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02fced3067
Adding a new subcommand to zstream called token. This now allows users to decode a resume token to retrieve the toname field. This can be useful for tools that need this information. The syntax works as follows zstream token <resume_token>. Reviewed-by: Matt Ahrens <matt@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Paul Zuchowski <pzuchowski@datto.com> Signed-off-by: Tony Perkins <tperkins@datto.com> Closes #10558
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*
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* Portions Copyright 2012 Martin Matuska <martin@matuska.org>
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*/
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/*
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* Copyright (c) 2020 by Datto Inc. All rights reserved.
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*/
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#include <ctype.h>
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#include <libnvpair.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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#include <stddef.h>
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#include <libzfs.h>
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#include <libzfs_core.h>
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#include <sys/dmu.h>
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#include <sys/zfs_ioctl.h>
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#include "zstream.h"
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int
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zstream_do_token(int argc, char *argv[])
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{
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char *resume_token = NULL;
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if (argc < 2) {
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(void) fprintf(stderr, "Need to pass the resume token\n");
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zstream_usage();
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}
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resume_token = argv[1];
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libzfs_handle_t *hdl = libzfs_init();
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nvlist_t *resume_nvl =
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zfs_send_resume_token_to_nvlist(hdl, resume_token);
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if (resume_nvl == NULL) {
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(void) fprintf(stderr,
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"Unable to parse resume token: %s\n",
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libzfs_error_description(hdl));
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libzfs_fini(hdl);
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return (1);
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}
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dump_nvlist(resume_nvl, 5);
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nvlist_free(resume_nvl);
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libzfs_fini(hdl);
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return (0);
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}
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