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f209d63a ÇO |
1 | /* concurrent.c |
2 | * | |
3 | * Copyright © 2013 S.Çağlar Onur <caglar@10ur.org> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2, as | |
7 | * published by the Free Software Foundation. | |
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 | */ | |
beb6d93e | 18 | |
eab15c1e | 19 | #define _GNU_SOURCE |
beb6d93e | 20 | #include <limits.h> |
f209d63a ÇO |
21 | #include <stdio.h> |
22 | #include <pthread.h> | |
beb6d93e | 23 | #include <unistd.h> |
95ee490b SG |
24 | #include <string.h> |
25 | #include <fcntl.h> | |
beb6d93e | 26 | #include <getopt.h> |
f209d63a | 27 | |
948955a2 | 28 | #include <lxc/lxccontainer.h> |
f209d63a | 29 | |
beb6d93e DE |
30 | static int nthreads = 5; |
31 | static int iterations = 1; | |
36eaa694 | 32 | static int debug = 0; |
beb6d93e DE |
33 | static int quiet = 0; |
34 | static int delay = 0; | |
35 | static const char *template = "busybox"; | |
36 | ||
0b98289e | 37 | static const struct option options[] = { |
fbeb7a1a | 38 | { "threads", required_argument, NULL, 'j' }, |
39 | { "iterations", required_argument, NULL, 'i' }, | |
40 | { "template", required_argument, NULL, 't' }, | |
41 | { "delay", required_argument, NULL, 'd' }, | |
42 | { "modes", required_argument, NULL, 'm' }, | |
43 | { "quiet", no_argument, NULL, 'q' }, | |
44 | { "debug", no_argument, NULL, 'D' }, | |
45 | { "help", no_argument, NULL, '?' }, | |
46 | { 0, 0, 0, 0 }, | |
beb6d93e | 47 | }; |
f209d63a | 48 | |
beb6d93e | 49 | static void usage(void) { |
fbeb7a1a | 50 | fprintf(stderr, "Usage: lxc-test-concurrent [OPTION]...\n\n" |
51 | "Common options :\n" | |
52 | " -j, --threads=N Threads to run concurrently\n" | |
53 | " (default: 5, use 1 for no threading)\n" | |
54 | " -i, --iterations=N Number times to run the test (default: 1)\n" | |
55 | " -t, --template=t Template to use (default: busybox)\n" | |
56 | " -d, --delay=N Delay in seconds between start and stop\n" | |
57 | " -m, --modes=<mode,mode,...> Modes to run (create, start, stop, destroy)\n" | |
58 | " -q, --quiet Don't produce any output\n" | |
59 | " -D, --debug Create a debug log\n" | |
60 | " -?, --help Give this help list\n" | |
61 | "\n" | |
62 | "Mandatory or optional arguments to long options are also mandatory or optional\n" | |
63 | "for any corresponding short options.\n\n"); | |
beb6d93e | 64 | } |
103a2fc0 | 65 | |
f209d63a | 66 | struct thread_args { |
fbeb7a1a | 67 | int thread_id; |
68 | int return_code; | |
69 | const char *mode; | |
f209d63a ÇO |
70 | }; |
71 | ||
beb6d93e DE |
72 | static void do_function(void *arguments) |
73 | { | |
fbeb7a1a | 74 | char name[NAME_MAX + 1]; |
75 | struct thread_args *args = arguments; | |
76 | struct lxc_container *c; | |
77 | ||
78 | sprintf(name, "lxc-test-concurrent-%d", args->thread_id); | |
79 | ||
80 | args->return_code = 1; | |
81 | ||
82 | c = lxc_container_new(name, NULL); | |
83 | if (!c) { | |
84 | fprintf(stderr, "Unable to instantiate container (%s)\n", name); | |
85 | return; | |
86 | } | |
87 | ||
88 | if (debug) | |
89 | c->set_config_item(c, "lxc.log.level", "DEBUG"); | |
90 | ||
91 | if (strcmp(args->mode, "create") == 0) { | |
92 | if (!c->is_defined(c)) { | |
93 | if (!c->create(c, template, NULL, NULL, 1, NULL)) { | |
94 | fprintf(stderr, "Creating the container (%s) failed...\n", name); | |
95 | goto out; | |
96 | } | |
97 | } | |
98 | } else if(strcmp(args->mode, "start") == 0) { | |
99 | if (c->is_defined(c) && !c->is_running(c)) { | |
100 | c->want_daemonize(c, true); | |
101 | ||
102 | if (!c->start(c, false, NULL)) { | |
103 | fprintf(stderr, "Starting the container (%s) failed...\n", name); | |
104 | goto out; | |
105 | } | |
106 | ||
107 | if (!c->wait(c, "RUNNING", 15)) { | |
108 | fprintf(stderr, "Waiting the container (%s) to start failed...\n", name); | |
109 | goto out; | |
110 | } | |
111 | ||
112 | sleep(delay); | |
113 | } | |
114 | } else if(strcmp(args->mode, "stop") == 0) { | |
115 | if (c->is_defined(c) && c->is_running(c)) { | |
116 | if (!c->stop(c)) { | |
117 | fprintf(stderr, "Stopping the container (%s) failed...\n", name); | |
118 | goto out; | |
119 | } | |
120 | ||
121 | if (!c->wait(c, "STOPPED", 15)) { | |
122 | fprintf(stderr, "Waiting the container (%s) to stop failed...\n", name); | |
123 | goto out; | |
124 | } | |
125 | } | |
126 | } else if(strcmp(args->mode, "destroy") == 0) { | |
127 | if (c->is_defined(c) && !c->is_running(c)) { | |
128 | if (!c->destroy(c)) { | |
129 | fprintf(stderr, "Destroying the container (%s) failed...\n", name); | |
130 | goto out; | |
131 | } | |
132 | } | |
133 | } | |
134 | ||
135 | args->return_code = 0; | |
136 | ||
f209d63a | 137 | out: |
fbeb7a1a | 138 | lxc_container_put(c); |
139 | ||
140 | if (debug) | |
141 | lxc_log_close(); | |
f209d63a ÇO |
142 | } |
143 | ||
beb6d93e DE |
144 | static void *concurrent(void *arguments) |
145 | { | |
fbeb7a1a | 146 | do_function(arguments); |
147 | pthread_exit(NULL); | |
4012c891 | 148 | |
fbeb7a1a | 149 | return NULL; |
beb6d93e | 150 | } |
f209d63a ÇO |
151 | |
152 | int main(int argc, char *argv[]) { | |
fbeb7a1a | 153 | int i, j, iter, opt; |
154 | pthread_attr_t attr; | |
155 | pthread_t *threads; | |
156 | struct thread_args *args; | |
157 | ||
158 | char *modes_default[] = {"create", "start", "stop", "destroy", NULL}; | |
159 | char **modes = modes_default; | |
160 | ||
161 | pthread_attr_init(&attr); | |
162 | ||
163 | while ((opt = getopt_long(argc, argv, "j:i:t:d:m:qD", options, NULL)) != -1) { | |
164 | switch(opt) { | |
165 | case 'j': | |
166 | nthreads = atoi(optarg); | |
167 | break; | |
168 | case 'i': | |
169 | iterations = atoi(optarg); | |
170 | break; | |
171 | case 't': | |
172 | template = optarg; | |
173 | break; | |
174 | case 'd': | |
175 | delay = atoi(optarg); | |
176 | break; | |
177 | case 'q': | |
178 | quiet = 1; | |
179 | break; | |
180 | case 'D': | |
181 | debug = 1; | |
182 | break; | |
183 | case 'm': { | |
184 | char *mode_tok, *tok, *saveptr = NULL; | |
185 | ||
186 | if (!optarg) | |
187 | continue; | |
188 | ||
189 | modes = NULL; | |
190 | for (i = 0, mode_tok = optarg; | |
191 | (tok = strtok_r(mode_tok, ",", &saveptr)); | |
192 | i++, mode_tok = NULL) { | |
193 | modes = realloc(modes, sizeof(*modes) * (i+2)); | |
194 | if (!modes) { | |
195 | perror("realloc"); | |
196 | exit(EXIT_FAILURE); | |
197 | } | |
198 | modes[i] = tok; | |
199 | } | |
200 | ||
201 | if (modes) | |
202 | modes[i] = NULL; | |
203 | break; | |
204 | } | |
205 | default: /* '?' */ | |
206 | usage(); | |
207 | exit(EXIT_FAILURE); | |
208 | } | |
209 | } | |
210 | ||
211 | threads = malloc(sizeof(*threads) * nthreads); | |
212 | args = malloc(sizeof(*args) * nthreads); | |
213 | if (threads == NULL || args == NULL) { | |
214 | fprintf(stderr, "Unable malloc enough memory for %d threads\n", nthreads); | |
215 | exit(EXIT_FAILURE); | |
216 | } | |
217 | ||
218 | for (iter = 1; iter <= iterations; iter++) { | |
219 | int fd; | |
220 | ||
221 | fd = open("/", O_RDONLY); | |
222 | if (fd < 0) { | |
223 | fprintf(stderr, "Failed to open /\n"); | |
224 | continue; | |
225 | } | |
226 | ||
227 | if (!quiet) | |
228 | printf("\nIteration %d/%d maxfd:%d\n", iter, iterations, fd); | |
229 | ||
230 | close(fd); | |
231 | ||
232 | for (i = 0; modes[i];i++) { | |
233 | if (!quiet) | |
234 | printf("Executing (%s) for %d containers...\n", modes[i], nthreads); | |
235 | ||
236 | for (j = 0; j < nthreads; j++) { | |
237 | args[j].thread_id = j; | |
238 | args[j].mode = modes[i]; | |
239 | ||
240 | if (nthreads > 1) { | |
241 | if (pthread_create(&threads[j], &attr, concurrent, (void *) &args[j]) != 0) { | |
242 | perror("pthread_create() error"); | |
243 | exit(EXIT_FAILURE); | |
244 | } | |
245 | } else { | |
246 | do_function(&args[j]); | |
247 | } | |
248 | } | |
249 | ||
250 | for (j = 0; j < nthreads; j++) { | |
251 | if (nthreads > 1) { | |
252 | if (pthread_join(threads[j], NULL) != 0) { | |
253 | perror("pthread_join() error"); | |
254 | exit(EXIT_FAILURE); | |
255 | } | |
256 | } | |
257 | ||
258 | if (args[j].return_code) { | |
259 | fprintf(stderr, "thread returned error %d\n", args[j].return_code); | |
260 | exit(EXIT_FAILURE); | |
261 | } | |
262 | } | |
263 | } | |
264 | } | |
265 | ||
266 | free(args); | |
267 | free(threads); | |
268 | pthread_attr_destroy(&attr); | |
269 | exit(EXIT_SUCCESS); | |
f209d63a | 270 | } |