I have benchmarked this a little, and it appears to slow things down
for a local copy, so the old algorithm is used for local copies.
---- orig/flist.c 2005-11-07 04:29:01
+--- orig/flist.c 2005-11-10 16:58:36
+++ flist.c 2005-09-16 16:41:25
@@ -36,6 +36,7 @@ extern int am_daemon;
extern int am_sender;
@@ -707,6 +708,16 @@ static struct file_struct *receive_file_
sum = empty_sum;
}
- read_buf(f, sum, slen);
+ read_buf(f, sum, checksum_len);
+ if (pre_checksum) {
+ char sum2[MD4_SUM_LENGTH];
+ STRUCT_STAT st;
+ char *fname = f_name(file);
+ if (stat(fname, &st) == 0 && st.st_size == file_length) {
+ file_checksum(fname, sum2, st.st_size);
-+ if (memcmp(sum, sum2, slen) != 0)
++ if (memcmp(sum, sum2, checksum_len) != 0)
+ file->flags |= FLAG_SUM_DIFFERS;
+ }
+ }
}
if (!preserve_perms) {
---- orig/generator.c 2005-10-30 22:30:28
-+++ generator.c 2005-09-16 16:41:25
+--- orig/generator.c 2005-11-10 16:58:36
++++ generator.c 2005-11-10 03:16:39
@@ -69,6 +69,7 @@ extern int ignore_timeout;
extern int protocol_version;
extern int fuzzy_basis;
extern int always_checksum;
+extern int pre_checksum;
+ extern int checksum_len;
extern char *partial_dir;
extern char *basis_dir[];
- extern int compare_dest;
-@@ -359,7 +360,8 @@ void itemize(struct file_struct *file, i
+@@ -375,7 +376,8 @@ void itemize(struct file_struct *file, i
/* Perform our quick-check heuristic for determining if a file is unchanged. */
{
if (st->st_size != file->length)
return 0;
-@@ -368,6 +370,8 @@ static int unchanged_file(char *fn, stru
+@@ -384,6 +386,8 @@ static int unchanged_file(char *fn, stru
of the file time to determine whether to sync */
if (always_checksum && S_ISREG(st->st_mode)) {
char sum[MD4_SUM_LENGTH];
+ if (pre_checksum && fnamecmp_type == FNAMECMP_FNAME)
+ return !(file->flags & FLAG_SUM_DIFFERS);
file_checksum(fn, sum, st->st_size);
- return memcmp(sum, file->u.sum, protocol_version < 21 ? 2
- : MD4_SUM_LENGTH) == 0;
-@@ -923,7 +927,7 @@ static void recv_generator(char *fname,
+ return memcmp(sum, file->u.sum, checksum_len) == 0;
+ }
+@@ -940,7 +944,7 @@ static void recv_generator(char *fname,
match_level = 1;
/* FALL THROUGH */
case 1:
continue;
best_match = i;
match_level = 2;
-@@ -1051,7 +1055,7 @@ static void recv_generator(char *fname,
+@@ -1068,7 +1072,7 @@ static void recv_generator(char *fname,
;
else if (fnamecmp_type == FNAMECMP_FUZZY)
;
- else if (unchanged_file(fnamecmp, file, &st)) {
+ else if (unchanged_file(fnamecmp, fnamecmp_type, file, &st)) {
- if (fnamecmp_type == FNAMECMP_FNAME) {
- if (itemizing) {
- itemize(file, ndx, real_ret, &real_st,
---- orig/main.c 2005-11-02 07:22:12
+ if (partialptr) {
+ do_unlink(partialptr);
+ handle_partial_dir(partialptr, PDIR_DELETE);
+--- orig/main.c 2005-11-10 16:58:36
+++ main.c 2005-11-07 05:00:49
@@ -45,6 +45,7 @@ extern int copy_links;
extern int keep_dirlinks;
int save_verbose = verbose;
if (filesfrom_fd >= 0) {
-@@ -677,6 +681,10 @@ static void do_server_recv(int f_in, int
+@@ -676,6 +680,10 @@ static void do_server_recv(int f_in, int
filesfrom_fd = -1;
}
flist = recv_file_list(f_in);
verbose = save_verbose;
if (!flist) {
-@@ -685,6 +693,9 @@ static void do_server_recv(int f_in, int
+@@ -684,6 +692,9 @@ static void do_server_recv(int f_in, int
}
the_file_list = flist;
if (argc > 0)
local_name = get_local_name(flist,argv[0]);
-@@ -733,6 +744,7 @@ int client_run(int f_in, int f_out, pid_
+@@ -732,6 +743,7 @@ int client_run(int f_in, int f_out, pid_
{
struct file_list *flist = NULL;
int exit_code = 0, exit_code2 = 0;
char *local_name = NULL;
cleanup_child_pid = pid;
-@@ -804,11 +816,18 @@ int client_run(int f_in, int f_out, pid_
+@@ -803,11 +815,18 @@ int client_run(int f_in, int f_out, pid_
filesfrom_fd = -1;
}