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) 2000-2006 Kern Sibbald
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License
14 version 2 as amended with additional clauses defined in the
15 file LICENSE in the main source directory.
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
20 the file LICENSE for additional details.
24 #include "bacula.h" /* pull in global headers */
25 #include "stored.h" /* pull in Storage Deamon headers */
27 /* Requests sent to the Director */
28 static char Find_media[] = "CatReq Job=%s FindMedia=%d pool_name=%s media_type=%s\n";
29 static char Get_Vol_Info[] = "CatReq Job=%s GetVolInfo VolName=%s write=%d\n";
30 static char Update_media[] = "CatReq Job=%s UpdateMedia VolName=%s"
31 " VolJobs=%u VolFiles=%u VolBlocks=%u VolBytes=%s VolMounts=%u"
32 " VolErrors=%u VolWrites=%u MaxVolBytes=%s EndTime=%d VolStatus=%s"
33 " Slot=%d relabel=%d InChanger=%d VolReadTime=%s VolWriteTime=%s"
35 static char Create_job_media[] = "CatReq Job=%s CreateJobMedia"
36 " FirstIndex=%u LastIndex=%u StartFile=%u EndFile=%u"
37 " StartBlock=%u EndBlock=%u Copy=%d Strip=%d\n";
38 static char FileAttributes[] = "UpdCat Job=%s FileAttributes ";
39 static char Job_status[] = "Status Job=%s JobStatus=%d\n";
43 /* Responses received from the Director */
44 static char OK_media[] = "1000 OK VolName=%127s VolJobs=%u VolFiles=%u"
45 " VolBlocks=%u VolBytes=%" lld " VolMounts=%u VolErrors=%u VolWrites=%u"
46 " MaxVolBytes=%" lld " VolCapacityBytes=%" lld " VolStatus=%20s"
47 " Slot=%d MaxVolJobs=%u MaxVolFiles=%u InChanger=%d"
48 " VolReadTime=%" lld " VolWriteTime=%" lld " EndFile=%u EndBlock=%u"
49 " VolParts=%u LabelType=%d";
52 static char OK_create[] = "1000 OK CreateJobMedia\n";
56 static char Device_update[] = "DevUpd Job=%s device=%s "
57 "append=%d read=%d num_writers=%d "
58 "open=%d labeled=%d offline=%d "
59 "reserved=%d max_writers=%d "
60 "autoselect=%d autochanger=%d "
61 "changer_name=%s media_type=%s volume_name=%s\n";
64 /* Send update information about a device to Director */
65 bool dir_update_device(JCR *jcr, DEVICE *dev)
67 BSOCK *dir = jcr->dir_bsock;
68 POOL_MEM dev_name, VolumeName, MediaType, ChangerName;
69 DEVRES *device = dev->device;
72 pm_strcpy(dev_name, device->hdr.name);
73 bash_spaces(dev_name);
74 if (dev->is_labeled()) {
75 pm_strcpy(VolumeName, dev->VolHdr.VolumeName);
77 pm_strcpy(VolumeName, "*");
79 bash_spaces(VolumeName);
80 pm_strcpy(MediaType, device->media_type);
81 bash_spaces(MediaType);
82 if (device->changer_res) {
83 pm_strcpy(ChangerName, device->changer_res->hdr.name);
84 bash_spaces(ChangerName);
86 pm_strcpy(ChangerName, "*");
88 ok =bnet_fsend(dir, Device_update,
92 dev->can_read()!=0, dev->num_writers,
93 dev->is_open()!=0, dev->is_labeled()!=0,
94 dev->is_offline()!=0, dev->reserved_device,
95 dev->is_tape()?100000:1,
97 ChangerName.c_str(), MediaType.c_str(), VolumeName.c_str());
98 Dmsg1(100, ">dird: %s\n", dir->msg);
102 bool dir_update_changer(JCR *jcr, AUTOCHANGER *changer)
104 BSOCK *dir = jcr->dir_bsock;
105 POOL_MEM dev_name, MediaType;
109 pm_strcpy(dev_name, changer->hdr.name);
110 bash_spaces(dev_name);
111 device = (DEVRES *)changer->device->first();
112 pm_strcpy(MediaType, device->media_type);
113 bash_spaces(MediaType);
114 /* This is mostly to indicate that we are here */
115 ok = bnet_fsend(dir, Device_update,
117 dev_name.c_str(), /* Changer name */
118 0, 0, 0, /* append, read, num_writers */
119 0, 0, 0, /* is_open, is_labeled, offline */
120 0, 0, /* reserved, max_writers */
122 changer->device->size(), /* Number of devices */
124 "*", /* ChangerName */
125 MediaType.c_str(), /* MediaType */
127 Dmsg1(100, ">dird: %s\n", dir->msg);
134 * Send current JobStatus to Director
136 bool dir_send_job_status(JCR *jcr)
138 return bnet_fsend(jcr->dir_bsock, Job_status, jcr->Job, jcr->JobStatus);
142 * Common routine for:
143 * dir_get_volume_info()
145 * dir_find_next_appendable_volume()
147 * Returns: true on success and vol info in dcr->VolCatInfo
150 static bool do_get_volume_info(DCR *dcr)
153 BSOCK *dir = jcr->dir_bsock;
158 dcr->VolumeName[0] = 0; /* No volume */
159 if (bnet_recv(dir) <= 0) {
160 Dmsg0(200, "getvolname error bnet_recv\n");
161 Mmsg(jcr->errmsg, _("Network error on bnet_recv in req_vol_info.\n"));
164 memset(&vol, 0, sizeof(vol));
165 Dmsg1(110, "<dird %s", dir->msg);
166 n = sscanf(dir->msg, OK_media, vol.VolCatName,
167 &vol.VolCatJobs, &vol.VolCatFiles,
168 &vol.VolCatBlocks, &vol.VolCatBytes,
169 &vol.VolCatMounts, &vol.VolCatErrors,
170 &vol.VolCatWrites, &vol.VolCatMaxBytes,
171 &vol.VolCatCapacityBytes, vol.VolCatStatus,
172 &vol.Slot, &vol.VolCatMaxJobs, &vol.VolCatMaxFiles,
173 &InChanger, &vol.VolReadTime, &vol.VolWriteTime,
174 &vol.EndFile, &vol.EndBlock, &vol.VolCatParts,
177 Dmsg2(110, "Bad response from Dir fields=%d: %s", n, dir->msg);
178 Mmsg(jcr->errmsg, _("Error getting Volume info: %s"), dir->msg);
181 vol.InChanger = InChanger; /* bool in structure */
182 unbash_spaces(vol.VolCatName);
183 bstrncpy(dcr->VolumeName, vol.VolCatName, sizeof(dcr->VolumeName));
184 memcpy(&dcr->VolCatInfo, &vol, sizeof(dcr->VolCatInfo));
186 Dmsg2(300, "do_reqest_vol_info return true slot=%d Volume=%s\n",
187 vol.Slot, vol.VolCatName);
193 * Get Volume info for a specific volume from the Director's Database
195 * Returns: true on success (Director guarantees that Pool and MediaType
196 * are correct and VolStatus==Append or
197 * VolStatus==Recycle)
200 * Volume information returned in dcr->VolCatInfo
202 bool dir_get_volume_info(DCR *dcr, enum get_vol_info_rw writing)
205 BSOCK *dir = jcr->dir_bsock;
207 bstrncpy(dcr->VolCatInfo.VolCatName, dcr->VolumeName, sizeof(dcr->VolCatInfo.VolCatName));
208 bash_spaces(dcr->VolCatInfo.VolCatName);
209 bnet_fsend(dir, Get_Vol_Info, jcr->Job, dcr->VolCatInfo.VolCatName,
210 writing==GET_VOL_INFO_FOR_WRITE?1:0);
211 Dmsg1(100, ">dird: %s", dir->msg);
212 bool ok = do_get_volume_info(dcr);
219 * Get info on the next appendable volume in the Director's database
220 * Returns: true on success
223 * Volume information returned in dcr
226 bool dir_find_next_appendable_volume(DCR *dcr)
229 BSOCK *dir = jcr->dir_bsock;
232 Dmsg0(200, "dir_find_next_appendable_volume\n");
234 * Try the twenty oldest or most available volumes. Note,
235 * the most available could already be mounted on another
236 * drive, so we continue looking for a not in use Volume.
239 for (int vol_index=1; vol_index < 20; vol_index++) {
240 bash_spaces(dcr->media_type);
241 bash_spaces(dcr->pool_name);
242 bnet_fsend(dir, Find_media, jcr->Job, vol_index, dcr->pool_name, dcr->media_type);
243 unbash_spaces(dcr->media_type);
244 unbash_spaces(dcr->pool_name);
245 Dmsg1(100, ">dird: %s", dir->msg);
246 bool ok = do_get_volume_info(dcr);
248 if (dcr->any_volume || !is_volume_in_use(dcr)) {
252 Dmsg1(100, "Volume %s is in use.\n", dcr->VolumeName);
256 Dmsg2(100, "No vol. index %d return false. dev=%s\n", vol_index,
257 dcr->dev->print_name());
263 Dmsg0(400, "dir_find_next_appendable_volume return true\n");
264 new_volume(dcr, dcr->VolumeName); /* reserve volume */
265 unlock_reservations();
268 dcr->VolumeName[0] = 0;
269 unlock_reservations();
275 * After writing a Volume, send the updated statistics
276 * back to the director. The information comes from the
279 bool dir_update_volume_info(DCR *dcr, bool label)
282 BSOCK *dir = jcr->dir_bsock;
283 DEVICE *dev = dcr->dev;
284 time_t LastWritten = time(NULL);
285 char ed1[50], ed2[50], ed3[50], ed4[50];
286 VOLUME_CAT_INFO *vol = &dev->VolCatInfo;
290 if (vol->VolCatName[0] == 0) {
291 Jmsg0(jcr, M_FATAL, 0, _("NULL Volume name. This shouldn't happen!!!\n"));
292 Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
295 if (dev->can_read()) {
296 Jmsg0(jcr, M_FATAL, 0, _("Attempt to update_volume_info in read mode!!!\n"));
297 Pmsg0(000, _("Attempt to update_volume_info in read mode!!!\n"));
301 Dmsg1(100, "Update cat VolFiles=%d\n", dev->file);
302 /* Just labeled or relabeled the tape */
304 bstrncpy(vol->VolCatStatus, "Append", sizeof(vol->VolCatStatus));
305 vol->VolCatBytes = 1; /* indicates tape labeled */
307 pm_strcpy(VolumeName, vol->VolCatName);
308 bash_spaces(VolumeName);
309 InChanger = vol->InChanger;
310 bnet_fsend(dir, Update_media, jcr->Job,
311 VolumeName.c_str(), vol->VolCatJobs, vol->VolCatFiles,
312 vol->VolCatBlocks, edit_uint64(vol->VolCatBytes, ed1),
313 vol->VolCatMounts, vol->VolCatErrors,
314 vol->VolCatWrites, edit_uint64(vol->VolCatMaxBytes, ed2),
315 LastWritten, vol->VolCatStatus, vol->Slot, label,
316 InChanger, /* bool in structure */
317 edit_uint64(vol->VolReadTime, ed3),
318 edit_uint64(vol->VolWriteTime, ed4),
320 Dmsg1(100, ">dird: %s", dir->msg);
322 /* Do not lock device here because it may be locked from label */
323 if (!do_get_volume_info(dcr)) {
324 Jmsg(jcr, M_FATAL, 0, "%s", jcr->errmsg);
325 Pmsg2(000, _("Didn't get vol info vol=%s: ERR=%s"),
326 vol->VolCatName, jcr->errmsg);
329 Dmsg1(420, "get_volume_info(): %s", dir->msg);
330 /* Update dev Volume info in case something changed (e.g. expired) */
331 memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
336 * After writing a Volume, create the JobMedia record.
338 bool dir_create_jobmedia_record(DCR *dcr)
341 BSOCK *dir = jcr->dir_bsock;
343 if (!dcr->WroteVol) {
344 return true; /* nothing written to tape */
347 dcr->WroteVol = false;
348 bnet_fsend(dir, Create_job_media, jcr->Job,
349 dcr->VolFirstIndex, dcr->VolLastIndex,
350 dcr->StartFile, dcr->EndFile,
351 dcr->StartBlock, dcr->EndBlock,
352 dcr->Copy, dcr->Stripe);
353 Dmsg1(100, ">dird: %s", dir->msg);
354 if (bnet_recv(dir) <= 0) {
355 Dmsg0(190, "create_jobmedia error bnet_recv\n");
356 Jmsg(jcr, M_FATAL, 0, _("Error creating JobMedia record: ERR=%s\n"),
360 Dmsg1(100, "<dir: %s", dir->msg);
361 if (strcmp(dir->msg, OK_create) != 0) {
362 Dmsg1(130, "Bad response from Dir: %s\n", dir->msg);
363 Jmsg(jcr, M_FATAL, 0, _("Error creating JobMedia record: %s\n"), dir->msg);
371 * Update File Attribute data
373 bool dir_update_file_attributes(DCR *dcr, DEV_RECORD *rec)
376 BSOCK *dir = jcr->dir_bsock;
379 #ifdef NO_ATTRIBUTES_TEST
383 dir->msglen = sprintf(dir->msg, FileAttributes, jcr->Job);
384 dir->msg = check_pool_memory_size(dir->msg, dir->msglen +
385 sizeof(DEV_RECORD) + rec->data_len);
386 ser_begin(dir->msg + dir->msglen, 0);
387 ser_uint32(rec->VolSessionId);
388 ser_uint32(rec->VolSessionTime);
389 ser_int32(rec->FileIndex);
390 ser_int32(rec->Stream);
391 ser_uint32(rec->data_len);
392 ser_bytes(rec->data, rec->data_len);
393 dir->msglen = ser_length(dir->msg);
394 Dmsg1(1800, ">dird: %s\n", dir->msg); /* Attributes */
395 return bnet_send(dir);
400 * Request the sysop to create an appendable volume
402 * Entered with device blocked.
403 * Leaves with device blocked.
405 * Returns: true on success (operator issues a mount command)
407 * Note, must create dev->errmsg on error return.
409 * On success, dcr->VolumeName and dcr->VolCatInfo contain
410 * information on suggested volume, but this may not be the
411 * same as what is actually mounted.
413 * When we return with success, the correct tape may or may not
414 * actually be mounted. The calling routine must read it and
417 bool dir_ask_sysop_to_create_appendable_volume(DCR *dcr)
419 int stat = W_TIMEOUT;
420 DEVICE *dev = dcr->dev;
422 bool got_vol = false;
424 Dmsg0(400, "enter dir_ask_sysop_to_create_appendable_volume\n");
425 ASSERT(dev->dev_blocked);
427 if (job_canceled(jcr)) {
429 _("Job %s canceled while waiting for mount on Storage Device \"%s\".\n"),
430 jcr->Job, dev->print_name());
431 Jmsg(jcr, M_INFO, 0, "%s", dev->errmsg);
435 got_vol = dir_find_next_appendable_volume(dcr); /* get suggested volume */
440 if (stat == W_TIMEOUT || stat == W_MOUNT) {
441 Jmsg(jcr, M_MOUNT, 0, _(
442 "Job %s waiting. Cannot find any appendable volumes.\n"
443 "Please use the \"label\" command to create a new Volume for:\n"
454 set_jcr_job_status(jcr, JS_WaitMedia);
455 dir_send_job_status(jcr);
457 stat = wait_for_sysop(dcr);
458 Dmsg1(100, "Back from wait_for_sysop stat=%d\n", stat);
460 Dmsg1(100, "Poll timeout in create append vol on device %s\n", dev->print_name());
464 if (stat == W_TIMEOUT) {
465 if (!double_dev_wait_time(dev)) {
466 Mmsg(dev->errmsg, _("Max time exceeded waiting to mount Storage Device %s for Job %s\n"),
467 dev->print_name(), jcr->Job);
468 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
469 Dmsg1(100, "Gave up waiting on device %s\n", dev->print_name());
470 return false; /* exceeded maximum waits */
474 if (stat == W_ERROR) {
476 Mmsg0(dev->errmsg, _("pthread error in mount_next_volume.\n"));
477 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
480 Dmsg1(100, "Someone woke me for device %s\n", dev->print_name());
482 set_jcr_job_status(jcr, JS_Running);
483 dir_send_job_status(jcr);
484 Dmsg0(100, "leave dir_ask_sysop_to_mount_create_appendable_volume\n");
489 * Request to mount specific Volume
491 * Entered with device blocked and dcr->VolumeName is desired
493 * Leaves with device blocked.
495 * Returns: true on success (operator issues a mount command)
497 * Note, must create dev->errmsg on error return.
500 bool dir_ask_sysop_to_mount_volume(DCR *dcr)
502 int stat = W_TIMEOUT;
503 DEVICE *dev = dcr->dev;
506 Dmsg0(400, "enter dir_ask_sysop_to_mount_volume\n");
507 if (!dcr->VolumeName[0]) {
508 Mmsg0(dev->errmsg, _("Cannot request another volume: no volume name given.\n"));
511 ASSERT(dev->dev_blocked);
513 if (job_canceled(jcr)) {
514 Mmsg(dev->errmsg, _("Job %s canceled while waiting for mount on Storage Device %s.\n"),
515 jcr->Job, dev->print_name());
524 * If we are not polling, and the wait timeout or the
525 * user explicitly did a mount, send him the message.
528 if (!dev->poll && (stat == W_TIMEOUT || stat == W_MOUNT)) {
529 Jmsg(jcr, M_MOUNT, 0, _("Please mount Volume \"%s\" on Storage Device %s for Job %s\n"),
530 dcr->VolumeName, dev->print_name(), jcr->Job);
531 Dmsg3(400, "Mount \"%s\" on device \"%s\" for Job %s\n",
532 dcr->VolumeName, dev->print_name(), jcr->Job);
535 set_jcr_job_status(jcr, JS_WaitMount);
536 dir_send_job_status(jcr);
538 stat = wait_for_sysop(dcr); /* wait on device */
539 Dmsg1(100, "Back from wait_for_sysop stat=%d\n", stat);
541 Dmsg1(400, "Poll timeout in mount vol on device %s\n", dev->print_name());
542 Dmsg1(400, "Blocked=%s\n", dev->print_blocked());
546 if (stat == W_TIMEOUT) {
547 if (!double_dev_wait_time(dev)) {
548 Mmsg(dev->errmsg, _("Max time exceeded waiting to mount Storage Device %s for Job %s\n"),
549 dev->print_name(), jcr->Job);
550 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
551 Dmsg1(400, "Gave up waiting on device %s\n", dev->print_name());
552 return false; /* exceeded maximum waits */
556 if (stat == W_ERROR) {
558 Mmsg(dev->errmsg, _("pthread error in mount_volume\n"));
559 Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
562 Dmsg1(400, "Someone woke me for device %s\n", dev->print_name());
565 set_jcr_job_status(jcr, JS_Running);
566 dir_send_job_status(jcr);
567 Dmsg0(400, "leave dir_ask_sysop_to_mount_volume\n");