| /****************************************************************************** |
| * |
| * Copyright 1999-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * this file contains SDP interface functions |
| * |
| ******************************************************************************/ |
| |
| #include "stack/include/sdp_api.h" |
| |
| #include <string.h> |
| |
| #include <cstdint> |
| |
| #include "bt_target.h" |
| #include "osi/include/osi.h" // PTR_TO_UINT |
| #include "stack/include/bt_types.h" |
| #include "stack/sdp/sdpint.h" |
| #include "types/bluetooth/uuid.h" |
| #include "types/raw_address.h" |
| |
| using bluetooth::Uuid; |
| |
| /********************************************************************** |
| * C L I E N T F U N C T I O N P R O T O T Y P E S * |
| **********************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Function SDP_InitDiscoveryDb |
| * |
| * Description This function is called to initialize a discovery database. |
| * |
| * Parameters: p_db - (input) address of an area of memory where the |
| * discovery database is managed. |
| * len - (input) size (in bytes) of the memory |
| * NOTE: This must be larger than |
| * sizeof(tSDP_DISCOVERY_DB) |
| * num_uuid - (input) number of UUID filters applied |
| * p_uuid_list - (input) list of UUID filters |
| * num_attr - (input) number of attribute filters applied |
| * p_attr_list - (input) list of attribute filters |
| * |
| * |
| * Returns bool |
| * true if successful |
| * false if one or more parameters are bad |
| * |
| ******************************************************************************/ |
| bool SDP_InitDiscoveryDb(tSDP_DISCOVERY_DB* p_db, uint32_t len, |
| uint16_t num_uuid, const Uuid* p_uuid_list, |
| uint16_t num_attr, const uint16_t* p_attr_list) { |
| uint16_t xx; |
| |
| /* verify the parameters */ |
| if (p_db == NULL || (sizeof(tSDP_DISCOVERY_DB) > len) || |
| num_attr > SDP_MAX_ATTR_FILTERS || num_uuid > SDP_MAX_UUID_FILTERS) { |
| SDP_TRACE_ERROR( |
| "SDP_InitDiscoveryDb Illegal param: p_db 0x%x, len %d, num_uuid %d, " |
| "num_attr %d", |
| PTR_TO_UINT(p_db), len, num_uuid, num_attr); |
| |
| return (false); |
| } |
| |
| memset(p_db, 0, (size_t)len); |
| |
| p_db->mem_size = len - sizeof(tSDP_DISCOVERY_DB); |
| p_db->mem_free = p_db->mem_size; |
| p_db->p_first_rec = NULL; |
| p_db->p_free_mem = (uint8_t*)(p_db + 1); |
| |
| for (xx = 0; xx < num_uuid; xx++) p_db->uuid_filters[xx] = *p_uuid_list++; |
| |
| p_db->num_uuid_filters = num_uuid; |
| |
| for (xx = 0; xx < num_attr; xx++) p_db->attr_filters[xx] = *p_attr_list++; |
| |
| /* sort attributes */ |
| sdpu_sort_attr_list(num_attr, p_db); |
| |
| p_db->num_attr_filters = num_attr; |
| return (true); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_CancelServiceSearch |
| * |
| * Description This function cancels an active query to an SDP server. |
| * |
| * Returns true if discovery cancelled, false if a matching activity is |
| * not found. |
| * |
| ******************************************************************************/ |
| bool SDP_CancelServiceSearch(const tSDP_DISCOVERY_DB* p_db) { |
| tCONN_CB* p_ccb = sdpu_find_ccb_by_db(p_db); |
| if (!p_ccb) return (false); |
| |
| sdp_disconnect(p_ccb, SDP_CANCEL); |
| p_ccb->disc_state = SDP_DISC_WAIT_CANCEL; |
| return (true); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_ServiceSearchRequest |
| * |
| * Description This function queries an SDP server for information. |
| * |
| * Returns true if discovery started, false if failed. |
| * |
| ******************************************************************************/ |
| bool SDP_ServiceSearchRequest(const RawAddress& p_bd_addr, |
| tSDP_DISCOVERY_DB* p_db, |
| tSDP_DISC_CMPL_CB* p_cb) { |
| tCONN_CB* p_ccb; |
| |
| /* Specific BD address */ |
| p_ccb = sdp_conn_originate(p_bd_addr); |
| |
| if (!p_ccb) return (false); |
| |
| p_ccb->disc_state = SDP_DISC_WAIT_CONN; |
| p_ccb->p_db = p_db; |
| p_ccb->p_cb = p_cb; |
| |
| return (true); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_ServiceSearchAttributeRequest |
| * |
| * Description This function queries an SDP server for information. |
| * |
| * The difference between this API function and the function |
| * SDP_ServiceSearchRequest is that this one does a |
| * combined ServiceSearchAttributeRequest SDP function. |
| * (This is for Unplug Testing) |
| * |
| * Returns true if discovery started, false if failed. |
| * |
| ******************************************************************************/ |
| bool SDP_ServiceSearchAttributeRequest(const RawAddress& p_bd_addr, |
| tSDP_DISCOVERY_DB* p_db, |
| tSDP_DISC_CMPL_CB* p_cb) { |
| tCONN_CB* p_ccb; |
| |
| /* Specific BD address */ |
| p_ccb = sdp_conn_originate(p_bd_addr); |
| |
| if (!p_ccb) return (false); |
| |
| p_ccb->disc_state = SDP_DISC_WAIT_CONN; |
| p_ccb->p_db = p_db; |
| p_ccb->p_cb = p_cb; |
| |
| p_ccb->is_attr_search = true; |
| |
| return (true); |
| } |
| /******************************************************************************* |
| * |
| * Function SDP_ServiceSearchAttributeRequest2 |
| * |
| * Description This function queries an SDP server for information. |
| * |
| * The difference between this API function and the function |
| * SDP_ServiceSearchRequest is that this one does a |
| * combined ServiceSearchAttributeRequest SDP function. |
| * (This is for Unplug Testing) |
| * |
| * Returns true if discovery started, false if failed. |
| * |
| ******************************************************************************/ |
| bool SDP_ServiceSearchAttributeRequest2(const RawAddress& p_bd_addr, |
| tSDP_DISCOVERY_DB* p_db, |
| tSDP_DISC_CMPL_CB2* p_cb2, |
| const void* user_data) { |
| tCONN_CB* p_ccb; |
| |
| /* Specific BD address */ |
| p_ccb = sdp_conn_originate(p_bd_addr); |
| |
| if (!p_ccb) return (false); |
| |
| p_ccb->disc_state = SDP_DISC_WAIT_CONN; |
| p_ccb->p_db = p_db; |
| p_ccb->p_cb2 = p_cb2; |
| |
| p_ccb->is_attr_search = true; |
| p_ccb->user_data = user_data; |
| |
| return (true); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindAttributeInRec |
| * |
| * Description This function searches an SDP discovery record for a |
| * specific attribute. |
| * |
| * Returns Pointer to matching attribute entry, or NULL |
| * |
| ******************************************************************************/ |
| tSDP_DISC_ATTR* SDP_FindAttributeInRec(const tSDP_DISC_REC* p_rec, |
| uint16_t attr_id) { |
| tSDP_DISC_ATTR* p_attr; |
| |
| p_attr = p_rec->p_first_attr; |
| while (p_attr) { |
| if (p_attr->attr_id == attr_id) return (p_attr); |
| |
| p_attr = p_attr->p_next_attr; |
| } |
| |
| /* If here, no matching attribute found */ |
| return (NULL); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindServiceUUIDInRec |
| * |
| * Description This function is called to read the service UUID within a |
| * record if there is any. |
| * |
| * Parameters: p_rec - pointer to a SDP record. |
| * p_uuid - output parameter to save the UUID found. |
| * |
| * Returns true if found, otherwise false. |
| * |
| ******************************************************************************/ |
| bool SDP_FindServiceUUIDInRec(const tSDP_DISC_REC* p_rec, Uuid* p_uuid) { |
| tSDP_DISC_ATTR *p_attr, *p_sattr, *p_extra_sattr; |
| |
| p_attr = p_rec->p_first_attr; |
| |
| while (p_attr) { |
| if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && |
| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { |
| for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; |
| p_sattr = p_sattr->p_next_attr) { |
| if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) { |
| if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == Uuid::kNumBytes16) { |
| *p_uuid = Uuid::From16Bit(p_sattr->attr_value.v.u16); |
| } else if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == |
| Uuid::kNumBytes128) { |
| *p_uuid = Uuid::From128BitBE(p_sattr->attr_value.v.array); |
| } else if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == |
| Uuid::kNumBytes32) { |
| *p_uuid = Uuid::From32Bit(p_sattr->attr_value.v.u32); |
| } |
| |
| return (true); |
| } |
| |
| /* Checking for Toyota G Block Car Kit: |
| ** This car kit puts an extra data element sequence |
| ** where the UUID is suppose to be!!! |
| */ |
| else { |
| if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == |
| DATA_ELE_SEQ_DESC_TYPE) { |
| /* Look through data element sequence until no more UUIDs */ |
| for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; |
| p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) { |
| /* Increment past this to see if the next attribut is UUID */ |
| if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == |
| UUID_DESC_TYPE) |
| /* only support 16 bits UUID for now */ |
| && (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2)) { |
| *p_uuid = Uuid::From16Bit(p_extra_sattr->attr_value.v.u16); |
| return (true); |
| } |
| } |
| } |
| } |
| } |
| break; |
| } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { |
| if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) |
| /* only support 16 bits UUID for now */ |
| && (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 2)) { |
| *p_uuid = Uuid::From16Bit(p_attr->attr_value.v.u16); |
| return (true); |
| } |
| } |
| p_attr = p_attr->p_next_attr; |
| } |
| return false; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindServiceUUIDInRec_128bit |
| * |
| * Description This function is called to read the 128-bit service UUID |
| * within a record if there is any. |
| * |
| * Parameters: p_rec - pointer to a SDP record. |
| * p_uuid - output parameter to save the UUID found. |
| * |
| * Returns true if found, otherwise false. |
| * |
| ******************************************************************************/ |
| bool SDP_FindServiceUUIDInRec_128bit(const tSDP_DISC_REC* p_rec, Uuid* p_uuid) { |
| tSDP_DISC_ATTR* p_attr = p_rec->p_first_attr; |
| while (p_attr) { |
| if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && |
| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { |
| tSDP_DISC_ATTR* p_sattr = p_attr->attr_value.v.p_sub_attr; |
| while (p_sattr) { |
| if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) { |
| /* only support 128 bits UUID for now */ |
| if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 16) { |
| *p_uuid = Uuid::From128BitBE(p_sattr->attr_value.v.array); |
| } |
| return (true); |
| } |
| |
| p_sattr = p_sattr->p_next_attr; |
| } |
| break; |
| } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { |
| if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) |
| /* only support 128 bits UUID for now */ |
| && (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 16)) { |
| *p_uuid = Uuid::From128BitBE(p_attr->attr_value.v.array); |
| return (true); |
| } |
| } |
| p_attr = p_attr->p_next_attr; |
| } |
| return false; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindServiceInDb |
| * |
| * Description This function queries an SDP database for a specific |
| * service. If the p_start_rec pointer is NULL, it looks from |
| * the beginning of the database, else it continues from the |
| * next record after p_start_rec. |
| * |
| * Returns Pointer to record containing service class, or NULL |
| * |
| ******************************************************************************/ |
| tSDP_DISC_REC* SDP_FindServiceInDb(const tSDP_DISCOVERY_DB* p_db, |
| uint16_t service_uuid, |
| tSDP_DISC_REC* p_start_rec) { |
| tSDP_DISC_REC* p_rec; |
| tSDP_DISC_ATTR *p_attr, *p_sattr, *p_extra_sattr; |
| |
| /* Must have a valid database */ |
| if (p_db == NULL) return (NULL); |
| |
| if (!p_start_rec) |
| p_rec = p_db->p_first_rec; |
| else |
| p_rec = p_start_rec->p_next_rec; |
| |
| while (p_rec) { |
| p_attr = p_rec->p_first_attr; |
| while (p_attr) { |
| if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && |
| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == |
| DATA_ELE_SEQ_DESC_TYPE)) { |
| for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; |
| p_sattr = p_sattr->p_next_attr) { |
| if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2)) { |
| SDP_TRACE_DEBUG( |
| "SDP_FindServiceInDb - p_sattr value = 0x%x serviceuuid = 0x%x", |
| p_sattr->attr_value.v.u16, service_uuid); |
| if (service_uuid == UUID_SERVCLASS_HDP_PROFILE) { |
| if ((p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SOURCE) || |
| (p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SINK)) { |
| SDP_TRACE_DEBUG( |
| "SDP_FindServiceInDb found HDP source or sink\n"); |
| return (p_rec); |
| } |
| } |
| } |
| |
| if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE && |
| (service_uuid == 0 || |
| (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2 && |
| p_sattr->attr_value.v.u16 == service_uuid))) |
| /* for a specific uuid, or any one */ |
| { |
| return (p_rec); |
| } |
| |
| /* Checking for Toyota G Block Car Kit: |
| ** This car kit puts an extra data element sequence |
| ** where the UUID is suppose to be!!! |
| */ |
| else { |
| if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == |
| DATA_ELE_SEQ_DESC_TYPE) { |
| /* Look through data element sequence until no more UUIDs */ |
| for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; |
| p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) { |
| /* Increment past this to see if the next attribut is UUID */ |
| if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == |
| UUID_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2) |
| /* for a specific uuid, or any one */ |
| && ((p_extra_sattr->attr_value.v.u16 == service_uuid) || |
| (service_uuid == 0))) { |
| return (p_rec); |
| } |
| } |
| } |
| } |
| } |
| break; |
| } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { |
| if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 2) |
| /* find a specific UUID or anyone */ |
| && |
| ((p_attr->attr_value.v.u16 == service_uuid) || service_uuid == 0)) |
| return (p_rec); |
| } |
| |
| p_attr = p_attr->p_next_attr; |
| } |
| |
| p_rec = p_rec->p_next_rec; |
| } |
| /* If here, no matching UUID found */ |
| return (NULL); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindServiceInDb_128bit |
| * |
| * Description Query an SDP database for a specific service. If the |
| * p_start_rec pointer is NULL, it looks from the beginning of |
| * the database, else it continues from the next record after |
| * p_start_rec. |
| * |
| * This function is kept separate from SDP_FindServiceInDb |
| * since that API is expected to return only 16-bit UUIDs |
| * |
| * Returns Pointer to record containing service class, or NULL |
| * |
| ******************************************************************************/ |
| tSDP_DISC_REC* SDP_FindServiceInDb_128bit(const tSDP_DISCOVERY_DB* p_db, |
| tSDP_DISC_REC* p_start_rec) { |
| tSDP_DISC_REC* p_rec; |
| tSDP_DISC_ATTR *p_attr, *p_sattr; |
| |
| /* Must have a valid database */ |
| if (p_db == NULL) return (NULL); |
| |
| if (!p_start_rec) |
| p_rec = p_db->p_first_rec; |
| else |
| p_rec = p_start_rec->p_next_rec; |
| |
| while (p_rec) { |
| p_attr = p_rec->p_first_attr; |
| while (p_attr) { |
| if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && |
| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == |
| DATA_ELE_SEQ_DESC_TYPE)) { |
| for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; |
| p_sattr = p_sattr->p_next_attr) { |
| if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 16)) { |
| return (p_rec); |
| } |
| } |
| break; |
| } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { |
| if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 16)) |
| return (p_rec); |
| } |
| |
| p_attr = p_attr->p_next_attr; |
| } |
| |
| p_rec = p_rec->p_next_rec; |
| } |
| /* If here, no matching UUID found */ |
| return (NULL); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindServiceUUIDInDb |
| * |
| * Description Query an SDP database for a specific service. If the |
| * p_start_rec pointer is NULL, it looks from the beginning of |
| * the database, else it continues from the next record after |
| * p_start_rec. |
| * |
| * NOTE the only difference between this function and the previous |
| * function "SDP_FindServiceInDb()" is that this function takes |
| * a Uuid input |
| * |
| * Returns Pointer to record containing service class, or NULL |
| * |
| ******************************************************************************/ |
| tSDP_DISC_REC* SDP_FindServiceUUIDInDb(const tSDP_DISCOVERY_DB* p_db, |
| const Uuid& uuid, |
| tSDP_DISC_REC* p_start_rec) { |
| tSDP_DISC_REC* p_rec; |
| tSDP_DISC_ATTR *p_attr, *p_sattr; |
| |
| /* Must have a valid database */ |
| if (p_db == NULL) return (NULL); |
| |
| if (!p_start_rec) |
| p_rec = p_db->p_first_rec; |
| else |
| p_rec = p_start_rec->p_next_rec; |
| |
| while (p_rec) { |
| p_attr = p_rec->p_first_attr; |
| while (p_attr) { |
| if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && |
| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == |
| DATA_ELE_SEQ_DESC_TYPE)) { |
| for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; |
| p_sattr = p_sattr->p_next_attr) { |
| if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) { |
| if (sdpu_compare_uuid_with_attr(uuid, p_sattr)) return (p_rec); |
| } |
| } |
| break; |
| } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { |
| if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) { |
| if (sdpu_compare_uuid_with_attr(uuid, p_attr)) return (p_rec); |
| } |
| } |
| |
| p_attr = p_attr->p_next_attr; |
| } |
| |
| p_rec = p_rec->p_next_rec; |
| } |
| /* If here, no matching UUID found */ |
| return (NULL); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function sdp_fill_proto_elem |
| * |
| * Description This function retrieves the protocol element. |
| * |
| * Returns true if found, false if not |
| * If found, the passed protocol list element is filled in. |
| * |
| ******************************************************************************/ |
| static bool sdp_fill_proto_elem(const tSDP_DISC_ATTR* p_attr, |
| uint16_t layer_uuid, |
| tSDP_PROTOCOL_ELEM* p_elem) { |
| tSDP_DISC_ATTR* p_sattr; |
| |
| /* Walk through the protocol descriptor list */ |
| for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr; |
| p_attr = p_attr->p_next_attr) { |
| /* Safety check - each entry should itself be a sequence */ |
| if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE) |
| return (false); |
| |
| /* Now, see if the entry contains the layer we are interested in */ |
| for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; |
| p_sattr = p_sattr->p_next_attr) { |
| /* SDP_TRACE_DEBUG ("SDP - p_sattr 0x%x, layer_uuid:0x%x, u16:0x%x####", |
| p_sattr, layer_uuid, p_sattr->attr_value.v.u16); */ |
| |
| if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) && |
| (p_sattr->attr_value.v.u16 == layer_uuid)) { |
| /* Bingo. Now fill in the passed element */ |
| p_elem->protocol_uuid = layer_uuid; |
| p_elem->num_params = 0; |
| |
| /* Store the parameters, if any */ |
| for (p_sattr = p_sattr->p_next_attr; p_sattr; |
| p_sattr = p_sattr->p_next_attr) { |
| if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) != UINT_DESC_TYPE) |
| break; |
| |
| if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) |
| p_elem->params[p_elem->num_params++] = p_sattr->attr_value.v.u16; |
| else |
| p_elem->params[p_elem->num_params++] = p_sattr->attr_value.v.u8; |
| |
| if (p_elem->num_params >= SDP_MAX_PROTOCOL_PARAMS) break; |
| } |
| return (true); |
| } |
| } |
| } |
| |
| return (false); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindProtocolListElemInRec |
| * |
| * Description This function looks at a specific discovery record for a |
| * protocol list element. |
| * |
| * Returns true if found, false if not |
| * If found, the passed protocol list element is filled in. |
| * |
| ******************************************************************************/ |
| bool SDP_FindProtocolListElemInRec(const tSDP_DISC_REC* p_rec, |
| uint16_t layer_uuid, |
| tSDP_PROTOCOL_ELEM* p_elem) { |
| tSDP_DISC_ATTR* p_attr; |
| |
| p_attr = p_rec->p_first_attr; |
| while (p_attr) { |
| /* Find the protocol descriptor list */ |
| if ((p_attr->attr_id == ATTR_ID_PROTOCOL_DESC_LIST) && |
| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { |
| return sdp_fill_proto_elem(p_attr, layer_uuid, p_elem); |
| } |
| p_attr = p_attr->p_next_attr; |
| } |
| /* If here, no match found */ |
| return (false); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_FindProfileVersionInRec |
| * |
| * Description This function looks at a specific discovery record for the |
| * Profile list descriptor, and pulls out the version number. |
| * The version number consists of an 8-bit major version and |
| * an 8-bit minor version. |
| * |
| * Returns true if found, false if not |
| * If found, the major and minor version numbers that were |
| * passed in are filled in. |
| * |
| ******************************************************************************/ |
| bool SDP_FindProfileVersionInRec(const tSDP_DISC_REC* p_rec, |
| uint16_t profile_uuid, uint16_t* p_version) { |
| tSDP_DISC_ATTR *p_attr, *p_sattr; |
| |
| p_attr = p_rec->p_first_attr; |
| while (p_attr) { |
| /* Find the profile descriptor list */ |
| if ((p_attr->attr_id == ATTR_ID_BT_PROFILE_DESC_LIST) && |
| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { |
| /* Walk through the protocol descriptor list */ |
| for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr; |
| p_attr = p_attr->p_next_attr) { |
| /* Safety check - each entry should itself be a sequence */ |
| if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE) |
| return (false); |
| |
| /* Now, see if the entry contains the profile UUID we are interested in |
| */ |
| for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; |
| p_sattr = p_sattr->p_next_attr) { |
| if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == |
| 2) /* <- This is bytes, not size code! */ |
| && (p_sattr->attr_value.v.u16 == profile_uuid)) { |
| /* Now fill in the major and minor numbers */ |
| /* if the attribute matches the description for version (type UINT, |
| * size 2 bytes) */ |
| p_sattr = p_sattr->p_next_attr; |
| |
| if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == |
| UINT_DESC_TYPE) && |
| (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2)) { |
| /* The high order 8 bits is the major number, low order is the |
| * minor number (big endian) */ |
| *p_version = p_sattr->attr_value.v.u16; |
| |
| return (true); |
| } else |
| return (false); /* The type and/or size was not valid for the |
| profile list version */ |
| } |
| } |
| } |
| |
| return (false); |
| } |
| p_attr = p_attr->p_next_attr; |
| } |
| |
| /* If here, no match found */ |
| return (false); |
| } |
| |
| /******************************************************************************* |
| * Device Identification (DI) Client Functions |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Function SDP_DiDiscover |
| * |
| * Description This function queries a remote device for DI information. |
| * |
| * Returns SDP_SUCCESS if query started successfully, else error |
| * |
| ******************************************************************************/ |
| tSDP_STATUS SDP_DiDiscover(const RawAddress& remote_device, |
| tSDP_DISCOVERY_DB* p_db, uint32_t len, |
| tSDP_DISC_CMPL_CB* p_cb) { |
| tSDP_STATUS result = SDP_DI_DISC_FAILED; |
| uint16_t num_uuids = 1; |
| uint16_t di_uuid = UUID_SERVCLASS_PNP_INFORMATION; |
| |
| /* build uuid for db init */ |
| Uuid init_uuid = Uuid::From16Bit(di_uuid); |
| |
| if (SDP_InitDiscoveryDb(p_db, len, num_uuids, &init_uuid, 0, NULL)) |
| if (SDP_ServiceSearchRequest(remote_device, p_db, p_cb)) |
| result = SDP_SUCCESS; |
| |
| return result; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_GetNumDiRecords |
| * |
| * Description Searches specified database for DI records |
| * |
| * Returns number of DI records found |
| * |
| ******************************************************************************/ |
| uint8_t SDP_GetNumDiRecords(const tSDP_DISCOVERY_DB* p_db) { |
| uint8_t num_records = 0; |
| tSDP_DISC_REC* p_curr_record = NULL; |
| |
| do { |
| p_curr_record = SDP_FindServiceInDb(p_db, UUID_SERVCLASS_PNP_INFORMATION, |
| p_curr_record); |
| if (p_curr_record) num_records++; |
| } while (p_curr_record); |
| |
| return num_records; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_AttrStringCopy |
| * |
| * Description This function copy given attribute to specified buffer as a |
| * string |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| static void SDP_AttrStringCopy(char* dst, const tSDP_DISC_ATTR* p_attr, |
| uint16_t dst_size) { |
| if (dst == NULL) return; |
| if (p_attr) { |
| uint16_t len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type); |
| if (len > dst_size - 1) { |
| len = dst_size - 1; |
| } |
| memcpy(dst, (const void*)p_attr->attr_value.v.array, len); |
| dst[len] = '\0'; |
| } else { |
| dst[0] = '\0'; |
| } |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_GetDiRecord |
| * |
| * Description This function retrieves a remote device's DI record from |
| * the specified database. |
| * |
| * Returns SDP_SUCCESS if record retrieved, else error |
| * |
| ******************************************************************************/ |
| uint16_t SDP_GetDiRecord(uint8_t get_record_index, |
| tSDP_DI_GET_RECORD* p_device_info, |
| const tSDP_DISCOVERY_DB* p_db) { |
| uint16_t result = SDP_NO_DI_RECORD_FOUND; |
| uint8_t curr_record_index = 1; |
| |
| tSDP_DISC_REC* p_curr_record = NULL; |
| |
| /* find the requested SDP record in the discovery database */ |
| do { |
| p_curr_record = SDP_FindServiceInDb(p_db, UUID_SERVCLASS_PNP_INFORMATION, |
| p_curr_record); |
| if (p_curr_record) { |
| if (curr_record_index++ == get_record_index) { |
| result = SDP_SUCCESS; |
| break; |
| } |
| } |
| } while (p_curr_record); |
| |
| if (result == SDP_SUCCESS) { |
| /* copy the information from the SDP record to the DI record */ |
| tSDP_DISC_ATTR* p_curr_attr = NULL; |
| |
| /* ClientExecutableURL is optional */ |
| p_curr_attr = SDP_FindAttributeInRec(p_curr_record, ATTR_ID_CLIENT_EXE_URL); |
| SDP_AttrStringCopy(p_device_info->rec.client_executable_url, p_curr_attr, |
| SDP_MAX_ATTR_LEN); |
| |
| /* Service Description is optional */ |
| p_curr_attr = |
| SDP_FindAttributeInRec(p_curr_record, ATTR_ID_SERVICE_DESCRIPTION); |
| SDP_AttrStringCopy(p_device_info->rec.service_description, p_curr_attr, |
| SDP_MAX_ATTR_LEN); |
| |
| /* DocumentationURL is optional */ |
| p_curr_attr = |
| SDP_FindAttributeInRec(p_curr_record, ATTR_ID_DOCUMENTATION_URL); |
| SDP_AttrStringCopy(p_device_info->rec.documentation_url, p_curr_attr, |
| SDP_MAX_ATTR_LEN); |
| |
| p_curr_attr = |
| SDP_FindAttributeInRec(p_curr_record, ATTR_ID_SPECIFICATION_ID); |
| if (p_curr_attr) |
| p_device_info->spec_id = p_curr_attr->attr_value.v.u16; |
| else |
| result = SDP_ERR_ATTR_NOT_PRESENT; |
| |
| p_curr_attr = SDP_FindAttributeInRec(p_curr_record, ATTR_ID_VENDOR_ID); |
| if (p_curr_attr) |
| p_device_info->rec.vendor = p_curr_attr->attr_value.v.u16; |
| else |
| result = SDP_ERR_ATTR_NOT_PRESENT; |
| |
| p_curr_attr = |
| SDP_FindAttributeInRec(p_curr_record, ATTR_ID_VENDOR_ID_SOURCE); |
| if (p_curr_attr) |
| p_device_info->rec.vendor_id_source = p_curr_attr->attr_value.v.u16; |
| else |
| result = SDP_ERR_ATTR_NOT_PRESENT; |
| |
| p_curr_attr = SDP_FindAttributeInRec(p_curr_record, ATTR_ID_PRODUCT_ID); |
| if (p_curr_attr) |
| p_device_info->rec.product = p_curr_attr->attr_value.v.u16; |
| else |
| result = SDP_ERR_ATTR_NOT_PRESENT; |
| |
| p_curr_attr = |
| SDP_FindAttributeInRec(p_curr_record, ATTR_ID_PRODUCT_VERSION); |
| if (p_curr_attr) |
| p_device_info->rec.version = p_curr_attr->attr_value.v.u16; |
| else |
| result = SDP_ERR_ATTR_NOT_PRESENT; |
| |
| p_curr_attr = SDP_FindAttributeInRec(p_curr_record, ATTR_ID_PRIMARY_RECORD); |
| if (p_curr_attr) |
| p_device_info->rec.primary_record = (bool)p_curr_attr->attr_value.v.u8; |
| else |
| result = SDP_ERR_ATTR_NOT_PRESENT; |
| } |
| |
| return result; |
| } |
| |
| /******************************************************************************* |
| * Device Identification (DI) Server Functions |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * |
| * Function SDP_SetLocalDiRecord |
| * |
| * Description This function adds a DI record to the local SDP database. |
| * |
| * |
| * |
| * Returns Returns SDP_SUCCESS if record added successfully, else error |
| * |
| ******************************************************************************/ |
| uint16_t SDP_SetLocalDiRecord(const tSDP_DI_RECORD* p_device_info, |
| uint32_t* p_handle) { |
| uint16_t result = SDP_SUCCESS; |
| uint32_t handle; |
| uint16_t di_uuid = UUID_SERVCLASS_PNP_INFORMATION; |
| uint16_t di_specid = BLUETOOTH_DI_SPECIFICATION; |
| uint8_t temp_u16[2]; |
| uint8_t* p_temp; |
| uint8_t u8; |
| |
| *p_handle = 0; |
| if (p_device_info == NULL) return SDP_ILLEGAL_PARAMETER; |
| |
| /* if record is to be primary record, get handle to replace old primary */ |
| if (p_device_info->primary_record && sdp_cb.server_db.di_primary_handle) |
| handle = sdp_cb.server_db.di_primary_handle; |
| else { |
| handle = SDP_CreateRecord(); |
| if (handle == 0) return SDP_NO_RESOURCES; |
| } |
| |
| *p_handle = handle; |
| |
| /* build the SDP entry */ |
| /* Add the UUID to the Service Class ID List */ |
| if (!(SDP_AddServiceClassIdList(handle, 1, &di_uuid))) |
| result = SDP_DI_REG_FAILED; |
| |
| /* mandatory */ |
| if (result == SDP_SUCCESS) { |
| p_temp = temp_u16; |
| UINT16_TO_BE_STREAM(p_temp, di_specid); |
| if (!(SDP_AddAttribute(handle, ATTR_ID_SPECIFICATION_ID, UINT_DESC_TYPE, |
| sizeof(di_specid), temp_u16))) |
| result = SDP_DI_REG_FAILED; |
| } |
| |
| /* optional - if string is null, do not add attribute */ |
| if (result == SDP_SUCCESS) { |
| if (p_device_info->client_executable_url[0] != '\0') { |
| if (!((strlen(p_device_info->client_executable_url) + 1 <= |
| SDP_MAX_ATTR_LEN) && |
| SDP_AddAttribute( |
| handle, ATTR_ID_CLIENT_EXE_URL, URL_DESC_TYPE, |
| (uint32_t)(strlen(p_device_info->client_executable_url) + 1), |
| (uint8_t*)p_device_info->client_executable_url))) |
| result = SDP_DI_REG_FAILED; |
| } |
| } |
| |
| /* optional - if string is null, do not add attribute */ |
| if (result == SDP_SUCCESS) { |
| if (p_device_info->service_description[0] != '\0') { |
| if (!((strlen(p_device_info->service_description) + 1 <= |
| SDP_MAX_ATTR_LEN) && |
| SDP_AddAttribute( |
| handle, ATTR_ID_SERVICE_DESCRIPTION, TEXT_STR_DESC_TYPE, |
| (uint32_t)(strlen(p_device_info->service_description) + 1), |
| (uint8_t*)p_device_info->service_description))) |
| result = SDP_DI_REG_FAILED; |
| } |
| } |
| |
| /* optional - if string is null, do not add attribute */ |
| if (result == SDP_SUCCESS) { |
| if (p_device_info->documentation_url[0] != '\0') { |
| if (!((strlen(p_device_info->documentation_url) + 1 <= |
| SDP_MAX_ATTR_LEN) && |
| SDP_AddAttribute( |
| handle, ATTR_ID_DOCUMENTATION_URL, URL_DESC_TYPE, |
| (uint32_t)(strlen(p_device_info->documentation_url) + 1), |
| (uint8_t*)p_device_info->documentation_url))) |
| result = SDP_DI_REG_FAILED; |
| } |
| } |
| |
| /* mandatory */ |
| if (result == SDP_SUCCESS) { |
| p_temp = temp_u16; |
| UINT16_TO_BE_STREAM(p_temp, p_device_info->vendor); |
| if (!(SDP_AddAttribute(handle, ATTR_ID_VENDOR_ID, UINT_DESC_TYPE, |
| sizeof(p_device_info->vendor), temp_u16))) |
| result = SDP_DI_REG_FAILED; |
| } |
| |
| /* mandatory */ |
| if (result == SDP_SUCCESS) { |
| p_temp = temp_u16; |
| UINT16_TO_BE_STREAM(p_temp, p_device_info->product); |
| if (!(SDP_AddAttribute(handle, ATTR_ID_PRODUCT_ID, UINT_DESC_TYPE, |
| sizeof(p_device_info->product), temp_u16))) |
| result = SDP_DI_REG_FAILED; |
| } |
| |
| /* mandatory */ |
| if (result == SDP_SUCCESS) { |
| p_temp = temp_u16; |
| UINT16_TO_BE_STREAM(p_temp, p_device_info->version); |
| if (!(SDP_AddAttribute(handle, ATTR_ID_PRODUCT_VERSION, UINT_DESC_TYPE, |
| sizeof(p_device_info->version), temp_u16))) |
| result = SDP_DI_REG_FAILED; |
| } |
| |
| /* mandatory */ |
| if (result == SDP_SUCCESS) { |
| u8 = (uint8_t)p_device_info->primary_record; |
| if (!(SDP_AddAttribute(handle, ATTR_ID_PRIMARY_RECORD, BOOLEAN_DESC_TYPE, 1, |
| &u8))) |
| result = SDP_DI_REG_FAILED; |
| } |
| |
| /* mandatory */ |
| if (result == SDP_SUCCESS) { |
| p_temp = temp_u16; |
| UINT16_TO_BE_STREAM(p_temp, p_device_info->vendor_id_source); |
| if (!(SDP_AddAttribute(handle, ATTR_ID_VENDOR_ID_SOURCE, UINT_DESC_TYPE, |
| sizeof(p_device_info->vendor_id_source), temp_u16))) |
| result = SDP_DI_REG_FAILED; |
| } |
| |
| if (result != SDP_SUCCESS) |
| SDP_DeleteRecord(handle); |
| else if (p_device_info->primary_record) |
| sdp_cb.server_db.di_primary_handle = handle; |
| |
| return result; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function SDP_SetTraceLevel |
| * |
| * Description This function sets the trace level for SDP. If called with |
| * a value of 0xFF, it simply reads the current trace level. |
| * |
| * Returns the new (current) trace level |
| * |
| ******************************************************************************/ |
| uint8_t SDP_SetTraceLevel(uint8_t new_level) { |
| if (new_level != 0xFF) sdp_cb.trace_level = new_level; |
| |
| return (sdp_cb.trace_level); |
| } |
