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;
52 Dmsg0(10, "Start append data.\n");
56 if (!bnet_set_buffer_size(ds, jcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
57 set_jcr_job_status(jcr, JS_ErrorTerminated);
58 Jmsg(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
63 * Acquire output device for writing. Note, after acquiring a
64 * device, we MUST release it, which is done at the end of this
67 Dmsg0(100, "just before acquire_device\n");
68 if (!(dcr=acquire_device_for_append(jcr))) {
69 set_jcr_job_status(jcr, JS_ErrorTerminated);
74 memset(&rec, 0, sizeof(rec));
76 Dmsg1(20, "Begin append device=%s\n", dev_name(dev));
78 begin_data_spool(jcr);
79 begin_attribute_spool(jcr);
81 Dmsg0(100, "Just after acquire_device_for_append\n");
83 * Write Begin Session Record
85 if (!write_session_label(dcr, block, SOS_LABEL)) {
86 Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
88 set_jcr_job_status(jcr, JS_ErrorTerminated);
92 /* Tell File daemon to send data */
93 bnet_fsend(fd_sock, OK_data);
96 * Get Data from File daemon, write to device. To clarify what is
97 * going on here. We expect:
99 * - Multiple records of data
102 * The Stream header is just used to sychronize things, and
103 * none of the stream header is written to tape.
104 * The Multiple records of data, contain first the Attributes,
105 * then after another stream header, the file data, then
106 * after another stream header, the MD5 data if any.
108 * So we get the (stream header, data, EOD) three time for each
109 * file. 1. for the Attributes, 2. for the file data if any,
110 * and 3. for the MD5 if any.
112 dcr->VolFirstIndex = dcr->VolLastIndex = 0;
113 jcr->run_time = time(NULL); /* start counting time for rates */
114 for (last_file_index = 0; ok && !job_canceled(jcr); ) {
116 /* Read Stream header from the File daemon.
117 * The stream header consists of the following:
118 * file_index (sequential Bacula file index, base 1)
119 * stream (Bacula number to distinguish parts of data)
120 * info (Info for Storage daemon -- compressed, encryped, ...)
121 * info is not currently used, so is read, but ignored!
123 if ((n=bget_msg(ds)) <= 0) {
124 if (n == BNET_SIGNAL && ds->msglen == BNET_EOD) {
125 break; /* end of data */
127 Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
134 * This hand scanning is a bit more complicated than a simple
135 * sscanf, but it allows us to handle any size integer up to
136 * int64_t without worrying about whether %d, %ld, %lld, or %q
137 * is the correct format for each different architecture.
138 * It is a real pity that sscanf() is not portable.
141 while (B_ISSPACE(*p)) {
144 file_index = (int32_t)str_to_int64(p);
145 while (B_ISDIGIT(*p)) {
148 if (!B_ISSPACE(*p) || !B_ISDIGIT(*(p+1))) {
149 Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), ds->msg);
153 stream = (int32_t)str_to_int64(p);
155 Dmsg2(190, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);
157 if (!(file_index > 0 && (file_index == last_file_index ||
158 file_index == last_file_index + 1))) {
159 Jmsg0(jcr, M_FATAL, 0, _("File index from FD not positive or sequential\n"));
163 if (file_index != last_file_index) {
164 jcr->JobFiles = file_index;
165 last_file_index = file_index;
168 /* Read data stream from the File daemon.
169 * The data stream is just raw bytes
171 while ((n=bget_msg(ds)) > 0 && !job_canceled(jcr)) {
172 rec.VolSessionId = jcr->VolSessionId;
173 rec.VolSessionTime = jcr->VolSessionTime;
174 rec.FileIndex = file_index;
176 rec.data_len = ds->msglen;
177 rec.data = ds->msg; /* use message buffer */
179 Dmsg4(250, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
180 rec.FileIndex, rec.VolSessionId, stream_to_ascii(rec.Stream,rec.FileIndex),
183 while (!write_record_to_block(block, &rec)) {
184 Dmsg2(150, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
186 if (!write_block_to_device(jcr->dcr, block)) {
187 Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
188 dev_name(dev), strerror_dev(dev));
189 Jmsg(jcr, M_FATAL, 0, _("Fatal device error: ERR=%s\n"),
196 Dmsg0(400, "Not OK\n");
199 jcr->JobBytes += rec.data_len; /* increment bytes this job */
200 Dmsg4(200, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
201 FI_to_ascii(rec.FileIndex), rec.VolSessionId,
202 stream_to_ascii(rec.Stream, rec.FileIndex), rec.data_len);
204 /* Send attributes and MD5 to Director for Catalog */
205 if (stream == STREAM_UNIX_ATTRIBUTES || stream == STREAM_MD5_SIGNATURE ||
206 stream == STREAM_UNIX_ATTRIBUTES_EX || stream == STREAM_SHA1_SIGNATURE) {
207 if (!jcr->no_attributes) {
208 if (are_attributes_spooled(jcr)) {
209 jcr->dir_bsock->spool = true;
211 Dmsg0(200, "Send attributes.\n");
212 if (!dir_update_file_attributes(dcr, &rec)) {
213 jcr->dir_bsock->spool = false;
214 Jmsg(jcr, M_FATAL, 0, _("Error updating file attributes. ERR=%s\n"),
215 bnet_strerror(jcr->dir_bsock));
219 jcr->dir_bsock->spool = false;
223 if (is_bnet_error(ds)) {
224 Jmsg1(jcr, M_FATAL, 0, _("Network error on data channel. ERR=%s\n"),
231 /* Create Job status for end of session label */
232 set_jcr_job_status(jcr, ok?JS_Terminated:JS_ErrorTerminated);
234 Dmsg1(200, "Write session label JobStatus=%d\n", jcr->JobStatus);
237 * If !OK, check if we can still write. This may not be the case
238 * if we are at the end of the tape or we got a fatal I/O error.
240 if (ok || dev_can_write(dev)) {
241 if (!write_session_label(dcr, block, EOS_LABEL)) {
242 Jmsg1(jcr, M_FATAL, 0, _("Error writting end session label. ERR=%s\n"),
244 set_jcr_job_status(jcr, JS_ErrorTerminated);
247 Dmsg0(90, "back from write_end_session_label()\n");
248 /* Flush out final partial block of this session */
249 if (!write_block_to_device(dcr, block)) {
250 Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
251 set_jcr_job_status(jcr, JS_ErrorTerminated);
257 discard_data_spool(jcr);
259 commit_data_spool(jcr);
262 Dmsg1(200, "calling release device JobStatus=%d\n", jcr->JobStatus);
263 /* Release the device */
264 if (!release_device(jcr)) {
265 Pmsg0(000, _("Error in release_device\n"));
266 set_jcr_job_status(jcr, JS_ErrorTerminated);
271 discard_attribute_spool(jcr);
273 commit_attribute_spool(jcr);
276 dir_send_job_status(jcr); /* update director */
278 Dmsg1(100, "return from do_append_data() stat=%d\n", ok);