1 /******************************************************************************
2 *
3 * Copyright (C) 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 functionality.
24 * References btif_sdp_server.c for SDP record creation.
25 *
26 ***********************************************************************************/
27
28 #define LOG_TAG "bt_btif_sdp"
29
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include <hardware/bluetooth.h>
34 #include <hardware/bt_sdp.h>
35
36 #include "bta_api.h"
37 #include "bta_sdp_api.h"
38 #include "btif_common.h"
39 #include "btif_profile_queue.h"
40 #include "btif_util.h"
41
42 /*****************************************************************************
43 ** Functions implemented in sdp_server.c
44 ******************************************************************************/
45 bt_status_t sdp_server_init();
46 void sdp_server_cleanup();
47 bt_status_t create_sdp_record(bluetooth_sdp_record *records, int* record_handles);
48 bt_status_t remove_sdp_record(int record_handle);
49 void on_create_record_event(int handle);
50 void on_remove_record_event(int handle);
51
52 // Utility functions:
53 int get_sdp_records_size(bluetooth_sdp_record* in_record, int count);
54 void copy_sdp_records(bluetooth_sdp_record* in_records,
55 bluetooth_sdp_record* out_records, int count);
56
57 /*****************************************************************************
58 ** Static variables
59 ******************************************************************************/
60
61 static btsdp_callbacks_t *bt_sdp_callbacks = NULL;
62
btif_sdp_search_comp_evt(UINT16 event,char * p_param)63 static void btif_sdp_search_comp_evt(UINT16 event, char *p_param)
64 {
65 tBTA_SDP_SEARCH_COMP *evt_data = (tBTA_SDP_SEARCH_COMP*) p_param;
66 bt_bdaddr_t addr;
67 BTIF_TRACE_DEBUG("%s: event = %d", __FUNCTION__, event);
68
69 if (event != BTA_SDP_SEARCH_COMP_EVT)
70 return;
71
72 bdcpy(addr.address, evt_data->remote_addr);
73
74 HAL_CBACK(bt_sdp_callbacks, sdp_search_cb, evt_data->status,
75 &addr, (uint8_t*)(evt_data->uuid.uu.uuid128),
76 evt_data->record_count, evt_data->records);
77 }
78
sdp_search_comp_copy_cb(UINT16 event,char * p_dest,char * p_src)79 static void sdp_search_comp_copy_cb(UINT16 event, char *p_dest, char *p_src)
80 {
81 tBTA_SDP_SEARCH_COMP *p_dest_data = (tBTA_SDP_SEARCH_COMP *) p_dest;
82 tBTA_SDP_SEARCH_COMP *p_src_data = (tBTA_SDP_SEARCH_COMP *) p_src;
83
84 if (!p_src)
85 return;
86
87 if (event != BTA_SDP_SEARCH_COMP_EVT)
88 return;
89
90 maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
91
92 copy_sdp_records(p_src_data->records, p_dest_data->records, p_src_data->record_count);
93 }
94
sdp_dm_cback(tBTA_SDP_EVT event,tBTA_SDP * p_data,void * user_data)95 static void sdp_dm_cback(tBTA_SDP_EVT event, tBTA_SDP *p_data, void *user_data)
96 {
97 switch (event)
98 {
99 case BTA_SDP_SEARCH_COMP_EVT:
100 {
101 int size = sizeof(tBTA_SDP);
102 size += get_sdp_records_size(p_data->sdp_search_comp.records,
103 p_data->sdp_search_comp.record_count);
104
105 /* need to deep copy the record content */
106 btif_transfer_context(btif_sdp_search_comp_evt, event,
107 (char*)p_data, size, sdp_search_comp_copy_cb);
108 break;
109 }
110 case BTA_SDP_CREATE_RECORD_USER_EVT:
111 {
112 on_create_record_event(PTR_TO_INT(user_data));
113 break;
114 }
115 case BTA_SDP_REMOVE_RECORD_USER_EVT:
116 {
117 on_remove_record_event(PTR_TO_INT(user_data));
118 break;
119 }
120 default:
121 break;
122 }
123 }
124
init(btsdp_callbacks_t * callbacks)125 static bt_status_t init(btsdp_callbacks_t* callbacks)
126 {
127 BTIF_TRACE_DEBUG("Sdp Search %s", __FUNCTION__);
128
129 bt_sdp_callbacks = callbacks;
130 sdp_server_init();
131
132 btif_enable_service(BTA_SDP_SERVICE_ID);
133
134 return BT_STATUS_SUCCESS;
135 }
136
deinit()137 static bt_status_t deinit()
138 {
139 BTIF_TRACE_DEBUG("Sdp Search %s", __FUNCTION__);
140
141 bt_sdp_callbacks = NULL;
142 sdp_server_cleanup();
143 btif_disable_service(BTA_SDP_SERVICE_ID);
144
145 return BT_STATUS_SUCCESS;
146 }
147
search(bt_bdaddr_t * bd_addr,const uint8_t * uuid)148 static bt_status_t search(bt_bdaddr_t *bd_addr, const uint8_t *uuid)
149 {
150 tSDP_UUID sdp_uuid;
151 sdp_uuid.len = 16;
152 memcpy(sdp_uuid.uu.uuid128, uuid, sizeof(sdp_uuid.uu.uuid128));
153
154 BTA_SdpSearch(bd_addr->address, &sdp_uuid);
155
156 return BT_STATUS_SUCCESS;
157 }
158
159 static const btsdp_interface_t sdp_if = {
160 sizeof(btsdp_interface_t),
161 init,
162 deinit,
163 search,
164 create_sdp_record,
165 remove_sdp_record
166 };
167
btif_sdp_get_interface(void)168 const btsdp_interface_t *btif_sdp_get_interface(void)
169 {
170 BTIF_TRACE_DEBUG("%s", __FUNCTION__);
171 return &sdp_if;
172 }
173
174 /*******************************************************************************
175 **
176 ** Function btif_sdp_execute_service
177 **
178 ** Description Initializes/Shuts down the service
179 **
180 ** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise
181 **
182 *******************************************************************************/
btif_sdp_execute_service(BOOLEAN b_enable)183 bt_status_t btif_sdp_execute_service(BOOLEAN b_enable)
184 {
185 BTIF_TRACE_DEBUG("%s enable:%d", __FUNCTION__, b_enable);
186
187 if (b_enable)
188 {
189 BTA_SdpEnable(sdp_dm_cback);
190 }
191 else
192 {
193 /* This is called on BT disable so no need to extra cleanup */
194 }
195 return BT_STATUS_SUCCESS;
196 }
197
198