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 *ijcr)
98 char attribs[MAXSTRING];
99 char attribsEx[MAXSTRING];
101 struct MD5Context md5c;
103 unsigned char signature[16];
105 JCR *jcr = (JCR *)ijcr;
108 if (job_cancelled(jcr)) {
112 sd = jcr->store_bsock;
113 jcr->num_files_examined++; /* bump total file count */
115 switch (ff_pkt->type) {
116 case FT_LNKSAVED: /* Hard linked, file already saved */
117 Dmsg2(130, "FT_LNKSAVED hard link: %s => %s\n", ff_pkt->fname, ff_pkt->link);
120 Dmsg1(130, "FT_REGE saving: %s\n", ff_pkt->fname);
123 Dmsg1(130, "FT_REG saving: %s\n", ff_pkt->fname);
126 Dmsg2(130, "FT_LNK saving: %s -> %s\n", ff_pkt->fname, ff_pkt->link);
129 Dmsg1(130, "FT_DIR saving: %s\n", ff_pkt->link);
132 Dmsg1(130, "FT_SPEC saving: %s\n", ff_pkt->fname);
135 Dmsg1(130, "FT_RAW saving: %s\n", ff_pkt->fname);
138 Dmsg1(130, "FT_FIFO saving: %s\n", ff_pkt->fname);
141 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not access %s: ERR=%s\n"), ff_pkt->fname,
142 strerror(ff_pkt->ff_errno));
145 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not follow link %s: ERR=%s\n"), ff_pkt->fname,
146 strerror(ff_pkt->ff_errno));
149 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not stat %s: ERR=%s\n"), ff_pkt->fname,
150 strerror(ff_pkt->ff_errno));
154 Jmsg(jcr, M_SKIPPED, -1, _(" Unchanged file skipped: %s\n"), ff_pkt->fname);
157 Jmsg(jcr, M_NOTSAVED, -1, _(" Archive file not saved: %s\n"), ff_pkt->fname);
160 Jmsg(jcr, M_SKIPPED, -1, _(" Recursion turned off. Directory skipped: %s\n"),
164 Jmsg(jcr, M_SKIPPED, -1, _(" File system change prohibited. Directory skipped. %s\n"),
168 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not open directory %s: ERR=%s\n"), ff_pkt->fname,
169 strerror(ff_pkt->ff_errno));
172 Jmsg(jcr, M_NOTSAVED, 0, _(" Unknown file type %d; not saved: %s\n"), ff_pkt->type, ff_pkt->fname);
176 if (ff_pkt->type != FT_LNKSAVED && (S_ISREG(ff_pkt->statp.st_mode) &&
177 ff_pkt->statp.st_size > 0) ||
178 ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO) {
179 if ((ff_pkt->fid = open(ff_pkt->fname, O_RDONLY | O_BINARY)) < 0) {
180 ff_pkt->ff_errno = errno;
181 Jmsg(jcr, M_NOTSAVED, -1, _(" Cannot open %s: ERR=%s.\n"), ff_pkt->fname, strerror(ff_pkt->ff_errno));
188 Dmsg1(130, "bfiled: sending %s to stored\n", ff_pkt->fname);
189 encode_stat(attribs, &ff_pkt->statp);
190 stream = encode_attribsEx(jcr, attribsEx, ff_pkt);
191 Dmsg3(200, "File %s\nattribs=%s\nattribsEx=%s\n", ff_pkt->fname, attribs, attribsEx);
194 jcr->JobFiles++; /* increment number of files sent */
195 pm_strcpy(&jcr->last_fname, ff_pkt->fname);
199 * Send Attributes header to Storage daemon
200 * <file-index> <stream> <info>
202 #ifndef NO_FD_SEND_TEST
203 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, stream)) {
204 if (ff_pkt->fid >= 0) {
207 set_jcr_job_status(jcr, JS_ErrorTerminated);
210 Dmsg1(100, ">stored: attrhdr %s\n", sd->msg);
213 * Send file attributes to Storage daemon
216 * Filename (full path)
218 * Link name (if type==FT_LNK or FT_LNKSAVED)
219 * Encoded extended-attributes (for Win32)
221 * For a directory, link is the same as fname, but with trailing
222 * slash. For a linked file, link is the link.
224 if (ff_pkt->type == FT_LNK || ff_pkt->type == FT_LNKSAVED) {
225 Dmsg2(100, "Link %s to %s\n", ff_pkt->fname, ff_pkt->link);
226 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%s%c%s%c", jcr->JobFiles,
227 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, ff_pkt->link, 0,
229 } else if (ff_pkt->type == FT_DIR) {
230 /* Here link is the canonical filename (i.e. with trailing slash) */
231 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c%s%c", jcr->JobFiles,
232 ff_pkt->type, ff_pkt->link, 0, attribs, 0, 0, attribsEx, 0);
234 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c%s%c", jcr->JobFiles,
235 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, 0, attribsEx, 0);
238 Dmsg2(100, ">stored: attr len=%d: %s\n", sd->msglen, sd->msg);
240 if (ff_pkt->fid >= 0) {
243 set_jcr_job_status(jcr, JS_ErrorTerminated);
246 bnet_sig(sd, BNET_EOD); /* indicate end of attributes data */
250 * If the file has data, read it and send to the Storage daemon
253 if (ff_pkt->fid >= 0) {
254 uint64_t fileAddr = 0; /* file address */
256 int rsize = jcr->buf_size; /* read buffer size */
259 rbuf = sd->msg; /* read buffer */
260 wbuf = sd->msg; /* write buffer */
262 Dmsg1(100, "Saving data, type=%d\n", ff_pkt->type);
264 if (ff_pkt->flags & FO_SPARSE) {
265 stream = STREAM_SPARSE_DATA;
267 stream = STREAM_FILE_DATA;
271 uLong compress_len, max_compress_len = 0;
272 const Bytef *cbuf = NULL;
274 if (ff_pkt->flags & FO_GZIP) {
275 if (stream == STREAM_FILE_DATA) {
276 stream = STREAM_GZIP_DATA;
278 stream = STREAM_SPARSE_GZIP_DATA;
281 if (ff_pkt->flags & FO_SPARSE) {
282 cbuf = (Bytef *)jcr->compress_buf + SPARSE_FADDR_SIZE;
283 max_compress_len = jcr->compress_buf_size - SPARSE_FADDR_SIZE;
285 cbuf = (Bytef *)jcr->compress_buf;
286 max_compress_len = jcr->compress_buf_size; /* set max length */
288 wbuf = jcr->compress_buf; /* compressed output here */
292 #ifndef NO_FD_SEND_TEST
294 * Send Data header to Storage daemon
295 * <file-index> <stream> <info>
297 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, stream)) {
299 set_jcr_job_status(jcr, JS_ErrorTerminated);
302 Dmsg1(100, ">stored: datahdr %s\n", sd->msg);
305 if (ff_pkt->flags & FO_MD5) {
310 * Make space at beginning of buffer for fileAddr because this
311 * same buffer will be used for writing if compression if off.
313 if (ff_pkt->flags & FO_SPARSE) {
314 rbuf += SPARSE_FADDR_SIZE;
315 rsize -= SPARSE_FADDR_SIZE;
321 while ((sd->msglen=read(ff_pkt->fid, rbuf, rsize)) > 0) {
324 /* Check for sparse blocks */
325 if (ff_pkt->flags & FO_SPARSE) {
327 if (sd->msglen == rsize &&
328 (fileAddr+sd->msglen < (uint64_t)ff_pkt->statp.st_size)) {
329 sparseBlock = is_buf_zero(rbuf, rsize);
332 ser_begin(wbuf, SPARSE_FADDR_SIZE);
333 ser_uint64(fileAddr); /* store fileAddr in begin of buffer */
336 jcr->ReadBytes += sd->msglen; /* count bytes read */
337 fileAddr += sd->msglen;
339 /* Update MD5 if requested */
340 if (ff_pkt->flags & FO_MD5) {
341 MD5Update(&md5c, (unsigned char *)rbuf, sd->msglen);
346 /* Do compression if turned on */
347 if (!sparseBlock && ff_pkt->flags & FO_GZIP) {
349 compress_len = max_compress_len;
350 Dmsg4(400, "cbuf=0x%x len=%u rbuf=0x%x len=%u\n", cbuf, compress_len,
352 /* NOTE! This call modifies compress_len !!! */
353 if ((zstat=compress2((Bytef *)cbuf, &compress_len,
354 (const Bytef *)rbuf, (uLong)sd->msglen,
355 ff_pkt->GZIP_level)) != Z_OK) {
356 Jmsg(jcr, M_FATAL, 0, _("Compression error: %d\n"), zstat);
360 set_jcr_job_status(jcr, JS_ErrorTerminated);
363 Dmsg2(400, "compressed len=%d uncompressed len=%d\n",
364 compress_len, sd->msglen);
366 sd->msglen = compress_len; /* set compressed length */
370 #ifndef NO_FD_SEND_TEST
371 /* Send the buffer to the Storage daemon */
373 if (ff_pkt->flags & FO_SPARSE) {
374 sd->msglen += SPARSE_FADDR_SIZE; /* include fileAddr in size */
376 sd->msg = wbuf; /* set correct write buffer */
377 if (!bnet_send(sd)) {
378 sd->msg = msgsave; /* restore read buffer */
381 set_jcr_job_status(jcr, JS_ErrorTerminated);
385 Dmsg1(130, "Send data to FD len=%d\n", sd->msglen);
387 jcr->JobBytes += sd->msglen; /* count bytes saved possibly compressed */
388 sd->msg = msgsave; /* restore read buffer */
390 } /* end while read file data */
392 if (sd->msglen < 0) {
393 Jmsg(jcr, M_ERROR, 0, _("Read error on file %s. ERR=%s\n"),
394 ff_pkt->fname, strerror(errno));
397 close(ff_pkt->fid); /* close file */
398 #ifndef NO_FD_SEND_TEST
399 if (!bnet_sig(sd, BNET_EOD)) { /* indicate end of file data */
400 set_jcr_job_status(jcr, JS_ErrorTerminated);
403 #endif /* NO_FD_SEND_TEST */
407 /* Terminate any MD5 signature and send it to Storage daemon and the Director */
408 if (gotMD5 && ff_pkt->flags & FO_MD5) {
409 MD5Final(signature, &md5c);
410 #ifndef NO_FD_SEND_TEST
411 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_MD5_SIGNATURE);
412 Dmsg1(100, "bfiled>stored:header %s\n", sd->msg);
413 memcpy(sd->msg, signature, 16);
416 bnet_sig(sd, BNET_EOD); /* end of MD5 */