2 Bacula® - The Network Backup Solution
4 Copyright (C) 2006-2008 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 * SD -- mac.c -- responsible for doing
30 * migration, archive, and copy jobs.
32 * Kern Sibbald, January MMVI
40 /* Import functions */
41 extern char Job_end[];
43 /* Forward referenced subroutines */
44 static bool record_cb(DCR *dcr, DEV_RECORD *rec);
48 * Read Data and send to File Daemon
49 * Returns: false on failure
55 BSOCK *dir = jcr->dir_bsock;
60 switch(jcr->JobType) {
76 Dmsg0(20, "Start read data.\n");
78 if (!jcr->read_dcr || !jcr->dcr) {
79 Jmsg(jcr, M_FATAL, 0, _("Read and write devices not properly initialized.\n"));
82 Dmsg2(100, "read_dcr=%p write_dcr=%p\n", jcr->read_dcr, jcr->dcr);
85 create_restore_volume_list(jcr);
86 if (jcr->NumReadVolumes == 0) {
87 Jmsg(jcr, M_FATAL, 0, _("No Volume names found for %s.\n"), Type);
91 Dmsg3(200, "Found %d volumes names for %s. First=%s\n", jcr->NumReadVolumes,
92 jcr->VolList->VolumeName, Type);
94 /* Ready devices for reading and writing */
95 if (!acquire_device_for_read(jcr->read_dcr) ||
96 !acquire_device_for_append(jcr->dcr)) {
97 set_jcr_job_status(jcr, JS_ErrorTerminated);
101 Dmsg2(200, "===== After acquire pos %u:%u\n", jcr->dcr->dev->file, jcr->dcr->dev->block_num);
103 set_jcr_job_status(jcr, JS_Running);
104 dir_send_job_status(jcr);
106 begin_data_spool(jcr->dcr);
107 begin_attribute_spool(jcr);
109 jcr->dcr->VolFirstIndex = jcr->dcr->VolLastIndex = 0;
110 jcr->run_time = time(NULL);
111 set_start_vol_position(jcr->dcr);
113 ok = read_records(jcr->read_dcr, record_cb, mount_next_read_volume);
122 if (ok || dev->can_write()) {
123 /* Flush out final partial block of this session */
124 if (!write_block_to_device(jcr->dcr)) {
125 Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
126 dev->print_name(), dev->bstrerror());
127 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
130 Dmsg2(200, "Flush block to device pos %u:%u\n", dev->file, dev->block_num);
134 discard_data_spool(jcr->dcr);
136 /* Note: if commit is OK, the device will remain locked */
137 commit_data_spool(jcr->dcr);
140 if (ok && dev->is_dvd()) {
141 ok = dvd_close_job(jcr->dcr); /* do DVD cleanup if any */
143 /* Release the device -- and send final Vol info to DIR */
144 release_device(jcr->dcr);
146 if (!ok || job_canceled(jcr)) {
147 discard_attribute_spool(jcr);
149 commit_attribute_spool(jcr);
154 if (!release_device(jcr->read_dcr)) {
159 free_restore_volume_list(jcr);
161 dir_send_job_status(jcr); /* update director */
164 Dmsg0(30, "Done reading.\n");
165 jcr->end_time = time(NULL);
166 dequeue_messages(jcr); /* send any queued messages */
168 set_jcr_job_status(jcr, JS_Terminated);
170 generate_daemon_event(jcr, "JobEnd");
171 dir->fsend(Job_end, jcr->Job, jcr->JobStatus, jcr->JobFiles,
172 edit_uint64(jcr->JobBytes, ec1));
173 Dmsg4(200, Job_end, jcr->Job, jcr->JobStatus, jcr->JobFiles, ec1);
175 dir->signal(BNET_EOD); /* send EOD to Director daemon */
181 * Called here for each record from read_records()
182 * Returns: true if OK
185 static bool record_cb(DCR *dcr, DEV_RECORD *rec)
188 DEVICE *dev = jcr->dcr->dev;
189 char buf1[100], buf2[100];
192 /* If label and not for us, discard it */
193 if (rec->FileIndex < 0 && rec->match_stat <= 0) {
196 /* We want to write SOS_LABEL and EOS_LABEL discard all others */
197 switch (rec->FileIndex) {
202 return true; /* don't write vol labels */
205 * Modify record SessionId and SessionTime to correspond to
208 rec->VolSessionId = jcr->VolSessionId;
209 rec->VolSessionTime = jcr->VolSessionTime;
210 Dmsg5(200, "before write_rec JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
212 FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
213 stream_to_ascii(buf1, rec->Stream,rec->FileIndex), rec->data_len);
215 while (!write_record_to_block(jcr->dcr->block, rec)) {
216 Dmsg4(200, "!write_record_to_block blkpos=%u:%u len=%d rem=%d\n",
217 dev->file, dev->block_num, rec->data_len, rec->remainder);
218 if (!write_block_to_device(jcr->dcr)) {
219 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
220 dev->print_name(), dev->bstrerror());
221 Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
222 dev->print_name(), dev->bstrerror());
225 Dmsg2(200, "===== Wrote block new pos %u:%u\n", dev->file, dev->block_num);
227 jcr->JobBytes += rec->data_len; /* increment bytes this job */
228 if (rec->FileIndex > 0) {
229 jcr->JobFiles = rec->FileIndex;
231 return true; /* don't send LABELs to Dir */
233 Dmsg5(500, "wrote_record JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
235 FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
236 stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len);
238 /* Send attributes and digest to Director for Catalog */
239 stream = rec->Stream;
240 if (stream == STREAM_UNIX_ATTRIBUTES || stream == STREAM_UNIX_ATTRIBUTES_EX ||
241 crypto_digest_stream_type(stream) != CRYPTO_DIGEST_NONE) {
242 if (!jcr->no_attributes) {
243 BSOCK *dir = jcr->dir_bsock;
244 if (are_attributes_spooled(jcr)) {
247 Dmsg0(850, "Send attributes to dir.\n");
248 if (!dir_update_file_attributes(jcr->dcr, rec)) {
249 dir->clear_spooling();
250 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
254 dir->clear_spooling();