tests/test-connect.c

   1 /* nbdkit
   2  * Copyright (C) 2013-2020 Red Hat Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * * Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  *
  15  * * Neither the name of Red Hat nor the names of its contributors may be
  16  * used to endorse or promote products derived from this software without
  17  * specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  29  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include <config.h>
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <stdint.h>
  38 #include <inttypes.h>
  39 #include <string.h>
  40 #include <unistd.h>
  41
  42 #include <libnbd.h>
  43
  44 int
  45 main (int argc, char *argv[])
  46 {
  47   struct nbd_handle *nbd;
  48   int64_t size;
  49
  50   nbd = nbd_create ();
  51   if (nbd == NULL) {
  52     fprintf (stderr, "%s\n", nbd_get_error ());
  53     exit (EXIT_FAILURE);
  54   }
  55
  56   if (nbd_connect_command (nbd,
  57                            (char *[]) {
  58                              "nbdkit", "-s", "--exit-with-parent",
  59                              "example1", NULL }) == -1) {
  60     fprintf (stderr, "%s\n", nbd_get_error ());
  61     exit (EXIT_FAILURE);
  62   }
  63
  64   /* The example1 plugin makes a static virtual disk which is 100 MB
  65    * in size.
  66    */
  67   size = nbd_get_size (nbd);
  68   if (size == -1) {
  69     fprintf (stderr, "%s\n", nbd_get_error ());
  70     exit (EXIT_FAILURE);
  71   }
  72   if (size != 104857600) {
  73     fprintf (stderr,
  74              "%s FAILED: incorrect disk size (actual: %" PRIi64
  75              ", expected: 104857600)\n", argv[0], size);
  76     exit (EXIT_FAILURE);
  77   }
  78
  79   nbd_close (nbd);
  80   exit (EXIT_SUCCESS);
  81 }