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1 | /* |
2 | * test-seeks.c | |
3 | * | |
4 | * Lib BabelTrace - Seeks test program | |
5 | * | |
6 | * Copyright 2012 - Yannick Brosseau <yannick.brosseau@gmail.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; under version 2 of the License. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along | |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 | */ | |
21 | #define _GNU_SOURCE | |
22 | #include <babeltrace/context.h> | |
23 | #include <babeltrace/iterator.h> | |
24 | #include <babeltrace/ctf/iterator.h> | |
25 | #include <babeltrace/ctf/events.h> | |
26 | ||
27 | #include <stdio.h> | |
28 | #include <stdlib.h> | |
29 | #include <errno.h> | |
30 | #include <limits.h> | |
31 | ||
32 | #include "common.h" | |
33 | #include "tap.h" | |
34 | ||
35 | #define NR_TESTS 11 | |
36 | ||
37 | void run_seek_begin(char *path, uint64_t expected_begin) | |
38 | { | |
39 | struct bt_context *ctx; | |
40 | struct bt_ctf_iter *iter; | |
41 | struct bt_ctf_event *event; | |
42 | struct bt_iter_pos newpos; | |
43 | int ret; | |
44 | uint64_t timestamp_begin; | |
45 | uint64_t timestamp_seek_begin; | |
46 | ||
47 | /* Open the trace */ | |
48 | ctx = create_context_with_path(path); | |
49 | if (!ctx) { | |
50 | plan_skip_all("Cannot create valid context"); | |
51 | } | |
52 | ||
53 | /* Create iterator with null begin and end */ | |
54 | iter = bt_ctf_iter_create(ctx, NULL, NULL); | |
55 | if (!iter) { | |
56 | plan_skip_all("Cannot create valid iterator"); | |
57 | } | |
58 | ||
59 | event = bt_ctf_iter_read_event(iter); | |
60 | ||
61 | ok(event, "Event valid"); | |
62 | ||
63 | /* Validate that the first timestamp is right */ | |
64 | timestamp_begin = bt_ctf_get_timestamp(event); | |
65 | ||
66 | ok1(timestamp_begin == expected_begin); | |
67 | ||
68 | /* Validate that we get the same value after a seek begin */ | |
69 | newpos.type = BT_SEEK_BEGIN; | |
70 | ret = bt_iter_set_pos(bt_ctf_get_iter(iter), &newpos); | |
71 | ||
72 | ok(ret == 0, "Seek begin retval %d", ret); | |
73 | ||
74 | event = bt_ctf_iter_read_event(iter); | |
75 | ||
76 | ok(event, "Event valid"); | |
77 | ||
78 | timestamp_seek_begin = bt_ctf_get_timestamp(event); | |
79 | ||
80 | ok1(timestamp_begin == timestamp_seek_begin); | |
81 | ||
82 | bt_context_put(ctx); | |
83 | } | |
84 | ||
85 | ||
86 | void run_seek_last(char *path, uint64_t expected_last) | |
87 | { | |
88 | struct bt_context *ctx; | |
89 | struct bt_ctf_iter *iter; | |
90 | struct bt_ctf_event *event; | |
91 | struct bt_iter_pos newpos; | |
92 | int ret; | |
93 | uint64_t timestamp_last; | |
94 | ||
95 | /* Open the trace */ | |
96 | ctx = create_context_with_path(path); | |
97 | if (!ctx) { | |
98 | plan_skip_all("Cannot create valid context"); | |
99 | } | |
100 | ||
101 | /* Create iterator with null last and end */ | |
102 | iter = bt_ctf_iter_create(ctx, NULL, NULL); | |
103 | if (!iter) { | |
104 | plan_skip_all("Cannot create valid iterator"); | |
105 | } | |
106 | ||
107 | event = bt_ctf_iter_read_event(iter); | |
108 | ||
109 | ok(event, "Event valid at beginning"); | |
110 | ||
111 | /* Seek to last */ | |
112 | newpos.type = BT_SEEK_LAST; | |
113 | ret = bt_iter_set_pos(bt_ctf_get_iter(iter), &newpos); | |
114 | ||
115 | ok(ret == 0, "Seek last retval %d", ret); | |
116 | ||
117 | event = bt_ctf_iter_read_event(iter); | |
118 | ||
119 | ok(event, "Event valid at last position"); | |
120 | ||
121 | timestamp_last = bt_ctf_get_timestamp(event); | |
122 | ||
123 | ok1(timestamp_last == expected_last); | |
124 | ||
125 | /* Try to read next event */ | |
126 | ret = bt_iter_next(bt_ctf_get_iter(iter)); | |
127 | ||
128 | ok(ret == 0, "iter next should return an error"); | |
129 | ||
130 | event = bt_ctf_iter_read_event(iter); | |
131 | ||
132 | ok(event == 0, "Event after last should be invalid"); | |
133 | ||
134 | bt_context_put(ctx); | |
135 | } | |
136 | ||
137 | int main(int argc, char **argv) | |
138 | { | |
139 | char *path; | |
140 | uint64_t expected_begin; | |
141 | uint64_t expected_last; | |
142 | ||
143 | plan_tests(NR_TESTS); | |
144 | ||
145 | if (argc < 4) { | |
146 | plan_skip_all("Invalid arguments: need a trace path and the start and last timestamp"); | |
147 | ||
148 | } | |
149 | ||
150 | /* Parse arguments (Trace, begin timestamp) */ | |
151 | path = argv[1]; | |
152 | ||
153 | expected_begin = strtoull(argv[2], NULL, 0); | |
154 | if (ULLONG_MAX == expected_begin && errno == ERANGE) { | |
155 | plan_skip_all("Invalid value for begin timestamp"); | |
156 | } | |
157 | ||
158 | expected_last = strtoull(argv[3], NULL, 0); | |
159 | if (ULLONG_MAX == expected_last && errno == ERANGE) { | |
160 | plan_skip_all("Invalid value for last timestamp"); | |
161 | } | |
162 | ||
163 | run_seek_begin(path, expected_begin); | |
164 | run_seek_last(path, expected_last); | |
165 | ||
166 | return exit_status(); | |
167 | } |