2 * Append code for Storage daemon
8 Copyright (C) 2000-2005 Kern Sibbald
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License
12 version 2 as amended with additional clauses defined in the
13 file LICENSE in the main source directory.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 the file LICENSE for additional details.
26 /* Responses sent to the File daemon */
27 static char OK_data[] = "3000 OK data\n";
29 /* Forward referenced functions */
32 * Append Data sent from File daemon
35 bool do_append_data(JCR *jcr)
38 int32_t file_index, stream, last_file_index;
40 BSOCK *fd_sock = jcr->file_bsock;
44 DEVICE *dev = dcr->dev;
47 Dmsg0(100, "Start append data.\n");
49 memset(&rec, 0, sizeof(rec));
53 if (!bnet_set_buffer_size(ds, dcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
54 set_jcr_job_status(jcr, JS_ErrorTerminated);
55 Jmsg(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
59 if (!acquire_device_for_append(dcr)) {
60 set_jcr_job_status(jcr, JS_ErrorTerminated);
64 set_jcr_job_status(jcr, JS_Running);
65 dir_send_job_status(jcr);
67 if (dev->VolCatInfo.VolCatName[0] == 0) {
68 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
70 Dmsg1(20, "Begin append device=%s\n", dev->print_name());
72 begin_data_spool(dcr);
73 begin_attribute_spool(jcr);
75 Dmsg0(100, "Just after acquire_device_for_append\n");
76 if (dev->VolCatInfo.VolCatName[0] == 0) {
77 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
80 * Write Begin Session Record
82 if (!write_session_label(dcr, SOS_LABEL)) {
83 Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
85 set_jcr_job_status(jcr, JS_ErrorTerminated);
88 if (dev->VolCatInfo.VolCatName[0] == 0) {
89 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
92 /* Tell File daemon to send data */
93 if (!bnet_fsend(fd_sock, OK_data)) {
95 Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
96 be.strerror(fd_sock->b_errno));
101 * Get Data from File daemon, write to device. To clarify what is
102 * going on here. We expect:
104 * - Multiple records of data
107 * The Stream header is just used to sychronize things, and
108 * none of the stream header is written to tape.
109 * The Multiple records of data, contain first the Attributes,
110 * then after another stream header, the file data, then
111 * after another stream header, the MD5 data if any.
113 * So we get the (stream header, data, EOD) three time for each
114 * file. 1. for the Attributes, 2. for the file data if any,
115 * and 3. for the MD5 if any.
117 dcr->VolFirstIndex = dcr->VolLastIndex = 0;
118 jcr->run_time = time(NULL); /* start counting time for rates */
119 for (last_file_index = 0; ok && !job_canceled(jcr); ) {
121 /* Read Stream header from the File daemon.
122 * The stream header consists of the following:
123 * file_index (sequential Bacula file index, base 1)
124 * stream (Bacula number to distinguish parts of data)
125 * info (Info for Storage daemon -- compressed, encryped, ...)
126 * info is not currently used, so is read, but ignored!
128 if ((n=bget_msg(ds)) <= 0) {
129 if (n == BNET_SIGNAL && ds->msglen == BNET_EOD) {
130 break; /* end of data */
132 Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
139 * This hand scanning is a bit more complicated than a simple
140 * sscanf, but it allows us to handle any size integer up to
141 * int64_t without worrying about whether %d, %ld, %lld, or %q
142 * is the correct format for each different architecture.
143 * It is a real pity that sscanf() is not portable.
146 while (B_ISSPACE(*p)) {
149 file_index = (int32_t)str_to_int64(p);
150 while (B_ISDIGIT(*p)) {
153 if (!B_ISSPACE(*p) || !B_ISDIGIT(*(p+1))) {
154 Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), ds->msg);
158 stream = (int32_t)str_to_int64(p);
160 Dmsg2(890, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);
162 if (!(file_index > 0 && (file_index == last_file_index ||
163 file_index == last_file_index + 1))) {
164 Jmsg0(jcr, M_FATAL, 0, _("File index from FD not positive or sequential\n"));
168 if (file_index != last_file_index) {
169 jcr->JobFiles = file_index;
170 last_file_index = file_index;
173 /* Read data stream from the File daemon.
174 * The data stream is just raw bytes
176 while ((n=bget_msg(ds)) > 0 && !job_canceled(jcr)) {
177 rec.VolSessionId = jcr->VolSessionId;
178 rec.VolSessionTime = jcr->VolSessionTime;
179 rec.FileIndex = file_index;
181 rec.data_len = ds->msglen;
182 rec.data = ds->msg; /* use message buffer */
184 Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
185 rec.FileIndex, rec.VolSessionId, stream_to_ascii(rec.Stream,rec.FileIndex),
188 while (!write_record_to_block(dcr->block, &rec)) {
189 Dmsg2(850, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
191 if (!write_block_to_device(dcr)) {
192 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
193 dev->print_name(), strerror_dev(dev));
194 Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
195 dev->print_name(), strerror_dev(dev));
201 Dmsg0(400, "Not OK\n");
204 jcr->JobBytes += rec.data_len; /* increment bytes this job */
205 Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
206 FI_to_ascii(rec.FileIndex), rec.VolSessionId,
207 stream_to_ascii(rec.Stream, rec.FileIndex), rec.data_len);
209 /* Send attributes and MD5 to Director for Catalog */
210 if (stream == STREAM_UNIX_ATTRIBUTES || stream == STREAM_MD5_SIGNATURE ||
211 stream == STREAM_UNIX_ATTRIBUTES_EX || stream == STREAM_SHA1_SIGNATURE) {
212 if (!jcr->no_attributes) {
213 if (are_attributes_spooled(jcr)) {
214 jcr->dir_bsock->spool = true;
216 Dmsg0(850, "Send attributes to dir.\n");
217 if (!dir_update_file_attributes(dcr, &rec)) {
218 jcr->dir_bsock->spool = false;
219 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
220 bnet_strerror(jcr->dir_bsock));
224 jcr->dir_bsock->spool = false;
227 Dmsg0(650, "Enter bnet_get\n");
229 Dmsg1(650, "End read loop with FD. Stat=%d\n", n);
230 if (is_bnet_error(ds)) {
231 Dmsg1(350, "Network read error from FD. ERR=%s\n", bnet_strerror(ds));
232 Jmsg1(jcr, M_FATAL, 0, _("Network error on data channel. ERR=%s\n"),
239 /* Create Job status for end of session label */
240 set_jcr_job_status(jcr, ok?JS_Terminated:JS_ErrorTerminated);
242 Dmsg1(200, "Write session label JobStatus=%d\n", jcr->JobStatus);
243 if ((!ok || job_canceled(jcr)) && dev->VolCatInfo.VolCatName[0] == 0) {
244 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
248 * If !OK, check if we can still write. This may not be the case
249 * if we are at the end of the tape or we got a fatal I/O error.
251 if (ok || dev->can_write()) {
252 if (!write_session_label(dcr, EOS_LABEL)) {
253 Jmsg1(jcr, M_FATAL, 0, _("Error writting end session label. ERR=%s\n"),
255 set_jcr_job_status(jcr, JS_ErrorTerminated);
258 if (dev->VolCatInfo.VolCatName[0] == 0) {
259 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
261 Dmsg0(90, "back from write_end_session_label()\n");
262 /* Flush out final partial block of this session */
263 if (!write_block_to_device(dcr)) {
264 Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
265 dev->print_name(), strerror_dev(dev));
266 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
270 if (dev->VolCatInfo.VolCatName[0] == 0) {
271 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
275 discard_data_spool(dcr);
277 commit_data_spool(dcr);
281 ok = dvd_close_job(dcr); /* do DVD cleanup if any */
284 /* Release the device -- and send final Vol info to DIR */
287 if (!ok || job_canceled(jcr)) {
288 discard_attribute_spool(jcr);
290 commit_attribute_spool(jcr);
293 dir_send_job_status(jcr); /* update director */
295 Dmsg1(100, "return from do_append_data() ok=%d\n", ok);