| /****************************************************************************** |
| * |
| * Copyright (C) 2009-2013 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. |
| * |
| ******************************************************************************/ |
| |
| /************************************************************************************ |
| * |
| * Filename: btif_gatt_server.c |
| * |
| * Description: GATT server implementation |
| * |
| ***********************************************************************************/ |
| |
| #define LOG_TAG "bt_btif_gatt" |
| |
| #include <base/bind.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <hardware/bluetooth.h> |
| #include <hardware/bt_gatt.h> |
| |
| #include "btif_common.h" |
| #include "btif_util.h" |
| |
| #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE)) |
| |
| #include "bta_api.h" |
| #include "bta_gatt_api.h" |
| #include "btif_config.h" |
| #include "btif_dm.h" |
| #include "btif_gatt.h" |
| #include "btif_gatt_util.h" |
| #include "btif_storage.h" |
| #include "bt_common.h" |
| #include "osi/include/log.h" |
| |
| using base::Bind; |
| using base::Owned; |
| |
| extern bt_status_t do_in_jni_thread(const base::Closure& task); |
| |
| /************************************************************************************ |
| ** Constants & Macros |
| ************************************************************************************/ |
| |
| #define CHECK_BTGATT_INIT() if (bt_gatt_callbacks == NULL)\ |
| {\ |
| LOG_WARN(LOG_TAG, "%s: BTGATT not initialized", __FUNCTION__);\ |
| return BT_STATUS_NOT_READY;\ |
| } else {\ |
| LOG_VERBOSE(LOG_TAG, "%s", __FUNCTION__);\ |
| } |
| |
| /************************************************************************************ |
| ** Static variables |
| ************************************************************************************/ |
| |
| extern const btgatt_callbacks_t *bt_gatt_callbacks; |
| |
| /************************************************************************************ |
| ** Static functions |
| ************************************************************************************/ |
| |
| static void btapp_gatts_copy_req_data(UINT16 event, char *p_dest, char *p_src) |
| { |
| tBTA_GATTS *p_dest_data = (tBTA_GATTS*) p_dest; |
| tBTA_GATTS *p_src_data = (tBTA_GATTS*) p_src; |
| |
| if (!p_src_data || !p_dest_data) |
| return; |
| |
| // Copy basic structure first |
| maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data)); |
| |
| // Allocate buffer for request data if necessary |
| switch (event) |
| { |
| case BTA_GATTS_READ_EVT: |
| case BTA_GATTS_WRITE_EVT: |
| case BTA_GATTS_EXEC_WRITE_EVT: |
| case BTA_GATTS_MTU_EVT: |
| p_dest_data->req_data.p_data = (tBTA_GATTS_REQ_DATA *)osi_malloc(sizeof(tBTA_GATTS_REQ_DATA)); |
| memcpy(p_dest_data->req_data.p_data, p_src_data->req_data.p_data, |
| sizeof(tBTA_GATTS_REQ_DATA)); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| static void btapp_gatts_free_req_data(UINT16 event, tBTA_GATTS *p_data) |
| { |
| switch (event) |
| { |
| case BTA_GATTS_READ_EVT: |
| case BTA_GATTS_WRITE_EVT: |
| case BTA_GATTS_EXEC_WRITE_EVT: |
| case BTA_GATTS_MTU_EVT: |
| if (p_data != NULL) |
| osi_free_and_reset((void **)&p_data->req_data.p_data); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| static void btapp_gatts_handle_cback(uint16_t event, char* p_param) |
| { |
| LOG_VERBOSE(LOG_TAG, "%s: Event %d", __FUNCTION__, event); |
| |
| tBTA_GATTS *p_data = (tBTA_GATTS*)p_param; |
| switch (event) |
| { |
| case BTA_GATTS_REG_EVT: |
| { |
| bt_uuid_t app_uuid; |
| bta_to_btif_uuid(&app_uuid, &p_data->reg_oper.uuid); |
| HAL_CBACK(bt_gatt_callbacks, server->register_server_cb |
| , p_data->reg_oper.status |
| , p_data->reg_oper.server_if |
| , &app_uuid |
| ); |
| break; |
| } |
| |
| case BTA_GATTS_DEREG_EVT: |
| break; |
| |
| case BTA_GATTS_CONNECT_EVT: |
| { |
| bt_bdaddr_t bda; |
| bdcpy(bda.address, p_data->conn.remote_bda); |
| |
| btif_gatt_check_encrypted_link(p_data->conn.remote_bda, p_data->conn.transport); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->connection_cb, |
| p_data->conn.conn_id, p_data->conn.server_if, TRUE, &bda); |
| break; |
| } |
| |
| case BTA_GATTS_DISCONNECT_EVT: |
| { |
| bt_bdaddr_t bda; |
| bdcpy(bda.address, p_data->conn.remote_bda); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->connection_cb, |
| p_data->conn.conn_id, p_data->conn.server_if, FALSE, &bda); |
| break; |
| } |
| |
| case BTA_GATTS_CREATE_EVT: |
| { |
| btgatt_srvc_id_t srvc_id; |
| srvc_id.is_primary = p_data->create.is_primary; |
| srvc_id.id.inst_id = p_data->create.svc_instance; |
| bta_to_btif_uuid(&srvc_id.id.uuid, &p_data->create.uuid); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->service_added_cb, |
| p_data->create.status, p_data->create.server_if, &srvc_id, |
| p_data->create.service_id |
| ); |
| } |
| break; |
| |
| case BTA_GATTS_ADD_INCL_SRVC_EVT: |
| HAL_CBACK(bt_gatt_callbacks, server->included_service_added_cb, |
| p_data->add_result.status, |
| p_data->add_result.server_if, |
| p_data->add_result.service_id, |
| p_data->add_result.attr_id); |
| break; |
| |
| case BTA_GATTS_ADD_CHAR_EVT: |
| { |
| bt_uuid_t uuid; |
| bta_to_btif_uuid(&uuid, &p_data->add_result.char_uuid); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->characteristic_added_cb, |
| p_data->add_result.status, |
| p_data->add_result.server_if, |
| &uuid, |
| p_data->add_result.service_id, |
| p_data->add_result.attr_id); |
| break; |
| } |
| |
| case BTA_GATTS_ADD_CHAR_DESCR_EVT: |
| { |
| bt_uuid_t uuid; |
| bta_to_btif_uuid(&uuid, &p_data->add_result.char_uuid); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->descriptor_added_cb, |
| p_data->add_result.status, |
| p_data->add_result.server_if, |
| &uuid, |
| p_data->add_result.service_id, |
| p_data->add_result.attr_id); |
| break; |
| } |
| |
| case BTA_GATTS_START_EVT: |
| HAL_CBACK(bt_gatt_callbacks, server->service_started_cb, |
| p_data->srvc_oper.status, |
| p_data->srvc_oper.server_if, |
| p_data->srvc_oper.service_id); |
| break; |
| |
| case BTA_GATTS_STOP_EVT: |
| HAL_CBACK(bt_gatt_callbacks, server->service_stopped_cb, |
| p_data->srvc_oper.status, |
| p_data->srvc_oper.server_if, |
| p_data->srvc_oper.service_id); |
| break; |
| |
| case BTA_GATTS_DELELTE_EVT: |
| HAL_CBACK(bt_gatt_callbacks, server->service_deleted_cb, |
| p_data->srvc_oper.status, |
| p_data->srvc_oper.server_if, |
| p_data->srvc_oper.service_id); |
| break; |
| |
| case BTA_GATTS_READ_EVT: |
| { |
| bt_bdaddr_t bda; |
| bdcpy(bda.address, p_data->req_data.remote_bda); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->request_read_cb, |
| p_data->req_data.conn_id,p_data->req_data.trans_id, &bda, |
| p_data->req_data.p_data->read_req.handle, |
| p_data->req_data.p_data->read_req.offset, |
| p_data->req_data.p_data->read_req.is_long); |
| break; |
| } |
| |
| case BTA_GATTS_WRITE_EVT: |
| { |
| bt_bdaddr_t bda; |
| bdcpy(bda.address, p_data->req_data.remote_bda); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->request_write_cb, |
| p_data->req_data.conn_id,p_data->req_data.trans_id, &bda, |
| p_data->req_data.p_data->write_req.handle, |
| p_data->req_data.p_data->write_req.offset, |
| p_data->req_data.p_data->write_req.len, |
| p_data->req_data.p_data->write_req.need_rsp, |
| p_data->req_data.p_data->write_req.is_prep, |
| p_data->req_data.p_data->write_req.value); |
| break; |
| } |
| |
| case BTA_GATTS_EXEC_WRITE_EVT: |
| { |
| bt_bdaddr_t bda; |
| bdcpy(bda.address, p_data->req_data.remote_bda); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->request_exec_write_cb, |
| p_data->req_data.conn_id,p_data->req_data.trans_id, &bda, |
| p_data->req_data.p_data->exec_write); |
| break; |
| } |
| |
| case BTA_GATTS_CONF_EVT: |
| HAL_CBACK(bt_gatt_callbacks, server->indication_sent_cb, |
| p_data->req_data.conn_id, p_data->req_data.status); |
| break; |
| |
| case BTA_GATTS_CONGEST_EVT: |
| HAL_CBACK(bt_gatt_callbacks, server->congestion_cb |
| , p_data->congest.conn_id |
| , p_data->congest.congested |
| ); |
| break; |
| |
| case BTA_GATTS_MTU_EVT: |
| HAL_CBACK(bt_gatt_callbacks, server->mtu_changed_cb |
| , p_data->req_data.conn_id |
| , p_data->req_data.p_data->mtu |
| ); |
| break; |
| |
| case BTA_GATTS_OPEN_EVT: |
| case BTA_GATTS_CANCEL_OPEN_EVT: |
| case BTA_GATTS_CLOSE_EVT: |
| LOG_DEBUG(LOG_TAG, "%s: Empty event (%d)!", __FUNCTION__, event); |
| break; |
| |
| default: |
| LOG_ERROR(LOG_TAG, "%s: Unhandled event (%d)!", __FUNCTION__, event); |
| break; |
| } |
| |
| btapp_gatts_free_req_data(event, p_data); |
| } |
| |
| static void btapp_gatts_cback(tBTA_GATTS_EVT event, tBTA_GATTS *p_data) |
| { |
| bt_status_t status; |
| status = btif_transfer_context(btapp_gatts_handle_cback, (uint16_t) event, |
| (char*)p_data, sizeof(tBTA_GATTS), btapp_gatts_copy_req_data); |
| ASSERTC(status == BT_STATUS_SUCCESS, "Context transfer failed!", status); |
| } |
| |
| /************************************************************************************ |
| ** Server API Functions |
| ************************************************************************************/ |
| static bt_status_t btif_gatts_register_app(bt_uuid_t *bt_uuid) { |
| CHECK_BTGATT_INIT(); |
| tBT_UUID *uuid = new tBT_UUID; |
| btif_to_bta_uuid(uuid, bt_uuid); |
| |
| return do_in_jni_thread( |
| Bind(&BTA_GATTS_AppRegister, base::Owned(uuid), &btapp_gatts_cback)); |
| } |
| |
| static bt_status_t btif_gatts_unregister_app(int server_if) { |
| CHECK_BTGATT_INIT(); |
| return do_in_jni_thread(Bind(&BTA_GATTS_AppDeregister, server_if)); |
| } |
| |
| static void btif_gatts_open_impl(int server_if, BD_ADDR address, bool is_direct, |
| int transport_param) { |
| // Ensure device is in inquiry database |
| int addr_type = 0; |
| int device_type = 0; |
| tBTA_GATT_TRANSPORT transport = BTA_GATT_TRANSPORT_LE; |
| |
| if (btif_get_address_type(address, &addr_type) && |
| btif_get_device_type(address, &device_type) && |
| device_type != BT_DEVICE_TYPE_BREDR) { |
| BTA_DmAddBleDevice(address, addr_type, device_type); |
| } |
| |
| // Mark background connections |
| if (!is_direct) BTA_DmBleSetBgConnType(BTM_BLE_CONN_AUTO, NULL); |
| |
| // Determine transport |
| if (transport_param != GATT_TRANSPORT_AUTO) { |
| transport = transport_param; |
| } else { |
| switch (device_type) { |
| case BT_DEVICE_TYPE_BREDR: |
| transport = BTA_GATT_TRANSPORT_BR_EDR; |
| break; |
| |
| case BT_DEVICE_TYPE_BLE: |
| transport = BTA_GATT_TRANSPORT_LE; |
| break; |
| |
| case BT_DEVICE_TYPE_DUMO: |
| if (transport_param == GATT_TRANSPORT_LE) |
| transport = BTA_GATT_TRANSPORT_LE; |
| else |
| transport = BTA_GATT_TRANSPORT_BR_EDR; |
| break; |
| |
| default: |
| BTIF_TRACE_ERROR("%s: Invalid device type %d", __func__, device_type); |
| return; |
| } |
| } |
| |
| // Connect! |
| BTA_GATTS_Open(server_if, address, is_direct, transport); |
| } |
| |
| static bt_status_t btif_gatts_open(int server_if, const bt_bdaddr_t *bd_addr, |
| bool is_direct, int transport) { |
| CHECK_BTGATT_INIT(); |
| uint8_t *address = new BD_ADDR; |
| bdcpy(address, bd_addr->address); |
| |
| return do_in_jni_thread(Bind(&btif_gatts_open_impl, server_if, |
| base::Owned(address), is_direct, transport)); |
| } |
| |
| static void btif_gatts_close_impl(int server_if, BD_ADDR address, |
| int conn_id) { |
| // Cancel pending foreground/background connections |
| BTA_GATTS_CancelOpen(server_if, address, TRUE); |
| BTA_GATTS_CancelOpen(server_if, address, FALSE); |
| |
| // Close active connection |
| if (conn_id != 0) BTA_GATTS_Close(conn_id); |
| } |
| |
| static bt_status_t btif_gatts_close(int server_if, const bt_bdaddr_t *bd_addr, |
| int conn_id) { |
| CHECK_BTGATT_INIT(); |
| uint8_t *address = new BD_ADDR; |
| bdcpy(address, bd_addr->address); |
| |
| return do_in_jni_thread( |
| Bind(&btif_gatts_close_impl, server_if, base::Owned(address), conn_id)); |
| } |
| |
| static bt_status_t btif_gatts_add_service(int server_if, |
| btgatt_srvc_id_t *srvc_id, |
| int num_handles) { |
| CHECK_BTGATT_INIT(); |
| tBT_UUID *bt_uuid = new tBT_UUID; |
| btif_to_bta_uuid(bt_uuid, &srvc_id->id.uuid); |
| |
| return do_in_jni_thread( |
| Bind(base::IgnoreResult(&BTA_GATTS_CreateService), server_if, |
| base::Owned(bt_uuid), (uint8_t)srvc_id->id.inst_id, |
| (uint16_t)num_handles, (bool)srvc_id->is_primary)); |
| } |
| |
| static bt_status_t btif_gatts_add_included_service(int server_if, |
| int service_handle, |
| int included_handle) { |
| CHECK_BTGATT_INIT(); |
| return do_in_jni_thread(Bind(&BTA_GATTS_AddIncludeService, service_handle, included_handle)); |
| } |
| |
| static bt_status_t btif_gatts_add_characteristic(int server_if, |
| int service_handle, |
| bt_uuid_t *uuid, |
| int properties, |
| int permissions) { |
| CHECK_BTGATT_INIT(); |
| tBT_UUID *bt_uuid = new tBT_UUID; |
| btif_to_bta_uuid(bt_uuid, uuid); |
| |
| return do_in_jni_thread(Bind(&BTA_GATTS_AddCharacteristic, service_handle, |
| base::Owned(bt_uuid), permissions, properties)); |
| } |
| |
| static bt_status_t btif_gatts_add_descriptor(int server_if, int service_handle, |
| bt_uuid_t *uuid, int permissions) { |
| CHECK_BTGATT_INIT(); |
| tBT_UUID *bt_uuid = new tBT_UUID; |
| btif_to_bta_uuid(bt_uuid, uuid); |
| |
| return do_in_jni_thread(Bind(&BTA_GATTS_AddCharDescriptor, service_handle, |
| permissions, base::Owned(bt_uuid))); |
| } |
| |
| static bt_status_t btif_gatts_start_service(int server_if, int service_handle, |
| int transport) { |
| CHECK_BTGATT_INIT(); |
| return do_in_jni_thread( |
| Bind(&BTA_GATTS_StartService, service_handle, transport)); |
| } |
| |
| static bt_status_t btif_gatts_stop_service(int server_if, int service_handle) |
| { |
| CHECK_BTGATT_INIT(); |
| return do_in_jni_thread(Bind(&BTA_GATTS_StopService, service_handle)); |
| } |
| |
| static bt_status_t btif_gatts_delete_service(int server_if, int service_handle) |
| { |
| CHECK_BTGATT_INIT(); |
| return do_in_jni_thread(Bind(&BTA_GATTS_DeleteService, service_handle)); |
| } |
| |
| static bt_status_t btif_gatts_send_indication(int server_if, |
| int attribute_handle, int conn_id, |
| int len, int confirm, |
| char *p_value) { |
| CHECK_BTGATT_INIT(); |
| |
| len = len > BTGATT_MAX_ATTR_LEN ? BTGATT_MAX_ATTR_LEN : len; |
| uint8_t *value = new uint8_t[len]; |
| memcpy(value, p_value, len); |
| |
| return do_in_jni_thread(Bind(&BTA_GATTS_HandleValueIndication, conn_id, |
| attribute_handle, len, base::Owned(value), confirm)); |
| // TODO: Might need to send an ACK if handle value indication is |
| // invoked without need for confirmation. |
| } |
| |
| static void btif_gatts_send_response_impl(int conn_id, int trans_id, int status, |
| btgatt_response_t response) { |
| tBTA_GATTS_RSP rsp_struct; |
| btif_to_bta_response(&rsp_struct, &response); |
| |
| BTA_GATTS_SendRsp(conn_id, trans_id, status, &rsp_struct); |
| |
| HAL_CBACK(bt_gatt_callbacks, server->response_confirmation_cb, 0, |
| rsp_struct.attr_value.handle); |
| } |
| |
| static bt_status_t btif_gatts_send_response(int conn_id, int trans_id, |
| int status, |
| btgatt_response_t *response) { |
| CHECK_BTGATT_INIT(); |
| return do_in_jni_thread(Bind(&btif_gatts_send_response_impl, conn_id, |
| trans_id, status, *response)); |
| } |
| |
| const btgatt_server_interface_t btgattServerInterface = { |
| btif_gatts_register_app, |
| btif_gatts_unregister_app, |
| btif_gatts_open, |
| btif_gatts_close, |
| btif_gatts_add_service, |
| btif_gatts_add_included_service, |
| btif_gatts_add_characteristic, |
| btif_gatts_add_descriptor, |
| btif_gatts_start_service, |
| btif_gatts_stop_service, |
| btif_gatts_delete_service, |
| btif_gatts_send_indication, |
| btif_gatts_send_response |
| }; |
| |
| #endif |
