2 * Bacula File Daemon backup.c send file attributes and data
3 * to the Storage daemon.
5 * Kern Sibbald, March MM
11 Copyright (C) 2000-2003 Kern Sibbald and John Walker
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of
16 the License, or (at your option) any later version.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public
24 License along with this program; if not, write to the Free
25 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
33 static int save_file(FF_PKT *ff_pkt, void *pkt);
36 * Find all the requested files and send them
37 * to the Storage daemon.
40 int blast_data_to_storage_daemon(JCR *jcr, char *addr)
45 sd = jcr->store_bsock;
47 set_jcr_job_status(jcr, JS_Running);
49 Dmsg1(110, "bfiled: opened data connection %d to stored\n", sd->fd);
51 if (!bnet_set_buffer_size(sd, MAX_NETWORK_BUFFER_SIZE, BNET_SETBUF_WRITE)) {
52 set_jcr_job_status(jcr, JS_ErrorTerminated);
56 jcr->buf_size = sd->msglen;
57 /* Adjust for compression so that output buffer is
58 * 12 bytes + 0.1% larger than input buffer plus 18 bytes.
59 * This gives a bit extra plus room for the sparse addr if any.
60 * Note, we adjust the read size to be smaller so that the
61 * same output buffer can be used without growing it.
63 jcr->compress_buf_size = jcr->buf_size + ((jcr->buf_size+999) / 1000) + 30;
64 jcr->compress_buf = get_memory(jcr->compress_buf_size);
66 Dmsg1(100, "set_find_options ff=%p\n", jcr->ff);
67 set_find_options((FF_PKT *)jcr->ff, jcr->incremental, jcr->mtime);
68 Dmsg0(110, "start find files\n");
70 /* Subroutine save_file() is called for each file */
71 if (!find_files(jcr, (FF_PKT *)jcr->ff, save_file, (void *)jcr)) {
73 set_jcr_job_status(jcr, JS_ErrorTerminated);
76 bnet_sig(sd, BNET_EOD); /* end data connection */
82 if (jcr->compress_buf) {
83 free_pool_memory(jcr->compress_buf);
84 jcr->compress_buf = NULL;
90 * Called here by find() for each file included.
92 * *****FIXME***** add FSMs File System Modules
94 * Send the file and its data to the Storage daemon.
96 static int save_file(FF_PKT *ff_pkt, void *vjcr)
98 char attribs[MAXSTRING];
99 char attribsEx[MAXSTRING];
101 struct MD5Context md5c;
102 struct SHA1Context sha1c;
105 unsigned char signature[30]; /* large enough for either signature */
107 JCR *jcr = (JCR *)vjcr;
110 if (job_canceled(jcr)) {
114 sd = jcr->store_bsock;
115 jcr->num_files_examined++; /* bump total file count */
117 switch (ff_pkt->type) {
118 case FT_LNKSAVED: /* Hard linked, file already saved */
119 Dmsg2(130, "FT_LNKSAVED hard link: %s => %s\n", ff_pkt->fname, ff_pkt->link);
122 Dmsg1(130, "FT_REGE saving: %s\n", ff_pkt->fname);
125 Dmsg1(130, "FT_REG saving: %s\n", ff_pkt->fname);
128 Dmsg2(130, "FT_LNK saving: %s -> %s\n", ff_pkt->fname, ff_pkt->link);
131 Dmsg1(130, "FT_DIR saving: %s\n", ff_pkt->link);
134 Dmsg1(130, "FT_SPEC saving: %s\n", ff_pkt->fname);
137 Dmsg1(130, "FT_RAW saving: %s\n", ff_pkt->fname);
140 Dmsg1(130, "FT_FIFO saving: %s\n", ff_pkt->fname);
143 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not access %s: ERR=%s\n"), ff_pkt->fname,
144 strerror(ff_pkt->ff_errno));
147 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not follow link %s: ERR=%s\n"), ff_pkt->fname,
148 strerror(ff_pkt->ff_errno));
151 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not stat %s: ERR=%s\n"), ff_pkt->fname,
152 strerror(ff_pkt->ff_errno));
156 Jmsg(jcr, M_SKIPPED, -1, _(" Unchanged file skipped: %s\n"), ff_pkt->fname);
159 Jmsg(jcr, M_NOTSAVED, -1, _(" Archive file not saved: %s\n"), ff_pkt->fname);
162 Jmsg(jcr, M_SKIPPED, -1, _(" Recursion turned off. Directory skipped: %s\n"),
166 Jmsg(jcr, M_SKIPPED, -1, _(" File system change prohibited. Directory skipped. %s\n"),
170 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not open directory %s: ERR=%s\n"), ff_pkt->fname,
171 strerror(ff_pkt->ff_errno));
174 Jmsg(jcr, M_NOTSAVED, 0, _(" Unknown file type %d; not saved: %s\n"), ff_pkt->type, ff_pkt->fname);
178 binit(&ff_pkt->bfd, jcr->use_win_backup_api);
180 /* Open any file with data that we intend to save */
181 if (ff_pkt->type != FT_LNKSAVED && (S_ISREG(ff_pkt->statp.st_mode) &&
182 ff_pkt->statp.st_size > 0) ||
183 ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO) {
185 if (ff_pkt->type == FT_FIFO) {
186 tid = start_thread_timer(pthread_self(), 60);
190 if (bopen(&ff_pkt->bfd, ff_pkt->fname, O_RDONLY | O_BINARY, 0) < 0) {
191 ff_pkt->ff_errno = errno;
192 Jmsg(jcr, M_NOTSAVED, -1, _(" Cannot open %s: ERR=%s.\n"), ff_pkt->fname,
193 berror(&ff_pkt->bfd));
194 stop_thread_timer(tid);
197 stop_thread_timer(tid);
200 Dmsg1(130, "bfiled: sending %s to stored\n", ff_pkt->fname);
201 encode_stat(attribs, &ff_pkt->statp, ff_pkt->LinkFI);
202 stream = encode_attribsEx(jcr, attribsEx, ff_pkt);
203 Dmsg3(200, "File %s\nattribs=%s\nattribsEx=%s\n", ff_pkt->fname, attribs, attribsEx);
206 jcr->JobFiles++; /* increment number of files sent */
207 ff_pkt->FileIndex = jcr->JobFiles; /* return FileIndex */
208 pm_strcpy(&jcr->last_fname, ff_pkt->fname);
212 * Send Attributes header to Storage daemon
213 * <file-index> <stream> <info>
215 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, stream)) {
216 if (is_bopen(&ff_pkt->bfd)) {
217 bclose(&ff_pkt->bfd);
219 set_jcr_job_status(jcr, JS_ErrorTerminated);
222 Dmsg1(100, ">stored: attrhdr %s\n", sd->msg);
225 * Send file attributes to Storage daemon
228 * Filename (full path)
230 * Link name (if type==FT_LNK or FT_LNKSAVED)
231 * Encoded extended-attributes (for Win32)
233 * For a directory, link is the same as fname, but with trailing
234 * slash. For a linked file, link is the link.
236 if (ff_pkt->type == FT_LNK || ff_pkt->type == FT_LNKSAVED) {
237 Dmsg2(100, "Link %s to %s\n", ff_pkt->fname, ff_pkt->link);
238 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%s%c%s%c", jcr->JobFiles,
239 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, ff_pkt->link, 0,
241 } else if (ff_pkt->type == FT_DIR) {
242 /* Here link is the canonical filename (i.e. with trailing slash) */
243 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c%s%c", jcr->JobFiles,
244 ff_pkt->type, ff_pkt->link, 0, attribs, 0, 0, attribsEx, 0);
246 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c%s%c", jcr->JobFiles,
247 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, 0, attribsEx, 0);
250 Dmsg2(100, ">stored: attr len=%d: %s\n", sd->msglen, sd->msg);
252 if (is_bopen(&ff_pkt->bfd)) {
253 bclose(&ff_pkt->bfd);
255 set_jcr_job_status(jcr, JS_ErrorTerminated);
258 bnet_sig(sd, BNET_EOD); /* indicate end of attributes data */
261 * If the file has data, read it and send to the Storage daemon
264 if (is_bopen(&ff_pkt->bfd)) {
265 uint64_t fileAddr = 0; /* file address */
267 int rsize = jcr->buf_size; /* read buffer size */
270 rbuf = sd->msg; /* read buffer */
271 wbuf = sd->msg; /* write buffer */
273 Dmsg1(100, "Saving data, type=%d\n", ff_pkt->type);
275 if (ff_pkt->flags & FO_SPARSE) {
276 stream = STREAM_SPARSE_DATA;
278 stream = STREAM_FILE_DATA;
282 uLong compress_len, max_compress_len = 0;
283 const Bytef *cbuf = NULL;
285 if (ff_pkt->flags & FO_GZIP) {
286 if (stream == STREAM_FILE_DATA) {
287 stream = STREAM_GZIP_DATA;
289 stream = STREAM_SPARSE_GZIP_DATA;
292 if (ff_pkt->flags & FO_SPARSE) {
293 cbuf = (Bytef *)jcr->compress_buf + SPARSE_FADDR_SIZE;
294 max_compress_len = jcr->compress_buf_size - SPARSE_FADDR_SIZE;
296 cbuf = (Bytef *)jcr->compress_buf;
297 max_compress_len = jcr->compress_buf_size; /* set max length */
299 wbuf = jcr->compress_buf; /* compressed output here */
304 * Send Data header to Storage daemon
305 * <file-index> <stream> <info>
307 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, stream)) {
308 bclose(&ff_pkt->bfd);
309 set_jcr_job_status(jcr, JS_ErrorTerminated);
312 Dmsg1(100, ">stored: datahdr %s\n", sd->msg);
314 if (ff_pkt->flags & FO_MD5) {
316 } else if (ff_pkt->flags & FO_SHA1) {
321 * Make space at beginning of buffer for fileAddr because this
322 * same buffer will be used for writing if compression if off.
324 if (ff_pkt->flags & FO_SPARSE) {
325 rbuf += SPARSE_FADDR_SIZE;
326 rsize -= SPARSE_FADDR_SIZE;
332 while ((sd->msglen=bread(&ff_pkt->bfd, rbuf, rsize)) > 0) {
335 /* Check for sparse blocks */
336 if (ff_pkt->flags & FO_SPARSE) {
338 if (sd->msglen == rsize &&
339 (fileAddr+sd->msglen < (uint64_t)ff_pkt->statp.st_size)) {
340 sparseBlock = is_buf_zero(rbuf, rsize);
343 ser_begin(wbuf, SPARSE_FADDR_SIZE);
344 ser_uint64(fileAddr); /* store fileAddr in begin of buffer */
347 jcr->ReadBytes += sd->msglen; /* count bytes read */
348 fileAddr += sd->msglen;
350 /* Update MD5 if requested */
351 if (ff_pkt->flags & FO_MD5) {
352 MD5Update(&md5c, (unsigned char *)rbuf, sd->msglen);
354 } else if (ff_pkt->flags & FO_SHA1) {
355 SHA1Update(&sha1c, (unsigned char *)rbuf, sd->msglen);
360 /* Do compression if turned on */
361 if (!sparseBlock && ff_pkt->flags & FO_GZIP) {
363 compress_len = max_compress_len;
364 Dmsg4(400, "cbuf=0x%x len=%u rbuf=0x%x len=%u\n", cbuf, compress_len,
366 /* NOTE! This call modifies compress_len !!! */
367 if ((zstat=compress2((Bytef *)cbuf, &compress_len,
368 (const Bytef *)rbuf, (uLong)sd->msglen,
369 ff_pkt->GZIP_level)) != Z_OK) {
370 Jmsg(jcr, M_FATAL, 0, _("Compression error: %d\n"), zstat);
373 bclose(&ff_pkt->bfd);
374 set_jcr_job_status(jcr, JS_ErrorTerminated);
377 Dmsg2(400, "compressed len=%d uncompressed len=%d\n",
378 compress_len, sd->msglen);
380 sd->msglen = compress_len; /* set compressed length */
384 /* #ifndef FD_NO_SEND_TEST */
385 /* Send the buffer to the Storage daemon */
387 if (ff_pkt->flags & FO_SPARSE) {
388 sd->msglen += SPARSE_FADDR_SIZE; /* include fileAddr in size */
390 sd->msg = wbuf; /* set correct write buffer */
391 if (!bnet_send(sd)) {
392 sd->msg = msgsave; /* restore read buffer */
394 bclose(&ff_pkt->bfd);
395 set_jcr_job_status(jcr, JS_ErrorTerminated);
399 Dmsg1(130, "Send data to SD len=%d\n", sd->msglen);
401 jcr->JobBytes += sd->msglen; /* count bytes saved possibly compressed */
402 sd->msg = msgsave; /* restore read buffer */
404 } /* end while read file data */
407 if (sd->msglen < 0) {
408 Jmsg(jcr, M_ERROR, 0, _("Read error on file %s. ERR=%s\n"),
409 ff_pkt->fname, berror(&ff_pkt->bfd));
412 bclose(&ff_pkt->bfd); /* close file */
413 if (!bnet_sig(sd, BNET_EOD)) { /* indicate end of file data */
414 set_jcr_job_status(jcr, JS_ErrorTerminated);
420 /* Terminate any MD5 signature and send it to Storage daemon and the Director */
421 if (gotMD5 && ff_pkt->flags & FO_MD5) {
422 MD5Final(signature, &md5c);
423 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_MD5_SIGNATURE);
424 Dmsg1(100, "bfiled>stored:header %s\n", sd->msg);
425 memcpy(sd->msg, signature, 16);
428 bnet_sig(sd, BNET_EOD); /* end of MD5 */
430 } else if (gotSHA1 && ff_pkt->flags & FO_SHA1) {
431 /* Terminate any SHA1 signature and send it to Storage daemon and the Director */
432 SHA1Final(&sha1c, signature);
433 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_SHA1_SIGNATURE);
434 Dmsg1(100, "bfiled>stored:header %s\n", sd->msg);
435 memcpy(sd->msg, signature, 20);
438 bnet_sig(sd, BNET_EOD); /* end of SHA1 */