2 * Subroutines to handle Catalog reqests sent to the Director
3 * Reqests/commands from the Director are handled in dircmd.c
5 * Kern Sibbald, December 2000
10 Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License as
14 published by the Free Software Foundation; either version 2 of
15 the License, or (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU General Public
23 License along with this program; if not, write to the Free
24 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
29 #include "bacula.h" /* pull in global headers */
30 #include "stored.h" /* pull in Storage Deamon headers */
32 /* Requests sent to the Director */
33 static char Find_media[] = "CatReq Job=%s FindMedia=%d\n";
34 static char Get_Vol_Info[] = "CatReq Job=%s GetVolInfo VolName=%s write=%d\n";
36 static char Update_media[] = "CatReq Job=%s UpdateMedia VolName=%s\
37 VolJobs=%d VolFiles=%d VolBlocks=%d VolBytes=%" lld " VolMounts=%d\
38 VolErrors=%d VolWrites=%d VolMaxBytes=%" lld " EndTime=%d VolStatus=%s\
39 Slot=%d relabel=%d\n";
41 static char Create_job_media[] = "CatReq Job=%s CreateJobMedia \
42 FirstIndex=%d LastIndex=%d StartFile=%d EndFile=%d \
43 StartBlock=%d EndBlock=%d\n";
46 static char FileAttributes[] = "UpdCat Job=%s FileAttributes ";
48 static char Job_status[] = "3012 Job %s jobstatus %d\n";
51 /* Responses received from the Director */
52 static char OK_media[] = "1000 OK VolName=%127s VolJobs=%d VolFiles=%d\
53 VolBlocks=%d VolBytes=%" lld " VolMounts=%d VolErrors=%d VolWrites=%d\
54 VolMaxBytes=%" lld " VolCapacityBytes=%" lld " VolStatus=%20s\
57 static char OK_update[] = "1000 OK UpdateMedia\n";
61 * Send current JobStatus to Director
63 int dir_send_job_status(JCR *jcr)
65 return bnet_fsend(jcr->dir_bsock, Job_status, jcr->Job, jcr->JobStatus);
70 * dir_get_volume_info()
72 * dir_find_next_appendable_volume()
74 static int do_request_volume_info(JCR *jcr)
76 BSOCK *dir = jcr->dir_bsock;
77 VOLUME_CAT_INFO *vol = &jcr->VolCatInfo;
79 jcr->VolumeName[0] = 0; /* No volume */
80 if (bnet_recv(dir) <= 0) {
81 Dmsg0(200, "getvolname error bnet_recv\n");
84 if (sscanf(dir->msg, OK_media, vol->VolCatName,
85 &vol->VolCatJobs, &vol->VolCatFiles,
86 &vol->VolCatBlocks, &vol->VolCatBytes,
87 &vol->VolCatMounts, &vol->VolCatErrors,
88 &vol->VolCatWrites, &vol->VolCatMaxBytes,
89 &vol->VolCatCapacityBytes, vol->VolCatStatus,
91 Dmsg1(200, "Bad response from Dir: %s\n", dir->msg);
94 unbash_spaces(vol->VolCatName);
95 strcpy(jcr->VolumeName, vol->VolCatName); /* set desired VolumeName */
97 Dmsg2(200, "do_reqest_vol_info got slot=%d Volume=%s\n",
98 vol->Slot, vol->VolCatName);
104 * Get Volume info for a specific volume from the Director's Database
106 * Returns: 1 on success (not Director guarantees that Pool and MediaType
107 * are correct and VolStatus==Append or
108 * VolStatus==Recycle)
111 * Volume information returned in jcr
113 int dir_get_volume_info(JCR *jcr, int writing)
115 BSOCK *dir = jcr->dir_bsock;
117 strcpy(jcr->VolCatInfo.VolCatName, jcr->VolumeName);
118 Dmsg1(200, "dir_get_volume_info=%s\n", jcr->VolCatInfo.VolCatName);
119 bash_spaces(jcr->VolCatInfo.VolCatName);
120 bnet_fsend(dir, Get_Vol_Info, jcr->Job, jcr->VolCatInfo.VolCatName, writing);
121 return do_request_volume_info(jcr);
127 * Get info on the next appendable volume in the Director's database
128 * Returns: 1 on success
131 * Volume information returned in jcr
134 int dir_find_next_appendable_volume(JCR *jcr)
136 BSOCK *dir = jcr->dir_bsock;
138 Dmsg0(200, "dir_find_next_appendable_volume\n");
139 bnet_fsend(dir, Find_media, jcr->Job, 1);
140 return do_request_volume_info(jcr);
145 * After writing a Volume, send the updated statistics
146 * back to the director.
148 int dir_update_volume_info(JCR *jcr, VOLUME_CAT_INFO *vol, int relabel)
150 BSOCK *dir = jcr->dir_bsock;
151 time_t EndTime = time(NULL);
153 if (vol->VolCatName[0] == 0) {
154 Jmsg0(jcr, M_ERROR, 0, _("NULL Volume name. This shouldn't happen!!!\n"));
157 bnet_fsend(dir, Update_media, jcr->Job,
158 vol->VolCatName, vol->VolCatJobs, vol->VolCatFiles,
159 vol->VolCatBlocks, vol->VolCatBytes,
160 vol->VolCatMounts, vol->VolCatErrors,
161 vol->VolCatWrites, vol->VolCatMaxBytes, EndTime,
162 vol->VolCatStatus, vol->Slot, relabel);
163 Dmsg1(120, "update_volume_data(): %s", dir->msg);
164 if (bnet_recv(dir) <= 0) {
165 Dmsg0(190, "updateVolCatInfo error bnet_recv\n");
168 Dmsg1(120, "Updatevol: %s", dir->msg);
169 if (strcmp(dir->msg, OK_update) != 0) {
170 Dmsg1(130, "Bad response from Dir: %s\n", dir->msg);
171 Jmsg(jcr, M_ERROR, 0, _("Error updating Volume Info: %s\n"), dir->msg);
178 * After writing a Volume, create the JobMedia record.
180 int dir_create_jobmedia_record(JCR *jcr)
182 BSOCK *dir = jcr->dir_bsock;
184 bnet_fsend(dir, Create_job_media, jcr->Job,
185 jcr->VolFirstFile, jcr->JobFiles,
186 jcr->start_file, jcr->end_file,
187 jcr->start_block, jcr->end_block);
188 Dmsg1(100, "create_jobmedia(): %s", dir->msg);
189 if (bnet_recv(dir) <= 0) {
190 Dmsg0(190, "create_jobmedia error bnet_recv\n");
193 Dmsg1(120, "Create_jobmedia: %s", dir->msg);
194 if (strcmp(dir->msg, OK_update) != 0) {
195 Dmsg1(130, "Bad response from Dir: %s\n", dir->msg);
196 Jmsg(jcr, M_ERROR, 0, _("Error creating JobMedia record: %s\n"), dir->msg);
204 * Update File Attribute data
206 int dir_update_file_attributes(JCR *jcr, DEV_RECORD *rec)
208 BSOCK *dir = jcr->dir_bsock;
211 dir->msglen = sprintf(dir->msg, FileAttributes, jcr->Job);
212 dir->msg = check_pool_memory_size(dir->msg, dir->msglen +
213 sizeof(DEV_RECORD) + rec->data_len);
214 ser_begin(dir->msg + dir->msglen, 0);
215 ser_uint32(rec->VolSessionId);
216 ser_uint32(rec->VolSessionTime);
217 ser_int32(rec->FileIndex);
218 ser_int32(rec->Stream);
219 ser_uint32(rec->data_len);
220 ser_bytes(rec->data, rec->data_len);
221 dir->msglen = ser_length(dir->msg);
222 return bnet_send(dir);
228 * Entered with device blocked.
229 * Leaves with device blocked.
231 * Returns: 1 on success (operator issues a mount command)
233 * Note, must create dev->errmsg on error return.
235 * On success, jcr->VolumeName and jcr->VolCatInfo contain
236 * information on suggested volume, but this may not be the
237 * same as what is actually mounted.
239 * When we return with success, the correct tape may or may not
240 * actually be mounted. The calling routine must read it and
243 int dir_ask_sysop_to_mount_next_volume(JCR *jcr, DEVICE *dev)
247 struct timespec timeout;
249 /* ******FIXME******* put these on config variable */
250 int min_wait = 60 * 60;
251 int max_wait = 24 * 60 * 60;
252 int max_num_wait = 9; /* 5 waits =~ 1 day, then 1 day at a time */
259 Dmsg0(130, "enter dir_ask_sysop_to_mount_next_volume\n");
260 ASSERT(dev->dev_blocked);
263 if (job_cancelled(jcr)) {
264 Mmsg(&dev->errmsg, _("Job %s cancelled while waiting for mount on Storage Device \"%s\".\n"),
265 jcr->Job, jcr->dev_name);
266 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
269 if (dir_find_next_appendable_volume(jcr)) { /* get suggested volume */
270 jstat = JS_WaitMount;
272 * If we have a valid volume name and we are not
273 * removable media, return now, otherwise wait
274 * for the operator to mount the media.
276 if (jcr->VolumeName[0] && !(dev->capabilities & CAP_REM) &&
277 dev->capabilities & CAP_LABEL) {
278 Dmsg0(190, "Return 1 from mount without wait.\n");
281 if (dev->capabilities & CAP_ANONVOLS) {
282 msg = "Suggest mounting";
284 msg = "Please mount";
286 Jmsg(jcr, M_MOUNT, 0, _(
287 "%s Volume \"%s\" on Storage Device \"%s\" for Job %s\n"
288 "Use \"mount\" command to release Job.\n"),
289 msg, jcr->VolumeName, jcr->dev_name, jcr->Job);
290 Dmsg3(190, "Mount %s on %s for Job %s\n",
291 jcr->VolumeName, jcr->dev_name, jcr->Job);
293 jstat = JS_WaitMedia;
294 Jmsg(jcr, M_MOUNT, 0, _(
295 "Job %s waiting. Cannot find any appendable volumes.\n\
296 Please use the \"label\" command to create a new Volume for:\n\
306 * Wait then send message again
308 gettimeofday(&tv, &tz);
309 timeout.tv_nsec = tv.tv_usec * 1000;
310 timeout.tv_sec = tv.tv_sec + wait_sec;
313 dev_blocked = dev->dev_blocked;
314 dev->dev_blocked = BST_WAITING_FOR_SYSOP; /* indicate waiting for mount */
315 jcr->JobStatus = jstat;
316 dir_send_job_status(jcr);
318 for ( ;!job_cancelled(jcr); ) {
319 Dmsg1(190, "I'm going to sleep on device %s\n", dev->dev_name);
320 stat = pthread_cond_timedwait(&dev->wait_next_vol, &dev->mutex, &timeout);
321 if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
325 * Someone other than us blocked the device (probably the
326 * user via the Console program.
327 * So, we continue waiting.
329 gettimeofday(&tv, &tz);
331 timeout.tv_sec = tv.tv_sec + 10; /* wait 10 seconds */
333 dev->dev_blocked = dev_blocked;
336 if (stat == ETIMEDOUT) {
337 wait_sec *= 2; /* double wait time */
338 if (wait_sec > max_wait) { /* but not longer than maxtime */
342 if (num_wait >= max_num_wait) {
343 Mmsg(&dev->errmsg, _("Gave up waiting to mount Storage Device \"%s\" for Job %s\n"),
344 jcr->dev_name, jcr->Job);
345 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
346 Dmsg1(190, "Gave up waiting on device %s\n", dev->dev_name);
347 return 0; /* exceeded maximum waits */
351 if (stat == EINVAL) {
352 Mmsg2(&dev->errmsg, _("pthread error in mount_next_volume stat=%d ERR=%s\n"),
353 stat, strerror(stat));
354 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
358 Jmsg(jcr, M_WARNING, 0, _("pthread error in mount_next_volume stat=%d ERR=%s\n"), stat,
361 Dmsg1(190, "Someone woke me for device %s\n", dev->dev_name);
363 /* Restart wait counters */
366 /* If no VolumeName, and cannot get one, try again */
367 if (jcr->VolumeName[0] == 0 &&
368 !dir_find_next_appendable_volume(jcr)) {
369 Jmsg(jcr, M_MOUNT, 0, _(
370 "Someone woke me up, but I cannot find any appendable\n\
371 volumes for Job=%s.\n"), jcr->Job);
376 jcr->JobStatus = JS_Running;
377 dir_send_job_status(jcr);
378 Dmsg0(130, "leave dir_ask_sysop_to_mount_next_volume\n");
384 * Entered with device blocked and jcr->VolumeName is desired
386 * Leaves with device blocked.
388 * Returns: 1 on success (operator issues a mount command)
390 * Note, must create dev->errmsg on error return.
393 int dir_ask_sysop_to_mount_volume(JCR *jcr, DEVICE *dev)
396 /* ******FIXME******* put these on config variable */
397 int min_wait = 60 * 60;
398 int max_wait = 24 * 60 * 60;
399 int max_num_wait = 9; /* 5 waits =~ 1 day, then 1 day at a time */
406 struct timespec timeout;
408 Dmsg0(130, "enter dir_ask_sysop_to_mount_next_volume\n");
409 if (!jcr->VolumeName[0]) {
410 Mmsg0(&dev->errmsg, _("Cannot request another volume: no volume name given.\n"));
413 ASSERT(dev->dev_blocked);
416 if (job_cancelled(jcr)) {
417 Mmsg(&dev->errmsg, _("Job %s cancelled while waiting for mount on Storage Device \"%s\".\n"),
418 jcr->Job, jcr->dev_name);
421 msg = _("Please mount");
422 Jmsg(jcr, M_MOUNT, 0, _("%s Volume \"%s\" on Storage Device \"%s\" for Job %s\n"),
423 msg, jcr->VolumeName, jcr->dev_name, jcr->Job);
424 Dmsg3(190, "Mount %s on %s for Job %s\n",
425 jcr->VolumeName, jcr->dev_name, jcr->Job);
428 * Wait then send message again
430 gettimeofday(&tv, &tz);
431 timeout.tv_nsec = tv.tv_usec * 1000;
432 timeout.tv_sec = tv.tv_sec + wait_sec;
435 dev_blocked = dev->dev_blocked;
436 dev->dev_blocked = BST_WAITING_FOR_SYSOP; /* indicate waiting for mount */
437 jcr->JobStatus = JS_WaitMount;
438 dir_send_job_status(jcr);
440 for ( ;!job_cancelled(jcr); ) {
441 Dmsg1(190, "I'm going to sleep on device %s\n", dev->dev_name);
442 stat = pthread_cond_timedwait(&dev->wait_next_vol, &dev->mutex, &timeout);
443 if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
447 * Someone other than us blocked the device (probably the
448 * user via the Console program.
449 * So, we continue waiting.
451 gettimeofday(&tv, &tz);
453 timeout.tv_sec = tv.tv_sec + 10; /* wait 10 seconds */
455 dev->dev_blocked = dev_blocked;
458 if (stat == ETIMEDOUT) {
459 wait_sec *= 2; /* double wait time */
460 if (wait_sec > max_wait) { /* but not longer than maxtime */
464 if (num_wait >= max_num_wait) {
465 Mmsg(&dev->errmsg, _("Gave up waiting to mount Storage Device \"%s\" for Job %s\n"),
466 jcr->dev_name, jcr->Job);
467 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
468 Dmsg1(190, "Gave up waiting on device %s\n", dev->dev_name);
469 return 0; /* exceeded maximum waits */
473 if (stat == EINVAL) {
474 Mmsg2(&dev->errmsg, _("pthread error in mount_volume stat=%d ERR=%s\n"),
475 stat, strerror(stat));
476 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
480 Jmsg(jcr, M_ERROR, 0, _("pthread error in mount_next_volume stat=%d ERR=%s\n"), stat,
483 Dmsg1(190, "Someone woke me for device %s\n", dev->dev_name);
485 /* Restart wait counters */
490 jcr->JobStatus = JS_Running;
491 dir_send_job_status(jcr);
492 Dmsg0(130, "leave dir_ask_sysop_to_mount_next_volume\n");