1 /* -*- c-file-style: "linux" -*-
4 Batch utilities for rsync.
11 extern char *batch_prefix;
12 extern int csum_length;
13 extern int protocol_version;
14 extern struct stats stats;
16 struct file_list *batch_flist;
18 static char rsync_flist_file[] = ".rsync_flist";
19 static char rsync_csums_file[] = ".rsync_csums";
20 static char rsync_delta_file[] = ".rsync_delta";
21 static char rsync_argvs_file[] = ".rsync_argvs";
23 static int f_csums = -1;
24 static int f_delta = -1;
26 void write_batch_flist_info(int flist_count, struct file_struct **files)
28 char filename[MAXPATHLEN];
32 stringjoin(filename, sizeof filename,
33 batch_prefix, rsync_flist_file, NULL);
35 f = do_open(filename, O_WRONLY|O_CREAT|O_TRUNC, S_IREAD|S_IWRITE);
37 rprintf(FERROR, "Batch file %s open error: %s\n",
38 filename, strerror(errno));
42 save_written = stats.total_written;
43 save_pv = protocol_version;
44 protocol_version = PROTOCOL_VERSION;
45 write_int(f, protocol_version);
46 write_int(f, flist_count);
48 for (i = 0; i < flist_count; i++)
49 send_file_entry(files[i], f, files[i]->flags & LIVE_FLAGS);
50 send_file_entry(NULL, f, 0);
52 protocol_version = save_pv;
53 stats.total_written = save_written;
59 void write_batch_argvs_file(int argc, char *argv[])
63 char buff[256]; /* XXX */
64 char buff2[MAXPATHLEN + 6];
65 char filename[MAXPATHLEN];
67 stringjoin(filename, sizeof filename,
68 batch_prefix, rsync_argvs_file, NULL);
70 f = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
71 S_IREAD | S_IWRITE | S_IEXEC);
73 rprintf(FERROR, "Batch file %s open error: %s\n",
74 filename, strerror(errno));
79 /* Write argvs info to batch file */
81 for (i = 0; i < argc; ++i) {
82 if (i == argc - 2) /* Skip source directory on cmdline */
86 * I think directly manipulating argv[] is probably bogus
88 if (!strncmp(argv[i], "--write-batch",
89 strlen("--write-batch"))) {
90 /* Safer to change it here than script */
92 * Change to --read-batch=prefix
93 * to get ready for remote
95 strlcat(buff, "--read-batch=", sizeof(buff));
96 strlcat(buff, batch_prefix, sizeof(buff));
99 snprintf(buff2, sizeof(buff2), "${1:-%s}", argv[i]);
100 strlcat(buff, buff2, sizeof(buff));
103 strlcat(buff, argv[i], sizeof(buff));
106 if (i < (argc - 1)) {
107 strlcat(buff, " ", sizeof(buff));
110 strlcat(buff, "\n", sizeof(buff));
111 if (!write(f, buff, strlen(buff))) {
112 rprintf(FERROR, "Batch file %s write error: %s\n",
113 filename, strerror(errno));
120 struct file_list *create_flist_from_batch(void)
122 char filename[MAXPATHLEN];
123 unsigned short flags;
127 stringjoin(filename, sizeof filename,
128 batch_prefix, rsync_flist_file, NULL);
130 f = do_open(filename, O_RDONLY, 0);
132 rprintf(FERROR, "Batch file %s open error: %s\n",
133 filename, strerror(errno));
137 batch_flist = new(struct file_list);
139 out_of_memory("create_flist_from_batch");
141 save_read = stats.total_read;
142 save_pv = protocol_version;
143 protocol_version = read_int(f);
145 batch_flist->count = batch_flist->malloced = read_int(f);
146 batch_flist->files = new_array(struct file_struct *,
147 batch_flist->malloced);
148 if (!batch_flist->files)
149 out_of_memory("create_flist_from_batch");
151 for (i = 0; (flags = read_byte(f)) != 0; i++) {
152 if (protocol_version >= 28 && (flags & EXTENDED_FLAGS))
153 flags |= read_byte(f) << 8;
154 receive_file_entry(&batch_flist->files[i], flags, f);
156 receive_file_entry(NULL, 0, 0); /* Signal that we're done. */
158 protocol_version = save_pv;
159 stats.total_read = save_read;
164 void write_batch_csums_file(void *buff, int bytes_to_write)
166 if (write(f_csums, buff, bytes_to_write) < 0) {
167 rprintf(FERROR, "Batch file write error: %s\n",
174 void close_batch_csums_file(void)
182 * Write csum info to batch file
184 * @todo This will break if s->count is ever larger than maxint. The
185 * batch code should probably be changed to consistently use the
186 * variable-length integer routines, which is probably a compatible
189 void write_batch_csum_info(int *flist_entry, struct sum_struct *s)
193 char filename[MAXPATHLEN];
196 stringjoin(filename, sizeof filename,
197 batch_prefix, rsync_csums_file, NULL);
199 f_csums = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
202 rprintf(FERROR, "Batch file %s open error: %s\n",
203 filename, strerror(errno));
209 write_batch_csums_file(flist_entry, sizeof(int));
210 int_count = s ? (int) s->count : 0;
211 write_batch_csums_file(&int_count, sizeof int_count);
214 for (i = 0; i < s->count; i++) {
215 write_batch_csums_file(&s->sums[i].sum1, sizeof(uint32));
216 write_batch_csums_file(s->sums[i].sum2, csum_length);
221 int read_batch_csums_file(char *buff, int len)
225 if ((bytes_read = read(f_csums, buff, len)) < 0) {
226 rprintf(FERROR, "Batch file read error: %s\n",
234 void read_batch_csum_info(int flist_entry, struct sum_struct *s,
235 int *checksums_match)
238 int file_flist_entry;
241 char file_sum2[SUM_LENGTH];
242 char filename[MAXPATHLEN];
245 stringjoin(filename, sizeof filename,
246 batch_prefix, rsync_csums_file, NULL);
248 f_csums = do_open(filename, O_RDONLY, 0);
250 rprintf(FERROR, "Batch file %s open error: %s\n",
251 filename, strerror(errno));
257 read_batch_csums_file((char *) &file_flist_entry, sizeof(int));
258 if (file_flist_entry != flist_entry) {
259 rprintf(FINFO, "file_flist_entry (%d) != flist_entry (%d)\n",
260 file_flist_entry, flist_entry);
265 read_batch_csums_file((char *) &file_chunk_ct,
267 *checksums_match = 1;
268 for (i = 0; i < file_chunk_ct; i++) {
269 read_batch_csums_file((char *) &file_sum1,
271 read_batch_csums_file(file_sum2, csum_length);
273 if ((s->sums[i].sum1 != file_sum1) ||
274 (memcmp(s->sums[i].sum2, file_sum2, csum_length)
276 *checksums_match = 0;
282 void write_batch_delta_file(char *buff, int bytes_to_write)
284 char filename[MAXPATHLEN];
287 stringjoin(filename, sizeof filename,
288 batch_prefix, rsync_delta_file, NULL);
290 f_delta = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
293 rprintf(FERROR, "Batch file %s open error: %s\n",
294 filename, strerror(errno));
299 if (write(f_delta, buff, bytes_to_write) < 0) {
300 rprintf(FERROR, "Batch file %s write error: %s\n",
301 filename, strerror(errno));
307 void close_batch_delta_file(void)
313 int read_batch_delta_file(char *buff, int len)
316 char filename[MAXPATHLEN];
319 stringjoin(filename, sizeof filename,
320 batch_prefix, rsync_delta_file, NULL);
322 f_delta = do_open(filename, O_RDONLY, 0);
324 rprintf(FERROR, "Batch file %s open error: %s\n",
325 filename, strerror(errno));
331 bytes_read = read(f_delta, buff, len);
332 if (bytes_read < 0) {
333 rprintf(FERROR, "Batch file %s read error: %s\n",
334 filename, strerror(errno));
342 void show_flist(int index, struct file_struct **fptr)
344 /* for debugging show_flist(flist->count, flist->files * */
347 for (i = 0; i < index; i++) {
348 rprintf(FINFO, "flist->flags=%#x\n", fptr[i]->flags);
349 rprintf(FINFO, "flist->modtime=%#lx\n",
350 (long unsigned) fptr[i]->modtime);
351 rprintf(FINFO, "flist->length=%.0f\n",
352 (double) fptr[i]->length);
353 rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode);
354 rprintf(FINFO, "flist->basename=%s\n", fptr[i]->basename);
355 if (fptr[i]->dirname)
356 rprintf(FINFO, "flist->dirname=%s\n",
358 if (fptr[i]->basedir)
359 rprintf(FINFO, "flist->basedir=%s\n",
364 void show_argvs(int argc, char *argv[])
366 /* for debugging * */
369 rprintf(FINFO, "BATCH.C:show_argvs,argc=%d\n", argc);
370 for (i = 0; i < argc; i++) {
372 rprintf(FINFO, "i=%d,argv[i]=%s\n", i, argv[i]);