lib: make public reference count functions have strict types
[babeltrace.git] / plugins / ctf / common / metadata / ctf-meta-update-default-clock-classes.c
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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-DEF-CC"
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
28static inline
939190b3 29int find_mapped_clock_class(struct ctf_field_class *fc,
78cf9df6 30 struct bt_clock_class **clock_class)
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31{
32 int ret = 0;
33 uint64_t i;
34
939190b3 35 if (!fc) {
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36 goto end;
37 }
38
af0c18e3
PP
39 switch (fc->type) {
40 case CTF_FIELD_CLASS_TYPE_INT:
41 case CTF_FIELD_CLASS_TYPE_ENUM:
7b33a0e0 42 {
939190b3 43 struct ctf_field_class_int *int_fc = (void *) fc;
7b33a0e0 44
939190b3 45 if (int_fc->mapped_clock_class) {
7b33a0e0 46 if (*clock_class && *clock_class !=
939190b3 47 int_fc->mapped_clock_class) {
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48 BT_LOGE("Stream class contains more than one "
49 "clock class: expected-cc-name=\"%s\", "
50 "other-cc-name=\"%s\"",
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51 bt_clock_class_get_name(*clock_class),
52 bt_clock_class_get_name(int_fc->mapped_clock_class));
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53 ret = -1;
54 goto end;
55 }
56
939190b3 57 *clock_class = int_fc->mapped_clock_class;
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58 }
59
60 break;
61 }
af0c18e3 62 case CTF_FIELD_CLASS_TYPE_STRUCT:
7b33a0e0 63 {
939190b3 64 struct ctf_field_class_struct *struct_fc = (void *) fc;
7b33a0e0 65
939190b3
PP
66 for (i = 0; i < struct_fc->members->len; i++) {
67 struct ctf_named_field_class *named_fc =
68 ctf_field_class_struct_borrow_member_by_index(
69 struct_fc, i);
7b33a0e0 70
939190b3 71 ret = find_mapped_clock_class(named_fc->fc,
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72 clock_class);
73 if (ret) {
74 goto end;
75 }
76 }
77
78 break;
79 }
af0c18e3 80 case CTF_FIELD_CLASS_TYPE_VARIANT:
7b33a0e0 81 {
939190b3 82 struct ctf_field_class_variant *var_fc = (void *) fc;
7b33a0e0 83
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PP
84 for (i = 0; i < var_fc->options->len; i++) {
85 struct ctf_named_field_class *named_fc =
86 ctf_field_class_variant_borrow_option_by_index(
87 var_fc, i);
7b33a0e0 88
939190b3 89 ret = find_mapped_clock_class(named_fc->fc,
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90 clock_class);
91 if (ret) {
92 goto end;
93 }
94 }
95
96 break;
97 }
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98 case CTF_FIELD_CLASS_TYPE_ARRAY:
99 case CTF_FIELD_CLASS_TYPE_SEQUENCE:
7b33a0e0 100 {
939190b3 101 struct ctf_field_class_array_base *array_fc = (void *) fc;
7b33a0e0 102
939190b3 103 ret = find_mapped_clock_class(array_fc->elem_fc, clock_class);
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104 if (ret) {
105 goto end;
106 }
107
108 break;
109 }
110 default:
111 break;
112 }
113
114end:
115 return ret;
116}
117
118static inline
119int update_stream_class_default_clock_class(
120 struct ctf_stream_class *stream_class)
121{
122 int ret = 0;
78cf9df6 123 struct bt_clock_class *clock_class =
9e550e5f 124 stream_class->default_clock_class;
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125 uint64_t i;
126
939190b3 127 ret = find_mapped_clock_class(stream_class->packet_context_fc,
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128 &clock_class);
129 if (ret) {
130 goto end;
131 }
132
939190b3 133 ret = find_mapped_clock_class(stream_class->event_header_fc,
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134 &clock_class);
135 if (ret) {
136 goto end;
137 }
138
939190b3 139 ret = find_mapped_clock_class(stream_class->event_common_context_fc,
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140 &clock_class);
141 if (ret) {
142 goto end;
143 }
144
145 for (i = 0; i < stream_class->event_classes->len; i++) {
146 struct ctf_event_class *event_class =
147 stream_class->event_classes->pdata[i];
148
939190b3 149 ret = find_mapped_clock_class(event_class->spec_context_fc,
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150 &clock_class);
151 if (ret) {
152 goto end;
153 }
154
939190b3 155 ret = find_mapped_clock_class(event_class->payload_fc,
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156 &clock_class);
157 if (ret) {
158 goto end;
159 }
160 }
161
162 if (!stream_class->default_clock_class) {
4b70020d 163 stream_class->default_clock_class = clock_class;
8c6884d9 164 bt_clock_class_get_ref(stream_class->default_clock_class);
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165 }
166
167end:
168 return ret;
169}
170
171BT_HIDDEN
172int ctf_trace_class_update_default_clock_classes(struct ctf_trace_class *ctf_tc)
173{
174 uint64_t i;
175 int ret = 0;
78cf9df6 176 struct bt_clock_class *clock_class = NULL;
7b33a0e0 177
939190b3 178 ret = find_mapped_clock_class(ctf_tc->packet_header_fc,
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179 &clock_class);
180 if (ret) {
181 goto end;
182 }
183
184 if (clock_class) {
185 ret = -1;
186 goto end;
187 }
188
189 for (i = 0; i < ctf_tc->stream_classes->len; i++) {
190 struct ctf_stream_class *sc =
191 ctf_tc->stream_classes->pdata[i];
192
193 ret = update_stream_class_default_clock_class(
194 ctf_tc->stream_classes->pdata[i]);
195 if (ret) {
196 BT_LOGE("Stream class contains more than one "
197 "clock class: stream-class-id=%" PRIu64,
198 sc->id);
199 goto end;
200 }
201 }
202
203end:
204 return ret;
205}
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