diff options
Diffstat (limited to 'usr/src/test/zfs-tests/cmd/mktree/mktree.c')
| -rw-r--r-- | usr/src/test/zfs-tests/cmd/mktree/mktree.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/usr/src/test/zfs-tests/cmd/mktree/mktree.c b/usr/src/test/zfs-tests/cmd/mktree/mktree.c new file mode 100644 index 0000000000..a6a5adfb2f --- /dev/null +++ b/usr/src/test/zfs-tests/cmd/mktree/mktree.c @@ -0,0 +1,191 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/errno.h> +#include <sys/param.h> + +#define TYPE_D 'D' +#define TYPE_F 'F' + +extern int errno; + +static char fdname[MAXPATHLEN] = {0}; +static char *pbasedir = NULL; +static int nlevel = 2; +static int ndir = 2; +static int nfile = 2; + +static void usage(char *this); +static void crtfile(char *pname); +static char *getfdname(char *pdir, char type, int level, int dir, int file); +static int mktree(char *pbasedir, int level); + +int +main(int argc, char *argv[]) +{ + int c, ret; + + while ((c = getopt(argc, argv, "b:l:d:f:")) != -1) { + switch (c) { + case 'b': + pbasedir = optarg; + break; + case 'l': + nlevel = atoi(optarg); + break; + case 'd': + ndir = atoi(optarg); + break; + case 'f': + nfile = atoi(optarg); + break; + case '?': + usage(argv[0]); + } + } + if (nlevel < 0 || ndir < 0 || nfile < 0 || pbasedir == NULL) { + usage(argv[0]); + } + + ret = mktree(pbasedir, 1); + + return (ret); +} + +static void +usage(char *this) +{ + (void) fprintf(stderr, + "\tUsage: %s -b <base_dir> -l [nlevel] -d [ndir] -f [nfile]\n", + this); + exit(1); +} + +static int +mktree(char *pdir, int level) +{ + int d, f; + char dname[MAXPATHLEN] = {0}; + char fname[MAXPATHLEN] = {0}; + + if (level > nlevel) { + return (1); + } + + for (d = 0; d < ndir; d++) { + (void) memset(dname, '\0', sizeof (dname)); + (void) strcpy(dname, getfdname(pdir, TYPE_D, level, d, 0)); + + if (mkdir(dname, 0777) != 0) { + (void) fprintf(stderr, "mkdir(%s) failed." + "\n[%d]: %s.\n", + dname, errno, strerror(errno)); + exit(errno); + } + + /* + * No sub-directory need be created, only create files in it. + */ + if (mktree(dname, level+1) != 0) { + for (f = 0; f < nfile; f++) { + (void) memset(fname, '\0', sizeof (fname)); + (void) strcpy(fname, + getfdname(dname, TYPE_F, level+1, d, f)); + crtfile(fname); + } + } + } + + for (f = 0; f < nfile; f++) { + (void) memset(fname, '\0', sizeof (fname)); + (void) strcpy(fname, getfdname(pdir, TYPE_F, level, d, f)); + crtfile(fname); + } + + return (0); +} + +static char * +getfdname(char *pdir, char type, int level, int dir, int file) +{ + (void) snprintf(fdname, sizeof (fdname), + "%s/%c-l%dd%df%d", pdir, type, level, dir, file); + return (fdname); +} + +static void +crtfile(char *pname) +{ + int fd = -1; + int afd = -1; + int i, size; + char *context = "0123456789ABCDF"; + char *pbuf; + + if (pname == NULL) { + exit(1); + } + + size = sizeof (char) * 1024; + pbuf = (char *)valloc(size); + for (i = 0; i < size / strlen(context); i++) { + int offset = i * strlen(context); + (void) snprintf(pbuf+offset, size-offset, "%s", context); + } + + if ((fd = open(pname, O_CREAT|O_RDWR, 0777)) < 0) { + (void) fprintf(stderr, "open(%s, O_CREAT|O_RDWR, 0777) failed." + "\n[%d]: %s.\n", pname, errno, strerror(errno)); + exit(errno); + } + if (write(fd, pbuf, 1024) < 1024) { + (void) fprintf(stderr, "write(fd, pbuf, 1024) failed." + "\n[%d]: %s.\n", errno, strerror(errno)); + exit(errno); + } + + if ((afd = openat(fd, "xattr", O_CREAT | O_RDWR | O_XATTR, 0777)) < 0) { + (void) fprintf(stderr, "openat failed.\n[%d]: %s.\n", + errno, strerror(errno)); + exit(errno); + } + if (write(afd, pbuf, 1024) < 1024) { + (void) fprintf(stderr, "write(afd, pbuf, 1024) failed." + "\n[%d]: %s.\n", errno, strerror(errno)); + exit(errno); + } + + (void) close(afd); + (void) close(fd); + free(pbuf); +} |