extern int verbose;
extern int dry_run;
+extern int do_xfers;
extern int log_format_has_i;
extern int log_format_has_o_or_i;
extern int daemon_log_format_has_i;
extern int am_root;
extern int am_server;
extern int am_daemon;
+extern int do_progress;
extern int recurse;
extern int relative_paths;
extern int keep_dirlinks;
extern int module_id;
extern int ignore_errors;
extern int remove_sent_files;
+extern int delay_updates;
extern int update_only;
-extern int opt_ignore_existing;
+extern int ignore_existing;
+extern int ignore_non_existing;
extern int inplace;
+extern int append_mode;
extern int make_backups;
extern int csum_length;
extern int ignore_times;
extern int size_only;
extern OFF_T max_size;
-extern int io_timeout;
+extern OFF_T min_size;
extern int io_error;
+extern int allowed_lull;
+extern int sock_f_out;
extern int ignore_timeout;
extern int protocol_version;
extern int fuzzy_basis;
extern int always_checksum;
+extern int checksum_len;
extern char *partial_dir;
extern char *basis_dir[];
extern int compare_dest;
+extern int copy_dest;
extern int link_dest;
extern int whole_file;
-extern int local_server;
extern int list_only;
extern int read_batch;
-extern int only_existing;
extern int orig_umask;
extern int safe_symlinks;
extern long block_size; /* "long" because popt can't set an int32. */
extern char *backup_dir;
extern char *backup_suffix;
extern int backup_suffix_len;
-
+extern struct file_list *the_file_list;
extern struct filter_list_struct server_filter_list;
static int deletion_count = 0; /* used to implement --max-delete */
+static int can_link_symlinks = 1; /* start out optimistic */
+static int can_link_devices = 1;
+
+/* For calling delete_file() */
+#define DEL_FORCE_RECURSE (1<<1) /* recurse even w/o --force */
+#define DEL_TERSE (1<<3)
static int is_backup_file(char *fn)
/* Delete a file or directory. If DEL_FORCE_RECURSE is set in the flags, or if
- * force_delete is set, this will delete recursively as long as DEL_NO_RECURSE
- * is not set in the flags. */
+ * force_delete is set, this will delete recursively.
+ *
+ * Note that fname must point to a MAXPATHLEN buffer if the mode indicates it's
+ * a directory! (The buffer is used for recursion, but returned unchanged.)
+ */
static int delete_item(char *fname, int mode, int flags)
{
struct file_list *dirlist;
- char buf[MAXPATHLEN];
int j, dlen, zap_dir, ok;
+ unsigned remainder;
void *save_filters;
-
- if (max_delete && deletion_count >= max_delete)
- return -1;
+ char *p;
if (!S_ISDIR(mode)) {
+ if (max_delete && ++deletion_count > max_delete)
+ return 0;
if (make_backups && (backup_dir || !is_backup_file(fname)))
ok = make_backup(fname);
else
if (ok) {
if (!(flags & DEL_TERSE))
log_delete(fname, mode);
- deletion_count++;
return 0;
}
- if (errno == ENOENT)
+ if (errno == ENOENT) {
+ deletion_count--;
return 0;
+ }
rsyserr(FERROR, errno, "delete_file: unlink %s failed",
full_fname(fname));
return -1;
}
- zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse))
- && !(flags & DEL_NO_RECURSE);
- if (dry_run && zap_dir) {
+ zap_dir = flags & DEL_FORCE_RECURSE || (force_delete && recurse);
+ if ((max_delete && ++deletion_count > max_delete)
+ || (dry_run && zap_dir)) {
ok = 0;
errno = ENOTEMPTY;
} else if (make_backups && !backup_dir && !is_backup_file(fname)
if (ok) {
if (!(flags & DEL_TERSE))
log_delete(fname, mode);
- deletion_count++;
return 0;
}
- if (errno == ENOENT)
+ if (errno == ENOENT) {
+ deletion_count--;
return 0;
- if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) {
+ }
+ if (!zap_dir) {
rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
full_fname(fname));
return -1;
}
flags |= DEL_FORCE_RECURSE; /* mark subdir dels as not "in the way" */
+ deletion_count--;
- dlen = strlcpy(buf, fname, MAXPATHLEN);
- save_filters = push_local_filters(buf, dlen);
+ dlen = strlen(fname);
+ save_filters = push_local_filters(fname, dlen);
+
+ dirlist = get_dirlist(fname, dlen, 0);
+
+ p = fname + dlen;
+ if (dlen != 1 || *fname != '/')
+ *p++ = '/';
+ remainder = MAXPATHLEN - (p - fname);
- dirlist = get_dirlist(buf, dlen, 0);
for (j = dirlist->count; j--; ) {
struct file_struct *fp = dirlist->files[j];
if (fp->flags & FLAG_MOUNT_POINT)
continue;
- f_name_to(fp, buf);
- if (delete_item(buf, fp->mode, flags & ~DEL_TERSE) != 0) {
- flist_free(dirlist);
- return -1;
- }
+ strlcpy(p, fp->basename, remainder);
+ delete_item(fname, fp->mode, flags & ~DEL_TERSE);
}
flist_free(dirlist);
+ fname[dlen] = '\0';
+
pop_local_filters(save_filters);
- if (max_delete && deletion_count >= max_delete)
- return -1;
+ if (max_delete && ++deletion_count > max_delete)
+ return 0;
if (do_rmdir(fname) == 0) {
if (!(flags & DEL_TERSE))
log_delete(fname, mode);
- deletion_count++;
- } else if (errno != ENOTEMPTY && errno != ENOENT) {
+ } else if (errno != ENOTEMPTY && errno != EEXIST && errno != ENOENT) {
rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
full_fname(fname));
return -1;
* call will append names onto the end, but the old dir value will be restored
* on exit). */
static void delete_in_dir(struct file_list *flist, char *fbuf,
- struct file_struct *file, int allowed_lull)
+ struct file_struct *file)
{
static int min_depth = MAXPATHLEN, cur_depth = -1;
static void *filt_array[MAXPATHLEN/2+1];
+ static int already_warned = 0;
struct file_list *dirlist;
char delbuf[MAXPATHLEN];
STRUCT_STAT st;
rprintf(FINFO, "delete_in_dir(%s)\n", safe_fname(fbuf));
if (allowed_lull)
- maybe_send_keepalive(allowed_lull, flist->count);
+ maybe_send_keepalive();
if (file->dir.depth >= MAXPATHLEN/2+1)
return; /* Impossible... */
- if (max_delete && deletion_count >= max_delete)
- return;
-
if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
+ if (already_warned)
+ return;
rprintf(FINFO,
"IO error encountered -- skipping file deletion\n");
- max_delete = -1; /* avoid duplicating the above warning */
+ already_warned = 1;
return;
}
if (link_stat(fbuf, &st, keep_dirlinks) < 0)
return;
- if (one_file_system && file->flags & FLAG_TOP_DIR)
- filesystem_dev = st.st_dev;
+ if (one_file_system) {
+ if (file->flags & FLAG_TOP_DIR)
+ filesystem_dev = st.st_dev;
+ else if (filesystem_dev != st.st_dev)
+ return;
+ }
dirlist = get_dirlist(fbuf, dlen, 0);
/* If an item in dirlist is not found in flist, delete it
* from the filesystem. */
for (i = dirlist->count; i--; ) {
- if (!dirlist->files[i]->basename)
+ struct file_struct *fp = dirlist->files[i];
+ if (!fp->basename || fp->flags & FLAG_MOUNT_POINT)
continue;
- if (flist_find(flist, dirlist->files[i]) < 0) {
- int mode = dirlist->files[i]->mode;
- f_name_to(dirlist->files[i], delbuf);
- if (delete_item(delbuf, mode, DEL_FORCE_RECURSE) < 0)
- break;
+ if (flist_find(flist, fp) < 0) {
+ int mode = fp->mode;
+ f_name_to(fp, delbuf);
+ delete_item(delbuf, mode, DEL_FORCE_RECURSE);
}
}
/* This deletes any files on the receiving side that are not present on the
* sending side. This is used by --delete-before and --delete-after. */
-static void do_delete_pass(struct file_list *flist, int allowed_lull)
+static void do_delete_pass(struct file_list *flist)
{
char fbuf[MAXPATHLEN];
int j;
+ if (dry_run > 1 /* destination doesn't exist yet */
+ || list_only)
+ return;
+
for (j = 0; j < flist->count; j++) {
struct file_struct *file = flist->files[j];
if (verbose > 1 && file->flags & FLAG_TOP_DIR)
rprintf(FINFO, "deleting in %s\n", safe_fname(fbuf));
- delete_in_dir(flist, fbuf, file, allowed_lull);
+ delete_in_dir(flist, fbuf, file);
}
+ delete_in_dir(NULL, NULL, NULL);
+
+ if (do_progress && !am_server)
+ rprintf(FINFO, " \r");
}
-static int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
+int unchanged_attrs(struct file_struct *file, STRUCT_STAT *st)
{
if (preserve_perms
&& (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
return 1;
}
-
-static void itemize(struct file_struct *file, int statret, STRUCT_STAT *st,
- int32 iflags, int f_out, int ndx)
+void itemize(struct file_struct *file, int ndx, int statret, STRUCT_STAT *st,
+ int32 iflags, uchar fnamecmp_type, char *xname)
{
- if (statret == 0) {
+ if (statret >= 0) { /* A from-dest-dir statret can == 1! */
+ int keep_time = !preserve_times ? 0
+ : S_ISDIR(file->mode) ? !omit_dir_times
+ : !S_ISLNK(file->mode);
+
if (S_ISREG(file->mode) && file->length != st->st_size)
iflags |= ITEM_REPORT_SIZE;
- if (!(iflags & ITEM_NO_DEST_AND_NO_UPDATE)) {
- int keep_time = !preserve_times ? 0
- : S_ISDIR(file->mode) ? !omit_dir_times
- : !S_ISLNK(file->mode);
-
- if ((iflags & ITEM_UPDATING && !keep_time)
- || (keep_time && file->modtime != st->st_mtime))
- iflags |= ITEM_REPORT_TIME;
- if (preserve_perms && file->mode != st->st_mode)
- iflags |= ITEM_REPORT_PERMS;
- if (preserve_uid && am_root && file->uid != st->st_uid)
- iflags |= ITEM_REPORT_OWNER;
- if (preserve_gid && file->gid != GID_NONE
- && st->st_gid != file->gid)
- iflags |= ITEM_REPORT_GROUP;
- }
+ if ((iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !keep_time
+ && (!(iflags & ITEM_XNAME_FOLLOWS) || *xname))
+ || (keep_time && cmp_modtime(file->modtime, st->st_mtime) != 0))
+ iflags |= ITEM_REPORT_TIME;
+ if (preserve_perms
+ && (file->mode & CHMOD_BITS) != (st->st_mode & CHMOD_BITS))
+ iflags |= ITEM_REPORT_PERMS;
+ if (preserve_uid && am_root && file->uid != st->st_uid)
+ iflags |= ITEM_REPORT_OWNER;
+ if (preserve_gid && file->gid != GID_NONE
+ && st->st_gid != file->gid)
+ iflags |= ITEM_REPORT_GROUP;
} else
- iflags |= ITEM_IS_NEW | ITEM_UPDATING;
+ iflags |= ITEM_IS_NEW;
iflags &= 0xffff;
- if ((iflags || verbose > 1) && !read_batch) {
+ if ((iflags & SIGNIFICANT_ITEM_FLAGS || verbose > 1
+ || (xname && *xname)) && !read_batch) {
if (protocol_version >= 29) {
if (ndx >= 0)
- write_int(f_out, ndx);
- write_shortint(f_out, iflags);
+ write_int(sock_f_out, ndx);
+ write_shortint(sock_f_out, iflags);
+ if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
+ write_byte(sock_f_out, fnamecmp_type);
+ if (iflags & ITEM_XNAME_FOLLOWS)
+ write_vstring(sock_f_out, xname, strlen(xname));
} else if (ndx >= 0)
- log_recv(file, &stats, iflags);
+ log_item(file, &stats, iflags, xname);
}
}
/* Perform our quick-check heuristic for determining if a file is unchanged. */
-static int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
+int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
{
if (st->st_size != file->length)
return 0;
if (always_checksum && S_ISREG(st->st_mode)) {
char sum[MD4_SUM_LENGTH];
file_checksum(fn, sum, st->st_size);
- return memcmp(sum, file->u.sum, protocol_version < 21 ? 2
- : MD4_SUM_LENGTH) == 0;
+ return memcmp(sum, file->u.sum, checksum_len) == 0;
}
if (size_only)
* The block size is a rounded square root of file length.
*
* The checksum size is determined according to:
- * blocksum_bits = BLOCKSUM_EXP + 2*log2(file_len) - log2(block_len)
+ * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
* provided by Donovan Baarda which gives a probability of rsync
* algorithm corrupting data and falling back using the whole md4
* checksums.
sum->flength = len;
sum->blength = blength;
sum->s2length = s2length;
- sum->count = (len + (blength - 1)) / blength;
- sum->remainder = (len % blength);
+ sum->remainder = len % blength;
+ sum->count = len / blength + (sum->remainder != 0);
if (sum->count && verbose > 2) {
rprintf(FINFO,
OFF_T offset = 0;
sum_sizes_sqroot(&sum, len);
+ write_sum_head(f_out, &sum);
+
+ if (append_mode > 0 && f_copy < 0)
+ return;
if (len > 0)
mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
else
mapbuf = NULL;
- write_sum_head(f_out, &sum);
-
for (i = 0; i < sum.count; i++) {
int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
char *map = map_ptr(mapbuf, offset, n1);
- uint32 sum1 = get_checksum1(map, n1);
char sum2[SUM_LENGTH];
+ uint32 sum1;
+
+ len -= n1;
+ offset += n1;
- if (f_copy >= 0)
+ if (f_copy >= 0) {
full_write(f_copy, map, n1);
+ if (append_mode > 0)
+ continue;
+ }
+ sum1 = get_checksum1(map, n1);
get_checksum2(map, n1, sum2);
if (verbose > 3) {
rprintf(FINFO,
"chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n",
- (double)i, (double)offset, (long)n1,
+ (double)i, (double)offset - n1, (long)n1,
(unsigned long)sum1);
}
write_int(f_out, sum1);
write_buf(f_out, sum2, sum.s2length);
- len -= n1;
- offset += n1;
}
if (mapbuf)
{
int fname_len, fname_suf_len;
const char *fname_suf, *fname = file->basename;
- uint32 lowest_dist = 0x7FFFFFFF;
+ uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */
int j, lowest_j = -1;
fname_len = strlen(fname);
name = fp->basename;
if (fp->length == file->length
- && fp->modtime == file->modtime) {
+ && cmp_modtime(fp->modtime, file->modtime) == 0) {
if (verbose > 4) {
rprintf(FINFO,
"fuzzy size/modtime match for %s\n",
return lowest_j;
}
+void check_for_finished_hlinks(int itemizing, enum logcode code)
+{
+ struct file_struct *file;
+ int ndx;
+
+ while ((ndx = get_hlink_num()) != -1) {
+ if (ndx < 0 || ndx >= the_file_list->count)
+ continue;
+
+ file = the_file_list->files[ndx];
+ if (!file->link_u.links)
+ continue;
+
+ hard_link_cluster(file, ndx, itemizing, code);
+ }
+}
+
+/* This is only called for regular files. We return -2 if we've finished
+ * handling the file, -1 if no dest-linking occurred, or a non-negative
+ * value if we found an alternate basis file. */
+static int try_dests_reg(struct file_struct *file, char *fname, int ndx,
+ char *cmpbuf, STRUCT_STAT *stp, int itemizing,
+ int maybe_PERMS_REPORT, enum logcode code)
+{
+ int best_match = -1;
+ int match_level = 0;
+ int j = 0;
+
+ do {
+ pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
+ if (link_stat(cmpbuf, stp, 0) < 0 || !S_ISREG(stp->st_mode))
+ continue;
+ switch (match_level) {
+ case 0:
+ best_match = j;
+ match_level = 1;
+ /* FALL THROUGH */
+ case 1:
+ if (!unchanged_file(cmpbuf, file, stp))
+ continue;
+ best_match = j;
+ match_level = 2;
+ /* FALL THROUGH */
+ case 2:
+ if (!unchanged_attrs(file, stp))
+ continue;
+ if ((always_checksum || ignore_times)
+ && cmp_modtime(stp->st_mtime, file->modtime))
+ continue;
+ best_match = j;
+ match_level = 3;
+ break;
+ }
+ break;
+ } while (basis_dir[++j] != NULL);
+
+ if (!match_level)
+ return -1;
+
+ if (j != best_match) {
+ j = best_match;
+ pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
+ if (link_stat(cmpbuf, stp, 0) < 0)
+ match_level = 0;
+ }
+
+#ifdef HAVE_LINK
+ if (match_level == 3 && !copy_dest) {
+ if (link_dest) {
+ if (hard_link_one(file, ndx, fname, 0, stp,
+ cmpbuf, 1,
+ itemizing && verbose > 1,
+ code) < 0)
+ goto try_a_copy;
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
+ } else if (itemizing)
+ itemize(file, ndx, 0, stp, 0, 0, NULL);
+ if (verbose > 1 && maybe_PERMS_REPORT) {
+ code = daemon_log_format_has_i || dry_run
+ ? FCLIENT : FINFO;
+ rprintf(code, "%s is uptodate\n", safe_fname(fname));
+ }
+ return -2;
+ }
+#endif
+
+ if (match_level >= 2) {
+ try_a_copy: /* Copy the file locally. */
+ if (copy_file(cmpbuf, fname, file->mode) < 0) {
+ if (verbose) {
+ rsyserr(FINFO, errno, "copy_file %s => %s",
+ full_fname(cmpbuf), safe_fname(fname));
+ }
+ return -1;
+ }
+ if (itemizing)
+ itemize(file, ndx, 0, stp, ITEM_LOCAL_CHANGE, 0, NULL);
+ set_perms(fname, file, NULL, 0);
+ if (maybe_PERMS_REPORT
+ && ((!itemizing && verbose && match_level == 2)
+ || (verbose > 1 && match_level == 3))) {
+ code = daemon_log_format_has_i || dry_run
+ ? FCLIENT : FINFO;
+ rprintf(code, "%s%s\n", safe_fname(fname),
+ match_level == 3 ? " is uptodate" : "");
+ }
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
+ return -2;
+ }
+
+ return FNAMECMP_BASIS_DIR_LOW + j;
+}
+
+/* This is only called for non-regular files. We return -2 if we've finished
+ * handling the file, or -1 if no dest-linking occurred. */
+static int try_dests_non(struct file_struct *file, char *fname, int ndx,
+ int itemizing, int *possible_ptr,
+ int maybe_PERMS_REPORT, enum logcode code)
+{
+ char fnamebuf[MAXPATHLEN], lnk[MAXPATHLEN];
+ STRUCT_STAT st;
+ int len, i = 0;
+
+ do {
+ pathjoin(fnamebuf, MAXPATHLEN, basis_dir[i], fname);
+ if (link_stat(fnamebuf, &st, 0) < 0 || S_ISDIR(st.st_mode)
+ || !unchanged_attrs(file, &st))
+ continue;
+ if (S_ISLNK(file->mode)) {
+ if ((len = readlink(fnamebuf, lnk, MAXPATHLEN-1)) <= 0)
+ continue;
+ lnk[len] = '\0';
+ if (strcmp(lnk, file->u.link) != 0)
+ continue;
+ } else {
+ if (!IS_DEVICE(st.st_mode) || st.st_rdev != file->u.rdev)
+ continue;
+ }
+ if (link_dest) {
+ if (do_link(fnamebuf, fname) < 0) {
+ /* TODO improve this to be based on errno? */
+ *possible_ptr = 0;
+ break;
+ }
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
+ }
+ if (itemizing && log_format_has_i && verbose > 1) {
+ int changes = compare_dest ? 0 : ITEM_LOCAL_CHANGE
+ + (link_dest ? ITEM_XNAME_FOLLOWS : 0);
+ char *lp = link_dest ? "" : NULL;
+ itemize(file, ndx, 0, &st, changes, 0, lp);
+ }
+ if (verbose > 1 && maybe_PERMS_REPORT) {
+ code = daemon_log_format_has_i || dry_run
+ ? FCLIENT : FINFO;
+ rprintf(code, "%s is uptodate\n", safe_fname(fname));
+ }
+ return -2;
+ } while (basis_dir[++i] != NULL);
+
+ return -1;
+}
+
+static int phase = 0;
-/* Acts on flist->file's ndx'th item, whose name is fname. If a directory,
+/* Acts on the_file_list->file's ndx'th item, whose name is fname. If a dir,
* make sure it exists, and has the right permissions/timestamp info. For
* all other non-regular files (symlinks, etc.) we create them here. For
* regular files that have changed, we try to find a basis file and then
* start sending checksums.
*
+ * When fname is non-null, it must point to a MAXPATHLEN buffer!
+ *
* Note that f_out is set to -1 when doing final directory-permission and
* modification-time repair. */
-static void recv_generator(char *fname, struct file_list *flist,
- struct file_struct *file, int ndx,
+static void recv_generator(char *fname, struct file_struct *file, int ndx,
int itemizing, int maybe_PERMS_REPORT,
- enum logcode code, int allowed_lull,
- int f_out, int f_out_name)
+ enum logcode code, int f_out)
{
static int missing_below = -1, excluded_below = -1;
- static char *fuzzy_dirname = NULL;
+ static char *fuzzy_dirname = "";
static struct file_list *fuzzy_dirlist = NULL;
struct file_struct *fuzzy_file = NULL;
int fd = -1, f_copy = -1;
- STRUCT_STAT st, partial_st;
+ STRUCT_STAT st, real_st, partial_st;
struct file_struct *back_file = NULL;
- int statret, stat_errno;
+ int statret, real_ret, stat_errno;
char *fnamecmp, *partialptr, *backupptr = NULL;
char fnamecmpbuf[MAXPATHLEN];
uchar fnamecmp_type;
if (fuzzy_dirlist) {
flist_free(fuzzy_dirlist);
fuzzy_dirlist = NULL;
- fuzzy_dirname = NULL;
+ fuzzy_dirname = "";
}
if (missing_below >= 0) {
dry_run--;
S_ISDIR(file->mode)) < 0) {
if (S_ISDIR(file->mode))
excluded_below = file->dir.depth;
- skipping:
+ skipping:
if (verbose) {
rprintf(FINFO,
"skipping server-excluded file \"%s\"\n",
} else {
if (fuzzy_basis && S_ISREG(file->mode)) {
char *dn = file->dirname ? file->dirname : ".";
- /* Yes, identical dirnames are guaranteed to have
- * identical pointers at this point. */
- if (fuzzy_dirname != dn) {
+ if (fuzzy_dirname != dn
+ && strcmp(fuzzy_dirname, dn) != 0) {
if (fuzzy_dirlist)
flist_free(fuzzy_dirlist);
- fuzzy_dirname = dn;
- fuzzy_dirlist = get_dirlist(fuzzy_dirname, -1,
- 1);
+ fuzzy_dirlist = get_dirlist(dn, -1, 1);
}
+ fuzzy_dirname = dn;
}
statret = link_stat(fname, &st,
stat_errno = errno;
}
- if (only_existing && statret == -1 && stat_errno == ENOENT) {
- /* we only want to update existing files */
+ if (ignore_non_existing && statret == -1 && stat_errno == ENOENT) {
if (verbose > 1) {
- rprintf(FINFO, "not creating new file \"%s\"\n",
+ rprintf(FINFO, "not creating new %s \"%s\"\n",
+ S_ISDIR(file->mode) ? "directory" : "file",
safe_fname(fname));
}
return;
* we need to delete it. If it doesn't exist, then
* (perhaps recursively) create it. */
if (statret == 0 && !S_ISDIR(st.st_mode)) {
- delete_item(fname, st.st_mode, DEL_TERSE);
+ if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
+ return;
statret = -1;
}
if (dry_run && statret != 0 && missing_below < 0) {
missing_below = file->dir.depth;
dry_run++;
}
- if (itemizing && f_out != -1)
- itemize(file, statret, &st, 0, f_out, ndx);
- if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) {
+ if (itemizing && f_out != -1) {
+ itemize(file, ndx, statret, &st,
+ statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL);
+ }
+ if (statret != 0 && do_mkdir(fname,file->mode) < 0 && errno != EEXIST) {
if (!relative_paths || errno != ENOENT
|| create_directory_path(fname, orig_umask) < 0
- || do_mkdir(fname, file->mode) < 0) {
+ || (do_mkdir(fname, file->mode) < 0 && errno != EEXIST)) {
rsyserr(FERROR, errno,
"recv_generator: mkdir %s failed",
full_fname(fname));
if (set_perms(fname, file, statret ? NULL : &st, 0)
&& verbose && code && f_out != -1)
rprintf(code, "%s/\n", safe_fname(fname));
- if (delete_during && f_out != -1 && csum_length != SUM_LENGTH
+ if (delete_during && f_out != -1 && !phase && dry_run < 2
&& (file->flags & FLAG_DEL_HERE))
- delete_in_dir(flist, fname, file, allowed_lull);
+ delete_in_dir(the_file_list, fname, file);
return;
}
- if (max_size && file->length > max_size) {
- if (verbose > 1) {
- rprintf(FINFO, "%s is over max-size\n",
- safe_fname(fname));
- }
+ if (preserve_hard_links && file->link_u.links
+ && hard_link_check(file, ndx, fname, statret, &st,
+ itemizing, code, HL_CHECK_MASTER))
return;
- }
if (preserve_links && S_ISLNK(file->mode)) {
#ifdef SUPPORT_LINKS
if (safe_symlinks && unsafe_symlink(file->u.link, fname)) {
if (verbose) {
+ if (the_file_list->count == 1)
+ fname = f_name(file);
rprintf(FINFO,
"ignoring unsafe symlink %s -> \"%s\"\n",
full_fname(fname),
* required. */
if (strcmp(lnk, file->u.link) == 0) {
if (itemizing) {
- itemize(file, 0, &st, 0,
- f_out, ndx);
+ itemize(file, ndx, 0, &st, 0,
+ 0, NULL);
}
set_perms(fname, file, &st,
maybe_PERMS_REPORT);
+ if (preserve_hard_links
+ && file->link_u.links) {
+ hard_link_cluster(file, ndx,
+ itemizing,
+ code);
+ }
return;
}
}
/* Not the right symlink (or not a symlink), so
* delete it. */
- if (S_ISLNK(st.st_mode))
- delete_item(fname, st.st_mode, DEL_TERSE);
- else {
- delete_item(fname, st.st_mode, DEL_TERSE);
+ if (delete_item(fname, st.st_mode, DEL_TERSE) < 0)
+ return;
+ if (!S_ISLNK(st.st_mode))
statret = -1;
+ } else if (basis_dir[0] != NULL && can_link_symlinks) {
+ if (try_dests_non(file, fname, ndx, itemizing,
+ &can_link_symlinks,
+ maybe_PERMS_REPORT, code) == -2) {
+ if (!copy_dest)
+ return;
+ itemizing = code = 0;
}
}
+ if (preserve_hard_links && file->link_u.links
+ && hard_link_check(file, ndx, fname, -1, &st,
+ itemizing, code, HL_SKIP))
+ return;
if (do_symlink(file->u.link,fname) != 0) {
rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
full_fname(fname), safe_fname(file->u.link));
} else {
set_perms(fname,file,NULL,0);
if (itemizing) {
- itemize(file, statret, &st, ITEM_UPDATING,
- f_out, ndx);
+ itemize(file, ndx, statret, &st,
+ ITEM_LOCAL_CHANGE, 0, NULL);
}
if (code && verbose) {
rprintf(code, "%s -> %s\n", safe_fname(fname),
SIVAL(numbuf, 0, ndx);
send_msg(MSG_SUCCESS, numbuf, 4);
}
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
}
#endif
return;
}
if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
- if (statret != 0 ||
- st.st_mode != file->mode ||
- st.st_rdev != file->u.rdev) {
- delete_item(fname, st.st_mode, DEL_TERSE);
+ if (statret != 0
+ && (basis_dir[0] != NULL && can_link_devices)) {
+ if (try_dests_non(file, fname, ndx, itemizing,
+ &can_link_devices,
+ maybe_PERMS_REPORT, code) == -2) {
+ if (!copy_dest)
+ return;
+ itemizing = code = 0;
+ }
+ }
+ if (statret != 0
+ || (st.st_mode & ~CHMOD_BITS) != (file->mode & ~CHMOD_BITS)
+ || st.st_rdev != file->u.rdev) {
+ if (statret == 0
+ && delete_item(fname, st.st_mode, DEL_TERSE) < 0)
+ return;
+ if (preserve_hard_links && file->link_u.links
+ && hard_link_check(file, ndx, fname, -1, &st,
+ itemizing, code, HL_SKIP))
+ return;
if (!IS_DEVICE(st.st_mode))
statret = -1;
if (verbose > 2) {
safe_fname(fname),
(int)file->mode, (int)file->u.rdev);
}
- if (do_mknod(fname,file->mode,file->u.rdev) != 0) {
+ if (do_mknod(fname,file->mode,file->u.rdev) < 0) {
rsyserr(FERROR, errno, "mknod %s failed",
full_fname(fname));
} else {
set_perms(fname,file,NULL,0);
if (itemizing) {
- itemize(file, statret, &st, ITEM_UPDATING,
- f_out, ndx);
+ itemize(file, ndx, statret, &st,
+ ITEM_LOCAL_CHANGE, 0, NULL);
}
if (code && verbose) {
rprintf(code, "%s\n",
safe_fname(fname));
}
+ if (preserve_hard_links && file->link_u.links) {
+ hard_link_cluster(file, ndx,
+ itemizing, code);
+ }
}
} else {
- if (itemizing) {
- itemize(file, statret, &st, 0,
- f_out, ndx);
- }
+ if (itemizing)
+ itemize(file, ndx, statret, &st, 0, 0, NULL);
set_perms(fname, file, &st, maybe_PERMS_REPORT);
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
}
return;
}
- if (preserve_hard_links && hard_link_check(file, HL_CHECK_MASTER))
- return;
-
if (!S_ISREG(file->mode)) {
+ if (the_file_list->count == 1)
+ fname = f_name(file);
rprintf(FINFO, "skipping non-regular file \"%s\"\n",
safe_fname(fname));
return;
}
- if (opt_ignore_existing && statret == 0) {
+ if (max_size && file->length > max_size) {
+ if (verbose > 1) {
+ if (the_file_list->count == 1)
+ fname = f_name(file);
+ rprintf(FINFO, "%s is over max-size\n",
+ safe_fname(fname));
+ }
+ return;
+ }
+ if (min_size && file->length < min_size) {
+ if (verbose > 1) {
+ if (the_file_list->count == 1)
+ fname = f_name(file);
+ rprintf(FINFO, "%s is under min-size\n",
+ safe_fname(fname));
+ }
+ return;
+ }
+
+ if (ignore_existing && statret == 0) {
if (verbose > 1)
rprintf(FINFO, "%s exists\n", safe_fname(fname));
return;
fnamecmp = fname;
fnamecmp_type = FNAMECMP_FNAME;
- if (statret != 0 && basis_dir[0] != NULL) {
- int best_match = -1;
- int match_level = 0;
- int i = 0;
- do {
- pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
- basis_dir[i], fname);
- if (link_stat(fnamecmpbuf, &st, 0) < 0
- || !S_ISREG(st.st_mode))
- continue;
- switch (match_level) {
- case 0:
- best_match = i;
- match_level = 1;
- /* FALL THROUGH */
- case 1:
- if (!unchanged_file(fnamecmpbuf, file, &st))
- continue;
- best_match = i;
- match_level = 2;
- /* FALL THROUGH */
- case 2:
- if (!unchanged_attrs(file, &st))
- continue;
- best_match = i;
- match_level = 3;
- break;
- }
- break;
- } while (basis_dir[++i] != NULL);
- if (match_level) {
- statret = 0;
- if (i != best_match) {
- i = best_match;
- pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
- basis_dir[i], fname);
- if (link_stat(fnamecmpbuf, &st, 0) < 0) {
- match_level = 0;
- statret = -1;
- stat_errno = errno;
- }
- }
-#ifdef HAVE_LINK
- if (link_dest && match_level == 3
- && do_link(fnamecmpbuf, fname) < 0) {
- if (verbose) {
- rsyserr(FINFO, errno, "link %s => %s",
- full_fname(fnamecmpbuf),
- safe_fname(fname));
- }
- match_level = 2;
- }
-#endif
- if (compare_dest || (match_level && match_level < 3)) {
- fnamecmp = fnamecmpbuf;
- fnamecmp_type = i;
- }
- }
- }
-
if (statret == 0 && !S_ISREG(st.st_mode)) {
if (delete_item(fname, st.st_mode, DEL_TERSE) != 0)
return;
stat_errno = ENOENT;
}
+ if (statret != 0 && basis_dir[0] != NULL) {
+ int j = try_dests_reg(file, fname, ndx, fnamecmpbuf, &st,
+ itemizing, maybe_PERMS_REPORT, code);
+ if (j == -2)
+ return;
+ if (j != -1) {
+ fnamecmp = fnamecmpbuf;
+ fnamecmp_type = j;
+ statret = 0;
+ }
+ }
+
+ real_ret = statret;
+ real_st = st;
+
if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
&& link_stat(partialptr, &partial_st, 0) == 0
&& S_ISREG(partial_st.st_mode)) {
rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
safe_fname(fname), safe_fname(fnamecmpbuf));
}
- st.st_mode = fuzzy_file->mode;
st.st_size = fuzzy_file->length;
- st.st_mtime = fuzzy_file->modtime;
statret = 0;
fnamecmp = fnamecmpbuf;
fnamecmp_type = FNAMECMP_FUZZY;
}
if (statret != 0) {
- if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+ if (preserve_hard_links && file->link_u.links
+ && hard_link_check(file, ndx, fname, statret, &st,
+ itemizing, code, HL_SKIP))
return;
if (stat_errno == ENOENT)
goto notify_others;
- if (verbose > 1) {
- rsyserr(FERROR, stat_errno,
- "recv_generator: failed to stat %s",
- full_fname(fname));
- }
+ rsyserr(FERROR, stat_errno, "recv_generator: failed to stat %s",
+ full_fname(fname));
return;
}
- if (!compare_dest && fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
+ if (append_mode && st.st_size > file->length)
+ return;
+
+ if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
;
else if (fnamecmp_type == FNAMECMP_FUZZY)
;
else if (unchanged_file(fnamecmp, file, &st)) {
- if (fnamecmp_type == FNAMECMP_FNAME) {
- if (itemizing)
- itemize(file, statret, &st, 0, f_out, ndx);
- set_perms(fname, file, &st, maybe_PERMS_REPORT);
- return;
+ if (partialptr) {
+ do_unlink(partialptr);
+ handle_partial_dir(partialptr, PDIR_DELETE);
}
- /* Only --compare-dest gets here. */
- if (unchanged_attrs(file, &st)) {
- itemize(file, statret, &st, ITEM_NO_DEST_AND_NO_UPDATE,
- f_out, ndx);
- return;
+ if (itemizing) {
+ itemize(file, ndx, real_ret, &real_st,
+ 0, 0, NULL);
}
+ set_perms(fname, file, &st, maybe_PERMS_REPORT);
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
+ return;
}
-prepare_to_open:
+ prepare_to_open:
if (partialptr) {
st = partial_st;
fnamecmp = partialptr;
statret = 0;
}
- if (dry_run || read_batch || whole_file)
+ if (!do_xfers || read_batch || whole_file)
goto notify_others;
if (fuzzy_basis) {
if (fd == -1) {
rsyserr(FERROR, errno, "failed to open %s, continuing",
full_fname(fnamecmp));
- pretend_missing:
+ pretend_missing:
/* pretend the file didn't exist */
- if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+ if (preserve_hard_links && file->link_u.links
+ && hard_link_check(file, ndx, fname, statret, &st,
+ itemizing, code, HL_SKIP))
return;
- statret = -1;
+ statret = real_ret = -1;
goto notify_others;
}
- if (inplace && make_backups) {
+ if (inplace && make_backups && fnamecmp_type == FNAMECMP_FNAME) {
if (!(backupptr = get_backup_name(fname))) {
close(fd);
return;
if (verbose > 2)
rprintf(FINFO, "generating and sending sums for %d\n", ndx);
-notify_others:
+ notify_others:
write_int(f_out, ndx);
if (itemizing) {
- int iflags = ITEM_UPDATING;
+ int iflags = ITEM_TRANSFER;
if (always_checksum)
iflags |= ITEM_REPORT_CHECKSUM;
if (fnamecmp_type != FNAMECMP_FNAME)
- iflags |= ITEM_USING_ALT_BASIS;
- itemize(file, statret, &st, iflags, f_out, -1);
- }
- if (f_out_name >= 0) {
- write_byte(f_out_name, fnamecmp_type);
- if (fnamecmp_type == FNAMECMP_FUZZY) {
- uchar lenbuf[3], *lb = lenbuf;
- int len = strlen(fuzzy_file->basename);
- if (len > 0x7F) {
-#if MAXPATHLEN > 0x7FFF
- *lb++ = len / 0x10000 + 0x80;
- *lb++ = len / 0x100;
-#else
- *lb++ = len / 0x100 + 0x80;
-#endif
- }
- *lb = len;
- write_buf(f_out_name, (char*)lenbuf, lb - lenbuf + 1);
- write_buf(f_out_name, fuzzy_file->basename, len);
- }
+ iflags |= ITEM_BASIS_TYPE_FOLLOWS;
+ if (fnamecmp_type == FNAMECMP_FUZZY)
+ iflags |= ITEM_XNAME_FOLLOWS;
+ itemize(file, -1, real_ret, &real_st, iflags, fnamecmp_type,
+ fuzzy_file ? fuzzy_file->basename : NULL);
}
- if (dry_run || read_batch)
+ if (!do_xfers) {
+ if (preserve_hard_links && file->link_u.links)
+ hard_link_cluster(file, ndx, itemizing, code);
+ return;
+ }
+ if (read_batch)
return;
if (statret != 0 || whole_file) {
}
-void generate_files(int f_out, struct file_list *flist, char *local_name,
- int f_out_name)
+void generate_files(int f_out, struct file_list *flist, char *local_name)
{
int i;
- int phase = 0;
char fbuf[MAXPATHLEN];
int itemizing, maybe_PERMS_REPORT;
enum logcode code;
+ int lull_mod = allowed_lull * 5;
int need_retouch_dir_times = preserve_times && !omit_dir_times;
int need_retouch_dir_perms = 0;
- int save_only_existing = only_existing;
- int save_opt_ignore_existing = opt_ignore_existing;
- int allowed_lull = read_batch ? 0 : (io_timeout + 1) / 2;
- int lull_mod = allowed_lull * 5;
+ int save_ignore_existing = ignore_existing;
+ int save_ignore_non_existing = ignore_non_existing;
+ int save_do_progress = do_progress;
+ int save_make_backups = make_backups;
if (protocol_version >= 29) {
itemizing = 1;
maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
code = daemon_log_format_has_i ? 0 : FLOG;
} else if (am_daemon) {
- itemizing = daemon_log_format_has_i && !dry_run;
+ itemizing = daemon_log_format_has_i && do_xfers;
maybe_PERMS_REPORT = PERMS_REPORT;
- code = itemizing || dry_run ? FCLIENT : FINFO;
+ code = itemizing || !do_xfers ? FCLIENT : FINFO;
} else if (!am_server) {
itemizing = log_format_has_i;
maybe_PERMS_REPORT = log_format_has_i ? 0 : PERMS_REPORT;
}
if (delete_before && !local_name && flist->count > 0)
- do_delete_pass(flist, allowed_lull);
+ do_delete_pass(flist);
+ do_progress = 0;
- if (whole_file < 0)
+ if (append_mode || whole_file < 0)
whole_file = 0;
if (verbose >= 2) {
rprintf(FINFO, "delta-transmission %s\n",
: "enabled");
}
- if (protocol_version < 29)
- ignore_timeout = 1;
+ /* Since we often fill up the outgoing socket and then just sit around
+ * waiting for the other 2 processes to do their thing, we don't want
+ * to exit on a timeout. If the data stops flowing, the receiver will
+ * notice that and let us know via the redo pipe (or its closing). */
+ ignore_timeout = 1;
for (i = 0; i < flist->count; i++) {
struct file_struct *file = flist->files[i];
- struct file_struct copy;
if (!file->basename)
continue;
+ if (local_name)
+ strlcpy(fbuf, local_name, sizeof fbuf);
+ else
+ f_name_to(file, fbuf);
+ recv_generator(fbuf, file, i, itemizing, maybe_PERMS_REPORT,
+ code, f_out);
+
/* We need to ensure that any dirs we create have writeable
* permissions during the time we are putting files within
* them. This is then fixed after the transfer is done. */
- if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)) {
- copy = *file;
- copy.mode |= S_IWUSR; /* user write */
- file = ©
+#ifdef HAVE_CHMOD
+ if (!am_root && S_ISDIR(file->mode) && !(file->mode & S_IWUSR)
+ && !list_only) {
+ int mode = file->mode | S_IWUSR; /* user write */
+ char *fname = local_name ? local_name : fbuf;
+ if (do_chmod(fname, mode) < 0) {
+ rsyserr(FERROR, errno,
+ "failed to modify permissions on %s",
+ full_fname(fname));
+ }
need_retouch_dir_perms = 1;
}
+#endif
- recv_generator(local_name ? local_name : f_name_to(file, fbuf),
- flist, file, i, itemizing, maybe_PERMS_REPORT,
- code, allowed_lull, f_out, f_out_name);
+ if (preserve_hard_links)
+ check_for_finished_hlinks(itemizing, code);
if (allowed_lull && !(i % lull_mod))
- maybe_send_keepalive(allowed_lull, flist->count);
+ maybe_send_keepalive();
+ else if (!(i % 200))
+ maybe_flush_socket();
}
- recv_generator(NULL, NULL, NULL, 0, 0, 0, code, 0, -1, -1);
+ recv_generator(NULL, NULL, 0, 0, 0, code, -1);
if (delete_during)
- delete_in_dir(NULL, NULL, NULL, 0);
+ delete_in_dir(NULL, NULL, NULL);
phase++;
csum_length = SUM_LENGTH;
- only_existing = max_size = opt_ignore_existing = 0;
+ max_size = min_size = ignore_existing = ignore_non_existing = 0;
update_only = always_checksum = size_only = 0;
ignore_times = 1;
+ if (append_mode) /* resend w/o append mode */
+ append_mode = -1; /* ... but only longer files */
make_backups = 0; /* avoid a duplicate backup for inplace processing */
- /* We expect to just sit around now, so don't exit on a timeout.
- * If we really get a timeout then the other process should exit. */
- ignore_timeout = 1;
-
if (verbose > 2)
rprintf(FINFO,"generate_files phase=%d\n",phase);
/* files can cycle through the system more than once
* to catch initial checksum errors */
- while ((i = get_redo_num()) != -1) {
+ while ((i = get_redo_num(itemizing, code)) != -1) {
struct file_struct *file = flist->files[i];
- recv_generator(local_name ? local_name : f_name_to(file, fbuf),
- flist, file, i, itemizing, maybe_PERMS_REPORT,
- code, allowed_lull, f_out, f_out_name);
+ if (local_name)
+ strlcpy(fbuf, local_name, sizeof fbuf);
+ else
+ f_name_to(file, fbuf);
+ recv_generator(fbuf, file, i, itemizing, maybe_PERMS_REPORT,
+ code, f_out);
}
phase++;
- only_existing = save_only_existing;
- opt_ignore_existing = save_opt_ignore_existing;
+ ignore_non_existing = save_ignore_non_existing;
+ ignore_existing = save_ignore_existing;
+ make_backups = save_make_backups;
if (verbose > 2)
rprintf(FINFO,"generate_files phase=%d\n",phase);
write_int(f_out, -1);
+ /* Reduce round-trip lag-time for a useless delay-updates phase. */
+ if (protocol_version >= 29 && !delay_updates)
+ write_int(f_out, -1);
- /* Read post-redo-phase MSG_DONE and any prior messages. */
- get_redo_num();
+ /* Read MSG_DONE for the redo phase (and any prior messages). */
+ get_redo_num(itemizing, code);
- if (preserve_hard_links)
- do_hard_links(allowed_lull, flist->count);
+ if (protocol_version >= 29) {
+ phase++;
+ if (verbose > 2)
+ rprintf(FINFO, "generate_files phase=%d\n", phase);
+ if (delay_updates)
+ write_int(f_out, -1);
+ /* Read MSG_DONE for delay-updates phase & prior messages. */
+ get_redo_num(itemizing, code);
+ }
+ do_progress = save_do_progress;
if (delete_after && !local_name && flist->count > 0)
- do_delete_pass(flist, allowed_lull);
+ do_delete_pass(flist);
if ((need_retouch_dir_perms || need_retouch_dir_times)
&& !list_only && !local_name && !dry_run) {
continue;
if (!need_retouch_dir_times && file->mode & S_IWUSR)
continue;
- recv_generator(local_name ? local_name : f_name(file),
- flist, file, i, itemizing,
- maybe_PERMS_REPORT, code, allowed_lull,
- -1, -1);
- if (allowed_lull && !(j++ % lull_mod))
- maybe_send_keepalive(allowed_lull, flist->count);
+ recv_generator(f_name(file), file, i, itemizing,
+ maybe_PERMS_REPORT, code, -1);
+ if (allowed_lull && !(++j % lull_mod))
+ maybe_send_keepalive();
+ else if (!(j % 200))
+ maybe_flush_socket();
}
}
- recv_generator(NULL, NULL, NULL, 0, 0, 0, code, 0, -1, -1);
+ recv_generator(NULL, NULL, 0, 0, 0, code, -1);
+
+ if (max_delete > 0 && deletion_count > max_delete) {
+ rprintf(FINFO,
+ "Deletions stopped due to --max-delete limit (%d skipped)\n",
+ deletion_count - max_delete);
+ io_error |= IOERR_DEL_LIMIT;
+ }
if (verbose > 2)
rprintf(FINFO,"generate_files finished\n");