| 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 | #include <babeltrace2/babeltrace.h> |
| 16 | #include "common/macros.h" |
| 17 | #include "common/assert.h" |
| 18 | #include <glib.h> |
| 19 | #include <stdint.h> |
| 20 | #include <string.h> |
| 21 | #include <inttypes.h> |
| 22 | |
| 23 | #include "ctf-meta-visitors.h" |
| 24 | |
| 25 | static inline |
| 26 | int set_text_array_sequence_field_class(struct ctf_field_class *fc) |
| 27 | { |
| 28 | int ret = 0; |
| 29 | uint64_t i; |
| 30 | |
| 31 | if (!fc) { |
| 32 | goto end; |
| 33 | } |
| 34 | |
| 35 | switch (fc->type) { |
| 36 | case CTF_FIELD_CLASS_TYPE_STRUCT: |
| 37 | { |
| 38 | struct ctf_field_class_struct *struct_fc = (void *) fc; |
| 39 | |
| 40 | for (i = 0; i < struct_fc->members->len; i++) { |
| 41 | struct ctf_named_field_class *named_fc = |
| 42 | ctf_field_class_struct_borrow_member_by_index( |
| 43 | struct_fc, i); |
| 44 | |
| 45 | ret = set_text_array_sequence_field_class(named_fc->fc); |
| 46 | if (ret) { |
| 47 | goto end; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | break; |
| 52 | } |
| 53 | case CTF_FIELD_CLASS_TYPE_VARIANT: |
| 54 | { |
| 55 | struct ctf_field_class_variant *var_fc = (void *) fc; |
| 56 | |
| 57 | for (i = 0; i < var_fc->options->len; i++) { |
| 58 | struct ctf_named_field_class *named_fc = |
| 59 | ctf_field_class_variant_borrow_option_by_index( |
| 60 | var_fc, i); |
| 61 | |
| 62 | ret = set_text_array_sequence_field_class(named_fc->fc); |
| 63 | if (ret) { |
| 64 | goto end; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | break; |
| 69 | } |
| 70 | case CTF_FIELD_CLASS_TYPE_ARRAY: |
| 71 | case CTF_FIELD_CLASS_TYPE_SEQUENCE: |
| 72 | { |
| 73 | struct ctf_field_class_array_base *array_fc = (void *) fc; |
| 74 | |
| 75 | if (array_fc->elem_fc->type == CTF_FIELD_CLASS_TYPE_INT || |
| 76 | array_fc->elem_fc->type == CTF_FIELD_CLASS_TYPE_ENUM) { |
| 77 | struct ctf_field_class_int *int_fc = |
| 78 | (void *) array_fc->elem_fc; |
| 79 | |
| 80 | if (int_fc->base.base.alignment == 8 && |
| 81 | int_fc->base.size == 8 && |
| 82 | int_fc->encoding == CTF_ENCODING_UTF8) { |
| 83 | array_fc->is_text = true; |
| 84 | |
| 85 | /* |
| 86 | * Force integer element to be unsigned; |
| 87 | * this makes the decoder enter a single |
| 88 | * path when reading a text |
| 89 | * array/sequence and we can safely |
| 90 | * decode bytes as characters anyway. |
| 91 | */ |
| 92 | int_fc->is_signed = false; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | ret = set_text_array_sequence_field_class(array_fc->elem_fc); |
| 97 | if (ret) { |
| 98 | goto end; |
| 99 | } |
| 100 | |
| 101 | break; |
| 102 | } |
| 103 | default: |
| 104 | break; |
| 105 | } |
| 106 | |
| 107 | end: |
| 108 | return ret; |
| 109 | } |
| 110 | |
| 111 | BT_HIDDEN |
| 112 | int ctf_trace_class_update_text_array_sequence(struct ctf_trace_class *ctf_tc) |
| 113 | { |
| 114 | int ret = 0; |
| 115 | uint64_t i; |
| 116 | |
| 117 | if (!ctf_tc->is_translated) { |
| 118 | ret = set_text_array_sequence_field_class( |
| 119 | ctf_tc->packet_header_fc); |
| 120 | if (ret) { |
| 121 | goto end; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | for (i = 0; i < ctf_tc->stream_classes->len; i++) { |
| 126 | struct ctf_stream_class *sc = ctf_tc->stream_classes->pdata[i]; |
| 127 | uint64_t j; |
| 128 | |
| 129 | if (!sc->is_translated) { |
| 130 | ret = set_text_array_sequence_field_class( |
| 131 | sc->packet_context_fc); |
| 132 | if (ret) { |
| 133 | goto end; |
| 134 | } |
| 135 | |
| 136 | ret = set_text_array_sequence_field_class( |
| 137 | sc->event_header_fc); |
| 138 | if (ret) { |
| 139 | goto end; |
| 140 | } |
| 141 | |
| 142 | ret = set_text_array_sequence_field_class( |
| 143 | sc->event_common_context_fc); |
| 144 | if (ret) { |
| 145 | goto end; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | for (j = 0; j < sc->event_classes->len; j++) { |
| 150 | struct ctf_event_class *ec = |
| 151 | sc->event_classes->pdata[j]; |
| 152 | |
| 153 | if (ec->is_translated) { |
| 154 | continue; |
| 155 | } |
| 156 | |
| 157 | ret = set_text_array_sequence_field_class( |
| 158 | ec->spec_context_fc); |
| 159 | if (ret) { |
| 160 | goto end; |
| 161 | } |
| 162 | |
| 163 | ret = set_text_array_sequence_field_class( |
| 164 | ec->payload_fc); |
| 165 | if (ret) { |
| 166 | goto end; |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | end: |
| 172 | return ret; |
| 173 | } |