Fixed a bunch of "warn_unused_result" compiler warnings.
[rsync/rsync.git] / receiver.c
index 9b353f5..7efd3d2 100644 (file)
@@ -20,7 +20,7 @@
  */
 
 #include "rsync.h"
-#include "ifuncs.h"
+#include "inums.h"
 
 extern int dry_run;
 extern int do_xfers;
@@ -60,6 +60,7 @@ extern struct filter_list_struct daemon_filter_list;
 
 static struct bitbag *delayed_bits = NULL;
 static int phase = 0, redoing = 0;
+static flist_ndx_list batch_redo_list;
 /* We're either updating the basis file or an identical copy: */
 static int updating_basis_or_equiv;
 
@@ -284,8 +285,12 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
                goto report_write_error;
 
 #ifdef HAVE_FTRUNCATE
-       if (inplace && fd != -1)
-               ftruncate(fd, offset);
+       if (inplace && fd != -1) {
+               if (ftruncate(fd, offset) < 0) {
+                       rsyserr(FWARNING, errno, "ftruncate failed on %s",
+                               full_fname(fname));
+               }
+       }
 #endif
 
        if (INFO_GTE(PROGRESS, 1))
@@ -349,25 +354,60 @@ static void handle_delayed_updates(char *local_name)
        }
 }
 
-static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
+static void no_batched_update(int ndx, BOOL is_redo)
 {
-       while (next_gen_ndx < desired_ndx) {
-               if (next_gen_ndx >= 0) {
-                       struct file_struct *file = cur_flist->files[next_gen_ndx];
-                       rprintf(FERROR_XFER,
-                               "(No batched update for%s \"%s\")\n",
-                               file->flags & FLAG_FILE_SENT ? " resend of" : "",
-                               f_name(file, NULL));
-               }
-               next_gen_ndx = read_int(fd);
-               if (next_gen_ndx == -1) {
-                       if (inc_recurse)
-                               next_gen_ndx = first_flist->prev->used + first_flist->prev->ndx_start;
-                       else
-                               next_gen_ndx = cur_flist->used;
+       struct file_list *flist = flist_for_ndx(ndx, "no_batched_update");
+       struct file_struct *file = flist->files[ndx - flist->ndx_start];
+
+       rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n",
+               is_redo ? " resend of" : "", f_name(file, NULL));
+
+       if (inc_recurse)
+               send_msg_int(MSG_NO_SEND, ndx);
+}
+
+static int we_want_redo(int desired_ndx)
+{
+       static int redo_ndx = -1;
+
+       while (redo_ndx < desired_ndx) {
+               if (redo_ndx >= 0)
+                       no_batched_update(redo_ndx, True);
+               if ((redo_ndx = flist_ndx_pop(&batch_redo_list)) < 0)
+                       return 0;
+       }
+
+       if (redo_ndx == desired_ndx) {
+               redo_ndx = -1;
+               return 1;
+       }
+
+       return 0;
+}
+
+static int gen_wants_ndx(int desired_ndx)
+{
+       static int next_ndx = -1;
+       static BOOL got_eof = 0;
+
+       if (got_eof)
+               return 0;
+
+       while (next_ndx < desired_ndx) {
+               if (next_ndx >= 0)
+                       no_batched_update(next_ndx, False);
+               if ((next_ndx = read_int(batch_gen_fd)) < 0) {
+                       got_eof = True;
+                       return 0;
                }
        }
-       return next_gen_ndx;
+
+       if (next_ndx == desired_ndx) {
+               next_ndx = -1;
+               return 1;
+       }
+
+       return 0;
 }
 
 /**
@@ -376,7 +416,6 @@ static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
  * Receiver process runs on the same host as the generator process. */
 int recv_files(int f_in, char *local_name)
 {
-       int next_gen_ndx = -1;
        int fd1,fd2;
        STRUCT_STAT st;
        int iflags, xlen;
@@ -415,17 +454,13 @@ int recv_files(int f_in, char *local_name)
                                end_progress(0);
                        }
                        if (inc_recurse && first_flist) {
+                               if (read_batch)
+                                       gen_wants_ndx(first_flist->used + first_flist->ndx_start);
                                flist_free(first_flist);
                                if (first_flist)
                                        continue;
-                       }
-                       if (read_batch && cur_flist) {
-                               int high = inc_recurse
-                                   ? first_flist->prev->used + first_flist->prev->ndx_start
-                                   : cur_flist->used;
-                               get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
-                               next_gen_ndx = -1;
-                       }
+                       } else if (read_batch && first_flist)
+                               gen_wants_ndx(first_flist->used);
                        if (++phase > max_phase)
                                break;
                        if (DEBUG_GTE(RECV, 1))
@@ -456,6 +491,21 @@ int recv_files(int f_in, char *local_name)
                        if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run)
                                set_file_attrs(fname, file, NULL, fname, 0);
 #endif
+                       if (iflags & ITEM_IS_NEW) {
+                               stats.created_files++;
+                               if (S_ISREG(file->mode)) {
+                                       /* Nothing further to count. */
+                               } else if (S_ISDIR(file->mode))
+                                       stats.created_dirs++;
+#ifdef SUPPORT_LINKS
+                               else if (S_ISLNK(file->mode))
+                                       stats.created_symlinks++;
+#endif
+                               else if (IS_DEVICE(file->mode))
+                                       stats.created_devices++;
+                               else
+                                       stats.created_specials++;
+                       }
                        continue;
                }
                if (phase == 2) {
@@ -485,11 +535,13 @@ int recv_files(int f_in, char *local_name)
                                csum_length = SHORT_SUM_LENGTH;
                                redoing = 0;
                        }
+                       if (iflags & ITEM_IS_NEW)
+                               stats.created_files++;
                }
 
                if (!am_server && INFO_GTE(PROGRESS, 1))
                        set_current_file_index(file, ndx);
-               stats.num_transferred_files++;
+               stats.xferred_files++;
                stats.total_transferred_size += F_LENGTH(file);
 
                cleanup_got_literal = 0;
@@ -514,17 +566,15 @@ int recv_files(int f_in, char *local_name)
                }
 
                if (read_batch) {
-                       next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
-                       if (ndx < next_gen_ndx) {
+                       if (!(redoing ? we_want_redo(ndx) : gen_wants_ndx(ndx))) {
                                rprintf(FINFO,
-                                       "(Skipping batched update for \"%s\")\n",
+                                       "(Skipping batched update for%s \"%s\")\n",
+                                       redoing ? " resend of" : "",
                                        fname);
                                discard_receive_data(f_in, F_LENGTH(file));
-                               if (inc_recurse)
-                                       send_msg_int(MSG_NO_SEND, ndx);
+                               file->flags |= FLAG_FILE_SENT;
                                continue;
                        }
-                       next_gen_ndx = -1;
                }
 
                partialptr = partial_dir ? partial_dir_fname(fname) : fname;
@@ -724,6 +774,9 @@ int recv_files(int f_in, char *local_name)
 
                cleanup_disable();
 
+               if (read_batch)
+                       file->flags |= FLAG_FILE_SENT;
+
                switch (recv_ok) {
                case 2:
                        break;
@@ -756,6 +809,8 @@ int recv_files(int f_in, char *local_name)
                                        keptstr, redostr);
                        }
                        if (!redoing) {
+                               if (read_batch)
+                                       flist_ndx_push(&batch_redo_list, ndx);
                                send_msg_int(MSG_REDO, ndx);
                                file->flags |= FLAG_FILE_SENT;
                        } else if (inc_recurse)
@@ -774,6 +829,11 @@ int recv_files(int f_in, char *local_name)
        if (phase == 2 && delay_updates) /* for protocol_version < 29 */
                handle_delayed_updates(local_name);
 
+       if (read_batch) {
+               read_int(batch_gen_fd); /* Discard -1 */
+               read_del_stats(batch_gen_fd);
+       }
+
        if (DEBUG_GTE(RECV, 1))
                rprintf(FINFO,"recv_files finished\n");