1 /****************************************************************************** 2 * 3 * Copyright 2014 Samsung System LSI 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /******************************************************************************* 20 * 21 * Filename: btif_sdp.c 22 * Description: SDP Bluetooth Interface. 23 * Implements the generic message handling and search 24 * functionality. 25 * References btif_sdp_server.c for SDP record creation. 26 * 27 ******************************************************************************/ 28 29 #define LOG_TAG "bt_btif_sdp" 30 31 #include <stdlib.h> 32 #include <string.h> 33 34 #include <hardware/bluetooth.h> 35 #include <hardware/bt_sdp.h> 36 37 #include "bta_api.h" 38 #include "bta_sdp_api.h" 39 #include "btif_common.h" 40 #include "btif_profile_queue.h" 41 #include "btif_util.h" 42 43 using bluetooth::Uuid; 44 45 /***************************************************************************** 46 * Functions implemented in sdp_server.c 47 *****************************************************************************/ 48 bt_status_t sdp_server_init(); 49 void sdp_server_cleanup(); 50 bt_status_t create_sdp_record(bluetooth_sdp_record* records, 51 int* record_handles); 52 bt_status_t remove_sdp_record(int record_handle); 53 void on_create_record_event(int handle); 54 void on_remove_record_event(int handle); 55 56 // Utility functions: 57 int get_sdp_records_size(bluetooth_sdp_record* in_record, int count); 58 void copy_sdp_records(bluetooth_sdp_record* in_records, 59 bluetooth_sdp_record* out_records, int count); 60 61 /***************************************************************************** 62 * Static variables 63 *****************************************************************************/ 64 65 static btsdp_callbacks_t* bt_sdp_callbacks = NULL; 66 67 static void btif_sdp_search_comp_evt(uint16_t event, char* p_param) { 68 tBTA_SDP_SEARCH_COMP* evt_data = (tBTA_SDP_SEARCH_COMP*)p_param; 69 BTIF_TRACE_DEBUG("%s: event = %d", __func__, event); 70 71 if (event != BTA_SDP_SEARCH_COMP_EVT) return; 72 73 HAL_CBACK(bt_sdp_callbacks, sdp_search_cb, (bt_status_t)evt_data->status, 74 evt_data->remote_addr, evt_data->uuid, evt_data->record_count, 75 evt_data->records); 76 } 77 78 static void sdp_search_comp_copy_cb(uint16_t event, char* p_dest, char* p_src) { 79 tBTA_SDP_SEARCH_COMP* p_dest_data = (tBTA_SDP_SEARCH_COMP*)p_dest; 80 tBTA_SDP_SEARCH_COMP* p_src_data = (tBTA_SDP_SEARCH_COMP*)p_src; 81 82 if (!p_src) return; 83 84 if (event != BTA_SDP_SEARCH_COMP_EVT) return; 85 86 maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data)); 87 88 copy_sdp_records(p_src_data->records, p_dest_data->records, 89 p_src_data->record_count); 90 } 91 92 static void sdp_dm_cback(tBTA_SDP_EVT event, tBTA_SDP* p_data, 93 void* user_data) { 94 switch (event) { 95 case BTA_SDP_SEARCH_COMP_EVT: { 96 int size = sizeof(tBTA_SDP); 97 size += get_sdp_records_size(p_data->sdp_search_comp.records, 98 p_data->sdp_search_comp.record_count); 99 100 /* need to deep copy the record content */ 101 btif_transfer_context(btif_sdp_search_comp_evt, event, (char*)p_data, 102 size, sdp_search_comp_copy_cb); 103 break; 104 } 105 case BTA_SDP_CREATE_RECORD_USER_EVT: { 106 on_create_record_event(PTR_TO_INT(user_data)); 107 break; 108 } 109 case BTA_SDP_REMOVE_RECORD_USER_EVT: { 110 on_remove_record_event(PTR_TO_INT(user_data)); 111 break; 112 } 113 default: 114 break; 115 } 116 } 117 118 static bt_status_t init(btsdp_callbacks_t* callbacks) { 119 BTIF_TRACE_DEBUG("Sdp Search %s", __func__); 120 121 bt_sdp_callbacks = callbacks; 122 sdp_server_init(); 123 124 btif_enable_service(BTA_SDP_SERVICE_ID); 125 126 return BT_STATUS_SUCCESS; 127 } 128 129 static bt_status_t deinit() { 130 BTIF_TRACE_DEBUG("Sdp Search %s", __func__); 131 132 bt_sdp_callbacks = NULL; 133 sdp_server_cleanup(); 134 btif_disable_service(BTA_SDP_SERVICE_ID); 135 136 return BT_STATUS_SUCCESS; 137 } 138 139 static bt_status_t search(RawAddress* bd_addr, const Uuid& uuid) { 140 BTA_SdpSearch(*bd_addr, uuid); 141 return BT_STATUS_SUCCESS; 142 } 143 144 static const btsdp_interface_t sdp_if = { 145 sizeof(btsdp_interface_t), init, deinit, search, create_sdp_record, 146 remove_sdp_record}; 147 148 const btsdp_interface_t* btif_sdp_get_interface(void) { 149 BTIF_TRACE_DEBUG("%s", __func__); 150 return &sdp_if; 151 } 152 153 /******************************************************************************* 154 * 155 * Function btif_sdp_execute_service 156 * 157 * Description Initializes/Shuts down the service 158 * 159 * Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise 160 * 161 ******************************************************************************/ 162 bt_status_t btif_sdp_execute_service(bool b_enable) { 163 BTIF_TRACE_DEBUG("%s enable:%d", __func__, b_enable); 164 165 if (b_enable) { 166 BTA_SdpEnable(sdp_dm_cback); 167 } else { 168 /* This is called on BT disable so no need to extra cleanup */ 169 } 170 return BT_STATUS_SUCCESS; 171 } 172
