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      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 *******************************************************************************/
     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 *******************************************************************************/
     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 **  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 *****************************************************************************/
    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 *******************************************************************************/
    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