/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002 Cluster File Systems, Inc.
- * Author: Peter J. Braam <braam@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Andreas Dilger <adilger@clusterfs.com>
- * Author: Robert Read <rread@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/utils/lustre_cfg.c
+ *
+ * Author: Peter J. Braam <braam@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Robert Read <rread@clusterfs.com>
*/
-
#include <stdlib.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>
+#include <glob.h>
#ifndef __KERNEL__
#include <liblustre.h>
#include "obdctl.h"
#include <lnet/lnetctl.h>
-#include "parser.h"
+#include <libcfs/libcfsutil.h>
#include <stdio.h>
static char * lcfg_devname;
/* quietly strip the unnecessary '$' */
if (*name == '$' || *name == '%')
name++;
- if (isdigit(*name)) {
+ if (isdigit(*name)) {
/* We can't translate from dev # to name */
lcfg_devname = NULL;
} else {
}
} else {
lcfg_devname = NULL;
- }
+ }
return 0;
}
if (lcfg_devname == NULL) {
fprintf(stderr, "%s: please use 'device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
if (lcfg_devname == NULL) {
fprintf(stderr, "%s: please use 'device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
if (lcfg_devname == NULL) {
fprintf(stderr, "%s: please use 'device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
return rc;
}
-static
-int do_add_uuid(char * func, char *uuid, lnet_nid_t nid)
+static
+int do_add_uuid(char * func, char *uuid, lnet_nid_t nid)
{
int rc;
struct lustre_cfg_bufs bufs;
lcfg = lustre_cfg_new(LCFG_ADD_UUID, &bufs);
lcfg->lcfg_nid = nid;
- /* Poison NAL -- pre 1.4.6 will LASSERT on 0 NAL, this way it
+ /* Poison NAL -- pre 1.4.6 will LASSERT on 0 NAL, this way it
doesn't work without crashing (bz 10130) */
lcfg->lcfg_nal = 0x5a;
int jt_lcfg_add_uuid(int argc, char **argv)
{
lnet_nid_t nid;
-
- if (argc != 3) {
+
+ if (argc != 3) {
return CMD_HELP;
}
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
if (strcmp (argv[1], "_all_"))
lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
-
+
lcfg = lustre_cfg_new(LCFG_DEL_UUID, &bufs);
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
lcfg = lustre_cfg_new(LCFG_SET_TIMEOUT, &bufs);
lcfg->lcfg_num = atoi(argv[1]);
-
+
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
//rc = lcfg_mgs_ioctl(argv[0], OBD_DEV_ID, lcfg);
if (lcfg_devname == NULL) {
fprintf(stderr, "%s: please use 'device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
if (lcfg_devname == NULL) {
fprintf(stderr, "%s: please use 'device name' to set the "
- "device name for config commands.\n",
- jt_cmdname(argv[0]));
+ "device name for config commands.\n",
+ jt_cmdname(argv[0]));
return -EINVAL;
}
}
lcfg = lustre_cfg_new(LCFG_PARAM, &bufs);
-
+
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
}
-
+
return rc;
}
+/* Display the path in the same format as sysctl
+ * For eg. obdfilter.lustre-OST0000.stats */
+static char *display_name(char *filename)
+{
+ char *tmp;
+ filename += strlen("/proc/");
+ if (strncmp(filename, "fs/", strlen("fs/")) == 0)
+ filename += strlen("fs/");
+ else
+ filename += strlen("sys/");
+
+ if (strncmp(filename, "lustre/", strlen("lustre/")) == 0)
+ filename += strlen("lustre/");
+
+ /* replace '/' with '.' to match conf_param and sysctl */
+ tmp = filename;
+ while ((tmp = strchr(tmp, '/')) != NULL)
+ *tmp = '.';
+
+ return filename;
+}
+
+/* Find a character in a length limited string */
+/* BEWARE - kernel definition of strnchr has args in different order! */
+static char *strnchr(const char *p, char c, size_t n)
+{
+ if (!p)
+ return (0);
+
+ while (n-- > 0) {
+ if (*p == c)
+ return ((char *)p);
+ p++;
+ }
+ return (0);
+}
+
+int jt_lcfg_getparam(int argc, char **argv)
+{
+ int fp;
+ int rc = 0, i, show_path = 0, only_path = 0;
+ char pattern[PATH_MAX];
+ char *path, *tmp, *buf;
+ glob_t glob_info;
+
+ if (argc == 3 && (strcmp(argv[1], "-n") == 0 || strcmp(argv[1], "-N") == 0)) {
+ path = argv[2];
+ if (strcmp(argv[1], "-N") == 0) {
+ only_path = 1;
+ show_path = 1;
+ }
+ } else if (argc == 2) {
+ show_path = 1;
+ path = argv[1];
+ } else {
+ return CMD_HELP;
+ }
+
+ /* If the input is in form Eg. obdfilter.*.stats */
+ if (strchr(path, '.')) {
+ tmp = path;
+ while (*tmp != '\0') {
+ if (*tmp == '.')
+ *tmp = '/';
+ tmp ++;
+ }
+ }
+
+ /* If the entire path is specified as input */
+ fp = open(path, O_RDONLY);
+ if (fp < 0)
+ snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
+ path);
+ else {
+ strcpy(pattern, path);
+ close(fp);
+ }
+
+ rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
+ if (rc) {
+ fprintf(stderr, "error : glob %s: %s \n", pattern,strerror(rc));
+ return rc;
+ }
+
+ buf = malloc(CFS_PAGE_SIZE);
+ for (i = 0; i < glob_info.gl_pathc; i++) {
+ char *valuename = NULL;
+
+ memset(buf, 0, CFS_PAGE_SIZE);
+ if (show_path) {
+ char *filename;
+ filename = strdup(glob_info.gl_pathv[i]);
+ valuename = display_name(filename);
+ if (valuename && only_path) {
+ printf("%s\n", valuename);
+ continue;
+ }
+ }
+
+ /* Write the contents of file to stdout */
+ fp = open(glob_info.gl_pathv[i], O_RDONLY);
+ if (fp < 0) {
+ fprintf(stderr, "error: %s: opening('%s') failed: %s\n",
+ jt_cmdname(argv[0]), glob_info.gl_pathv[i],
+ strerror(errno));
+ continue;
+ }
+
+ do {
+ rc = read(fp, buf, CFS_PAGE_SIZE);
+ if (rc == 0)
+ break;
+ if (rc < 0) {
+ fprintf(stderr, "error: %s: read('%s') "
+ "failed: %s\n", jt_cmdname(argv[0]),
+ glob_info.gl_pathv[i], strerror(errno));
+ break;
+ }
+ /* Print the output in the format path=value if the
+ * value contains no new line character or cab be
+ * occupied in a line, else print value on new line */
+ if (valuename && show_path) {
+ int longbuf = strnchr(buf, rc - 1, '\n') != NULL
+ || rc > 60;
+ printf("%s=%s", valuename, longbuf ? "\n" : buf);
+ valuename = NULL;
+ if (!longbuf)
+ continue;
+ fflush(stdout);
+ }
+ rc = write(fileno(stdout), buf, rc);
+ if (rc < 0) {
+ fprintf(stderr, "error: %s: write to stdout "
+ "failed: %s\n", jt_cmdname(argv[0]),
+ strerror(errno));
+ break;
+ }
+ } while (1);
+ close(fp);
+ }
+
+ globfree(&glob_info);
+ free(buf);
+ return rc;
+}
+
+
+int jt_lcfg_setparam(int argc, char **argv)
+{
+ int rc = 0, i;
+ int fp, show_path = 0;
+ char pattern[PATH_MAX];
+ char *path, *value, *tmp;
+ glob_t glob_info;
+
+ path = argv[1];
+ if (argc == 4 && (strcmp(argv[1], "-n") == 0)) {
+ /* Format: lctl set_param -n param value */
+ path = argv[2];
+ value = argv[3];
+ } else if (argc == 3) {
+ if (strcmp(argv[1], "-n") != 0) {
+ /* Format: lctl set_param param value */
+ show_path = 1;
+ value = argv[2];
+ } else if ((value = strchr(argv[2], '=')) != NULL) {
+ /* Format: lctl set_param -n param=value */
+ path = argv[2];
+ *value = '\0';
+ value ++;
+ } else {
+ fprintf(stderr, "error: %s Incorrect arguments."
+ "See Usage\n",
+ jt_cmdname(argv[0]));
+ return CMD_HELP;
+ }
+ } else if (argc == 2 && ((value = strchr(argv[1], '=')) != NULL)) {
+ /* Format: lctl set_param param=value */
+ show_path = 1;
+ *value = '\0';
+ value++;
+ } else {
+ fprintf(stderr, "error: %s Incorrect arguments. See Usage\n",
+ jt_cmdname(argv[0]));
+ return CMD_HELP;
+ }
+
+ /* If the input is in form Eg. obdfilter.*.stats */
+ if (strchr(path, '.')) {
+ tmp = path;
+ while (*tmp != '\0') {
+ if (*tmp == '.')
+ *tmp = '/';
+ tmp ++;
+ }
+ }
+
+ fp = open(path, O_RDONLY);
+ if (fp < 0)
+ snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
+ path);
+ else {
+ strcpy(pattern, path);
+ close(fp);
+ }
+
+ rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
+ if (rc) {
+ fprintf(stderr, "error : glob %s: %s \n", pattern,strerror(rc));
+ return rc;
+ }
+ for (i = 0; i < glob_info.gl_pathc; i++) {
+ if (show_path) {
+ char *valuename, *filename;
+ filename = strdup(glob_info.gl_pathv[i]);
+ valuename = display_name(filename);
+ printf("%s=%s\n", valuename, value);
+ }
+ /* Write the new value to the file */
+ fp = open(glob_info.gl_pathv[i], O_WRONLY);
+ if (fp > 0) {
+ rc = write(fp, value, strlen(value));
+ if (rc < 0)
+ fprintf(stderr,
+ "error writing to file %s\n",
+ glob_info.gl_pathv[i]);
+ else
+ rc = 0;
+ close(fp);
+ } else {
+ fprintf(stderr, "error: %s: %s opening %s\n",
+ jt_cmdname(argv[0]), strerror(rc = errno),
+ glob_info.gl_pathv[i]);
+ }
+ }
+
+ globfree(&glob_info);
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff