-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * 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.
- *
- * 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
- * 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 (c) 2003, 2010, Oracle and/or its affiliates. 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/tests/mkdirdeep.c
- *
- * Compile with:
- * cc -I../../lnet/include -o mkdirdeep mkdirdeep.c
- * -L../../lnet/linux/utils -lptlctl
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <linux/limits.h>
-#include <libcfs/lltrace.h>
-
-static int opt_verbose = 0;
-static int opt_trace = 0;
-
-void usage(const char *pname)
-{
- fprintf(stderr, "Usage: %s --depth <d> [--output <outputtracefilename>]"
- " [--mknod] [--verbose] [--notrace] <basepath>\n", pname);
- exit(1);
-}
-
-int do_mkdir(char *path)
-{
- int rc = mkdir(path, 0755);
-
- if (rc) {
- fprintf(stderr, "mkdir(%s) failed: %s\n",
- path, strerror(errno));
- exit(1);
- }
- if (opt_verbose)
- printf("mkdir %s\n", path);
-
- return rc;
-}
-
-
-int do_mknod(char *path)
-{
- int rc = mknod(path, 0755, S_IFIFO);
-
- if (rc) {
- fprintf(stderr, "mkdir(%s) failed: %s\n",
- path, strerror(errno));
- exit(1);
- }
- if (opt_verbose)
- printf("mknod %s\n", path);
-
- return rc;
-}
-
-int do_chdir(char* path)
-{
- int rc = chdir(path);
-
- if (rc) {
- fprintf(stderr, "chdir(%s) failed: %s\n",
- path, strerror(errno));
- exit(1);
- }
- if (opt_verbose)
- printf("chdir %s\n", path);
-
- return rc;
-}
-
-int do_stat(char *path)
-{
- char mark_buf[PATH_MAX + 50];
- struct stat mystat;
- int rc = stat(path, &mystat);
-
- if (rc) {
- fprintf(stderr, "stat(%s) failed: %s\n",
- path, strerror(errno));
- exit(1);
- }
- if (opt_verbose)
- printf("stat %s = inode %lu\n", path,
- (unsigned long)mystat.st_ino);
-
- if (opt_trace) {
- snprintf(mark_buf, PATH_MAX, "stat %s = inode %lu",
- path, (unsigned long)mystat.st_ino);
- ltrace_mark(0, mark_buf);
- }
-
- return rc;
-}
-
-int main(int argc, char** argv)
-{
- int c, i, mypid;
- int opt_depth = 1;
- int opt_mknod = 0;
-
- static struct option long_opt[] = {
- {"depth", 1, 0, 'd' },
- {"help", 0, 0, 'h' },
- {"mknod", 0, 0, 'm' },
- {"output", 1, 0, 'o' },
- {"trace", 1, 0, 't' },
- {"verbose", 0, 0, 'v' },
- {0,0,0,0}
- };
-
- char *outputfilename = NULL;
- char *base_pathname;
- char pathname[PATH_MAX];
- char mark_buf[PATH_MAX + 50];
- char mycwd[PATH_MAX];
- char *pname = argv[0];
-
- while ((c = getopt_long(argc, argv, "d:mhvo:", long_opt, NULL)) != -1) {
- switch (c) {
- case 'd':
- opt_depth = atoi(optarg);
- if ((opt_depth == 0) || (opt_depth > 1100))
- usage(pname);
- break;
- case 'm':
- opt_mknod = 1;
- break;
- case 't':
- opt_trace = 1;
- break;
- case 'v':
- opt_verbose = 1;
- break;
- case 'o':
- outputfilename = optarg;
- break;
- case 'h':
- case '?':
- case ':':
- default:
- usage(pname);
- break;
- }
- }
-
- if (optind != (argc - 1))
- usage(pname);
-
- base_pathname = argv[optind];
- mypid = getpid();
-
- if (!getcwd(&mycwd[0], sizeof(mycwd))) {
- fprintf(stderr, "%s: unable to getcwd()\n", pname);
- exit(1);
- }
-
- printf("%s(pid=%d) depth=%d mknod=%d, basepathname=%s, trace=%d\n",
- pname, mypid, opt_depth, opt_mknod, base_pathname, opt_trace);
-
- if (outputfilename)
- printf("outputfilename=%s\n", outputfilename);
-
- if (opt_trace) {
- ltrace_start();
- ltrace_clear();
- snprintf(mark_buf, PATH_MAX, "Initialize - mkdir %s; chdir %s",
- base_pathname, base_pathname);
- ltrace_mark(2, mark_buf);
- }
-
- if (do_mkdir(base_pathname)!=0)
- exit(1);
- if (do_chdir(base_pathname)!=0)
- exit(1);
-
- /* Create directory tree with depth level of subdirectories */
-
- if (opt_trace) {
- snprintf(mark_buf, PATH_MAX,
- "Create Directory Tree (depth %d)", opt_depth);
- ltrace_mark(2, mark_buf);
- }
-
- for (i = 0; i < opt_depth; i++) {
- snprintf(pathname, sizeof(pathname), "%d", i + 1);
-
- if (i == (opt_depth - 1)) {
- /* Last Iteration */
-
- if (opt_trace) {
- snprintf(mark_buf, PATH_MAX,
- "Tree Leaf (%d) %s/stat", i,
- (opt_mknod ? "mknod" : "mkdir"));
- ltrace_mark(3, mark_buf);
- }
-
- if (opt_mknod)
- do_mknod(pathname);
- else
- do_mkdir(pathname);
- /* Now stat it */
- do_stat(pathname);
- } else {
- /* Not Leaf */
-
- if (opt_trace) {
- snprintf(mark_buf, sizeof(mark_buf),
- "Tree Level (%d) mkdir/stat/chdir", i);
- ltrace_mark(3, mark_buf);
- }
-
- do_mkdir(pathname);
- do_stat(pathname);
- do_chdir(pathname);
- }
- }
-
- /* Stat through directory tree with fullpaths */
-
- if (opt_trace) {
- snprintf(mark_buf, PATH_MAX, "Walk Directory Tree");
- ltrace_mark(2, mark_buf);
- }
-
- do_chdir(base_pathname);
-
- strncpy(pathname, base_pathname, sizeof(pathname));
-
- c = strlen(base_pathname);
- for (i = 0; i < opt_depth; i++) {
- c += snprintf(pathname + c, sizeof(pathname) - c, "/%d", i+1);
-
- if (opt_trace) {
- snprintf(mark_buf, PATH_MAX, "stat %s", pathname);
- ltrace_mark(2, mark_buf);
- }
-
- do_stat(pathname);
- }
-
- if (opt_trace && outputfilename) {
- ltrace_write_file(outputfilename);
- ltrace_add_processnames(outputfilename);
- ltrace_stop();
- }
-
- do_chdir(base_pathname);
-
- printf("%s (pid=%d) done.\n", pname, mypid);
-
- return 0;
-}
git://git.whamcloud.com / fs / lustre-release.git / commitdiff