diff --git a/cron.php b/cron.php
index c4bc9e9667..c8ce5e2b50 100644
--- a/cron.php
+++ b/cron.php
@@ -138,6 +138,7 @@ try {
$executedJobs = [];
while ($job = $jobList->getNext()) {
if (isset($executedJobs[$job->getId()])) {
+ $jobList->unlockJob($job);
break;
}
diff --git a/db_structure.xml b/db_structure.xml
index 6e57b003fc..24b5a4b748 100644
--- a/db_structure.xml
+++ b/db_structure.xml
@@ -968,12 +968,29 @@
+
last_run
integer
false
+
+
+ last_checked
+ integer
+
+ false
+
+
+
+
+ reserved_at
+ integer
+
+ false
+
+
job_class_index
diff --git a/lib/private/BackgroundJob/JobList.php b/lib/private/BackgroundJob/JobList.php
index 2429b83044..c84969776c 100644
--- a/lib/private/BackgroundJob/JobList.php
+++ b/lib/private/BackgroundJob/JobList.php
@@ -25,27 +25,34 @@
namespace OC\BackgroundJob;
use OCP\AppFramework\QueryException;
+use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\IJob;
use OCP\BackgroundJob\IJobList;
use OCP\AutoloadNotAllowedException;
use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IConfig;
+use OCP\IDBConnection;
class JobList implements IJobList {
- /** @var \OCP\IDBConnection */
+
+ /** @var IDBConnection */
protected $connection;
- /**
- * @var \OCP\IConfig $config
- */
+ /**@var IConfig */
protected $config;
+ /**@var ITimeFactory */
+ protected $timeFactory;
+
/**
- * @param \OCP\IDBConnection $connection
- * @param \OCP\IConfig $config
+ * @param IDBConnection $connection
+ * @param IConfig $config
+ * @param ITimeFactory $timeFactory
*/
- public function __construct($connection, $config) {
+ public function __construct(IDBConnection $connection, IConfig $config, ITimeFactory $timeFactory) {
$this->connection = $connection;
$this->config = $config;
+ $this->timeFactory = $timeFactory;
}
/**
@@ -71,6 +78,7 @@ class JobList implements IJobList {
'class' => $query->createNamedParameter($class),
'argument' => $query->createNamedParameter($argument),
'last_run' => $query->createNamedParameter(0, IQueryBuilder::PARAM_INT),
+ 'last_checked' => $query->createNamedParameter($this->timeFactory->getTime(), IQueryBuilder::PARAM_INT),
]);
$query->execute();
}
@@ -167,45 +175,40 @@ class JobList implements IJobList {
* @return IJob|null
*/
public function getNext() {
- $lastId = $this->getLastJob();
-
$query = $this->connection->getQueryBuilder();
$query->select('*')
->from('jobs')
- ->where($query->expr()->lt('id', $query->createNamedParameter($lastId, IQueryBuilder::PARAM_INT)))
- ->orderBy('id', 'DESC')
+ ->where($query->expr()->lte('reserved_at', $query->createNamedParameter($this->timeFactory->getTime() - 12 * 3600, IQueryBuilder::PARAM_INT)))
+ ->orderBy('last_checked', 'ASC')
->setMaxResults(1);
+
+ $update = $this->connection->getQueryBuilder();
+ $update->update('jobs')
+ ->set('reserved_at', $update->createNamedParameter($this->timeFactory->getTime()))
+ ->set('last_checked', $update->createNamedParameter($this->timeFactory->getTime()))
+ ->where($update->expr()->eq('id', $update->createParameter('jobid')));
+
+ $this->connection->lockTable('jobs');
$result = $query->execute();
$row = $result->fetch();
$result->closeCursor();
if ($row) {
- $jobId = $row['id'];
+ $update->setParameter('jobid', $row['id']);
+ $update->execute();
+ $this->connection->unlockTable();
+
$job = $this->buildJob($row);
- } else {
- //begin at the start of the queue
- $query = $this->connection->getQueryBuilder();
- $query->select('*')
- ->from('jobs')
- ->orderBy('id', 'DESC')
- ->setMaxResults(1);
- $result = $query->execute();
- $row = $result->fetch();
- $result->closeCursor();
- if ($row) {
- $jobId = $row['id'];
- $job = $this->buildJob($row);
- } else {
- return null; //empty job list
+ if ($job === null) {
+ // Background job from disabled app, try again.
+ return $this->getNext();
}
- }
- if (is_null($job)) {
- $this->removeById($jobId);
- return $this->getNext();
- } else {
return $job;
+ } else {
+ $this->connection->unlockTable();
+ return null;
}
}
@@ -267,13 +270,30 @@ class JobList implements IJobList {
* @param IJob $job
*/
public function setLastJob($job) {
+ $this->unlockJob($job);
$this->config->setAppValue('backgroundjob', 'lastjob', $job->getId());
}
+ /**
+ * Remove the reservation for a job
+ *
+ * @param IJob $job
+ */
+ public function unlockJob($job) {
+ $query = $this->connection->getQueryBuilder();
+ $query->update('jobs')
+ ->set('reserved_at', $query->expr()->literal(0, IQueryBuilder::PARAM_INT))
+ ->where($query->expr()->eq('id', $query->createNamedParameter($job->getId(), IQueryBuilder::PARAM_INT)));
+ $query->execute();
+ }
+
/**
* get the id of the last ran job
*
* @return int
+ * @deprecated 9.1.0 - The functionality behind the value is deprecated, it
+ * only tells you which job finished last, but since we now allow multiple
+ * executors to run in parallel, it's not used to calculate the next job.
*/
public function getLastJob() {
return (int) $this->config->getAppValue('backgroundjob', 'lastjob', 0);
diff --git a/lib/private/Server.php b/lib/private/Server.php
index a4294ee2c8..0b7b8f9e40 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -362,7 +362,11 @@ class Server extends ServerContainer implements IServerContainer {
});
$this->registerService('JobList', function (Server $c) {
$config = $c->getConfig();
- return new \OC\BackgroundJob\JobList($c->getDatabaseConnection(), $config);
+ return new \OC\BackgroundJob\JobList(
+ $c->getDatabaseConnection(),
+ $config,
+ new TimeFactory()
+ );
});
$this->registerService('Router', function (Server $c) {
$cacheFactory = $c->getMemCacheFactory();
diff --git a/lib/public/BackgroundJob/IJobList.php b/lib/public/BackgroundJob/IJobList.php
index 5a76ce1ba2..9e401e6841 100644
--- a/lib/public/BackgroundJob/IJobList.php
+++ b/lib/public/BackgroundJob/IJobList.php
@@ -92,11 +92,22 @@ interface IJobList {
*/
public function setLastJob($job);
+ /**
+ * Remove the reservation for a job
+ *
+ * @param IJob $job
+ * @since 9.1.0
+ */
+ public function unlockJob($job);
+
/**
* get the id of the last ran job
*
* @return int
* @since 7.0.0
+ * @deprecated 9.1.0 - The functionality behind the value is deprecated, it
+ * only tells you which job finished last, but since we now allow multiple
+ * executors to run in parallel, it's not used to calculate the next job.
*/
public function getLastJob();
diff --git a/tests/lib/BackgroundJob/JobListTest.php b/tests/lib/BackgroundJob/JobListTest.php
index 6eed804bc3..b8dcb735a2 100644
--- a/tests/lib/BackgroundJob/JobListTest.php
+++ b/tests/lib/BackgroundJob/JobListTest.php
@@ -9,7 +9,7 @@
namespace Test\BackgroundJob;
use OCP\BackgroundJob\IJob;
-use OCP\IDBConnection;
+use OCP\DB\QueryBuilder\IQueryBuilder;
use Test\TestCase;
/**
@@ -22,20 +22,31 @@ class JobListTest extends TestCase {
/** @var \OC\BackgroundJob\JobList */
protected $instance;
+ /** @var \OCP\IDBConnection */
+ protected $connection;
+
/** @var \OCP\IConfig|\PHPUnit_Framework_MockObject_MockObject */
protected $config;
+ /** @var \OCP\AppFramework\Utility\ITimeFactory|\PHPUnit_Framework_MockObject_MockObject */
+ protected $timeFactory;
+
protected function setUp() {
parent::setUp();
- $connection = \OC::$server->getDatabaseConnection();
- $this->clearJobsList($connection);
- $this->config = $this->getMock('\OCP\IConfig');
- $this->instance = new \OC\BackgroundJob\JobList($connection, $this->config);
+ $this->connection = \OC::$server->getDatabaseConnection();
+ $this->clearJobsList();
+ $this->config = $this->getMock('OCP\IConfig');
+ $this->timeFactory = $this->getMock('OCP\AppFramework\Utility\ITimeFactory');
+ $this->instance = new \OC\BackgroundJob\JobList(
+ $this->connection,
+ $this->config,
+ $this->timeFactory
+ );
}
- protected function clearJobsList(IDBConnection $connection) {
- $query = $connection->getQueryBuilder();
+ protected function clearJobsList() {
+ $query = $this->connection->getQueryBuilder();
$query->delete('jobs');
$query->execute();
}
@@ -131,8 +142,6 @@ class JobListTest extends TestCase {
$this->instance->add($job, $argument);
$this->assertFalse($this->instance->has($job, 10));
-
- $this->instance->remove($job, $argument);
}
public function testGetLastJob() {
@@ -144,50 +153,65 @@ class JobListTest extends TestCase {
$this->assertEquals(15, $this->instance->getLastJob());
}
+ protected function createTempJob($class, $argument, $reservedTime = 0, $lastChecked = 0) {
+ if ($lastChecked === 0) {
+ $lastChecked = time();
+ }
+
+ $query = $this->connection->getQueryBuilder();
+ $query->insert('jobs')
+ ->values([
+ 'class' => $query->createNamedParameter($class),
+ 'argument' => $query->createNamedParameter($argument),
+ 'last_run' => $query->createNamedParameter(0, IQueryBuilder::PARAM_INT),
+ 'last_checked' => $query->createNamedParameter($lastChecked, IQueryBuilder::PARAM_INT),
+ 'reserved_at' => $query->createNamedParameter($reservedTime, IQueryBuilder::PARAM_INT),
+ ]);
+ $query->execute();
+ }
+
public function testGetNext() {
$job = new TestJob();
- $this->instance->add($job, 1);
- $this->instance->add($job, 2);
+ $this->createTempJob(get_class($job), 1, 0, 12345);
+ $this->createTempJob(get_class($job), 2, 0, 12346);
$jobs = $this->getAllSorted();
+ $savedJob1 = $jobs[0];
- $savedJob1 = $jobs[count($jobs) - 2];
- $savedJob2 = $jobs[count($jobs) - 1];
-
- $this->config->expects($this->once())
- ->method('getAppValue')
- ->with('backgroundjob', 'lastjob', 0)
- ->will($this->returnValue($savedJob2->getId()));
-
+ $this->timeFactory->expects($this->atLeastOnce())
+ ->method('getTime')
+ ->willReturn(123456789);
$nextJob = $this->instance->getNext();
$this->assertEquals($savedJob1, $nextJob);
-
- $this->instance->remove($job, 1);
- $this->instance->remove($job, 2);
}
- public function testGetNextWrapAround() {
+ public function testGetNextSkipReserved() {
$job = new TestJob();
- $this->instance->add($job, 1);
- $this->instance->add($job, 2);
-
- $jobs = $this->getAllSorted();
-
- $savedJob1 = $jobs[count($jobs) - 2];
- $savedJob2 = $jobs[count($jobs) - 1];
-
- $this->config->expects($this->once())
- ->method('getAppValue')
- ->with('backgroundjob', 'lastjob', 0)
- ->will($this->returnValue($savedJob1->getId()));
+ $this->createTempJob(get_class($job), 1, 123456789, 12345);
+ $this->createTempJob(get_class($job), 2, 0, 12346);
+ $this->timeFactory->expects($this->atLeastOnce())
+ ->method('getTime')
+ ->willReturn(123456789);
$nextJob = $this->instance->getNext();
- $this->assertEquals($savedJob2, $nextJob);
+ $this->assertEquals(get_class($job), get_class($nextJob));
+ $this->assertEquals(2, $nextJob->getArgument());
+ }
- $this->instance->remove($job, 1);
- $this->instance->remove($job, 2);
+ public function testGetNextSkipNonExisting() {
+ $job = new TestJob();
+ $this->createTempJob('\OC\Non\Existing\Class', 1, 0, 12345);
+ $this->createTempJob(get_class($job), 2, 0, 12346);
+
+ $this->timeFactory->expects($this->atLeastOnce())
+ ->method('getTime')
+ ->willReturn(123456789);
+ $nextJob = $this->instance->getNext();
+
+ $this->assertEquals(get_class($job), get_class($nextJob));
+ $this->assertEquals(2, $nextJob->getArgument());
}
/**
@@ -203,8 +227,6 @@ class JobListTest extends TestCase {
$addedJob = $jobs[count($jobs) - 1];
$this->assertEquals($addedJob, $this->instance->getById($addedJob->getId()));
-
- $this->instance->remove($job, $argument);
}
public function testSetLastRun() {
@@ -223,33 +245,5 @@ class JobListTest extends TestCase {
$this->assertGreaterThanOrEqual($timeStart, $addedJob->getLastRun());
$this->assertLessThanOrEqual($timeEnd, $addedJob->getLastRun());
-
- $this->instance->remove($job);
- }
-
- public function testGetNextNonExisting() {
- $job = new TestJob();
- $this->instance->add($job, 1);
- $this->instance->add('\OC\Non\Existing\Class');
- $this->instance->add($job, 2);
-
- $jobs = $this->getAllSorted();
-
- $savedJob1 = $jobs[count($jobs) - 2];
- $savedJob2 = $jobs[count($jobs) - 1];
-
- $this->config->expects($this->any())
- ->method('getAppValue')
- ->with('backgroundjob', 'lastjob', 0)
- ->will($this->returnValue($savedJob1->getId()));
-
- $this->instance->getNext();
-
- $nextJob = $this->instance->getNext();
-
- $this->assertEquals($savedJob2, $nextJob);
-
- $this->instance->remove($job, 1);
- $this->instance->remove($job, 2);
}
}
diff --git a/version.php b/version.php
index d9e1ca1df1..a4f1c4dbce 100644
--- a/version.php
+++ b/version.php
@@ -26,7 +26,7 @@
// We only can count up. The 4. digit is only for the internal patchlevel to trigger DB upgrades
// between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
// when updating major/minor version number.
-$OC_Version = array(9, 1, 0, 2);
+$OC_Version = array(9, 1, 0, 3);
// The human readable string
$OC_VersionString = '9.1.0 pre alpha';