extern int orig_umask;
extern int keep_partial;
extern int checksum_seed;
+extern int inplace;
+
+extern struct exclude_list_struct server_exclude_list;
+
static void delete_one(char *fn, int is_dir)
{
}
-static int receive_data(int f_in,struct map_struct *mapbuf,int fd,char *fname,
- OFF_T total_size)
+static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
+ char *fname, int fd, OFF_T total_size)
{
- int i;
+ static char file_sum1[MD4_SUM_LENGTH];
+ static char file_sum2[MD4_SUM_LENGTH];
+ struct map_struct *mapbuf;
struct sum_struct sum;
unsigned int len;
OFF_T offset = 0;
OFF_T offset2;
char *data;
- static char file_sum1[MD4_SUM_LENGTH];
- static char file_sum2[MD4_SUM_LENGTH];
+ int i;
char *map = NULL;
read_sum_head(f_in, &sum);
+ if (fd_r >= 0 && size_r > 0) {
+ mapbuf = map_file(fd_r, size_r, sum.blength);
+ if (verbose > 2) {
+ rprintf(FINFO, "recv mapped %s of size %.0f\n",
+ fname_r, (double)size_r);
+ }
+ } else
+ mapbuf = NULL;
+
sum_init(checksum_seed);
while ((i = recv_token(f_in, &data)) != 0) {
sum_update(map,len);
}
- if (fd != -1 && write_file(fd, map, len) != (int)len) {
- rsyserr(FERROR, errno, "write failed on %s",
- full_fname(fname));
- exit_cleanup(RERR_FILEIO);
+ if (!inplace || offset != offset2) {
+ if (fd != -1 && write_file(fd, map, len) != (int)len) {
+ rsyserr(FERROR, errno, "write failed on %s",
+ full_fname(fname));
+ exit_cleanup(RERR_FILEIO);
+ }
+ } else {
+ flush_write_file(fd);
+ if (do_lseek(fd,(OFF_T)len,SEEK_CUR) != offset+len) {
+ rprintf(FERROR, "lseek failed on %s: %s, %lli, %lli, %i\n",
+ full_fname(fname), strerror(errno),
+ do_lseek(fd, 0, SEEK_CUR),
+ offset + len, i);
+ exit_cleanup(RERR_FILEIO);
+ }
}
offset += len;
}
flush_write_file(fd);
+#ifdef HAVE_FTRUNCATE
+ if (inplace)
+ ftruncate(fd, offset);
+#endif
+
if (do_progress)
end_progress(total_size);
sum_end(file_sum1);
+ if (mapbuf)
+ unmap_file(mapbuf);
+
read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
if (verbose > 2)
rprintf(FINFO,"got file_sum\n");
}
+static void discard_receive_data(int f_in, OFF_T length)
+{
+ receive_data(f_in, NULL, -1, 0, NULL, -1, length);
+}
+
+
/**
* main routine for receiver process.
*
* Receiver process runs on the same host as the generator process. */
-int recv_files(int f_in,struct file_list *flist,char *local_name)
+int recv_files(int f_in, struct file_list *flist, char *local_name)
{
int fd1,fd2;
STRUCT_STAT st;
char fnametmp[MAXPATHLEN];
char *fnamecmp;
char fnamecmpbuf[MAXPATHLEN];
- struct map_struct *mapbuf;
struct file_struct *file;
struct stats initial_stats;
int save_make_backups = make_backups;
if (i == -1) {
if (phase)
break;
+
phase = 1;
csum_length = SUM_LENGTH;
if (verbose > 2)
fnamecmp = fname;
+ if (server_exclude_list.head
+ && check_exclude(&server_exclude_list, fname,
+ S_ISDIR(file->mode)) < 0) {
+ if (verbose) {
+ rprintf(FINFO,
+ "skipping server-excluded update for \"%s\"\n",
+ fname);
+ }
+ discard_receive_data(f_in, file->length);
+ continue;
+ }
+
/* open the file */
fd1 = do_open(fnamecmp, O_RDONLY, 0);
if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
rsyserr(FERROR, errno, "fstat %s failed",
full_fname(fnamecmp));
- receive_data(f_in,NULL,-1,NULL,file->length);
+ discard_receive_data(f_in, file->length);
close(fd1);
continue;
}
*/
rprintf(FERROR,"recv_files: %s is a directory\n",
full_fname(fnamecmp));
- receive_data(f_in, NULL, -1, NULL, file->length);
+ discard_receive_data(f_in, file->length);
close(fd1);
continue;
}
if (fd1 != -1 && !S_ISREG(st.st_mode)) {
close(fd1);
fd1 = -1;
- mapbuf = NULL;
}
if (fd1 != -1 && !preserve_perms) {
file->mode = st.st_mode;
}
- if (fd1 != -1 && st.st_size > 0) {
- mapbuf = map_file(fd1,st.st_size);
- if (verbose > 2) {
- rprintf(FINFO, "recv mapped %s of size %.0f\n",
- fnamecmp, (double)st.st_size);
+ /* We now check to see if we are writing file "inplace" */
+ if (inplace) {
+ fd2 = do_open(fnamecmp, O_WRONLY|O_CREAT, 0);
+ if (fd2 == -1) {
+ rsyserr(FERROR, errno, "open %s failed",
+ full_fname(fnamecmp));
+ discard_receive_data(f_in, file->length);
+ if (fd1 != -1)
+ close(fd1);
+ continue;
}
- } else
- mapbuf = NULL;
-
- if (!get_tmpname(fnametmp,fname)) {
- if (mapbuf)
- unmap_file(mapbuf);
- if (fd1 != -1)
- close(fd1);
- continue;
- }
+ } else {
+ if (!get_tmpname(fnametmp,fname)) {
+ discard_receive_data(f_in, file->length);
+ if (fd1 != -1)
+ close(fd1);
+ continue;
+ }
+
+ strlcpy(template, fnametmp, sizeof template);
- strlcpy(template, fnametmp, sizeof template);
-
- /* we initially set the perms without the
- * setuid/setgid bits to ensure that there is no race
- * condition. They are then correctly updated after
- * the lchown. Thanks to snabb@epipe.fi for pointing
- * this out. We also set it initially without group
- * access because of a similar race condition. */
- fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
-
- /* in most cases parent directories will already exist
- * because their information should have been previously
- * transferred, but that may not be the case with -R */
- if (fd2 == -1 && relative_paths && errno == ENOENT &&
- create_directory_path(fnametmp, orig_umask) == 0) {
- strlcpy(fnametmp, template, sizeof fnametmp);
+ /* we initially set the perms without the
+ * setuid/setgid bits to ensure that there is no race
+ * condition. They are then correctly updated after
+ * the lchown. Thanks to snabb@epipe.fi for pointing
+ * this out. We also set it initially without group
+ * access because of a similar race condition. */
fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
- }
- if (fd2 == -1) {
- rsyserr(FERROR, errno, "mkstemp %s failed",
- full_fname(fnametmp));
- receive_data(f_in,mapbuf,-1,NULL,file->length);
- if (mapbuf)
- unmap_file(mapbuf);
- if (fd1 != -1)
- close(fd1);
- continue;
- }
- cleanup_set(fnametmp, fname, file, mapbuf, fd1, fd2);
+ /* in most cases parent directories will already exist
+ * because their information should have been previously
+ * transferred, but that may not be the case with -R */
+ if (fd2 == -1 && relative_paths && errno == ENOENT
+ && create_directory_path(fnametmp, orig_umask) == 0) {
+ strlcpy(fnametmp, template, sizeof fnametmp);
+ fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
+ }
+ if (fd2 == -1) {
+ rsyserr(FERROR, errno, "mkstemp %s failed",
+ full_fname(fnametmp));
+ discard_receive_data(f_in, file->length);
+ if (fd1 != -1)
+ close(fd1);
+ continue;
+ }
+
+ cleanup_set(fnametmp, fname, file, fd1, fd2);
+ }
if (!am_server && verbose)
rprintf(FINFO, "%s\n", fname);
/* recv file data */
- recv_ok = receive_data(f_in,mapbuf,fd2,fname,file->length);
+ recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
+ fname, fd2, file->length);
log_recv(file, &initial_stats);
- if (mapbuf)
- unmap_file(mapbuf);
if (fd1 != -1)
close(fd1);
if (close(fd2) < 0) {
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff