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added spd_get_filtered_size to get sum of attributes matching attribute list

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matthias.ringwald 2011-08-05 20:40:47 +00:00
parent ccf81f4c49
commit eda56fd465
2 changed files with 24 additions and 1 deletions
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3
include/btstack/sdp_util.h
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@ -125,8 +125,9 @@ int de_get_data_size(uint8_t * header);
// MARK: SDP
int sdp_append_attributes_in_attributeIDList(uint8_t *record, uint8_t *attributeIDList, uint16_t startIndex, uint16_t maxBytes, uint8_t *buffer);
uint8_t * sdp_get_attribute_value_for_attribute_id(uint8_t * record, uint16_t attributeID);
uint8_t sdp_set_attribute_value_for_attribute_id(uint8_t * record, uint16_t attributeID, uint32_t value);
uint8_t sdp_set_attribute_value_for_attribute_id(uint8_t * record, uint16_t attributeID, uint32_t value);
int sdp_record_matches_service_search_pattern(uint8_t *record, uint8_t *serviceSearchPattern);
int spd_get_filtered_size(uint8_t *record, uint8_t *attributeIDList);
#if defined __cplusplus
}

22
src/sdp_util.c
View File

@ -348,6 +348,28 @@ int sdp_append_attributes_in_attributeIDList(uint8_t *record, uint8_t *attribute
return -1;
}
// MARK: Get sum of attributes matching attribute list
struct sdp_context_get_filtered_size {
uint8_t *attributeIDList;
uint16_t size;
};
static int sdp_traversal_get_filtered_size(uint16_t attributeID, uint8_t * attributeValue, de_type_t type, de_size_t size, void *my_context){
struct sdp_context_get_filtered_size * context = (struct sdp_context_get_filtered_size *) my_context;
if (sdp_attribute_list_constains_id(context->attributeIDList, attributeID)) {
context->size += size;
}
return 0;
}
int spd_get_filtered_size(uint8_t *record, uint8_t *attributeIDList){
struct sdp_context_get_filtered_size context;
context.size = 0;
context.attributeIDList = attributeIDList;
sdp_attribute_list_traverse_sequence(record, sdp_traversal_get_filtered_size, &context);
return context.size;
}
// MARK: Get AttributeValue for AttributeID
// find attribute (ELEMENT) by ID
struct sdp_context_attribute_by_id {