2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2012 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version three of the GNU Affero General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Affero General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
29 * Append code for Storage daemon
30 * Kern Sibbald, May MM
38 /* Responses sent to the File daemon */
39 static char OK_data[] = "3000 OK data\n";
40 static char OK_append[] = "3000 OK append data\n";
42 /* Forward referenced functions */
47 void possible_incomplete_job(JCR *jcr, int32_t last_file_index)
51 * Append Data sent from File daemon
54 bool do_append_data(JCR *jcr)
57 int32_t file_index, stream, last_file_index;
58 BSOCK *fd = jcr->file_bsock;
61 char buf1[100], buf2[100];
68 Jmsg0(jcr, M_FATAL, 0, _("DCR is NULL!!!\n"));
73 Jmsg0(jcr, M_FATAL, 0, _("DEVICE is NULL!!!\n"));
77 Dmsg1(100, "Start append data. res=%d\n", dev->num_reserved());
79 memset(&rec, 0, sizeof(rec));
81 if (!fd->set_buffer_size(dcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
82 jcr->setJobStatus(JS_ErrorTerminated);
83 Jmsg0(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
87 if (!acquire_device_for_append(dcr)) {
88 jcr->setJobStatus(JS_ErrorTerminated);
92 jcr->sendJobStatus(JS_Running);
94 if (dev->VolCatInfo.VolCatName[0] == 0) {
95 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
97 Dmsg1(50, "Begin append device=%s\n", dev->print_name());
99 begin_data_spool(dcr);
100 begin_attribute_spool(jcr);
102 Dmsg0(100, "Just after acquire_device_for_append\n");
103 if (dev->VolCatInfo.VolCatName[0] == 0) {
104 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
107 * Write Begin Session Record
109 if (!write_session_label(dcr, SOS_LABEL)) {
110 Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
112 jcr->setJobStatus(JS_ErrorTerminated);
115 if (dev->VolCatInfo.VolCatName[0] == 0) {
116 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
119 /* Tell File daemon to send data */
120 if (!fd->fsend(OK_data)) {
122 Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
123 be.bstrerror(fd->b_errno));
128 * Get Data from File daemon, write to device. To clarify what is
129 * going on here. We expect:
131 * - Multiple records of data
134 * The Stream header is just used to sychronize things, and
135 * none of the stream header is written to tape.
136 * The Multiple records of data, contain first the Attributes,
137 * then after another stream header, the file data, then
138 * after another stream header, the MD5 data if any.
140 * So we get the (stream header, data, EOD) three time for each
141 * file. 1. for the Attributes, 2. for the file data if any,
142 * and 3. for the MD5 if any.
144 dcr->VolFirstIndex = dcr->VolLastIndex = 0;
145 jcr->run_time = time(NULL); /* start counting time for rates */
146 for (last_file_index = 0; ok && !jcr->is_job_canceled(); ) {
148 /* Read Stream header from the File daemon.
149 * The stream header consists of the following:
150 * file_index (sequential Bacula file index, base 1)
151 * stream (Bacula number to distinguish parts of data)
152 * info (Info for Storage daemon -- compressed, encrypted, ...)
153 * info is not currently used, so is read, but ignored!
155 if ((n=bget_msg(fd)) <= 0) {
156 if (n == BNET_SIGNAL && fd->msglen == BNET_EOD) {
157 break; /* end of data */
159 Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
161 possible_incomplete_job(jcr, last_file_index);
166 if (sscanf(fd->msg, "%ld %ld", &file_index, &stream) != 2) {
167 Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), fd->msg);
169 possible_incomplete_job(jcr, last_file_index);
173 Dmsg2(890, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);
176 * We make sure the file_index is advancing sequentially.
177 * An incomplete job can start the file_index at any number.
178 * otherwise, it must start at 1.
180 if (jcr->rerunning && file_index > 0 && last_file_index == 0) {
183 if (file_index > 0 && (file_index == last_file_index ||
184 file_index == last_file_index + 1)) {
187 Jmsg2(jcr, M_FATAL, 0, _("FI=%d from FD not positive or sequential=%d\n"),
188 file_index, last_file_index);
189 possible_incomplete_job(jcr, last_file_index);
194 if (file_index != last_file_index) {
195 jcr->JobFiles = file_index;
196 last_file_index = file_index;
199 /* Read data stream from the File daemon.
200 * The data stream is just raw bytes
202 while ((n=bget_msg(fd)) > 0 && !jcr->is_job_canceled()) {
203 rec.VolSessionId = jcr->VolSessionId;
204 rec.VolSessionTime = jcr->VolSessionTime;
205 rec.FileIndex = file_index;
207 rec.maskedStream = stream & STREAMMASK_TYPE; /* strip high bits */
208 rec.data_len = fd->msglen;
209 rec.data = fd->msg; /* use message buffer */
211 Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
212 rec.FileIndex, rec.VolSessionId,
213 stream_to_ascii(buf1, rec.Stream,rec.FileIndex),
216 ok = dcr->write_record(&rec);
218 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
219 dcr->dev->print_name(), dcr->dev->bstrerror());
222 jcr->JobBytes += rec.data_len; /* increment bytes this job */
223 Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
224 FI_to_ascii(buf1, rec.FileIndex), rec.VolSessionId,
225 stream_to_ascii(buf2, rec.Stream, rec.FileIndex), rec.data_len);
227 send_attrs_to_dir(jcr, &rec);
228 Dmsg0(650, "Enter bnet_get\n");
230 Dmsg1(650, "End read loop with FD. Stat=%d\n", n);
232 if (fd->is_error()) {
233 if (!jcr->is_job_canceled()) {
234 Dmsg1(350, "Network read error from FD. ERR=%s\n", fd->bstrerror());
235 Jmsg1(jcr, M_FATAL, 0, _("Network error reading from FD. ERR=%s\n"),
237 possible_incomplete_job(jcr, last_file_index);
244 /* Create Job status for end of session label */
245 jcr->setJobStatus(ok?JS_Terminated:JS_ErrorTerminated);
248 /* Terminate connection with FD */
249 fd->fsend(OK_append);
250 do_fd_commands(jcr); /* finish dialog with FD */
252 fd->fsend("3999 Failed append\n");
255 Dmsg1(200, "Write EOS label JobStatus=%c\n", jcr->JobStatus);
258 * Check if we can still write. This may not be the case
259 * if we are at the end of the tape or we got a fatal I/O error.
261 if (ok || dev->can_write()) {
262 if (!write_session_label(dcr, EOS_LABEL)) {
263 /* Print only if ok and not cancelled to avoid spurious messages */
264 if (ok && !jcr->is_job_canceled()) {
265 Jmsg1(jcr, M_FATAL, 0, _("Error writing end session label. ERR=%s\n"),
267 possible_incomplete_job(jcr, last_file_index);
269 jcr->setJobStatus(JS_ErrorTerminated);
272 Dmsg0(90, "back from write_end_session_label()\n");
273 /* Flush out final partial block of this session */
274 if (!dcr->write_block_to_device()) {
275 /* Print only if ok and not cancelled to avoid spurious messages */
276 if (ok && !jcr->is_job_canceled()) {
277 Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
278 dev->print_name(), dev->bstrerror());
279 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
280 possible_incomplete_job(jcr, last_file_index);
282 jcr->setJobStatus(JS_ErrorTerminated);
287 if (!ok && !jcr->is_JobStatus(JS_Incomplete)) {
288 discard_data_spool(dcr);
290 /* Note: if commit is OK, the device will remain blocked */
291 commit_data_spool(dcr);
295 ok = dvd_close_job(dcr); /* do DVD cleanup if any */
299 * Don't use time_t for job_elapsed as time_t can be 32 or 64 bits,
300 * and the subsequent Jmsg() editing will break
302 int32_t job_elapsed = time(NULL) - jcr->run_time;
304 if (job_elapsed <= 0) {
308 Jmsg(dcr->jcr, M_INFO, 0, _("Elapsed time=%02d:%02d:%02d, Transfer rate=%s Bytes/second\n"),
309 job_elapsed / 3600, job_elapsed % 3600 / 60, job_elapsed % 60,
310 edit_uint64_with_suffix(jcr->JobBytes / job_elapsed, ec));
313 * Release the device -- and send final Vol info to DIR
318 if ((!ok || jcr->is_job_canceled()) && !jcr->is_JobStatus(JS_Incomplete)) {
319 discard_attribute_spool(jcr);
321 commit_attribute_spool(jcr);
324 jcr->sendJobStatus(); /* update director */
326 Dmsg1(100, "return from do_append_data() ok=%d\n", ok);
331 /* Send attributes and digest to Director for Catalog */
332 bool send_attrs_to_dir(JCR *jcr, DEV_RECORD *rec)
334 if (rec->maskedStream == STREAM_UNIX_ATTRIBUTES ||
335 rec->maskedStream == STREAM_UNIX_ATTRIBUTES_EX ||
336 rec->maskedStream == STREAM_RESTORE_OBJECT ||
337 crypto_digest_stream_type(rec->maskedStream) != CRYPTO_DIGEST_NONE) {
338 if (!jcr->no_attributes) {
339 BSOCK *dir = jcr->dir_bsock;
340 if (are_attributes_spooled(jcr)) {
343 Dmsg0(850, "Send attributes to dir.\n");
344 if (!dir_update_file_attributes(jcr->dcr, rec)) {
345 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
347 dir->clear_spooling();
350 dir->clear_spooling();