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Introduce geom(8)-specific shared libraries for CONCAT, STRIPE and NOP

Browse Source 
GEOM classes. CONCAT should be 100% compatible with existing gconcat(8)
utility, which is going to be removed.

Supported by:	Wheel - Open Technologies - http://www.wheel.pl
This commit is contained in:
Pawel Jakub Dawidek 2004-05-20 10:24:23 +00:00
parent b09121f9e1
commit a158e237fc
6 changed files with 515 additions and 0 deletions
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9
sbin/geom/class/concat/Makefile Normal file
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# $FreeBSD$
.PATH: ${.CURDIR}/../../misc
CLASS= concat
NOMAN= notyet
.include <bsd.lib.mk>

198
sbin/geom/class/concat/geom_concat.c Normal file
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/*-
* Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHORS AND CONTRIBUTORS ``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 AUTHORS OR CONTRIBUTORS 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <assert.h>
#include <libgeom.h>
#include <geom/concat/g_concat.h>
#include "core/geom.h"
#include "misc/subr.h"
uint32_t lib_version = G_LIB_VERSION;
uint32_t version = G_CONCAT_VERSION;
static void concat_main(struct gctl_req *req, unsigned flags);
static void concat_label(struct gctl_req *req);
static void concat_clear(struct gctl_req *req);
struct g_command class_commands[] = {
{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL, G_NULL_OPTS },
{ "destroy", G_FLAG_VERBOSE, NULL,
{
{ 'f', "force", NULL, G_TYPE_NONE },
G_OPT_SENTINEL
}
},
{ "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, concat_main, G_NULL_OPTS },
{ "clear", G_FLAG_VERBOSE, concat_main, G_NULL_OPTS },
G_CMD_SENTINEL
};
static int verbose = 0;
void usage(const char *name);
void
usage(const char *name)
{
fprintf(stderr, "usage: %s create [-v] <name> <dev1> <dev2> [dev3 [...]]\n", name);
fprintf(stderr, " %s destroy [-fv] <name> [name2 [...]]\n", name);
fprintf(stderr, " %s label [-v] <name> <dev1> <dev2> [dev3 [...]]\n", name);
fprintf(stderr, " %s clear [-v] <dev1> [dev2 [...]]\n", name);
}
static void
concat_main(struct gctl_req *req, unsigned flags)
{
const char *name;
if ((flags & G_FLAG_VERBOSE) != 0)
verbose = 1;
name = gctl_get_asciiparam(req, "verb");
if (name == NULL) {
gctl_error(req, "No '%s' argument.", "verb");
return;
}
if (strcmp(name, "label") == 0)
concat_label(req);
else if (strcmp(name, "clear") == 0)
concat_clear(req);
else
gctl_error(req, "Unknown command: %s.", name);
}
static void
concat_label(struct gctl_req *req)
{
struct g_concat_metadata md;
u_char sector[512];
const char *name;
char param[16];
unsigned i;
int *nargs, error;
nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
if (nargs == NULL) {
gctl_error(req, "No '%s' argument.", "nargs");
return;
}
if (*nargs <= 2) {
gctl_error(req, "Too few arguments.");
return;
}
/*
* Clear last sector first to spoil all components if device exists.
*/
for (i = 1; i < (unsigned)*nargs; i++) {
snprintf(param, sizeof(param), "arg%u", i);
name = gctl_get_asciiparam(req, param);
error = g_metadata_clear(name, NULL);
if (error != 0) {
gctl_error(req, "Can't store metadata on %s: %s.", name,
strerror(error));
return;
}
}
strlcpy(md.md_magic, G_CONCAT_MAGIC, sizeof(md.md_magic));
md.md_version = G_CONCAT_VERSION;
name = gctl_get_asciiparam(req, "arg0");
if (name == NULL) {
gctl_error(req, "No 'arg%u' argument.", 0);
return;
}
strlcpy(md.md_name, name, sizeof(md.md_name));
md.md_id = arc4random();
md.md_all = *nargs - 1;
/*
* Ok, store metadata.
*/
for (i = 1; i < (unsigned)*nargs; i++) {
snprintf(param, sizeof(param), "arg%u", i);
name = gctl_get_asciiparam(req, param);
md.md_no = i - 1;
concat_metadata_encode(&md, sector);
error = g_metadata_store(name, sector, sizeof(sector));
if (error != 0) {
fprintf(stderr, "Can't store metadata on %s: %s.", name,
strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
if (verbose)
printf("Metadata value stored on %s.\n", name);
}
}
static void
concat_clear(struct gctl_req *req)
{
const char *name;
char param[16];
unsigned i;
int *nargs, error;
nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
if (nargs == NULL) {
gctl_error(req, "No '%s' argument.", "nargs");
return;
}
if (*nargs < 1) {
gctl_error(req, "Too few arguments.");
return;
}
for (i = 0; i < (unsigned)*nargs; i++) {
snprintf(param, sizeof(param), "arg%u", i);
name = gctl_get_asciiparam(req, param);
error = g_metadata_clear(name, G_CONCAT_MAGIC);
if (error != 0) {
fprintf(stderr, "Can't clear metadata on %s: %s.", name,
strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
if (verbose)
printf("Metadata cleared on %s.\n", name);
}
}

9
sbin/geom/class/nop/Makefile Normal file
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# $FreeBSD$
.PATH: ${.CURDIR}/../../misc
CLASS= nop
NOMAN= notyet
.include <bsd.lib.mk>

73
sbin/geom/class/nop/geom_nop.c Normal file
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/*-
* Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHORS AND CONTRIBUTORS ``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 AUTHORS OR CONTRIBUTORS 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include <stdint.h>
#include <libgeom.h>
#include <geom/nop/g_nop.h>
#include "core/geom.h"
uint32_t lib_version = G_LIB_VERSION;
uint32_t version = G_NOP_VERSION;
static intmax_t failprob = 0;
struct g_command class_commands[] = {
{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL,
{
{ 'f', "failprob", &failprob, G_TYPE_NUMBER },
G_OPT_SENTINEL
}
},
{ "config", G_FLAG_VERBOSE, NULL,
{
{ 'f', "failprob", &failprob, G_TYPE_NUMBER },
G_OPT_SENTINEL
}
},
{ "destroy", G_FLAG_VERBOSE, NULL,
{
{ 'f', "force", NULL, G_TYPE_NONE },
G_OPT_SENTINEL
}
},
G_CMD_SENTINEL
};
void usage(const char *name);
void
usage(const char *name)
{
fprintf(stderr, "usage: %s create [-v] [-f failprob] <dev1> [dev2 [...]]\n", name);
fprintf(stderr, " %s config [-v] [-f failprob] <dev1> [dev2 [...]]\n", name);
fprintf(stderr, " %s destroy [-fv] <dev1> [dev2 [...]]\n", name);
}

9
sbin/geom/class/stripe/Makefile Normal file
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# $FreeBSD$
.PATH: ${.CURDIR}/../../misc
CLASS= stripe
NOMAN= notyet
.include <bsd.lib.mk>

217
sbin/geom/class/stripe/geom_stripe.c Normal file
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/*-
* Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHORS AND CONTRIBUTORS ``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 AUTHORS OR CONTRIBUTORS 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <strings.h>
#include <assert.h>
#include <libgeom.h>
#include <geom/stripe/g_stripe.h>
#include "core/geom.h"
#include "misc/subr.h"
uint32_t lib_version = G_LIB_VERSION;
uint32_t version = G_STRIPE_VERSION;
static intmax_t stripesize = 65536;
static void stripe_main(struct gctl_req *req, unsigned flags);
static void stripe_label(struct gctl_req *req);
static void stripe_clear(struct gctl_req *req);
struct g_command class_commands[] = {
{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL,
{
{ 's', "stripesize", &stripesize, G_TYPE_NUMBER },
G_OPT_SENTINEL
}
},
{ "destroy", G_FLAG_VERBOSE, NULL,
{
{ 'f', "force", NULL, G_TYPE_NONE },
G_OPT_SENTINEL
}
},
{ "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, stripe_main,
{
{ 's', "stripesize", &stripesize, G_TYPE_NUMBER },
G_OPT_SENTINEL
}
},
{ "clear", G_FLAG_VERBOSE, stripe_main, G_NULL_OPTS },
G_CMD_SENTINEL
};
static int verbose = 0;
void usage(const char *name);
void
usage(const char *name)
{
fprintf(stderr, "usage: %s create [-v] [-s stripesize] <name> <dev1> <dev2> [dev3 [...]]\n", name);
fprintf(stderr, " %s destroy [-fv] <name> [name2 [...]]\n", name);
fprintf(stderr, " %s label [-v] [-s stripesize] <name> <dev1> <dev2> [dev3 [...]]\n", name);
fprintf(stderr, " %s clear [-v] <dev1> [dev2 [...]]\n", name);
}
static void
stripe_main(struct gctl_req *req, unsigned flags)
{
const char *name;
if ((flags & G_FLAG_VERBOSE) != 0)
verbose = 1;
name = gctl_get_asciiparam(req, "verb");
if (name == NULL) {
gctl_error(req, "No '%s' argument.", "verb");
return;
}
if (strcmp(name, "label") == 0)
stripe_label(req);
else if (strcmp(name, "clear") == 0)
stripe_clear(req);
else
gctl_error(req, "Unknown command: %s.", name);
}
static void
stripe_label(struct gctl_req *req)
{
struct g_stripe_metadata md;
intmax_t *stripesizep;
u_char sector[512];
const char *name;
char param[16];
unsigned i;
int *nargs, error;
nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
if (nargs == NULL) {
gctl_error(req, "No '%s' argument.", "nargs");
return;
}
if (*nargs <= 2) {
gctl_error(req, "Too few arguments.");
return;
}
/*
* Clear last sector first to spoil all components if device exists.
*/
for (i = 1; i < (unsigned)*nargs; i++) {
snprintf(param, sizeof(param), "arg%u", i);
name = gctl_get_asciiparam(req, param);
error = g_metadata_clear(name, NULL);
if (error != 0) {
gctl_error(req, "Can't store metadata on %s: %s.", name,
strerror(error));
return;
}
}
strlcpy(md.md_magic, G_STRIPE_MAGIC, sizeof(md.md_magic));
md.md_version = G_STRIPE_VERSION;
name = gctl_get_asciiparam(req, "arg0");
if (name == NULL) {
gctl_error(req, "No 'arg%u' argument.", 0);
return;
}
strlcpy(md.md_name, name, sizeof(md.md_name));
md.md_id = arc4random();
md.md_all = *nargs - 1;
stripesizep = gctl_get_paraml(req, "stripesize", sizeof(*stripesizep));
if (stripesizep == NULL) {
gctl_error(req, "No '%s' argument.", "stripesize");
return;
}
md.md_stripesize = *stripesizep;
/*
* Ok, store metadata.
*/
for (i = 1; i < (unsigned)*nargs; i++) {
snprintf(param, sizeof(param), "arg%u", i);
name = gctl_get_asciiparam(req, param);
md.md_no = i - 1;
stripe_metadata_encode(&md, sector);
error = g_metadata_store(name, sector, sizeof(sector));
if (error != 0) {
fprintf(stderr, "Can't store metadata on %s: %s.", name,
strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
if (verbose)
printf("Metadata value stored on %s.\n", name);
}
}
static void
stripe_clear(struct gctl_req *req)
{
const char *name;
char param[16];
unsigned i;
int *nargs, error;
nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
if (nargs == NULL) {
gctl_error(req, "No '%s' argument.", "nargs");
return;
}
if (*nargs < 1) {
gctl_error(req, "Too few arguments.");
return;
}
for (i = 0; i < (unsigned)*nargs; i++) {
snprintf(param, sizeof(param), "arg%u", i);
name = gctl_get_asciiparam(req, param);
error = g_metadata_clear(name, G_STRIPE_MAGIC);
if (error != 0) {
fprintf(stderr, "Can't clear metadata on %s: %s.", name,
strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
if (verbose)
printf("Metadata cleared on %s.\n", name);
}
}