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*******************************************************************************/
38BOOLEAN 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*******************************************************************************/
95int 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*******************************************************************************/
144BOOLEAN 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*****************************************************************************/
175tBTA_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*******************************************************************************/
379tSDP_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