/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <getopt.h>
#include <stdarg.h>
#include <fcntl.h>
+#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <limits.h>
#include <utime.h>
+#include <time.h>
#include <sys/xattr.h>
-#include <libcfs/libcfs.h>
-#include <libcfs/libcfsutil.h>
-#include <lustre/liblustreapi.h>
+#include <libcfs/util/string.h>
+#include <libcfs/util/parser.h>
+#include <lustre/lustreapi.h>
#include <lustre/lustre_idl.h>
#include "lustre_rsync.h"
char rsync_ver[PATH_MAX];
struct lr_parent_child_list *parents;
+FILE *debug_log;
+
/* Command line options */
struct option long_opts[] = {
{"source", required_argument, 0, 's'},
{"start-recno", required_argument, 0, 'n'},
{"abort-on-err",no_argument, 0, 'a'},
{"debug", required_argument, 0, 'd'},
- {0, 0, 0, 0}
+ {"debuglog", required_argument, 0, 'D'},
+ {0, 0, 0, 0}
};
/* Command line usage */
"\t--dry-run don't write anything\n");
}
+#define DEBUG_ENTRY(info) \
+ lr_debug(D_TRACE, "***** Start %lld %s (%d) %s %s %s *****\n", \
+ (info)->recno, changelog_type2str((info)->type), \
+ (info)->type, (info)->tfid, (info)->pfid, (info)->name);
+
+#define DEBUG_EXIT(info, rc) \
+ lr_debug(D_TRACE, "##### End %lld %s (%d) %s %s %s rc=%d #####\n", \
+ (info)->recno, changelog_type2str((info)->type), \
+ (info)->type, (info)->tfid, (info)->pfid, (info)->name, rc);
+
/* Print debug information. This is controlled by the value of the
global variable 'debug' */
void lr_debug(int level, const char *fmt, ...)
{
- va_list ap;
+ va_list ap;
- if (level > debug)
- return;
+ if (level > debug)
+ return;
- va_start(ap, fmt);
- vprintf(fmt, ap);
- va_end(ap);
+ va_start(ap, fmt);
+ if (debug_log != NULL)
+ vfprintf(debug_log, fmt, ap);
+ else
+ vfprintf(stdout, fmt, ap);
+ va_end(ap);
}
info->bufsize = bufsize;
}
- while (1) {
- rsize = read(fd_src, info->buf, bufsize);
- if (rsize == 0) {
- break;
- } else if (rsize < 0) {
- rc = -errno;
- goto out;
- }
- errno = 0;
- if (write(fd_dest, info->buf, rsize) != rsize) {
- if (errno != 0)
- rc = -errno;
- else
- rc = -EINTR;
- }
- }
- fsync(fd_dest);
+ while (1) {
+ char *buf;
+ int wsize;
+
+ buf = info->buf;
+ rsize = read(fd_src, buf, bufsize);
+ if (rsize == 0) {
+ rc = 0;
+ break;
+ }
+ if (rsize < 0) {
+ rc = -errno;
+ break;
+ }
+ do {
+ wsize = write(fd_dest, buf, rsize);
+ if (wsize <= 0) {
+ rc = -errno;
+ break;
+ }
+ rsize -= wsize;
+ buf += wsize;
+ } while (rsize > 0);
+ }
+ fsync(fd_dest);
out:
- if (fd_src != -1)
- close(fd_src);
- if (fd_dest != -1)
- close(fd_dest);
+ if (fd_src != -1)
+ close(fd_src);
+ if (fd_dest != -1)
+ close(fd_dest);
- return rc;
+ return rc;
}
/* Copy data from source to destination */
} else {
link = info->linktmp;
}
- strncpy(info->link, link, PATH_MAX);
- info->link[PATH_MAX] = '\0';
+ strlcpy(info->link, link, sizeof(info->link));
- return rc;
+ return rc;
}
/* Create file/directory/device file/symlink. */
int lr_add_pc(const char *pfid, const char *tfid, const char *name)
{
- struct lr_parent_child_list *p;
-
- p = calloc(1, sizeof(*p));
- if (!p)
- return -ENOMEM;
- strcpy(p->pc_log.pcl_pfid, pfid);
- strcpy(p->pc_log.pcl_tfid, tfid);
- strcpy(p->pc_log.pcl_name, name);
-
- p->pc_next = parents;
- parents = p;
- return 0;
+ struct lr_parent_child_list *p;
+ size_t len;
+
+ p = calloc(1, sizeof(*p));
+ if (p == NULL)
+ return -ENOMEM;
+ len = strlcpy(p->pc_log.pcl_pfid, pfid, sizeof(p->pc_log.pcl_pfid));
+ if (len >= sizeof(p->pc_log.pcl_pfid))
+ goto out_err;
+ len = strlcpy(p->pc_log.pcl_tfid, tfid, sizeof(p->pc_log.pcl_tfid));
+ if (len >= sizeof(p->pc_log.pcl_tfid))
+ goto out_err;
+ len = strlcpy(p->pc_log.pcl_name, name, sizeof(p->pc_log.pcl_name));
+ if (len >= sizeof(p->pc_log.pcl_name))
+ goto out_err;
+
+ p->pc_next = parents;
+ parents = p;
+ return 0;
+
+out_err:
+ free(p);
+ return -E2BIG;
}
void lr_cascade_move(const char *fid, const char *dest, struct lr_info *info)
info->src, d, errno);
errors++;
}
- lr_cascade_move(curr->pc_log.pcl_tfid, d, info);
if (curr == parents)
parents = curr->pc_next;
else
prev->pc_next = curr->pc_next;
+ lr_cascade_move(curr->pc_log.pcl_tfid, d, info);
free(curr);
prev = curr = parents;
if (rc1)
rc = rc1;
}
- return rc;
+ return rc;
}
/* Replicate a file remove (rmdir/unlink) operation */
continue;
}
}
- return rc;
+ return rc;
}
/* Replicate a rename/move operation. */
status->ls_targets[info->target_no],
info->path, info->name);
}
+ lr_debug(DINFO, "dest path %s rc_dest=%d\n", info->dest,
+ rc_dest);
}
if (rc_dest == -ENOENT) {
snprintf(info->dest, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no],
SPECIAL_DIR, info->sfid);
special_dest = 1;
+ lr_debug(DINFO, "special dest %s\n", info->dest);
}
- if (!rc_src)
- snprintf(info->src, PATH_MAX, "%s/%s/%s",
- status->ls_targets[info->target_no],
+ if (!rc_src) {
+ snprintf(info->src, PATH_MAX, "%s/%s/%s",
+ status->ls_targets[info->target_no],
srcpath, info->sname);
+ lr_debug(DINFO, "src path %s rc_src=%d\n", info->src,
+ rc_src);
+ }
if (rc_src == -ENOENT || (access(info->src, F_OK) != 0 &&
errno == ENOENT)) {
snprintf(info->src, PATH_MAX, "%s/%s/%s",
status->ls_targets[info->target_no],
SPECIAL_DIR, info->sfid);
special_src = 1;
+ lr_debug(DINFO, "special src %s\n", info->src);
}
rc1 = 0;
+ errno = 0;
if (strcmp(info->src, info->dest) != 0) {
rc1 = rename(info->src, info->dest);
if (rc1 == -1)
rc1 = -errno;
+ lr_debug(DINFO, "rename returns %d\n", rc1);
}
- if (special_src) {
- lr_remove_pc(info->spfid, info->sfid);
- if (!special_dest)
- lr_cascade_move(info->sfid, info->dest, info);
- }
- if (special_dest)
- lr_add_pc(info->pfid, info->sfid, info->name);
+ if (special_src)
+ rc1 = lr_remove_pc(info->spfid, info->sfid);
+
+ if (!special_dest)
+ lr_cascade_move(info->sfid, info->dest, info);
+ else
+ rc1 = lr_add_pc(info->pfid, info->sfid, info->name);
lr_debug(DINFO, "move: %s [to] %s rc1=%d, errno=%d\n",
info->src, info->dest, rc1, errno);
if (rc1)
rc = rc1;
}
- return rc;
+ return rc;
}
/* Replicate a hard link */
break;
len = strlen(info->path) - strlen(info->name);
- if (len > 0 && strcmp(info->path + len,
+ if (len >= 0 && strcmp(info->path + len,
info->name) == 0)
snprintf(info->dest, PATH_MAX, "%s/%s",
status->ls_targets[info->target_no],
if (rc1)
rc = rc1;
}
- return rc;
+ return rc;
}
/* Replicate file attributes */
if (rc1)
rc = rc1;
}
- return rc;
+ return rc;
}
/* Replicate xattrs */
rc = rc1;
}
- return rc;
+ return rc;
}
/* Parse a line of changelog entry */
int lr_parse_line(void *priv, struct lr_info *info)
{
- struct changelog_ext_rec *rec;
-
- if (llapi_changelog_recv(priv, &rec) != 0)
- return -1;
-
- info->is_extended = CHANGELOG_REC_EXTENDED(rec);
- info->recno = rec->cr_index;
- info->type = rec->cr_type;
- sprintf(info->tfid, DFID, PFID(&rec->cr_tfid));
- sprintf(info->pfid, DFID, PFID(&rec->cr_pfid));
- strncpy(info->name, rec->cr_name, rec->cr_namelen);
-
- if (fid_is_sane(&rec->cr_sfid)) {
- sprintf(info->sfid, DFID, PFID(&rec->cr_sfid));
- sprintf(info->spfid, DFID, PFID(&rec->cr_spfid));
- strncpy(info->sname, changelog_rec_sname(rec),
- changelog_rec_snamelen(rec));
- info->sname[changelog_rec_snamelen(rec)] = '\0';
+ struct changelog_rec *rec;
+ struct changelog_ext_rename *rnm;
+ size_t namelen;
+ size_t copylen = sizeof(info->name);
+
+ if (llapi_changelog_recv(priv, &rec) != 0)
+ return -1;
+
+ info->is_extended = !!(rec->cr_flags & CLF_RENAME);
+ info->recno = rec->cr_index;
+ info->type = rec->cr_type;
+ snprintf(info->tfid, sizeof(info->tfid), DFID, PFID(&rec->cr_tfid));
+ snprintf(info->pfid, sizeof(info->pfid), DFID, PFID(&rec->cr_pfid));
+
+ namelen = strnlen(changelog_rec_name(rec), rec->cr_namelen);
+ if (copylen > namelen + 1)
+ copylen = namelen + 1;
+ strlcpy(info->name, changelog_rec_name(rec), copylen);
+
+ /* Don't use rnm if CLF_RENAME isn't set */
+ rnm = changelog_rec_rename(rec);
+ if (rec->cr_flags & CLF_RENAME && !fid_is_zero(&rnm->cr_sfid)) {
+ copylen = sizeof(info->sname);
+
+ snprintf(info->sfid, sizeof(info->sfid), DFID,
+ PFID(&rnm->cr_sfid));
+ snprintf(info->spfid, sizeof(info->spfid), DFID,
+ PFID(&rnm->cr_spfid));
+ namelen = changelog_rec_snamelen(rec);
+ if (copylen > namelen + 1)
+ copylen = namelen + 1;
+ strlcpy(info->sname, changelog_rec_sname(rec), copylen);
if (verbose > 1)
printf("Rec %lld: %d %s %s\n", info->recno, info->type,
info->name, info->sname);
} else {
- info->name[rec->cr_namelen] = '\0';
-
if (verbose > 1)
printf("Rec %lld: %d %s\n", info->recno, info->type,
info->name);
/* Initialize the replication parameters */
int lr_init_status()
{
- size_t size = sizeof(struct lustre_rsync_status) + PATH_MAX;
+ size_t size = sizeof(struct lustre_rsync_status) + PATH_MAX + 1;
if (status != NULL)
return 0;
struct lustre_rsync_status *s;
int fd = -1;
size_t size;
- size_t read_size = sizeof(struct lustre_rsync_status) + PATH_MAX;
+ size_t read_size = sizeof(struct lustre_rsync_status) + PATH_MAX + 1;
int rc = 0;
if (statuslog == NULL)
return 0;
s = calloc(1, read_size);
- if (s == NULL)
- GOTO(out, rc = -ENOMEM);
-
- fd = open(statuslog, O_RDONLY);
- if (fd == -1)
- GOTO(out, rc = -errno);
- size = read(fd, s, read_size);
- if (size != read_size)
- GOTO(out, rc = -EINVAL);
- if (read_size < s->ls_size) {
- read_size = s->ls_size;
- s = lr_grow_buf(s, read_size);
- if (s == NULL)
- GOTO(out, rc = -ENOMEM);
- if (lseek(fd, 0, SEEK_SET) == -1)
- GOTO(out, rc = -errno);
- size = read(fd, s, read_size);
- if (size != read_size)
- GOTO(out, rc = -EINVAL);
- }
+ if (s == NULL) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ fd = open(statuslog, O_RDONLY);
+ if (fd == -1) {
+ rc = -errno;
+ goto out;
+ }
+
+ size = read(fd, s, read_size);
+ if (size != read_size) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (read_size < s->ls_size) {
+ read_size = s->ls_size;
+ s = lr_grow_buf(s, read_size);
+ if (s == NULL) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ if (lseek(fd, 0, SEEK_SET) == -1) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ size = read(fd, s, read_size);
+ if (size != read_size) {
+ rc = -EINVAL;
+ goto out;
+ }
+ }
+
+ while (read(fd, &rec, sizeof(rec)) != 0) {
+ tmp = calloc(1, sizeof(*tmp));
+ if (!tmp) {
+ rc = -ENOMEM;
+ goto out;
+ }
- while (read(fd, &rec, sizeof(rec)) != 0) {
- tmp = calloc(1, sizeof(*tmp));
- if (!tmp)
- GOTO(out, rc = -ENOMEM);
tmp->pc_log = rec;
tmp->pc_next = parents;
parents = tmp;
if (status->ls_num_targets == 0) {
if (status->ls_size != s->ls_size) {
status = lr_grow_buf(status, s->ls_size);
- if (status == NULL)
- GOTO(out, rc = -ENOMEM);
+ if (status == NULL) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
status->ls_size = s->ls_size;
}
status->ls_num_targets = s->ls_num_targets;
memcpy(status->ls_targets, s->ls_targets,
- PATH_MAX * s->ls_num_targets);
+ (PATH_MAX + 1) * s->ls_num_targets);
}
if (status->ls_last_recno == -1)
status->ls_last_recno = s->ls_last_recno;
- if (status->ls_registration[0] == '\0')
- strncpy(status->ls_registration, s->ls_registration,
- LR_NAME_MAXLEN);
+ if (status->ls_registration[0] == '\0')
+ strlcpy(status->ls_registration, s->ls_registration,
+ sizeof(status->ls_registration));
- if (status->ls_mdt_device[0] == '\0')
- strncpy(status->ls_mdt_device, s->ls_mdt_device,
- LR_NAME_MAXLEN);
+ if (status->ls_mdt_device[0] == '\0')
+ strlcpy(status->ls_mdt_device, s->ls_mdt_device,
+ sizeof(status->ls_mdt_device));
- if (status->ls_source_fs[0] == '\0')
- strncpy(status->ls_source_fs, s->ls_source_fs,
- LR_NAME_MAXLEN);
+ if (status->ls_source_fs[0] == '\0')
+ strlcpy(status->ls_source_fs, s->ls_source_fs,
+ sizeof(status->ls_source_fs));
- if (status->ls_source[0] == '\0')
- strncpy(status->ls_source, s->ls_source, PATH_MAX);
+ if (status->ls_source[0] == '\0')
+ strlcpy(status->ls_source, s->ls_source,
+ sizeof(status->ls_source));
out:
if (fd != -1)
processing. */
int lr_clear_cl(struct lr_info *info, int force)
{
- char mdt_device[LR_NAME_MAXLEN + 1];
- long long rec;
- int rc = 0;
+ char mdt_device[LR_NAME_MAXLEN + 1];
+ long long rec;
+ int rc = 0;
if (force || info->recno > status->ls_last_recno + CLEAR_INTERVAL) {
if (info->type == CL_RENAME)
* device name so make a copy of it until this
* is fixed.
*/
- strncpy(mdt_device, status->ls_mdt_device,
- LR_NAME_MAXLEN);
+ strlcpy(mdt_device, status->ls_mdt_device,
+ sizeof(mdt_device));
rc = llapi_changelog_clear(mdt_device,
status->ls_registration,
rec);
if (statuslog != NULL)
printf("Statuslog: %s\n", statuslog);
printf("Changelog registration: %s\n", status->ls_registration);
- printf("Starting changelog record: "LPD64"\n", status->ls_last_recno);
+ printf("Starting changelog record: %jd\n",
+ (uintmax_t)status->ls_last_recno);
if (noxattr)
printf("Replicate xattrs: no\n");
if (noclear)
{
void *changelog_priv;
struct lr_info *info;
- struct lr_info *ext;
+ struct lr_info *ext = NULL;
time_t start;
int xattr_not_supp;
int i;
if (rc) {
fprintf(stderr, "Source path is not a valid Lustre client "
"mountpoint.\n");
- return rc;
+ goto out;
}
if (status->ls_mdt_device[0] == '\0')
snprintf(status->ls_mdt_device, LR_NAME_MAXLEN, "%s%s",
status->ls_source_fs, DEFAULT_MDT);
ext = calloc(1, sizeof(struct lr_info));
- if (ext == NULL)
- return -ENOMEM;
+ if (ext == NULL) {
+ rc = -ENOMEM;
+ goto out;
+ }
for (i = 0, xattr_not_supp = 0; i < status->ls_num_targets; i++) {
snprintf(info->dest, PATH_MAX, "%s/%s", status->ls_targets[i],
if (rc == -1 && errno != EEXIST) {
fprintf(stderr, "Error writing to target path %s.\n",
status->ls_targets[i]);
- return -errno;
+ rc = -errno;
+ goto out;
}
rc = llistxattr(info->src, info->xlist, info->xsize);
if (rc == -1 && errno == ENOTSUP) {
lr_print_status(info);
- /* Open changelogs for consumption*/
- rc = llapi_changelog_start(&changelog_priv, CHANGELOG_FLAG_BLOCK,
- status->ls_source_fs, status->ls_last_recno);
+ /* Open changelogs for consumption*/
+ rc = llapi_changelog_start(&changelog_priv,
+ CHANGELOG_FLAG_BLOCK | CHANGELOG_FLAG_JOBID,
+ status->ls_mdt_device, status->ls_last_recno);
if (rc < 0) {
fprintf(stderr, "Error opening changelog file for fs %s.\n",
status->ls_source_fs);
- return rc;
+ goto out;
}
while (!quit && lr_parse_line(changelog_priv, info) == 0) {
memcpy(info->spfid, info->pfid, sizeof(info->spfid));
memcpy(info->tfid, ext->tfid, sizeof(info->tfid));
memcpy(info->pfid, ext->pfid, sizeof(info->pfid));
- strncpy(info->sname, info->name, sizeof(info->sname));
- strncpy(info->name, ext->name, sizeof(info->name));
+ strlcpy(info->sname, info->name, sizeof(info->sname));
+ strlcpy(info->name, ext->name, sizeof(info->name));
info->is_extended = 1;
}
if (dryrun)
continue;
+ DEBUG_ENTRY(info);
+
switch(info->type) {
case CL_CREATE:
case CL_MKDIR:
case CL_XATTR:
rc = lr_setxattr(info);
break;
- case CL_CLOSE:
- case CL_EXT:
- case CL_OPEN:
- case CL_IOCTL:
- case CL_MARK:
- /* Nothing needs to be done for these entries */
- default:
- break;
- }
+ case CL_CLOSE:
+ case CL_EXT:
+ case CL_OPEN:
+ case CL_LAYOUT:
+ case CL_MARK:
+ /* Nothing needs to be done for these entries */
+ /* fallthrough */
+ default:
+ break;
+ }
+ DEBUG_EXIT(info, rc);
if (rc && rc != -ENOENT) {
lr_print_failure(info, rc);
errors++;
printf("Changelog records consumed: %lld\n", rec_count);
}
- return 0;
+ rc = 0;
+
+out:
+ if (info != NULL)
+ free(info);
+ if (ext != NULL)
+ free(ext);
+
+ return rc;
}
void
if ((rc = lr_init_status()) != 0)
return rc;
- while ((rc = getopt_long(argc, argv, "as:t:m:u:l:vx:zc:ry:n:d:",
- long_opts, NULL)) >= 0) {
+ while ((rc = getopt_long(argc, argv, "as:t:m:u:l:vx:zc:ry:n:d:D:",
+ long_opts, NULL)) >= 0) {
switch (rc) {
case 'a':
/* Assume absolute paths */
break;
case 's':
/* Assume absolute paths */
- strncpy(status->ls_source, optarg, PATH_MAX);
+ strlcpy(status->ls_source, optarg,
+ sizeof(status->ls_source));
break;
case 't':
status->ls_num_targets++;
status->ls_num_targets = numtargets;
}
newsize = sizeof (struct lustre_rsync_status) +
- (status->ls_num_targets * PATH_MAX);
+ (status->ls_num_targets * (PATH_MAX + 1));
if (status->ls_size != newsize) {
status->ls_size = newsize;
status = lr_grow_buf(status, newsize);
if (status == NULL)
return -ENOMEM;
}
- strncpy(status->ls_targets[status->ls_num_targets - 1],
- optarg,
- PATH_MAX);
- break;
- case 'm':
- strncpy(status->ls_mdt_device, optarg, LR_NAME_MAXLEN);
- break;
- case 'u':
- strncpy(status->ls_registration, optarg,
- LR_NAME_MAXLEN);
+ strlcpy(status->ls_targets[status->ls_num_targets - 1],
+ optarg, sizeof(status->ls_targets[0]));
+ break;
+ case 'm':
+ strlcpy(status->ls_mdt_device, optarg,
+ sizeof(status->ls_mdt_device));
+ break;
+ case 'u':
+ strlcpy(status->ls_registration, optarg,
+ sizeof(status->ls_registration));
break;
case 'l':
statuslog = optarg;
if (debug < 0 || debug > 2)
debug = 0;
break;
+ case 'D':
+ /* Undocumented option debug log file */
+ if (debug_log != NULL)
+ fclose(debug_log);
+ debug_log = fopen(optarg, "a");
+ if (debug_log == NULL) {
+ printf("Cannot open %s for debug log\n",
+ optarg);
+ return -1;
+ }
+ break;
default:
fprintf(stderr, "error: %s: option '%s' "
"unrecognized.\n", argv[0], argv[optind - 1]);
rc = lr_replicate();
- return rc;
+ if (debug_log != NULL)
+ fclose(debug_log);
+ return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff