec->s_handle + 1;
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}
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*p_e_hdl = p_rec->e_handle;
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#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
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APPL_TRACE_DEBUG("discover range [%d ~ %d]", p_rec->s_handle, p_rec->e_handle);
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#endif
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return;
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|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_discover_pri_service
|
|
**
|
|
** Description Start primary service discovery
|
|
**
|
|
** Returns status of the operation.
|
|
**
|
|
*******************************************************************************/
|
|
tBTA_GATT_STATUS bta_gattc_discover_pri_service(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb,
|
|
UINT8 disc_type)
|
|
{
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
tBTA_GATT_STATUS status = BTA_GATT_ERROR;
|
|
|
|
if (p_clcb) {
|
|
if (p_clcb->transport == BTA_TRANSPORT_LE) {
|
|
status = bta_gattc_discover_procedure(conn_id, p_server_cb, disc_type);
|
|
} else {
|
|
#if (SDP_INCLUDED == TRUE)
|
|
status = bta_gattc_sdp_service_disc(conn_id, p_server_cb);
|
|
#endif ///SDP_INCLUDED == TRUE
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_discover_procedure
|
|
**
|
|
** Description Start a particular type of discovery procedure on server.
|
|
**
|
|
** Returns status of the operation.
|
|
**
|
|
*******************************************************************************/
|
|
tBTA_GATT_STATUS bta_gattc_discover_procedure(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb,
|
|
UINT8 disc_type)
|
|
{
|
|
tGATT_DISC_PARAM param;
|
|
BOOLEAN is_service = TRUE;
|
|
|
|
memset(¶m, 0, sizeof(tGATT_DISC_PARAM));
|
|
|
|
if (disc_type == GATT_DISC_SRVC_ALL || disc_type == GATT_DISC_SRVC_BY_UUID) {
|
|
param.s_handle = 1;
|
|
param.e_handle = 0xFFFF;
|
|
} else {
|
|
if (disc_type == GATT_DISC_CHAR_DSCPT) {
|
|
is_service = FALSE;
|
|
}
|
|
|
|
bta_gattc_get_disc_range(p_server_cb, ¶m.s_handle, ¶m.e_handle, is_service);
|
|
|
|
if (param.s_handle > param.e_handle) {
|
|
return GATT_ERROR;
|
|
}
|
|
}
|
|
return GATTC_Discover (conn_id, disc_type, ¶m);
|
|
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_start_disc_include_srvc
|
|
**
|
|
** Description Start discovery for included service
|
|
**
|
|
** Returns status of the operation.
|
|
**
|
|
*******************************************************************************/
|
|
tBTA_GATT_STATUS bta_gattc_start_disc_include_srvc(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb)
|
|
{
|
|
return bta_gattc_discover_procedure(conn_id, p_srvc_cb, GATT_DISC_INC_SRVC);
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_start_disc_char
|
|
**
|
|
** Description Start discovery for characteristic
|
|
**
|
|
** Returns status of the operation.
|
|
**
|
|
*******************************************************************************/
|
|
tBTA_GATT_STATUS bta_gattc_start_disc_char(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb)
|
|
{
|
|
p_srvc_cb->total_char = 0;
|
|
|
|
return bta_gattc_discover_procedure(conn_id, p_srvc_cb, GATT_DISC_CHAR);
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_start_disc_char_dscp
|
|
**
|
|
** Description Start discovery for characteristic descriptor
|
|
**
|
|
** Returns none.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_start_disc_char_dscp(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb)
|
|
{
|
|
APPL_TRACE_DEBUG("starting discover characteristics descriptor");
|
|
|
|
if (bta_gattc_discover_procedure(conn_id, p_srvc_cb, GATT_DISC_CHAR_DSCPT) != 0) {
|
|
bta_gattc_char_dscpt_disc_cmpl(conn_id, p_srvc_cb);
|
|
}
|
|
}
|
|
|
|
void bta_gattc_update_include_service(const list_t *services) {
|
|
if (!services || list_is_empty(services)) {
|
|
return;
|
|
}
|
|
for (list_node_t *sn = list_begin(services); sn != list_end(services); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *service = list_node(sn);
|
|
if(!service || !service->included_svc || list_is_empty(service->included_svc)) break;
|
|
for (list_node_t *sn = list_begin(service->included_svc); sn != list_end(service->included_svc); sn = list_next(sn)) {
|
|
tBTA_GATTC_INCLUDED_SVC *include_service = list_node(sn);
|
|
if(include_service && !include_service->included_service) {
|
|
//update
|
|
include_service->included_service = bta_gattc_find_matching_service(services, include_service->incl_srvc_s_handle);
|
|
if(!include_service->included_service) {
|
|
//not match, free it
|
|
list_remove(service->included_svc, include_service);
|
|
osi_free(include_service);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_explore_srvc
|
|
**
|
|
** Description process the service discovery complete event
|
|
**
|
|
** Returns status
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_gattc_explore_srvc(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb)
|
|
{
|
|
tBTA_GATTC_ATTR_REC *p_rec = p_srvc_cb->p_srvc_list + p_srvc_cb->cur_srvc_idx;
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
APPL_TRACE_DEBUG("Start service discovery: srvc_idx = %d", p_srvc_cb->cur_srvc_idx);
|
|
|
|
p_srvc_cb->cur_char_idx = p_srvc_cb->next_avail_idx = p_srvc_cb->total_srvc;
|
|
|
|
if (p_clcb == NULL) {
|
|
APPL_TRACE_ERROR("unknown connection ID");
|
|
return;
|
|
}
|
|
/* start expore a service if there is service not been explored */
|
|
if (p_srvc_cb->cur_srvc_idx < p_srvc_cb->total_srvc) {
|
|
/* add the first service into cache */
|
|
if (bta_gattc_add_srvc_to_cache (p_srvc_cb,
|
|
p_rec->s_handle,
|
|
p_rec->e_handle,
|
|
&p_rec->uuid,
|
|
p_rec->is_primary) == 0) {
|
|
/* start discovering included services */
|
|
bta_gattc_start_disc_include_srvc(conn_id, p_srvc_cb);
|
|
return;
|
|
}
|
|
}
|
|
// if update_incl_srvc is true, update include service
|
|
if(p_srvc_cb->update_incl_srvc) {
|
|
bta_gattc_update_include_service(p_srvc_cb->p_srvc_cache);
|
|
p_srvc_cb->update_incl_srvc = false;
|
|
}
|
|
/* no service found at all, the end of server discovery*/
|
|
APPL_TRACE_DEBUG("%s no more services found", __func__);
|
|
|
|
#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
|
|
bta_gattc_display_cache_server(p_srvc_cb->p_srvc_cache);
|
|
#endif
|
|
|
|
//server discover end, update connection parameters
|
|
#if BLE_INCLUDED == TRUE
|
|
#if (BT_MULTI_CONNECTION_ENBALE == FALSE)
|
|
if (p_clcb->transport == BTA_TRANSPORT_LE) {
|
|
L2CA_EnableUpdateBleConnParams(p_clcb->p_srcb->server_bda, TRUE);
|
|
}
|
|
#endif
|
|
//discover service complete, trigger callback
|
|
tBTA_GATTC cb_data;
|
|
cb_data.dis_cmpl.status = p_clcb->status;
|
|
cb_data.dis_cmpl.conn_id = conn_id;
|
|
( *p_clcb->p_rcb->p_cback)(BTA_GATTC_DIS_SRVC_CMPL_EVT, &cb_data);
|
|
#endif
|
|
#if(GATTC_CACHE_NVS == TRUE)
|
|
/* save cache to NV */
|
|
p_clcb->p_srcb->state = BTA_GATTC_SERV_SAVE;
|
|
bta_gattc_cache_save(p_clcb->p_srcb, p_clcb->bta_conn_id);
|
|
#endif
|
|
bta_gattc_reset_discover_st(p_clcb->p_srcb, BTA_GATT_OK);
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_incl_srvc_disc_cmpl
|
|
**
|
|
** Description process the relationship discovery complete event
|
|
**
|
|
** Returns status
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_gattc_incl_srvc_disc_cmpl(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb)
|
|
{
|
|
p_srvc_cb->cur_char_idx = p_srvc_cb->total_srvc;
|
|
|
|
/* start discoverying characteristic */
|
|
bta_gattc_start_disc_char(conn_id, p_srvc_cb);
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_char_disc_cmpl
|
|
**
|
|
** Description process the characteristic discovery complete event
|
|
**
|
|
** Returns status
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_gattc_char_disc_cmpl(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb)
|
|
{
|
|
tBTA_GATTC_ATTR_REC *p_rec = p_srvc_cb->p_srvc_list + p_srvc_cb->cur_char_idx;
|
|
|
|
/* if there are characteristic needs to be explored */
|
|
if (p_srvc_cb->total_char > 0) {
|
|
/* add the first characteristic into cache */
|
|
bta_gattc_add_char_to_cache (p_srvc_cb,
|
|
p_rec->char_decl_handle,
|
|
p_rec->s_handle,
|
|
&p_rec->uuid,
|
|
p_rec->property);
|
|
|
|
/* start discoverying characteristic descriptor , if failed, disc for next char */
|
|
bta_gattc_start_disc_char_dscp(conn_id, p_srvc_cb);
|
|
} else { /* otherwise start with next service */
|
|
p_srvc_cb->cur_srvc_idx ++;
|
|
|
|
bta_gattc_explore_srvc (conn_id, p_srvc_cb);
|
|
}
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_char_dscpt_disc_cmpl
|
|
**
|
|
** Description process the char descriptor discovery complete event
|
|
**
|
|
** Returns status
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_gattc_char_dscpt_disc_cmpl(UINT16 conn_id, tBTA_GATTC_SERV *p_srvc_cb)
|
|
{
|
|
tBTA_GATTC_ATTR_REC *p_rec = NULL;
|
|
|
|
/* Recursive function will cause BTU stack overflow when there are a large number of characteristic
|
|
* without descriptor to discover. So replace it with while function */
|
|
while (--p_srvc_cb->total_char > 0) {
|
|
p_rec = p_srvc_cb->p_srvc_list + (++ p_srvc_cb->cur_char_idx);
|
|
/* add the next characteristic into cache */
|
|
bta_gattc_add_char_to_cache (p_srvc_cb,
|
|
p_rec->char_decl_handle,
|
|
p_rec->s_handle,
|
|
&p_rec->uuid,
|
|
p_rec->property);
|
|
/* start to discover next characteristic for descriptor */
|
|
if (bta_gattc_discover_procedure(conn_id, p_srvc_cb, GATT_DISC_CHAR_DSCPT) == 0) {
|
|
/* send att req and wait for att rsp */
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (p_srvc_cb->total_char == 0) /* all characteristic has been explored, start with next service if any */
|
|
{
|
|
#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
|
|
APPL_TRACE_ERROR("all char has been explored");
|
|
#endif
|
|
p_srvc_cb->cur_srvc_idx ++;
|
|
bta_gattc_explore_srvc (conn_id, p_srvc_cb);
|
|
}
|
|
|
|
}
|
|
static BOOLEAN bta_gattc_srvc_in_list(tBTA_GATTC_SERV *p_srvc_cb, UINT16 s_handle,
|
|
UINT16 e_handle, tBT_UUID uuid)
|
|
{
|
|
tBTA_GATTC_ATTR_REC *p_rec = NULL;
|
|
UINT8 i;
|
|
BOOLEAN exist_srvc = FALSE;
|
|
UNUSED(uuid);
|
|
|
|
if (!GATT_HANDLE_IS_VALID(s_handle) || !GATT_HANDLE_IS_VALID(e_handle)) {
|
|
APPL_TRACE_ERROR("invalid included service handle: [0x%04x ~ 0x%04x]", s_handle, e_handle);
|
|
exist_srvc = TRUE;
|
|
} else {
|
|
for (i = 0; i < p_srvc_cb->next_avail_idx; i ++) {
|
|
p_rec = p_srvc_cb->p_srvc_list + i;
|
|
|
|
/* a new service should not have any overlap with other service handle range */
|
|
if (p_rec->s_handle == s_handle || p_rec->e_handle == e_handle) {
|
|
exist_srvc = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return exist_srvc;
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_add_srvc_to_list
|
|
**
|
|
** Description Add a service into explore pending list
|
|
**
|
|
** Returns status
|
|
**
|
|
*******************************************************************************/
|
|
static tBTA_GATT_STATUS bta_gattc_add_srvc_to_list(tBTA_GATTC_SERV *p_srvc_cb,
|
|
UINT16 s_handle, UINT16 e_handle,
|
|
tBT_UUID uuid, BOOLEAN is_primary)
|
|
{
|
|
tBTA_GATTC_ATTR_REC *p_rec = NULL;
|
|
tBTA_GATT_STATUS status = BTA_GATT_OK;
|
|
|
|
if (p_srvc_cb->p_srvc_list && p_srvc_cb->next_avail_idx < BTA_GATTC_MAX_CACHE_CHAR) {
|
|
p_rec = p_srvc_cb->p_srvc_list + p_srvc_cb->next_avail_idx;
|
|
|
|
APPL_TRACE_DEBUG("%s handle=%d, service type=0x%04x",
|
|
__func__, s_handle, uuid.uu.uuid16);
|
|
|
|
p_rec->s_handle = s_handle;
|
|
p_rec->e_handle = e_handle;
|
|
p_rec->is_primary = is_primary;
|
|
memcpy(&p_rec->uuid, &uuid, sizeof(tBT_UUID));
|
|
|
|
p_srvc_cb->total_srvc ++;
|
|
p_srvc_cb->next_avail_idx ++;
|
|
} else {
|
|
/* allocate bigger buffer ?? */
|
|
status = GATT_DB_FULL;
|
|
|
|
APPL_TRACE_ERROR("service not added, no resources or wrong state, see CONFIG_BT_GATTC_MAX_CACHE_CHAR");
|
|
}
|
|
return status;
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_add_char_to_list
|
|
**
|
|
** Description Add a characteristic into explore pending list
|
|
**
|
|
** Returns status
|
|
**
|
|
*******************************************************************************/
|
|
static tBTA_GATT_STATUS bta_gattc_add_char_to_list(tBTA_GATTC_SERV *p_srvc_cb,
|
|
UINT16 decl_handle, UINT16 value_handle,
|
|
tBT_UUID uuid, UINT8 property)
|
|
{
|
|
tBTA_GATTC_ATTR_REC *p_rec = NULL;
|
|
tBTA_GATT_STATUS status = BTA_GATT_OK;
|
|
|
|
if (p_srvc_cb->p_srvc_list == NULL) {
|
|
APPL_TRACE_ERROR("No service available, unexpected char discovery result");
|
|
status = BTA_GATT_INTERNAL_ERROR;
|
|
} else if (p_srvc_cb->next_avail_idx < BTA_GATTC_MAX_CACHE_CHAR) {
|
|
|
|
p_rec = p_srvc_cb->p_srvc_list + p_srvc_cb->next_avail_idx;
|
|
|
|
p_srvc_cb->total_char ++;
|
|
|
|
p_rec->s_handle = value_handle;
|
|
p_rec->char_decl_handle = decl_handle;
|
|
p_rec->property = property;
|
|
p_rec->e_handle = (p_srvc_cb->p_srvc_list + p_srvc_cb->cur_srvc_idx)->e_handle;
|
|
memcpy(&p_rec->uuid, &uuid, sizeof(tBT_UUID));
|
|
|
|
/* update the endind handle of pervious characteristic if available */
|
|
if (p_srvc_cb->total_char > 1) {
|
|
p_rec -= 1;
|
|
p_rec->e_handle = decl_handle - 1;
|
|
}
|
|
p_srvc_cb->next_avail_idx ++;
|
|
} else {
|
|
APPL_TRACE_ERROR("char not added, no resources, see CONFIG_BT_GATTC_MAX_CACHE_CHAR");
|
|
/* allocate bigger buffer ?? */
|
|
status = BTA_GATT_DB_FULL;
|
|
}
|
|
return status;
|
|
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_sdp_callback
|
|
**
|
|
** Description Process the discovery result from sdp
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
#if (SDP_INCLUDED == TRUE)
|
|
void bta_gattc_sdp_callback(UINT16 sdp_status, void* user_data)
|
|
{
|
|
tSDP_DISC_REC *p_sdp_rec = NULL;
|
|
tBT_UUID service_uuid;
|
|
tSDP_PROTOCOL_ELEM pe;
|
|
UINT16 start_handle = 0, end_handle = 0;
|
|
tBTA_GATTC_CB_DATA *cb_data = user_data;
|
|
tBTA_GATTC_SERV *p_srvc_cb = bta_gattc_find_scb_by_cid(cb_data->sdp_conn_id);
|
|
|
|
if (((sdp_status == SDP_SUCCESS) || (sdp_status == SDP_DB_FULL)) && p_srvc_cb != NULL) {
|
|
do {
|
|
/* find a service record, report it */
|
|
p_sdp_rec = SDP_FindServiceInDb(cb_data->p_sdp_db, 0, p_sdp_rec);
|
|
if (p_sdp_rec) {
|
|
if (SDP_FindServiceUUIDInRec(p_sdp_rec, &service_uuid)) {
|
|
|
|
if (SDP_FindProtocolListElemInRec(p_sdp_rec, UUID_PROTOCOL_ATT, &pe)) {
|
|
start_handle = (UINT16) pe.params[0];
|
|
end_handle = (UINT16) pe.params[1];
|
|
|
|
#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
|
|
APPL_TRACE_EVENT("Found ATT service [0x%04x] handle[0x%04x ~ 0x%04x]",
|
|
service_uuid.uu.uuid16, start_handle, end_handle);
|
|
#endif
|
|
|
|
if (GATT_HANDLE_IS_VALID(start_handle) && GATT_HANDLE_IS_VALID(end_handle) &&
|
|
p_srvc_cb != NULL) {
|
|
/* discover services result, add services into a service list */
|
|
bta_gattc_add_srvc_to_list(p_srvc_cb,
|
|
start_handle,
|
|
end_handle,
|
|
service_uuid,
|
|
TRUE);
|
|
} else {
|
|
APPL_TRACE_ERROR("invalid start_handle = %d end_handle = %d",
|
|
start_handle, end_handle);
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|
|
} while (p_sdp_rec);
|
|
}
|
|
|
|
if ( p_srvc_cb != NULL)
|
|
{
|
|
/* start discover primary service */
|
|
bta_gattc_explore_srvc(cb_data->sdp_conn_id, p_srvc_cb);
|
|
}
|
|
else
|
|
{
|
|
APPL_TRACE_ERROR("GATT service discovery is done on unknown connection");
|
|
}
|
|
|
|
/* both were allocated in bta_gattc_sdp_service_disc */
|
|
osi_free(cb_data->p_sdp_db);
|
|
osi_free(cb_data);
|
|
}
|
|
#endif ///SDP_INCLUDED == TRUE
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_sdp_service_disc
|
|
**
|
|
** Description Start DSP Service Discovert
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
#if (SDP_INCLUDED == TRUE)
|
|
static tBTA_GATT_STATUS bta_gattc_sdp_service_disc(UINT16 conn_id, tBTA_GATTC_SERV *p_server_cb)
|
|
{
|
|
tSDP_UUID uuid;
|
|
UINT16 num_attrs = 2;
|
|
UINT16 attr_list[2];
|
|
|
|
memset (&uuid, 0, sizeof(tSDP_UUID));
|
|
|
|
uuid.len = LEN_UUID_16;
|
|
uuid.uu.uuid16 = UUID_PROTOCOL_ATT;
|
|
|
|
/*
|
|
* On success, cb_data will be freed inside bta_gattc_sdp_callback,
|
|
* otherwise it will be freed within this function.
|
|
*/
|
|
tBTA_GATTC_CB_DATA *cb_data =
|
|
(tBTA_GATTC_CB_DATA *)osi_malloc(sizeof(tBTA_GATTC_CB_DATA));
|
|
cb_data->p_sdp_db = (tSDP_DISCOVERY_DB *)osi_malloc(BTA_GATT_SDP_DB_SIZE);
|
|
if (!cb_data || cb_data->p_sdp_db) {
|
|
APPL_TRACE_WARNING("%s(), no resource.", __func__);
|
|
return BTA_GATT_NO_RESOURCES;
|
|
}
|
|
attr_list[0] = ATTR_ID_SERVICE_CLASS_ID_LIST;
|
|
attr_list[1] = ATTR_ID_PROTOCOL_DESC_LIST;
|
|
|
|
SDP_InitDiscoveryDb(cb_data->p_sdp_db, BTA_GATT_SDP_DB_SIZE, 1,
|
|
&uuid, num_attrs, attr_list);
|
|
|
|
if (!SDP_ServiceSearchAttributeRequest2(p_server_cb->server_bda,
|
|
cb_data->p_sdp_db, &bta_gattc_sdp_callback, cb_data))
|
|
{
|
|
osi_free(cb_data->p_sdp_db);
|
|
osi_free(cb_data);
|
|
return BTA_GATT_ERROR;
|
|
}
|
|
|
|
cb_data->sdp_conn_id = conn_id;
|
|
return BTA_GATT_OK;
|
|
}
|
|
#endif ///SDP_INCLUDED == TRUE
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_disc_res_cback
|
|
** bta_gattc_disc_cmpl_cback
|
|
**
|
|
** Description callback functions to GATT client stack.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data)
|
|
{
|
|
tBTA_GATTC_SERV *p_srvc_cb = NULL;
|
|
BOOLEAN pri_srvc;
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (bta_gattc_cb.auto_disc == FALSE) {
|
|
return;
|
|
}
|
|
|
|
p_srvc_cb = bta_gattc_find_scb_by_cid(conn_id);
|
|
|
|
if (p_srvc_cb != NULL && p_clcb != NULL && p_clcb->state == BTA_GATTC_DISCOVER_ST) {
|
|
p_srvc_cb->total_attr++;
|
|
switch (disc_type) {
|
|
case GATT_DISC_SRVC_ALL:
|
|
/* discover services result, add services into a service list */
|
|
bta_gattc_add_srvc_to_list(p_srvc_cb,
|
|
p_data->handle,
|
|
p_data->value.group_value.e_handle,
|
|
p_data->value.group_value.service_type,
|
|
TRUE);
|
|
|
|
break;
|
|
case GATT_DISC_SRVC_BY_UUID:
|
|
bta_gattc_add_srvc_to_list(p_srvc_cb,
|
|
p_data->handle,
|
|
p_data->value.group_value.e_handle,
|
|
p_data->value.group_value.service_type,
|
|
TRUE);
|
|
break;
|
|
|
|
case GATT_DISC_INC_SRVC:
|
|
/* add included service into service list if it's secondary or it never showed up
|
|
in the primary service search */
|
|
pri_srvc = bta_gattc_srvc_in_list(p_srvc_cb,
|
|
p_data->value.incl_service.s_handle,
|
|
p_data->value.incl_service.e_handle,
|
|
p_data->value.incl_service.service_type);
|
|
|
|
if (!pri_srvc) {
|
|
bta_gattc_add_srvc_to_list(p_srvc_cb,
|
|
p_data->value.incl_service.s_handle,
|
|
p_data->value.incl_service.e_handle,
|
|
p_data->value.incl_service.service_type,
|
|
FALSE);
|
|
}
|
|
/* add into database */
|
|
bta_gattc_add_attr_to_cache(p_srvc_cb,
|
|
p_data->handle,
|
|
&p_data->value.incl_service.service_type,
|
|
pri_srvc,
|
|
p_data->value.incl_service.s_handle,
|
|
p_data->value.incl_service.e_handle,
|
|
BTA_GATTC_ATTR_TYPE_INCL_SRVC);
|
|
break;
|
|
|
|
case GATT_DISC_CHAR:
|
|
/* add char value into database */
|
|
bta_gattc_add_char_to_list(p_srvc_cb,
|
|
p_data->handle,
|
|
p_data->value.dclr_value.val_handle,
|
|
p_data->value.dclr_value.char_uuid,
|
|
p_data->value.dclr_value.char_prop);
|
|
break;
|
|
|
|
case GATT_DISC_CHAR_DSCPT:
|
|
bta_gattc_add_attr_to_cache(p_srvc_cb,
|
|
p_data->handle,
|
|
&p_data->type,
|
|
0,
|
|
0 /* incl_srvc_s_handle */,
|
|
0 /* incl_srvc_e_handle */,
|
|
BTA_GATTC_ATTR_TYPE_CHAR_DESCR);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
void bta_gattc_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status)
|
|
{
|
|
tBTA_GATTC_SERV *p_srvc_cb;
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (bta_gattc_cb.auto_disc == FALSE) {
|
|
return;
|
|
}
|
|
|
|
if ( p_clcb && (status != GATT_SUCCESS || p_clcb->status != GATT_SUCCESS) ) {
|
|
if (status == GATT_SUCCESS) {
|
|
p_clcb->status = status;
|
|
}
|
|
bta_gattc_sm_execute(p_clcb, BTA_GATTC_DISCOVER_CMPL_EVT, NULL);
|
|
return;
|
|
}
|
|
p_srvc_cb = bta_gattc_find_scb_by_cid(conn_id);
|
|
|
|
if (p_srvc_cb != NULL) {
|
|
switch (disc_type) {
|
|
case GATT_DISC_SRVC_ALL:
|
|
case GATT_DISC_SRVC_BY_UUID:
|
|
#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
|
|
bta_gattc_display_explore_record(p_srvc_cb->p_srvc_list, p_srvc_cb->next_avail_idx);
|
|
#endif
|
|
bta_gattc_explore_srvc(conn_id, p_srvc_cb);
|
|
break;
|
|
|
|
case GATT_DISC_INC_SRVC:
|
|
bta_gattc_incl_srvc_disc_cmpl(conn_id, p_srvc_cb);
|
|
|
|
break;
|
|
|
|
case GATT_DISC_CHAR:
|
|
#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
|
|
bta_gattc_display_explore_record(p_srvc_cb->p_srvc_list, p_srvc_cb->next_avail_idx);
|
|
#endif
|
|
bta_gattc_char_disc_cmpl(conn_id, p_srvc_cb);
|
|
break;
|
|
|
|
case GATT_DISC_CHAR_DSCPT:
|
|
bta_gattc_char_dscpt_disc_cmpl(conn_id, p_srvc_cb);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_search_service
|
|
**
|
|
** Description search local cache for matching service record.
|
|
**
|
|
** Returns FALSE if map can not be found.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_search_service(tBTA_GATTC_CLCB *p_clcb, tBT_UUID *p_uuid)
|
|
{
|
|
tBTA_GATTC cb_data;
|
|
|
|
if (!p_clcb->p_srcb->p_srvc_cache || list_is_empty(p_clcb->p_srcb->p_srvc_cache)) {
|
|
return;
|
|
}
|
|
|
|
for (list_node_t *sn = list_begin(p_clcb->p_srcb->p_srvc_cache);
|
|
sn != list_end(p_clcb->p_srcb->p_srvc_cache); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *p_cache = list_node(sn);
|
|
|
|
if (!bta_gattc_uuid_compare(p_uuid, &p_cache->uuid, FALSE)) {
|
|
continue;
|
|
}
|
|
|
|
#if (defined BTA_GATT_DEBUG && BTA_GATT_DEBUG == TRUE)
|
|
APPL_TRACE_DEBUG("found service [0x%04x], inst[%d] handle [%d]",
|
|
p_cache->uuid.uu.uuid16,
|
|
p_cache->handle,
|
|
p_cache->s_handle);
|
|
#endif
|
|
if (!p_clcb->p_rcb->p_cback) {
|
|
continue;
|
|
}
|
|
|
|
memset(&cb_data, 0, sizeof(tBTA_GATTC));
|
|
|
|
cb_data.srvc_res.conn_id = p_clcb->bta_conn_id;
|
|
cb_data.srvc_res.service_uuid.inst_id = p_cache->handle;
|
|
cb_data.srvc_res.start_handle = p_cache->s_handle;
|
|
cb_data.srvc_res.end_handle = p_cache->e_handle;
|
|
cb_data.srvc_res.is_primary = p_cache->is_primary;
|
|
memcpy(&cb_data.srvc_res.service_uuid.uuid, &p_cache->uuid, sizeof(tBT_UUID));
|
|
(* p_clcb->p_rcb->p_cback)(BTA_GATTC_SEARCH_RES_EVT, &cb_data);
|
|
}
|
|
}
|
|
|
|
list_t* bta_gattc_get_services_srcb(tBTA_GATTC_SERV *p_srcb) {
|
|
if (!p_srcb || !p_srcb->p_srvc_cache || list_is_empty(p_srcb->p_srvc_cache)) {
|
|
return NULL;
|
|
}
|
|
|
|
return p_srcb->p_srvc_cache;
|
|
}
|
|
|
|
const list_t* bta_gattc_get_services(UINT16 conn_id) {
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (p_clcb == NULL ) {
|
|
return NULL;
|
|
}
|
|
|
|
tBTA_GATTC_SERV *p_srcb = p_clcb->p_srcb;
|
|
|
|
return bta_gattc_get_services_srcb(p_srcb);
|
|
}
|
|
|
|
tBTA_GATTC_SERVICE* bta_gattc_find_matching_service(const list_t *services, UINT16 handle) {
|
|
if (!services || list_is_empty(services)) {
|
|
return NULL;
|
|
}
|
|
|
|
for (list_node_t *sn = list_begin(services);
|
|
sn != list_end(services); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *service = list_node(sn);
|
|
|
|
if (handle >= service->s_handle && handle <= service->e_handle) {
|
|
return service;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle)
|
|
{
|
|
const list_t *services = bta_gattc_get_services_srcb(p_srcb);
|
|
|
|
return bta_gattc_find_matching_service(services, handle);
|
|
}
|
|
|
|
const tBTA_GATTC_SERVICE* bta_gattc_get_service_for_handle(UINT16 conn_id, UINT16 handle)
|
|
{
|
|
const list_t *services = bta_gattc_get_services(conn_id);
|
|
|
|
return bta_gattc_find_matching_service(services, handle);
|
|
}
|
|
|
|
tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle)
|
|
{
|
|
const tBTA_GATTC_SERVICE* service = bta_gattc_get_service_for_handle_srcb(p_srcb, handle);
|
|
|
|
if (!service) {
|
|
return NULL;
|
|
}
|
|
|
|
for (list_node_t *cn = list_begin(service->characteristics);
|
|
cn != list_end(service->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
if (handle == p_char->handle) {
|
|
return p_char;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
tBTA_GATTC_CHARACTERISTIC* bta_gattc_get_characteristic(UINT16 conn_id, UINT16 handle)
|
|
{
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (p_clcb == NULL ) {
|
|
return NULL;
|
|
}
|
|
|
|
tBTA_GATTC_SERV *p_srcb = p_clcb->p_srcb;
|
|
return bta_gattc_get_characteristic_srcb(p_srcb, handle);
|
|
}
|
|
|
|
tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor_srcb(tBTA_GATTC_SERV *p_srcb, UINT16 handle)
|
|
{
|
|
const tBTA_GATTC_SERVICE* service = bta_gattc_get_service_for_handle_srcb(p_srcb, handle);
|
|
|
|
if (!service) {
|
|
return NULL;
|
|
}
|
|
|
|
for (list_node_t *cn = list_begin(service->characteristics);
|
|
cn != list_end(service->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
for (list_node_t *dn = list_begin(p_char->descriptors);
|
|
dn != list_end(p_char->descriptors); dn = list_next(dn)) {
|
|
tBTA_GATTC_DESCRIPTOR *p_desc = list_node(dn);
|
|
if (handle == p_desc->handle) {
|
|
return p_desc;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
tBTA_GATTC_DESCRIPTOR* bta_gattc_get_descriptor(UINT16 conn_id, UINT16 handle)
|
|
{
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (p_clcb == NULL ) {
|
|
return NULL;
|
|
}
|
|
|
|
tBTA_GATTC_SERV *p_srcb = p_clcb->p_srcb;
|
|
return bta_gattc_get_descriptor_srcb(p_srcb, handle);
|
|
}
|
|
|
|
void bta_gattc_get_service_with_uuid(UINT16 conn_id, tBT_UUID *svc_uuid,
|
|
btgatt_db_element_t **svc_db,
|
|
UINT16 *count)
|
|
{
|
|
const list_t* svc = bta_gattc_get_services(conn_id);
|
|
if(!svc) {
|
|
APPL_TRACE_WARNING("%s(), no service.", __func__);
|
|
*svc_db = NULL;
|
|
*count = 0;
|
|
return;
|
|
}
|
|
size_t db_size = list_length(svc);
|
|
void *buffer = osi_malloc(db_size*sizeof(btgatt_db_element_t));
|
|
if (!buffer) {
|
|
APPL_TRACE_WARNING("%s(), no resource.", __func__);
|
|
*svc_db = NULL;
|
|
*count = 0;
|
|
return;
|
|
}
|
|
btgatt_db_element_t *curr_db_attr = buffer;
|
|
db_size = 0;
|
|
for (list_node_t *sn = list_begin(svc);
|
|
sn != list_end(svc); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *p_cur_srvc = list_node(sn);
|
|
if (svc_uuid == NULL || bta_gattc_uuid_compare(svc_uuid, &p_cur_srvc->uuid, TRUE)) {
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
p_cur_srvc->is_primary ?
|
|
BTGATT_DB_PRIMARY_SERVICE :
|
|
BTGATT_DB_SECONDARY_SERVICE,
|
|
0 /* att_handle */,
|
|
p_cur_srvc->s_handle /* s_handle */,
|
|
p_cur_srvc->e_handle /* e_handle */,
|
|
p_cur_srvc->s_handle,
|
|
p_cur_srvc->uuid,
|
|
0 /* prop */);
|
|
db_size++;
|
|
curr_db_attr++;
|
|
}
|
|
}
|
|
|
|
*svc_db = buffer;
|
|
*count = db_size;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_fill_gatt_db_el
|
|
**
|
|
** Description fill a btgatt_db_element_t value
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_fill_gatt_db_el(btgatt_db_element_t *p_attr,
|
|
bt_gatt_db_attribute_type_t type,
|
|
UINT16 att_handle,
|
|
UINT16 s_handle, UINT16 e_handle,
|
|
UINT16 id, tBT_UUID uuid, UINT8 prop)
|
|
{
|
|
p_attr->type = type;
|
|
p_attr->attribute_handle = att_handle;
|
|
p_attr->start_handle = s_handle;
|
|
p_attr->end_handle = e_handle;
|
|
p_attr->id = id;
|
|
p_attr->properties = prop;
|
|
bta_to_btif_uuid(&p_attr->uuid, &uuid);
|
|
}
|
|
|
|
void bta_gattc_get_db_with_opration(UINT16 conn_id,
|
|
bt_gatt_get_db_op_t op,
|
|
UINT16 char_handle,
|
|
tBT_UUID *incl_uuid,
|
|
tBT_UUID *char_uuid,
|
|
tBT_UUID *descr_uuid,
|
|
UINT16 start_handle, UINT16 end_handle,
|
|
btgatt_db_element_t **char_db,
|
|
UINT16 *count)
|
|
{
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (p_clcb == NULL) {
|
|
*count = 0;
|
|
*char_db = NULL;
|
|
return;
|
|
}
|
|
|
|
tBTA_GATTC_SERV *p_srcb = p_clcb->p_srcb;
|
|
if (!p_srcb->p_srvc_cache || list_is_empty(p_srcb->p_srvc_cache)) {
|
|
APPL_TRACE_DEBUG("the service cache is empty.");
|
|
*count = 0;
|
|
*char_db = NULL;
|
|
return;
|
|
}
|
|
|
|
size_t db_size = ((end_handle - start_handle + 1) < p_srcb->total_attr) ? (end_handle - start_handle + 1) : p_srcb->total_attr;
|
|
if (!db_size) {
|
|
APPL_TRACE_DEBUG("the db size is 0.");
|
|
*count = 0;
|
|
*char_db = NULL;
|
|
return;
|
|
}
|
|
|
|
void *buffer = osi_malloc(db_size*sizeof(btgatt_db_element_t));
|
|
|
|
if (!buffer) {
|
|
APPL_TRACE_DEBUG("the buffer is NULL.");
|
|
*count = 0;
|
|
*char_db = NULL;
|
|
return;
|
|
}
|
|
btgatt_db_element_t *curr_db_attr = buffer;
|
|
db_size = 0;
|
|
for (list_node_t *sn = list_begin(p_srcb->p_srvc_cache);
|
|
sn != list_end(p_srcb->p_srvc_cache); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *p_cur_srvc = list_node(sn);
|
|
|
|
if (p_cur_srvc->e_handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_cur_srvc->s_handle > end_handle) {
|
|
break;
|
|
}
|
|
|
|
if (op == GATT_OP_GET_INCLUDE_SVC) {
|
|
if (!p_cur_srvc->included_svc || list_is_empty(p_cur_srvc->included_svc))
|
|
continue;
|
|
|
|
for (list_node_t *isn = list_begin(p_cur_srvc->included_svc);
|
|
isn != list_end(p_cur_srvc->included_svc); isn = list_next(isn)) {
|
|
tBTA_GATTC_INCLUDED_SVC *p_isvc = list_node(isn);
|
|
|
|
if (p_isvc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_isvc->handle > end_handle) {
|
|
*char_db = buffer;
|
|
*count = db_size;
|
|
return;
|
|
}
|
|
if (!incl_uuid || bta_gattc_uuid_compare(&p_isvc->uuid, incl_uuid, TRUE)) {
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
BTGATT_DB_INCLUDED_SERVICE,
|
|
p_isvc->handle,
|
|
p_isvc->incl_srvc_s_handle /* s_handle */,
|
|
p_isvc->incl_srvc_e_handle /* e_handle */,
|
|
p_isvc->handle,
|
|
p_isvc->uuid,
|
|
0 /* property */);
|
|
curr_db_attr++;
|
|
db_size++;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (!p_cur_srvc->characteristics || list_is_empty(p_cur_srvc->characteristics)) {
|
|
continue;
|
|
}
|
|
|
|
for (list_node_t *cn = list_begin(p_cur_srvc->characteristics);
|
|
cn != list_end(p_cur_srvc->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
if(op == GATT_OP_GET_ALL_CHAR || op == GATT_OP_GET_CHAR_BY_UUID) {
|
|
if (p_char->handle < start_handle) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (p_char->handle > end_handle) {
|
|
*char_db = buffer;
|
|
*count = db_size;
|
|
return;
|
|
}
|
|
if ((op == GATT_OP_GET_ALL_CHAR || op == GATT_OP_GET_CHAR_BY_UUID) &&
|
|
(char_uuid == NULL || bta_gattc_uuid_compare(&p_char->uuid, char_uuid, TRUE))) {
|
|
APPL_TRACE_DEBUG("%s(), uuid match.", __func__);
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
BTGATT_DB_CHARACTERISTIC,
|
|
p_char->handle,
|
|
0 /* s_handle */,
|
|
0 /* e_handle */,
|
|
p_char->handle,
|
|
p_char->uuid,
|
|
p_char->properties);
|
|
curr_db_attr++;
|
|
db_size++;
|
|
continue;
|
|
}
|
|
|
|
if (!p_char->descriptors || list_is_empty(p_char->descriptors)) {
|
|
continue;
|
|
}
|
|
|
|
if ((op == GATT_OP_GET_DESCRI_BY_HANDLE || op == GATT_OP_GET_ALL_DESCRI) && (p_char->handle != char_handle)) {
|
|
continue;
|
|
}
|
|
|
|
if ((op == GATT_OP_GET_DESCRI_BY_UUID) &&
|
|
!bta_gattc_uuid_compare(&p_char->uuid, char_uuid, TRUE)) {
|
|
continue;
|
|
}
|
|
|
|
if (op == GATT_OP_GET_ALL_DESCRI || op == GATT_OP_GET_DESCRI_BY_UUID || op == GATT_OP_GET_DESCRI_BY_HANDLE) {
|
|
for (list_node_t *dn = list_begin(p_char->descriptors);
|
|
dn != list_end(p_char->descriptors); dn = list_next(dn)) {
|
|
tBTA_GATTC_DESCRIPTOR *p_desc = list_node(dn);
|
|
|
|
if (p_desc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
if (p_desc->handle > end_handle) {
|
|
*char_db = buffer;
|
|
*count = db_size;
|
|
return;
|
|
}
|
|
if (((op == GATT_OP_GET_ALL_DESCRI || op == GATT_OP_GET_DESCRI_BY_UUID) &&
|
|
(descr_uuid == NULL || bta_gattc_uuid_compare(&p_desc->uuid, descr_uuid, TRUE))) ||
|
|
(op == GATT_OP_GET_DESCRI_BY_HANDLE && bta_gattc_uuid_compare(&p_desc->uuid, descr_uuid, TRUE))) {
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
BTGATT_DB_DESCRIPTOR,
|
|
p_desc->handle,
|
|
0 /* s_handle */,
|
|
0 /* e_handle */,
|
|
p_desc->handle,
|
|
p_desc->uuid,
|
|
0 /* property */);
|
|
curr_db_attr++;
|
|
db_size++;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
*char_db = buffer;
|
|
*count = db_size;
|
|
}
|
|
|
|
static size_t bta_gattc_get_db_size_with_type(list_t *services,
|
|
bt_gatt_db_attribute_type_t type,
|
|
tBT_UUID *char_uuid,
|
|
UINT16 start_handle, UINT16 end_handle)
|
|
{
|
|
if (!services || list_is_empty(services)) {
|
|
return 0;
|
|
}
|
|
|
|
size_t db_size = 0;
|
|
UINT16 svc_length = list_length(services) - 1;
|
|
|
|
for (list_node_t *sn = list_begin(services);
|
|
sn != list_end(services); sn = list_next(sn), svc_length--) {
|
|
tBTA_GATTC_SERVICE *p_cur_srvc = list_node(sn);
|
|
|
|
if (p_cur_srvc->e_handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_cur_srvc->s_handle > end_handle) {
|
|
break;
|
|
}
|
|
|
|
if (type == BTGATT_DB_PRIMARY_SERVICE || type == BTGATT_DB_SECONDARY_SERVICE) {
|
|
if ((type == BTGATT_DB_PRIMARY_SERVICE && p_cur_srvc->is_primary) ||
|
|
(type == BTGATT_DB_SECONDARY_SERVICE && !p_cur_srvc->is_primary)) {
|
|
// if the current service is the last service in the db, need to ensure the current service start handle is not less than the start_handle.
|
|
if (!svc_length) {
|
|
if (p_cur_srvc->s_handle >= start_handle) {
|
|
db_size++;
|
|
}
|
|
} else {
|
|
db_size++;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (p_cur_srvc->included_svc && (type == BTGATT_DB_INCLUDED_SERVICE)) {
|
|
for (list_node_t *isn = list_begin(p_cur_srvc->included_svc);
|
|
isn != list_end(p_cur_srvc->included_svc); isn = list_next(isn)) {
|
|
tBTA_GATTC_INCLUDED_SVC *p_isvc = list_node(isn);
|
|
|
|
if (p_isvc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_isvc->handle > end_handle) {
|
|
return db_size;
|
|
}
|
|
db_size++;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (!p_cur_srvc->characteristics || list_is_empty(p_cur_srvc->characteristics)) {
|
|
continue;
|
|
}
|
|
|
|
if (char_uuid != NULL) {
|
|
for (list_node_t *cn = list_begin(p_cur_srvc->characteristics);
|
|
cn != list_end(p_cur_srvc->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
|
|
if (p_char->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_char->handle > end_handle) {
|
|
return db_size;
|
|
}
|
|
|
|
if ((type == BTGATT_DB_CHARACTERISTIC) && bta_gattc_uuid_compare(&p_char->uuid, char_uuid, TRUE)) {
|
|
db_size++;
|
|
continue;
|
|
}
|
|
|
|
if (p_char->descriptors && (type == BTGATT_DB_DESCRIPTOR) && bta_gattc_uuid_compare(&p_char->uuid, char_uuid, TRUE)) {
|
|
for (list_node_t *dn = list_begin(p_char->descriptors);
|
|
dn != list_end(p_char->descriptors); dn = list_next(dn)) {
|
|
tBTA_GATTC_DESCRIPTOR *p_desc = list_node(dn);
|
|
|
|
if (p_desc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_desc->handle > end_handle) {
|
|
return db_size;
|
|
}
|
|
db_size++;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (type == BTGATT_DB_CHARACTERISTIC) {
|
|
for (list_node_t *cn = list_begin(p_cur_srvc->characteristics);
|
|
cn != list_end(p_cur_srvc->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
|
|
if (p_char->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_char->handle > end_handle) {
|
|
return db_size;
|
|
}
|
|
db_size++;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return db_size;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
** Returns number of elements inside db from start_handle to end_handle
|
|
*******************************************************************************/
|
|
static size_t bta_gattc_get_db_size(list_t *services,
|
|
UINT16 start_handle, UINT16 end_handle)
|
|
{
|
|
if (!services || list_is_empty(services)) {
|
|
return 0;
|
|
}
|
|
|
|
size_t db_size = 0;
|
|
UINT16 svc_length = list_length(services) - 1;
|
|
for (list_node_t *sn = list_begin(services);
|
|
sn != list_end(services); sn = list_next(sn), svc_length--) {
|
|
tBTA_GATTC_SERVICE *p_cur_srvc = list_node(sn);
|
|
|
|
if (p_cur_srvc->e_handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_cur_srvc->s_handle > end_handle) {
|
|
break;
|
|
}
|
|
|
|
if (!svc_length) {
|
|
if (p_cur_srvc->s_handle >= start_handle) {
|
|
db_size++;
|
|
}
|
|
} else {
|
|
db_size++;
|
|
}
|
|
|
|
if (!p_cur_srvc->characteristics || list_is_empty(p_cur_srvc->characteristics)) {
|
|
continue;
|
|
}
|
|
|
|
for (list_node_t *cn = list_begin(p_cur_srvc->characteristics);
|
|
cn != list_end(p_cur_srvc->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
|
|
if (p_char->handle < start_handle) {
|
|
continue;
|
|
}
|
|
if (p_char->handle > end_handle) {
|
|
return db_size;
|
|
}
|
|
db_size++;
|
|
|
|
if (p_char->descriptors) {
|
|
for (list_node_t *dn = list_begin(p_char->descriptors);
|
|
dn != list_end(p_char->descriptors); dn = list_next(dn)) {
|
|
tBTA_GATTC_DESCRIPTOR *p_desc = list_node(dn);
|
|
if (p_desc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
if (p_desc->handle > end_handle) {
|
|
return db_size;
|
|
}
|
|
db_size++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (p_cur_srvc->included_svc) {
|
|
for (list_node_t *isn = list_begin(p_cur_srvc->included_svc);
|
|
isn != list_end(p_cur_srvc->included_svc); isn = list_next(isn)) {
|
|
tBTA_GATTC_INCLUDED_SVC *p_isvc = list_node(isn);
|
|
|
|
if (p_isvc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_isvc->handle > end_handle) {
|
|
return db_size;
|
|
}
|
|
db_size++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return db_size;
|
|
}
|
|
|
|
void bta_gattc_get_db_size_handle(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, UINT16 *count)
|
|
{
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (p_clcb == NULL) {
|
|
*count = 0;
|
|
return;
|
|
}
|
|
|
|
tBTA_GATTC_SERV *p_srcb = p_clcb->p_srcb;
|
|
if (!p_srcb->p_srvc_cache || list_is_empty(p_srcb->p_srvc_cache)) {
|
|
*count = 0;
|
|
return;
|
|
}
|
|
|
|
*count = bta_gattc_get_db_size(p_srcb->p_srvc_cache, start_handle, end_handle);
|
|
}
|
|
|
|
void bta_gattc_get_db_size_with_type_handle(UINT16 conn_id, bt_gatt_db_attribute_type_t type,
|
|
UINT16 start_handle, UINT16 end_handle, UINT16 char_handle, UINT16 *count)
|
|
{
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (p_clcb == NULL) {
|
|
*count = 0;
|
|
return;
|
|
}
|
|
|
|
tBTA_GATTC_SERV *p_srcb = p_clcb->p_srcb;
|
|
if (!p_srcb->p_srvc_cache || list_is_empty(p_srcb->p_srvc_cache)) {
|
|
*count = 0;
|
|
return;
|
|
}
|
|
|
|
if (type == BTGATT_DB_DESCRIPTOR) {
|
|
if (char_handle == BTA_GATTC_INVALID_HANDLE) {
|
|
*count = 0;
|
|
return;
|
|
} else {
|
|
tBTA_GATTC_CHARACTERISTIC *char_db = bta_gattc_get_characteristic(conn_id, char_handle);
|
|
*count = char_db ? list_length(char_db->descriptors) : 0;
|
|
return;
|
|
}
|
|
}
|
|
*count = bta_gattc_get_db_size_with_type(p_srcb->p_srvc_cache, type, NULL, start_handle, end_handle);
|
|
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_get_gatt_db_impl
|
|
**
|
|
** Description copy the server GATT database into db parameter.
|
|
**
|
|
** Parameters p_srvc_cb: server.
|
|
** db: output parameter which will contain GATT database copy.
|
|
** Caller is responsible for freeing it.
|
|
** count: output parameter which will contain number of
|
|
** elements in database.
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_gattc_get_gatt_db_impl(tBTA_GATTC_SERV *p_srvc_cb,
|
|
UINT16 start_handle, UINT16 end_handle,
|
|
btgatt_db_element_t **db,
|
|
UINT16 *count)
|
|
{
|
|
APPL_TRACE_DEBUG("%s: start_handle 0x%04x, end_handle 0x%04x",
|
|
__func__, start_handle, end_handle);
|
|
|
|
if (!p_srvc_cb->p_srvc_cache || list_is_empty(p_srvc_cb->p_srvc_cache)) {
|
|
*count = 0;
|
|
*db = NULL;
|
|
return;
|
|
}
|
|
|
|
size_t db_size = bta_gattc_get_db_size(p_srvc_cb->p_srvc_cache, start_handle, end_handle);
|
|
|
|
void* buffer = osi_malloc(db_size * sizeof(btgatt_db_element_t));
|
|
if (!buffer) {
|
|
APPL_TRACE_WARNING("%s(), no resource.", __func__);
|
|
*db = NULL;
|
|
*count = 0;
|
|
return;
|
|
}
|
|
btgatt_db_element_t *curr_db_attr = buffer;
|
|
|
|
for (list_node_t *sn = list_begin(p_srvc_cb->p_srvc_cache);
|
|
sn != list_end(p_srvc_cb->p_srvc_cache); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *p_cur_srvc = list_node(sn);
|
|
|
|
if (p_cur_srvc->e_handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_cur_srvc->s_handle > end_handle) {
|
|
break;
|
|
}
|
|
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
p_cur_srvc->is_primary ?
|
|
BTGATT_DB_PRIMARY_SERVICE :
|
|
BTGATT_DB_SECONDARY_SERVICE,
|
|
0 /* att_handle */,
|
|
p_cur_srvc->s_handle,
|
|
p_cur_srvc->e_handle,
|
|
p_cur_srvc->s_handle,
|
|
p_cur_srvc->uuid,
|
|
0 /* prop */);
|
|
curr_db_attr++;
|
|
|
|
if (p_cur_srvc->characteristics && !list_is_empty(p_cur_srvc->characteristics)) {
|
|
|
|
for (list_node_t *cn = list_begin(p_cur_srvc->characteristics);
|
|
cn != list_end(p_cur_srvc->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
|
|
if (p_char->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_char->handle > end_handle) {
|
|
*db = buffer;
|
|
*count = db_size;
|
|
return;
|
|
}
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
BTGATT_DB_CHARACTERISTIC,
|
|
p_char->handle,
|
|
0 /* s_handle */,
|
|
0 /* e_handle */,
|
|
p_char->handle,
|
|
p_char->uuid,
|
|
p_char->properties);
|
|
curr_db_attr++;
|
|
|
|
if (!p_char->descriptors || list_is_empty(p_char->descriptors)) {
|
|
continue;
|
|
}
|
|
|
|
for (list_node_t *dn = list_begin(p_char->descriptors);
|
|
dn != list_end(p_char->descriptors); dn = list_next(dn)) {
|
|
tBTA_GATTC_DESCRIPTOR *p_desc = list_node(dn);
|
|
|
|
if (p_desc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_desc->handle > end_handle) {
|
|
*db = buffer;
|
|
*count = db_size;
|
|
return;
|
|
}
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
BTGATT_DB_DESCRIPTOR,
|
|
p_desc->handle,
|
|
0 /* s_handle */,
|
|
0 /* e_handle */,
|
|
p_desc->handle,
|
|
p_desc->uuid,
|
|
0 /* property */);
|
|
curr_db_attr++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!p_cur_srvc->included_svc || list_is_empty(p_cur_srvc->included_svc)) {
|
|
continue;
|
|
}
|
|
|
|
for (list_node_t *isn = list_begin(p_cur_srvc->included_svc);
|
|
isn != list_end(p_cur_srvc->included_svc); isn = list_next(isn)) {
|
|
tBTA_GATTC_INCLUDED_SVC *p_isvc = list_node(isn);
|
|
|
|
if (p_isvc->handle < start_handle) {
|
|
continue;
|
|
}
|
|
|
|
if (p_isvc->handle > end_handle) {
|
|
*db = buffer;
|
|
*count = db_size;
|
|
return;
|
|
}
|
|
bta_gattc_fill_gatt_db_el(curr_db_attr,
|
|
BTGATT_DB_INCLUDED_SERVICE,
|
|
p_isvc->handle,
|
|
0 /* s_handle */,
|
|
0 /* e_handle */,
|
|
p_isvc->handle,
|
|
p_isvc->uuid,
|
|
0 /* property */);
|
|
curr_db_attr++;
|
|
}
|
|
}
|
|
|
|
*db = buffer;
|
|
*count = db_size;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_get_gatt_db
|
|
**
|
|
** Description copy the server GATT database into db parameter.
|
|
**
|
|
** Parameters conn_id: connection ID which identify the server.
|
|
** db: output parameter which will contain GATT database copy.
|
|
** Caller is responsible for freeing it.
|
|
** count: number of elements in database.
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_get_gatt_db(UINT16 conn_id, UINT16 start_handle, UINT16 end_handle, btgatt_db_element_t **db, UINT16 *count)
|
|
{
|
|
tBTA_GATTC_CLCB *p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id);
|
|
|
|
if (p_clcb == NULL) {
|
|
APPL_TRACE_ERROR("Unknown conn ID: %d", conn_id);
|
|
return;
|
|
}
|
|
|
|
if (p_clcb->state != BTA_GATTC_CONN_ST) {
|
|
APPL_TRACE_ERROR("server cache not available, CLCB state = %d",
|
|
p_clcb->state);
|
|
return;
|
|
}
|
|
|
|
if (!p_clcb->p_srcb || p_clcb->p_srcb->p_srvc_list || /* no active discovery */
|
|
!p_clcb->p_srcb->p_srvc_cache) {
|
|
APPL_TRACE_ERROR("No server cache available");
|
|
return;
|
|
}
|
|
|
|
bta_gattc_get_gatt_db_impl(p_clcb->p_srcb, start_handle, end_handle, db, count);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_rebuild_cache
|
|
**
|
|
** Description rebuild server cache from NV cache.
|
|
**
|
|
** Parameters
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_rebuild_cache(tBTA_GATTC_SERV *p_srvc_cb, UINT16 num_attr,
|
|
tBTA_GATTC_NV_ATTR *p_attr)
|
|
{
|
|
/* first attribute loading, initialize buffer */
|
|
APPL_TRACE_DEBUG("%s: bta_gattc_rebuild_cache, num_attr = %d", __func__, num_attr);
|
|
|
|
list_free(p_srvc_cb->p_srvc_cache);
|
|
p_srvc_cb->p_srvc_cache = NULL;
|
|
|
|
while (num_attr > 0 && p_attr != NULL) {
|
|
switch (p_attr->attr_type) {
|
|
case BTA_GATTC_ATTR_TYPE_SRVC:
|
|
bta_gattc_add_srvc_to_cache(p_srvc_cb,
|
|
p_attr->s_handle,
|
|
p_attr->e_handle,
|
|
&p_attr->uuid,
|
|
p_attr->is_primary);
|
|
break;
|
|
|
|
case BTA_GATTC_ATTR_TYPE_CHAR:
|
|
//TODO(jpawlowski): store decl_handle properly.
|
|
bta_gattc_add_char_to_cache(p_srvc_cb,
|
|
p_attr->s_handle,
|
|
p_attr->s_handle,
|
|
&p_attr->uuid,
|
|
p_attr->prop);
|
|
break;
|
|
|
|
case BTA_GATTC_ATTR_TYPE_CHAR_DESCR:
|
|
bta_gattc_add_attr_to_cache(p_srvc_cb,
|
|
p_attr->s_handle,
|
|
&p_attr->uuid,
|
|
p_attr->prop,
|
|
p_attr->incl_srvc_s_handle,
|
|
p_attr->incl_srvc_e_handle,
|
|
p_attr->attr_type);
|
|
break;
|
|
case BTA_GATTC_ATTR_TYPE_INCL_SRVC:
|
|
bta_gattc_add_attr_to_cache(p_srvc_cb,
|
|
p_attr->s_handle,
|
|
&p_attr->uuid,
|
|
p_attr->prop,
|
|
p_attr->incl_srvc_s_handle,
|
|
p_attr->incl_srvc_e_handle,
|
|
p_attr->attr_type);
|
|
break;
|
|
}
|
|
p_attr ++;
|
|
num_attr --;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_fill_nv_attr
|
|
**
|
|
** Description fill a NV attribute entry value
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_fill_nv_attr(tBTA_GATTC_NV_ATTR *p_attr, UINT8 type, UINT16 s_handle,
|
|
UINT16 e_handle, tBT_UUID uuid, UINT8 prop, UINT16 incl_srvc_s_handle,
|
|
UINT16 incl_srvc_e_handle, BOOLEAN is_primary)
|
|
{
|
|
p_attr->s_handle = s_handle;
|
|
p_attr->e_handle = e_handle;
|
|
p_attr->attr_type = type;
|
|
p_attr->is_primary = is_primary;
|
|
p_attr->id = 0;
|
|
p_attr->prop = prop;
|
|
p_attr->incl_srvc_s_handle = incl_srvc_s_handle;
|
|
p_attr->incl_srvc_e_handle = incl_srvc_e_handle;
|
|
|
|
memcpy(&p_attr->uuid, &uuid, sizeof(tBT_UUID));
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_cache_save
|
|
**
|
|
** Description save the server cache into NV
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_cache_save(tBTA_GATTC_SERV *p_srvc_cb, UINT16 conn_id)
|
|
{
|
|
if (!p_srvc_cb->p_srvc_cache || list_is_empty(p_srvc_cb->p_srvc_cache)) {
|
|
return;
|
|
}
|
|
|
|
int i = 0;
|
|
size_t db_size = bta_gattc_get_db_size(p_srvc_cb->p_srvc_cache, 0x0000, 0xFFFF);
|
|
tBTA_GATTC_NV_ATTR *nv_attr = osi_malloc(db_size * sizeof(tBTA_GATTC_NV_ATTR));
|
|
// This step is very importent, if not clear the memory, the hasy key base on the attribute case will be not corret.
|
|
if (nv_attr != NULL) {
|
|
memset(nv_attr, 0, db_size * sizeof(tBTA_GATTC_NV_ATTR));
|
|
}
|
|
|
|
if (!nv_attr) {
|
|
APPL_TRACE_WARNING("%s(), no resource.", __func__);
|
|
return;
|
|
}
|
|
for (list_node_t *sn = list_begin(p_srvc_cb->p_srvc_cache);
|
|
sn != list_end(p_srvc_cb->p_srvc_cache); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *p_cur_srvc = list_node(sn);
|
|
|
|
bta_gattc_fill_nv_attr(&nv_attr[i++],
|
|
BTA_GATTC_ATTR_TYPE_SRVC,
|
|
p_cur_srvc->s_handle,
|
|
p_cur_srvc->e_handle,
|
|
p_cur_srvc->uuid,
|
|
0 /* properties */,
|
|
0 /* incl_srvc_s_handle */,
|
|
0 /* incl_srvc_e_handle */,
|
|
p_cur_srvc->is_primary);
|
|
}
|
|
|
|
for (list_node_t *sn = list_begin(p_srvc_cb->p_srvc_cache);
|
|
sn != list_end(p_srvc_cb->p_srvc_cache); sn = list_next(sn)) {
|
|
tBTA_GATTC_SERVICE *p_cur_srvc = list_node(sn);
|
|
|
|
if (!p_cur_srvc->characteristics || list_is_empty(p_cur_srvc->characteristics)) {
|
|
continue;
|
|
}
|
|
|
|
for (list_node_t *cn = list_begin(p_cur_srvc->characteristics);
|
|
cn != list_end(p_cur_srvc->characteristics); cn = list_next(cn)) {
|
|
tBTA_GATTC_CHARACTERISTIC *p_char = list_node(cn);
|
|
|
|
bta_gattc_fill_nv_attr(&nv_attr[i++],
|
|
BTA_GATTC_ATTR_TYPE_CHAR,
|
|
p_char->handle,
|
|
0,
|
|
p_char->uuid,
|
|
p_char->properties,
|
|
0 /* incl_srvc_s_handle */,
|
|
0 /* incl_srvc_e_handle */,
|
|
FALSE);
|
|
|
|
if (!p_char->descriptors || list_is_empty(p_char->descriptors)) {
|
|
continue;
|
|
}
|
|
|
|
for (list_node_t *dn = list_begin(p_char->descriptors);
|
|
dn != list_end(p_char->descriptors); dn = list_next(dn)) {
|
|
tBTA_GATTC_DESCRIPTOR *p_desc = list_node(dn);
|
|
|
|
bta_gattc_fill_nv_attr(&nv_attr[i++],
|
|
BTA_GATTC_ATTR_TYPE_CHAR_DESCR,
|
|
p_desc->handle,
|
|
0,
|
|
p_desc->uuid,
|
|
0 /* properties */,
|
|
0 /* incl_srvc_s_handle */,
|
|
0 /* incl_srvc_e_handle */,
|
|
FALSE);
|
|
}
|
|
}
|
|
|
|
if (!p_cur_srvc->included_svc || list_is_empty(p_cur_srvc->included_svc)) {
|
|
continue;
|
|
}
|
|
|
|
for (list_node_t *an = list_begin(p_cur_srvc->included_svc);
|
|
an != list_end(p_cur_srvc->included_svc); an = list_next(an)) {
|
|
tBTA_GATTC_INCLUDED_SVC *p_isvc = list_node(an);
|
|
|
|
bta_gattc_fill_nv_attr(&nv_attr[i++],
|
|
BTA_GATTC_ATTR_TYPE_INCL_SRVC,
|
|
p_isvc->handle,
|
|
0,
|
|
p_isvc->uuid,
|
|
0 /* properties */,
|
|
p_isvc->included_service->s_handle,
|
|
p_isvc->included_service->e_handle,
|
|
FALSE);
|
|
}
|
|
}
|
|
|
|
/* TODO: Gattc cache write/read need to be added in IDF 3.1*/
|
|
bta_gattc_cache_write(p_srvc_cb->server_bda, db_size, nv_attr);
|
|
osi_free(nv_attr);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_cache_load
|
|
**
|
|
** Description Load GATT cache from storage for server.
|
|
**
|
|
** Parameter p_clcb: pointer to server clcb, that will
|
|
** be filled from storage
|
|
** Returns true on success, false otherwise
|
|
**
|
|
*******************************************************************************/
|
|
bool bta_gattc_cache_load(tBTA_GATTC_CLCB *p_clcb)
|
|
{
|
|
/* open NV cache and send call in */
|
|
tBTA_GATT_STATUS status = BTA_GATT_OK;
|
|
UINT8 index = 0;
|
|
tBTA_GATTC_NV_ATTR *attr = NULL;
|
|
|
|
if ((status = bta_gattc_co_cache_open(p_clcb->p_srcb->server_bda, true, &index)) != BTA_GATT_OK) {
|
|
APPL_TRACE_DEBUG("%s(), gattc cache open fail, index = %x", __func__, index);
|
|
return false;
|
|
}
|
|
|
|
size_t num_attr = bta_gattc_get_cache_attr_length(index) / sizeof(tBTA_GATTC_NV_ATTR);
|
|
|
|
if (!num_attr) {
|
|
return false;
|
|
}
|
|
//don't forget to set the total attribute number.
|
|
p_clcb->p_srcb->total_attr = num_attr;
|
|
APPL_TRACE_DEBUG("%s(), index = %x, num_attr = %d", __func__, index, num_attr);
|
|
if ((attr = osi_malloc(sizeof(tBTA_GATTC_NV_ATTR) * num_attr)) == NULL) {
|
|
APPL_TRACE_ERROR("%s, No Memory.", __func__);
|
|
return false;
|
|
}
|
|
if ((status = bta_gattc_co_cache_load(attr, index)) != BTA_GATT_OK) {
|
|
APPL_TRACE_DEBUG("%s(), gattc cache load fail, status = %x", __func__, status);
|
|
return false;
|
|
}
|
|
p_clcb->searched_service_source = BTA_GATTC_SERVICE_INFO_FROM_NVS_FLASH;
|
|
bta_gattc_rebuild_cache(p_clcb->p_srcb, num_attr, attr);
|
|
//free the attr buffer after used.
|
|
osi_free(attr);
|
|
return true;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_cache_write
|
|
**
|
|
** Description This callout function is executed by GATT when a server cache
|
|
** is available to save.
|
|
**
|
|
** Parameter server_bda: server bd address of this cache belongs to
|
|
** num_attr: number of attribute to be save.
|
|
** attr: pointer to the list of attributes to save.
|
|
** Returns
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_gattc_cache_write(BD_ADDR server_bda, UINT16 num_attr,
|
|
tBTA_GATTC_NV_ATTR *attr)
|
|
{
|
|
bta_gattc_co_cache_save(server_bda, num_attr, attr);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_gattc_cache_reset
|
|
**
|
|
** Description This callout function is executed by GATTC to reset cache in
|
|
** application
|
|
**
|
|
** Parameter server_bda: server bd address of this cache belongs to
|
|
**
|
|
** Returns void.
|
|
**
|
|
*******************************************************************************/
|
|
void bta_gattc_cache_reset(BD_ADDR server_bda)
|
|
{
|
|
BTIF_TRACE_DEBUG("%s", __func__);
|
|
char fname[255] = {0};
|
|
bta_gattc_generate_cache_file_name(fname, server_bda);
|
|
bta_gattc_co_cache_reset(server_bda);
|
|
//unlink(fname);
|
|
}
|
|
|
|
//#endif /* GATTC_CACHE_NVS */
|
|
#endif /* BTA_GATT_INCLUDED */
|