1072 lines
24 KiB
C
1072 lines
24 KiB
C
/*-
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* Copyright (c) 2004-2009 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/module.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <libutil.h>
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#include <inttypes.h>
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#include <dlfcn.h>
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#include <assert.h>
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#include <libgeom.h>
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#include <geom.h>
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#include "misc/subr.h"
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#ifdef STATIC_GEOM_CLASSES
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extern uint32_t gpart_version;
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extern struct g_command gpart_class_commands[];
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extern uint32_t glabel_version;
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extern struct g_command glabel_class_commands[];
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#endif
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static char comm[MAXPATHLEN], *class_name = NULL, *gclass_name = NULL;
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static uint32_t *version = NULL;
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static int verbose = 0;
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static struct g_command *class_commands = NULL;
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#define GEOM_CLASS_CMDS 0x01
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#define GEOM_STD_CMDS 0x02
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static struct g_command *find_command(const char *cmdstr, int flags);
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static int std_available(const char *name);
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static void std_help(struct gctl_req *req, unsigned flags);
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static void std_list(struct gctl_req *req, unsigned flags);
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static void std_status(struct gctl_req *req, unsigned flags);
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static void std_load(struct gctl_req *req, unsigned flags);
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static void std_unload(struct gctl_req *req, unsigned flags);
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struct g_command std_commands[] = {
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{ "help", 0, std_help, G_NULL_OPTS, NULL, NULL },
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{ "list", 0, std_list, G_NULL_OPTS, NULL,
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"[name ...]"
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},
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{ "status", 0, std_status,
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{
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{ 's', "script", NULL, G_TYPE_BOOL },
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G_OPT_SENTINEL
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},
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NULL, "[-s] [name ...]"
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},
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{ "load", G_FLAG_VERBOSE | G_FLAG_LOADKLD, std_load, G_NULL_OPTS,
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NULL, NULL },
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{ "unload", G_FLAG_VERBOSE, std_unload, G_NULL_OPTS, NULL, NULL },
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G_CMD_SENTINEL
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};
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static void
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usage_command(struct g_command *cmd, const char *prefix)
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{
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struct g_option *opt;
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unsigned i;
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if (cmd->gc_usage != NULL) {
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char *pos, *ptr, *sptr;
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sptr = ptr = strdup(cmd->gc_usage);
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while ((pos = strsep(&ptr, "\n")) != NULL) {
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if (*pos == '\0')
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continue;
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fprintf(stderr, "%s %s %s %s\n", prefix, comm,
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cmd->gc_name, pos);
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}
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free(sptr);
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return;
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}
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fprintf(stderr, "%s %s %s", prefix, comm, cmd->gc_name);
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if ((cmd->gc_flags & G_FLAG_VERBOSE) != 0)
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fprintf(stderr, " [-v]");
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for (i = 0; ; i++) {
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opt = &cmd->gc_options[i];
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if (opt->go_name == NULL)
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break;
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if (opt->go_val != NULL || G_OPT_TYPE(opt) == G_TYPE_BOOL)
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fprintf(stderr, " [");
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else
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fprintf(stderr, " ");
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fprintf(stderr, "-%c", opt->go_char);
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if (G_OPT_TYPE(opt) != G_TYPE_BOOL)
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fprintf(stderr, " %s", opt->go_name);
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if (opt->go_val != NULL || G_OPT_TYPE(opt) == G_TYPE_BOOL)
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fprintf(stderr, "]");
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}
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if (cmd->gc_argname)
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fprintf(stderr, " %s", cmd->gc_argname);
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fprintf(stderr, "\n");
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}
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static void
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usage(void)
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{
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if (class_name == NULL) {
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errx(EXIT_FAILURE, "usage: %s <class> <command> [options]",
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"geom");
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} else {
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struct g_command *cmd;
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const char *prefix;
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unsigned i;
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prefix = "usage:";
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if (class_commands != NULL) {
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for (i = 0; ; i++) {
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cmd = &class_commands[i];
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if (cmd->gc_name == NULL)
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break;
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usage_command(cmd, prefix);
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prefix = " ";
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}
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}
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for (i = 0; ; i++) {
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cmd = &std_commands[i];
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if (cmd->gc_name == NULL)
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break;
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/*
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* If class defines command, which has the same name as
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* standard command, skip it, because it was already
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* shown on usage().
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*/
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if (find_command(cmd->gc_name, GEOM_CLASS_CMDS) != NULL)
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continue;
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usage_command(cmd, prefix);
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prefix = " ";
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}
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exit(EXIT_FAILURE);
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}
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}
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static void
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load_module(void)
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{
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char name1[64], name2[64];
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snprintf(name1, sizeof(name1), "g_%s", class_name);
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snprintf(name2, sizeof(name2), "geom_%s", class_name);
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if (modfind(name1) < 0) {
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/* Not present in kernel, try loading it. */
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if (kldload(name2) < 0 || modfind(name1) < 0) {
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if (errno != EEXIST) {
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errx(EXIT_FAILURE,
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"%s module not available!", name2);
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}
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}
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}
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}
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static int
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strlcatf(char *str, size_t size, const char *format, ...)
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{
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size_t len;
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va_list ap;
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int ret;
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len = strlen(str);
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str += len;
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size -= len;
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va_start(ap, format);
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ret = vsnprintf(str, size, format, ap);
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va_end(ap);
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return (ret);
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}
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/*
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* Find given option in options available for given command.
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*/
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static struct g_option *
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find_option(struct g_command *cmd, char ch)
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{
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struct g_option *opt;
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unsigned i;
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for (i = 0; ; i++) {
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opt = &cmd->gc_options[i];
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if (opt->go_name == NULL)
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return (NULL);
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if (opt->go_char == ch)
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return (opt);
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}
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/* NOTREACHED */
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return (NULL);
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}
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/*
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* Add given option to gctl_req.
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*/
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static void
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set_option(struct gctl_req *req, struct g_option *opt, const char *val)
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{
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char *s;
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uint64_t number;
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if (G_OPT_TYPE(opt) == G_TYPE_NUMBER ||
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G_OPT_TYPE(opt) == G_TYPE_ASCNUM) {
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if (expand_number(val, &number) == -1) {
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err(EXIT_FAILURE, "Invalid value for '%c' argument.",
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opt->go_char);
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}
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if (G_OPT_TYPE(opt) == G_TYPE_NUMBER)
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opt->go_val = malloc(sizeof(intmax_t));
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else {
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asprintf(&s, "%jd", number);
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opt->go_val = s;
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}
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if (opt->go_val == NULL)
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errx(EXIT_FAILURE, "No memory.");
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if (G_OPT_TYPE(opt) == G_TYPE_NUMBER) {
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*(intmax_t *)opt->go_val = number;
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gctl_ro_param(req, opt->go_name, sizeof(intmax_t),
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opt->go_val);
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} else
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gctl_ro_param(req, opt->go_name, -1, opt->go_val);
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} else if (G_OPT_TYPE(opt) == G_TYPE_STRING) {
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gctl_ro_param(req, opt->go_name, -1, val);
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} else if (G_OPT_TYPE(opt) == G_TYPE_BOOL) {
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opt->go_val = malloc(sizeof(int));
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if (opt->go_val == NULL)
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errx(EXIT_FAILURE, "No memory.");
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*(int *)opt->go_val = *val - '0';
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gctl_ro_param(req, opt->go_name, sizeof(int), opt->go_val);
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} else {
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assert(!"Invalid type");
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}
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}
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/*
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* 1. Add given argument by caller.
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* 2. Add default values of not given arguments.
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* 3. Add the rest of arguments.
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*/
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static void
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parse_arguments(struct g_command *cmd, struct gctl_req *req, int *argc,
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char ***argv)
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{
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struct g_option *opt;
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char opts[64];
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unsigned i;
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int ch;
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*opts = '\0';
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if ((cmd->gc_flags & G_FLAG_VERBOSE) != 0)
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strlcat(opts, "v", sizeof(opts));
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for (i = 0; ; i++) {
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opt = &cmd->gc_options[i];
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if (opt->go_name == NULL)
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break;
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assert(G_OPT_TYPE(opt) != 0);
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assert((opt->go_type & ~G_TYPE_MASK) == 0);
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strlcatf(opts, sizeof(opts), "%c", opt->go_char);
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if (G_OPT_TYPE(opt) != G_TYPE_BOOL)
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strlcat(opts, ":", sizeof(opts));
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}
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/*
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* Add specified arguments.
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*/
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while ((ch = getopt(*argc, *argv, opts)) != -1) {
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/* Standard (not passed to kernel) options. */
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switch (ch) {
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case 'v':
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verbose = 1;
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continue;
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}
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/* Options passed to kernel. */
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opt = find_option(cmd, ch);
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if (opt == NULL)
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usage();
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if (G_OPT_ISDONE(opt)) {
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warnx("Option '%c' specified twice.", opt->go_char);
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usage();
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}
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G_OPT_DONE(opt);
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if (G_OPT_TYPE(opt) == G_TYPE_BOOL)
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set_option(req, opt, "1");
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else
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set_option(req, opt, optarg);
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}
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*argc -= optind;
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*argv += optind;
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/*
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* Add not specified arguments, but with default values.
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*/
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for (i = 0; ; i++) {
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opt = &cmd->gc_options[i];
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if (opt->go_name == NULL)
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break;
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if (G_OPT_ISDONE(opt))
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continue;
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if (G_OPT_TYPE(opt) == G_TYPE_BOOL) {
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assert(opt->go_val == NULL);
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set_option(req, opt, "0");
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} else {
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if (opt->go_val == NULL) {
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warnx("Option '%c' not specified.",
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opt->go_char);
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usage();
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} else {
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if (G_OPT_TYPE(opt) == G_TYPE_NUMBER) {
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gctl_ro_param(req, opt->go_name,
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sizeof(intmax_t), opt->go_val);
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} else if (G_OPT_TYPE(opt) == G_TYPE_STRING ||
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G_OPT_TYPE(opt) == G_TYPE_ASCNUM) {
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if (cmd->gc_argname == NULL ||
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opt->go_val == NULL ||
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*(char *)opt->go_val != '\0')
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gctl_ro_param(req, opt->go_name,
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-1, opt->go_val);
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} else {
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assert(!"Invalid type");
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}
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}
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}
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}
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if (cmd->gc_argname == NULL) {
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/*
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* Add rest of given arguments.
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*/
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gctl_ro_param(req, "nargs", sizeof(int), argc);
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for (i = 0; i < (unsigned)*argc; i++) {
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char argname[16];
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snprintf(argname, sizeof(argname), "arg%u", i);
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gctl_ro_param(req, argname, -1, (*argv)[i]);
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}
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} else {
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if (*argc != 1)
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usage();
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gctl_ro_param(req, cmd->gc_argname, -1, (*argv)[0]);
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}
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}
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/*
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* Find given command in commands available for given class.
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*/
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static struct g_command *
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find_command(const char *cmdstr, int flags)
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{
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struct g_command *cmd;
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unsigned i;
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/*
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* First try to find command defined by loaded library.
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*/
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if ((flags & GEOM_CLASS_CMDS) != 0 && class_commands != NULL) {
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for (i = 0; ; i++) {
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cmd = &class_commands[i];
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if (cmd->gc_name == NULL)
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break;
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if (strcmp(cmd->gc_name, cmdstr) == 0)
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return (cmd);
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}
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}
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/*
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* Now try to find in standard commands.
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*/
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if ((flags & GEOM_STD_CMDS) != 0) {
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for (i = 0; ; i++) {
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cmd = &std_commands[i];
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if (cmd->gc_name == NULL)
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break;
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if (strcmp(cmd->gc_name, cmdstr) == 0)
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return (cmd);
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}
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}
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return (NULL);
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}
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static unsigned
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set_flags(struct g_command *cmd)
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{
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unsigned flags = 0;
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if ((cmd->gc_flags & G_FLAG_VERBOSE) != 0 && verbose)
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flags |= G_FLAG_VERBOSE;
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return (flags);
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}
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/*
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* Run command.
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*/
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static void
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run_command(int argc, char *argv[])
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{
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struct g_command *cmd;
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struct gctl_req *req;
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const char *errstr;
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char buf[4096];
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/* First try to find a command defined by a class. */
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cmd = find_command(argv[0], GEOM_CLASS_CMDS);
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if (cmd == NULL) {
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/* Now, try to find a standard command. */
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cmd = find_command(argv[0], GEOM_STD_CMDS);
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if (cmd == NULL) {
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warnx("Unknown command: %s.", argv[0]);
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usage();
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}
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if (!std_available(cmd->gc_name)) {
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warnx("Command '%s' not available.", argv[0]);
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exit(EXIT_FAILURE);
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}
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}
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if ((cmd->gc_flags & G_FLAG_LOADKLD) != 0)
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load_module();
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req = gctl_get_handle();
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gctl_ro_param(req, "class", -1, gclass_name);
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gctl_ro_param(req, "verb", -1, argv[0]);
|
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if (version != NULL)
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gctl_ro_param(req, "version", sizeof(*version), version);
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parse_arguments(cmd, req, &argc, &argv);
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|
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bzero(buf, sizeof(buf));
|
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if (cmd->gc_func != NULL) {
|
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unsigned flags;
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|
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flags = set_flags(cmd);
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cmd->gc_func(req, flags);
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errstr = req->error;
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|
} else {
|
|
gctl_rw_param(req, "output", sizeof(buf), buf);
|
|
errstr = gctl_issue(req);
|
|
}
|
|
if (errstr != NULL && errstr[0] != '\0') {
|
|
warnx("%s", errstr);
|
|
if (strncmp(errstr, "warning: ", strlen("warning: ")) != 0) {
|
|
gctl_free(req);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
if (buf[0] != '\0')
|
|
printf("%s", buf);
|
|
gctl_free(req);
|
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if (verbose)
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printf("Done.\n");
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exit(EXIT_SUCCESS);
|
|
}
|
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|
|
#ifndef STATIC_GEOM_CLASSES
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static const char *
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library_path(void)
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|
{
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|
const char *path;
|
|
|
|
path = getenv("GEOM_LIBRARY_PATH");
|
|
if (path == NULL)
|
|
path = CLASS_DIR;
|
|
return (path);
|
|
}
|
|
|
|
static void
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|
load_library(void)
|
|
{
|
|
char *curpath, path[MAXPATHLEN], *tofree, *totalpath;
|
|
uint32_t *lib_version;
|
|
void *dlh;
|
|
int ret;
|
|
|
|
ret = 0;
|
|
tofree = totalpath = strdup(library_path());
|
|
if (totalpath == NULL)
|
|
err(EXIT_FAILURE, "Not enough memory for library path");
|
|
|
|
if (strchr(totalpath, ':') != NULL)
|
|
curpath = strsep(&totalpath, ":");
|
|
else
|
|
curpath = totalpath;
|
|
/* Traverse the paths to find one that contains the library we want. */
|
|
while (curpath != NULL) {
|
|
snprintf(path, sizeof(path), "%s/geom_%s.so", curpath,
|
|
class_name);
|
|
ret = access(path, F_OK);
|
|
if (ret == -1) {
|
|
if (errno == ENOENT) {
|
|
/*
|
|
* If we cannot find library, try the next
|
|
* path.
|
|
*/
|
|
curpath = strsep(&totalpath, ":");
|
|
continue;
|
|
}
|
|
err(EXIT_FAILURE, "Cannot access library");
|
|
}
|
|
break;
|
|
}
|
|
free(tofree);
|
|
/* No library was found, but standard commands can still be used */
|
|
if (ret == -1)
|
|
return;
|
|
dlh = dlopen(path, RTLD_NOW);
|
|
if (dlh == NULL)
|
|
errx(EXIT_FAILURE, "Cannot open library: %s.", dlerror());
|
|
lib_version = dlsym(dlh, "lib_version");
|
|
if (lib_version == NULL) {
|
|
warnx("Cannot find symbol %s: %s.", "lib_version", dlerror());
|
|
dlclose(dlh);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (*lib_version != G_LIB_VERSION) {
|
|
dlclose(dlh);
|
|
errx(EXIT_FAILURE, "%s and %s are not synchronized.",
|
|
getprogname(), path);
|
|
}
|
|
version = dlsym(dlh, "version");
|
|
if (version == NULL) {
|
|
warnx("Cannot find symbol %s: %s.", "version", dlerror());
|
|
dlclose(dlh);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
class_commands = dlsym(dlh, "class_commands");
|
|
if (class_commands == NULL) {
|
|
warnx("Cannot find symbol %s: %s.", "class_commands",
|
|
dlerror());
|
|
dlclose(dlh);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
#endif /* !STATIC_GEOM_CLASSES */
|
|
|
|
/*
|
|
* Class name should be all capital letters.
|
|
*/
|
|
static void
|
|
set_class_name(void)
|
|
{
|
|
char *s1, *s2;
|
|
|
|
s1 = class_name;
|
|
for (; *s1 != '\0'; s1++)
|
|
*s1 = tolower(*s1);
|
|
gclass_name = malloc(strlen(class_name) + 1);
|
|
if (gclass_name == NULL)
|
|
errx(EXIT_FAILURE, "No memory");
|
|
s1 = gclass_name;
|
|
s2 = class_name;
|
|
for (; *s2 != '\0'; s2++)
|
|
*s1++ = toupper(*s2);
|
|
*s1 = '\0';
|
|
}
|
|
|
|
static void
|
|
get_class(int *argc, char ***argv)
|
|
{
|
|
|
|
snprintf(comm, sizeof(comm), "%s", basename((*argv)[0]));
|
|
if (strcmp(comm, "geom") == 0) {
|
|
if (*argc < 2)
|
|
usage();
|
|
else if (*argc == 2) {
|
|
if (strcmp((*argv)[1], "-h") == 0 ||
|
|
strcmp((*argv)[1], "help") == 0) {
|
|
usage();
|
|
}
|
|
}
|
|
strlcatf(comm, sizeof(comm), " %s", (*argv)[1]);
|
|
class_name = (*argv)[1];
|
|
*argc -= 2;
|
|
*argv += 2;
|
|
} else if (*comm == 'g') {
|
|
class_name = comm + 1;
|
|
*argc -= 1;
|
|
*argv += 1;
|
|
} else {
|
|
errx(EXIT_FAILURE, "Invalid utility name.");
|
|
}
|
|
|
|
#ifndef STATIC_GEOM_CLASSES
|
|
load_library();
|
|
#else
|
|
if (!strcasecmp(class_name, "part")) {
|
|
version = &gpart_version;
|
|
class_commands = gpart_class_commands;
|
|
} else if (!strcasecmp(class_name, "label")) {
|
|
version = &glabel_version;
|
|
class_commands = glabel_class_commands;
|
|
} else
|
|
errx(EXIT_FAILURE, "Invalid class name.");
|
|
#endif /* !STATIC_GEOM_CLASSES */
|
|
|
|
set_class_name();
|
|
if (*argc < 1)
|
|
usage();
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
|
|
get_class(&argc, &argv);
|
|
run_command(argc, argv);
|
|
/* NOTREACHED */
|
|
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
static struct gclass *
|
|
find_class(struct gmesh *mesh, const char *name)
|
|
{
|
|
struct gclass *classp;
|
|
|
|
LIST_FOREACH(classp, &mesh->lg_class, lg_class) {
|
|
if (strcmp(classp->lg_name, name) == 0)
|
|
return (classp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static struct ggeom *
|
|
find_geom(struct gclass *classp, const char *name)
|
|
{
|
|
struct ggeom *gp;
|
|
|
|
LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
|
|
if (strcmp(gp->lg_name, name) == 0)
|
|
return (gp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static void
|
|
list_one_provider(struct gprovider *pp, const char *prefix)
|
|
{
|
|
struct gconfig *conf;
|
|
char buf[5];
|
|
|
|
printf("Name: %s\n", pp->lg_name);
|
|
humanize_number(buf, sizeof(buf), (int64_t)pp->lg_mediasize, "",
|
|
HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
|
|
printf("%sMediasize: %jd (%s)\n", prefix, (intmax_t)pp->lg_mediasize,
|
|
buf);
|
|
printf("%sSectorsize: %u\n", prefix, pp->lg_sectorsize);
|
|
if (pp->lg_stripesize > 0 || pp->lg_stripeoffset > 0) {
|
|
printf("%sStripesize: %ju\n", prefix, pp->lg_stripesize);
|
|
printf("%sStripeoffset: %ju\n", prefix, pp->lg_stripeoffset);
|
|
}
|
|
printf("%sMode: %s\n", prefix, pp->lg_mode);
|
|
LIST_FOREACH(conf, &pp->lg_config, lg_config) {
|
|
printf("%s%s: %s\n", prefix, conf->lg_name, conf->lg_val);
|
|
}
|
|
}
|
|
|
|
static void
|
|
list_one_consumer(struct gconsumer *cp, const char *prefix)
|
|
{
|
|
struct gprovider *pp;
|
|
struct gconfig *conf;
|
|
|
|
pp = cp->lg_provider;
|
|
if (pp == NULL)
|
|
printf("[no provider]\n");
|
|
else {
|
|
char buf[5];
|
|
|
|
printf("Name: %s\n", pp->lg_name);
|
|
humanize_number(buf, sizeof(buf), (int64_t)pp->lg_mediasize, "",
|
|
HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
|
|
printf("%sMediasize: %jd (%s)\n", prefix,
|
|
(intmax_t)pp->lg_mediasize, buf);
|
|
printf("%sSectorsize: %u\n", prefix, pp->lg_sectorsize);
|
|
if (pp->lg_stripesize > 0 || pp->lg_stripeoffset > 0) {
|
|
printf("%sStripesize: %ju\n", prefix, pp->lg_stripesize);
|
|
printf("%sStripeoffset: %ju\n", prefix, pp->lg_stripeoffset);
|
|
}
|
|
printf("%sMode: %s\n", prefix, cp->lg_mode);
|
|
}
|
|
LIST_FOREACH(conf, &cp->lg_config, lg_config) {
|
|
printf("%s%s: %s\n", prefix, conf->lg_name, conf->lg_val);
|
|
}
|
|
}
|
|
|
|
static void
|
|
list_one_geom(struct ggeom *gp)
|
|
{
|
|
struct gprovider *pp;
|
|
struct gconsumer *cp;
|
|
struct gconfig *conf;
|
|
unsigned n;
|
|
|
|
printf("Geom name: %s\n", gp->lg_name);
|
|
LIST_FOREACH(conf, &gp->lg_config, lg_config) {
|
|
printf("%s: %s\n", conf->lg_name, conf->lg_val);
|
|
}
|
|
if (!LIST_EMPTY(&gp->lg_provider)) {
|
|
printf("Providers:\n");
|
|
n = 1;
|
|
LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
|
|
printf("%u. ", n++);
|
|
list_one_provider(pp, " ");
|
|
}
|
|
}
|
|
if (!LIST_EMPTY(&gp->lg_consumer)) {
|
|
printf("Consumers:\n");
|
|
n = 1;
|
|
LIST_FOREACH(cp, &gp->lg_consumer, lg_consumer) {
|
|
printf("%u. ", n++);
|
|
list_one_consumer(cp, " ");
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
static void
|
|
std_help(struct gctl_req *req __unused, unsigned flags __unused)
|
|
{
|
|
|
|
usage();
|
|
}
|
|
|
|
static int
|
|
std_list_available(void)
|
|
{
|
|
struct gmesh mesh;
|
|
struct gclass *classp;
|
|
int error;
|
|
|
|
error = geom_gettree(&mesh);
|
|
if (error != 0)
|
|
errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
|
|
classp = find_class(&mesh, gclass_name);
|
|
geom_deletetree(&mesh);
|
|
if (classp != NULL)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
std_list(struct gctl_req *req, unsigned flags __unused)
|
|
{
|
|
struct gmesh mesh;
|
|
struct gclass *classp;
|
|
struct ggeom *gp;
|
|
const char *name;
|
|
int error, i, nargs;
|
|
|
|
error = geom_gettree(&mesh);
|
|
if (error != 0)
|
|
errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
|
|
classp = find_class(&mesh, gclass_name);
|
|
if (classp == NULL) {
|
|
geom_deletetree(&mesh);
|
|
errx(EXIT_FAILURE, "Class %s not found.", gclass_name);
|
|
}
|
|
nargs = gctl_get_int(req, "nargs");
|
|
if (nargs > 0) {
|
|
for (i = 0; i < nargs; i++) {
|
|
name = gctl_get_ascii(req, "arg%d", i);
|
|
gp = find_geom(classp, name);
|
|
if (gp != NULL)
|
|
list_one_geom(gp);
|
|
else
|
|
errx(EXIT_FAILURE, "No such geom: %s.", name);
|
|
}
|
|
} else {
|
|
LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
|
|
if (LIST_EMPTY(&gp->lg_provider))
|
|
continue;
|
|
list_one_geom(gp);
|
|
}
|
|
}
|
|
geom_deletetree(&mesh);
|
|
}
|
|
|
|
static int
|
|
std_status_available(void)
|
|
{
|
|
|
|
/* 'status' command is available when 'list' command is. */
|
|
return (std_list_available());
|
|
}
|
|
|
|
static void
|
|
status_update_len(struct ggeom *gp, int *name_len, int *status_len)
|
|
{
|
|
struct gprovider *pp;
|
|
struct gconfig *conf;
|
|
int len;
|
|
|
|
assert(gp != NULL);
|
|
assert(name_len != NULL);
|
|
assert(status_len != NULL);
|
|
|
|
pp = LIST_FIRST(&gp->lg_provider);
|
|
if (pp != NULL)
|
|
len = strlen(pp->lg_name);
|
|
else
|
|
len = strlen(gp->lg_name);
|
|
if (*name_len < len)
|
|
*name_len = len;
|
|
LIST_FOREACH(conf, &gp->lg_config, lg_config) {
|
|
if (strcasecmp(conf->lg_name, "state") == 0) {
|
|
len = strlen(conf->lg_val);
|
|
if (*status_len < len)
|
|
*status_len = len;
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *
|
|
status_one_consumer(struct gconsumer *cp)
|
|
{
|
|
static char buf[256];
|
|
struct gprovider *pp;
|
|
struct gconfig *conf;
|
|
|
|
pp = cp->lg_provider;
|
|
if (pp == NULL)
|
|
return (NULL);
|
|
LIST_FOREACH(conf, &cp->lg_config, lg_config) {
|
|
if (strcasecmp(conf->lg_name, "synchronized") == 0)
|
|
break;
|
|
}
|
|
if (conf == NULL)
|
|
snprintf(buf, sizeof(buf), "%s", pp->lg_name);
|
|
else {
|
|
snprintf(buf, sizeof(buf), "%s (%s)", pp->lg_name,
|
|
conf->lg_val);
|
|
}
|
|
return (buf);
|
|
}
|
|
|
|
static void
|
|
status_one_geom(struct ggeom *gp, int script, int name_len, int status_len)
|
|
{
|
|
struct gprovider *pp;
|
|
struct gconsumer *cp;
|
|
struct gconfig *conf;
|
|
const char *name, *status, *component;
|
|
int gotone;
|
|
|
|
pp = LIST_FIRST(&gp->lg_provider);
|
|
if (pp != NULL)
|
|
name = pp->lg_name;
|
|
else
|
|
name = gp->lg_name;
|
|
LIST_FOREACH(conf, &gp->lg_config, lg_config) {
|
|
if (strcasecmp(conf->lg_name, "state") == 0)
|
|
break;
|
|
}
|
|
if (conf == NULL)
|
|
status = "N/A";
|
|
else
|
|
status = conf->lg_val;
|
|
gotone = 0;
|
|
LIST_FOREACH(cp, &gp->lg_consumer, lg_consumer) {
|
|
component = status_one_consumer(cp);
|
|
if (component == NULL)
|
|
continue;
|
|
gotone = 1;
|
|
printf("%*s %*s %s\n", name_len, name, status_len, status,
|
|
component);
|
|
if (!script)
|
|
name = status = "";
|
|
}
|
|
if (!gotone) {
|
|
printf("%*s %*s %s\n", name_len, name, status_len, status,
|
|
"N/A");
|
|
}
|
|
}
|
|
|
|
static void
|
|
std_status(struct gctl_req *req, unsigned flags __unused)
|
|
{
|
|
struct gmesh mesh;
|
|
struct gclass *classp;
|
|
struct ggeom *gp;
|
|
const char *name;
|
|
int name_len, status_len;
|
|
int error, i, n, nargs, script;
|
|
|
|
error = geom_gettree(&mesh);
|
|
if (error != 0)
|
|
errc(EXIT_FAILURE, error, "Cannot get GEOM tree");
|
|
classp = find_class(&mesh, gclass_name);
|
|
if (classp == NULL)
|
|
errx(EXIT_FAILURE, "Class %s not found.", gclass_name);
|
|
nargs = gctl_get_int(req, "nargs");
|
|
script = gctl_get_int(req, "script");
|
|
name_len = strlen("Name");
|
|
status_len = strlen("Status");
|
|
if (nargs > 0) {
|
|
for (i = 0, n = 0; i < nargs; i++) {
|
|
name = gctl_get_ascii(req, "arg%d", i);
|
|
gp = find_geom(classp, name);
|
|
if (gp == NULL)
|
|
errx(EXIT_FAILURE, "No such geom: %s.", name);
|
|
else {
|
|
status_update_len(gp, &name_len, &status_len);
|
|
n++;
|
|
}
|
|
}
|
|
if (n == 0)
|
|
goto end;
|
|
} else {
|
|
n = 0;
|
|
LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
|
|
if (LIST_EMPTY(&gp->lg_provider))
|
|
continue;
|
|
status_update_len(gp, &name_len, &status_len);
|
|
n++;
|
|
}
|
|
if (n == 0)
|
|
goto end;
|
|
}
|
|
if (!script) {
|
|
printf("%*s %*s %s\n", name_len, "Name", status_len, "Status",
|
|
"Components");
|
|
}
|
|
if (nargs > 0) {
|
|
for (i = 0; i < nargs; i++) {
|
|
name = gctl_get_ascii(req, "arg%d", i);
|
|
gp = find_geom(classp, name);
|
|
if (gp != NULL) {
|
|
status_one_geom(gp, script, name_len,
|
|
status_len);
|
|
}
|
|
}
|
|
} else {
|
|
LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
|
|
if (LIST_EMPTY(&gp->lg_provider))
|
|
continue;
|
|
status_one_geom(gp, script, name_len, status_len);
|
|
}
|
|
}
|
|
end:
|
|
geom_deletetree(&mesh);
|
|
}
|
|
|
|
static int
|
|
std_load_available(void)
|
|
{
|
|
char name[MAXPATHLEN], paths[MAXPATHLEN * 8], *p;
|
|
struct stat sb;
|
|
size_t len;
|
|
|
|
snprintf(name, sizeof(name), "g_%s", class_name);
|
|
/*
|
|
* If already in kernel, "load" command is not available.
|
|
*/
|
|
if (modfind(name) >= 0)
|
|
return (0);
|
|
bzero(paths, sizeof(paths));
|
|
len = sizeof(paths);
|
|
if (sysctlbyname("kern.module_path", paths, &len, NULL, 0) < 0)
|
|
err(EXIT_FAILURE, "sysctl(kern.module_path)");
|
|
for (p = strtok(paths, ";"); p != NULL; p = strtok(NULL, ";")) {
|
|
snprintf(name, sizeof(name), "%s/geom_%s.ko", p, class_name);
|
|
/*
|
|
* If geom_<name>.ko file exists, "load" command is available.
|
|
*/
|
|
if (stat(name, &sb) == 0)
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
std_load(struct gctl_req *req __unused, unsigned flags)
|
|
{
|
|
|
|
/*
|
|
* Do nothing special here, because of G_FLAG_LOADKLD flag,
|
|
* module is already loaded.
|
|
*/
|
|
if ((flags & G_FLAG_VERBOSE) != 0)
|
|
printf("Module available.\n");
|
|
}
|
|
|
|
static int
|
|
std_unload_available(void)
|
|
{
|
|
char name[64];
|
|
int id;
|
|
|
|
snprintf(name, sizeof(name), "geom_%s", class_name);
|
|
id = kldfind(name);
|
|
if (id >= 0)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
std_unload(struct gctl_req *req, unsigned flags __unused)
|
|
{
|
|
char name[64];
|
|
int id;
|
|
|
|
snprintf(name, sizeof(name), "geom_%s", class_name);
|
|
id = kldfind(name);
|
|
if (id < 0) {
|
|
gctl_error(req, "Could not find module: %s.", strerror(errno));
|
|
return;
|
|
}
|
|
if (kldunload(id) < 0) {
|
|
gctl_error(req, "Could not unload module: %s.",
|
|
strerror(errno));
|
|
return;
|
|
}
|
|
}
|
|
|
|
static int
|
|
std_available(const char *name)
|
|
{
|
|
|
|
if (strcmp(name, "help") == 0)
|
|
return (1);
|
|
else if (strcmp(name, "list") == 0)
|
|
return (std_list_available());
|
|
else if (strcmp(name, "status") == 0)
|
|
return (std_status_available());
|
|
else if (strcmp(name, "load") == 0)
|
|
return (std_load_available());
|
|
else if (strcmp(name, "unload") == 0)
|
|
return (std_unload_available());
|
|
else
|
|
assert(!"Unknown standard command.");
|
|
return (0);
|
|
}
|