| /****************************************************************************** |
| * |
| * Copyright (C) 2014 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_multi_adv_util.c |
| * |
| * Description: Multi ADV helper implementation |
| * |
| *******************************************************************************/ |
| |
| #define LOG_TAG "bt_btif_gatt" |
| |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "btu.h" |
| #include "bt_target.h" |
| |
| #if (BLE_INCLUDED == TRUE) |
| |
| #include <hardware/bluetooth.h> |
| #include <hardware/bt_gatt.h> |
| |
| #include "bta_gatt_api.h" |
| #include "btif_common.h" |
| #include "btif_gatt_multi_adv_util.h" |
| #include "btif_gatt_util.h" |
| |
| extern fixed_queue_t *btu_general_alarm_queue; |
| |
| /******************************************************************************* |
| ** Static variables |
| ********************************************************************************/ |
| static int user_app_count = 0; |
| static btgatt_multi_adv_common_data *p_multi_adv_com_data_cb = NULL; |
| |
| btgatt_multi_adv_common_data *btif_obtain_multi_adv_data_cb() |
| { |
| int max_adv_inst = BTM_BleMaxMultiAdvInstanceCount(); |
| if (0 == max_adv_inst) |
| max_adv_inst = 1; |
| |
| BTIF_TRACE_DEBUG("%s, Count:%d", __FUNCTION__, max_adv_inst); |
| |
| if (NULL == p_multi_adv_com_data_cb) |
| { |
| p_multi_adv_com_data_cb = (btgatt_multi_adv_common_data*)osi_calloc(sizeof(btgatt_multi_adv_common_data)); |
| /* Storing both client_if and inst_id details */ |
| p_multi_adv_com_data_cb->clntif_map = |
| (INT8*)osi_calloc((max_adv_inst * INST_ID_IDX_MAX) * sizeof(INT8)); |
| |
| p_multi_adv_com_data_cb->inst_cb = (btgatt_multi_adv_inst_cb*) |
| osi_calloc((max_adv_inst + 1) * sizeof(btgatt_multi_adv_inst_cb)); |
| |
| for (int i = 0; i < max_adv_inst * 2; i += 2) { |
| p_multi_adv_com_data_cb->clntif_map[i] = INVALID_ADV_INST; |
| p_multi_adv_com_data_cb->clntif_map[i+1] = INVALID_ADV_INST; |
| } |
| } |
| |
| return p_multi_adv_com_data_cb; |
| } |
| |
| void btif_gattc_incr_app_count(void) |
| { |
| // TODO: Instead of using a fragile reference counter here, one could |
| // simply track the client_if instances that are in the map. |
| ++user_app_count; |
| } |
| |
| void btif_gattc_decr_app_count(void) |
| { |
| if (user_app_count > 0) |
| user_app_count--; |
| |
| if ((user_app_count == 0) && (p_multi_adv_com_data_cb != NULL)) { |
| osi_free(p_multi_adv_com_data_cb->clntif_map); |
| osi_free(p_multi_adv_com_data_cb->inst_cb); |
| osi_free_and_reset((void **)&p_multi_adv_com_data_cb); |
| } |
| } |
| |
| int btif_multi_adv_add_instid_map(int client_if, int inst_id, BOOLEAN gen_temp_instid) |
| { |
| int i=1; |
| |
| btgatt_multi_adv_common_data *p_multi_adv_data_cb = btif_obtain_multi_adv_data_cb(); |
| if (NULL == p_multi_adv_data_cb) |
| return INVALID_ADV_INST; |
| |
| for (i=1; i < BTM_BleMaxMultiAdvInstanceCount(); i++) |
| { |
| if (client_if == p_multi_adv_data_cb->clntif_map[i + i]) |
| { |
| if (!gen_temp_instid) |
| { |
| // Write the final inst_id value obtained from stack layer |
| p_multi_adv_data_cb->clntif_map[i + (i + 1)] = inst_id; |
| BTIF_TRACE_DEBUG("%s -Index: %d, Found client_if: %d", __FUNCTION__, |
| i, p_multi_adv_data_cb->clntif_map[i + i]); |
| break; |
| } |
| else |
| { |
| //Store the passed in inst_id value |
| if (inst_id != INVALID_ADV_INST) |
| p_multi_adv_data_cb->clntif_map[i + (i + 1)] = inst_id; |
| else |
| p_multi_adv_data_cb->clntif_map[i + (i + 1)] = (i + 1); |
| |
| BTIF_TRACE_DEBUG("%s - Index:%d,Found client_if: %d", __FUNCTION__, |
| i, p_multi_adv_data_cb->clntif_map[i + i]); |
| break; |
| } |
| } |
| } |
| |
| if (i < BTM_BleMaxMultiAdvInstanceCount()) |
| return i; |
| |
| // If client ID if is not found, then write both values |
| for (i=1; i < BTM_BleMaxMultiAdvInstanceCount(); i++) |
| { |
| if (INVALID_ADV_INST == p_multi_adv_data_cb->clntif_map[i + i]) |
| { |
| p_multi_adv_data_cb->clntif_map[i + i] = client_if; |
| if (inst_id != INVALID_ADV_INST) |
| p_multi_adv_data_cb->clntif_map[i + (i + 1)] = inst_id; |
| else |
| p_multi_adv_data_cb->clntif_map[i + (i + 1)] = (i + 1); |
| BTIF_TRACE_DEBUG("%s -Not found - Index:%d, client_if: %d, Inst ID: %d", |
| __FUNCTION__,i, |
| p_multi_adv_data_cb->clntif_map[i + i], |
| p_multi_adv_data_cb->clntif_map[i + (i + 1)]); |
| break; |
| } |
| } |
| |
| if (i < BTM_BleMaxMultiAdvInstanceCount()) |
| return i; |
| return INVALID_ADV_INST; |
| } |
| |
| int btif_multi_adv_instid_for_clientif(int client_if) |
| { |
| int i=1, ret = INVALID_ADV_INST; |
| |
| btgatt_multi_adv_common_data *p_multi_adv_data_cb = btif_obtain_multi_adv_data_cb(); |
| |
| if (NULL == p_multi_adv_data_cb) |
| return INVALID_ADV_INST; |
| |
| // Retrieve the existing inst_id for the client_if value |
| for (i=1; i < BTM_BleMaxMultiAdvInstanceCount(); i++) |
| { |
| if (client_if == p_multi_adv_data_cb->clntif_map[i + i]) |
| { |
| BTIF_TRACE_DEBUG("%s - Client if found", __FUNCTION__, client_if); |
| ret = p_multi_adv_data_cb->clntif_map[i + (i + 1)]; |
| } |
| } |
| |
| return ret; |
| } |
| |
| int btif_gattc_obtain_idx_for_datacb(int value, int clnt_inst_index) |
| { |
| int i=1; |
| |
| btgatt_multi_adv_common_data *p_multi_adv_data_cb = btif_obtain_multi_adv_data_cb(); |
| |
| if (NULL == p_multi_adv_data_cb) |
| return INVALID_ADV_INST; |
| |
| // Retrieve the array index for the inst_id value |
| for (i=1; i < BTM_BleMaxMultiAdvInstanceCount(); i++) |
| { |
| if (value == p_multi_adv_data_cb->clntif_map[i + (i + clnt_inst_index)]) |
| break; |
| } |
| |
| if (i < BTM_BleMaxMultiAdvInstanceCount()) |
| { |
| BTIF_TRACE_DEBUG("%s, %d",__FUNCTION__,i); |
| return i; |
| } |
| |
| BTIF_TRACE_DEBUG("%s Invalid instance",__FUNCTION__); |
| return INVALID_ADV_INST; |
| } |
| |
| void btif_gattc_adv_data_packager(int client_if, bool set_scan_rsp, |
| bool include_name, bool include_txpower, int min_interval, int max_interval, |
| int appearance, int manufacturer_len, char* manufacturer_data, |
| int service_data_len, char* service_data, int service_uuid_len, |
| char* service_uuid, btif_adv_data_t *p_multi_adv_inst) |
| { |
| memset(p_multi_adv_inst, 0 , sizeof(btif_adv_data_t)); |
| |
| p_multi_adv_inst->client_if = (uint8_t) client_if; |
| p_multi_adv_inst->set_scan_rsp = set_scan_rsp; |
| p_multi_adv_inst->include_name = include_name; |
| p_multi_adv_inst->include_txpower = include_txpower; |
| p_multi_adv_inst->min_interval = min_interval; |
| p_multi_adv_inst->max_interval = max_interval; |
| p_multi_adv_inst->appearance = appearance; |
| p_multi_adv_inst->manufacturer_len = manufacturer_len; |
| |
| if (manufacturer_len > 0) |
| { |
| p_multi_adv_inst->p_manufacturer_data = (uint8_t*)osi_malloc(manufacturer_len); |
| memcpy(p_multi_adv_inst->p_manufacturer_data, manufacturer_data, manufacturer_len); |
| } |
| |
| p_multi_adv_inst->service_data_len = service_data_len; |
| if (service_data_len > 0) |
| { |
| p_multi_adv_inst->p_service_data = (uint8_t*)osi_malloc(service_data_len); |
| memcpy(p_multi_adv_inst->p_service_data, service_data, service_data_len); |
| } |
| |
| p_multi_adv_inst->service_uuid_len = service_uuid_len; |
| if (service_uuid_len > 0) |
| { |
| p_multi_adv_inst->p_service_uuid = (uint8_t*)osi_malloc(service_uuid_len); |
| memcpy(p_multi_adv_inst->p_service_uuid, service_uuid, service_uuid_len); |
| } |
| } |
| |
| void btif_gattc_adv_data_cleanup(btif_adv_data_t* adv) |
| { |
| osi_free_and_reset((void **)&adv->p_service_data); |
| osi_free_and_reset((void **)&adv->p_service_uuid); |
| osi_free_and_reset((void **)&adv->p_manufacturer_data); |
| } |
| |
| BOOLEAN btif_gattc_copy_datacb(int cbindex, const btif_adv_data_t *p_adv_data, |
| BOOLEAN bInstData) { |
| btgatt_multi_adv_common_data *p_multi_adv_data_cb = btif_obtain_multi_adv_data_cb(); |
| if (NULL == p_multi_adv_data_cb || cbindex < 0) |
| return false; |
| |
| BTIF_TRACE_DEBUG("%s", __func__); |
| |
| memset(&p_multi_adv_data_cb->inst_cb[cbindex].data, 0, |
| sizeof(p_multi_adv_data_cb->inst_cb[cbindex].data)); |
| p_multi_adv_data_cb->inst_cb[cbindex].mask = 0; |
| |
| if (!p_adv_data->set_scan_rsp) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].mask = BTM_BLE_AD_BIT_FLAGS; |
| p_multi_adv_data_cb->inst_cb[cbindex].data.flag = ADV_FLAGS_GENERAL; |
| if (p_multi_adv_data_cb->inst_cb[cbindex].timeout_s) |
| p_multi_adv_data_cb->inst_cb[cbindex].data.flag = ADV_FLAGS_LIMITED; |
| if (p_multi_adv_data_cb->inst_cb[cbindex].param.adv_type == BTA_BLE_NON_CONNECT_EVT) |
| p_multi_adv_data_cb->inst_cb[cbindex].data.flag &= |
| ~(BTA_DM_LIMITED_DISC | BTA_DM_GENERAL_DISC); |
| if (p_multi_adv_data_cb->inst_cb[cbindex].data.flag == 0) |
| p_multi_adv_data_cb->inst_cb[cbindex].mask = 0; |
| } |
| |
| if (p_adv_data->include_name) |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_DEV_NAME; |
| |
| if (p_adv_data->include_txpower) |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_TX_PWR; |
| |
| if (false == bInstData && p_adv_data->min_interval > 0 && p_adv_data->max_interval > 0 && |
| p_adv_data->max_interval > p_adv_data->min_interval) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_INT_RANGE; |
| p_multi_adv_data_cb->inst_cb[cbindex].data.int_range.low = |
| p_adv_data->min_interval; |
| p_multi_adv_data_cb->inst_cb[cbindex].data.int_range.hi = |
| p_adv_data->max_interval; |
| } |
| else |
| if (true == bInstData) |
| { |
| if (p_multi_adv_data_cb->inst_cb[cbindex].param.adv_int_min > 0 && |
| p_multi_adv_data_cb->inst_cb[cbindex].param.adv_int_max > 0 && |
| p_multi_adv_data_cb->inst_cb[cbindex].param.adv_int_max > |
| p_multi_adv_data_cb->inst_cb[cbindex].param.adv_int_min) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].data.int_range.low = |
| p_multi_adv_data_cb->inst_cb[cbindex].param.adv_int_min; |
| p_multi_adv_data_cb->inst_cb[cbindex].data.int_range.hi = |
| p_multi_adv_data_cb->inst_cb[cbindex].param.adv_int_max; |
| } |
| |
| if (p_adv_data->include_txpower) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].data.tx_power = |
| p_multi_adv_data_cb->inst_cb[cbindex].param.tx_power; |
| } |
| } |
| |
| if (p_adv_data->appearance != 0) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_APPEARANCE; |
| p_multi_adv_data_cb->inst_cb[cbindex].data.appearance = p_adv_data->appearance; |
| } |
| |
| if (p_adv_data->manufacturer_len > 0 && |
| p_adv_data->p_manufacturer_data != NULL && |
| p_adv_data->manufacturer_len < MAX_SIZE_MANUFACTURER_DATA) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_MANU; |
| p_multi_adv_data_cb->inst_cb[cbindex].data.manu.len = |
| p_adv_data->manufacturer_len; |
| memcpy(&p_multi_adv_data_cb->inst_cb[cbindex].data.manu.val, |
| p_adv_data->p_manufacturer_data, p_adv_data->manufacturer_len); |
| } |
| |
| if (p_adv_data->service_data_len > 0 && |
| p_adv_data->p_service_data != NULL && |
| p_adv_data->service_data_len < MAX_SIZE_PROPRIETARY_ELEMENT) |
| { |
| BTIF_TRACE_DEBUG("%s - In service_data", __func__); |
| tBTA_BLE_PROPRIETARY *p_prop = &p_multi_adv_data_cb->inst_cb[cbindex].data.proprietary; |
| p_prop->num_elem = 1; |
| |
| tBTA_BLE_PROP_ELEM *p_elem = &p_prop->elem[0]; |
| p_elem->adv_type = BTM_BLE_AD_TYPE_SERVICE_DATA; |
| p_elem->len = p_adv_data->service_data_len; |
| memcpy(p_elem->val, p_adv_data->p_service_data, |
| p_adv_data->service_data_len); |
| |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_PROPRIETARY; |
| } |
| |
| if (p_adv_data->service_uuid_len && p_adv_data->p_service_uuid) |
| { |
| UINT16 *p_uuid_out16 = NULL; |
| UINT32 *p_uuid_out32 = NULL; |
| for (int position = 0; position < p_adv_data->service_uuid_len; position += LEN_UUID_128) |
| { |
| bt_uuid_t uuid; |
| memset(&uuid, 0, sizeof(uuid)); |
| memcpy(&uuid.uu, p_adv_data->p_service_uuid + position, LEN_UUID_128); |
| |
| tBT_UUID bt_uuid; |
| memset(&bt_uuid, 0, sizeof(bt_uuid)); |
| btif_to_bta_uuid(&bt_uuid, &uuid); |
| |
| switch(bt_uuid.len) |
| { |
| case (LEN_UUID_16): |
| { |
| if (p_multi_adv_data_cb->inst_cb[cbindex].data.services.num_service == 0) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].data.services.list_cmpl = FALSE; |
| p_uuid_out16 = p_multi_adv_data_cb->inst_cb[cbindex].data.services.uuid; |
| } |
| |
| if (p_multi_adv_data_cb->inst_cb[cbindex].data.services.num_service < MAX_16BIT_SERVICES) |
| { |
| BTIF_TRACE_DEBUG("%s - In 16-UUID_data", __func__); |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_SERVICE; |
| ++p_multi_adv_data_cb->inst_cb[cbindex].data.services.num_service; |
| *p_uuid_out16++ = bt_uuid.uu.uuid16; |
| } |
| break; |
| } |
| |
| case (LEN_UUID_32): |
| { |
| if (p_multi_adv_data_cb->inst_cb[cbindex].data.service_32b.num_service == 0) |
| { |
| p_multi_adv_data_cb->inst_cb[cbindex].data.service_32b.list_cmpl = FALSE; |
| p_uuid_out32 = p_multi_adv_data_cb->inst_cb[cbindex].data.service_32b.uuid; |
| } |
| |
| if (p_multi_adv_data_cb->inst_cb[cbindex].data.service_32b.num_service < MAX_32BIT_SERVICES) |
| { |
| BTIF_TRACE_DEBUG("%s - In 32-UUID_data", __func__); |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= BTM_BLE_AD_BIT_SERVICE_32; |
| ++p_multi_adv_data_cb->inst_cb[cbindex].data.service_32b.num_service; |
| *p_uuid_out32++ = bt_uuid.uu.uuid32; |
| } |
| break; |
| } |
| |
| case (LEN_UUID_128): |
| { |
| /* Currently, only one 128-bit UUID is supported */ |
| if (p_multi_adv_data_cb->inst_cb[cbindex].data.services_128b.num_service == 0) |
| { |
| BTIF_TRACE_DEBUG("%s - In 128-UUID_data", __FUNCTION__); |
| p_multi_adv_data_cb->inst_cb[cbindex].mask |= |
| BTM_BLE_AD_BIT_SERVICE_128; |
| memcpy(p_multi_adv_data_cb->inst_cb[cbindex] |
| .data.services_128b.uuid128, |
| bt_uuid.uu.uuid128, LEN_UUID_128); |
| BTIF_TRACE_DEBUG( |
| "%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x", |
| bt_uuid.uu.uuid128[0], bt_uuid.uu.uuid128[1], |
| bt_uuid.uu.uuid128[2], bt_uuid.uu.uuid128[3], |
| bt_uuid.uu.uuid128[4], bt_uuid.uu.uuid128[5], |
| bt_uuid.uu.uuid128[6], bt_uuid.uu.uuid128[7], |
| bt_uuid.uu.uuid128[8], bt_uuid.uu.uuid128[9], |
| bt_uuid.uu.uuid128[10], bt_uuid.uu.uuid128[11], |
| bt_uuid.uu.uuid128[12], bt_uuid.uu.uuid128[13], |
| bt_uuid.uu.uuid128[14], bt_uuid.uu.uuid128[15]); |
| ++p_multi_adv_data_cb->inst_cb[cbindex] |
| .data.services_128b.num_service; |
| p_multi_adv_data_cb->inst_cb[cbindex] |
| .data.services_128b.list_cmpl = TRUE; |
| } |
| break; |
| } |
| |
| default: |
| break; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| void btif_gattc_clear_clientif(int client_if, BOOLEAN stop_timer) |
| { |
| btgatt_multi_adv_common_data *p_multi_adv_data_cb = btif_obtain_multi_adv_data_cb(); |
| if (NULL == p_multi_adv_data_cb) |
| return; |
| |
| // Clear both the inst_id and client_if values |
| for (int i=0; i < BTM_BleMaxMultiAdvInstanceCount()*2; i+=2) |
| { |
| if (client_if == p_multi_adv_data_cb->clntif_map[i]) |
| { |
| btif_gattc_cleanup_inst_cb(p_multi_adv_data_cb->clntif_map[i+1], stop_timer); |
| if (stop_timer) |
| { |
| p_multi_adv_data_cb->clntif_map[i] = INVALID_ADV_INST; |
| p_multi_adv_data_cb->clntif_map[i+1] = INVALID_ADV_INST; |
| BTIF_TRACE_DEBUG("Cleaning up index %d for clnt_if :%d,", i/2, client_if); |
| } |
| break; |
| } |
| } |
| } |
| |
| void btif_gattc_cleanup_inst_cb(int inst_id, BOOLEAN stop_timer) |
| { |
| // Check for invalid instance id |
| if (inst_id < 0 || inst_id >= BTM_BleMaxMultiAdvInstanceCount()) |
| return; |
| |
| btgatt_multi_adv_common_data *p_multi_adv_data_cb = btif_obtain_multi_adv_data_cb(); |
| if (NULL == p_multi_adv_data_cb) |
| return; |
| |
| int cbindex = (STD_ADV_INSTID == inst_id) ? |
| STD_ADV_INSTID : btif_gattc_obtain_idx_for_datacb(inst_id, INST_ID_IDX); |
| if (cbindex < 0) return; |
| |
| BTIF_TRACE_DEBUG("%s: inst_id %d, cbindex %d", __func__, inst_id, cbindex); |
| btif_gattc_cleanup_multi_inst_cb(&p_multi_adv_data_cb->inst_cb[cbindex], stop_timer); |
| } |
| |
| void btif_gattc_cleanup_multi_inst_cb(btgatt_multi_adv_inst_cb *p_multi_inst_cb, |
| BOOLEAN stop_timer) |
| { |
| if (p_multi_inst_cb == NULL) |
| return; |
| |
| // Discoverability timer cleanup |
| if (stop_timer) |
| { |
| alarm_free(p_multi_inst_cb->multi_adv_timer); |
| p_multi_inst_cb->multi_adv_timer = NULL; |
| } |
| |
| memset(&p_multi_inst_cb->data, 0, sizeof(p_multi_inst_cb->data)); |
| } |
| |
| void btif_multi_adv_timer_ctrl(int client_if, alarm_callback_t cb) |
| { |
| int inst_id = btif_multi_adv_instid_for_clientif(client_if); |
| if (inst_id == INVALID_ADV_INST) |
| return; |
| |
| int cbindex = btif_gattc_obtain_idx_for_datacb(inst_id, INST_ID_IDX); |
| if (cbindex == INVALID_ADV_INST) |
| return; |
| |
| btgatt_multi_adv_common_data *p_multi_adv_data_cb = btif_obtain_multi_adv_data_cb(); |
| if (p_multi_adv_data_cb == NULL) |
| return; |
| |
| btgatt_multi_adv_inst_cb *inst_cb = &p_multi_adv_data_cb->inst_cb[cbindex]; |
| if (cb == NULL) |
| { |
| alarm_free(inst_cb->multi_adv_timer); |
| inst_cb->multi_adv_timer = NULL; |
| } else { |
| if (inst_cb->timeout_s != 0) |
| { |
| alarm_free(inst_cb->multi_adv_timer); |
| inst_cb->multi_adv_timer = alarm_new("btif_gatt.multi_adv_timer"); |
| alarm_set_on_queue(inst_cb->multi_adv_timer, |
| inst_cb->timeout_s * 1000, |
| cb, INT_TO_PTR(client_if), |
| btu_general_alarm_queue); |
| } |
| } |
| } |
| |
| #endif |
