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am 9ae991c1: Merge "Implementation of net_test_bluedroid as a GTest." into cw-e-dev
[android-x86/system-bt.git] / bta / hl / bta_hl_sdp.c
1 /******************************************************************************
2  *
3  *  Copyright (C) 1998-2012 Broadcom Corporation
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 #include <string.h>
20
21 #include "bt_target.h"
22 #if defined(HL_INCLUDED) && (HL_INCLUDED == TRUE)
23
24 #include "sdp_api.h"
25 #include "bta_hl_int.h"
26 #include "utl.h"
27
28 /*******************************************************************************
29 **
30 ** Function         bta_hl_fill_sup_feature_list
31 **
32 ** Description      Fill the supported features from teh SDP record
33 **
34 ** Returns          TRUE if found, FALSE if not
35 **                  If found, the passed protocol list element is filled in.
36 **
37 *******************************************************************************/
38 BOOLEAN bta_hl_fill_sup_feature_list( const tSDP_DISC_ATTR  *p_attr,
39                                       tBTA_HL_SUP_FEATURE_LIST_ELEM *p_list)
40 {
41     tSDP_DISC_ATTR  *p_sattr;
42     UINT8           item_cnt;
43     UINT8           list_cnt=0;
44     BOOLEAN         status=TRUE;
45
46     for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr; p_attr = p_attr->p_next_attr)
47     {
48         /* mdep sequence */
49         if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE)
50         {
51             return(FALSE);
52         }
53
54         item_cnt=0;
55
56         for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr && (item_cnt < 4) ; p_sattr = p_sattr->p_next_attr)
57         {
58             /* for each mdep list */
59
60             p_list->list_elem[list_cnt].p_mdep_desp = NULL;
61             switch (item_cnt)
62             {
63                 case 0:
64                     p_list->list_elem[list_cnt].mdep_id = p_sattr->attr_value.v.u8;
65                     break;
66                 case 1:
67                     p_list->list_elem[list_cnt].data_type = p_sattr->attr_value.v.u16;
68                     break;
69                 case 2:
70                     p_list->list_elem[list_cnt].mdep_role = (tBTA_HL_MDEP_ROLE) p_sattr->attr_value.v.u8;
71                     break;
72                 case 3:
73                     p_list->list_elem[list_cnt].p_mdep_desp    = (char *) p_sattr->attr_value.v.array;
74                     break;
75             }
76
77             item_cnt++;
78         }
79         list_cnt++;
80     }
81     p_list->num_elems = list_cnt;
82     return(status);
83 }
84
85 /*******************************************************************************
86 **
87 ** Function         bta_hl_compose_supported_feature_list
88 **
89 ** Description      This function is called to compose a data sequence from
90 **                  the supported  feature element list struct pointer
91 **
92 ** Returns          the length of the data sequence
93 **
94 *******************************************************************************/
95 int bta_hl_compose_supported_feature_list( UINT8 *p, UINT16 num_elem,
96                                            const tBTA_HL_SUP_FEATURE_ELEM *p_elem_list)
97 {
98     UINT16          xx, str_len, seq_len;
99     UINT8           *p_head = p;
100
101     for (xx = 0; xx < num_elem; xx++, p_elem_list++)
102     {
103         UINT8_TO_BE_STREAM  (p, (DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
104         seq_len=7;
105         str_len=0;
106         if (p_elem_list->p_mdep_desp)
107         {
108             str_len = strlen(p_elem_list->p_mdep_desp)+1;
109             seq_len += str_len+2; /* todo add a # symbol for 2 */
110         }
111
112         *p++ = (UINT8) seq_len;
113
114         UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_ONE_BYTE);
115         UINT8_TO_BE_STREAM  (p, p_elem_list->mdep_id);
116         UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_TWO_BYTES);
117         UINT16_TO_BE_STREAM (p, p_elem_list->data_type);
118         UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_ONE_BYTE);
119         UINT8_TO_BE_STREAM  (p, p_elem_list->mdep_role);
120
121         if (str_len)
122         {
123             UINT8_TO_BE_STREAM  (p, (TEXT_STR_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
124             UINT8_TO_BE_STREAM  (p, str_len);
125             ARRAY_TO_BE_STREAM(p, p_elem_list->p_mdep_desp, str_len);
126         }
127     }
128
129     return(p - p_head);
130 }
131
132 /*******************************************************************************
133 **
134 ** Function         bta_hl_add_sup_feature_list
135 **
136 ** Description      This function is called to add a protocol descriptor list to
137 **                  a record. This would be through the SDP database maintenance API.
138 **                  If the protocol list already exists in the record, it is replaced
139 **                  with the new list.
140 **
141 ** Returns          TRUE if added OK, else FALSE
142 **
143 *******************************************************************************/
144 BOOLEAN bta_hl_add_sup_feature_list (UINT32 handle, UINT16 num_elem,
145                                      const tBTA_HL_SUP_FEATURE_ELEM *p_elem_list)
146 {
147     UINT8       *p_buf;
148     int         offset;
149     BOOLEAN     result = FALSE;
150
151     if ((p_buf = (UINT8 *)GKI_getbuf(BTA_HL_SUP_FEATURE_SDP_BUF_SIZE)) != NULL)
152     {
153         offset = bta_hl_compose_supported_feature_list(p_buf, num_elem, p_elem_list);
154         result = SDP_AddAttribute (handle, ATTR_ID_HDP_SUP_FEAT_LIST,
155                                    DATA_ELE_SEQ_DESC_TYPE, (UINT32) offset, p_buf);
156         GKI_freebuf(p_buf);
157     }
158     return result;
159 }
160
161 /*****************************************************************************
162 **
163 **  Function:    bta_hl_sdp_update
164 **
165 **  Purpose:     Register an HDP application with SDP
166 **
167 **  Parameters:
168 **
169 **  Returns:     void
170 **
171 *****************************************************************************/
172 tBTA_HL_STATUS bta_hl_sdp_update (UINT8 app_id)
173 {
174     UINT16                          svc_class_id_list[BTA_HL_NUM_SVC_ELEMS];
175     tSDP_PROTOCOL_ELEM              proto_elem_list[BTA_HL_NUM_PROTO_ELEMS];
176     tSDP_PROTO_LIST_ELEM            add_proto_list;
177     tBTA_HL_SUP_FEATURE_LIST_ELEM   sup_feature_list;
178     UINT16                          browse_list[] = {UUID_SERVCLASS_PUBLIC_BROWSE_GROUP};
179     UINT8                           i,j, cnt,mdep_id, mdep_role;
180     UINT8                           data_exchange_spec = BTA_HL_SDP_IEEE_11073_20601;
181     UINT8                           mcap_sup_proc = BTA_HL_MCAP_SUP_PROC_MASK;
182     UINT16                          profile_uuid = UUID_SERVCLASS_HDP_PROFILE;
183     UINT16                          version = BTA_HL_VERSION_01_00;
184     UINT8                           num_services=1;
185     tBTA_HL_APP_CB                  *p_cb = BTA_HL_GET_APP_CB_PTR(0);
186     BOOLEAN                         result = TRUE;
187     tBTA_HL_STATUS                  status = BTA_HL_STATUS_OK;
188     UNUSED(app_id);
189
190     if ((p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SOURCE) &&
191         (!p_cb->sup_feature.advertize_source_sdp))
192     {
193         return BTA_HL_STATUS_OK;
194     }
195
196     num_services=1;
197     svc_class_id_list[0]= UUID_SERVCLASS_HDP_SOURCE;
198     if (p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SINK)
199     {
200         svc_class_id_list[0]= UUID_SERVCLASS_HDP_SINK;
201     }
202     else
203     {
204         if (p_cb->sup_feature.app_role_mask != BTA_HL_MDEP_ROLE_MASK_SOURCE)
205         {
206             /* dual role */
207             num_services=2;
208             svc_class_id_list[1]= UUID_SERVCLASS_HDP_SINK;
209         }
210     }
211     result &= SDP_AddServiceClassIdList(p_cb->sdp_handle, num_services, svc_class_id_list);
212
213     if (result)
214     {
215         /* add the protocol element sequence */
216         proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
217         proto_elem_list[0].num_params = 1;
218         proto_elem_list[0].params[0] = p_cb->ctrl_psm;
219         proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_MCAP_CTRL;
220         proto_elem_list[1].num_params = 1;
221         proto_elem_list[1].params[0] = version;
222         result &= SDP_AddProtocolList(p_cb->sdp_handle, BTA_HL_NUM_PROTO_ELEMS, proto_elem_list);
223
224         result &= SDP_AddProfileDescriptorList(p_cb->sdp_handle, profile_uuid, version);
225     }
226
227     if (result)
228     {
229         add_proto_list.num_elems = BTA_HL_NUM_ADD_PROTO_ELEMS;
230         add_proto_list.list_elem[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
231         add_proto_list.list_elem[0].num_params = 1;
232         add_proto_list.list_elem[0].params[0] = p_cb->data_psm;
233         add_proto_list.list_elem[1].protocol_uuid = UUID_PROTOCOL_MCAP_DATA;
234         add_proto_list.list_elem[1].num_params = 0;
235         result &= SDP_AddAdditionProtoLists(p_cb->sdp_handle, BTA_HL_NUM_ADD_PROTO_LISTS,
236                                             (tSDP_PROTO_LIST_ELEM *)&add_proto_list);
237     }
238
239     if (result)
240     {
241         if (p_cb->srv_name[0] )
242         {
243             result &= SDP_AddAttribute(p_cb->sdp_handle,
244                                        (UINT16)ATTR_ID_SERVICE_NAME,
245                                        (UINT8)TEXT_STR_DESC_TYPE,
246                                        (UINT32)(strlen(p_cb->srv_name) + 1),
247                                        (UINT8 *)p_cb->srv_name);
248         } /* end of setting optional service name */
249     }
250
251     if (result)
252     {
253         if (p_cb->srv_desp[0] )
254         {
255             result &= SDP_AddAttribute(p_cb->sdp_handle,
256                                        (UINT16)ATTR_ID_SERVICE_DESCRIPTION,
257                                        (UINT8)TEXT_STR_DESC_TYPE,
258                                        (UINT32)(strlen(p_cb->srv_desp) + 1),
259                                        (UINT8 *)p_cb->srv_desp);
260
261         } /* end of setting optional service description */
262
263     }
264
265     if (result)
266     {
267         if (p_cb->provider_name[0] )
268         {
269             result &= SDP_AddAttribute(p_cb->sdp_handle,
270                                        (UINT16)ATTR_ID_PROVIDER_NAME,
271                                        (UINT8)TEXT_STR_DESC_TYPE,
272                                        (UINT32)(strlen(p_cb->provider_name) + 1),
273                                        (UINT8 *)p_cb->provider_name);
274         } /* end of setting optional provider name */
275     }
276
277     /* add supported feture list */
278
279     if (result)
280     {
281         cnt=0;
282         for (i=1; i< BTA_HL_NUM_MDEPS; i++)
283         {
284             if (p_cb->sup_feature.mdep[i].mdep_id)
285             {
286                 mdep_id = (UINT8)p_cb->sup_feature.mdep[i].mdep_id;
287                 mdep_role = (UINT8)p_cb->sup_feature.mdep[i].mdep_cfg.mdep_role;
288
289                 APPL_TRACE_DEBUG("num_of_mdep_data_types %d ", p_cb->sup_feature.mdep[i].mdep_cfg.num_of_mdep_data_types);
290                 for (j=0; j<p_cb->sup_feature.mdep[i].mdep_cfg.num_of_mdep_data_types; j++)
291                 {
292                     sup_feature_list.list_elem[cnt].mdep_id = mdep_id;
293                     sup_feature_list.list_elem[cnt].mdep_role = mdep_role;
294                     sup_feature_list.list_elem[cnt].data_type = p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].data_type;
295                     if (p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp[0] != '\0')
296                     {
297                         sup_feature_list.list_elem[cnt].p_mdep_desp = p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp;
298                     }
299                     else
300                     {
301                         sup_feature_list.list_elem[cnt].p_mdep_desp = NULL;
302                     }
303
304                     cnt++;
305                     if (cnt==BTA_HL_NUM_SUP_FEATURE_ELEMS)
306                     {
307                         result = FALSE;
308                         break;
309                     }
310                 }
311             }
312         }
313         sup_feature_list.num_elems = cnt;
314         result &=   bta_hl_add_sup_feature_list (p_cb->sdp_handle,
315                                                  sup_feature_list.num_elems,
316                                                  sup_feature_list.list_elem);
317     }
318     if (result)
319     {
320         result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_DATA_EXCH_SPEC, UINT_DESC_TYPE,
321                                    (UINT32)1, (UINT8*)&data_exchange_spec);
322     }
323
324     if (result)
325     {
326
327         result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_MCAP_SUP_PROC, UINT_DESC_TYPE,
328                                    (UINT32)1, (UINT8*)&mcap_sup_proc);
329     }
330
331     if (result)
332     {
333         result &= SDP_AddUuidSequence(p_cb->sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, browse_list);
334     }
335
336     if (result)
337     {
338         for(i=0; i < num_services; i++)
339         {
340             bta_sys_add_uuid(svc_class_id_list[i]);
341             APPL_TRACE_DEBUG("dbg bta_sys_add_uuid i=%d uuid=0x%x", i, svc_class_id_list[i]); //todo
342         }
343     }
344     else
345     {
346         if (p_cb->sdp_handle)
347         {
348             SDP_DeleteRecord(p_cb->sdp_handle);
349             p_cb->sdp_handle = 0;
350         }
351         status = BTA_HL_STATUS_SDP_FAIL;
352     }
353 #if BTA_HL_DEBUG == TRUE
354     APPL_TRACE_DEBUG("bta_hl_sdp_update status=%s", bta_hl_status_code(status));
355 #endif
356     return status;
357 }
358
359
360 /*****************************************************************************
361 **
362 **  Function:    bta_hl_sdp_register
363 **
364 **  Purpose:     Register an HDP application with SDP
365 **
366 **  Parameters:  p_cb           - Pointer to MA instance control block
367 **               p_service_name - MA server name
368 **               inst_id        - MAS instance ID
369 **               msg_type       - Supported message type(s)
370 **
371 **
372 **  Returns:     void
373 **
374 *****************************************************************************/
375 tBTA_HL_STATUS bta_hl_sdp_register (UINT8 app_idx)
376 {
377     UINT16                          svc_class_id_list[BTA_HL_NUM_SVC_ELEMS];
378     tSDP_PROTOCOL_ELEM              proto_elem_list[BTA_HL_NUM_PROTO_ELEMS];
379     tSDP_PROTO_LIST_ELEM            add_proto_list;
380     tBTA_HL_SUP_FEATURE_LIST_ELEM   sup_feature_list;
381     UINT16                          browse_list[] = {UUID_SERVCLASS_PUBLIC_BROWSE_GROUP};
382     UINT8                           i,j, cnt,mdep_id, mdep_role;
383     UINT8                           data_exchange_spec = BTA_HL_SDP_IEEE_11073_20601;
384     UINT8                           mcap_sup_proc = BTA_HL_MCAP_SUP_PROC_MASK;
385     UINT16                          profile_uuid = UUID_SERVCLASS_HDP_PROFILE;
386     UINT16                          version = BTA_HL_VERSION_01_00;
387     UINT8                           num_services=1;
388     tBTA_HL_APP_CB                  *p_cb = BTA_HL_GET_APP_CB_PTR(app_idx);
389     BOOLEAN                         result = TRUE;
390     tBTA_HL_STATUS                  status = BTA_HL_STATUS_OK;
391
392 #if BTA_HL_DEBUG == TRUE
393     APPL_TRACE_DEBUG("bta_hl_sdp_register app_idx=%d",app_idx);
394 #endif
395
396     if ((p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SOURCE) &&
397         (!p_cb->sup_feature.advertize_source_sdp))
398     {
399         return BTA_HL_STATUS_OK;
400     }
401
402     if ((p_cb->sdp_handle  = SDP_CreateRecord()) == 0)
403     {
404         return BTA_HL_STATUS_SDP_NO_RESOURCE;
405     }
406
407     num_services=1;
408     svc_class_id_list[0]= UUID_SERVCLASS_HDP_SOURCE;
409     if (p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SINK)
410     {
411         svc_class_id_list[0]= UUID_SERVCLASS_HDP_SINK;
412     }
413     else
414     {
415         if (p_cb->sup_feature.app_role_mask != BTA_HL_MDEP_ROLE_MASK_SOURCE)
416         {
417             /* dual role */
418             num_services=2;
419             svc_class_id_list[1]= UUID_SERVCLASS_HDP_SINK;
420         }
421     }
422     result &= SDP_AddServiceClassIdList(p_cb->sdp_handle, num_services, svc_class_id_list);
423
424     if (result)
425     {
426         /* add the protocol element sequence */
427         proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
428         proto_elem_list[0].num_params = 1;
429         proto_elem_list[0].params[0] = p_cb->ctrl_psm;
430         proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_MCAP_CTRL;
431         proto_elem_list[1].num_params = 1;
432         proto_elem_list[1].params[0] = version;
433         result &= SDP_AddProtocolList(p_cb->sdp_handle, BTA_HL_NUM_PROTO_ELEMS, proto_elem_list);
434
435         result &= SDP_AddProfileDescriptorList(p_cb->sdp_handle, profile_uuid, version);
436     }
437
438     if (result)
439     {
440         add_proto_list.num_elems = BTA_HL_NUM_ADD_PROTO_ELEMS;
441         add_proto_list.list_elem[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
442         add_proto_list.list_elem[0].num_params = 1;
443         add_proto_list.list_elem[0].params[0] = p_cb->data_psm;
444         add_proto_list.list_elem[1].protocol_uuid = UUID_PROTOCOL_MCAP_DATA;
445         add_proto_list.list_elem[1].num_params = 0;
446         result &= SDP_AddAdditionProtoLists(p_cb->sdp_handle, BTA_HL_NUM_ADD_PROTO_LISTS,
447                                             (tSDP_PROTO_LIST_ELEM *)&add_proto_list);
448     }
449
450     if (result)
451     {
452         if (p_cb->srv_name[0] )
453         {
454             result &= SDP_AddAttribute(p_cb->sdp_handle,
455                                        (UINT16)ATTR_ID_SERVICE_NAME,
456                                        (UINT8)TEXT_STR_DESC_TYPE,
457                                        (UINT32)(strlen(p_cb->srv_name) + 1),
458                                        (UINT8 *)p_cb->srv_name);
459         } /* end of setting optional service name */
460     }
461
462     if (result)
463     {
464         if (p_cb->srv_desp[0] )
465         {
466             result &= SDP_AddAttribute(p_cb->sdp_handle,
467                                        (UINT16)ATTR_ID_SERVICE_DESCRIPTION,
468                                        (UINT8)TEXT_STR_DESC_TYPE,
469                                        (UINT32)(strlen(p_cb->srv_desp) + 1),
470                                        (UINT8 *)p_cb->srv_desp);
471
472         } /* end of setting optional service description */
473
474     }
475
476     if (result)
477     {
478         if (p_cb->provider_name[0] )
479         {
480             result &= SDP_AddAttribute(p_cb->sdp_handle,
481                                        (UINT16)ATTR_ID_PROVIDER_NAME,
482                                        (UINT8)TEXT_STR_DESC_TYPE,
483                                        (UINT32)(strlen(p_cb->provider_name) + 1),
484                                        (UINT8 *)p_cb->provider_name);
485         } /* end of setting optional provider name */
486     }
487
488     /* add supported feture list */
489
490     if (result)
491     {
492         cnt=0;
493         for (i=1; i<= p_cb->sup_feature.num_of_mdeps; i++)
494         {
495             mdep_id = (UINT8)p_cb->sup_feature.mdep[i].mdep_id;
496             mdep_role = (UINT8)p_cb->sup_feature.mdep[i].mdep_cfg.mdep_role;
497
498             for (j=0; j<p_cb->sup_feature.mdep[i].mdep_cfg.num_of_mdep_data_types; j++)
499             {
500                 sup_feature_list.list_elem[cnt].mdep_id = mdep_id;
501                 sup_feature_list.list_elem[cnt].mdep_role = mdep_role;
502                 sup_feature_list.list_elem[cnt].data_type = p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].data_type;
503                 if (p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp[0] != '\0')
504                 {
505                     sup_feature_list.list_elem[cnt].p_mdep_desp = p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp;
506                 }
507                 else
508                 {
509                     sup_feature_list.list_elem[cnt].p_mdep_desp = NULL;
510                 }
511
512                 cnt++;
513                 if (cnt==BTA_HL_NUM_SUP_FEATURE_ELEMS)
514                 {
515                     result = FALSE;
516                     break;
517                 }
518             }
519         }
520         sup_feature_list.num_elems = cnt;
521         result &=   bta_hl_add_sup_feature_list (p_cb->sdp_handle,
522                                                  sup_feature_list.num_elems,
523                                                  sup_feature_list.list_elem);
524     }
525     if (result)
526     {
527         result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_DATA_EXCH_SPEC, UINT_DESC_TYPE,
528                                    (UINT32)1, (UINT8*)&data_exchange_spec);
529     }
530
531     if (result)
532     {
533
534         result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_MCAP_SUP_PROC, UINT_DESC_TYPE,
535                                    (UINT32)1, (UINT8*)&mcap_sup_proc);
536     }
537
538     if (result)
539     {
540         result &= SDP_AddUuidSequence(p_cb->sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, browse_list);
541     }
542
543     if (result)
544     {
545         for(i=0; i < num_services; i++)
546         {
547             bta_sys_add_uuid(svc_class_id_list[i]);
548             APPL_TRACE_DEBUG("dbg bta_sys_add_uuid i=%d uuid=0x%x", i, svc_class_id_list[i]); //todo
549         }
550     }
551     else
552     {
553         if (p_cb->sdp_handle)
554         {
555             SDP_DeleteRecord(p_cb->sdp_handle);
556             p_cb->sdp_handle = 0;
557         }
558         status = BTA_HL_STATUS_SDP_FAIL;
559     }
560 #if BTA_HL_DEBUG == TRUE
561     APPL_TRACE_DEBUG("bta_hl_sdp_register status=%s", bta_hl_status_code(status));
562 #endif
563     return status;
564 }
565
566 /*******************************************************************************
567 **
568 ** Function         bta_hl_find_sink_or_src_srv_class_in_db
569 **
570 ** Description      This function queries an SDP database for either a HDP Sink or
571 **                  Source service class ID.
572 **                  If the p_start_rec pointer is NULL, it looks from the beginning
573 **                  of the database, else it continues from the next record after
574 **                  p_start_rec.
575 **
576 ** Returns          Pointer to record containing service class, or NULL
577 **
578 *******************************************************************************/
579 tSDP_DISC_REC *bta_hl_find_sink_or_src_srv_class_in_db (const tSDP_DISCOVERY_DB *p_db,
580                                                         const tSDP_DISC_REC *p_start_rec)
581 {
582 #if SDP_CLIENT_ENABLED == TRUE
583     tSDP_DISC_REC   *p_rec;
584     tSDP_DISC_ATTR  *p_attr, *p_sattr;
585
586     /* Must have a valid database */
587     if (p_db == NULL)
588         return(NULL);
589
590
591     if (!p_start_rec)
592     {
593
594         p_rec = p_db->p_first_rec;
595     }
596     else
597     {
598         p_rec = p_start_rec->p_next_rec;
599     }
600
601     while (p_rec)
602     {
603         p_attr = p_rec->p_first_attr;
604         while (p_attr)
605         {
606             if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST)
607                 && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE))
608             {
609                 for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr)
610                 {
611                     if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE)
612                         && (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2)
613                         && ( (p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SINK) ||
614                              (p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SOURCE)) )
615                     {
616                         return(p_rec);
617                     }
618                 }
619                 break;
620             }
621
622             p_attr = p_attr->p_next_attr;
623         }
624
625         p_rec = p_rec->p_next_rec;
626     }
627 #endif
628     /* If here, no matching UUID found */
629
630 #if BTA_HL_DEBUG == TRUE
631     APPL_TRACE_DEBUG("bta_hl_find_sink_or_src_srv_class_in_db failed");
632 #endif
633
634     return(NULL);
635 }
636 #endif /* HL_INCLUDED */