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 bnet_fsend(fd_sock, OK_data);
103 * Get Data from File daemon, write to device. To clarify what is
104 * going on here. We expect:
106 * - Multiple records of data
109 * The Stream header is just used to sychronize things, and
110 * none of the stream header is written to tape.
111 * The Multiple records of data, contain first the Attributes,
112 * then after another stream header, the file data, then
113 * after another stream header, the MD5 data if any.
115 * So we get the (stream header, data, EOD) three time for each
116 * file. 1. for the Attributes, 2. for the file data if any,
117 * and 3. for the MD5 if any.
119 dcr->VolFirstIndex = dcr->VolLastIndex = 0;
120 jcr->run_time = time(NULL); /* start counting time for rates */
121 for (last_file_index = 0; ok && !job_canceled(jcr); ) {
123 /* Read Stream header from the File daemon.
124 * The stream header consists of the following:
125 * file_index (sequential Bacula file index, base 1)
126 * stream (Bacula number to distinguish parts of data)
127 * info (Info for Storage daemon -- compressed, encryped, ...)
128 * info is not currently used, so is read, but ignored!
130 if ((n=bget_msg(ds)) <= 0) {
131 if (n == BNET_SIGNAL && ds->msglen == BNET_EOD) {
132 break; /* end of data */
134 Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
141 * This hand scanning is a bit more complicated than a simple
142 * sscanf, but it allows us to handle any size integer up to
143 * int64_t without worrying about whether %d, %ld, %lld, or %q
144 * is the correct format for each different architecture.
145 * It is a real pity that sscanf() is not portable.
148 while (B_ISSPACE(*p)) {
151 file_index = (int32_t)str_to_int64(p);
152 while (B_ISDIGIT(*p)) {
155 if (!B_ISSPACE(*p) || !B_ISDIGIT(*(p+1))) {
156 Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), ds->msg);
160 stream = (int32_t)str_to_int64(p);
162 Dmsg2(490, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);
164 if (!(file_index > 0 && (file_index == last_file_index ||
165 file_index == last_file_index + 1))) {
166 Jmsg0(jcr, M_FATAL, 0, _("File index from FD not positive or sequential\n"));
170 if (file_index != last_file_index) {
171 jcr->JobFiles = file_index;
172 last_file_index = file_index;
175 /* Read data stream from the File daemon.
176 * The data stream is just raw bytes
178 while ((n=bget_msg(ds)) > 0 && !job_canceled(jcr)) {
179 rec.VolSessionId = jcr->VolSessionId;
180 rec.VolSessionTime = jcr->VolSessionTime;
181 rec.FileIndex = file_index;
183 rec.data_len = ds->msglen;
184 rec.data = ds->msg; /* use message buffer */
186 Dmsg4(450, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
187 rec.FileIndex, rec.VolSessionId, stream_to_ascii(rec.Stream,rec.FileIndex),
190 while (!write_record_to_block(dcr->block, &rec)) {
191 Dmsg2(650, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
193 if (!write_block_to_device(dcr)) {
194 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
195 dev_name(dev), strerror_dev(dev));
196 Jmsg(jcr, M_FATAL, 0, _("Fatal device error: ERR=%s\n"),
203 Dmsg0(400, "Not OK\n");
206 jcr->JobBytes += rec.data_len; /* increment bytes this job */
207 Dmsg4(350, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
208 FI_to_ascii(rec.FileIndex), rec.VolSessionId,
209 stream_to_ascii(rec.Stream, rec.FileIndex), rec.data_len);
211 /* Send attributes and MD5 to Director for Catalog */
212 if (stream == STREAM_UNIX_ATTRIBUTES || stream == STREAM_MD5_SIGNATURE ||
213 stream == STREAM_UNIX_ATTRIBUTES_EX || stream == STREAM_SHA1_SIGNATURE) {
214 if (!jcr->no_attributes) {
215 if (are_attributes_spooled(jcr)) {
216 jcr->dir_bsock->spool = true;
218 Dmsg0(350, "Send attributes.\n");
219 if (!dir_update_file_attributes(dcr, &rec)) {
220 jcr->dir_bsock->spool = false;
221 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
222 bnet_strerror(jcr->dir_bsock));
226 jcr->dir_bsock->spool = false;
230 if (is_bnet_error(ds)) {
231 Jmsg1(jcr, M_FATAL, 0, _("Network error on data channel. ERR=%s\n"),
238 /* Create Job status for end of session label */
239 set_jcr_job_status(jcr, ok?JS_Terminated:JS_ErrorTerminated);
241 Dmsg1(200, "Write session label JobStatus=%d\n", jcr->JobStatus);
242 if (dev->VolCatInfo.VolCatName[0] == 0) {
243 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
247 * If !OK, check if we can still write. This may not be the case
248 * if we are at the end of the tape or we got a fatal I/O error.
250 if (ok || dev_can_write(dev)) {
251 if (!write_session_label(dcr, EOS_LABEL)) {
252 Jmsg1(jcr, M_FATAL, 0, _("Error writting end session label. ERR=%s\n"),
254 set_jcr_job_status(jcr, JS_ErrorTerminated);
257 if (dev->VolCatInfo.VolCatName[0] == 0) {
258 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
260 Dmsg0(90, "back from write_end_session_label()\n");
261 /* Flush out final partial block of this session */
262 if (!write_block_to_device(dcr)) {
263 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
264 set_jcr_job_status(jcr, JS_ErrorTerminated);
268 if (dev->VolCatInfo.VolCatName[0] == 0) {
269 Dmsg0(000, "NULL Volume name. This shouldn't happen!!!\n");
273 discard_data_spool(jcr);
275 commit_data_spool(jcr);
278 Dmsg1(200, "calling release device JobStatus=%d\n", jcr->JobStatus);
279 /* Release the device */
280 if (!release_device(jcr)) {
281 Pmsg0(000, _("Error in release_device\n"));
282 set_jcr_job_status(jcr, JS_ErrorTerminated);
287 discard_attribute_spool(jcr);
289 commit_attribute_spool(jcr);
292 dir_send_job_status(jcr); /* update director */
294 Dmsg1(100, "return from do_append_data() stat=%d\n", ok);