Commit | Line | Data |
---|---|---|
897b8e23 DG |
1 | /* |
2 | * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * as published by the Free Software Foundation; only version 2 | |
7 | * of the License. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | */ | |
18 | ||
19 | #define _GNU_SOURCE | |
20 | #include <assert.h> | |
21 | #include <errno.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
26 | #include <time.h> | |
27 | ||
28 | #include "ltt-sessiond/trace.h" | |
29 | #include "utils.h" | |
30 | ||
31 | /* This path will NEVER be created in this test */ | |
32 | #define PATH1 "/tmp/.test-junk-lttng" | |
33 | ||
34 | /* For lttngerr.h */ | |
35 | int opt_quiet = 1; | |
36 | int opt_verbose = 0; | |
37 | ||
38 | static const char alphanum[] = | |
39 | "0123456789" | |
40 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
41 | "abcdefghijklmnopqrstuvwxyz"; | |
42 | ||
43 | static struct ltt_kernel_session *kern; | |
44 | ||
45 | /* | |
46 | * Return random string of 10 characters. | |
47 | */ | |
48 | static char *get_random_string(void) | |
49 | { | |
50 | int i; | |
51 | char *str = malloc(11); | |
52 | ||
53 | for (i = 0; i < 10; i++) { | |
54 | str[i] = alphanum[rand() % (sizeof(alphanum) - 1)]; | |
55 | } | |
56 | ||
57 | str[10] = '\0'; | |
58 | ||
59 | return str; | |
60 | } | |
61 | ||
62 | static void create_one_kernel_session(void) | |
63 | { | |
64 | printf("Create kernel session: "); | |
65 | kern = trace_create_kernel_session(); | |
66 | assert(kern != NULL); | |
67 | PRINT_OK(); | |
68 | ||
69 | printf("Validating kernel session: "); | |
70 | assert(kern->fd == 0); | |
71 | assert(kern->metadata_stream_fd == 0); | |
72 | assert(kern->kconsumer_fds_sent == 0); | |
73 | assert(kern->channel_count == 0); | |
74 | assert(kern->stream_count_global == 0); | |
75 | assert(kern->metadata == NULL); | |
76 | PRINT_OK(); | |
77 | ||
78 | /* Init list in order to avoid sefaults from cds_list_del */ | |
79 | trace_destroy_kernel_session(kern); | |
80 | } | |
81 | ||
82 | static void create_kernel_metadata(void) | |
83 | { | |
84 | assert(kern != NULL); | |
85 | ||
86 | printf("Create kernel metadata: "); | |
87 | kern->metadata = trace_create_kernel_metadata(PATH1); | |
88 | assert(kern->metadata != NULL); | |
89 | PRINT_OK(); | |
90 | ||
91 | printf("Validating kernel session metadata: "); | |
92 | assert(kern->metadata->fd == 0); | |
93 | assert(strlen(kern->metadata->pathname)); | |
94 | assert(kern->metadata->conf != NULL); | |
95 | assert(kern->metadata->conf->attr.overwrite | |
96 | == DEFAULT_CHANNEL_OVERWRITE); | |
97 | assert(kern->metadata->conf->attr.subbuf_size | |
98 | == DEFAULT_CHANNEL_SUBBUF_SIZE); | |
99 | assert(kern->metadata->conf->attr.num_subbuf | |
100 | == DEFAULT_CHANNEL_SUBBUF_NUM); | |
101 | assert(kern->metadata->conf->attr.switch_timer_interval | |
102 | == DEFAULT_CHANNEL_SWITCH_TIMER); | |
103 | assert(kern->metadata->conf->attr.read_timer_interval | |
104 | == DEFAULT_CHANNEL_READ_TIMER); | |
105 | assert(kern->metadata->conf->attr.output | |
106 | == DEFAULT_KERNEL_CHANNEL_OUTPUT); | |
107 | PRINT_OK(); | |
108 | ||
109 | trace_destroy_kernel_metadata(kern->metadata); | |
110 | } | |
111 | ||
112 | static void create_kernel_channel(void) | |
113 | { | |
114 | struct ltt_kernel_channel *chan; | |
115 | struct lttng_channel attr; | |
116 | ||
117 | printf("Creating kernel channel: "); | |
118 | chan = trace_create_kernel_channel(&attr, PATH1); | |
119 | assert(chan != NULL); | |
120 | PRINT_OK(); | |
121 | ||
122 | printf("Validating kernel channel: "); | |
123 | assert(chan->fd == 0); | |
124 | assert(chan->enabled == 1); | |
125 | assert(strcmp(PATH1, chan->pathname) == 0); | |
126 | assert(chan->stream_count == 0); | |
127 | assert(chan->ctx == NULL); | |
128 | assert(chan->channel->attr.overwrite == attr.attr.overwrite); | |
129 | PRINT_OK(); | |
130 | ||
131 | /* Init list in order to avoid sefaults from cds_list_del */ | |
132 | CDS_INIT_LIST_HEAD(&chan->list); | |
133 | trace_destroy_kernel_channel(chan); | |
134 | } | |
135 | ||
136 | static void create_kernel_event(void) | |
137 | { | |
138 | struct ltt_kernel_event *event; | |
139 | struct lttng_event ev; | |
140 | ||
141 | strncpy(ev.name, get_random_string(), LTTNG_SYM_NAME_LEN); | |
142 | ev.type = LTTNG_EVENT_TRACEPOINT; | |
143 | ||
144 | printf("Creating kernel event: "); | |
145 | event = trace_create_kernel_event(&ev); | |
146 | assert(event != NULL); | |
147 | PRINT_OK(); | |
148 | ||
149 | printf("Validating kernel event: "); | |
150 | assert(event->fd == 0); | |
151 | assert(event->enabled == 1); | |
152 | assert(event->ctx == NULL); | |
153 | assert(event->event->instrumentation == LTTNG_KERNEL_TRACEPOINT); | |
154 | assert(strlen(event->event->name)); | |
155 | PRINT_OK(); | |
156 | ||
157 | /* Init list in order to avoid sefaults from cds_list_del */ | |
158 | CDS_INIT_LIST_HEAD(&event->list); | |
159 | trace_destroy_kernel_event(event); | |
160 | } | |
161 | ||
162 | static void create_kernel_stream(void) | |
163 | { | |
164 | struct ltt_kernel_stream *stream; | |
165 | ||
166 | printf("Creating kernel stream: "); | |
167 | stream = trace_create_kernel_stream(); | |
168 | assert(stream != NULL); | |
169 | PRINT_OK(); | |
170 | ||
171 | printf("Validating kernel stream: "); | |
172 | assert(stream->fd == 0); | |
173 | assert(stream->pathname == NULL); | |
174 | assert(stream->state == 0); | |
175 | PRINT_OK(); | |
176 | ||
177 | /* Init list in order to avoid sefaults from cds_list_del */ | |
178 | CDS_INIT_LIST_HEAD(&stream->list); | |
179 | trace_destroy_kernel_stream(stream); | |
180 | } | |
181 | ||
182 | int main(int argc, char **argv) | |
183 | { | |
184 | printf("\nTesting kernel data structures:\n-----------\n"); | |
185 | ||
186 | create_one_kernel_session(); | |
187 | ||
188 | create_kernel_metadata(); | |
189 | create_kernel_channel(); | |
190 | ||
191 | ||
192 | create_kernel_event(); | |
193 | ||
194 | create_kernel_stream(); | |
195 | ||
196 | /* Success */ | |
197 | return 0; | |
198 | } |