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44c440bc PP |
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-MEANINGS" | |
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 | |
29 | int set_int_field_type_meaning_by_name(struct ctf_field_type *ft, | |
30 | const char *field_name, const char *id_name, | |
31 | enum ctf_field_type_meaning meaning) | |
32 | { | |
33 | int ret = 0; | |
34 | uint64_t i; | |
35 | ||
36 | if (!ft) { | |
37 | goto end; | |
38 | } | |
39 | ||
40 | switch (ft->id) { | |
41 | case CTF_FIELD_TYPE_ID_INT: | |
42 | case CTF_FIELD_TYPE_ID_ENUM: | |
43 | { | |
44 | struct ctf_field_type_int *int_ft = (void *) ft; | |
45 | ||
46 | if (field_name && strcmp(field_name, id_name) == 0) { | |
47 | int_ft->meaning = meaning; | |
48 | } | |
49 | ||
50 | break; | |
51 | } | |
52 | case CTF_FIELD_TYPE_ID_STRUCT: | |
53 | { | |
54 | struct ctf_field_type_struct *struct_ft = (void *) ft; | |
55 | ||
56 | for (i = 0; i < struct_ft->members->len; i++) { | |
57 | struct ctf_named_field_type *named_ft = | |
58 | ctf_field_type_struct_borrow_member_by_index( | |
59 | struct_ft, i); | |
60 | ||
61 | ret = set_int_field_type_meaning_by_name(named_ft->ft, | |
62 | named_ft->name->str, id_name, meaning); | |
63 | if (ret) { | |
64 | goto end; | |
65 | } | |
66 | } | |
67 | ||
68 | break; | |
69 | } | |
70 | case CTF_FIELD_TYPE_ID_VARIANT: | |
71 | { | |
72 | struct ctf_field_type_variant *var_ft = (void *) ft; | |
73 | ||
74 | for (i = 0; i < var_ft->options->len; i++) { | |
75 | struct ctf_named_field_type *named_ft = | |
76 | ctf_field_type_variant_borrow_option_by_index( | |
77 | var_ft, i); | |
78 | ||
79 | ret = set_int_field_type_meaning_by_name(named_ft->ft, | |
80 | NULL, id_name, meaning); | |
81 | if (ret) { | |
82 | goto end; | |
83 | } | |
84 | } | |
85 | ||
86 | break; | |
87 | } | |
88 | case CTF_FIELD_TYPE_ID_ARRAY: | |
89 | case CTF_FIELD_TYPE_ID_SEQUENCE: | |
90 | { | |
91 | struct ctf_field_type_array_base *array_ft = (void *) ft; | |
92 | ||
93 | ret = set_int_field_type_meaning_by_name(array_ft->elem_ft, | |
94 | NULL, id_name, meaning); | |
95 | if (ret) { | |
96 | goto end; | |
97 | } | |
98 | ||
99 | break; | |
100 | } | |
101 | default: | |
102 | break; | |
103 | } | |
104 | ||
105 | end: | |
106 | return ret; | |
107 | } | |
108 | ||
109 | static | |
110 | int update_stream_class_meanings(struct ctf_stream_class *sc) | |
111 | { | |
112 | int ret = 0; | |
113 | struct ctf_field_type_int *int_ft; | |
114 | uint64_t i; | |
115 | ||
116 | if (!sc->is_translated) { | |
117 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
118 | (void *) sc->packet_context_ft, "timestamp_begin"); | |
119 | if (int_ft) { | |
120 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_PACKET_BEGINNING_TIME; | |
121 | } | |
122 | ||
123 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
124 | (void *) sc->packet_context_ft, "timestamp_end"); | |
125 | if (int_ft) { | |
126 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_PACKET_END_TIME; | |
127 | ||
128 | /* | |
129 | * Remove mapped clock class to avoid updating | |
130 | * the clock immediately when decoding. | |
131 | */ | |
132 | int_ft->mapped_clock_class = NULL; | |
133 | } | |
134 | ||
135 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
136 | (void *) sc->packet_context_ft, "events_discarded"); | |
137 | if (int_ft) { | |
138 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_DISC_EV_REC_COUNTER_SNAPSHOT; | |
139 | } | |
140 | ||
141 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
142 | (void *) sc->packet_context_ft, "packet_seq_num"); | |
143 | if (int_ft) { | |
144 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_PACKET_COUNTER_SNAPSHOT; | |
145 | ||
146 | } | |
147 | ||
148 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
149 | (void *) sc->packet_context_ft, "packet_size"); | |
150 | if (int_ft) { | |
151 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_EXP_PACKET_TOTAL_SIZE; | |
152 | } | |
153 | ||
154 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
155 | (void *) sc->packet_context_ft, "content_size"); | |
156 | if (int_ft) { | |
157 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_EXP_PACKET_CONTENT_SIZE; | |
158 | } | |
159 | ||
160 | ret = set_int_field_type_meaning_by_name( | |
161 | sc->event_header_ft, NULL, "id", | |
162 | CTF_FIELD_TYPE_MEANING_EVENT_CLASS_ID); | |
163 | if (ret) { | |
164 | goto end; | |
165 | } | |
166 | } | |
167 | ||
168 | for (i = 0; i < sc->event_classes->len; i++) { | |
169 | struct ctf_event_class *ec = sc->event_classes->pdata[i]; | |
170 | ||
171 | if (ec->is_translated) { | |
172 | continue; | |
173 | } | |
174 | } | |
175 | ||
176 | end: | |
177 | return ret; | |
178 | } | |
179 | ||
180 | BT_HIDDEN | |
181 | int ctf_trace_class_update_meanings(struct ctf_trace_class *ctf_tc) | |
182 | { | |
183 | int ret = 0; | |
184 | struct ctf_field_type_int *int_ft; | |
185 | struct ctf_named_field_type *named_ft; | |
186 | uint64_t i; | |
187 | ||
188 | if (!ctf_tc->is_translated) { | |
189 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
190 | (void *) ctf_tc->packet_header_ft, "magic"); | |
191 | if (int_ft) { | |
192 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_MAGIC; | |
193 | } | |
194 | ||
195 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
196 | (void *) ctf_tc->packet_header_ft, "stream_id"); | |
197 | if (int_ft) { | |
198 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_STREAM_CLASS_ID; | |
199 | } | |
200 | ||
201 | int_ft = ctf_field_type_struct_borrow_member_int_field_type_by_name( | |
202 | (void *) ctf_tc->packet_header_ft, | |
203 | "stream_instance_id"); | |
204 | if (int_ft) { | |
205 | int_ft->meaning = CTF_FIELD_TYPE_MEANING_DATA_STREAM_ID; | |
206 | } | |
207 | ||
208 | named_ft = ctf_field_type_struct_borrow_member_by_name( | |
209 | (void *) ctf_tc->packet_header_ft, "uuid"); | |
210 | if (named_ft && named_ft->ft->id == CTF_FIELD_TYPE_ID_ARRAY) { | |
211 | struct ctf_field_type_array *array_ft = | |
212 | (void *) named_ft->ft; | |
213 | ||
214 | array_ft->meaning = CTF_FIELD_TYPE_MEANING_UUID; | |
215 | } | |
216 | } | |
217 | ||
218 | for (i = 0; i < ctf_tc->stream_classes->len; i++) { | |
219 | ret = update_stream_class_meanings( | |
220 | ctf_tc->stream_classes->pdata[i]); | |
221 | if (ret) { | |
222 | goto end; | |
223 | } | |
224 | } | |
225 | ||
226 | end: | |
227 | return ret; | |
228 | } |