| /****************************************************************************** |
| * |
| * Copyright (C) 2010-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This is the implementation of the API for GATT module of BTA. |
| * |
| ******************************************************************************/ |
| |
| #include "bt_target.h" |
| |
| #include <string.h> |
| |
| #include <base/bind.h> |
| #include <base/bind_helpers.h> |
| #include <base/callback.h> |
| #include "bt_common.h" |
| #include "bta_closure_api.h" |
| #include "bta_gatt_api.h" |
| #include "bta_gattc_int.h" |
| #include "bta_sys.h" |
| #include "device/include/controller.h" |
| |
| /***************************************************************************** |
| * Constants |
| ****************************************************************************/ |
| |
| static const tBTA_SYS_REG bta_gattc_reg = {bta_gattc_hdl_event, |
| BTA_GATTC_Disable}; |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_Disable |
| * |
| * Description This function is called to disable GATTC module |
| * |
| * Parameters None. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_Disable(void) { |
| if (bta_sys_is_register(BTA_ID_GATTC) == false) { |
| APPL_TRACE_WARNING("GATTC Module not enabled/already disabled"); |
| return; |
| } |
| |
| do_in_bta_thread(FROM_HERE, base::Bind(&bta_gattc_disable)); |
| bta_sys_deregister(BTA_ID_GATTC); |
| } |
| |
| static void create_random_uuid(tBT_UUID* uuid) { |
| uuid->len = LEN_UUID_128; |
| |
| for (int i = 0; i < 16; ++i) { |
| uuid->uu.uuid128[i] = (uint8_t)(rand() % 256); |
| } |
| } |
| |
| /** |
| * This function is called to register application callbacks with BTA GATTC |
| * module. |client_cb| pointer to the application callback function. |
| * |cb| one time callback when registration is finished |
| */ |
| void BTA_GATTC_AppRegister(tBTA_GATTC_CBACK* p_client_cb, |
| BtaAppRegisterCallback cb) { |
| if (bta_sys_is_register(BTA_ID_GATTC) == false) |
| bta_sys_register(BTA_ID_GATTC, &bta_gattc_reg); |
| |
| // base::Owned will own and free app_uuid |
| tBT_UUID* uuid = new tBT_UUID; |
| create_random_uuid(uuid); |
| do_in_bta_thread(FROM_HERE, base::Bind(&bta_gattc_register, base::Owned(uuid), |
| p_client_cb, std::move(cb))); |
| } |
| |
| static void app_deregister_impl(tBTA_GATTC_IF client_if) { |
| bta_gattc_deregister(bta_gattc_cl_get_regcb(client_if)); |
| } |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_AppDeregister |
| * |
| * Description This function is called to deregister an application |
| * from BTA GATTC module. |
| * |
| * Parameters client_if - client interface identifier. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_AppDeregister(tBTA_GATTC_IF client_if) { |
| do_in_bta_thread(FROM_HERE, base::Bind(&app_deregister_impl, client_if)); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_Open |
| * |
| * Description Open a direct connection or add a background auto connection |
| * bd address |
| * |
| * Parameters client_if: server interface. |
| * remote_bda: remote device BD address. |
| * is_direct: direct connection or background auto connection |
| * transport: Transport to be used for GATT connection |
| * (BREDR/LE) |
| * initiating_phys: LE PHY to use, optional |
| * opportunistic: wether the connection shall be opportunistic, |
| * and don't impact the disconnection timer |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_Open(tBTA_GATTC_IF client_if, const RawAddress& remote_bda, |
| bool is_direct, tBTA_GATT_TRANSPORT transport, |
| bool opportunistic) { |
| uint8_t phy = controller_get_interface()->get_le_all_initiating_phys(); |
| BTA_GATTC_Open(client_if, remote_bda, is_direct, transport, opportunistic, |
| phy); |
| } |
| |
| void BTA_GATTC_Open(tBTA_GATTC_IF client_if, const RawAddress& remote_bda, |
| bool is_direct, tBTA_GATT_TRANSPORT transport, |
| bool opportunistic, uint8_t initiating_phys) { |
| tBTA_GATTC_API_OPEN* p_buf = |
| (tBTA_GATTC_API_OPEN*)osi_malloc(sizeof(tBTA_GATTC_API_OPEN)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_OPEN_EVT; |
| p_buf->client_if = client_if; |
| p_buf->is_direct = is_direct; |
| p_buf->transport = transport; |
| p_buf->initiating_phys = initiating_phys; |
| p_buf->opportunistic = opportunistic; |
| p_buf->remote_bda = remote_bda; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_CancelOpen |
| * |
| * Description Cancel a direct open connection or remove a background auto |
| * connection |
| * bd address |
| * |
| * Parameters client_if: server interface. |
| * remote_bda: remote device BD address. |
| * is_direct: direct connection or background auto connection |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_CancelOpen(tBTA_GATTC_IF client_if, const RawAddress& remote_bda, |
| bool is_direct) { |
| tBTA_GATTC_API_CANCEL_OPEN* p_buf = (tBTA_GATTC_API_CANCEL_OPEN*)osi_malloc( |
| sizeof(tBTA_GATTC_API_CANCEL_OPEN)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_CANCEL_OPEN_EVT; |
| p_buf->client_if = client_if; |
| p_buf->is_direct = is_direct; |
| p_buf->remote_bda = remote_bda; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_Close |
| * |
| * Description Close a connection to a GATT server. |
| * |
| * Parameters conn_id: connectino ID to be closed. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_Close(uint16_t conn_id) { |
| BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR)); |
| |
| p_buf->event = BTA_GATTC_API_CLOSE_EVT; |
| p_buf->layer_specific = conn_id; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_ConfigureMTU |
| * |
| * Description Configure the MTU size in the GATT channel. This can be done |
| * only once per connection. |
| * |
| * Parameters conn_id: connection ID. |
| * mtu: desired MTU size to use. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_ConfigureMTU(uint16_t conn_id, uint16_t mtu) { |
| tBTA_GATTC_API_CFG_MTU* p_buf = |
| (tBTA_GATTC_API_CFG_MTU*)osi_malloc(sizeof(tBTA_GATTC_API_CFG_MTU)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_CFG_MTU_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->mtu = mtu; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_ServiceSearchRequest |
| * |
| * Description This function is called to request a GATT service discovery |
| * on a GATT server. This function report service search |
| * result by a callback event, and followed by a service search |
| * complete event. |
| * |
| * Parameters conn_id: connection ID. |
| * p_srvc_uuid: a UUID of the service application is interested |
| * in. |
| * If Null, discover for all services. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_ServiceSearchRequest(uint16_t conn_id, tBT_UUID* p_srvc_uuid) { |
| const size_t len = sizeof(tBTA_GATTC_API_SEARCH) + sizeof(tBT_UUID); |
| tBTA_GATTC_API_SEARCH* p_buf = (tBTA_GATTC_API_SEARCH*)osi_calloc(len); |
| |
| p_buf->hdr.event = BTA_GATTC_API_SEARCH_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| if (p_srvc_uuid) { |
| p_buf->p_srvc_uuid = (tBT_UUID*)(p_buf + 1); |
| memcpy(p_buf->p_srvc_uuid, p_srvc_uuid, sizeof(tBT_UUID)); |
| } else { |
| p_buf->p_srvc_uuid = NULL; |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| void BTA_GATTC_DiscoverServiceByUuid(uint16_t conn_id, tBT_UUID* p_srvc_uuid) { |
| tGATT_DISC_PARAM* param = new tGATT_DISC_PARAM; |
| param->s_handle = 0x0001; |
| param->e_handle = 0xFFFF; |
| param->service = *p_srvc_uuid; |
| do_in_bta_thread(FROM_HERE, |
| base::Bind(base::IgnoreResult(&GATTC_Discover), conn_id, |
| GATT_DISC_SRVC_BY_UUID, base::Owned(param))); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_GetServices |
| * |
| * Description This function is called to find the services on the given |
| * server. |
| * |
| * Parameters conn_id: connection ID which identify the server. |
| * |
| * Returns returns list_t of tBTA_GATTC_SERVICE or NULL. |
| * |
| ******************************************************************************/ |
| const list_t* BTA_GATTC_GetServices(uint16_t conn_id) { |
| return bta_gattc_get_services(conn_id); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_GetCharacteristic |
| * |
| * Description This function is called to find the characteristic on the |
| * given server. |
| * |
| * Parameters conn_id - connection ID which identify the server. |
| * handle - characteristic handle |
| * |
| * Returns returns pointer to tBTA_GATTC_CHARACTERISTIC or NULL. |
| * |
| ******************************************************************************/ |
| const tBTA_GATTC_CHARACTERISTIC* BTA_GATTC_GetCharacteristic(uint16_t conn_id, |
| uint16_t handle) { |
| return bta_gattc_get_characteristic(conn_id, handle); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_GetDescriptor |
| * |
| * Description This function is called to find the characteristic on the |
| * given server. |
| * |
| * Parameters conn_id - connection ID which identify the server. |
| * handle - descriptor handle |
| * |
| * Returns returns pointer to tBTA_GATTC_DESCRIPTOR or NULL. |
| * |
| ******************************************************************************/ |
| const tBTA_GATTC_DESCRIPTOR* BTA_GATTC_GetDescriptor(uint16_t conn_id, |
| uint16_t handle) { |
| return bta_gattc_get_descriptor(conn_id, handle); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_GetGattDb |
| * |
| * Description This function is called to get the GATT database. |
| * |
| * Parameters conn_id: connection ID which identify the server. |
| * db: output parameter which will contain the GATT database |
| * copy. Caller is responsible for freeing it. |
| * count: number of elements in database. |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_GetGattDb(uint16_t conn_id, uint16_t start_handle, |
| uint16_t end_handle, btgatt_db_element_t** db, |
| int* count) { |
| bta_gattc_get_gatt_db(conn_id, start_handle, end_handle, db, count); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_ReadCharacteristic |
| * |
| * Description This function is called to read a characteristics value |
| * |
| * Parameters conn_id - connection ID. |
| * handle - characteritic handle to read. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_ReadCharacteristic(uint16_t conn_id, uint16_t handle, |
| tBTA_GATT_AUTH_REQ auth_req, |
| GATT_READ_OP_CB callback, void* cb_data) { |
| tBTA_GATTC_API_READ* p_buf = |
| (tBTA_GATTC_API_READ*)osi_calloc(sizeof(tBTA_GATTC_API_READ)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_READ_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->read_cb = callback; |
| p_buf->read_cb_data = cb_data; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /** |
| * This function is called to read a value of characteristic with uuid equal to |
| * |uuid| |
| */ |
| void BTA_GATTC_ReadUsingCharUuid(uint16_t conn_id, tBT_UUID uuid, |
| uint16_t s_handle, uint16_t e_handle, |
| tBTA_GATT_AUTH_REQ auth_req, |
| GATT_READ_OP_CB callback, void* cb_data) { |
| tBTA_GATTC_API_READ* p_buf = |
| (tBTA_GATTC_API_READ*)osi_calloc(sizeof(tBTA_GATTC_API_READ)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_READ_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = 0; |
| p_buf->uuid = uuid; |
| p_buf->s_handle = s_handle; |
| p_buf->e_handle = e_handle; |
| p_buf->read_cb = callback; |
| p_buf->read_cb_data = cb_data; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_ReadCharDescr |
| * |
| * Description This function is called to read a descriptor value. |
| * |
| * Parameters conn_id - connection ID. |
| * handle - descriptor handle to read. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_ReadCharDescr(uint16_t conn_id, uint16_t handle, |
| tBTA_GATT_AUTH_REQ auth_req, |
| GATT_READ_OP_CB callback, void* cb_data) { |
| tBTA_GATTC_API_READ* p_buf = |
| (tBTA_GATTC_API_READ*)osi_calloc(sizeof(tBTA_GATTC_API_READ)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_READ_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->read_cb = callback; |
| p_buf->read_cb_data = cb_data; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_ReadMultiple |
| * |
| * Description This function is called to read multiple characteristic or |
| * characteristic descriptors. |
| * |
| * Parameters conn_id - connectino ID. |
| * p_read_multi - pointer to the read multiple parameter. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_ReadMultiple(uint16_t conn_id, tBTA_GATTC_MULTI* p_read_multi, |
| tBTA_GATT_AUTH_REQ auth_req) { |
| tBTA_GATTC_API_READ_MULTI* p_buf = |
| (tBTA_GATTC_API_READ_MULTI*)osi_calloc(sizeof(tBTA_GATTC_API_READ_MULTI)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_READ_MULTI_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->num_attr = p_read_multi->num_attr; |
| |
| if (p_buf->num_attr > 0) |
| memcpy(p_buf->handles, p_read_multi->handles, |
| sizeof(uint16_t) * p_read_multi->num_attr); |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_WriteCharValue |
| * |
| * Description This function is called to write characteristic value. |
| * |
| * Parameters conn_id - connection ID. |
| * handle - characteristic handle to write. |
| * write_type - type of write. |
| * value - the value to be written. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_WriteCharValue(uint16_t conn_id, uint16_t handle, |
| tBTA_GATTC_WRITE_TYPE write_type, |
| std::vector<uint8_t> value, |
| tBTA_GATT_AUTH_REQ auth_req, |
| GATT_WRITE_OP_CB callback, void* cb_data) { |
| tBTA_GATTC_API_WRITE* p_buf = (tBTA_GATTC_API_WRITE*)osi_calloc( |
| sizeof(tBTA_GATTC_API_WRITE) + value.size()); |
| |
| p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->write_type = write_type; |
| p_buf->len = value.size(); |
| p_buf->write_cb = callback; |
| p_buf->write_cb_data = cb_data; |
| |
| if (value.size() > 0) { |
| p_buf->p_value = (uint8_t*)(p_buf + 1); |
| memcpy(p_buf->p_value, value.data(), value.size()); |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_WriteCharDescr |
| * |
| * Description This function is called to write descriptor value. |
| * |
| * Parameters conn_id - connection ID |
| * handle - descriptor hadle to write. |
| * value - the value to be written. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_WriteCharDescr(uint16_t conn_id, uint16_t handle, |
| std::vector<uint8_t> value, |
| tBTA_GATT_AUTH_REQ auth_req, |
| GATT_WRITE_OP_CB callback, void* cb_data) { |
| tBTA_GATTC_API_WRITE* p_buf = (tBTA_GATTC_API_WRITE*)osi_calloc( |
| sizeof(tBTA_GATTC_API_WRITE) + value.size()); |
| |
| p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->write_type = BTA_GATTC_TYPE_WRITE; |
| p_buf->write_cb = callback; |
| p_buf->write_cb_data = cb_data; |
| |
| if (value.size() != 0) { |
| p_buf->p_value = (uint8_t*)(p_buf + 1); |
| p_buf->len = value.size(); |
| memcpy(p_buf->p_value, value.data(), value.size()); |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_PrepareWrite |
| * |
| * Description This function is called to prepare write a characteristic |
| * value. |
| * |
| * Parameters conn_id - connection ID. |
| * p_char_id - GATT characteritic ID of the service. |
| * offset - offset of the write value. |
| * value - the value to be written. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_PrepareWrite(uint16_t conn_id, uint16_t handle, uint16_t offset, |
| std::vector<uint8_t> value, |
| tBTA_GATT_AUTH_REQ auth_req, |
| GATT_WRITE_OP_CB callback, void* cb_data) { |
| tBTA_GATTC_API_WRITE* p_buf = (tBTA_GATTC_API_WRITE*)osi_calloc( |
| sizeof(tBTA_GATTC_API_WRITE) + value.size()); |
| |
| p_buf->hdr.event = BTA_GATTC_API_WRITE_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->auth_req = auth_req; |
| p_buf->handle = handle; |
| p_buf->write_cb = callback; |
| p_buf->write_cb_data = cb_data; |
| |
| p_buf->write_type = BTA_GATTC_WRITE_PREPARE; |
| p_buf->offset = offset; |
| p_buf->len = value.size(); |
| |
| if (value.size() > 0) { |
| p_buf->p_value = (uint8_t*)(p_buf + 1); |
| memcpy(p_buf->p_value, value.data(), value.size()); |
| } |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_ExecuteWrite |
| * |
| * Description This function is called to execute write a prepare write |
| * sequence. |
| * |
| * Parameters conn_id - connection ID. |
| * is_execute - execute or cancel. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_ExecuteWrite(uint16_t conn_id, bool is_execute) { |
| tBTA_GATTC_API_EXEC* p_buf = |
| (tBTA_GATTC_API_EXEC*)osi_calloc(sizeof(tBTA_GATTC_API_EXEC)); |
| |
| p_buf->hdr.event = BTA_GATTC_API_EXEC_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->is_execute = is_execute; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_SendIndConfirm |
| * |
| * Description This function is called to send handle value confirmation. |
| * |
| * Parameters conn_id - connection ID. |
| * p_char_id - characteristic ID to confirm. |
| * |
| * Returns None |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_SendIndConfirm(uint16_t conn_id, uint16_t handle) { |
| tBTA_GATTC_API_CONFIRM* p_buf = |
| (tBTA_GATTC_API_CONFIRM*)osi_calloc(sizeof(tBTA_GATTC_API_CONFIRM)); |
| |
| APPL_TRACE_API("%s conn_id=%d handle=0x%04x", __func__, conn_id, handle); |
| |
| p_buf->hdr.event = BTA_GATTC_API_CONFIRM_EVT; |
| p_buf->hdr.layer_specific = conn_id; |
| p_buf->handle = handle; |
| |
| bta_sys_sendmsg(p_buf); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_RegisterForNotifications |
| * |
| * Description This function is called to register for notification of a |
| * service. |
| * |
| * Parameters client_if - client interface. |
| * bda - target GATT server. |
| * handle - GATT characteristic handle. |
| * |
| * Returns OK if registration succeed, otherwise failed. |
| * |
| ******************************************************************************/ |
| tBTA_GATT_STATUS BTA_GATTC_RegisterForNotifications(tBTA_GATTC_IF client_if, |
| const RawAddress& bda, |
| uint16_t handle) { |
| tBTA_GATTC_RCB* p_clreg; |
| tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER; |
| uint8_t i; |
| |
| if (!handle) { |
| APPL_TRACE_ERROR("deregistration failed, handle is 0"); |
| return status; |
| } |
| |
| p_clreg = bta_gattc_cl_get_regcb(client_if); |
| if (p_clreg != NULL) { |
| for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i++) { |
| if (p_clreg->notif_reg[i].in_use && |
| p_clreg->notif_reg[i].remote_bda == bda && |
| p_clreg->notif_reg[i].handle == handle) { |
| APPL_TRACE_WARNING("notification already registered"); |
| status = BTA_GATT_OK; |
| break; |
| } |
| } |
| if (status != BTA_GATT_OK) { |
| for (i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i++) { |
| if (!p_clreg->notif_reg[i].in_use) { |
| memset((void*)&p_clreg->notif_reg[i], 0, |
| sizeof(tBTA_GATTC_NOTIF_REG)); |
| |
| p_clreg->notif_reg[i].in_use = true; |
| p_clreg->notif_reg[i].remote_bda = bda; |
| |
| p_clreg->notif_reg[i].handle = handle; |
| status = BTA_GATT_OK; |
| break; |
| } |
| } |
| if (i == BTA_GATTC_NOTIF_REG_MAX) { |
| status = BTA_GATT_NO_RESOURCES; |
| APPL_TRACE_ERROR("Max Notification Reached, registration failed."); |
| } |
| } |
| } else { |
| APPL_TRACE_ERROR("Client_if: %d Not Registered", client_if); |
| } |
| |
| return status; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_DeregisterForNotifications |
| * |
| * Description This function is called to de-register for notification of a |
| * service. |
| * |
| * Parameters client_if - client interface. |
| * remote_bda - target GATT server. |
| * handle - GATT characteristic handle. |
| * |
| * Returns OK if deregistration succeed, otherwise failed. |
| * |
| ******************************************************************************/ |
| tBTA_GATT_STATUS BTA_GATTC_DeregisterForNotifications(tBTA_GATTC_IF client_if, |
| const RawAddress& bda, |
| uint16_t handle) { |
| if (!handle) { |
| APPL_TRACE_ERROR("%s: deregistration failed, handle is 0", __func__); |
| return BTA_GATT_ILLEGAL_PARAMETER; |
| } |
| |
| tBTA_GATTC_RCB* p_clreg = bta_gattc_cl_get_regcb(client_if); |
| if (p_clreg == NULL) { |
| LOG(ERROR) << __func__ << " client_if: " << +client_if |
| << " not registered bd_addr:" << bda; |
| return BTA_GATT_ILLEGAL_PARAMETER; |
| } |
| |
| for (int i = 0; i < BTA_GATTC_NOTIF_REG_MAX; i++) { |
| if (p_clreg->notif_reg[i].in_use && |
| p_clreg->notif_reg[i].remote_bda == bda && |
| p_clreg->notif_reg[i].handle == handle) { |
| VLOG(1) << __func__ << " deregistered bd_addr:" << bda; |
| memset(&p_clreg->notif_reg[i], 0, sizeof(tBTA_GATTC_NOTIF_REG)); |
| return BTA_GATT_OK; |
| } |
| } |
| |
| LOG(ERROR) << __func__ << " registration not found bd_addr:" << bda; |
| return BTA_GATT_ERROR; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function BTA_GATTC_Refresh |
| * |
| * Description Refresh the server cache of the remote device |
| * |
| * Parameters remote_bda: remote device BD address. |
| * |
| * Returns void |
| * |
| ******************************************************************************/ |
| void BTA_GATTC_Refresh(const RawAddress& remote_bda) { |
| do_in_bta_thread(FROM_HERE, |
| base::Bind(&bta_gattc_process_api_refresh, remote_bda)); |
| } |
