| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2018 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #include <babeltrace2/babeltrace.h> |
| 8 | |
| 9 | #include "cpp-common/bt2c/logging.hpp" |
| 10 | |
| 11 | #include "ctf-meta-visitors.hpp" |
| 12 | |
| 13 | static inline int find_mapped_clock_class(struct ctf_field_class *fc, |
| 14 | struct ctf_clock_class **clock_class, |
| 15 | const bt2c::Logger& logger) |
| 16 | { |
| 17 | int ret = 0; |
| 18 | uint64_t i; |
| 19 | |
| 20 | if (!fc) { |
| 21 | goto end; |
| 22 | } |
| 23 | |
| 24 | switch (fc->type) { |
| 25 | case CTF_FIELD_CLASS_TYPE_INT: |
| 26 | case CTF_FIELD_CLASS_TYPE_ENUM: |
| 27 | { |
| 28 | struct ctf_field_class_int *int_fc = ctf_field_class_as_int(fc); |
| 29 | |
| 30 | if (int_fc->mapped_clock_class) { |
| 31 | if (*clock_class && *clock_class != int_fc->mapped_clock_class) { |
| 32 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, |
| 33 | "Stream class contains more than one " |
| 34 | "clock class: expected-cc-name=\"{}\", " |
| 35 | "other-cc-name=\"{}\"", |
| 36 | (*clock_class)->name->str, |
| 37 | int_fc->mapped_clock_class->name->str); |
| 38 | ret = -1; |
| 39 | goto end; |
| 40 | } |
| 41 | |
| 42 | *clock_class = int_fc->mapped_clock_class; |
| 43 | } |
| 44 | |
| 45 | break; |
| 46 | } |
| 47 | case CTF_FIELD_CLASS_TYPE_STRUCT: |
| 48 | { |
| 49 | struct ctf_field_class_struct *struct_fc = ctf_field_class_as_struct(fc); |
| 50 | |
| 51 | for (i = 0; i < struct_fc->members->len; i++) { |
| 52 | struct ctf_named_field_class *named_fc = |
| 53 | ctf_field_class_struct_borrow_member_by_index(struct_fc, i); |
| 54 | |
| 55 | ret = find_mapped_clock_class(named_fc->fc, clock_class, logger); |
| 56 | if (ret) { |
| 57 | goto end; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | break; |
| 62 | } |
| 63 | case CTF_FIELD_CLASS_TYPE_VARIANT: |
| 64 | { |
| 65 | struct ctf_field_class_variant *var_fc = ctf_field_class_as_variant(fc); |
| 66 | |
| 67 | for (i = 0; i < var_fc->options->len; i++) { |
| 68 | struct ctf_named_field_class *named_fc = |
| 69 | ctf_field_class_variant_borrow_option_by_index(var_fc, i); |
| 70 | |
| 71 | ret = find_mapped_clock_class(named_fc->fc, clock_class, logger); |
| 72 | if (ret) { |
| 73 | goto end; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | break; |
| 78 | } |
| 79 | case CTF_FIELD_CLASS_TYPE_ARRAY: |
| 80 | case CTF_FIELD_CLASS_TYPE_SEQUENCE: |
| 81 | { |
| 82 | struct ctf_field_class_array_base *array_fc = ctf_field_class_as_array_base(fc); |
| 83 | |
| 84 | ret = find_mapped_clock_class(array_fc->elem_fc, clock_class, logger); |
| 85 | if (ret) { |
| 86 | goto end; |
| 87 | } |
| 88 | |
| 89 | break; |
| 90 | } |
| 91 | default: |
| 92 | break; |
| 93 | } |
| 94 | |
| 95 | end: |
| 96 | return ret; |
| 97 | } |
| 98 | |
| 99 | static inline int update_stream_class_default_clock_class(struct ctf_stream_class *stream_class, |
| 100 | const bt2c::Logger& logger) |
| 101 | { |
| 102 | int ret = 0; |
| 103 | struct ctf_clock_class *clock_class = stream_class->default_clock_class; |
| 104 | uint64_t i; |
| 105 | |
| 106 | ret = find_mapped_clock_class(stream_class->packet_context_fc, &clock_class, logger); |
| 107 | if (ret) { |
| 108 | goto end; |
| 109 | } |
| 110 | |
| 111 | ret = find_mapped_clock_class(stream_class->event_header_fc, &clock_class, logger); |
| 112 | if (ret) { |
| 113 | goto end; |
| 114 | } |
| 115 | |
| 116 | ret = find_mapped_clock_class(stream_class->event_common_context_fc, &clock_class, logger); |
| 117 | if (ret) { |
| 118 | goto end; |
| 119 | } |
| 120 | |
| 121 | for (i = 0; i < stream_class->event_classes->len; i++) { |
| 122 | struct ctf_event_class *event_class = |
| 123 | (ctf_event_class *) stream_class->event_classes->pdata[i]; |
| 124 | |
| 125 | ret = find_mapped_clock_class(event_class->spec_context_fc, &clock_class, logger); |
| 126 | if (ret) { |
| 127 | goto end; |
| 128 | } |
| 129 | |
| 130 | ret = find_mapped_clock_class(event_class->payload_fc, &clock_class, logger); |
| 131 | if (ret) { |
| 132 | goto end; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | if (!stream_class->default_clock_class) { |
| 137 | stream_class->default_clock_class = clock_class; |
| 138 | } |
| 139 | |
| 140 | end: |
| 141 | return ret; |
| 142 | } |
| 143 | |
| 144 | int ctf_trace_class_update_default_clock_classes(struct ctf_trace_class *ctf_tc, |
| 145 | const bt2c::Logger& parentLogger) |
| 146 | { |
| 147 | uint64_t i; |
| 148 | int ret = 0; |
| 149 | struct ctf_clock_class *clock_class = NULL; |
| 150 | bt2c::Logger logger {parentLogger, "PLUGIN/CTF/META/UPDATE-DEF-CC"}; |
| 151 | |
| 152 | ret = find_mapped_clock_class(ctf_tc->packet_header_fc, &clock_class, logger); |
| 153 | if (ret) { |
| 154 | goto end; |
| 155 | } |
| 156 | |
| 157 | if (clock_class) { |
| 158 | ret = -1; |
| 159 | goto end; |
| 160 | } |
| 161 | |
| 162 | for (i = 0; i < ctf_tc->stream_classes->len; i++) { |
| 163 | struct ctf_stream_class *sc = (ctf_stream_class *) ctf_tc->stream_classes->pdata[i]; |
| 164 | |
| 165 | ret = update_stream_class_default_clock_class( |
| 166 | (ctf_stream_class *) ctf_tc->stream_classes->pdata[i], logger); |
| 167 | if (ret) { |
| 168 | BT_CPPLOGE_APPEND_CAUSE_SPEC(logger, |
| 169 | "Stream class contains more than one " |
| 170 | "clock class: stream-class-id={}", |
| 171 | sc->id); |
| 172 | goto end; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | end: |
| 177 | return ret; |
| 178 | } |