sdp_server.c (cc643af3292c775e98d0a570c1f9597dc9476e04) sdp_server.c (eb404cdcf0d85ca3e40db207902a8f49ad0a04e1)
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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368static uint16_t sdp_get_size_for_service_search_attribute_response(uint8_t * serviceSearchPattern, uint8_t * attributeIDList){
369 uint16_t total_response_size = 0;
370 btstack_linked_item_t *it;
371 for (it = (btstack_linked_item_t *) sdp_server_service_records; it ; it = it->next){
372 service_record_item_t * item = (service_record_item_t *) it;
373
374 if (!sdp_record_matches_service_search_pattern(item->service_record, serviceSearchPattern)) continue;
375
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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368static uint16_t sdp_get_size_for_service_search_attribute_response(uint8_t * serviceSearchPattern, uint8_t * attributeIDList){
369 uint16_t total_response_size = 0;
370 btstack_linked_item_t *it;
371 for (it = (btstack_linked_item_t *) sdp_server_service_records; it ; it = it->next){
372 service_record_item_t * item = (service_record_item_t *) it;
373
374 if (!sdp_record_matches_service_search_pattern(item->service_record, serviceSearchPattern)) continue;
375
376 // for all service records that match
377 total_response_size += 3 + sdp_get_filtered_size(item->service_record, attributeIDList);
376 // for all service records that match, ignoring empty attribute lists
377 uint16_t filtered_size = sdp_get_filtered_size(item->service_record, attributeIDList);
378 if (filtered_size > 0){
379 total_response_size += 3 + filtered_size;
380 }
378 }
379 return total_response_size;
380}
381
382int sdp_handle_service_search_attribute_request(uint8_t * packet, uint16_t remote_mtu){
383
381 }
382 return total_response_size;
383}
384
385int sdp_handle_service_search_attribute_request(uint8_t * packet, uint16_t remote_mtu){
386
384 // SDP header before attribute sevice list: 7
387 // SDP header before attribute service list: 7
385 // Continuation, worst case: 5
386
387 // get request details
388 uint16_t transaction_id = big_endian_read_16(packet, 1);
389 uint16_t param_len = big_endian_read_16(packet, 3);
390 uint8_t * serviceSearchPattern = &packet[5];
391 uint16_t serviceSearchPatternLen = de_get_len_safe(serviceSearchPattern, param_len);
392 if (sdp_valid_service_search_pattern(serviceSearchPattern) == false){

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451
452 if (current_service_index < continuation_service_index ) continue;
453 if (!sdp_record_matches_service_search_pattern(item->service_record, serviceSearchPattern)) continue;
454
455 if (continuation_offset == 0){
456
457 // get size of this record
458 uint16_t filtered_attributes_size = sdp_get_filtered_size(item->service_record, attributeIDList);
388 // Continuation, worst case: 5
389
390 // get request details
391 uint16_t transaction_id = big_endian_read_16(packet, 1);
392 uint16_t param_len = big_endian_read_16(packet, 3);
393 uint8_t * serviceSearchPattern = &packet[5];
394 uint16_t serviceSearchPatternLen = de_get_len_safe(serviceSearchPattern, param_len);
395 if (sdp_valid_service_search_pattern(serviceSearchPattern) == false){

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454
455 if (current_service_index < continuation_service_index ) continue;
456 if (!sdp_record_matches_service_search_pattern(item->service_record, serviceSearchPattern)) continue;
457
458 if (continuation_offset == 0){
459
460 // get size of this record
461 uint16_t filtered_attributes_size = sdp_get_filtered_size(item->service_record, attributeIDList);
459
462
463 // ignore empty lists
464 if (filtered_attributes_size == 0) continue;
465
460 // stop if complete record doesn't fits into response but we already have a partial response
461 if (((filtered_attributes_size + 3) > maximumAttributeByteCount) && !first_answer) {
462 continuation = 1;
463 break;
464 }
465
466 // store DES
467 de_store_descriptor_with_len(&sdp_response_buffer[pos], DE_DES, DE_SIZE_VAR_16, filtered_attributes_size);

--- 187 unchanged lines hidden --- 		466 // stop if complete record doesn't fits into response but we already have a partial response
467 if (((filtered_attributes_size + 3) > maximumAttributeByteCount) && !first_answer) {
468 continuation = 1;
469 break;
470 }
471
472 // store DES
473 de_store_descriptor_with_len(&sdp_response_buffer[pos], DE_DES, DE_SIZE_VAR_16, filtered_attributes_size);

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