| 1 | /* |
| 2 | * Copyright 2018 - Philippe Proulx <pproulx@efficios.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | */ |
| 14 | |
| 15 | #define BT_LOG_TAG "PLUGIN-CTF-METADATA-META-UPDATE-TEXT-ARRAY-SEQ" |
| 16 | #include "logging.h" |
| 17 | |
| 18 | #include <babeltrace/babeltrace.h> |
| 19 | #include <babeltrace/babeltrace-internal.h> |
| 20 | #include <babeltrace/assert-internal.h> |
| 21 | #include <glib.h> |
| 22 | #include <stdint.h> |
| 23 | #include <string.h> |
| 24 | #include <inttypes.h> |
| 25 | |
| 26 | #include "ctf-meta-visitors.h" |
| 27 | |
| 28 | static inline |
| 29 | int set_text_array_sequence_field_type(struct ctf_field_type *ft) |
| 30 | { |
| 31 | int ret = 0; |
| 32 | uint64_t i; |
| 33 | |
| 34 | if (!ft) { |
| 35 | goto end; |
| 36 | } |
| 37 | |
| 38 | switch (ft->id) { |
| 39 | case CTF_FIELD_TYPE_ID_STRUCT: |
| 40 | { |
| 41 | struct ctf_field_type_struct *struct_ft = (void *) ft; |
| 42 | |
| 43 | for (i = 0; i < struct_ft->members->len; i++) { |
| 44 | struct ctf_named_field_type *named_ft = |
| 45 | ctf_field_type_struct_borrow_member_by_index( |
| 46 | struct_ft, i); |
| 47 | |
| 48 | ret = set_text_array_sequence_field_type(named_ft->ft); |
| 49 | if (ret) { |
| 50 | goto end; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | break; |
| 55 | } |
| 56 | case CTF_FIELD_TYPE_ID_VARIANT: |
| 57 | { |
| 58 | struct ctf_field_type_variant *var_ft = (void *) ft; |
| 59 | |
| 60 | for (i = 0; i < var_ft->options->len; i++) { |
| 61 | struct ctf_named_field_type *named_ft = |
| 62 | ctf_field_type_variant_borrow_option_by_index( |
| 63 | var_ft, i); |
| 64 | |
| 65 | ret = set_text_array_sequence_field_type(named_ft->ft); |
| 66 | if (ret) { |
| 67 | goto end; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | break; |
| 72 | } |
| 73 | case CTF_FIELD_TYPE_ID_ARRAY: |
| 74 | case CTF_FIELD_TYPE_ID_SEQUENCE: |
| 75 | { |
| 76 | struct ctf_field_type_array_base *array_ft = (void *) ft; |
| 77 | |
| 78 | if (array_ft->elem_ft->id == CTF_FIELD_TYPE_ID_INT || |
| 79 | array_ft->elem_ft->id == CTF_FIELD_TYPE_ID_ENUM) { |
| 80 | struct ctf_field_type_int *int_ft = |
| 81 | (void *) array_ft->elem_ft; |
| 82 | |
| 83 | if (int_ft->base.base.alignment == 8 && |
| 84 | int_ft->base.size == 8 && |
| 85 | int_ft->encoding == CTF_ENCODING_UTF8) { |
| 86 | array_ft->is_text = true; |
| 87 | |
| 88 | /* |
| 89 | * Force integer element to be unsigned; |
| 90 | * this makes the decoder enter a single |
| 91 | * path when reading a text |
| 92 | * array/sequence and we can safely |
| 93 | * decode bytes as characters anyway. |
| 94 | */ |
| 95 | int_ft->is_signed = false; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | ret = set_text_array_sequence_field_type(array_ft->elem_ft); |
| 100 | if (ret) { |
| 101 | goto end; |
| 102 | } |
| 103 | |
| 104 | break; |
| 105 | } |
| 106 | default: |
| 107 | break; |
| 108 | } |
| 109 | |
| 110 | end: |
| 111 | return ret; |
| 112 | } |
| 113 | |
| 114 | BT_HIDDEN |
| 115 | int ctf_trace_class_update_text_array_sequence(struct ctf_trace_class *ctf_tc) |
| 116 | { |
| 117 | int ret = 0; |
| 118 | uint64_t i; |
| 119 | |
| 120 | if (!ctf_tc->is_translated) { |
| 121 | ret = set_text_array_sequence_field_type( |
| 122 | ctf_tc->packet_header_ft); |
| 123 | if (ret) { |
| 124 | goto end; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | for (i = 0; i < ctf_tc->stream_classes->len; i++) { |
| 129 | struct ctf_stream_class *sc = ctf_tc->stream_classes->pdata[i]; |
| 130 | uint64_t j; |
| 131 | |
| 132 | if (!sc->is_translated) { |
| 133 | ret = set_text_array_sequence_field_type( |
| 134 | sc->packet_context_ft); |
| 135 | if (ret) { |
| 136 | goto end; |
| 137 | } |
| 138 | |
| 139 | ret = set_text_array_sequence_field_type( |
| 140 | sc->event_header_ft); |
| 141 | if (ret) { |
| 142 | goto end; |
| 143 | } |
| 144 | |
| 145 | ret = set_text_array_sequence_field_type( |
| 146 | sc->event_common_context_ft); |
| 147 | if (ret) { |
| 148 | goto end; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | for (j = 0; j < sc->event_classes->len; j++) { |
| 153 | struct ctf_event_class *ec = |
| 154 | sc->event_classes->pdata[j]; |
| 155 | |
| 156 | if (ec->is_translated) { |
| 157 | continue; |
| 158 | } |
| 159 | |
| 160 | ret = set_text_array_sequence_field_type( |
| 161 | ec->spec_context_ft); |
| 162 | if (ret) { |
| 163 | goto end; |
| 164 | } |
| 165 | |
| 166 | ret = set_text_array_sequence_field_type( |
| 167 | ec->payload_ft); |
| 168 | if (ret) { |
| 169 | goto end; |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | end: |
| 175 | return ret; |
| 176 | } |