lib: use BT_LIB_LOG*_APPEND_CAUSE() where appropriate
[babeltrace.git] / src / lib / trace-ir / clock-snapshot-set.h
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1#ifndef BABELTRACE_GRAPH_CLOCK_SNAPSHOT_SET_H
2#define BABELTRACE_GRAPH_CLOCK_SNAPSHOT_SET_H
3
4/*
5 * Copyright 2018 Philippe Proulx <pproulx@efficios.com>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
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26/* Protection: this file uses BT_LIB_LOG*() macros directly */
27#ifndef BT_LIB_LOG_SUPPORTED
28# error Please include "lib/logging.h" before including this file.
29#endif
30
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31#include <stdint.h>
32#include <glib.h>
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33#include "common/assert.h"
34
35#include "clock-snapshot.h"
36#include "clock-class.h"
605e1019 37
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38/* Protection: this file uses BT_LIB_LOG*() macros directly */
39#ifndef BT_LIB_LOG_SUPPORTED
40# error Please include "lib/logging.h" before including this file.
41#endif
42
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43struct bt_clock_snapshot_set {
44 /* Unique objects owned by this */
45 GPtrArray *clock_snapshots;
46
47 /* Weak; points to one of the clock snapshots above */
48 struct bt_clock_snapshot *default_cs;
49};
50
51static inline
52int bt_clock_snapshot_set_initialize(struct bt_clock_snapshot_set *cs_set)
53{
54 int ret = 0;
55
56 cs_set->clock_snapshots = g_ptr_array_sized_new(1);
57 if (!cs_set->clock_snapshots) {
870631a2 58 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
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59 ret = -1;
60 goto end;
61 }
62
63 cs_set->default_cs = NULL;
64
65end:
66 return ret;
67}
68
69static inline
70void bt_clock_snapshot_set_reset(struct bt_clock_snapshot_set *cs_set)
71{
72 uint64_t i;
73
74 BT_ASSERT(cs_set);
75 BT_ASSERT(cs_set->clock_snapshots);
76
77 for (i = 0; i < cs_set->clock_snapshots->len; i++) {
78 struct bt_clock_snapshot *cs = cs_set->clock_snapshots->pdata[i];
79
80 BT_ASSERT(cs);
81 bt_clock_snapshot_reset(cs);
82 }
83
84 cs_set->default_cs = NULL;
85}
86
87static inline
88void bt_clock_snapshot_set_finalize(struct bt_clock_snapshot_set *cs_set)
89{
90 uint64_t i;
91
92 BT_ASSERT(cs_set);
93
94 if (cs_set->clock_snapshots) {
95 for (i = 0; i < cs_set->clock_snapshots->len; i++) {
96 struct bt_clock_snapshot *cs =
97 cs_set->clock_snapshots->pdata[i];
98
99 BT_ASSERT(cs);
100 bt_clock_snapshot_recycle(cs);
101 }
102
103 g_ptr_array_free(cs_set->clock_snapshots, TRUE);
104 }
105
106 cs_set->default_cs = NULL;
107}
108
109static inline
110int bt_clock_snapshot_set_set_clock_snapshot(struct bt_clock_snapshot_set *cs_set,
111 struct bt_clock_class *cc, uint64_t raw_value)
112{
113 int ret = 0;
114 struct bt_clock_snapshot *clock_snapshot = NULL;
115 uint64_t i;
116
117 BT_ASSERT(cs_set);
118 BT_ASSERT(cc);
119
120 /*
121 * Check if we already have a value for this clock class.
122 *
123 * TODO: When we have many clock classes, make this more
124 * efficient.
125 */
126 for (i = 0; i < cs_set->clock_snapshots->len; i++) {
127 struct bt_clock_snapshot *cs = cs_set->clock_snapshots->pdata[i];
128
129 BT_ASSERT(cs);
130
131 if (cs->clock_class == cc) {
132 clock_snapshot = cs;
133 break;
134 }
135 }
136
137 if (!clock_snapshot) {
138 clock_snapshot = bt_clock_snapshot_create(cc);
139 if (!clock_snapshot) {
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140 BT_LIB_LOGE_APPEND_CAUSE(
141 "Cannot create a clock snapshot from a clock class: "
605e1019 142 "%![cc-]+K", cc);
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143 ret = -1;
144 goto end;
145 }
146
147 g_ptr_array_add(cs_set->clock_snapshots, clock_snapshot);
148 }
149
f0ebeace 150 bt_clock_snapshot_set_raw_value(clock_snapshot, raw_value);
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151
152end:
153 return ret;
154}
155
156static inline
157void bt_clock_snapshot_set_set_default_clock_snapshot(
158 struct bt_clock_snapshot_set *cs_set, uint64_t raw_value)
159{
160 BT_ASSERT(cs_set);
161 BT_ASSERT(cs_set->default_cs);
f0ebeace 162 bt_clock_snapshot_set_raw_value(cs_set->default_cs, raw_value);
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163}
164
165#endif /* BABELTRACE_GRAPH_CLOCK_SNAPSHOT_SET_H */
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