+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2003-2008 Free Software Foundation Europe e.V.
+
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
* Bacula job queue routines.
*
* David R. Butenhof
*
*/
-/*
- Copyright (C) 2003-2005 Kern Sibbald
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- */
#include "bacula.h"
#include "dird.h"
if ((stat = pthread_attr_init(&jq->attr)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_attr_init: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_attr_init: ERR=%s\n"), be.bstrerror(stat));
return stat;
}
if ((stat = pthread_attr_setdetachstate(&jq->attr, PTHREAD_CREATE_DETACHED)) != 0) {
}
if ((stat = pthread_mutex_init(&jq->mutex, NULL)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_mutex_init: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_mutex_init: ERR=%s\n"), be.bstrerror(stat));
pthread_attr_destroy(&jq->attr);
return stat;
}
if ((stat = pthread_cond_init(&jq->work, NULL)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_cond_init: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_init: ERR=%s\n"), be.bstrerror(stat));
pthread_mutex_destroy(&jq->mutex);
pthread_attr_destroy(&jq->attr);
return stat;
}
if ((stat = pthread_mutex_lock(&jq->mutex)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_mutex_lock: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_mutex_lock: ERR=%s\n"), be.bstrerror(stat));
return stat;
}
jq->valid = 0; /* prevent any more operations */
if (jq->idle_workers) {
if ((stat = pthread_cond_broadcast(&jq->work)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_cond_broadcast: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_broadcast: ERR=%s\n"), be.bstrerror(stat));
pthread_mutex_unlock(&jq->mutex);
return stat;
}
while (jq->num_workers > 0) {
if ((stat = pthread_cond_wait(&jq->work, &jq->mutex)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_cond_wait: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_wait: ERR=%s\n"), be.bstrerror(stat));
pthread_mutex_unlock(&jq->mutex);
return stat;
}
}
if ((stat = pthread_mutex_unlock(&jq->mutex)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_mutex_unlock: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_mutex_unlock: ERR=%s\n"), be.bstrerror(stat));
return stat;
}
stat = pthread_mutex_destroy(&jq->mutex);
}
/* Check every 30 seconds if canceled */
while (wtime > 0) {
- Dmsg2(2300, "Waiting on sched time, jobid=%d secs=%d\n", jcr->JobId, wtime);
+ Dmsg3(2300, "Waiting on sched time, jobid=%d secs=%d use=%d\n",
+ jcr->JobId, wtime, jcr->use_count());
if (wtime > 30) {
wtime = 30;
}
}
wtime = jcr->sched_time - time(NULL);
}
- P(jcr->mutex); /* lock jcr */
+ Dmsg1(200, "resched use=%d\n", jcr->use_count());
jobq_add(jq, jcr);
- V(jcr->mutex);
free_jcr(jcr); /* we are done with jcr */
Dmsg0(2300, "Exit sched_wait\n");
return NULL;
/*
* Add a job to the queue
* jq is a queue that was created with jobq_init
- *
- * On entry jcr->mutex must be locked.
- *
*/
int jobq_add(jobq_t *jq, JCR *jcr)
{
pthread_t id;
wait_pkt *sched_pkt;
- Dmsg3(2300, "jobq_add jobid=%d jcr=0x%x use_count=%d\n", jcr->JobId, jcr, jcr->use_count);
+ if (!jcr->term_wait_inited) {
+ /* Initialize termination condition variable */
+ if ((stat = pthread_cond_init(&jcr->term_wait, NULL)) != 0) {
+ berrno be;
+ Jmsg1(jcr, M_FATAL, 0, _("Unable to init job cond variable: ERR=%s\n"), be.bstrerror(stat));
+ return stat;
+ }
+ jcr->term_wait_inited = true;
+ }
+
+ Dmsg3(2300, "jobq_add jobid=%d jcr=0x%x use_count=%d\n", jcr->JobId, jcr, jcr->use_count());
if (jq->valid != JOBQ_VALID) {
Jmsg0(jcr, M_ERROR, 0, "Jobq_add queue not initialized.\n");
return EINVAL;
}
- jcr->use_count++; /* mark jcr in use by us */
- Dmsg3(2300, "jobq_add jobid=%d jcr=0x%x use_count=%d\n", jcr->JobId, jcr, jcr->use_count);
+ jcr->inc_use_count(); /* mark jcr in use by us */
+ Dmsg3(2300, "jobq_add jobid=%d jcr=0x%x use_count=%d\n", jcr->JobId, jcr, jcr->use_count());
if (!job_canceled(jcr) && wtime > 0) {
set_thread_concurrency(jq->max_workers + 2);
sched_pkt = (wait_pkt *)malloc(sizeof(wait_pkt));
stat = pthread_create(&id, &jq->attr, sched_wait, (void *)sched_pkt);
if (stat != 0) { /* thread not created */
berrno be;
- Jmsg1(jcr, M_ERROR, 0, "pthread_thread_create: ERR=%s\n", be.strerror(stat));
+ Jmsg1(jcr, M_ERROR, 0, _("pthread_thread_create: ERR=%s\n"), be.bstrerror(stat));
}
return stat;
}
if ((stat = pthread_mutex_lock(&jq->mutex)) != 0) {
berrno be;
- Jmsg1(jcr, M_ERROR, 0, "pthread_mutex_lock: ERR=%s\n", be.strerror(stat));
- jcr->use_count--; /* release jcr */
+ Jmsg1(jcr, M_ERROR, 0, _("pthread_mutex_lock: ERR=%s\n"), be.bstrerror(stat));
+ free_jcr(jcr); /* release jcr */
return stat;
}
if ((item = (jobq_item_t *)malloc(sizeof(jobq_item_t))) == NULL) {
- jcr->use_count--; /* release jcr */
+ free_jcr(jcr); /* release jcr */
return ENOMEM;
}
item->jcr = jcr;
if ((stat = pthread_mutex_lock(&jq->mutex)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_mutex_lock: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_mutex_lock: ERR=%s\n"), be.bstrerror(stat));
return stat;
}
pthread_t id;
/*
- * if any threads are idle, wake one --
- * actually we do a broadcast because on /lib/tls
+ * if any threads are idle, wake one.
+ * Actually we do a broadcast because on /lib/tls
* these signals seem to get lost from time to time.
*/
if (jq->idle_workers > 0) {
Dmsg0(2300, "Signal worker to wake up\n");
if ((stat = pthread_cond_broadcast(&jq->work)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_cond_signal: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_cond_signal: ERR=%s\n"), be.bstrerror(stat));
return stat;
}
} else if (jq->num_workers < jq->max_workers) {
set_thread_concurrency(jq->max_workers + 1);
if ((stat = pthread_create(&id, &jq->attr, jobq_server, (void *)jq)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_create: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_create: ERR=%s\n"), be.bstrerror(stat));
return stat;
}
}
Dmsg0(2300, "Start jobq_server\n");
if ((stat = pthread_mutex_lock(&jq->mutex)) != 0) {
berrno be;
- Jmsg1(NULL, M_ERROR, 0, "pthread_mutex_lock: ERR=%s\n", be.strerror(stat));
+ Jmsg1(NULL, M_ERROR, 0, _("pthread_mutex_lock: ERR=%s\n"), be.bstrerror(stat));
return NULL;
}
jq->num_workers++;
}
}
jq->running_jobs->append(je);
+ set_jcr_in_tsd(jcr);
Dmsg1(2300, "Took jobid=%d from ready and appended to run\n", jcr->JobId);
/* Release job queue lock */
V(jq->mutex);
/* Call user's routine here */
- Dmsg1(2300, "Calling user engine for jobid=%d\n", jcr->JobId);
+ Dmsg2(2300, "Calling user engine for jobid=%d use=%d\n", jcr->JobId,
+ jcr->use_count());
jq->engine(je->jcr);
- Dmsg1(2300, "Back from user engine jobid=%d.\n", jcr->JobId);
+ Dmsg2(2300, "Back from user engine jobid=%d use=%d.\n", jcr->JobId,
+ jcr->use_count());
/* Reacquire job queue lock */
P(jq->mutex);
* put into the ready queue.
*/
if (jcr->acquired_resource_locks) {
- jcr->store->NumConcurrentJobs--;
+ if (jcr->rstore) {
+ jcr->rstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
+ ASSERT(jcr->rstore->NumConcurrentJobs >= 0);
+ }
+ if (jcr->wstore) {
+ jcr->wstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ ASSERT(jcr->wstore->NumConcurrentJobs >= 0);
+ }
jcr->client->NumConcurrentJobs--;
jcr->job->NumConcurrentJobs--;
+ jcr->acquired_resource_locks = false;
}
/*
if (jcr->job->RescheduleOnError &&
jcr->JobStatus != JS_Terminated &&
jcr->JobStatus != JS_Canceled &&
- jcr->job->RescheduleTimes > 0 &&
jcr->JobType == JT_BACKUP &&
- jcr->reschedule_count < jcr->job->RescheduleTimes) {
- char dt[50];
+ (jcr->job->RescheduleTimes == 0 ||
+ jcr->reschedule_count < jcr->job->RescheduleTimes)) {
+ char dt[50], dt2[50];
/*
* Reschedule this job by cleaning it up, but
* reuse the same JobId if possible.
*/
+ time_t now = time(NULL);
jcr->reschedule_count++;
- jcr->sched_time = time(NULL) + jcr->job->RescheduleInterval;
- Dmsg2(2300, "Rescheduled Job %s to re-run in %d seconds.\n", jcr->Job,
- (int)jcr->job->RescheduleInterval);
- bstrftime(dt, sizeof(dt), time(NULL));
- Jmsg(jcr, M_INFO, 0, _("Rescheduled Job %s at %s to re-run in %d seconds.\n"),
- jcr->Job, dt, (int)jcr->job->RescheduleInterval);
+ jcr->sched_time = now + jcr->job->RescheduleInterval;
+ bstrftime(dt, sizeof(dt), now);
+ bstrftime(dt2, sizeof(dt2), jcr->sched_time);
+ Dmsg4(2300, "Rescheduled Job %s to re-run in %d seconds.(now=%u,then=%u)\n", jcr->Job,
+ (int)jcr->job->RescheduleInterval, now, jcr->sched_time);
+ Jmsg(jcr, M_INFO, 0, _("Rescheduled Job %s at %s to re-run in %d seconds (%s).\n"),
+ jcr->Job, dt, (int)jcr->job->RescheduleInterval, dt2);
dird_free_jcr_pointers(jcr); /* partial cleanup old stuff */
- jcr->JobStatus = JS_WaitStartTime;
+ jcr->JobStatus = -1;
+ set_jcr_job_status(jcr, JS_WaitStartTime);
jcr->SDJobStatus = 0;
if (jcr->JobBytes == 0) {
- Dmsg1(2300, "Requeue job=%d\n", jcr->JobId);
- jcr->JobStatus = JS_WaitStartTime;
+ Dmsg2(2300, "Requeue job=%d use=%d\n", jcr->JobId, jcr->use_count());
V(jq->mutex);
jobq_add(jq, jcr); /* queue the job to run again */
P(jq->mutex);
+ free_jcr(jcr); /* release jcr */
free(je); /* free the job entry */
continue; /* look for another job to run */
}
* the old JobId or there will be database record
* conflicts. We now create a new job, copying the
* appropriate fields.
- */
+ */
JCR *njcr = new_jcr(sizeof(JCR), dird_free_jcr);
set_jcr_defaults(njcr, jcr->job);
njcr->reschedule_count = jcr->reschedule_count;
+ njcr->sched_time = jcr->sched_time;
njcr->JobLevel = jcr->JobLevel;
- njcr->JobStatus = jcr->JobStatus;
- copy_storage(njcr, jcr);
+ njcr->JobStatus = -1;
+ set_jcr_job_status(njcr, jcr->JobStatus);
+ if (jcr->rstore) {
+ copy_rstorage(njcr, jcr->rstorage, _("previous Job"));
+ } else {
+ free_rstorage(njcr);
+ }
+ if (jcr->wstore) {
+ copy_wstorage(njcr, jcr->wstorage, _("previous Job"));
+ } else {
+ free_wstorage(njcr);
+ }
njcr->messages = jcr->messages;
Dmsg0(2300, "Call to run new job\n");
V(jq->mutex);
Dmsg0(2300, "Back from running new job.\n");
}
/* Clean up and release old jcr */
- if (jcr->db) {
- db_close_database(jcr, jcr->db);
- jcr->db = NULL;
- }
- Dmsg2(2300, "====== Termination job=%d use_cnt=%d\n", jcr->JobId, jcr->use_count);
+ Dmsg2(2300, "====== Termination job=%d use_cnt=%d\n", jcr->JobId, jcr->use_count());
jcr->SDJobStatus = 0;
V(jq->mutex); /* release internal lock */
free_jcr(jcr);
}
if (!acquire_resources(jcr)) {
- je = jn; /* point to next waiting job */
- continue;
+ /* If resource conflict, job is canceled */
+ if (!job_canceled(jcr)) {
+ je = jn; /* point to next waiting job */
+ continue;
+ }
}
- /* Got all locks, now remove it from wait queue and append it
- * to the ready queue
+ /*
+ * Got all locks, now remove it from wait queue and append it
+ * to the ready queue. Note, we may also get here if the
+ * job was canceled. Once it is "run", it will quickly
+ * terminate.
*/
- jcr->acquired_resource_locks = true;
jq->waiting_jobs->remove(je);
jq->ready_jobs->append(je);
Dmsg1(2300, "moved JobId=%d from wait to ready queue\n", je->jcr->JobId);
{
bool skip_this_jcr = false;
- if (jcr->JobType == JT_RESTORE || jcr->JobType == JT_VERIFY) {
- /*
- * Let only one Restore/verify job run at a time regardless
- * of MaxConcurrentJobs.
- */
- if (jcr->store->NumConcurrentJobs == 0) {
- jcr->store->NumConcurrentJobs = 1;
+ jcr->acquired_resource_locks = false;
+ if (jcr->rstore == jcr->wstore) { /* deadlock */
+ Jmsg(jcr, M_FATAL, 0, _("Job canceled. Attempt to read and write same device.\n"
+ " Read storage \"%s\" (From %s) -- Write storage \"%s\" (From %s)\n"),
+ jcr->rstore->name(), jcr->rstore_source, jcr->wstore->name(), jcr->wstore_source);
+ set_jcr_job_status(jcr, JS_Canceled);
+ return false;
+ }
+ if (jcr->rstore) {
+ Dmsg1(200, "Rstore=%s\n", jcr->rstore->name());
+ if (jcr->rstore->NumConcurrentJobs == 0 &&
+ jcr->rstore->NumConcurrentJobs < jcr->rstore->MaxConcurrentJobs) {
+ /* Simple case, first job */
+ jcr->rstore->NumConcurrentJobs = 1;
+ Dmsg0(200, "Set rncj=1\n");
+ /* We can do this only if multi-drive autochanger */
+// } else if (jcr->rstore->NumConcurrentJobs < jcr->rstore->MaxConcurrentJobs) {
+// jcr->rstore->NumConcurrentJobs++;
+// Dmsg1(200, "Inc rncj=%d\n", jcr->rstore->NumConcurrentJobs);
} else {
+ Dmsg1(200, "Fail rncj=%d\n", jcr->rstore->NumConcurrentJobs);
set_jcr_job_status(jcr, JS_WaitStoreRes);
return false;
}
- /* We are not doing a Restore or Verify */
- } else if (jcr->store->NumConcurrentJobs == 0 &&
- jcr->store->NumConcurrentJobs < jcr->store->MaxConcurrentJobs) {
- /* Simple case, first job */
- jcr->store->NumConcurrentJobs = 1;
- } else if (jcr->store->NumConcurrentJobs < jcr->store->MaxConcurrentJobs) {
- jcr->store->NumConcurrentJobs++;
- } else {
- skip_this_jcr = true;
+ }
+
+ if (jcr->wstore) {
+ Dmsg1(200, "Wstore=%s\n", jcr->wstore->name());
+ if (jcr->wstore->NumConcurrentJobs == 0 &&
+ jcr->wstore->NumConcurrentJobs < jcr->wstore->MaxConcurrentJobs) {
+ /* Simple case, first job */
+ jcr->wstore->NumConcurrentJobs = 1;
+ Dmsg0(200, "Set wncj=1\n");
+ } else if (jcr->wstore->NumConcurrentJobs < jcr->wstore->MaxConcurrentJobs) {
+ jcr->wstore->NumConcurrentJobs++;
+ Dmsg1(200, "Inc wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ } else if (jcr->rstore) {
+ jcr->rstore->NumConcurrentJobs--; /* back out rstore */
+ Dmsg1(200, "Fail wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ ASSERT(jcr->rstore->NumConcurrentJobs >= 0);
+ skip_this_jcr = true;
+ } else {
+ Dmsg1(200, "Fail wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ skip_this_jcr = true;
+ }
}
if (skip_this_jcr) {
set_jcr_job_status(jcr, JS_WaitStoreRes);
jcr->client->NumConcurrentJobs++;
} else {
/* Back out previous locks */
- jcr->store->NumConcurrentJobs--;
+ if (jcr->wstore) {
+ jcr->wstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ ASSERT(jcr->wstore->NumConcurrentJobs >= 0);
+ }
+ if (jcr->rstore) {
+ jcr->rstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
+ ASSERT(jcr->rstore->NumConcurrentJobs >= 0);
+ }
set_jcr_job_status(jcr, JS_WaitClientRes);
return false;
}
jcr->job->NumConcurrentJobs++;
} else {
/* Back out previous locks */
- jcr->store->NumConcurrentJobs--;
+ if (jcr->wstore) {
+ jcr->wstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec wncj=%d\n", jcr->wstore->NumConcurrentJobs);
+ ASSERT(jcr->wstore->NumConcurrentJobs >= 0);
+ }
+ if (jcr->rstore) {
+ jcr->rstore->NumConcurrentJobs--;
+ Dmsg1(200, "Dec rncj=%d\n", jcr->rstore->NumConcurrentJobs);
+ ASSERT(jcr->rstore->NumConcurrentJobs >= 0);
+ }
jcr->client->NumConcurrentJobs--;
set_jcr_job_status(jcr, JS_WaitJobRes);
return false;
}
- /* Check actual device availability */
- /* ***FIXME****/
+
+ jcr->acquired_resource_locks = true;
return true;
}
projects / bacula / bacula / blobdiff