2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2009 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 two of the GNU 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 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
39 /* Responses sent to the File daemon */
40 static char OK_data[] = "3000 OK data\n";
41 static char OK_append[] = "3000 OK append data\n";
43 /* Forward referenced functions */
46 * Append Data sent from File daemon
49 bool do_append_data(JCR *jcr)
52 int32_t file_index, stream, last_file_index;
53 BSOCK *fd = jcr->file_bsock;
56 char buf1[100], buf2[100];
63 Jmsg0(jcr, M_FATAL, 0, _("DCR is NULL!!!\n"));
68 Jmsg0(jcr, M_FATAL, 0, _("DEVICE is NULL!!!\n"));
72 Dmsg1(100, "Start append data. res=%d\n", dev->num_reserved());
74 memset(&rec, 0, sizeof(rec));
76 if (!fd->set_buffer_size(dcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
77 set_jcr_job_status(jcr, JS_ErrorTerminated);
78 Jmsg0(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
82 if (!acquire_device_for_append(dcr)) {
83 set_jcr_job_status(jcr, JS_ErrorTerminated);
87 set_jcr_job_status(jcr, JS_Running);
88 dir_send_job_status(jcr);
90 if (dev->VolCatInfo.VolCatName[0] == 0) {
91 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
93 Dmsg1(50, "Begin append device=%s\n", dev->print_name());
95 begin_data_spool(dcr);
96 begin_attribute_spool(jcr);
98 Dmsg0(100, "Just after acquire_device_for_append\n");
99 if (dev->VolCatInfo.VolCatName[0] == 0) {
100 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
103 * Write Begin Session Record
105 if (!write_session_label(dcr, SOS_LABEL)) {
106 Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
108 set_jcr_job_status(jcr, JS_ErrorTerminated);
111 if (dev->VolCatInfo.VolCatName[0] == 0) {
112 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
115 /* Tell File daemon to send data */
116 if (!fd->fsend(OK_data)) {
118 Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
119 be.bstrerror(fd->b_errno));
124 * Get Data from File daemon, write to device. To clarify what is
125 * going on here. We expect:
127 * - Multiple records of data
130 * The Stream header is just used to sychronize things, and
131 * none of the stream header is written to tape.
132 * The Multiple records of data, contain first the Attributes,
133 * then after another stream header, the file data, then
134 * after another stream header, the MD5 data if any.
136 * So we get the (stream header, data, EOD) three time for each
137 * file. 1. for the Attributes, 2. for the file data if any,
138 * and 3. for the MD5 if any.
140 dcr->VolFirstIndex = dcr->VolLastIndex = 0;
141 jcr->run_time = time(NULL); /* start counting time for rates */
142 for (last_file_index = 0; ok && !jcr->is_job_canceled(); ) {
144 /* Read Stream header from the File daemon.
145 * The stream header consists of the following:
146 * file_index (sequential Bacula file index, base 1)
147 * stream (Bacula number to distinguish parts of data)
148 * info (Info for Storage daemon -- compressed, encrypted, ...)
149 * info is not currently used, so is read, but ignored!
151 if ((n=bget_msg(fd)) <= 0) {
152 if (n == BNET_SIGNAL && fd->msglen == BNET_EOD) {
153 break; /* end of data */
155 Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
161 if (sscanf(fd->msg, "%ld %ld", &file_index, &stream) != 2) {
162 Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), fd->msg);
167 Dmsg2(890, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);
169 if (!(file_index > 0 && (file_index == last_file_index ||
170 file_index == last_file_index + 1))) {
171 Jmsg0(jcr, M_FATAL, 0, _("File index from FD not positive or sequential\n"));
175 if (file_index != last_file_index) {
176 jcr->JobFiles = file_index;
177 last_file_index = file_index;
180 /* Read data stream from the File daemon.
181 * The data stream is just raw bytes
183 while ((n=bget_msg(fd)) > 0 && !jcr->is_job_canceled()) {
184 rec.VolSessionId = jcr->VolSessionId;
185 rec.VolSessionTime = jcr->VolSessionTime;
186 rec.FileIndex = file_index;
188 rec.data_len = fd->msglen;
189 rec.data = fd->msg; /* use message buffer */
191 Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
192 rec.FileIndex, rec.VolSessionId,
193 stream_to_ascii(buf1, rec.Stream,rec.FileIndex),
196 while (!write_record_to_block(dcr->block, &rec)) {
197 Dmsg2(850, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
199 if (!write_block_to_device(dcr)) {
200 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
201 dev->print_name(), dev->bstrerror());
207 Dmsg0(400, "Not OK\n");
210 jcr->JobBytes += rec.data_len; /* increment bytes this job */
211 Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
212 FI_to_ascii(buf1, rec.FileIndex), rec.VolSessionId,
213 stream_to_ascii(buf2, rec.Stream, rec.FileIndex), rec.data_len);
215 /* Send attributes and digest to Director for Catalog */
216 if (stream == STREAM_UNIX_ATTRIBUTES ||
217 stream == STREAM_UNIX_ATTRIBUTES_EX ||
218 stream == STREAM_RESTORE_OBJECT ||
219 crypto_digest_stream_type(stream) != CRYPTO_DIGEST_NONE) {
220 if (!jcr->no_attributes) {
221 BSOCK *dir = jcr->dir_bsock;
222 if (are_attributes_spooled(jcr)) {
225 Dmsg0(850, "Send attributes to dir.\n");
226 if (!dir_update_file_attributes(dcr, &rec)) {
227 dir->clear_spooling();
228 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
233 dir->clear_spooling();
236 Dmsg0(650, "Enter bnet_get\n");
238 Dmsg1(650, "End read loop with FD. Stat=%d\n", n);
240 if (fd->is_error()) {
241 if (!jcr->is_job_canceled()) {
242 Dmsg1(350, "Network read error from FD. ERR=%s\n", fd->bstrerror());
243 Jmsg1(jcr, M_FATAL, 0, _("Network error reading from FD. ERR=%s\n"),
251 /* Create Job status for end of session label */
252 set_jcr_job_status(jcr, ok?JS_Terminated:JS_ErrorTerminated);
255 /* Terminate connection with FD */
256 fd->fsend(OK_append);
257 do_fd_commands(jcr); /* finish dialog with FD */
259 fd->fsend("3999 Failed append\n");
263 * Don't use time_t for job_elapsed as time_t can be 32 or 64 bits,
264 * and the subsequent Jmsg() editing will break
266 int32_t job_elapsed = time(NULL) - jcr->run_time;
268 if (job_elapsed <= 0) {
272 Jmsg(dcr->jcr, M_INFO, 0, _("Job write elapsed time = %02d:%02d:%02d, Transfer rate = %s Bytes/second\n"),
273 job_elapsed / 3600, job_elapsed % 3600 / 60, job_elapsed % 60,
274 edit_uint64_with_suffix(jcr->JobBytes / job_elapsed, ec));
277 Dmsg1(200, "Write EOS label JobStatus=%c\n", jcr->JobStatus);
280 * Check if we can still write. This may not be the case
281 * if we are at the end of the tape or we got a fatal I/O error.
283 if (ok || dev->can_write()) {
284 if (!write_session_label(dcr, EOS_LABEL)) {
285 /* Print only if ok and not cancelled to avoid spurious messages */
286 if (ok && !jcr->is_job_canceled()) {
287 Jmsg1(jcr, M_FATAL, 0, _("Error writing end session label. ERR=%s\n"),
290 set_jcr_job_status(jcr, JS_ErrorTerminated);
293 if (dev->VolCatInfo.VolCatName[0] == 0) {
294 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
295 Dmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
297 Dmsg0(90, "back from write_end_session_label()\n");
298 /* Flush out final partial block of this session */
299 if (!write_block_to_device(dcr)) {
300 /* Print only if ok and not cancelled to avoid spurious messages */
301 if (ok && !jcr->is_job_canceled()) {
302 Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
303 dev->print_name(), dev->bstrerror());
304 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
306 set_jcr_job_status(jcr, JS_ErrorTerminated);
309 if (dev->VolCatInfo.VolCatName[0] == 0) {
310 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
311 Dmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
317 discard_data_spool(dcr);
319 /* Note: if commit is OK, the device will remain blocked */
320 commit_data_spool(dcr);
324 ok = dvd_close_job(dcr); /* do DVD cleanup if any */
328 * Release the device -- and send final Vol info to DIR
333 if (!ok || jcr->is_job_canceled()) {
334 discard_attribute_spool(jcr);
336 commit_attribute_spool(jcr);
339 dir_send_job_status(jcr); /* update director */
341 Dmsg1(100, "return from do_append_data() ok=%d\n", ok);