2 * Append code for Storage daemon
8 Copyright (C) 2000-2004 Kern Sibbald and John Walker
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2 of
13 the License, or (at your option) any later version.
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 GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public
21 License along with this program; if not, write to the Free
22 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
31 /* Responses sent to the File daemon */
32 static char OK_data[] = "3000 OK data\n";
34 /* Forward referenced functions */
37 * Append Data sent from File daemon
40 bool do_append_data(JCR *jcr)
43 int32_t file_index, stream, last_file_index;
45 BSOCK *fd_sock = jcr->file_bsock;
51 Dmsg0(10, "Start append data.\n");
55 if (!bnet_set_buffer_size(ds, jcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
56 set_jcr_job_status(jcr, JS_ErrorTerminated);
57 Jmsg(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
62 * Acquire output device for writing. Note, after acquiring a
63 * device, we MUST release it, which is done at the end of this
66 Dmsg0(100, "just before acquire_device\n");
67 if (!(dcr=acquire_device_for_append(jcr))) {
68 set_jcr_job_status(jcr, JS_ErrorTerminated);
72 memset(&rec, 0, sizeof(rec));
74 if (dev->VolCatInfo.VolCatName[0] == 0) {
75 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
77 Dmsg1(20, "Begin append device=%s\n", dev_name(dev));
79 begin_data_spool(jcr);
80 begin_attribute_spool(jcr);
82 Dmsg0(100, "Just after acquire_device_for_append\n");
83 if (dev->VolCatInfo.VolCatName[0] == 0) {
84 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
87 * Write Begin Session Record
89 if (!write_session_label(dcr, SOS_LABEL)) {
90 Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
92 set_jcr_job_status(jcr, JS_ErrorTerminated);
95 if (dev->VolCatInfo.VolCatName[0] == 0) {
96 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
99 /* Tell File daemon to send data */
100 if (!bnet_fsend(fd_sock, OK_data)) {
102 Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
103 be.strerror(fd_sock->b_errno));
108 * Get Data from File daemon, write to device. To clarify what is
109 * going on here. We expect:
111 * - Multiple records of data
114 * The Stream header is just used to sychronize things, and
115 * none of the stream header is written to tape.
116 * The Multiple records of data, contain first the Attributes,
117 * then after another stream header, the file data, then
118 * after another stream header, the MD5 data if any.
120 * So we get the (stream header, data, EOD) three time for each
121 * file. 1. for the Attributes, 2. for the file data if any,
122 * and 3. for the MD5 if any.
124 dcr->VolFirstIndex = dcr->VolLastIndex = 0;
125 jcr->run_time = time(NULL); /* start counting time for rates */
126 for (last_file_index = 0; ok && !job_canceled(jcr); ) {
128 /* Read Stream header from the File daemon.
129 * The stream header consists of the following:
130 * file_index (sequential Bacula file index, base 1)
131 * stream (Bacula number to distinguish parts of data)
132 * info (Info for Storage daemon -- compressed, encryped, ...)
133 * info is not currently used, so is read, but ignored!
135 if ((n=bget_msg(ds)) <= 0) {
136 if (n == BNET_SIGNAL && ds->msglen == BNET_EOD) {
137 break; /* end of data */
139 Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
146 * This hand scanning is a bit more complicated than a simple
147 * sscanf, but it allows us to handle any size integer up to
148 * int64_t without worrying about whether %d, %ld, %lld, or %q
149 * is the correct format for each different architecture.
150 * It is a real pity that sscanf() is not portable.
153 while (B_ISSPACE(*p)) {
156 file_index = (int32_t)str_to_int64(p);
157 while (B_ISDIGIT(*p)) {
160 if (!B_ISSPACE(*p) || !B_ISDIGIT(*(p+1))) {
161 Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), ds->msg);
165 stream = (int32_t)str_to_int64(p);
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(ds)) > 0 && !job_canceled(jcr)) {
184 rec.VolSessionId = jcr->VolSessionId;
185 rec.VolSessionTime = jcr->VolSessionTime;
186 rec.FileIndex = file_index;
188 rec.data_len = ds->msglen;
189 rec.data = ds->msg; /* use message buffer */
191 Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
192 rec.FileIndex, rec.VolSessionId, stream_to_ascii(rec.Stream,rec.FileIndex),
195 while (!write_record_to_block(dcr->block, &rec)) {
196 Dmsg2(850, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
198 if (!write_block_to_device(dcr)) {
199 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
200 dev_name(dev), strerror_dev(dev));
201 Jmsg(jcr, M_FATAL, 0, _("Fatal device error: ERR=%s\n"),
208 Dmsg0(400, "Not OK\n");
211 jcr->JobBytes += rec.data_len; /* increment bytes this job */
212 Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
213 FI_to_ascii(rec.FileIndex), rec.VolSessionId,
214 stream_to_ascii(rec.Stream, rec.FileIndex), rec.data_len);
216 /* Send attributes and MD5 to Director for Catalog */
217 if (stream == STREAM_UNIX_ATTRIBUTES || stream == STREAM_MD5_SIGNATURE ||
218 stream == STREAM_UNIX_ATTRIBUTES_EX || stream == STREAM_SHA1_SIGNATURE) {
219 if (!jcr->no_attributes) {
220 if (are_attributes_spooled(jcr)) {
221 jcr->dir_bsock->spool = true;
223 Dmsg0(850, "Send attributes to dir.\n");
224 if (!dir_update_file_attributes(dcr, &rec)) {
225 jcr->dir_bsock->spool = false;
226 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
227 bnet_strerror(jcr->dir_bsock));
231 jcr->dir_bsock->spool = false;
234 Dmsg0(350, "Enter bnet_get\n");
236 Dmsg1(350, "End read loop with FD. Stat=%d\n", n);
237 if (is_bnet_error(ds)) {
238 Dmsg1(350, "Network read error from FD. ERR=%s\n", bnet_strerror(ds));
239 Jmsg1(jcr, M_FATAL, 0, _("Network error on data channel. ERR=%s\n"),
246 /* Create Job status for end of session label */
247 set_jcr_job_status(jcr, ok?JS_Terminated:JS_ErrorTerminated);
249 Dmsg1(200, "Write session label JobStatus=%d\n", jcr->JobStatus);
250 if (dev->VolCatInfo.VolCatName[0] == 0) {
251 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
255 * If !OK, check if we can still write. This may not be the case
256 * if we are at the end of the tape or we got a fatal I/O error.
258 if (ok || dev_can_write(dev)) {
259 if (!write_session_label(dcr, EOS_LABEL)) {
260 Jmsg1(jcr, M_FATAL, 0, _("Error writting end session label. ERR=%s\n"),
262 set_jcr_job_status(jcr, JS_ErrorTerminated);
265 if (dev->VolCatInfo.VolCatName[0] == 0) {
266 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
268 Dmsg0(90, "back from write_end_session_label()\n");
269 /* Flush out final partial block of this session */
270 if (!write_block_to_device(dcr)) {
271 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
272 set_jcr_job_status(jcr, JS_ErrorTerminated);
276 if (dev->VolCatInfo.VolCatName[0] == 0) {
277 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
281 discard_data_spool(jcr);
283 commit_data_spool(jcr);
286 Dmsg1(200, "calling release device JobStatus=%d\n", jcr->JobStatus);
287 /* Release the device */
288 if (!release_device(jcr)) {
289 Pmsg0(000, _("Error in release_device\n"));
290 set_jcr_job_status(jcr, JS_ErrorTerminated);
295 discard_attribute_spool(jcr);
297 commit_attribute_spool(jcr);
300 dir_send_job_status(jcr); /* update director */
302 Dmsg1(100, "return from do_append_data() stat=%d\n", ok);