759 lines
18 KiB
C
759 lines
18 KiB
C
/*
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* Copyright (c) 2004 Lukas Ertl
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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 AUTHOR 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 AUTHOR 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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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/lock.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/queue.h>
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#include <sys/utsname.h>
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#include <geom/vinum/geom_vinum_var.h>
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#include <geom/vinum/geom_vinum_share.h>
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#include <ctype.h>
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#include <err.h>
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#include <libgeom.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <paths.h>
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#include <readline/readline.h>
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#include <readline/history.h>
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#include <unistd.h>
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#include "gvinum.h"
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void gvinum_cancelinit(int, char **);
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void gvinum_create(int, char **);
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void gvinum_help(void);
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void gvinum_init(int, char **);
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void gvinum_list(int, char **);
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void gvinum_printconfig(int, char **);
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void gvinum_rm(int, char **);
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void gvinum_saveconfig(void);
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void gvinum_start(int, char **);
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void gvinum_stop(int, char **);
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void parseline(int, char **);
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void printconfig(FILE *, char *);
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int
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main(int argc, char **argv)
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{
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int line, tokens;
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char buffer[BUFSIZ], *inputline, *token[GV_MAXARGS];
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/* Load the module if necessary. */
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if (kldfind(GVINUMMOD) < 0 && kldload(GVINUMMOD) < 0)
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err(1, GVINUMMOD ": Kernel module not available");
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/* Arguments given on the command line. */
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if (argc > 1) {
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argc--;
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argv++;
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parseline(argc, argv);
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/* Interactive mode. */
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} else {
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for (;;) {
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inputline = readline("gvinum -> ");
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if (inputline == NULL) {
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if (ferror(stdin)) {
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err(1, "can't read input");
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} else {
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printf("\n");
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exit(0);
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}
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} else if (*inputline) {
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add_history(inputline);
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strcpy(buffer, inputline);
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free(inputline);
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line++; /* count the lines */
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tokens = gv_tokenize(buffer, token, GV_MAXARGS);
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if (tokens)
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parseline(tokens, token);
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}
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}
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}
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exit(0);
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}
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void
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gvinum_cancelinit(int argc, char **argv)
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{
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struct gctl_req *req;
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int i;
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const char *errstr;
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char buf[20];
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if (argc == 1)
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return;
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argc--;
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argv++;
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req = gctl_get_handle();
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gctl_ro_param(req, "class", -1, "VINUM");
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gctl_ro_param(req, "verb", -1, "cancelinit");
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gctl_ro_param(req, "argc", sizeof(int), &argc);
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if (argc) {
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for (i = 0; i < argc; i++) {
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snprintf(buf, sizeof(buf), "argv%d", i);
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gctl_ro_param(req, buf, -1, argv[i]);
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}
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}
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errstr = gctl_issue(req);
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if (errstr != NULL) {
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warnx("can't init: %s", errstr);
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gctl_free(req);
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return;
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}
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gctl_free(req);
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gvinum_list(0, NULL);
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}
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void
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gvinum_create(int argc, char **argv)
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{
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struct gctl_req *req;
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struct gv_drive *d;
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struct gv_plex *p;
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struct gv_sd *s;
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struct gv_volume *v;
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FILE *tmp;
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int drives, errors, fd, line, plexes, plex_in_volume;
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int sd_in_plex, status, subdisks, tokens, volumes;
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const char *errstr;
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char buf[BUFSIZ], buf1[BUFSIZ], commandline[BUFSIZ], *ed;
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char original[BUFSIZ], tmpfile[20], *token[GV_MAXARGS];
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char plex[GV_MAXPLEXNAME], volume[GV_MAXVOLNAME];
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snprintf(tmpfile, sizeof(tmpfile), "/tmp/gvinum.XXXXXX");
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if ((fd = mkstemp(tmpfile)) == -1) {
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warn("temporary file not accessible");
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return;
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}
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if ((tmp = fdopen(fd, "w")) == NULL) {
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warn("can't open '%s' for writing", tmpfile);
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return;
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}
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printconfig(tmp, "# ");
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fclose(tmp);
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ed = getenv("EDITOR");
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if (ed == NULL)
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ed = _PATH_VI;
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snprintf(commandline, sizeof(commandline), "%s %s", ed, tmpfile);
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status = system(commandline);
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if (status != 0) {
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warn("couldn't exec %s; status: %d", ed, status);
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return;
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}
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if ((tmp = fopen(tmpfile, "r")) == NULL) {
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warn("can't open '%s' for reading", tmpfile);
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}
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req = gctl_get_handle();
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gctl_ro_param(req, "class", -1, "VINUM");
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gctl_ro_param(req, "verb", -1, "create");
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drives = volumes = plexes = subdisks = 0;
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plex_in_volume = sd_in_plex = 0;
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errors = 0;
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line = 1;
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while ((fgets(buf, BUFSIZ, tmp)) != NULL) {
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/* Skip empty lines and comments. */
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if (*buf == '\0' || *buf == '#') {
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line++;
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continue;
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}
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/* Kill off the newline. */
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buf[strlen(buf) - 1] = '\0';
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/*
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* Copy the original input line in case we need it for error
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* output.
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*/
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strncpy(original, buf, sizeof(buf));
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tokens = gv_tokenize(buf, token, GV_MAXARGS);
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if (tokens > 0) {
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/* Volume definition. */
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if (!strcmp(token[0], "volume")) {
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v = gv_new_volume(tokens, token);
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if (v == NULL) {
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warnx("line %d: invalid volume "
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"definition", line);
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warnx("line %d: '%s'", line, original);
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errors++;
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} else {
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/* Reset plex count for this volume. */
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plex_in_volume = 0;
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/*
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* Set default volume name for
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* following plex definitions.
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*/
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strncpy(volume, v->name,
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sizeof(volume));
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snprintf(buf1, sizeof(buf1), "volume%d",
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volumes);
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gctl_ro_param(req, buf1, sizeof(*v), v);
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volumes++;
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}
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/* Plex definition. */
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} else if (!strcmp(token[0], "plex")) {
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p = gv_new_plex(tokens, token);
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if (p == NULL) {
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warnx("line %d: invalid plex "
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"definition", line);
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warnx("line %d: '%s'", line, original);
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errors++;
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} else {
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/* Reset subdisk count for this plex. */
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sd_in_plex = 0;
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/* Default name. */
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if (strlen(p->name) == 0) {
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snprintf(p->name,
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GV_MAXPLEXNAME,
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"%s.p%d", volume,
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plex_in_volume++);
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}
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/* Default volume. */
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if (strlen(p->volume) == 0) {
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snprintf(p->volume,
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GV_MAXVOLNAME, "%s",
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volume);
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}
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/*
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* Set default plex name for following
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* subdisk definitions.
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*/
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strncpy(plex, p->name, GV_MAXPLEXNAME);
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snprintf(buf1, sizeof(buf1), "plex%d",
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plexes);
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gctl_ro_param(req, buf1, sizeof(*p), p);
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plexes++;
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}
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/* Subdisk definition. */
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} else if (!strcmp(token[0], "sd")) {
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s = gv_new_sd(tokens, token);
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if (s == NULL) {
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warnx("line %d: invalid subdisk "
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"definition:", line);
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warnx("line %d: '%s'", line, original);
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errors++;
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} else {
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/* Default name. */
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if (strlen(s->name) == 0) {
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snprintf(s->name, GV_MAXSDNAME,
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"%s.s%d", plex,
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sd_in_plex++);
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}
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/* Default plex. */
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if (strlen(s->plex) == 0) {
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snprintf(s->plex,
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GV_MAXPLEXNAME, "%s", plex);
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}
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snprintf(buf1, sizeof(buf1), "sd%d",
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subdisks);
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gctl_ro_param(req, buf1, sizeof(*s), s);
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subdisks++;
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}
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/* Subdisk definition. */
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} else if (!strcmp(token[0], "drive")) {
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d = gv_new_drive(tokens, token);
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if (d == NULL) {
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warnx("line %d: invalid drive "
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"definition:", line);
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warnx("line %d: '%s'", line, original);
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errors++;
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} else {
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snprintf(buf1, sizeof(buf1), "drive%d",
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drives);
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gctl_ro_param(req, buf1, sizeof(*d), d);
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drives++;
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}
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/* Everything else is bogus. */
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} else {
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warnx("line %d: invalid definition:", line);
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warnx("line %d: '%s'", line, original);
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errors++;
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}
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}
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line++;
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}
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fclose(tmp);
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unlink(tmpfile);
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if (!errors && (volumes || plexes || subdisks || drives)) {
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gctl_ro_param(req, "volumes", sizeof(int), &volumes);
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gctl_ro_param(req, "plexes", sizeof(int), &plexes);
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gctl_ro_param(req, "subdisks", sizeof(int), &subdisks);
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gctl_ro_param(req, "drives", sizeof(int), &drives);
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errstr = gctl_issue(req);
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if (errstr != NULL)
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warnx("create failed: %s", errstr);
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}
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gctl_free(req);
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gvinum_list(0, NULL);
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}
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void
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gvinum_help(void)
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{
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printf("COMMANDS\n"
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"attach plex volume [rename]\n"
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"attach subdisk plex [offset] [rename]\n"
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" Attach a plex to a volume, or a subdisk to a plex.\n"
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"checkparity plex [-f] [-v]\n"
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" Check the parity blocks of a RAID-4 or RAID-5 plex.\n"
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"concat [-f] [-n name] [-v] drives\n"
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" Create a concatenated volume from the specified drives.\n"
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"create [-f] description-file\n"
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" Create a volume as described in description-file.\n"
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"detach [-f] [plex | subdisk]\n"
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" Detach a plex or subdisk from the volume or plex to"
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"which it is\n"
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" attached.\n"
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"dumpconfig [drive ...]\n"
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" List the configuration information stored on the"
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" specified\n"
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" drives, or all drives in the system if no drive names"
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" are speci-\n"
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" fied.\n"
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"info [-v] [-V]\n"
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" List information about volume manager state.\n"
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"init [-S size] [-w] plex | subdisk\n"
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" Initialize the contents of a subdisk or all the subdisks"
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" of a\n"
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" plex to all zeros.\n"
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"label volume\n"
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" Create a volume label.\n"
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"l | list [-r] [-s] [-v] [-V] [volume | plex | subdisk]\n"
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" List information about specified objects.\n"
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"ld [-r] [-s] [-v] [-V] [volume]\n"
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" List information about drives.\n"
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"ls [-r] [-s] [-v] [-V] [subdisk]\n"
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" List information about subdisks.\n"
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"lp [-r] [-s] [-v] [-V] [plex]\n"
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" List information about plexes.\n"
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"lv [-r] [-s] [-v] [-V] [volume]\n"
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" List information about volumes.\n"
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"mirror [-f] [-n name] [-s] [-v] drives\n"
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" Create a mirrored volume from the specified drives.\n"
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"move | mv -f drive object ...\n"
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" Move the object(s) to the specified drive.\n"
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"printconfig [file]\n"
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" Write a copy of the current configuration to file.\n"
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"quit Exit the vinum program when running in interactive mode."
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" Nor-\n"
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" mally this would be done by entering the EOF character.\n"
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"rename [-r] [drive | subdisk | plex | volume] newname\n"
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" Change the name of the specified object.\n"
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"rebuildparity plex [-f] [-v] [-V]\n"
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" Rebuild the parity blocks of a RAID-4 or RAID-5 plex.\n"
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"resetconfig\n"
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" Reset the complete vinum configuration.\n"
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"rm [-f] [-r] volume | plex | subdisk\n"
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" Remove an object.\n"
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"saveconfig\n"
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" Save vinum configuration to disk after configuration"
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" failures.\n"
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"setstate state [volume | plex | subdisk | drive]\n"
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" Set state without influencing other objects, for"
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" diagnostic pur-\n"
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" poses only.\n"
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"start [-i interval] [-S size] [-w] volume | plex | subdisk\n"
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" Allow the system to access the objects.\n"
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"stop [-f] [volume | plex | subdisk]\n"
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" Terminate access to the objects, or stop vinum if no"
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" parameters\n"
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" are specified.\n"
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"stripe [-f] [-n name] [-v] drives\n"
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" Create a striped volume from the specified drives.\n"
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);
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return;
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}
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void
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gvinum_init(int argc, char **argv)
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{
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struct gctl_req *req;
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int i, initsize, j;
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const char *errstr;
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char buf[20];
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initsize = 0;
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optreset = 1;
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optind = 1;
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while ((j = getopt(argc, argv, "S")) != -1) {
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switch (j) {
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case 'S':
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initsize = atoi(optarg);
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break;
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case '?':
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default:
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return;
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}
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}
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argc -= optind;
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argv += optind;
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if (!initsize)
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initsize = 512;
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req = gctl_get_handle();
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gctl_ro_param(req, "class", -1, "VINUM");
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gctl_ro_param(req, "verb", -1, "init");
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gctl_ro_param(req, "argc", sizeof(int), &argc);
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gctl_ro_param(req, "initsize", sizeof(int), &initsize);
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if (argc) {
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for (i = 0; i < argc; i++) {
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snprintf(buf, sizeof(buf), "argv%d", i);
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gctl_ro_param(req, buf, -1, argv[i]);
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}
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}
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errstr = gctl_issue(req);
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if (errstr != NULL) {
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warnx("can't init: %s", errstr);
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gctl_free(req);
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return;
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}
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gctl_free(req);
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gvinum_list(0, NULL);
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}
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void
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gvinum_list(int argc, char **argv)
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{
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struct gctl_req *req;
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int flags, i, j;
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const char *errstr;
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char buf[20], *cmd, config[GV_CFG_LEN + 1];
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flags = 0;
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cmd = "list";
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if (argc) {
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optreset = 1;
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optind = 1;
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cmd = argv[0];
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while ((j = getopt(argc, argv, "rsvV")) != -1) {
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switch (j) {
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case 'r':
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flags |= GV_FLAG_R;
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break;
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case 's':
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flags |= GV_FLAG_S;
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break;
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case 'v':
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flags |= GV_FLAG_V;
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break;
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case 'V':
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flags |= GV_FLAG_V;
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flags |= GV_FLAG_VV;
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break;
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case '?':
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default:
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return;
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}
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}
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argc -= optind;
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argv += optind;
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}
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req = gctl_get_handle();
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gctl_ro_param(req, "class", -1, "VINUM");
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gctl_ro_param(req, "verb", -1, "list");
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gctl_ro_param(req, "cmd", -1, cmd);
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gctl_ro_param(req, "argc", sizeof(int), &argc);
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gctl_ro_param(req, "flags", sizeof(int), &flags);
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gctl_rw_param(req, "config", sizeof(config), config);
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if (argc) {
|
|
for (i = 0; i < argc; i++) {
|
|
snprintf(buf, sizeof(buf), "argv%d", i);
|
|
gctl_ro_param(req, buf, -1, argv[i]);
|
|
}
|
|
}
|
|
errstr = gctl_issue(req);
|
|
if (errstr != NULL) {
|
|
warnx("can't get configuration: %s", errstr);
|
|
gctl_free(req);
|
|
return;
|
|
}
|
|
|
|
printf("%s", config);
|
|
gctl_free(req);
|
|
return;
|
|
}
|
|
|
|
void
|
|
gvinum_printconfig(int argc, char **argv)
|
|
{
|
|
printconfig(stdout, "");
|
|
}
|
|
|
|
void
|
|
gvinum_rm(int argc, char **argv)
|
|
{
|
|
struct gctl_req *req;
|
|
int flags, i, j;
|
|
const char *errstr;
|
|
char buf[20], *cmd;
|
|
|
|
cmd = argv[0];
|
|
flags = 0;
|
|
optreset = 1;
|
|
optind = 1;
|
|
while ((j = getopt(argc, argv, "r")) != -1) {
|
|
switch (j) {
|
|
case 'r':
|
|
flags |= GV_FLAG_R;
|
|
break;
|
|
case '?':
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
req = gctl_get_handle();
|
|
gctl_ro_param(req, "class", -1, "VINUM");
|
|
gctl_ro_param(req, "verb", -1, "remove");
|
|
gctl_ro_param(req, "argc", sizeof(int), &argc);
|
|
gctl_ro_param(req, "flags", sizeof(int), &flags);
|
|
if (argc) {
|
|
for (i = 0; i < argc; i++) {
|
|
snprintf(buf, sizeof(buf), "argv%d", i);
|
|
gctl_ro_param(req, buf, -1, argv[i]);
|
|
}
|
|
}
|
|
errstr = gctl_issue(req);
|
|
if (errstr != NULL) {
|
|
warnx("can't remove: %s", errstr);
|
|
gctl_free(req);
|
|
return;
|
|
}
|
|
gctl_free(req);
|
|
gvinum_list(0, NULL);
|
|
}
|
|
|
|
void
|
|
gvinum_saveconfig(void)
|
|
{
|
|
struct gctl_req *req;
|
|
const char *errstr;
|
|
|
|
req = gctl_get_handle();
|
|
gctl_ro_param(req, "class", -1, "VINUM");
|
|
gctl_ro_param(req, "verb", -1, "saveconfig");
|
|
errstr = gctl_issue(req);
|
|
if (errstr != NULL)
|
|
warnx("can't save configuration: %s", errstr);
|
|
gctl_free(req);
|
|
}
|
|
|
|
void
|
|
gvinum_start(int argc, char **argv)
|
|
{
|
|
struct gctl_req *req;
|
|
int i, initsize, j;
|
|
const char *errstr;
|
|
char buf[20];
|
|
|
|
/* 'start' with no arguments is a no-op. */
|
|
if (argc == 1)
|
|
return;
|
|
|
|
initsize = 0;
|
|
|
|
optreset = 1;
|
|
optind = 1;
|
|
while ((j = getopt(argc, argv, "S")) != -1) {
|
|
switch (j) {
|
|
case 'S':
|
|
initsize = atoi(optarg);
|
|
break;
|
|
case '?':
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (!initsize)
|
|
initsize = 512;
|
|
|
|
req = gctl_get_handle();
|
|
gctl_ro_param(req, "class", -1, "VINUM");
|
|
gctl_ro_param(req, "verb", -1, "start");
|
|
gctl_ro_param(req, "argc", sizeof(int), &argc);
|
|
gctl_ro_param(req, "initsize", sizeof(int), &initsize);
|
|
if (argc) {
|
|
for (i = 0; i < argc; i++) {
|
|
snprintf(buf, sizeof(buf), "argv%d", i);
|
|
gctl_ro_param(req, buf, -1, argv[i]);
|
|
}
|
|
}
|
|
errstr = gctl_issue(req);
|
|
if (errstr != NULL) {
|
|
warnx("can't start: %s", errstr);
|
|
gctl_free(req);
|
|
return;
|
|
}
|
|
|
|
gctl_free(req);
|
|
gvinum_list(0, NULL);
|
|
}
|
|
|
|
void
|
|
gvinum_stop(int argc, char **argv)
|
|
{
|
|
int fileid;
|
|
|
|
fileid = kldfind(GVINUMMOD);
|
|
if (fileid == -1) {
|
|
warn("cannot find " GVINUMMOD);
|
|
return;
|
|
}
|
|
if (kldunload(fileid) != 0) {
|
|
warn("cannot unload " GVINUMMOD);
|
|
return;
|
|
}
|
|
|
|
warnx(GVINUMMOD " unloaded");
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
parseline(int argc, char **argv)
|
|
{
|
|
if (argc <= 0)
|
|
return;
|
|
|
|
if (!strcmp(argv[0], "cancelinit"))
|
|
gvinum_cancelinit(argc, argv);
|
|
else if (!strcmp(argv[0], "create"))
|
|
gvinum_create(argc, argv);
|
|
else if (!strcmp(argv[0], "exit") || !strcmp(argv[0], "quit"))
|
|
exit(0);
|
|
else if (!strcmp(argv[0], "help"))
|
|
gvinum_help();
|
|
else if (!strcmp(argv[0], "init"))
|
|
gvinum_init(argc, argv);
|
|
else if (!strcmp(argv[0], "list") || !strcmp(argv[0], "l"))
|
|
gvinum_list(argc, argv);
|
|
else if (!strcmp(argv[0], "ld"))
|
|
gvinum_list(argc, argv);
|
|
else if (!strcmp(argv[0], "lp"))
|
|
gvinum_list(argc, argv);
|
|
else if (!strcmp(argv[0], "ls"))
|
|
gvinum_list(argc, argv);
|
|
else if (!strcmp(argv[0], "lv"))
|
|
gvinum_list(argc, argv);
|
|
else if (!strcmp(argv[0], "printconfig"))
|
|
gvinum_printconfig(argc, argv);
|
|
else if (!strcmp(argv[0], "rm"))
|
|
gvinum_rm(argc, argv);
|
|
else if (!strcmp(argv[0], "saveconfig"))
|
|
gvinum_saveconfig();
|
|
else if (!strcmp(argv[0], "start"))
|
|
gvinum_start(argc, argv);
|
|
else if (!strcmp(argv[0], "stop"))
|
|
gvinum_stop(argc, argv);
|
|
else
|
|
printf("unknown command '%s'\n", argv[0]);
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* The guts of printconfig. This is called from gvinum_printconfig and from
|
|
* gvinum_create when called without an argument, in order to give the user
|
|
* something to edit.
|
|
*/
|
|
void
|
|
printconfig(FILE *of, char *comment)
|
|
{
|
|
struct gctl_req *req;
|
|
struct utsname uname_s;
|
|
const char *errstr;
|
|
time_t now;
|
|
char buf[GV_CFG_LEN + 1];
|
|
|
|
uname(&uname_s);
|
|
time(&now);
|
|
|
|
req = gctl_get_handle();
|
|
gctl_ro_param(req, "class", -1, "VINUM");
|
|
gctl_ro_param(req, "verb", -1, "getconfig");
|
|
gctl_ro_param(req, "comment", -1, comment);
|
|
gctl_rw_param(req, "config", sizeof(buf), buf);
|
|
errstr = gctl_issue(req);
|
|
if (errstr != NULL) {
|
|
warnx("can't get configuration: %s", errstr);
|
|
return;
|
|
}
|
|
gctl_free(req);
|
|
|
|
fprintf(of, "# Vinum configuration of %s, saved at %s",
|
|
uname_s.nodename,
|
|
ctime(&now));
|
|
|
|
if (*comment != '\0')
|
|
fprintf(of, "# Current configuration:\n");
|
|
|
|
fprintf(of, buf);
|
|
}
|