* Version $Id$
*/
/*
- Copyright (C) 2002-2005 Kern Sibbald
+ Copyright (C) 2002-2006 Kern Sibbald
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
#include "bacula.h" /* pull in global headers */
#include "stored.h" /* pull in Storage Deamon headers */
-/*
- * Create a new Device Control Record and attach
- * it to the device (if this is a real job).
- */
-DCR *new_dcr(JCR *jcr, DEVICE *dev)
-{
- if (jcr && jcr->dcr) {
- return jcr->dcr;
- }
- DCR *dcr = (DCR *)malloc(sizeof(DCR));
- memset(dcr, 0, sizeof(DCR));
- if (jcr) {
- jcr->dcr = dcr;
- }
- dcr->jcr = jcr;
- dcr->dev = dev;
- if (dev) {
- dcr->device = dev->device;
- }
- dcr->block = new_block(dev);
- dcr->rec = new_record();
- dcr->spool_fd = -1;
- dcr->max_job_spool_size = dev->device->max_job_spool_size;
- /* Attach this dcr only if dev is initialized */
- if (dev->fd != 0 && jcr && jcr->JobType != JT_SYSTEM) {
- dev->attached_dcrs->append(dcr); /* attach dcr to device */
-// jcr->dcrs->append(dcr); /* put dcr in list for Job */
- }
- return dcr;
-}
-
-/*
- * Search the dcrs list for the given dcr. If it is found,
- * as it should be, then remove it. Also zap the jcr pointer
- * to the dcr if it is the same one.
- */
-#ifdef needed
-static void remove_dcr_from_dcrs(DCR *dcr)
-{
- JCR *jcr = dcr->jcr;
- if (jcr->dcrs) {
- int i = 0;
- DCR *ldcr;
- int num = jcr->dcrs->size();
- for (i=0; i < num; i++) {
- ldcr = (DCR *)jcr->dcrs->get(i);
- if (ldcr == dcr) {
- jcr->dcrs->remove(i);
- if (jcr->dcr == dcr) {
- jcr->dcr = NULL;
- }
- }
- }
- }
-}
-#endif
-
-/*
- * Free up all aspects of the given dcr -- i.e. dechain it,
- * release allocated memory, zap pointers, ...
- */
-void free_dcr(DCR *dcr)
-{
- JCR *jcr = dcr->jcr;
- DEVICE *dev = dcr->dev;
-
- if (dcr->reserved_device) {
- lock_device(dev);
- dev->reserved_device--;
- Dmsg1(200, "Dec reserve=%d\n", dev->reserved_device);
- dcr->reserved_device = false;
- if (dev->num_writers < 0) {
- Jmsg1(dcr->jcr, M_ERROR, 0, _("Hey! num_writers=%d!!!!\n"), dev->num_writers);
- dev->num_writers = 0;
- }
- unlock_device(dev);
- }
-
- /* Detach this dcr only if the dev is initialized */
- if (dev->fd != 0 && jcr && jcr->JobType != JT_SYSTEM) {
- dev->attached_dcrs->remove(dcr); /* detach dcr from device */
-// remove_dcr_from_dcrs(dcr); /* remove dcr from jcr list */
- }
- if (dcr->block) {
- free_block(dcr->block);
- }
- if (dcr->rec) {
- free_record(dcr->rec);
- }
- if (dcr->jcr) {
- dcr->jcr->dcr = NULL;
- }
- free_unused_volume(dcr); /* free unused vols attached to this dcr */
- free(dcr);
-}
/*********************************************************************
* Acquire device for reading.
bool try_autochanger = true;
int i;
int vol_label_status;
+ int retry = 0;
dev->block(BST_DOING_ACQUIRE);
Jmsg1(jcr, M_WARNING, 0, "%s", jcr->errmsg);
}
- for (i=0; i<5; i++) {
+ for ( ;; ) {
+ /* If not polling limit retries */
+ if (!dev->poll && retry++ > 10) {
+ break;
+ }
dev->clear_labeled(); /* force reread of label */
if (job_canceled(jcr)) {
Mmsg1(dev->errmsg, _("Job %d canceled.\n"), jcr->JobId);
* reading. If it is a file, it opens it.
* If it is a tape, it checks the volume name
*/
- for ( ; !dev->is_open(); ) {
- Dmsg1(100, "bstored: open vol=%s\n", dcr->VolumeName);
- if (dev->open(dcr, OPEN_READ_ONLY) < 0) {
- if (dev->dev_errno == EIO) { /* no tape loaded */
- Jmsg3(jcr, M_WARNING, 0, _("Open device %s Volume \"%s\" failed (EIO): ERR=%s\n"),
- dev->print_name(), dcr->VolumeName, strerror_dev(dev));
- goto default_path;
- }
-
-#ifdef xxx_needed
- /* If we have a dvd that requires mount,
- * we need to try to open the label, so the info can be reported
- * if a wrong volume has been mounted.
- */
- if (dev->is_dvd() && (dcr->VolCatInfo.VolCatParts > 0)) {
- break;
- }
-#endif
-
- Jmsg3(jcr, M_FATAL, 0, _("Open device %s Volume \"%s\" failed: ERR=%s\n"),
- dev->print_name(), dcr->VolumeName, strerror_dev(dev));
- goto get_out;
+ Dmsg1(100, "bstored: open vol=%s\n", dcr->VolumeName);
+ if (dev->open(dcr, OPEN_READ_ONLY) < 0) {
+ if (dev->dev_errno == EIO) { /* no tape loaded */
+ Jmsg3(jcr, M_WARNING, 0, _("Read open device %s Volume \"%s\" failed (EIO): ERR=%s\n"),
+ dev->print_name(), dcr->VolumeName, strerror_dev(dev));
+ goto default_path;
}
- Dmsg1(100, "opened dev %s OK\n", dev->print_name());
+
+ Jmsg3(jcr, M_FATAL, 0, _("Read open device %s Volume \"%s\" failed: ERR=%s\n"),
+ dev->print_name(), dcr->VolumeName, strerror_dev(dev));
+ goto get_out;
}
+ Dmsg1(100, "opened dev %s OK\n", dev->print_name());
/* Read Volume Label */
tape_initially_mounted = false;
goto default_path;
}
+ /* If polling and got a previous bad name, ignore it */
+ if (dev->poll && strcmp(dev->BadVolName, dev->VolHdr.VolumeName) == 0) {
+ goto default_path;
+ } else {
+ bstrncpy(dev->BadVolName, dev->VolHdr.VolumeName, sizeof(dev->BadVolName));
+ }
/* Fall through */
default:
Jmsg1(jcr, M_WARNING, 0, "%s", jcr->errmsg);
dcr->VolumeName, dev->print_name());
get_out:
- dev->unblock();
- if (!vol_ok) {
- free_dcr(dcr);
- dcr = NULL;
+ P(dev->mutex);
+ if (dcr->reserved_device) {
+ dev->reserved_device--;
+ Dmsg2(100, "Dec reserve=%d dev=%s\n", dev->reserved_device, dev->print_name());
+ dcr->reserved_device = false;
}
+ V(dev->mutex);
+ dev->unblock();
+ Dmsg1(000, "jcr->dcr=%p\n", jcr->dcr);
return dcr;
}
Dmsg1(190, "acquire_append device is %s\n", dev->is_tape()?"tape":
(dev->is_dvd()?"DVD":"disk"));
- if (dcr->reserved_device) {
- dev->reserved_device--;
- Dmsg1(200, "Dec reserve=%d\n", dev->reserved_device);
- dcr->reserved_device = false;
- }
-
/*
* With the reservation system, this should not happen
*/
if (dev->can_read()) {
Jmsg1(jcr, M_FATAL, 0, _("Device %s is busy reading.\n"), dev->print_name());
+ Dmsg1(200, "Device %s is busy reading.\n", dev->print_name());
goto get_out;
}
if (dcr->VolumeName[0]) {
free_unused_volume(dcr);
}
- if (dev->num_writers != 0 || dev->reserved_device) {
- Jmsg(jcr, M_FATAL, 0, _("Device %s is busy writing on another Volume.\n"), dev->print_name());
+ if (dev->num_writers != 0) {
+ Jmsg3(jcr, M_FATAL, 0, _("Wanted Volume \"%s\", but device %s is busy writing on \"%s\" .\n"),
+ dcr->VolumeName, dev->print_name(), dev->VolHdr.VolumeName);
+ Dmsg3(200, "Wanted Volume \"%s\", but device %s is busy writing on \"%s\" .\n",
+ dcr->VolumeName, dev->print_name(), dev->VolHdr.VolumeName);
goto get_out;
}
/* Wrong tape mounted, release it, then fall through to get correct one */
/* Reduce "noise" -- don't print if job canceled */
Jmsg(jcr, M_FATAL, 0, _("Could not ready device %s for append.\n"),
dev->print_name());
+ Dmsg1(200, "Could not ready device %s for append.\n",
+ dev->print_name());
}
goto get_out;
}
if (jcr->NumVolumes == 0) {
jcr->NumVolumes = 1;
}
- goto ok_out;
+ P(dev->mutex);
+ if (dcr->reserved_device) {
+ dev->reserved_device--;
+ Dmsg1(100, "Dec reserve=%d\n", dev->reserved_device);
+ dcr->reserved_device = false;
+ }
+ V(dev->mutex);
+ dev->unblock();
+ return dcr;
/*
- * If we jump here, it is an error return because
- * rtn_dev will still be NULL
+ * Error return
*/
get_out:
+ P(dev->mutex);
+ if (dcr->reserved_device) {
+ dev->reserved_device--;
+ Dmsg1(100, "Dec reserve=%d\n", dev->reserved_device);
+ dcr->reserved_device = false;
+ }
+ V(dev->mutex);
free_dcr(dcr);
- dcr = NULL;
-ok_out:
dev->unblock();
- return dcr;
+ return NULL;
}
/*
/* if device is reserved, job never started, so release the reserve here */
if (dcr->reserved_device) {
dev->reserved_device--;
- Dmsg1(200, "Dec reserve=%d\n", dev->reserved_device);
+ Dmsg1(100, "Dec reserve=%d\n", dev->reserved_device);
dcr->reserved_device = false;
}
free_pool_memory(alert);
}
unlock_device(dev);
+ if (jcr->read_dcr == dcr) {
+ jcr->read_dcr = NULL;
+ }
+ if (jcr->dcr == dcr) {
+ jcr->dcr = NULL;
+ }
free_dcr(dcr);
- jcr->dcr = NULL;
- pthread_cond_broadcast(&wait_device_release);
return ok;
}
+
+/*
+ * Create a new Device Control Record and attach
+ * it to the device (if this is a real job).
+ */
+DCR *new_dcr(JCR *jcr, DEVICE *dev)
+{
+ DCR *dcr = (DCR *)malloc(sizeof(DCR));
+ memset(dcr, 0, sizeof(DCR));
+ dcr->jcr = jcr;
+ if (dev) {
+ dcr->dev = dev;
+ dcr->device = dev->device;
+ dcr->block = new_block(dev);
+ dcr->rec = new_record();
+ dcr->max_job_spool_size = dev->device->max_job_spool_size;
+ /* Attach this dcr only if dev is initialized */
+ if (dev->fd != 0 && jcr && jcr->JobType != JT_SYSTEM) {
+ dev->attached_dcrs->append(dcr); /* attach dcr to device */
+// jcr->dcrs->append(dcr); /* put dcr in list for Job */
+ }
+ }
+ dcr->spool_fd = -1;
+ return dcr;
+}
+
+/*
+ * Search the dcrs list for the given dcr. If it is found,
+ * as it should be, then remove it. Also zap the jcr pointer
+ * to the dcr if it is the same one.
+ */
+#ifdef needed
+static void remove_dcr_from_dcrs(DCR *dcr)
+{
+ JCR *jcr = dcr->jcr;
+ if (jcr->dcrs) {
+ int i = 0;
+ DCR *ldcr;
+ int num = jcr->dcrs->size();
+ for (i=0; i < num; i++) {
+ ldcr = (DCR *)jcr->dcrs->get(i);
+ if (ldcr == dcr) {
+ jcr->dcrs->remove(i);
+ if (jcr->dcr == dcr) {
+ jcr->dcr = NULL;
+ }
+ }
+ }
+ }
+}
+#endif
+
+/*
+ * Free up all aspects of the given dcr -- i.e. dechain it,
+ * release allocated memory, zap pointers, ...
+ */
+void free_dcr(DCR *dcr)
+{
+ JCR *jcr = dcr->jcr;
+ DEVICE *dev = dcr->dev;
+
+ if (dcr->reserved_device) {
+ lock_device(dev);
+ dev->reserved_device--;
+ Dmsg2(100, "Dec reserve=%d dev=%s\n", dev->reserved_device, dev->print_name());
+ dcr->reserved_device = false;
+ /* If we set read mode in reserving, remove it */
+ if (dev->can_read()) {
+ dev->clear_read();
+ }
+ if (dev->num_writers < 0) {
+ Jmsg1(dcr->jcr, M_ERROR, 0, _("Hey! num_writers=%d!!!!\n"), dev->num_writers);
+ dev->num_writers = 0;
+ }
+ unlock_device(dev);
+ }
+
+ /* Detach this dcr only if the dev is initialized */
+ if (dev->fd != 0 && jcr && jcr->JobType != JT_SYSTEM) {
+ dev->attached_dcrs->remove(dcr); /* detach dcr from device */
+// remove_dcr_from_dcrs(dcr); /* remove dcr from jcr list */
+ }
+ if (dcr->block) {
+ free_block(dcr->block);
+ }
+ if (dcr->rec) {
+ free_record(dcr->rec);
+ }
+ if (dcr->jcr) {
+ dcr->jcr->dcr = NULL;
+ }
+ free_unused_volume(dcr); /* free unused vols attached to this dcr */
+ free(dcr);
+ pthread_cond_broadcast(&dev->wait_next_vol);
+ pthread_cond_broadcast(&wait_device_release);
+}
projects / bacula / bacula / blobdiff