1 | /*
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2 | * Copyright (C) 2009-2013 by Matthias Ringwald
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3 | *
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4 | * Redistribution and use in source and binary forms, with or without
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5 | * modification, are permitted provided that the following conditions
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6 | * are met:
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7 | *
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the copyright holders nor the names of
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14 | * contributors may be used to endorse or promote products derived
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15 | * from this software without specific prior written permission.
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16 | * 4. Any redistribution, use, or modification is done solely for
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17 | * personal benefit and not for any commercial purpose or for
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18 | * monetary gain.
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19 | *
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20 | * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
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21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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24 | * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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26 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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27 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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28 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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29 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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30 | * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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31 | * SUCH DAMAGE.
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32 | *
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33 | * Please inquire about commercial licensing options at btstack@ringwald.ch
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34 | *
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35 | */
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36 |
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37 | /*
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38 | * sdp_parser.h
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39 | */
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40 |
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41 | #ifndef __SDP_PARSER_H
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42 | #define __SDP_PARSER_H
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43 |
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44 | #include "btstack-config.h"
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45 |
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46 | #include <stdint.h>
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47 | #include <stdio.h>
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48 | #include <stdlib.h>
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49 | #include <string.h>
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50 |
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51 | #include <btstack/sdp_util.h>
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52 | #include <btstack/utils.h>
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53 |
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54 | #if defined __cplusplus
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55 | extern "C" {
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56 | #endif
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57 |
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58 | /* SDP Parser */
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59 |
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60 | // Data Element stream parser helper
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61 | typedef struct de_state {
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62 | uint8_t in_state_GET_DE_HEADER_LENGTH ;
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63 | uint32_t addon_header_bytes;
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64 | uint32_t de_size;
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65 | uint32_t de_offset;
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66 | } de_state_t;
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67 | void de_state_init(de_state_t * state);
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68 | int de_state_size(uint8_t eventByte, de_state_t *de_state);
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69 |
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70 | // SDP Parser
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71 | // Basic SDP Query event type
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72 | typedef struct sdp_query_event {
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73 | uint8_t type;
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74 | } sdp_query_event_t;
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75 |
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76 | // SDP Query event to indicate that query/parser is complete.
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77 | typedef struct sdp_query_complete_event {
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78 | uint8_t type;
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79 | uint8_t status; // 0 == OK
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80 | } sdp_query_complete_event_t;
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81 |
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82 | // SDP Parser event to deliver an attribute value byte by byte
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83 | typedef struct sdp_query_attribute_value_event {
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84 | uint8_t type;
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85 | int record_id;
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86 | uint16_t attribute_id;
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87 | uint32_t attribute_length;
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88 | int data_offset;
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89 | uint8_t data;
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90 | } sdp_query_attribute_value_event_t;
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91 |
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92 |
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93 | #ifdef HAVE_SDP_EXTRA_QUERIES
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94 | typedef struct sdp_query_service_record_handle_event {
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95 | uint8_t type;
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96 | uint16_t total_count;
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97 | uint16_t current_count;
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98 | uint32_t record_handle;
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99 | } sdp_query_service_record_handle_event_t;
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100 | #endif
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101 |
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102 | void sdp_parser_init(void);
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103 | void sdp_parser_handle_chunk(uint8_t * data, uint16_t size);
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104 |
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105 | #ifdef HAVE_SDP_EXTRA_QUERIES
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106 | void sdp_parser_init_service_attribute_search(void);
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107 | void sdp_parser_init_service_search(void);
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108 | void sdp_parser_handle_service_search(uint8_t * data, uint16_t total_count, uint16_t record_handle_count);
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109 | #endif
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110 |
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111 | void sdp_parser_handle_done(uint8_t status);
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112 |
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113 | // Registers a callback to receive attribute value data and parse complete event.
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114 | void sdp_parser_register_callback(void (*sdp_callback)(sdp_query_event_t * event));
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115 |
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116 |
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117 | #if defined __cplusplus
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118 | }
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119 | #endif
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120 |
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121 | #endif // __SDP_PARSER_H
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