| /****************************************************************************** |
| * |
| * Copyright (C) 2014 The Android Open Source Project |
| * Copyright (C) 2009-2012 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. |
| * |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Filename: btif_mce.c |
| * |
| * Description: Message Access Profile (MCE role) Bluetooth Interface |
| * |
| * |
| ******************************************************************************/ |
| |
| #define LOG_TAG "bt_btif_mce" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <hardware/bluetooth.h> |
| #include <hardware/bt_mce.h> |
| |
| #include "bt_types.h" |
| #include "bta_api.h" |
| #include "bta_mce_api.h" |
| #include "btcore/include/bdaddr.h" |
| #include "btif_common.h" |
| #include "btif_profile_queue.h" |
| #include "btif_util.h" |
| |
| /***************************************************************************** |
| * Static variables |
| *****************************************************************************/ |
| |
| static btmce_callbacks_t* bt_mce_callbacks = NULL; |
| |
| static void btif_mce_mas_discovery_comp_evt(uint16_t event, char* p_param) { |
| tBTA_MCE_MAS_DISCOVERY_COMP* evt_data = (tBTA_MCE_MAS_DISCOVERY_COMP*)p_param; |
| btmce_mas_instance_t insts[BTA_MCE_MAX_MAS_INSTANCES]; |
| bt_bdaddr_t addr; |
| int i; |
| |
| BTIF_TRACE_EVENT("%s: event = %d", __func__, event); |
| |
| if (event != BTA_MCE_MAS_DISCOVERY_COMP_EVT) return; |
| |
| for (i = 0; i < evt_data->num_mas; i++) { |
| insts[i].id = evt_data->mas[i].instance_id; |
| insts[i].scn = evt_data->mas[i].scn; |
| insts[i].msg_types = evt_data->mas[i].msg_type; |
| insts[i].p_name = evt_data->mas[i].p_srv_name; |
| } |
| |
| bdcpy(addr.address, evt_data->remote_addr); |
| |
| HAL_CBACK(bt_mce_callbacks, remote_mas_instances_cb, |
| (bt_status_t)evt_data->status, &addr, evt_data->num_mas, insts); |
| } |
| |
| static void mas_discovery_comp_copy_cb(uint16_t event, char* p_dest, |
| char* p_src) { |
| tBTA_MCE_MAS_DISCOVERY_COMP* p_dest_data = |
| (tBTA_MCE_MAS_DISCOVERY_COMP*)p_dest; |
| tBTA_MCE_MAS_DISCOVERY_COMP* p_src_data = (tBTA_MCE_MAS_DISCOVERY_COMP*)p_src; |
| char* p_dest_str; |
| int i; |
| |
| if (!p_src) return; |
| |
| if (event != BTA_MCE_MAS_DISCOVERY_COMP_EVT) return; |
| |
| maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data)); |
| |
| p_dest_str = p_dest + sizeof(tBTA_MCE_MAS_DISCOVERY_COMP); |
| |
| for (i = 0; i < p_src_data->num_mas; i++) { |
| p_dest_data->mas[i].p_srv_name = p_dest_str; |
| memcpy(p_dest_str, p_src_data->mas[i].p_srv_name, |
| p_src_data->mas[i].srv_name_len); |
| p_dest_str += p_src_data->mas[i].srv_name_len; |
| *(p_dest_str++) = '\0'; |
| } |
| } |
| |
| static void mce_dm_cback(tBTA_MCE_EVT event, tBTA_MCE* p_data, |
| void* user_data) { |
| switch (event) { |
| case BTA_MCE_MAS_DISCOVERY_COMP_EVT: { |
| int i; |
| uint16_t param_len = sizeof(tBTA_MCE); |
| |
| /* include space for all p_srv_name copies including null-termination */ |
| for (i = 0; i < p_data->mas_disc_comp.num_mas; i++) |
| param_len += (p_data->mas_disc_comp.mas[i].srv_name_len + 1); |
| |
| /* need to deepy copy p_srv_name and null-terminate */ |
| btif_transfer_context(btif_mce_mas_discovery_comp_evt, event, |
| (char*)p_data, param_len, |
| mas_discovery_comp_copy_cb); |
| |
| break; |
| } |
| } |
| } |
| |
| static bt_status_t init(btmce_callbacks_t* callbacks) { |
| BTIF_TRACE_EVENT("%s", __func__); |
| |
| bt_mce_callbacks = callbacks; |
| |
| btif_enable_service(BTA_MAP_SERVICE_ID); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| static bt_status_t get_remote_mas_instances(bt_bdaddr_t* bd_addr) { |
| bdstr_t bdstr; |
| |
| BTIF_TRACE_EVENT("%s: remote_addr=%s", __func__, |
| bdaddr_to_string(bd_addr, bdstr, sizeof(bdstr))); |
| |
| BTA_MceGetRemoteMasInstances(bd_addr->address); |
| |
| return BT_STATUS_SUCCESS; |
| } |
| |
| static const btmce_interface_t mce_if = { |
| sizeof(btmce_interface_t), init, get_remote_mas_instances, |
| }; |
| |
| const btmce_interface_t* btif_mce_get_interface(void) { |
| BTIF_TRACE_EVENT("%s", __func__); |
| return &mce_if; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function btif_mce_execute_service |
| * |
| * Description Initializes/Shuts down the service |
| * |
| * Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise |
| * |
| ******************************************************************************/ |
| bt_status_t btif_mce_execute_service(bool b_enable) { |
| BTIF_TRACE_EVENT("%s enable:%d", __func__, b_enable); |
| |
| if (b_enable) { |
| BTA_MceEnable(mce_dm_cback); |
| } else { |
| /* This is called on BT disable so no need to extra cleanup */ |
| } |
| return BT_STATUS_SUCCESS; |
| } |