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Merge pull request #5926 from annando/defer-worker 

Poddibility to defer worker execution
This commit is contained in:
Tobias Diekershoff 2018-10-15 08:02:51 +02:00 committed by GitHub
parent 0080d117ee e2762e032c
commit 664afbcafb
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 47 additions and 10 deletions
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2
boot.php
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@ -41,7 +41,7 @@ define('FRIENDICA_PLATFORM', 'Friendica');
define('FRIENDICA_CODENAME', 'The Tazmans Flax-lily');
define('FRIENDICA_VERSION', '2018.12-dev');
define('DFRN_PROTOCOL_VERSION', '2.23');
define('DB_UPDATE_VERSION', 1285);
define('DB_UPDATE_VERSION', 1286);
define('NEW_UPDATE_ROUTINE_VERSION', 1170);
/**

6
config/dbstructure.json
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@ -1298,14 +1298,16 @@
"created": {"type": "datetime", "not null": "1", "default": "0001-01-01 00:00:00", "comment": "Creation date"},
"pid": {"type": "int unsigned", "not null": "1", "default": "0", "comment": "Process id of the worker"},
"executed": {"type": "datetime", "not null": "1", "default": "0001-01-01 00:00:00", "comment": "Execution date"},
"next_try": {"type": "datetime", "not null": "1", "default": "0001-01-01 00:00:00", "comment": "Next retrial date"},
"retrial": {"type": "tinyint", "not null": "1", "default": "0", "comment": "Retrial counter"},
"done": {"type": "boolean", "not null": "1", "default": "0", "comment": "Marked 1 when the task was done - will be deleted later"}
},
"indexes": {
"PRIMARY": ["id"],
"pid": ["pid"],
"parameter": ["parameter(64)"],
"priority_created": ["priority", "created"],
"done_executed": ["done", "executed"]
"priority_created_next_try": ["priority", "created", "next_try"],
"done_executed_next_try": ["done", "executed", "next_try"]
}
}
}

49
src/Core/Worker.php
View File

@ -8,6 +8,7 @@ use Friendica\Database\DBA;
use Friendica\Model\Process;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use Friendica\BaseObject;
require_once 'include/dba.php';
@ -152,7 +153,8 @@ class Worker
*/
private static function totalEntries()
{
return DBA::count('workerqueue', ["`executed` <= ? AND NOT `done`", NULL_DATE]);
return DBA::count('workerqueue', ["`executed` <= ? AND NOT `done` AND `next_try` < ?",
NULL_DATE, DateTimeFormat::utcNow()]);
}
/**
@ -162,7 +164,7 @@ class Worker
*/
private static function highestPriority()
{
$condition = ["`executed` <= ? AND NOT `done`", NULL_DATE];
$condition = ["`executed` <= ? AND NOT `done` AND `next_try` < ?", NULL_DATE, DateTimeFormat::utcNow()];
$workerqueue = DBA::selectFirst('workerqueue', ['priority'], $condition, ['order' => ['priority']]);
if (DBA::isResult($workerqueue)) {
return $workerqueue["priority"];
@ -180,7 +182,8 @@ class Worker
*/
private static function processWithPriorityActive($priority)
{
$condition = ["`priority` <= ? AND `executed` > ? AND NOT `done`", $priority, NULL_DATE];
$condition = ["`priority` <= ? AND `executed` > ? AND NOT `done` AND `next_try` < ?",
$priority, NULL_DATE, DateTimeFormat::utcNow()];
return DBA::exists('workerqueue', $condition);
}
@ -240,7 +243,7 @@ class Worker
self::execFunction($queue, $include, $argv, true);
$stamp = (float)microtime(true);
if (DBA::update('workerqueue', ['done' => true], ['id' => $queue["id"]])) {
if (DBA::update('workerqueue', ['done' => true], ['id' => $queue['id']])) {
Config::set('system', 'last_worker_execution', DateTimeFormat::utcNow());
}
self::$db_duration = (microtime(true) - $stamp);
@ -805,7 +808,8 @@ class Worker
$result = DBA::select(
'workerqueue',
['id'],
["`executed` <= ? AND `priority` < ? AND NOT `done`", NULL_DATE, $highest_priority],
["`executed` <= ? AND `priority` < ? AND NOT `done` AND `next_try` < ?",
NULL_DATE, $highest_priority, DateTimeFormat::utcNow()],
['limit' => $limit, 'order' => ['priority', 'created']]
);
@ -821,7 +825,8 @@ class Worker
$result = DBA::select(
'workerqueue',
['id'],
["`executed` <= ? AND `priority` > ? AND NOT `done`", NULL_DATE, $highest_priority],
["`executed` <= ? AND `priority` > ? AND NOT `done` AND `next_try` < ?",
NULL_DATE, $highest_priority, DateTimeFormat::utcNow()],
['limit' => $limit, 'order' => ['priority', 'created']]
);
@ -840,7 +845,8 @@ class Worker
$result = DBA::select(
'workerqueue',
['id'],
["`executed` <= ? AND NOT `done`", NULL_DATE],
["`executed` <= ? AND NOT `done` AND `next_try` < ?",
NULL_DATE, DateTimeFormat::utcNow()],
['limit' => $limit, 'order' => ['priority', 'created']]
);
@ -1116,6 +1122,35 @@ class Worker
return true;
}
/**
* Defers the current worker entry
*/
public static function defer()
{
if (empty(BaseObject::getApp()->queue)) {
return;
}
$queue = BaseObject::getApp()->queue;
$retrial = $queue['retrial'];
$id = $queue['id'];
if ($retrial > 14) {
logger('Id ' . $id . ' had been tried 14 times, it will be deleted now.', LOGGER_DEBUG);
DBA::delete('workerqueue', ['id' => $id]);
}
// Calculate the delay until the next trial
$delay = (($retrial + 3) ** 4) + (rand(1, 30) * ($retrial + 1));
$next = DateTimeFormat::utc('now + ' . $delay . ' seconds');
logger('Defer execution ' . $retrial . ' of id ' . $id . ' to ' . $next, LOGGER_DEBUG);
$fields = ['retrial' => $retrial + 1, 'next_try' => $next, 'executed' => NULL_DATE, 'pid' => 0];
DBA::update('workerqueue', $fields, ['id' => $id]);
}
/**
* Log active processes into the "process" table
*