2 * Append code for Storage daemon
8 Copyright (C) 2000-2006 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;
43 char buf1[100], buf2[100];
50 Jmsg0(jcr, M_FATAL, 0, _("DCR is NULL!!!\n"));
55 Jmsg0(jcr, M_FATAL, 0, _("DEVICE is NULL!!!\n"));
59 Dmsg1(100, "Start append data. res=%d\n", dev->reserved_device);
61 memset(&rec, 0, sizeof(rec));
65 if (!bnet_set_buffer_size(ds, dcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
66 set_jcr_job_status(jcr, JS_ErrorTerminated);
67 Jmsg0(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
71 if (!acquire_device_for_append(dcr)) {
72 set_jcr_job_status(jcr, JS_ErrorTerminated);
77 set_jcr_job_status(jcr, JS_Running);
78 dir_send_job_status(jcr);
80 if (dev->VolCatInfo.VolCatName[0] == 0) {
81 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
83 Dmsg1(50, "Begin append device=%s\n", dev->print_name());
85 begin_data_spool(dcr);
86 begin_attribute_spool(jcr);
88 Dmsg0(100, "Just after acquire_device_for_append\n");
89 if (dev->VolCatInfo.VolCatName[0] == 0) {
90 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
93 * Write Begin Session Record
95 if (!write_session_label(dcr, SOS_LABEL)) {
96 Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
98 set_jcr_job_status(jcr, JS_ErrorTerminated);
101 if (dev->VolCatInfo.VolCatName[0] == 0) {
102 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
105 /* Tell File daemon to send data */
106 if (!bnet_fsend(fd_sock, OK_data)) {
108 Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
109 be.strerror(fd_sock->b_errno));
114 * Get Data from File daemon, write to device. To clarify what is
115 * going on here. We expect:
117 * - Multiple records of data
120 * The Stream header is just used to sychronize things, and
121 * none of the stream header is written to tape.
122 * The Multiple records of data, contain first the Attributes,
123 * then after another stream header, the file data, then
124 * after another stream header, the MD5 data if any.
126 * So we get the (stream header, data, EOD) three time for each
127 * file. 1. for the Attributes, 2. for the file data if any,
128 * and 3. for the MD5 if any.
130 dcr->VolFirstIndex = dcr->VolLastIndex = 0;
131 jcr->run_time = time(NULL); /* start counting time for rates */
132 for (last_file_index = 0; ok && !job_canceled(jcr); ) {
134 /* Read Stream header from the File daemon.
135 * The stream header consists of the following:
136 * file_index (sequential Bacula file index, base 1)
137 * stream (Bacula number to distinguish parts of data)
138 * info (Info for Storage daemon -- compressed, encryped, ...)
139 * info is not currently used, so is read, but ignored!
141 if ((n=bget_msg(ds)) <= 0) {
142 if (n == BNET_SIGNAL && ds->msglen == BNET_EOD) {
143 break; /* end of data */
145 Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
152 * This hand scanning is a bit more complicated than a simple
153 * sscanf, but it allows us to handle any size integer up to
154 * int64_t without worrying about whether %d, %ld, %lld, or %q
155 * is the correct format for each different architecture.
156 * It is a real pity that sscanf() is not portable.
159 while (B_ISSPACE(*p)) {
162 file_index = (int32_t)str_to_int64(p);
163 while (B_ISDIGIT(*p)) {
166 if (!B_ISSPACE(*p) || !B_ISDIGIT(*(p+1))) {
167 Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), ds->msg);
171 stream = (int32_t)str_to_int64(p);
173 Dmsg2(890, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);
175 if (!(file_index > 0 && (file_index == last_file_index ||
176 file_index == last_file_index + 1))) {
177 Jmsg0(jcr, M_FATAL, 0, _("File index from FD not positive or sequential\n"));
181 if (file_index != last_file_index) {
182 jcr->JobFiles = file_index;
183 last_file_index = file_index;
186 /* Read data stream from the File daemon.
187 * The data stream is just raw bytes
189 while ((n=bget_msg(ds)) > 0 && !job_canceled(jcr)) {
190 rec.VolSessionId = jcr->VolSessionId;
191 rec.VolSessionTime = jcr->VolSessionTime;
192 rec.FileIndex = file_index;
194 rec.data_len = ds->msglen;
195 rec.data = ds->msg; /* use message buffer */
197 Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
198 rec.FileIndex, rec.VolSessionId,
199 stream_to_ascii(buf1, rec.Stream,rec.FileIndex),
202 while (!write_record_to_block(dcr->block, &rec)) {
203 Dmsg2(850, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
205 if (!write_block_to_device(dcr)) {
206 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
207 dev->print_name(), dev->bstrerror());
213 Dmsg0(400, "Not OK\n");
216 jcr->JobBytes += rec.data_len; /* increment bytes this job */
217 Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
218 FI_to_ascii(buf1, rec.FileIndex), rec.VolSessionId,
219 stream_to_ascii(buf2, rec.Stream, rec.FileIndex), rec.data_len);
221 /* Send attributes and digest to Director for Catalog */
222 if (stream == STREAM_UNIX_ATTRIBUTES || stream == STREAM_UNIX_ATTRIBUTES_EX ||
223 crypto_digest_stream_type(stream) != CRYPTO_DIGEST_NONE) {
224 if (!jcr->no_attributes) {
225 if (are_attributes_spooled(jcr)) {
226 jcr->dir_bsock->spool = true;
228 Dmsg0(850, "Send attributes to dir.\n");
229 if (!dir_update_file_attributes(dcr, &rec)) {
230 jcr->dir_bsock->spool = false;
231 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
232 bnet_strerror(jcr->dir_bsock));
236 jcr->dir_bsock->spool = false;
239 Dmsg0(650, "Enter bnet_get\n");
241 Dmsg1(650, "End read loop with FD. Stat=%d\n", n);
243 if (is_bnet_error(ds)) {
244 Dmsg1(350, "Network read error from FD. ERR=%s\n", bnet_strerror(ds));
245 Jmsg1(jcr, M_FATAL, 0, _("Network error on data channel. ERR=%s\n"),
252 time_t job_elapsed = time(NULL) - jcr->run_time;
254 if (job_elapsed <= 0) {
258 Jmsg(dcr->jcr, M_INFO, 0, _("Job write elapsed time = %02d:%02d:%02d, Transfer rate = %s bytes/second\n"),
259 job_elapsed / 3600, job_elapsed % 3600 / 60, job_elapsed % 60,
260 edit_uint64_with_suffix(jcr->JobBytes / job_elapsed, ec));
262 /* Create Job status for end of session label */
263 set_jcr_job_status(jcr, ok?JS_Terminated:JS_ErrorTerminated);
265 Dmsg1(200, "Write EOS label JobStatus=%c\n", jcr->JobStatus);
268 * If !OK, check if we can still write. This may not be the case
269 * if we are at the end of the tape or we got a fatal I/O error.
271 if (ok || dev->can_write()) {
272 if (!write_session_label(dcr, EOS_LABEL)) {
273 Jmsg1(jcr, M_FATAL, 0, _("Error writting end session label. ERR=%s\n"),
275 set_jcr_job_status(jcr, JS_ErrorTerminated);
278 if (dev->VolCatInfo.VolCatName[0] == 0) {
279 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
281 Dmsg0(90, "back from write_end_session_label()\n");
282 /* Flush out final partial block of this session */
283 if (!write_block_to_device(dcr)) {
284 Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
285 dev->print_name(), dev->bstrerror());
286 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
290 if (dev->VolCatInfo.VolCatName[0] == 0) {
291 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
295 discard_data_spool(dcr);
297 commit_data_spool(dcr);
301 ok = dvd_close_job(dcr); /* do DVD cleanup if any */
304 /* Release the device -- and send final Vol info to DIR */
307 if (!ok || job_canceled(jcr)) {
308 discard_attribute_spool(jcr);
310 commit_attribute_spool(jcr);
313 dir_send_job_status(jcr); /* update director */
315 Dmsg1(100, "return from do_append_data() ok=%d\n", ok);