X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/3f0211b63a6cdc4a2cecfd2a0dffeba172c86a47..9411292489496984c8d5d9a446bf071afac3866d:/receiver.c

diff --git a/receiver.c b/receiver.c
index 387567bc..7efd3d27 100644
--- a/receiver.c
+++ b/receiver.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 1996-2000 Andrew Tridgell
  * Copyright (C) 1996 Paul Mackerras
- * Copyright (C) 2003-2007 Wayne Davison
+ * Copyright (C) 2003-2008 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
@@ -20,12 +20,11 @@
  */
 
 #include "rsync.h"
+#include "inums.h"
 
-extern int verbose;
 extern int dry_run;
 extern int do_xfers;
 extern int am_server;
-extern int do_progress;
 extern int inc_recurse;
 extern int log_before_transfer;
 extern int stdout_format_has_i;
@@ -46,6 +45,7 @@ extern int remove_source_files;
 extern int append_mode;
 extern int sparse_files;
 extern int keep_partial;
+extern int checksum_len;
 extern int checksum_seed;
 extern int inplace;
 extern int delay_updates;
@@ -53,12 +53,14 @@ extern mode_t orig_umask;
 extern struct stats stats;
 extern char *tmpdir;
 extern char *partial_dir;
-extern char *basis_dir[];
+extern char *basis_dir[MAX_BASIS_DIRS+1];
+extern char sender_file_sum[MAX_DIGEST_LEN];
 extern struct file_list *cur_flist, *first_flist, *dir_flist;
-extern struct filter_list_struct server_filter_list;
+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;
 
@@ -165,10 +167,9 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 			const char *fname, int fd, OFF_T total_size)
 {
 	static char file_sum1[MAX_DIGEST_LEN];
-	static char file_sum2[MAX_DIGEST_LEN];
 	struct map_struct *mapbuf;
 	struct sum_struct sum;
-	int32 len, sum_len;
+	int32 len;
 	OFF_T offset = 0;
 	OFF_T offset2;
 	char *data;
@@ -180,9 +181,9 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 	if (fd_r >= 0 && size_r > 0) {
 		int32 read_size = MAX(sum.blength * 2, 16*1024);
 		mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
-		if (verbose > 2) {
-			rprintf(FINFO, "recv mapped %s of size %.0f\n",
-				fname_r, (double)size_r);
+		if (DEBUG_GTE(DELTASUM, 2)) {
+			rprintf(FINFO, "recv mapped %s of size %s\n",
+				fname_r, big_num(size_r));
 		}
 	} else
 		mapbuf = NULL;
@@ -196,7 +197,7 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 			sum.flength -= sum.blength - sum.remainder;
 		if (append_mode == 2) {
 			for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
-				if (do_progress)
+				if (INFO_GTE(PROGRESS, 1))
 					show_progress(offset, total_size);
 				sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
 					   CHUNK_SIZE);
@@ -204,27 +205,27 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 			}
 			if (offset < sum.flength) {
 				int32 len = (int32)(sum.flength - offset);
-				if (do_progress)
+				if (INFO_GTE(PROGRESS, 1))
 					show_progress(offset, total_size);
 				sum_update(map_ptr(mapbuf, offset, len), len);
 			}
 		}
 		offset = sum.flength;
 		if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
-			rsyserr(FERROR_XFER, errno, "lseek of %s returned %.0f, not %.0f",
-				full_fname(fname), (double)j, (double)offset);
+			rsyserr(FERROR_XFER, errno, "lseek of %s returned %s, not %s",
+				full_fname(fname), big_num(j), big_num(offset));
 			exit_cleanup(RERR_FILEIO);
 		}
 	}
 
 	while ((i = recv_token(f_in, &data)) != 0) {
-		if (do_progress)
+		if (INFO_GTE(PROGRESS, 1))
 			show_progress(offset, total_size);
 
 		if (i > 0) {
-			if (verbose > 3) {
-				rprintf(FINFO,"data recv %d at %.0f\n",
-					i,(double)offset);
+			if (DEBUG_GTE(DELTASUM, 3)) {
+				rprintf(FINFO,"data recv %d at %s\n",
+					i, big_num(offset));
 			}
 
 			stats.literal_data += i;
@@ -246,10 +247,10 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 
 		stats.matched_data += len;
 
-		if (verbose > 3) {
+		if (DEBUG_GTE(DELTASUM, 3)) {
 			rprintf(FINFO,
-				"chunk[%d] of size %ld at %.0f offset=%.0f\n",
-				i, (long)len, (double)offset2, (double)offset);
+				"chunk[%d] of size %ld at %s offset=%s\n",
+				i, (long)len, big_num(offset2), big_num(offset));
 		}
 
 		if (mapbuf) {
@@ -267,9 +268,9 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 				offset += len;
 				if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
 					rsyserr(FERROR_XFER, errno,
-						"lseek of %s returned %.0f, not %.0f",
+						"lseek of %s returned %s, not %s",
 						full_fname(fname),
-						(double)pos, (double)offset);
+						big_num(pos), big_num(offset));
 					exit_cleanup(RERR_FILEIO);
 				}
 				continue;
@@ -284,11 +285,15 @@ 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 (do_progress)
+	if (INFO_GTE(PROGRESS, 1))
 		end_progress(total_size);
 
 	if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
@@ -298,15 +303,16 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 		exit_cleanup(RERR_FILEIO);
 	}
 
-	sum_len = sum_end(file_sum1);
+	if (sum_end(file_sum1) != checksum_len)
+		overflow_exit("checksum_len"); /* Impossible... */
 
 	if (mapbuf)
 		unmap_file(mapbuf);
 
-	read_buf(f_in, file_sum2, sum_len);
-	if (verbose > 2)
+	read_buf(f_in, sender_file_sum, checksum_len);
+	if (DEBUG_GTE(DELTASUM, 2))
 		rprintf(FINFO,"got file_sum\n");
-	if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
+	if (fd != -1 && memcmp(file_sum1, sender_file_sum, checksum_len) != 0)
 		return 0;
 	return 1;
 }
@@ -328,7 +334,7 @@ static void handle_delayed_updates(char *local_name)
 		if ((partialptr = partial_dir_fname(fname)) != NULL) {
 			if (make_backups > 0 && !make_backup(fname))
 				continue;
-			if (verbose > 2) {
+			if (DEBUG_GTE(RECV, 1)) {
 				rprintf(FINFO, "renaming %s to %s\n",
 					partialptr, fname);
 			}
@@ -348,24 +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) {
-			rprintf(FINFO,
-				"(No batched update for%s \"%s\")\n",
-				redoing ? " resend of" : "",
-				f_name(cur_flist->files[next_gen_ndx], 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;
 }
 
 /**
@@ -374,7 +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;
@@ -395,7 +436,7 @@ int recv_files(int f_in, char *local_name)
 #endif
 	int ndx, recv_ok;
 
-	if (verbose > 2)
+	if (DEBUG_GTE(RECV, 1))
 		rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
 
 	if (delay_updates)
@@ -408,21 +449,21 @@ int recv_files(int f_in, char *local_name)
 		ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
 					 xname, &xlen);
 		if (ndx == NDX_DONE) {
+			if (!am_server && INFO_GTE(PROGRESS, 2) && cur_flist) {
+				set_current_file_index(NULL, 0);
+				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 (verbose > 2)
+			if (DEBUG_GTE(RECV, 1))
 				rprintf(FINFO, "recv_files phase=%d\n", phase);
 			if (phase == 2 && delay_updates)
 				handle_delayed_updates(local_name);
@@ -436,7 +477,7 @@ int recv_files(int f_in, char *local_name)
 			file = dir_flist->files[cur_flist->parent_ndx];
 		fname = local_name ? local_name : f_name(file, fbuf);
 
-		if (verbose > 2)
+		if (DEBUG_GTE(RECV, 1))
 			rprintf(FINFO, "recv_files(%s)\n", fname);
 
 #ifdef SUPPORT_XATTRS
@@ -450,6 +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) {
@@ -479,15 +535,19 @@ int recv_files(int f_in, char *local_name)
 				csum_length = SHORT_SUM_LENGTH;
 				redoing = 0;
 			}
+			if (iflags & ITEM_IS_NEW)
+				stats.created_files++;
 		}
 
-		stats.current_file_index = ndx;
-		stats.num_transferred_files++;
+		if (!am_server && INFO_GTE(PROGRESS, 1))
+			set_current_file_index(file, ndx);
+		stats.xferred_files++;
 		stats.total_transferred_size += F_LENGTH(file);
+
 		cleanup_got_literal = 0;
 
-		if (server_filter_list.head
-		    && check_filter(&server_filter_list, fname, 0) < 0) {
+		if (daemon_filter_list.head
+		    && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) {
 			rprintf(FERROR, "attempt to hack rsync failed.\n");
 			exit_cleanup(RERR_PROTOCOL);
 		}
@@ -499,24 +559,22 @@ int recv_files(int f_in, char *local_name)
 			continue;
 		}
 		if (write_batch < 0) {
-			log_item(FINFO, file, &stats, iflags, NULL);
+			log_item(FCLIENT, file, &stats, iflags, NULL);
 			if (!am_server)
 				discard_receive_data(f_in, F_LENGTH(file));
 			continue;
 		}
 
 		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;
@@ -552,8 +610,8 @@ int recv_files(int f_in, char *local_name)
 				fnamecmp = fnamecmpbuf;
 				break;
 			}
-			if (!fnamecmp || (server_filter_list.head
-			  && check_filter(&server_filter_list, fname, 0) < 0)) {
+			if (!fnamecmp || (daemon_filter_list.head
+			  && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) {
 				fnamecmp = fname;
 				fnamecmp_type = FNAMECMP_FNAME;
 			}
@@ -668,7 +726,7 @@ int recv_files(int f_in, char *local_name)
 		/* log the transfer */
 		if (log_before_transfer)
 			log_item(FCLIENT, file, &initial_stats, iflags, NULL);
-		else if (!am_server && verbose && do_progress)
+		else if (!am_server && INFO_GTE(NAME, 1) && INFO_EQ(PROGRESS, 1))
 			rprintf(FINFO, "%s\n", fname);
 
 		/* recv file data */
@@ -686,41 +744,50 @@ int recv_files(int f_in, char *local_name)
 		}
 
 		if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
-			char *temp_copy_name;
 			if (partialptr == fname)
-				partialptr = temp_copy_name = NULL;
-			else if (*partial_dir == '/')
-				temp_copy_name = NULL;
-			else
-				temp_copy_name = partialptr;
-			finish_transfer(fname, fnametmp, fnamecmp,
-					temp_copy_name, file, recv_ok, 1);
-			if (fnamecmp == partialptr) {
+				partialptr = NULL;
+			if (!finish_transfer(fname, fnametmp, fnamecmp,
+					     partialptr, file, recv_ok, 1))
+				recv_ok = -1;
+			else if (fnamecmp == partialptr) {
 				do_unlink(partialptr);
 				handle_partial_dir(partialptr, PDIR_DELETE);
 			}
-		} else if (keep_partial && partialptr
-		    && handle_partial_dir(partialptr, PDIR_CREATE)) {
-			finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
-					file, recv_ok, !partial_dir);
-			if (delay_updates && recv_ok) {
-				bitbag_set_bit(delayed_bits, ndx);
+		} else if (keep_partial && partialptr) {
+			if (!handle_partial_dir(partialptr, PDIR_CREATE)) {
+				rprintf(FERROR,
+				    "Unable to create partial-dir for %s -- discarding %s.\n",
+				    local_name ? local_name : f_name(file, NULL),
+				    recv_ok ? "completed file" : "partial file");
+				do_unlink(fnametmp);
 				recv_ok = -1;
-			}
-		} else {
-			partialptr = NULL;
+			} else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
+						    file, recv_ok, !partial_dir))
+				recv_ok = -1;
+			else if (delay_updates && recv_ok) {
+				bitbag_set_bit(delayed_bits, ndx);
+				recv_ok = 2;
+			} else
+				partialptr = NULL;
+		} else
 			do_unlink(fnametmp);
-		}
 
 		cleanup_disable();
 
-		if (recv_ok > 0) {
+		if (read_batch)
+			file->flags |= FLAG_FILE_SENT;
+
+		switch (recv_ok) {
+		case 2:
+			break;
+		case 1:
 			if (remove_source_files || inc_recurse
 			 || (preserve_hard_links && F_IS_HLINKED(file)))
 				send_msg_int(MSG_SUCCESS, ndx);
-		} else if (!recv_ok) {
-			enum logcode msgtype = redoing || read_batch ? FERROR : FWARNING;
-			if (msgtype == FERROR || verbose) {
+			break;
+		case 0: {
+			enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
+			if (msgtype == FERROR_XFER || INFO_GTE(NAME, 1)) {
 				char *errstr, *redostr, *keptstr;
 				if (!(keep_partial && partialptr) && !inplace)
 					keptstr = "discarded";
@@ -728,22 +795,32 @@ int recv_files(int f_in, char *local_name)
 					keptstr = "put into partial-dir";
 				else
 					keptstr = "retained";
-				if (msgtype == FERROR) {
+				if (msgtype == FERROR_XFER) {
 					errstr = "ERROR";
 					redostr = "";
 				} else {
 					errstr = "WARNING";
-					redostr = " (will try again)";
+					redostr = read_batch ? " (may try again)"
+							     : " (will try again)";
 				}
 				rprintf(msgtype,
 					"%s: %s failed verification -- update %s%s.\n",
-					errstr, fname, keptstr, redostr);
+					errstr, local_name ? f_name(file, NULL) : fname,
+					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)
 				send_msg_int(MSG_NO_SEND, ndx);
+			break;
+		    }
+		case -1:
+			if (inc_recurse)
+				send_msg_int(MSG_NO_SEND, ndx);
+			break;
 		}
 	}
 	if (make_backups < 0)
@@ -752,7 +829,12 @@ int recv_files(int f_in, char *local_name)
 	if (phase == 2 && delay_updates) /* for protocol_version < 29 */
 		handle_delayed_updates(local_name);
 
-	if (verbose > 2)
+	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");
 
 	return 0;