xref: /freebsd/sys/contrib/openzfs/cmd/zstream/zstream_token.c (revision 7a8d62cd046942ab34fcf282ecbbb0747a08a4ee)
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 }
83