extern int preserve_gid;
extern int update_only;
extern int opt_ignore_existing;
+extern int inplace;
+extern int make_backups;
extern int csum_length;
extern int ignore_times;
extern int size_only;
*
* Generate approximately one checksum every block_len bytes.
*/
-static void generate_and_send_sums(int fd, OFF_T len, int f_out)
+static void generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
{
size_t i;
struct map_struct *mapbuf;
uint32 sum1 = get_checksum1(map, n1);
char sum2[SUM_LENGTH];
+ if (f_copy >= 0)
+ full_write(f_copy, map, n1);
+
get_checksum2(map, n1, sum2);
if (verbose > 3) {
static void recv_generator(char *fname, struct file_struct *file, int i,
int f_out)
{
- int fd;
+ int fd, f_copy;
STRUCT_STAT st, partial_st;
+ struct file_struct *back_file;
int statret, stat_errno;
- char *fnamecmp, *partialptr;
+ char *fnamecmp, *partialptr, *backupptr;
char fnamecmpbuf[MAXPATHLEN];
if (list_only)
if (fd == -1) {
rsyserr(FERROR, errno, "failed to open %s, continuing",
full_fname(fnamecmp));
+ pretend_missing:
/* pretend the file didn't exist */
if (preserve_hard_links && hard_link_check(file, HL_SKIP))
return;
return;
}
+ if (inplace && make_backups) {
+ if (!(backupptr = get_backup_name(fname))) {
+ close(fd);
+ return;
+ }
+ if (!(back_file = make_file(fname, NULL, NO_EXCLUDES))) {
+ close(fd);
+ goto pretend_missing;
+ }
+ if (robust_unlink(backupptr) && errno != ENOENT) {
+ rsyserr(FERROR, errno, "unlink %s",
+ full_fname(backupptr));
+ free(back_file);
+ close(fd);
+ return;
+ }
+ if ((f_copy = do_open(backupptr,
+ O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
+ rsyserr(FERROR, errno, "open %s",
+ full_fname(backupptr));
+ free(back_file);
+ close(fd);
+ return;
+ }
+ } else {
+ backupptr = NULL;
+ back_file = NULL;
+ f_copy = -1;
+ }
+
if (verbose > 3) {
rprintf(FINFO, "gen mapped %s of size %.0f\n",
safe_fname(fnamecmp), (double)st.st_size);
rprintf(FINFO, "generating and sending sums for %d\n", i);
write_int(f_out,i);
- generate_and_send_sums(fd, st.st_size, f_out);
+ generate_and_send_sums(fd, st.st_size, f_out, f_copy);
+
+ if (f_copy >= 0) {
+ close(f_copy);
+ set_perms(backupptr, back_file, NULL, 0);
+ free(back_file);
+ }
close(fd);
}