cmd/zstream/zstream_token.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or https://opensource.org/licenses/CDDL-1.0.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Portions Copyright 2012 Martin Matuska <martin@matuska.org>
  27  */
  28
  29 /*
  30  * Copyright (c) 2020 by Datto Inc. All rights reserved.
  31  */
  32
  33 #include <ctype.h>
  34 #include <libnvpair.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <unistd.h>
  39 #include <stddef.h>
  40
  41 #include <libzfs.h>
  42 #include <libzfs_core.h>
  43
  44 #include <sys/dmu.h>
  45 #include <sys/zfs_ioctl.h>
  46 #include "zstream.h"
  47
  48 int
  49 zstream_do_token(int argc, char *argv[])
  50 {
  51         char *resume_token = NULL;
  52         libzfs_handle_t *hdl;
  53
  54         if (argc < 2) {
  55                 (void) fprintf(stderr, "Need to pass the resume token\n");
  56                 zstream_usage();
  57         }
  58
  59         resume_token = argv[1];
  60
  61         if ((hdl = libzfs_init()) == NULL) {
  62                 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
  63                 return (1);
  64         }
  65
  66         nvlist_t *resume_nvl =
  67             zfs_send_resume_token_to_nvlist(hdl, resume_token);
  68
  69         if (resume_nvl == NULL) {
  70                 (void) fprintf(stderr,
  71                     "Unable to parse resume token: %s\n",
  72                     libzfs_error_description(hdl));
  73                 libzfs_fini(hdl);
  74                 return (1);
  75         }
  76
  77         dump_nvlist(resume_nvl, 5);
  78         nvlist_free(resume_nvl);
  79
  80         libzfs_fini(hdl);
  81         return (0);
  82 }