svn commit: r337369 - projects/bectl/sbin/bectl
Kyle Evans
kevans at FreeBSD.org
Mon Aug 6 03:41:54 UTC 2018
Author: kevans
Date: Mon Aug 6 03:41:52 2018
New Revision: 337369
URL: https://svnweb.freebsd.org/changeset/base/337369
Log:
bectl(8): Split list functionality out into its own file as well
Added:
projects/bectl/sbin/bectl/bectl_list.c (contents, props changed)
Modified:
projects/bectl/sbin/bectl/Makefile
projects/bectl/sbin/bectl/bectl.c
projects/bectl/sbin/bectl/bectl.h
Modified: projects/bectl/sbin/bectl/Makefile
==============================================================================
--- projects/bectl/sbin/bectl/Makefile Mon Aug 6 03:32:25 2018 (r337368)
+++ projects/bectl/sbin/bectl/Makefile Mon Aug 6 03:41:52 2018 (r337369)
@@ -3,7 +3,7 @@
PROG= bectl
MAN= bectl.8
-SRCS= bectl.c bectl_jail.c
+SRCS= bectl.c bectl_jail.c bectl_list.c
LIBADD+= be
LIBADD+= jail
Modified: projects/bectl/sbin/bectl/bectl.c
==============================================================================
--- projects/bectl/sbin/bectl/bectl.c Mon Aug 6 03:32:25 2018 (r337368)
+++ projects/bectl/sbin/bectl/bectl.c Mon Aug 6 03:41:52 2018 (r337369)
@@ -43,40 +43,12 @@
#include "bectl.h"
-#define HEADER_BE "BE"
-#define HEADER_BEPLUS "BE/Dataset/Snapshot"
-#define HEADER_ACTIVE "Active"
-#define HEADER_MOUNT "Mountpoint"
-#define HEADER_SPACE "Space"
-#define HEADER_CREATED "Created"
-
-/* Spaces */
-#define INDENT_INCREMENT 2
-
-struct printc {
- int active_colsz_def;
- int be_colsz;
- int current_indent;
- int mount_colsz;
- int space_colsz;
- bool script_fmt;
- bool show_all_datasets;
- bool show_snaps;
- bool show_space;
-};
-
static int bectl_cmd_activate(int argc, char *argv[]);
static int bectl_cmd_create(int argc, char *argv[]);
static int bectl_cmd_destroy(int argc, char *argv[]);
static int bectl_cmd_export(int argc, char *argv[]);
static int bectl_cmd_import(int argc, char *argv[]);
static int bectl_cmd_add(int argc, char *argv[]);
-static const char *get_origin_props(nvlist_t *dsprops, nvlist_t **originprops);
-static void print_padding(const char *fval, int colsz, struct printc *pc);
-static int print_snapshots(const char *dsname, struct printc *pc);
-static void print_info(const char *name, nvlist_t *dsprops, struct printc *pc);
-static void print_headers(nvlist_t *props, struct printc *pc);
-static int bectl_cmd_list(int argc, char *argv[]);
static int bectl_cmd_mount(int argc, char *argv[]);
static int bectl_cmd_rename(int argc, char *argv[]);
static int bectl_cmd_unmount(int argc, char *argv[]);
@@ -374,357 +346,6 @@ bectl_cmd_destroy(int argc, char *argv[])
return (err);
}
-
-/*
- * Given a set of dataset properties (for a BE dataset), populate originprops
- * with the origin's properties.
- */
-static const char *
-get_origin_props(nvlist_t *dsprops, nvlist_t **originprops)
-{
- char *propstr;
-
- if (nvlist_lookup_string(dsprops, "origin", &propstr) == 0) {
- if (be_prop_list_alloc(originprops) != 0) {
- fprintf(stderr,
- "bectl list: failed to allocate origin prop nvlist\n");
- return (NULL);
- }
- if (be_get_dataset_props(be, propstr, *originprops) != 0) {
- /* XXX TODO: Real errors */
- fprintf(stderr,
- "bectl list: failed to fetch origin properties\n");
- return (NULL);
- }
-
- return (propstr);
- }
- return (NULL);
-}
-
-static void
-print_padding(const char *fval, int colsz, struct printc *pc)
-{
-
- /* -H flag handling; all delimiters/padding are a single tab */
- if (pc->script_fmt) {
- printf("\t");
- return;
- }
-
- if (fval != NULL)
- colsz -= strlen(fval);
- printf("%*s ", colsz, "");
-}
-
-static unsigned long long
-dataset_space(const char *oname)
-{
- unsigned long long space;
- char *dsname, *propstr, *sep;
- nvlist_t *dsprops;
-
- space = 0;
- dsname = strdup(oname);
- if (dsname == NULL)
- return (0);
-
- /* Truncate snapshot to dataset name, as needed */
- if ((sep = strchr(dsname, '@')) != NULL)
- *sep = '\0';
-
- if (be_prop_list_alloc(&dsprops) != 0) {
- free(dsname);
- return (0);
- }
-
- if (be_get_dataset_props(be, dsname, dsprops) != 0) {
- nvlist_free(dsprops);
- free(dsname);
- return (0);
- }
-
- if (nvlist_lookup_string(dsprops, "used", &propstr) == 0)
- space = strtoull(propstr, NULL, 10);
-
- nvlist_free(dsprops);
- free(dsname);
- return (space);
-}
-
-static int
-print_snapshots(const char *dsname, struct printc *pc)
-{
- nvpair_t *cur;
- nvlist_t *props, *sprops;
-
- if (be_prop_list_alloc(&props) != 0) {
- fprintf(stderr, "bectl list: failed to allocate snapshot nvlist\n");
- return (1);
- }
- if (be_get_dataset_snapshots(be, dsname, props) != 0) {
- fprintf(stderr, "bectl list: failed to fetch boot ds snapshots\n");
- return (1);
- }
- for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
- cur = nvlist_next_nvpair(props, cur)) {
- nvpair_value_nvlist(cur, &sprops);
- print_info(nvpair_name(cur), sprops, pc);
- }
- return (0);
-}
-
-static void
-print_info(const char *name, nvlist_t *dsprops, struct printc *pc)
-{
-#define BUFSZ 64
- char buf[BUFSZ];
- unsigned long long ctimenum, space;
- nvlist_t *originprops;
- const char *oname;
- char *dsname, *propstr;
- int active_colsz;
- boolean_t active_now, active_reboot;
-
- dsname = NULL;
- originprops = NULL;
- printf("%*s%s", pc->current_indent, "", name);
- nvlist_lookup_string(dsprops, "dataset", &dsname);
-
- /* Recurse at the base level if we're breaking info down */
- if (pc->current_indent == 0 && (pc->show_all_datasets ||
- pc->show_snaps)) {
- printf("\n");
- if (dsname == NULL)
- /* XXX TODO: Error? */
- return;
- /*
- * Whether we're dealing with -a or -s, we'll always print the
- * dataset name/information followed by its origin. For -s, we
- * additionally iterate through all snapshots of this boot
- * environment and also print their information.
- */
- pc->current_indent += INDENT_INCREMENT;
- print_info(dsname, dsprops, pc);
- pc->current_indent += INDENT_INCREMENT;
- if ((oname = get_origin_props(dsprops, &originprops)) != NULL) {
- print_info(oname, originprops, pc);
- nvlist_free(originprops);
- }
-
- /* Back up a level; snapshots at the same level as dataset */
- pc->current_indent -= INDENT_INCREMENT;
- if (pc->show_snaps)
- print_snapshots(dsname, pc);
- pc->current_indent = 0;
- return;
- } else
- print_padding(name, pc->be_colsz - pc->current_indent, pc);
-
- active_colsz = pc->active_colsz_def;
- if (nvlist_lookup_boolean_value(dsprops, "active",
- &active_now) == 0 && active_now) {
- printf("N");
- active_colsz--;
- }
- if (nvlist_lookup_boolean_value(dsprops, "nextboot",
- &active_reboot) == 0 && active_reboot) {
- printf("R");
- active_colsz--;
- }
- if (active_colsz == pc->active_colsz_def) {
- printf("-");
- active_colsz--;
- }
- print_padding(NULL, active_colsz, pc);
- if (nvlist_lookup_string(dsprops, "mountpoint", &propstr) == 0){
- printf("%s", propstr);
- print_padding(propstr, pc->mount_colsz, pc);
- } else {
- printf("%s", "-");
- print_padding("-", pc->mount_colsz, pc);
- }
-
- oname = get_origin_props(dsprops, &originprops);
- if (nvlist_lookup_string(dsprops, "used", &propstr) == 0) {
- /*
- * The space used column is some composition of:
- * - The "used" property of the dataset
- * - The "used" property of the origin snapshot (not -a or -s)
- * - The "used" property of the origin dataset (-D flag only)
- *
- * The -D flag is ignored if -a or -s are specified.
- */
- space = strtoull(propstr, NULL, 10);
-
- if (!pc->show_all_datasets && !pc->show_snaps &&
- originprops != NULL &&
- nvlist_lookup_string(originprops, "used", &propstr) == 0)
- space += strtoull(propstr, NULL, 10);
-
- if (pc->show_space && oname != NULL)
- space += dataset_space(oname);
-
- /* Alas, there's more to it,. */
- be_nicenum(space, buf, 6);
- printf("%s", buf);
- print_padding(buf, pc->space_colsz, pc);
- } else {
- printf("-");
- print_padding("-", pc->space_colsz, pc);
- }
-
- if (nvlist_lookup_string(dsprops, "creation", &propstr) == 0) {
- ctimenum = strtoull(propstr, NULL, 10);
- strftime(buf, BUFSZ, "%Y-%m-%d %H:%M",
- localtime((time_t *)&ctimenum));
- printf("%s", buf);
- }
-
- printf("\n");
- if (originprops != NULL)
- be_prop_list_free(originprops);
-#undef BUFSZ
-}
-
-static void
-print_headers(nvlist_t *props, struct printc *pc)
-{
- const char *chosen_be_header;
- nvpair_t *cur;
- nvlist_t *dsprops;
- char *propstr;
- size_t be_maxcol;
-
- if (pc->show_all_datasets || pc->show_snaps)
- chosen_be_header = HEADER_BEPLUS;
- else
- chosen_be_header = HEADER_BE;
- be_maxcol = strlen(chosen_be_header);
- for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
- cur = nvlist_next_nvpair(props, cur)) {
- be_maxcol = MAX(be_maxcol, strlen(nvpair_name(cur)));
- if (!pc->show_all_datasets && !pc->show_snaps)
- continue;
- nvpair_value_nvlist(cur, &dsprops);
- if (nvlist_lookup_string(dsprops, "dataset", &propstr) != 0)
- continue;
- be_maxcol = MAX(be_maxcol, strlen(propstr) + INDENT_INCREMENT);
- if (nvlist_lookup_string(dsprops, "origin", &propstr) != 0)
- continue;
- be_maxcol = MAX(be_maxcol,
- strlen(propstr) + INDENT_INCREMENT * 2);
- }
-
- pc->be_colsz = be_maxcol;
- pc->active_colsz_def = strlen(HEADER_ACTIVE);
- pc->mount_colsz = strlen(HEADER_MOUNT);
- pc->space_colsz = strlen(HEADER_SPACE);
- printf("%*s %s %s %s %s\n", -pc->be_colsz, chosen_be_header,
- HEADER_ACTIVE, HEADER_MOUNT, HEADER_SPACE, HEADER_CREATED);
-
- /*
- * All other invocations in which we aren't using the default header
- * will produce quite a bit of input. Throw an extra blank line after
- * the header to make it look nicer.
- */
- if (chosen_be_header != HEADER_BE)
- printf("\n");
-}
-
-static int
-bectl_cmd_list(int argc, char *argv[])
-{
- struct printc pc;
- nvpair_t *cur;
- nvlist_t *dsprops, *props;
- int opt, printed;
- boolean_t active_now, active_reboot;
-
- props = NULL;
- printed = 0;
- bzero(&pc, sizeof(pc));
- while ((opt = getopt(argc, argv, "aDHs")) != -1) {
- switch (opt) {
- case 'a':
- pc.show_all_datasets = true;
- break;
- case 'D':
- pc.show_space = true;
- break;
- case 'H':
- pc.script_fmt = true;
- break;
- case 's':
- pc.show_snaps = true;
- break;
- default:
- fprintf(stderr, "bectl list: unknown option '-%c'\n",
- optopt);
- return (usage(false));
- }
- }
-
- argc -= optind;
-
- if (argc != 0) {
- fprintf(stderr, "bectl list: extra argument provided\n");
- return (usage(false));
- }
-
- if (be_prop_list_alloc(&props) != 0) {
- fprintf(stderr, "bectl list: failed to allocate prop nvlist\n");
- return (1);
- }
- if (be_get_bootenv_props(be, props) != 0) {
- /* XXX TODO: Real errors */
- fprintf(stderr, "bectl list: failed to fetch boot environments\n");
- return (1);
- }
-
- /* Force -D off if either -a or -s are specified */
- if (pc.show_all_datasets || pc.show_snaps)
- pc.show_space = false;
- if (!pc.script_fmt)
- print_headers(props, &pc);
- /* Do a first pass to print active and next active first */
- for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
- cur = nvlist_next_nvpair(props, cur)) {
- nvpair_value_nvlist(cur, &dsprops);
- active_now = active_reboot = false;
-
- nvlist_lookup_boolean_value(dsprops, "active", &active_now);
- nvlist_lookup_boolean_value(dsprops, "nextboot",
- &active_reboot);
- if (!active_now && !active_reboot)
- continue;
- if (printed > 0 && (pc.show_all_datasets || pc.show_snaps))
- printf("\n");
- print_info(nvpair_name(cur), dsprops, &pc);
- printed++;
- }
-
- /* Now pull everything else */
- for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
- cur = nvlist_next_nvpair(props, cur)) {
- nvpair_value_nvlist(cur, &dsprops);
- active_now = active_reboot = false;
-
- nvlist_lookup_boolean_value(dsprops, "active", &active_now);
- nvlist_lookup_boolean_value(dsprops, "nextboot",
- &active_reboot);
- if (active_now || active_reboot)
- continue;
- if (printed > 0 && (pc.show_all_datasets || pc.show_snaps))
- printf("\n");
- print_info(nvpair_name(cur), dsprops, &pc);
- printed++;
- }
- be_prop_list_free(props);
-
- return (0);
-}
-
static int
bectl_cmd_mount(int argc, char *argv[])
Modified: projects/bectl/sbin/bectl/bectl.h
==============================================================================
--- projects/bectl/sbin/bectl/bectl.h Mon Aug 6 03:32:25 2018 (r337368)
+++ projects/bectl/sbin/bectl/bectl.h Mon Aug 6 03:41:52 2018 (r337369)
@@ -32,4 +32,6 @@ int usage(bool explicit);
int bectl_cmd_jail(int argc, char *argv[]);
int bectl_cmd_unjail(int argc, char *argv[]);
+int bectl_cmd_list(int argc, char *argv[]);
+
extern libbe_handle_t *be;
Added: projects/bectl/sbin/bectl/bectl_list.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ projects/bectl/sbin/bectl/bectl_list.c Mon Aug 6 03:41:52 2018 (r337369)
@@ -0,0 +1,418 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2018 Kyle Evans <kevans at FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <be.h>
+
+#include "bectl.h"
+
+struct printc {
+ int active_colsz_def;
+ int be_colsz;
+ int current_indent;
+ int mount_colsz;
+ int space_colsz;
+ bool script_fmt;
+ bool show_all_datasets;
+ bool show_snaps;
+ bool show_space;
+};
+
+static const char *get_origin_props(nvlist_t *dsprops, nvlist_t **originprops);
+static void print_padding(const char *fval, int colsz, struct printc *pc);
+static int print_snapshots(const char *dsname, struct printc *pc);
+static void print_info(const char *name, nvlist_t *dsprops, struct printc *pc);
+static void print_headers(nvlist_t *props, struct printc *pc);
+static unsigned long long dataset_space(const char *oname);
+
+#define HEADER_BE "BE"
+#define HEADER_BEPLUS "BE/Dataset/Snapshot"
+#define HEADER_ACTIVE "Active"
+#define HEADER_MOUNT "Mountpoint"
+#define HEADER_SPACE "Space"
+#define HEADER_CREATED "Created"
+
+/* Spaces */
+#define INDENT_INCREMENT 2
+
+/*
+ * Given a set of dataset properties (for a BE dataset), populate originprops
+ * with the origin's properties.
+ */
+static const char *
+get_origin_props(nvlist_t *dsprops, nvlist_t **originprops)
+{
+ char *propstr;
+
+ if (nvlist_lookup_string(dsprops, "origin", &propstr) == 0) {
+ if (be_prop_list_alloc(originprops) != 0) {
+ fprintf(stderr,
+ "bectl list: failed to allocate origin prop nvlist\n");
+ return (NULL);
+ }
+ if (be_get_dataset_props(be, propstr, *originprops) != 0) {
+ /* XXX TODO: Real errors */
+ fprintf(stderr,
+ "bectl list: failed to fetch origin properties\n");
+ return (NULL);
+ }
+
+ return (propstr);
+ }
+ return (NULL);
+}
+
+static void
+print_padding(const char *fval, int colsz, struct printc *pc)
+{
+
+ /* -H flag handling; all delimiters/padding are a single tab */
+ if (pc->script_fmt) {
+ printf("\t");
+ return;
+ }
+
+ if (fval != NULL)
+ colsz -= strlen(fval);
+ printf("%*s ", colsz, "");
+}
+
+static unsigned long long
+dataset_space(const char *oname)
+{
+ unsigned long long space;
+ char *dsname, *propstr, *sep;
+ nvlist_t *dsprops;
+
+ space = 0;
+ dsname = strdup(oname);
+ if (dsname == NULL)
+ return (0);
+
+ /* Truncate snapshot to dataset name, as needed */
+ if ((sep = strchr(dsname, '@')) != NULL)
+ *sep = '\0';
+
+ if (be_prop_list_alloc(&dsprops) != 0) {
+ free(dsname);
+ return (0);
+ }
+
+ if (be_get_dataset_props(be, dsname, dsprops) != 0) {
+ nvlist_free(dsprops);
+ free(dsname);
+ return (0);
+ }
+
+ if (nvlist_lookup_string(dsprops, "used", &propstr) == 0)
+ space = strtoull(propstr, NULL, 10);
+
+ nvlist_free(dsprops);
+ free(dsname);
+ return (space);
+}
+
+static int
+print_snapshots(const char *dsname, struct printc *pc)
+{
+ nvpair_t *cur;
+ nvlist_t *props, *sprops;
+
+ if (be_prop_list_alloc(&props) != 0) {
+ fprintf(stderr, "bectl list: failed to allocate snapshot nvlist\n");
+ return (1);
+ }
+ if (be_get_dataset_snapshots(be, dsname, props) != 0) {
+ fprintf(stderr, "bectl list: failed to fetch boot ds snapshots\n");
+ return (1);
+ }
+ for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
+ cur = nvlist_next_nvpair(props, cur)) {
+ nvpair_value_nvlist(cur, &sprops);
+ print_info(nvpair_name(cur), sprops, pc);
+ }
+ return (0);
+}
+
+static void
+print_info(const char *name, nvlist_t *dsprops, struct printc *pc)
+{
+#define BUFSZ 64
+ char buf[BUFSZ];
+ unsigned long long ctimenum, space;
+ nvlist_t *originprops;
+ const char *oname;
+ char *dsname, *propstr;
+ int active_colsz;
+ boolean_t active_now, active_reboot;
+
+ dsname = NULL;
+ originprops = NULL;
+ printf("%*s%s", pc->current_indent, "", name);
+ nvlist_lookup_string(dsprops, "dataset", &dsname);
+
+ /* Recurse at the base level if we're breaking info down */
+ if (pc->current_indent == 0 && (pc->show_all_datasets ||
+ pc->show_snaps)) {
+ printf("\n");
+ if (dsname == NULL)
+ /* XXX TODO: Error? */
+ return;
+ /*
+ * Whether we're dealing with -a or -s, we'll always print the
+ * dataset name/information followed by its origin. For -s, we
+ * additionally iterate through all snapshots of this boot
+ * environment and also print their information.
+ */
+ pc->current_indent += INDENT_INCREMENT;
+ print_info(dsname, dsprops, pc);
+ pc->current_indent += INDENT_INCREMENT;
+ if ((oname = get_origin_props(dsprops, &originprops)) != NULL) {
+ print_info(oname, originprops, pc);
+ nvlist_free(originprops);
+ }
+
+ /* Back up a level; snapshots at the same level as dataset */
+ pc->current_indent -= INDENT_INCREMENT;
+ if (pc->show_snaps)
+ print_snapshots(dsname, pc);
+ pc->current_indent = 0;
+ return;
+ } else
+ print_padding(name, pc->be_colsz - pc->current_indent, pc);
+
+ active_colsz = pc->active_colsz_def;
+ if (nvlist_lookup_boolean_value(dsprops, "active",
+ &active_now) == 0 && active_now) {
+ printf("N");
+ active_colsz--;
+ }
+ if (nvlist_lookup_boolean_value(dsprops, "nextboot",
+ &active_reboot) == 0 && active_reboot) {
+ printf("R");
+ active_colsz--;
+ }
+ if (active_colsz == pc->active_colsz_def) {
+ printf("-");
+ active_colsz--;
+ }
+ print_padding(NULL, active_colsz, pc);
+ if (nvlist_lookup_string(dsprops, "mountpoint", &propstr) == 0){
+ printf("%s", propstr);
+ print_padding(propstr, pc->mount_colsz, pc);
+ } else {
+ printf("%s", "-");
+ print_padding("-", pc->mount_colsz, pc);
+ }
+
+ oname = get_origin_props(dsprops, &originprops);
+ if (nvlist_lookup_string(dsprops, "used", &propstr) == 0) {
+ /*
+ * The space used column is some composition of:
+ * - The "used" property of the dataset
+ * - The "used" property of the origin snapshot (not -a or -s)
+ * - The "used" property of the origin dataset (-D flag only)
+ *
+ * The -D flag is ignored if -a or -s are specified.
+ */
+ space = strtoull(propstr, NULL, 10);
+
+ if (!pc->show_all_datasets && !pc->show_snaps &&
+ originprops != NULL &&
+ nvlist_lookup_string(originprops, "used", &propstr) == 0)
+ space += strtoull(propstr, NULL, 10);
+
+ if (pc->show_space && oname != NULL)
+ space += dataset_space(oname);
+
+ /* Alas, there's more to it,. */
+ be_nicenum(space, buf, 6);
+ printf("%s", buf);
+ print_padding(buf, pc->space_colsz, pc);
+ } else {
+ printf("-");
+ print_padding("-", pc->space_colsz, pc);
+ }
+
+ if (nvlist_lookup_string(dsprops, "creation", &propstr) == 0) {
+ ctimenum = strtoull(propstr, NULL, 10);
+ strftime(buf, BUFSZ, "%Y-%m-%d %H:%M",
+ localtime((time_t *)&ctimenum));
+ printf("%s", buf);
+ }
+
+ printf("\n");
+ if (originprops != NULL)
+ be_prop_list_free(originprops);
+#undef BUFSZ
+}
+
+static void
+print_headers(nvlist_t *props, struct printc *pc)
+{
+ const char *chosen_be_header;
+ nvpair_t *cur;
+ nvlist_t *dsprops;
+ char *propstr;
+ size_t be_maxcol;
+
+ if (pc->show_all_datasets || pc->show_snaps)
+ chosen_be_header = HEADER_BEPLUS;
+ else
+ chosen_be_header = HEADER_BE;
+ be_maxcol = strlen(chosen_be_header);
+ for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
+ cur = nvlist_next_nvpair(props, cur)) {
+ be_maxcol = MAX(be_maxcol, strlen(nvpair_name(cur)));
+ if (!pc->show_all_datasets && !pc->show_snaps)
+ continue;
+ nvpair_value_nvlist(cur, &dsprops);
+ if (nvlist_lookup_string(dsprops, "dataset", &propstr) != 0)
+ continue;
+ be_maxcol = MAX(be_maxcol, strlen(propstr) + INDENT_INCREMENT);
+ if (nvlist_lookup_string(dsprops, "origin", &propstr) != 0)
+ continue;
+ be_maxcol = MAX(be_maxcol,
+ strlen(propstr) + INDENT_INCREMENT * 2);
+ }
+
+ pc->be_colsz = be_maxcol;
+ pc->active_colsz_def = strlen(HEADER_ACTIVE);
+ pc->mount_colsz = strlen(HEADER_MOUNT);
+ pc->space_colsz = strlen(HEADER_SPACE);
+ printf("%*s %s %s %s %s\n", -pc->be_colsz, chosen_be_header,
+ HEADER_ACTIVE, HEADER_MOUNT, HEADER_SPACE, HEADER_CREATED);
+
+ /*
+ * All other invocations in which we aren't using the default header
+ * will produce quite a bit of input. Throw an extra blank line after
+ * the header to make it look nicer.
+ */
+ if (chosen_be_header != HEADER_BE)
+ printf("\n");
+}
+
+int
+bectl_cmd_list(int argc, char *argv[])
+{
+ struct printc pc;
+ nvpair_t *cur;
+ nvlist_t *dsprops, *props;
+ int opt, printed;
+ boolean_t active_now, active_reboot;
+
+ props = NULL;
+ printed = 0;
+ bzero(&pc, sizeof(pc));
+ while ((opt = getopt(argc, argv, "aDHs")) != -1) {
+ switch (opt) {
+ case 'a':
+ pc.show_all_datasets = true;
+ break;
+ case 'D':
+ pc.show_space = true;
+ break;
+ case 'H':
+ pc.script_fmt = true;
+ break;
+ case 's':
+ pc.show_snaps = true;
+ break;
+ default:
+ fprintf(stderr, "bectl list: unknown option '-%c'\n",
+ optopt);
+ return (usage(false));
+ }
+ }
+
+ argc -= optind;
+
+ if (argc != 0) {
+ fprintf(stderr, "bectl list: extra argument provided\n");
+ return (usage(false));
+ }
+
+ if (be_prop_list_alloc(&props) != 0) {
+ fprintf(stderr, "bectl list: failed to allocate prop nvlist\n");
+ return (1);
+ }
+ if (be_get_bootenv_props(be, props) != 0) {
+ /* XXX TODO: Real errors */
+ fprintf(stderr, "bectl list: failed to fetch boot environments\n");
+ return (1);
+ }
+
+ /* Force -D off if either -a or -s are specified */
+ if (pc.show_all_datasets || pc.show_snaps)
+ pc.show_space = false;
+ if (!pc.script_fmt)
+ print_headers(props, &pc);
+ /* Do a first pass to print active and next active first */
+ for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
+ cur = nvlist_next_nvpair(props, cur)) {
+ nvpair_value_nvlist(cur, &dsprops);
+ active_now = active_reboot = false;
+
+ nvlist_lookup_boolean_value(dsprops, "active", &active_now);
+ nvlist_lookup_boolean_value(dsprops, "nextboot",
+ &active_reboot);
+ if (!active_now && !active_reboot)
+ continue;
+ if (printed > 0 && (pc.show_all_datasets || pc.show_snaps))
+ printf("\n");
+ print_info(nvpair_name(cur), dsprops, &pc);
+ printed++;
+ }
+
+ /* Now pull everything else */
+ for (cur = nvlist_next_nvpair(props, NULL); cur != NULL;
+ cur = nvlist_next_nvpair(props, cur)) {
+ nvpair_value_nvlist(cur, &dsprops);
+ active_now = active_reboot = false;
+
+ nvlist_lookup_boolean_value(dsprops, "active", &active_now);
+ nvlist_lookup_boolean_value(dsprops, "nextboot",
+ &active_reboot);
+ if (active_now || active_reboot)
+ continue;
+ if (printed > 0 && (pc.show_all_datasets || pc.show_snaps))
+ printf("\n");
+ print_info(nvpair_name(cur), dsprops, &pc);
+ printed++;
+ }
+ be_prop_list_free(props);
+
+ return (0);
+}
+
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