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
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 *******************************************************************************/
bta_hl_fill_sup_feature_list(const tSDP_DISC_ATTR * p_attr,tBTA_HL_SUP_FEATURE_LIST_ELEM * p_list)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 seq_len, 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 seq_len =SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
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 *******************************************************************************/
bta_hl_compose_supported_feature_list(UINT8 * p,UINT16 num_elem,const tBTA_HL_SUP_FEATURE_ELEM * p_elem_list)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 *******************************************************************************/
bta_hl_add_sup_feature_list(UINT32 handle,UINT16 num_elem,const tBTA_HL_SUP_FEATURE_ELEM * p_elem_list)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 ** Function: bta_hl_sdp_register
163 **
164 ** Purpose: Register an HDP application with SDP
165 **
166 ** Parameters: p_cb - Pointer to MA instance control block
167 ** p_service_name - MA server name
168 ** inst_id - MAS instance ID
169 ** msg_type - Supported message type(s)
170 **
171 **
172 ** Returns: void
173 **
174 *****************************************************************************/
bta_hl_sdp_register(UINT8 app_idx)175 tBTA_HL_STATUS bta_hl_sdp_register (UINT8 app_idx)
176 {
177 UINT16 svc_class_id_list[BTA_HL_NUM_SVC_ELEMS];
178 tSDP_PROTOCOL_ELEM proto_elem_list[BTA_HL_NUM_PROTO_ELEMS];
179 tSDP_PROTO_LIST_ELEM add_proto_list;
180 tBTA_HL_SUP_FEATURE_LIST_ELEM sup_feature_list;
181 UINT16 browse_list[] = {UUID_SERVCLASS_PUBLIC_BROWSE_GROUP};
182 UINT8 i,j, cnt,mdep_id, mdep_role;
183 UINT8 data_exchange_spec = BTA_HL_SDP_IEEE_11073_20601;
184 UINT8 mcap_sup_proc = BTA_HL_MCAP_SUP_PROC_MASK;
185 UINT16 profile_uuid = UUID_SERVCLASS_HDP_PROFILE;
186 UINT16 version = BTA_HL_VERSION_01_00;
187 UINT8 num_services=1;
188 tBTA_HL_APP_CB *p_cb = BTA_HL_GET_APP_CB_PTR(app_idx);
189 BOOLEAN result = TRUE;
190 tBTA_HL_STATUS status = BTA_HL_STATUS_OK;
191
192 #if BTA_HL_DEBUG == TRUE
193 APPL_TRACE_DEBUG1("bta_hl_sdp_register app_idx=%d",app_idx);
194 #endif
195
196 if ((p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SOURCE) &&
197 (!p_cb->sup_feature.advertize_source_sdp))
198 {
199 return BTA_HL_STATUS_OK;
200 }
201
202 if ((p_cb->sdp_handle = SDP_CreateRecord()) == 0)
203 {
204 return BTA_HL_STATUS_SDP_NO_RESOURCE;
205 }
206
207 num_services=1;
208 svc_class_id_list[0]= UUID_SERVCLASS_HDP_SOURCE;
209 if (p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SINK)
210 {
211 svc_class_id_list[0]= UUID_SERVCLASS_HDP_SINK;
212 }
213 else
214 {
215 if (p_cb->sup_feature.app_role_mask != BTA_HL_MDEP_ROLE_MASK_SOURCE)
216 {
217 /* dual role */
218 num_services=2;
219 svc_class_id_list[1]= UUID_SERVCLASS_HDP_SINK;
220 }
221 }
222 result &= SDP_AddServiceClassIdList(p_cb->sdp_handle, num_services, svc_class_id_list);
223
224 if (result)
225 {
226 /* add the protocol element sequence */
227 proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
228 proto_elem_list[0].num_params = 1;
229 proto_elem_list[0].params[0] = p_cb->ctrl_psm;
230 proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_MCAP_CTRL;
231 proto_elem_list[1].num_params = 1;
232 proto_elem_list[1].params[0] = version;
233 result &= SDP_AddProtocolList(p_cb->sdp_handle, BTA_HL_NUM_PROTO_ELEMS, proto_elem_list);
234
235 result &= SDP_AddProfileDescriptorList(p_cb->sdp_handle, profile_uuid, version);
236 }
237
238 if (result)
239 {
240 add_proto_list.num_elems = BTA_HL_NUM_ADD_PROTO_ELEMS;
241 add_proto_list.list_elem[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
242 add_proto_list.list_elem[0].num_params = 1;
243 add_proto_list.list_elem[0].params[0] = p_cb->data_psm;
244 add_proto_list.list_elem[1].protocol_uuid = UUID_PROTOCOL_MCAP_DATA;
245 add_proto_list.list_elem[1].num_params = 0;
246 result &= SDP_AddAdditionProtoLists(p_cb->sdp_handle, BTA_HL_NUM_ADD_PROTO_LISTS,
247 (tSDP_PROTO_LIST_ELEM *)&add_proto_list);
248 }
249
250 if (result)
251 {
252 if (p_cb->srv_name[0] )
253 {
254 result &= SDP_AddAttribute(p_cb->sdp_handle,
255 (UINT16)ATTR_ID_SERVICE_NAME,
256 (UINT8)TEXT_STR_DESC_TYPE,
257 (UINT32)(strlen(p_cb->srv_name) + 1),
258 (UINT8 *)p_cb->srv_name);
259 } /* end of setting optional service name */
260 }
261
262 if (result)
263 {
264 if (p_cb->srv_desp[0] )
265 {
266 result &= SDP_AddAttribute(p_cb->sdp_handle,
267 (UINT16)ATTR_ID_SERVICE_DESCRIPTION,
268 (UINT8)TEXT_STR_DESC_TYPE,
269 (UINT32)(strlen(p_cb->srv_desp) + 1),
270 (UINT8 *)p_cb->srv_desp);
271
272 } /* end of setting optional service description */
273
274 }
275
276 if (result)
277 {
278 if (p_cb->provider_name[0] )
279 {
280 result &= SDP_AddAttribute(p_cb->sdp_handle,
281 (UINT16)ATTR_ID_PROVIDER_NAME,
282 (UINT8)TEXT_STR_DESC_TYPE,
283 (UINT32)(strlen(p_cb->provider_name) + 1),
284 (UINT8 *)p_cb->provider_name);
285 } /* end of setting optional provider name */
286 }
287
288 /* add supported feture list */
289
290 if (result)
291 {
292 cnt=0;
293 for (i=1; i<= p_cb->sup_feature.num_of_mdeps; i++)
294 {
295 mdep_id = (UINT8)p_cb->sup_feature.mdep[i].mdep_id;
296 mdep_role = (UINT8)p_cb->sup_feature.mdep[i].mdep_cfg.mdep_role;
297
298 for (j=0; j<p_cb->sup_feature.mdep[i].mdep_cfg.num_of_mdep_data_types; j++)
299 {
300 sup_feature_list.list_elem[cnt].mdep_id = mdep_id;
301 sup_feature_list.list_elem[cnt].mdep_role = mdep_role;
302 sup_feature_list.list_elem[cnt].data_type = p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].data_type;
303 if (p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp[0] != '\0')
304 {
305 sup_feature_list.list_elem[cnt].p_mdep_desp = p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp;
306 }
307 else
308 {
309 sup_feature_list.list_elem[cnt].p_mdep_desp = NULL;
310 }
311
312 cnt++;
313 if (cnt>BTA_HL_NUM_SUP_FEATURE_ELEMS)
314 {
315 result = FALSE;
316 break;
317 }
318 }
319 }
320 sup_feature_list.num_elems = cnt;
321 result &= bta_hl_add_sup_feature_list (p_cb->sdp_handle,
322 sup_feature_list.num_elems,
323 sup_feature_list.list_elem);
324 }
325 if (result)
326 {
327 result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_DATA_EXCH_SPEC, UINT_DESC_TYPE,
328 (UINT32)1, (UINT8*)&data_exchange_spec);
329 }
330
331 if (result)
332 {
333
334 result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_MCAP_SUP_PROC, UINT_DESC_TYPE,
335 (UINT32)1, (UINT8*)&mcap_sup_proc);
336 }
337
338 if (result)
339 {
340 result &= SDP_AddUuidSequence(p_cb->sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, browse_list);
341 }
342
343 if (result)
344 {
345 for(i=0; i < num_services; i++)
346 {
347 bta_sys_add_uuid(svc_class_id_list[i]);
348 APPL_TRACE_DEBUG2("dbg bta_sys_add_uuid i=%d uuid=0x%x", i, svc_class_id_list[i]); //todo
349 }
350 }
351 else
352 {
353 if (p_cb->sdp_handle)
354 {
355 SDP_DeleteRecord(p_cb->sdp_handle);
356 p_cb->sdp_handle = 0;
357 }
358 status = BTA_HL_STATUS_SDP_FAIL;
359 }
360 #if BTA_HL_DEBUG == TRUE
361 APPL_TRACE_DEBUG1("bta_hl_sdp_register status=%s", bta_hl_status_code(status));
362 #endif
363 return status;
364 }
365
366 /*******************************************************************************
367 **
368 ** Function bta_hl_find_sink_or_src_srv_class_in_db
369 **
370 ** Description This function queries an SDP database for either a HDP Sink or
371 ** Source service class ID.
372 ** If the p_start_rec pointer is NULL, it looks from the beginning
373 ** of the database, else it continues from the next record after
374 ** p_start_rec.
375 **
376 ** Returns Pointer to record containing service class, or NULL
377 **
378 *******************************************************************************/
bta_hl_find_sink_or_src_srv_class_in_db(const tSDP_DISCOVERY_DB * p_db,const tSDP_DISC_REC * p_start_rec)379 tSDP_DISC_REC *bta_hl_find_sink_or_src_srv_class_in_db (const tSDP_DISCOVERY_DB *p_db,
380 const tSDP_DISC_REC *p_start_rec)
381 {
382 #if SDP_CLIENT_ENABLED == TRUE
383 tSDP_DISC_REC *p_rec;
384 tSDP_DISC_ATTR *p_attr, *p_sattr;
385
386 /* Must have a valid database */
387 if (p_db == NULL)
388 return(NULL);
389
390
391 if (!p_start_rec)
392 {
393
394 p_rec = p_db->p_first_rec;
395 }
396 else
397 {
398 p_rec = p_start_rec->p_next_rec;
399 }
400
401 while (p_rec)
402 {
403 p_attr = p_rec->p_first_attr;
404 while (p_attr)
405 {
406 if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST)
407 && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE))
408 {
409 for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr)
410 {
411 if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE)
412 && (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2)
413 && ( (p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SINK) ||
414 (p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SOURCE)) )
415 {
416 return(p_rec);
417 }
418 }
419 break;
420 }
421
422 p_attr = p_attr->p_next_attr;
423 }
424
425 p_rec = p_rec->p_next_rec;
426 }
427 #endif
428 /* If here, no matching UUID found */
429
430 #if BTA_HL_DEBUG == TRUE
431 APPL_TRACE_DEBUG0("bta_hl_find_sink_or_src_srv_class_in_db failed");
432 #endif
433
434 return(NULL);
435 }
436 #endif /* HL_INCLUDED */
437