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, 2001, 2002 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 jcr->JobStatus = JS_Running;
49 Dmsg1(10, "bfiled: opened data connection %d to stored\n", sd->fd);
51 if (!bnet_set_buffer_size(sd, MAX_NETWORK_BUFFER_SIZE, BNET_SETBUF_WRITE)) {
55 jcr->buf_size = sd->msglen;
56 /* Adjust for compression so that output buffer is
57 * 12 bytes + 0.1% larger than input buffer plus 2 bytes.
58 * Note, we adjust the read size to be smaller so that the
59 * same output buffer can be used without growing it.
61 jcr->compress_buf_size = jcr->buf_size + ((jcr->buf_size+999) / 1000) + 14;
62 jcr->compress_buf = get_memory(jcr->compress_buf_size);
64 Dmsg1(100, "set_find_options ff=%p\n", jcr->ff);
65 set_find_options(jcr->ff, jcr->incremental, jcr->mtime);
66 Dmsg0(10, "start find files\n");
68 /* Subroutine save_file() is called for each file */
69 /* ***FIXME**** add FSM code */
70 if (!find_files(jcr->ff, save_file, (void *)jcr)) {
74 bnet_sig(sd, BNET_EOD); /* end data connection */
80 if (jcr->compress_buf) {
81 free_pool_memory(jcr->compress_buf);
82 jcr->compress_buf = NULL;
88 * Called here by find() for each file included.
90 * *****FIXME***** add FSMs File System Modules
92 * Send the file and its data to the Storage daemon.
94 static int save_file(FF_PKT *ff_pkt, void *ijcr)
96 char attribs[MAXSTRING];
97 int fid, stat, stream, len;
98 struct MD5Context md5c;
100 unsigned char signature[16];
102 JCR *jcr = (JCR *)ijcr;
105 if (job_cancelled(jcr)) {
109 sd = jcr->store_bsock;
110 jcr->num_files_examined++; /* bump total file count */
112 switch (ff_pkt->type) {
113 case FT_LNKSAVED: /* Hard linked, file already saved */
116 Dmsg1(30, "FT_REGE saving: %s\n", ff_pkt->fname);
119 Dmsg1(30, "FT_REG saving: %s\n", ff_pkt->fname);
122 Dmsg2(30, "FT_LNK saving: %s -> %s\n", ff_pkt->fname, ff_pkt->link);
125 Dmsg1(30, "FT_DIR saving: %s\n", ff_pkt->link);
128 Dmsg1(30, "FT_SPEC saving: %s\n", ff_pkt->fname);
131 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not access %s: ERR=%s"), ff_pkt->fname,
132 strerror(ff_pkt->ff_errno));
135 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not follow link %s: ERR=%s\n"), ff_pkt->fname,
136 strerror(ff_pkt->ff_errno));
139 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not stat %s: ERR=%s\n"), ff_pkt->fname,
140 strerror(ff_pkt->ff_errno));
144 Jmsg(jcr, M_SKIPPED, -1, _(" Unchanged file skipped: %s\n"), ff_pkt->fname);
147 Jmsg(jcr, M_NOTSAVED, -1, _(" Archive file not saved: %s\n"), ff_pkt->fname);
150 Jmsg(jcr, M_SKIPPED, -1, _(" Recursion turned off. Directory skipped: %s\n"),
154 Jmsg(jcr, M_SKIPPED, -1, _(" File system change prohibited. Directory skipped. %s\n"),
158 Jmsg(jcr, M_NOTSAVED, -1, _(" Could not open directory %s: ERR=%s\n"), ff_pkt->fname,
159 strerror(ff_pkt->ff_errno));
162 Jmsg(jcr, M_ERROR, 0, _("Unknown file type %d; not saved: %s\n"), ff_pkt->type, ff_pkt->fname);
166 if (ff_pkt->type != FT_LNKSAVED && S_ISREG(ff_pkt->statp.st_mode) &&
167 ff_pkt->statp.st_size > 0) {
168 if ((fid = open(ff_pkt->fname, O_RDONLY | O_BINARY)) < 0) {
169 ff_pkt->ff_errno = errno;
170 Jmsg(jcr, M_NOTSAVED, -1, _("Cannot open %s: ERR=%s.\n"), ff_pkt->fname, strerror(ff_pkt->ff_errno));
177 Dmsg1(30, "bfiled: sending %s to stored\n", ff_pkt->fname);
178 encode_stat(attribs, &ff_pkt->statp);
180 jcr->JobFiles++; /* increment number of files sent */
181 len = strlen(ff_pkt->fname);
182 jcr->last_fname = check_pool_memory_size(jcr->last_fname, len + 1);
183 jcr->last_fname[len] = 0; /* terminate properly before copy */
184 strcpy(jcr->last_fname, ff_pkt->fname);
187 * Send Attributes header to Storage daemon
188 * <file-index> <stream> <info>
190 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_UNIX_ATTRIBUTES)) {
196 Dmsg1(10, ">stored: attrhdr %s\n", sd->msg);
199 * Send file attributes to Storage daemon
202 * Filename (full path)
204 * Link name (if type==FT_LNK)
205 * For a directory, link is the same as fname, but with trailing
206 * slash. For a linked file, link is the link.
208 if (ff_pkt->type == FT_LNK) {
209 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%s%c", jcr->JobFiles,
210 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, ff_pkt->link, 0);
211 } else if (ff_pkt->type == FT_DIR) {
212 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c", jcr->JobFiles,
213 ff_pkt->type, ff_pkt->link, 0, attribs, 0, 0);
215 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c", jcr->JobFiles,
216 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, 0);
219 Dmsg2(20, ">stored: attr len=%d: %s\n", sd->msglen, sd->msg);
226 /* send data termination sentinel */
227 bnet_sig(sd, BNET_EOD);
230 * If the file has data, read it and send to the Storage daemon
235 Dmsg1(60, "Saving data, type=%d\n", ff_pkt->type);
237 * Send Data header to Storage daemon
238 * <file-index> <stream> <info>
241 stream = STREAM_FILE_DATA;
244 if (ff_pkt->flags & FO_GZIP) {
245 stream = STREAM_GZIP_DATA;
249 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, stream)) {
253 Dmsg1(10, ">stored: datahdr %s\n", sd->msg);
255 if (ff_pkt->flags & FO_MD5) {
260 while ((sd->msglen=read(fid, sd->msg, jcr->buf_size)) > 0) {
261 if (ff_pkt->flags & FO_MD5) {
262 MD5Update(&md5c, (unsigned char *)(sd->msg), sd->msglen);
266 /* ***FIXME*** add compression level options */
267 if (ff_pkt->flags & FO_GZIP) {
269 compress_len = jcr->compress_buf_size; /* set max length */
270 if (compress2((Bytef *)jcr->compress_buf, &compress_len,
271 (const Bytef *)sd->msg, (uLong)sd->msglen,
272 ff_pkt->GZIP_level) != Z_OK) {
273 Jmsg(jcr, M_ERROR, 0, _("Compression error\n"));
279 Dmsg2(100, "compressed len=%d uncompressed len=%d\n",
280 compress_len, sd->msglen);
282 sd->msg = jcr->compress_buf; /* write compressed buffer */
283 sd->msglen = compress_len;
284 if (!bnet_send(sd)) {
285 sd->msg = msgsave; /* restore read buffer */
290 Dmsg1(30, "Send data to FD len=%d\n", sd->msglen);
291 jcr->JobBytes += sd->msglen;
292 sd->msg = msgsave; /* restore read buffer */
296 if (!bnet_send(sd)) {
300 Dmsg1(30, "Send data to FD len=%d\n", sd->msglen);
301 jcr->JobBytes += sd->msglen;
304 if (sd->msglen < 0) {
305 Jmsg(jcr, M_ERROR, 0, _("Error during save reading ERR=%s\n"), ff_pkt->fname,
306 strerror(ff_pkt->ff_errno));
309 /* Send data termination poll signal to Storage daemon.
310 * NOTE possibly put this poll on a counter as specified
311 * by the user to improve efficiency (i.e. poll every
312 * other file, every third file, ...
314 bnet_sig(sd, BNET_EOD_POLL);
315 Dmsg0(30, "Send EndData_Poll\n");
316 /* ***FIXME**** change to use bget_msg() */
317 if (bnet_recv(sd) <= 0) {
321 if (strcmp(sd->msg, "3000 OK\n") != 0) {
322 Jmsg1(jcr, M_ERROR, 0, _("Job aborted by Storage daemon: %s\n"), sd->msg);
327 close(fid); /* close file */
331 /* Terminate any MD5 signature and send it to Storage daemon and the Director */
332 if (gotMD5 && ff_pkt->flags & FO_MD5) {
333 MD5Final(signature, &md5c);
334 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_MD5_SIGNATURE);
335 Dmsg1(10, "bfiled>stored:header %s\n", sd->msg);
336 memcpy(sd->msg, signature, 16);
339 bnet_sig(sd, BNET_EOD); /* end of MD5 */
343 if (ff_pkt->type == FT_DIR) {
344 Jmsg(jcr, M_SAVED, -1, _(" Directory saved normally: %s\n"), ff_pkt->link);
346 Jmsg(jcr, M_SAVED, -1, _(" File saved normally: %s\n"), ff_pkt->fname);