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371 lines
12 KiB
371 lines
12 KiB
/******************************************************************************
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*
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* Copyright 2010-2012 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 is the implementation of the API for GATT server of BTA.
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*
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******************************************************************************/
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#include <base/bind.h>
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#include <base/location.h>
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#include <cstdint>
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#include <memory>
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#include <vector>
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#include "bt_target.h" // Must be first to define build configuration
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#include "bta/gatt/bta_gatts_int.h"
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#include "osi/include/allocator.h"
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#include "stack/include/btu.h" // do_in_main_thread
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#include "types/bluetooth/uuid.h"
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#include "types/bt_transport.h"
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#include "types/raw_address.h"
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/*****************************************************************************
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* Constants
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****************************************************************************/
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static const tBTA_SYS_REG bta_gatts_reg = {bta_gatts_hdl_event,
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BTA_GATTS_Disable};
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/*******************************************************************************
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*
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* Function BTA_GATTS_Disable
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*
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* Description This function is called to disable GATTS module
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*
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* Parameters None.
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*
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* Returns None
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*
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******************************************************************************/
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void BTA_GATTS_Disable(void) {
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if (!bta_sys_is_register(BTA_ID_GATTS)) {
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LOG(WARNING) << "GATTS Module not enabled/already disabled";
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return;
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}
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BT_HDR_RIGID* p_buf = (BT_HDR_RIGID*)osi_malloc(sizeof(BT_HDR_RIGID));
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p_buf->event = BTA_GATTS_API_DISABLE_EVT;
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bta_sys_sendmsg(p_buf);
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bta_sys_deregister(BTA_ID_GATTS);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_AppRegister
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*
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* Description This function is called to register application callbacks
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* with BTA GATTS module.
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*
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* Parameters p_app_uuid - applicaiton UUID
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* p_cback - pointer to the application callback function.
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*
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* Returns None
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*
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******************************************************************************/
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void BTA_GATTS_AppRegister(const bluetooth::Uuid& app_uuid,
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tBTA_GATTS_CBACK* p_cback, bool eatt_support) {
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tBTA_GATTS_API_REG* p_buf =
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(tBTA_GATTS_API_REG*)osi_malloc(sizeof(tBTA_GATTS_API_REG));
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/* register with BTA system manager */
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if (!bta_sys_is_register(BTA_ID_GATTS))
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bta_sys_register(BTA_ID_GATTS, &bta_gatts_reg);
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p_buf->hdr.event = BTA_GATTS_API_REG_EVT;
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p_buf->app_uuid = app_uuid;
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p_buf->p_cback = p_cback;
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p_buf->eatt_support = eatt_support;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_AppDeregister
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*
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* Description De-register with GATT Server.
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*
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* Parameters app_id: applicatino ID.
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*
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* Returns void
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*
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******************************************************************************/
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void BTA_GATTS_AppDeregister(tGATT_IF server_if) {
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tBTA_GATTS_API_DEREG* p_buf =
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(tBTA_GATTS_API_DEREG*)osi_malloc(sizeof(tBTA_GATTS_API_DEREG));
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p_buf->hdr.event = BTA_GATTS_API_DEREG_EVT;
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p_buf->server_if = server_if;
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bta_sys_sendmsg(p_buf);
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}
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void bta_gatts_add_service_impl(tGATT_IF server_if,
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std::vector<btgatt_db_element_t> service,
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BTA_GATTS_AddServiceCb cb) {
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uint8_t rcb_idx =
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bta_gatts_find_app_rcb_idx_by_app_if(&bta_gatts_cb, server_if);
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LOG(INFO) << __func__ << ": rcb_idx=" << +rcb_idx;
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if (rcb_idx == BTA_GATTS_INVALID_APP) {
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cb.Run(GATT_ERROR, server_if, std::move(service));
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return;
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}
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uint8_t srvc_idx = bta_gatts_alloc_srvc_cb(&bta_gatts_cb, rcb_idx);
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if (srvc_idx == BTA_GATTS_INVALID_APP) {
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cb.Run(GATT_ERROR, server_if, std::move(service));
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return;
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}
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tGATT_STATUS status =
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GATTS_AddService(server_if, service.data(), service.size());
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if (status != GATT_SERVICE_STARTED) {
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memset(&bta_gatts_cb.srvc_cb[srvc_idx], 0, sizeof(tBTA_GATTS_SRVC_CB));
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LOG(ERROR) << __func__ << ": service creation failed.";
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cb.Run(GATT_ERROR, server_if, std::move(service));
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return;
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}
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bta_gatts_cb.srvc_cb[srvc_idx].service_uuid = service[0].uuid;
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// service_id is equal to service start handle
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bta_gatts_cb.srvc_cb[srvc_idx].service_id = service[0].attribute_handle;
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bta_gatts_cb.srvc_cb[srvc_idx].idx = srvc_idx;
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cb.Run(GATT_SUCCESS, server_if, std::move(service));
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return;
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_AddService
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*
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* Description Add the given |service| and all included elements to the
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* GATT database. a |BTA_GATTS_ADD_SRVC_EVT| is triggered to
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* report the status and attribute handles.
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*
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* Parameters server_if: server interface.
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* service: pointer vector describing service.
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*
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* Returns Returns |GATT_SUCCESS| on success or |GATT_ERROR| if the
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* service cannot be added.
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*
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******************************************************************************/
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extern void BTA_GATTS_AddService(tGATT_IF server_if,
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std::vector<btgatt_db_element_t> service,
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BTA_GATTS_AddServiceCb cb) {
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do_in_main_thread(FROM_HERE,
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base::Bind(&bta_gatts_add_service_impl, server_if,
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std::move(service), std::move(cb)));
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_DeleteService
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*
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* Description This function is called to delete a service. When this is
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* done, a callback event BTA_GATTS_DELETE_EVT is report with
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* the status.
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*
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* Parameters service_id: service_id to be deleted.
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*
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* Returns returns none.
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*
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******************************************************************************/
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void BTA_GATTS_DeleteService(uint16_t service_id) {
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BT_HDR_RIGID* p_buf = (BT_HDR_RIGID*)osi_malloc(sizeof(BT_HDR_RIGID));
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p_buf->event = BTA_GATTS_API_DEL_SRVC_EVT;
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p_buf->layer_specific = service_id;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_StopService
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*
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* Description This function is called to stop a service.
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*
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* Parameters service_id - service to be topped.
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*
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* Returns None
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*
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******************************************************************************/
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void BTA_GATTS_StopService(uint16_t service_id) {
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BT_HDR_RIGID* p_buf = (BT_HDR_RIGID*)osi_malloc(sizeof(BT_HDR_RIGID));
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p_buf->event = BTA_GATTS_API_STOP_SRVC_EVT;
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p_buf->layer_specific = service_id;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_HandleValueIndication
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*
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* Description This function is called to read a characteristics
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* descriptor.
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*
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* Parameters bda - remote device bd address to indicate.
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* attr_id - attribute ID to indicate.
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* value - data to indicate.
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* need_confirm - if this indication expects a confirmation or
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* not.
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*
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* Returns None
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*
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******************************************************************************/
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void BTA_GATTS_HandleValueIndication(uint16_t conn_id, uint16_t attr_id,
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std::vector<uint8_t> value,
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bool need_confirm) {
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if (value.size() > sizeof(tBTA_GATTS_API_INDICATION::value)) {
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LOG(ERROR) << __func__ << "data to indicate is too long";
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return;
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}
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tBTA_GATTS_API_INDICATION* p_buf =
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(tBTA_GATTS_API_INDICATION*)osi_calloc(sizeof(tBTA_GATTS_API_INDICATION));
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p_buf->hdr.event = BTA_GATTS_API_INDICATION_EVT;
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p_buf->hdr.layer_specific = conn_id;
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p_buf->attr_id = attr_id;
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p_buf->need_confirm = need_confirm;
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if (value.size() > 0) {
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p_buf->len = value.size();
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memcpy(p_buf->value, value.data(), value.size());
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}
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_SendRsp
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*
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* Description This function is called to send a response to a request.
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*
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* Parameters conn_id - connection identifier.
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* trans_id - transaction ID.
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* status - response status
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* p_msg - response data.
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*
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* Returns None
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*
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******************************************************************************/
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void BTA_GATTS_SendRsp(uint16_t conn_id, uint32_t trans_id, tGATT_STATUS status,
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tGATTS_RSP* p_msg) {
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const size_t len = sizeof(tBTA_GATTS_API_RSP) + sizeof(tGATTS_RSP);
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tBTA_GATTS_API_RSP* p_buf = (tBTA_GATTS_API_RSP*)osi_calloc(len);
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p_buf->hdr.event = BTA_GATTS_API_RSP_EVT;
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p_buf->hdr.layer_specific = conn_id;
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p_buf->trans_id = trans_id;
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p_buf->status = status;
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if (p_msg != NULL) {
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p_buf->p_rsp = (tGATTS_RSP*)(p_buf + 1);
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memcpy(p_buf->p_rsp, p_msg, sizeof(tGATTS_RSP));
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}
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_Open
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*
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* Description Open a direct open connection or add a background auto
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* connection bd address
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*
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* Parameters server_if: server interface.
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* remote_bda: remote device BD address.
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* is_direct: direct connection or background auto connection
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* transport : Transport on which GATT connection to be opened
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* (BR/EDR or LE)
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*
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* Returns void
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*
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******************************************************************************/
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void BTA_GATTS_Open(tGATT_IF server_if, const RawAddress& remote_bda,
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bool is_direct, tBT_TRANSPORT transport) {
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tBTA_GATTS_API_OPEN* p_buf =
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(tBTA_GATTS_API_OPEN*)osi_malloc(sizeof(tBTA_GATTS_API_OPEN));
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p_buf->hdr.event = BTA_GATTS_API_OPEN_EVT;
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p_buf->server_if = server_if;
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p_buf->is_direct = is_direct;
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p_buf->transport = transport;
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p_buf->remote_bda = remote_bda;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_CancelOpen
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*
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* Description Cancel a direct open connection or remove a background auto
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* connection bd address
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*
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* Parameters server_if: server interface.
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* remote_bda: remote device BD address.
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* is_direct: direct connection or background auto connection
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*
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* Returns void
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*
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******************************************************************************/
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void BTA_GATTS_CancelOpen(tGATT_IF server_if, const RawAddress& remote_bda,
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bool is_direct) {
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tBTA_GATTS_API_CANCEL_OPEN* p_buf = (tBTA_GATTS_API_CANCEL_OPEN*)osi_malloc(
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sizeof(tBTA_GATTS_API_CANCEL_OPEN));
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p_buf->hdr.event = BTA_GATTS_API_CANCEL_OPEN_EVT;
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p_buf->server_if = server_if;
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p_buf->is_direct = is_direct;
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p_buf->remote_bda = remote_bda;
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bta_sys_sendmsg(p_buf);
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}
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/*******************************************************************************
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*
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* Function BTA_GATTS_Close
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*
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* Description Close a connection a remote device.
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*
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* Parameters conn_id: connectino ID to be closed.
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*
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* Returns void
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*
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******************************************************************************/
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void BTA_GATTS_Close(uint16_t conn_id) {
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BT_HDR_RIGID* p_buf = (BT_HDR_RIGID*)osi_malloc(sizeof(BT_HDR_RIGID));
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p_buf->event = BTA_GATTS_API_CLOSE_EVT;
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p_buf->layer_specific = conn_id;
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bta_sys_sendmsg(p_buf);
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}
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