Further modifications to the copyright comment section.
[rsync/rsync.git] / flist.c
diff --git a/flist.c b/flist.c
index 9273cfd..700d9f7 100644 (file)
--- a/flist.c
+++ b/flist.c
@@ -4,12 +4,11 @@
  * Copyright (C) 1996 Andrew Tridgell
  * Copyright (C) 1996 Paul Mackerras
  * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
- * Copyright (C) 2002, 2003, 2004, 2005, 2006 Wayne Davison
+ * Copyright (C) 2002-2007 Wayne Davison
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -30,7 +29,7 @@ extern int am_root;
 extern int am_server;
 extern int am_daemon;
 extern int am_sender;
-extern int incremental;
+extern int inc_recurse;
 extern int do_progress;
 extern int always_checksum;
 extern int module_id;
@@ -103,7 +102,7 @@ void init_flist(void)
 
 static int show_filelist_p(void)
 {
-       return verbose && xfer_dirs && !am_server && !incremental;
+       return verbose && xfer_dirs && !am_server && !inc_recurse;
 }
 
 static void start_filelist_progress(char *kind)
@@ -343,7 +342,7 @@ int push_flist_dir(const char *dir, int len)
        return 1;
 }
 
-static void send_file_entry(struct file_struct *file, int f, int ndx)
+static void send_file_entry(int f, struct file_struct *file, int ndx)
 {
        static time_t modtime;
        static mode_t mode;
@@ -392,7 +391,7 @@ static void send_file_entry(struct file_struct *file, int f, int ndx)
                        uid = F_UID(file);
                        if (preserve_uid && !numeric_ids) {
                                user_name = add_uid(uid);
-                               if (incremental && user_name)
+                               if (inc_recurse && user_name)
                                        flags |= XMIT_USER_NAME_FOLLOWS;
                        }
                }
@@ -404,7 +403,7 @@ static void send_file_entry(struct file_struct *file, int f, int ndx)
                        gid = F_GID(file);
                        if (preserve_gid && !numeric_ids) {
                                group_name = add_gid(gid);
-                               if (incremental && group_name)
+                               if (inc_recurse && group_name)
                                        flags |= XMIT_GROUP_NAME_FOLLOWS;
                        }
                }
@@ -418,9 +417,9 @@ static void send_file_entry(struct file_struct *file, int f, int ndx)
        if (tmp_dev != 0) {
                if (protocol_version >= 30) {
                        struct idev_node *np = idev_node(tmp_dev, tmp_ino);
-                       first_hlink_ndx = (int32)np->data - 1;
+                       first_hlink_ndx = (int32)(long)np->data - 1;
                        if (first_hlink_ndx < 0) {
-                               np->data = (void*)(ndx + 1);
+                               np->data = (void*)(long)(ndx + 1);
                                flags |= XMIT_HLINK_FIRST;
                        }
                        flags |= XMIT_HLINKED;
@@ -548,6 +547,9 @@ static void send_file_entry(struct file_struct *file, int f, int ndx)
 
   the_end:
        strlcpy(lastname, fname, MAXPATHLEN);
+
+       if (S_ISREG(mode) || S_ISLNK(mode))
+               stats.total_size += F_LENGTH(file);
 }
 
 static struct file_struct *recv_file_entry(struct file_list *flist,
@@ -658,14 +660,14 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                uid = (uid_t)read_int(f);
                if (flags & XMIT_USER_NAME_FOLLOWS)
                        uid = recv_user_name(f, uid);
-               else if (incremental && am_root && !numeric_ids)
+               else if (inc_recurse && am_root && !numeric_ids)
                        uid = match_uid(uid);
        }
        if (preserve_gid && !(flags & XMIT_SAME_GID)) {
                gid = (gid_t)read_int(f);
                if (flags & XMIT_GROUP_NAME_FOLLOWS)
                        gid = recv_group_name(f, gid);
-               else if (incremental && (!am_root || !numeric_ids))
+               else if (inc_recurse && (!am_root || !numeric_ids))
                        gid = match_gid(gid);
        }
 
@@ -723,7 +725,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
 #endif
 
-       if (incremental && S_ISDIR(mode)) {
+       if (inc_recurse && S_ISDIR(mode)) {
                if (one_file_system) {
                        /* Room to save the dir's device for -x */
                        extra_len += 2 * EXTRA_LEN;
@@ -825,10 +827,10 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                                ino = read_longint(f);
                        }
                        np = idev_node(dev, ino);
-                       ndx = (int32)np->data - 1;
+                       ndx = (int32)(long)np->data - 1;
                        if (ndx < 0) {
                                ndx = cnt++;
-                               np->data = (void*)cnt;
+                               np->data = (void*)(long)cnt;
                        }
                        F_HL_GNUM(file) = ndx;
                }
@@ -849,6 +851,9 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                        read_buf(f, bp, checksum_len);
        }
 
+       if (S_ISREG(mode) || S_ISLNK(mode))
+               stats.total_size += file_length;
+
        return file;
 }
 
@@ -1090,13 +1095,10 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
                        file->mode = save_mode;
        }
 
-       if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
-               stats.total_size += st.st_size;
-
        if (basename_len == 0+1)
                return NULL;
 
-       if (incremental && flist == dir_flist) {
+       if (inc_recurse && flist == dir_flist) {
                flist_expand(flist);
                flist->files[flist->count++] = file;
        }
@@ -1115,7 +1117,7 @@ void unmake_file(struct file_struct *file)
        free(REQ_EXTRA(file, extra_cnt));
 }
 
-static struct file_struct *send_file_name(struct file_list *flist,
+static struct file_struct *send_file_name(int f, struct file_list *flist,
                                          char *fname, STRUCT_STAT *stp,
                                          int flags, int filter_flags)
 {
@@ -1132,6 +1134,8 @@ static struct file_struct *send_file_name(struct file_list *flist,
 
        flist_expand(flist);
        flist->files[flist->count++] = file;
+       if (f >= 0)
+               send_file_entry(f, file, flist->count - 1);
        return file;
 }
 
@@ -1215,7 +1219,6 @@ static void send_directory(int f, struct file_list *flist, int parent_ndx,
        int divert_dirs = (flags & FLAG_DIVERT_DIRS) != 0;
        int start = divert_dirs ? dir_flist->count : flist->count;
        int filter_flags = f == -2 ? SERVER_FILTERS : ALL_FILTERS;
-       struct file_struct *file;
 
        assert(flist != NULL);
 
@@ -1244,9 +1247,7 @@ static void send_directory(int f, struct file_list *flist, int parent_ndx,
                        continue;
                }
 
-               file = send_file_name(flist, fbuf, NULL, flags, filter_flags);
-               if (file && f >= 0)
-                       send_file_entry(file, f, flist->count - 1);
+               send_file_name(f, flist, fbuf, NULL, flags, filter_flags);
        }
 
        fbuf[len] = '\0';
@@ -1276,16 +1277,20 @@ void send_extra_file_list(int f, int at_least)
        char fbuf[MAXPATHLEN];
        struct file_list *flist;
        int64 start_write;
-       int past_and_present, save_io_error = io_error;
+       int future_cnt, save_io_error = io_error;
 
        if (send_dir_ndx < 0)
                return;
 
        /* Keep sending data until we have the requested number of
         * files in the upcoming file-lists. */
-       past_and_present = cur_flist->ndx_start - first_flist->ndx_start
-                        + cur_flist->count;
-       while (file_total - past_and_present < at_least) {
+       if (cur_flist->next) {
+               flist = first_flist->prev; /* the newest flist */
+               future_cnt = flist->count
+                          + flist->ndx_start - cur_flist->next->ndx_start;
+       } else
+               future_cnt = 0;
+       while (future_cnt < at_least) {
                struct file_struct *file = dir_flist->files[send_dir_ndx];
                int32 *dp;
                int dlen;
@@ -1301,13 +1306,14 @@ void send_extra_file_list(int f, int at_least)
                flist = flist_new(0, "send_extra_file_list");
                start_write = stats.total_written;
 
-               write_int(f, NDX_FLIST_OFFSET - send_dir_ndx);
+               write_ndx(f, NDX_FLIST_OFFSET - send_dir_ndx);
                change_local_filter_dir(fbuf, dlen, send_dir_depth);
                send_directory(f, flist, send_dir_ndx, fbuf, dlen, FLAG_DIVERT_DIRS | FLAG_XFER_DIR);
                write_byte(f, 0);
 
                clean_flist(flist, 0, 0);
                file_total += flist->count;
+               future_cnt += flist->count;
                stats.flist_size += stats.total_written - start_write;
                stats.num_files += flist->count;
                if (verbose > 3)
@@ -1320,7 +1326,7 @@ void send_extra_file_list(int f, int at_least)
                } else {
                        while (DIR_NEXT_SIBLING(dp) < 0) {
                                if ((send_dir_ndx = DIR_PARENT(dp)) < 0) {
-                                       write_int(f, NDX_FLIST_EOF);
+                                       write_ndx(f, NDX_FLIST_EOF);
                                        flist_eof = 1;
                                        change_local_filter_dir(NULL, 0, 0);
                                        goto finish;
@@ -1346,7 +1352,6 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
        char lastpath[MAXPATHLEN] = "";
        struct file_list *flist;
        struct timeval start_tv, end_tv;
-       struct file_struct *file;
        int64 start_write;
        int use_ff_fd = 0;
        int flags, disable_buffering;
@@ -1354,6 +1359,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
        rprintf(FLOG, "building file list\n");
        if (show_filelist_p())
                start_filelist_progress("building file list");
+       else if (inc_recurse && verbose && !am_server)
+               rprintf(FCLIENT, "sending incremental file list\n");
 
        start_write = stats.total_written;
        gettimeofday(&start_tv, NULL);
@@ -1364,7 +1371,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 #endif
 
        flist = cur_flist = flist_new(0, "send_file_list");
-       if (incremental) {
+       if (inc_recurse) {
                dir_flist = flist_new(FLIST_TEMP, "send_file_list");
                flags = FLAG_DIVERT_DIRS;
        } else {
@@ -1540,14 +1547,13 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                        if (fn != p || (*lp && *lp != '/')) {
                                int save_copy_links = copy_links;
                                int save_xfer_dirs = xfer_dirs;
-                               int dir_flags = incremental ? FLAG_DIVERT_DIRS : 0;
+                               int dir_flags = inc_recurse ? FLAG_DIVERT_DIRS : 0;
                                copy_links |= copy_unsafe_links;
                                xfer_dirs = 1;
                                while ((slash = strchr(slash+1, '/')) != 0) {
                                        *slash = '\0';
-                                       file = send_file_name(flist, fbuf, NULL, dir_flags, ALL_FILTERS);
-                                       if (file)
-                                               send_file_entry(file, f, flist->count - 1);
+                                       send_file_name(f, flist, fbuf, NULL,
+                                                      dir_flags, ALL_FILTERS);
                                        *slash = '/';
                                }
                                copy_links = save_copy_links;
@@ -1562,20 +1568,16 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
                        filesystem_dev = st.st_dev;
 
                if (recurse || (xfer_dirs && is_dot_dir)) {
+                       struct file_struct *file;
                        int top_flags = FLAG_TOP_DIR | FLAG_XFER_DIR
                                      | (is_dot_dir ? 0 : flags)
-                                     | (incremental ? FLAG_DIVERT_DIRS : 0);
-                       file = send_file_name(flist, fbuf, &st, top_flags, ALL_FILTERS);
-                       if (file) {
-                               send_file_entry(file, f, flist->count - 1);
-                               if (!incremental)
-                                       send_if_directory(f, flist, file, fbuf, len, flags);
-                       }
-               } else {
-                       file = send_file_name(flist, fbuf, &st, flags, ALL_FILTERS);
-                       if (file)
-                               send_file_entry(file, f, flist->count - 1);
-               }
+                                     | (inc_recurse ? FLAG_DIVERT_DIRS : 0);
+                       file = send_file_name(f, flist, fbuf, &st,
+                                             top_flags, ALL_FILTERS);
+                       if (file && !inc_recurse)
+                               send_if_directory(f, flist, file, fbuf, len, flags);
+               } else
+                       send_file_name(f, flist, fbuf, &st, flags, ALL_FILTERS);
        }
 
        gettimeofday(&end_tv, NULL);
@@ -1588,7 +1590,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
        write_byte(f, 0); /* Indicate end of file list */
 
 #ifdef SUPPORT_HARD_LINKS
-       if (preserve_hard_links && protocol_version >= 30 && !incremental)
+       if (preserve_hard_links && protocol_version >= 30 && !inc_recurse)
                idev_destroy();
 #endif
 
@@ -1604,10 +1606,10 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
         * kept.  For incremental mode, the sender also removes duplicates
         * in this initial file-list so that it avoids re-sending duplicated
         * directories. */
-       clean_flist(flist, 0, incremental);
+       clean_flist(flist, 0, inc_recurse);
        file_total += flist->count;
 
-       if (!numeric_ids && !incremental)
+       if (!numeric_ids && !inc_recurse)
                send_uid_list(f);
 
        /* send the io_error flag */
@@ -1628,14 +1630,14 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
        if (verbose > 2)
                rprintf(FINFO, "send_file_list done\n");
 
-       if (incremental) {
+       if (inc_recurse) {
                add_dirs_to_tree(-1, 0, dir_flist->count - 1);
                if (file_total == 1) {
                        /* If we're creating incremental file-lists and there
                         * was just 1 item in the first file-list, send 1 more
                         * file-list to check if this is a 1-file xfer. */
                        if (send_dir_ndx < 0)
-                               write_int(f, NDX_DONE);
+                               write_ndx(f, NDX_DONE);
                        else
                                send_extra_file_list(f, 1);
                }
@@ -1650,10 +1652,12 @@ struct file_list *recv_file_list(int f)
        int dstart, flags;
        int64 start_read;
 
-       if (f >= 0 && !incremental)
+       if (!first_flist)
                rprintf(FLOG, "receiving file list\n");
        if (show_filelist_p())
                start_filelist_progress("receiving file list");
+       else if (inc_recurse && verbose && !am_server && !first_flist)
+               rprintf(FCLIENT, "receiving incremental file list\n");
 
        start_read = stats.total_read;
 
@@ -1664,7 +1668,7 @@ struct file_list *recv_file_list(int f)
                init_hard_links();
 #endif
 
-       if (incremental) {
+       if (inc_recurse) {
                if (flist->ndx_start == 0)
                        dir_flist = flist_new(FLIST_TEMP, "recv_file_list");
                dstart = dir_flist->count;
@@ -1682,10 +1686,7 @@ struct file_list *recv_file_list(int f)
                        flags |= read_byte(f) << 8;
                file = recv_file_entry(flist, flags, f);
 
-               if (S_ISREG(file->mode) || S_ISLNK(file->mode))
-                       stats.total_size += F_LENGTH(file);
-
-               if (incremental && S_ISDIR(file->mode)) {
+               if (inc_recurse && S_ISDIR(file->mode)) {
                        flist_expand(dir_flist);
                        dir_flist->files[dir_flist->count++] = file;
                }
@@ -1709,7 +1710,7 @@ struct file_list *recv_file_list(int f)
 
        clean_flist(flist, relative_paths, 1);
 
-       if (incremental) {
+       if (inc_recurse) {
                qsort(dir_flist->files + dstart, dir_flist->count - dstart,
                      sizeof dir_flist->files[0], (int (*)())file_compare);
        } else if (f >= 0)
@@ -1746,7 +1747,7 @@ struct file_list *recv_file_list(int f)
 void recv_additional_file_list(int f)
 {
        struct file_list *flist;
-       int ndx = read_int(f);
+       int ndx = read_ndx(f);
        if (ndx == NDX_DONE) {
                flist_eof = 1;
                change_local_filter_dir(NULL, 0, 0);
@@ -2038,7 +2039,7 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
                                }
                        }
                }
-               /* Dump empty all remaining empty dirs. */
+               /* Dump all remaining empty dirs. */
                while (1) {
                        struct file_struct *fp = flist->files[prev_i];
                        if (F_DEPTH(fp) >= 0)