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annotate tests/span_containers.c @ 0:6ce4443e7545

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Add the draft of an API to collect statistics on LXC
author Louis Opter <kalessin@kalessin.fr>
date Wed, 29 Dec 2010 23:28:14 +0100
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children 8339ab15527d
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6ce4443e7545 Add the draft of an API to collect statistics on LXC
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1 #include <err.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4
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5 #include "lxcstats.h"
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6
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7 unsigned int n = 0;
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8
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9 int
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10 cb(void *ctx, const struct lxcst *container)
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11 {
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12 if (ctx)
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13 errx(EXIT_FAILURE, "ctx must be NULL");
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14
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15 if (!container)
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16 errx(EXIT_FAILURE, "container must not be NULL");
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17
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18 ++n;
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19
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20 return (0); /* continue */
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21 }
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22
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23 int
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24 main(int argc, char *argv[])
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25 {
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26 lxcst_handle *hdl;
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27
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28 hdl = lxcst_open();
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29 if (!hdl)
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30 err(EXIT_FAILURE, "lxcst_open failed");
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31
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32 lxcst_span_containers(hdl, &cb, NULL);
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33
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34 lxcst_close(hdl);
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35
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36 printf("%s: spanned %d containers.\n", *argv, n);
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37
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38 return (EXIT_SUCCESS);
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39 (void)argc;
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40 }