| 1 |
<?php |
| 2 |
|
| 3 |
namespace SyncBasalam; |
| 4 |
|
| 5 |
use SyncBasalam\Admin\Settings; |
| 6 |
use SyncBasalam\Services\Api\CircuitBreaker; |
| 7 |
|
| 8 |
defined('ABSPATH') || exit; |
| 9 |
|
| 10 |
class JobsRunner |
| 11 |
{ |
| 12 |
private const ASYNC_ACTION = 'sync_basalam_run_jobs_async'; |
| 13 |
private const ASYNC_DISPATCH_LOCK_TRANSIENT = 'sync_basalam_jobs_runner_async_dispatch_lock'; |
| 14 |
private const ASYNC_DISPATCH_LOCK_SECONDS = 1; |
| 15 |
private const ASYNC_TIME_LIMIT_SECONDS = 20; |
| 16 |
private const GLOBAL_RUNNER_LAST_RUN_OPTION = 'sync_basalam_jobs_runner_last_run'; |
| 17 |
private const STALE_PROCESSING_TIMEOUT_SECONDS = 120; |
| 18 |
|
| 19 |
private $jobExecutor; |
| 20 |
private $jobManager; |
| 21 |
private $discountScheduler; |
| 22 |
private $CheckHttpBlockService; |
| 23 |
|
| 24 |
public function __construct( |
| 25 |
$jobManager, |
| 26 |
$jobExecutor, |
| 27 |
$discountScheduler, |
| 28 |
$CheckHttpBlockService |
| 29 |
) { |
| 30 |
add_action('wp_ajax_' . self::ASYNC_ACTION, [$this, 'handleAsyncRequest']); |
| 31 |
add_action('wp_ajax_nopriv_' . self::ASYNC_ACTION, [$this, 'handleAsyncRequest']); |
| 32 |
// Keep database work out of shutdown, where another callback may have |
| 33 |
// left the shared mysqli connection with an unread result set. |
| 34 |
add_action('init', [$this, 'maybeDispatchAsyncRequest'], 10, 0); |
| 35 |
add_action('sync_basalam_job_created', [$this, 'maybeDispatchAsyncRequest'], 10, 0); |
| 36 |
|
| 37 |
$this->jobManager = $jobManager; |
| 38 |
$this->jobExecutor = $jobExecutor; |
| 39 |
$this->discountScheduler = $discountScheduler; |
| 40 |
$this->CheckHttpBlockService = $CheckHttpBlockService; |
| 41 |
} |
| 42 |
|
| 43 |
public function maybeDispatchAsyncRequest(): void |
| 44 |
{ |
| 45 |
// Retain a guard for third-party callers that may still invoke this |
| 46 |
// method during shutdown even though no shutdown hook is registered. |
| 47 |
if (function_exists('did_action') && did_action('shutdown')) return; |
| 48 |
if ($this->isCurrentAsyncRequest()) return; |
| 49 |
if ($this->CheckHttpBlockService->SyncBasalamHttpBlock()) return; |
| 50 |
if (get_transient(self::ASYNC_DISPATCH_LOCK_TRANSIENT)) return; |
| 51 |
|
| 52 |
if (!$this->jobManager->hasPendingOrStaleProcessingJobs(self::STALE_PROCESSING_TIMEOUT_SECONDS)) { |
| 53 |
return; |
| 54 |
} |
| 55 |
|
| 56 |
set_transient( |
| 57 |
self::ASYNC_DISPATCH_LOCK_TRANSIENT, |
| 58 |
1, |
| 59 |
self::ASYNC_DISPATCH_LOCK_SECONDS |
| 60 |
); |
| 61 |
|
| 62 |
$this->dispatchAsyncRequest(); |
| 63 |
} |
| 64 |
|
| 65 |
public function handleAsyncRequest(): void |
| 66 |
{ |
| 67 |
if (!check_ajax_referer(self::ASYNC_ACTION, 'nonce', false)) { |
| 68 |
wp_send_json_error(['message' => 'Invalid async jobs runner nonce.'], 403); |
| 69 |
} |
| 70 |
|
| 71 |
if (function_exists('ignore_user_abort')) { |
| 72 |
ignore_user_abort(true); |
| 73 |
} |
| 74 |
|
| 75 |
if (function_exists('session_write_close')) { |
| 76 |
session_write_close(); |
| 77 |
} |
| 78 |
|
| 79 |
$processed = $this->runAsyncBatch(); |
| 80 |
|
| 81 |
wp_send_json_success(['processed' => $processed]); |
| 82 |
} |
| 83 |
|
| 84 |
public function checkAndRunJobs(): bool |
| 85 |
{ |
| 86 |
if ($this->CheckHttpBlockService->SyncBasalamHttpBlock()) return false; |
| 87 |
if (!$this->jobExecutor->acquireGlobalJobsLock(0)) return false; |
| 88 |
|
| 89 |
try { |
| 90 |
return $this->runEligibleJobs(); |
| 91 |
} finally { |
| 92 |
$this->jobExecutor->releaseGlobalJobsLock(); |
| 93 |
} |
| 94 |
} |
| 95 |
|
| 96 |
private function runAsyncBatch(): int |
| 97 |
{ |
| 98 |
$processed = 0; |
| 99 |
$deadline = microtime(true) + (float) apply_filters( |
| 100 |
'sync_basalam_jobs_runner_async_time_limit', |
| 101 |
self::ASYNC_TIME_LIMIT_SECONDS |
| 102 |
); |
| 103 |
|
| 104 |
while (microtime(true) < $deadline) { |
| 105 |
if (!$this->jobManager->hasPendingOrStaleProcessingJobs(self::STALE_PROCESSING_TIMEOUT_SECONDS)) { |
| 106 |
break; |
| 107 |
} |
| 108 |
|
| 109 |
$ranJob = $this->checkAndRunJobs(); |
| 110 |
|
| 111 |
if ($ranJob) { |
| 112 |
$processed++; |
| 113 |
} |
| 114 |
|
| 115 |
$delay = $this->secondsUntilNextAllowedRun(); |
| 116 |
if ($delay <= 0.0) { |
| 117 |
if (!$ranJob) break; |
| 118 |
continue; |
| 119 |
} |
| 120 |
|
| 121 |
if ((microtime(true) + $delay) >= $deadline) { |
| 122 |
break; |
| 123 |
} |
| 124 |
|
| 125 |
usleep((int) ($delay * 1000000)); |
| 126 |
} |
| 127 |
|
| 128 |
return $processed; |
| 129 |
} |
| 130 |
|
| 131 |
private function runEligibleJobs(): bool |
| 132 |
{ |
| 133 |
$this->jobManager->ConvertStaleProcessingJobs(self::STALE_PROCESSING_TIMEOUT_SECONDS); |
| 134 |
$this->discountScheduler->process(); |
| 135 |
|
| 136 |
$circuitBreaker = new CircuitBreaker(); |
| 137 |
if ($circuitBreaker->getState() === CircuitBreaker::STATE_OPEN) { |
| 138 |
return false; |
| 139 |
} |
| 140 |
|
| 141 |
if ($this->jobManager->hasAnyProcessingJob()) { |
| 142 |
return false; |
| 143 |
} |
| 144 |
|
| 145 |
$lastRun = floatval(get_option(self::GLOBAL_RUNNER_LAST_RUN_OPTION, 0)); |
| 146 |
$now = microtime(true); |
| 147 |
|
| 148 |
if (($now - $lastRun) < $this->getRunThresholdSeconds()) { |
| 149 |
return false; |
| 150 |
} |
| 151 |
|
| 152 |
$sortedJobTypes = $this->jobExecutor->getSortedJobTypes(); |
| 153 |
|
| 154 |
foreach ($sortedJobTypes as $jobType => $jobExecutor) { |
| 155 |
if (!$this->jobExecutor->canRun($jobType)) { |
| 156 |
continue; |
| 157 |
} |
| 158 |
|
| 159 |
$job = $this->jobManager->getNextEligibleJob($jobType); |
| 160 |
$processingJob = $this->jobManager->getJob(['job_type' => $jobType, 'status' => 'processing']); |
| 161 |
|
| 162 |
if (!$job || $processingJob) { |
| 163 |
continue; |
| 164 |
} |
| 165 |
|
| 166 |
update_option(self::GLOBAL_RUNNER_LAST_RUN_OPTION, microtime(true), false); |
| 167 |
|
| 168 |
$this->jobManager->updateJob( |
| 169 |
['status' => 'processing', 'started_at' => time()], |
| 170 |
['id' => $job->id] |
| 171 |
); |
| 172 |
|
| 173 |
$this->executeJob($job); |
| 174 |
return true; |
| 175 |
} |
| 176 |
|
| 177 |
return false; |
| 178 |
} |
| 179 |
|
| 180 |
private function executeJob(object $job): void |
| 181 |
{ |
| 182 |
$jobType = $job->job_type; |
| 183 |
$this->jobExecutor->execute($jobType, $job); |
| 184 |
} |
| 185 |
|
| 186 |
private function dispatchAsyncRequest(): void |
| 187 |
{ |
| 188 |
$url = add_query_arg('action', self::ASYNC_ACTION, admin_url('admin-ajax.php')); |
| 189 |
|
| 190 |
wp_remote_post(esc_url_raw($url), [ |
| 191 |
'timeout' => 0.01, |
| 192 |
'blocking' => false, |
| 193 |
'body' => [ |
| 194 |
'action' => self::ASYNC_ACTION, |
| 195 |
'nonce' => wp_create_nonce(self::ASYNC_ACTION), |
| 196 |
], |
| 197 |
'cookies' => $_COOKIE, |
| 198 |
'sslverify' => apply_filters('https_local_ssl_verify', false), |
| 199 |
'headers' => [ |
| 200 |
'X-WP-Async-Request' => self::ASYNC_ACTION, |
| 201 |
], |
| 202 |
]); |
| 203 |
} |
| 204 |
|
| 205 |
private function isCurrentAsyncRequest(): bool |
| 206 |
{ |
| 207 |
if (!wp_doing_ajax()) return false; |
| 208 |
|
| 209 |
$action = isset($_REQUEST['action']) ? sanitize_key(wp_unslash($_REQUEST['action'])) : ''; |
| 210 |
|
| 211 |
return $action === self::ASYNC_ACTION; |
| 212 |
} |
| 213 |
|
| 214 |
private function secondsUntilNextAllowedRun(): float |
| 215 |
{ |
| 216 |
$lastRun = floatval(get_option(self::GLOBAL_RUNNER_LAST_RUN_OPTION, 0)); |
| 217 |
$elapsed = microtime(true) - $lastRun; |
| 218 |
|
| 219 |
return max(0.0, $this->getRunThresholdSeconds() - $elapsed); |
| 220 |
} |
| 221 |
|
| 222 |
private function getRunThresholdSeconds(): float |
| 223 |
{ |
| 224 |
$tasksPerMinute = max(1, intval(Settings::getEffectiveTasksPerMinute())); |
| 225 |
|
| 226 |
return 60.0 / $tasksPerMinute; |
| 227 |
} |
| 228 |
} |
| 229 |
|
