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7b33a0e0 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-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 | ||
28 | static inline | |
29 | int find_mapped_clock_class(struct ctf_field_type *ft, | |
30 | struct bt_clock_class **clock_class) | |
31 | { | |
32 | int ret = 0; | |
33 | uint64_t i; | |
34 | ||
35 | if (!ft) { | |
36 | goto end; | |
37 | } | |
38 | ||
39 | switch (ft->id) { | |
40 | case CTF_FIELD_TYPE_ID_INT: | |
41 | case CTF_FIELD_TYPE_ID_ENUM: | |
42 | { | |
43 | struct ctf_field_type_int *int_ft = (void *) ft; | |
44 | ||
45 | if (int_ft->mapped_clock_class) { | |
46 | if (*clock_class && *clock_class != | |
47 | int_ft->mapped_clock_class) { | |
48 | BT_LOGE("Stream class contains more than one " | |
49 | "clock class: expected-cc-name=\"%s\", " | |
50 | "other-cc-name=\"%s\"", | |
51 | bt_clock_class_get_name(*clock_class), | |
52 | bt_clock_class_get_name(int_ft->mapped_clock_class)); | |
53 | ret = -1; | |
54 | goto end; | |
55 | } | |
56 | ||
57 | *clock_class = int_ft->mapped_clock_class; | |
58 | } | |
59 | ||
60 | break; | |
61 | } | |
62 | case CTF_FIELD_TYPE_ID_STRUCT: | |
63 | { | |
64 | struct ctf_field_type_struct *struct_ft = (void *) ft; | |
65 | ||
66 | for (i = 0; i < struct_ft->members->len; i++) { | |
67 | struct ctf_named_field_type *named_ft = | |
68 | ctf_field_type_struct_borrow_member_by_index( | |
69 | struct_ft, i); | |
70 | ||
71 | ret = find_mapped_clock_class(named_ft->ft, | |
72 | clock_class); | |
73 | if (ret) { | |
74 | goto end; | |
75 | } | |
76 | } | |
77 | ||
78 | break; | |
79 | } | |
80 | case CTF_FIELD_TYPE_ID_VARIANT: | |
81 | { | |
82 | struct ctf_field_type_variant *var_ft = (void *) ft; | |
83 | ||
84 | for (i = 0; i < var_ft->options->len; i++) { | |
85 | struct ctf_named_field_type *named_ft = | |
86 | ctf_field_type_variant_borrow_option_by_index( | |
87 | var_ft, i); | |
88 | ||
89 | ret = find_mapped_clock_class(named_ft->ft, | |
90 | clock_class); | |
91 | if (ret) { | |
92 | goto end; | |
93 | } | |
94 | } | |
95 | ||
96 | break; | |
97 | } | |
98 | case CTF_FIELD_TYPE_ID_ARRAY: | |
99 | case CTF_FIELD_TYPE_ID_SEQUENCE: | |
100 | { | |
101 | struct ctf_field_type_array_base *array_ft = (void *) ft; | |
102 | ||
103 | ret = find_mapped_clock_class(array_ft->elem_ft, clock_class); | |
104 | if (ret) { | |
105 | goto end; | |
106 | } | |
107 | ||
108 | break; | |
109 | } | |
110 | default: | |
111 | break; | |
112 | } | |
113 | ||
114 | end: | |
115 | return ret; | |
116 | } | |
117 | ||
118 | static inline | |
119 | int update_stream_class_default_clock_class( | |
120 | struct ctf_stream_class *stream_class) | |
121 | { | |
122 | int ret = 0; | |
123 | struct bt_clock_class *clock_class = stream_class->default_clock_class; | |
124 | uint64_t i; | |
125 | ||
126 | ret = find_mapped_clock_class(stream_class->packet_context_ft, | |
127 | &clock_class); | |
128 | if (ret) { | |
129 | goto end; | |
130 | } | |
131 | ||
132 | ret = find_mapped_clock_class(stream_class->event_header_ft, | |
133 | &clock_class); | |
134 | if (ret) { | |
135 | goto end; | |
136 | } | |
137 | ||
138 | ret = find_mapped_clock_class(stream_class->event_common_context_ft, | |
139 | &clock_class); | |
140 | if (ret) { | |
141 | goto end; | |
142 | } | |
143 | ||
144 | for (i = 0; i < stream_class->event_classes->len; i++) { | |
145 | struct ctf_event_class *event_class = | |
146 | stream_class->event_classes->pdata[i]; | |
147 | ||
148 | ret = find_mapped_clock_class(event_class->spec_context_ft, | |
149 | &clock_class); | |
150 | if (ret) { | |
151 | goto end; | |
152 | } | |
153 | ||
154 | ret = find_mapped_clock_class(event_class->payload_ft, | |
155 | &clock_class); | |
156 | if (ret) { | |
157 | goto end; | |
158 | } | |
159 | } | |
160 | ||
161 | if (!stream_class->default_clock_class) { | |
162 | stream_class->default_clock_class = bt_get(clock_class); | |
163 | } | |
164 | ||
165 | end: | |
166 | return ret; | |
167 | } | |
168 | ||
169 | BT_HIDDEN | |
170 | int ctf_trace_class_update_default_clock_classes(struct ctf_trace_class *ctf_tc) | |
171 | { | |
172 | uint64_t i; | |
173 | int ret = 0; | |
174 | struct bt_clock_class *clock_class = NULL; | |
175 | ||
176 | ret = find_mapped_clock_class(ctf_tc->packet_header_ft, | |
177 | &clock_class); | |
178 | if (ret) { | |
179 | goto end; | |
180 | } | |
181 | ||
182 | if (clock_class) { | |
183 | ret = -1; | |
184 | goto end; | |
185 | } | |
186 | ||
187 | for (i = 0; i < ctf_tc->stream_classes->len; i++) { | |
188 | struct ctf_stream_class *sc = | |
189 | ctf_tc->stream_classes->pdata[i]; | |
190 | ||
191 | ret = update_stream_class_default_clock_class( | |
192 | ctf_tc->stream_classes->pdata[i]); | |
193 | if (ret) { | |
194 | BT_LOGE("Stream class contains more than one " | |
195 | "clock class: stream-class-id=%" PRIu64, | |
196 | sc->id); | |
197 | goto end; | |
198 | } | |
199 | } | |
200 | ||
201 | end: | |
202 | return ret; | |
203 | } |