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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (https://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@noladev.com> |
| 7 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. |
| 8 | * @license https://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Queue\Adapter; |
| 15 | |
| 16 | use Pop\Queue\Process\AbstractJob; |
| 17 | use Pop\Queue\Process\Task; |
| 18 | |
| 19 | /** |
| 20 | * Redis adapter class |
| 21 | * |
| 22 | * @category Pop |
| 23 | * @package Pop\Queue |
| 24 | * @author Nick Sagona, III <dev@noladev.com> |
| 25 | * @copyright Copyright (c) 2009-2026 NOLA Interactive, LLC. |
| 26 | * @license https://www.popphp.org/license New BSD License |
| 27 | * @version 2.1.3 |
| 28 | */ |
| 29 | class Redis extends AbstractTaskAdapter |
| 30 | { |
| 31 | |
| 32 | /** |
| 33 | * Redis object |
| 34 | * @var \Redis|null |
| 35 | */ |
| 36 | protected \Redis|null $redis = null; |
| 37 | |
| 38 | |
| 39 | /** |
| 40 | * Queue prefix |
| 41 | * @var string |
| 42 | */ |
| 43 | protected string $prefix = 'pop-queue'; |
| 44 | |
| 45 | /** |
| 46 | * Constructor |
| 47 | * |
| 48 | * Instantiate the redis adapter |
| 49 | * |
| 50 | * @param string $host |
| 51 | * @param int|string $port |
| 52 | * @param string $prefix |
| 53 | * @param ?string $priority |
| 54 | * @throws Exception|\RedisException |
| 55 | */ |
| 56 | public function __construct( |
| 57 | string $host = 'localhost', int|string $port = 6379, string $prefix = 'pop-queue', ?string $priority = null |
| 58 | ) |
| 59 | { |
| 60 | if (!class_exists('Redis', false)) { |
| 61 | throw new Exception('Error: Redis is not available.'); |
| 62 | } |
| 63 | |
| 64 | $this->redis = new \Redis(); |
| 65 | $this->prefix = $prefix; |
| 66 | if (!$this->redis->connect($host, (int)$port)) { |
| 67 | throw new Exception('Error: Unable to connect to the redis server.'); |
| 68 | } |
| 69 | |
| 70 | parent::__construct($priority); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Create Redis adapter |
| 75 | * |
| 76 | * @param string $host |
| 77 | * @param int|string $port |
| 78 | * @param string $prefix |
| 79 | * @param ?string $priority |
| 80 | * @throws Exception|\RedisException |
| 81 | * @return Redis |
| 82 | */ |
| 83 | public static function create( |
| 84 | string $host = 'localhost', int|string $port = 6379, string $prefix = 'pop-queue', ?string $priority = null |
| 85 | ): Redis |
| 86 | { |
| 87 | return new self($host, $port, $prefix, $priority); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Get Redis object |
| 92 | * |
| 93 | * @return \Redis|null |
| 94 | */ |
| 95 | public function getRedis(): \Redis|null |
| 96 | { |
| 97 | return $this->redis; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Get Redis object (alias) |
| 102 | * |
| 103 | * @return \Redis|null |
| 104 | */ |
| 105 | public function redis(): \Redis|null |
| 106 | { |
| 107 | return $this->redis; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Get prefix |
| 112 | * |
| 113 | * @return string |
| 114 | */ |
| 115 | public function getPrefix(): string |
| 116 | { |
| 117 | return $this->prefix; |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Get queue start index |
| 122 | * |
| 123 | * @return int |
| 124 | */ |
| 125 | public function getStart(): int |
| 126 | { |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Get queue length |
| 132 | * |
| 133 | * @return int |
| 134 | */ |
| 135 | public function getEnd(): int |
| 136 | { |
| 137 | return $this->redis->lLen($this->prefix); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Get queue job status |
| 142 | * |
| 143 | * @param int $index |
| 144 | * @return int |
| 145 | */ |
| 146 | public function getStatus(int $index): int |
| 147 | { |
| 148 | return (int)$this->redis->lIndex($this->prefix . ':status', $index); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Push job on to queue |
| 153 | * |
| 154 | * @param AbstractJob $job |
| 155 | * @return Redis |
| 156 | */ |
| 157 | public function push(AbstractJob $job): Redis |
| 158 | { |
| 159 | $status = ($job->hasFailed()) ? 2 : 1; |
| 160 | if ($job->isValid()) { |
| 161 | if (($job->hasFailed()) && ($this->isFilo())) { |
| 162 | if (($this->redis->rPush($this->prefix, serialize(clone $job))) !== false) { |
| 163 | $this->redis->rPush($this->prefix . ':status', $status); |
| 164 | } |
| 165 | } else { |
| 166 | if (($this->redis->lPush($this->prefix, serialize(clone $job))) !== false) { |
| 167 | $this->redis->lPush($this->prefix . ':status', $status); |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | return $this; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Pop job off of queue |
| 177 | * |
| 178 | * @return ?AbstractJob |
| 179 | */ |
| 180 | public function pop(): ?AbstractJob |
| 181 | { |
| 182 | $job = false; |
| 183 | $length = $this->getEnd(); |
| 184 | |
| 185 | if ($this->isFilo()) { |
| 186 | $status = $this->getStatus(0); |
| 187 | if ($status != 0) { |
| 188 | $this->redis->lSet($this->prefix . ':status', 0, 0); |
| 189 | $job = $this->redis->lPop($this->prefix); |
| 190 | $this->redis->lPop($this->prefix . ':status'); |
| 191 | } |
| 192 | } else { |
| 193 | $status = $this->getStatus($length - 1); |
| 194 | if ($status != 0) { |
| 195 | $this->redis->lSet($this->prefix . ':status', $length - 1, 0); |
| 196 | $job = $this->redis->rPop($this->prefix); |
| 197 | $this->redis->rPop($this->prefix . ':status'); |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | return ($job !== false) ? unserialize($job) : null; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Check if adapter has jobs |
| 206 | * |
| 207 | * @return bool |
| 208 | */ |
| 209 | public function hasJobs(): bool |
| 210 | { |
| 211 | return ($this->redis->lLen($this->prefix) > 0); |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Check if adapter has failed job |
| 216 | * |
| 217 | * @param int $index |
| 218 | * @return bool |
| 219 | */ |
| 220 | public function hasFailedJob(int $index): bool |
| 221 | { |
| 222 | return ($this->getStatus($index) == 2); |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Get failed job |
| 227 | * |
| 228 | * @param int $index |
| 229 | * @param bool $unserialize |
| 230 | * @return mixed |
| 231 | */ |
| 232 | public function getFailedJob(int $index, bool $unserialize = true): mixed |
| 233 | { |
| 234 | $job = null; |
| 235 | |
| 236 | if ($this->getStatus($index) == 2) { |
| 237 | $job = $this->redis->lIndex($this->prefix, $index); |
| 238 | if ($unserialize) { |
| 239 | $job = unserialize($job); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | return $job; |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Check if adapter has failed jobs |
| 248 | * |
| 249 | * @return bool |
| 250 | */ |
| 251 | public function hasFailedJobs(): bool |
| 252 | { |
| 253 | $result = false; |
| 254 | $length = $this->redis->lLen($this->prefix); |
| 255 | |
| 256 | if ($length > 0) { |
| 257 | for ($i = 0; $i < $length; $i++) { |
| 258 | if ($this->getStatus($i) == 2) { |
| 259 | $result = true; |
| 260 | break; |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | return $result; |
| 266 | } |
| 267 | |
| 268 | /** |
| 269 | * Get adapter failed jobs |
| 270 | * |
| 271 | * @param bool $unserialize |
| 272 | * @return array |
| 273 | */ |
| 274 | public function getFailedJobs(bool $unserialize = true): array |
| 275 | { |
| 276 | $jobs = []; |
| 277 | $length = $this->redis->lLen($this->prefix); |
| 278 | |
| 279 | if ($length > 0) { |
| 280 | for ($i = 0; $i < $length; $i++) { |
| 281 | if ($this->getStatus($i) == 2) { |
| 282 | $jobs[$i] = $this->getFailedJob($i, $unserialize); |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | return $jobs; |
| 288 | } |
| 289 | |
| 290 | /** |
| 291 | * Clear failed jobs out of the queue |
| 292 | * |
| 293 | * @return Redis |
| 294 | */ |
| 295 | public function clearFailed(): Redis |
| 296 | { |
| 297 | $length = $this->redis->lLen($this->prefix); |
| 298 | |
| 299 | if ($length > 0) { |
| 300 | for ($i = 0; $i < $length; $i++) { |
| 301 | if ($this->getStatus($i) == 2) { |
| 302 | $this->redis->lRem($this->prefix, $this->redis->lIndex($this->prefix, $i)); |
| 303 | $this->redis->lRem($this->prefix . ':status', $this->redis->lIndex($this->prefix . ':status', $i)); |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | return $this; |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Push job on to queue |
| 312 | * |
| 313 | * @param Task $task |
| 314 | * @return Redis |
| 315 | */ |
| 316 | public function schedule(Task $task): Redis |
| 317 | { |
| 318 | if ($task->isValid()) { |
| 319 | $this->redis->set($this->prefix . ':task-' . $task->getJobId(), serialize(clone $task)); |
| 320 | } |
| 321 | return $this; |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Get scheduled tasks |
| 326 | * |
| 327 | * @return array |
| 328 | */ |
| 329 | public function getTasks(): array |
| 330 | { |
| 331 | $taskIds = $this->redis->keys($this->prefix . ':task-*'); |
| 332 | return array_map(function($value) { |
| 333 | return substr($value, (strpos($value, ':task-') + 6)); |
| 334 | }, $taskIds); |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Get scheduled task |
| 339 | * |
| 340 | * @param string $taskId |
| 341 | * @return ?Task |
| 342 | */ |
| 343 | public function getTask(string $taskId): ?Task |
| 344 | { |
| 345 | $task = $this->redis->get($this->prefix . ':task-' . $taskId); |
| 346 | return ($task !== false) ? unserialize($task) : null; |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * Update scheduled task |
| 351 | * |
| 352 | * @param Task $task |
| 353 | * @return Redis |
| 354 | */ |
| 355 | public function updateTask(Task $task): Redis |
| 356 | { |
| 357 | if ($task->isValid()) { |
| 358 | $this->redis->set($this->prefix . ':task-' . $task->getJobId(), serialize(clone $task)); |
| 359 | } else { |
| 360 | $this->removeTask($task->getJobId()); |
| 361 | } |
| 362 | return $this; |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * Remove scheduled task |
| 367 | * |
| 368 | * @param string $taskId |
| 369 | * @return Redis |
| 370 | */ |
| 371 | public function removeTask(string $taskId): Redis |
| 372 | { |
| 373 | $this->redis->del($this->prefix . ':task-' . $taskId); |
| 374 | return $this; |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Get scheduled tasks count |
| 379 | * |
| 380 | * @return int |
| 381 | */ |
| 382 | public function getTaskCount(): int |
| 383 | { |
| 384 | $taskIds = $this->redis->keys($this->prefix . ':task-*'); |
| 385 | return count(array_map(function($value) { |
| 386 | return substr($value, (strpos($value, ':task-') + 6)); |
| 387 | }, $taskIds)); |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * Has scheduled tasks |
| 392 | * |
| 393 | * @return bool |
| 394 | */ |
| 395 | public function hasTasks(): bool |
| 396 | { |
| 397 | $taskIds = $this->redis->keys($this->prefix . ':task-*'); |
| 398 | return !empty(array_map(function($value) { |
| 399 | return substr($value, (strpos($value, ':task-') + 6)); |
| 400 | }, $taskIds)); |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Clear all scheduled task |
| 405 | * |
| 406 | * @return Redis |
| 407 | */ |
| 408 | public function clearTasks(): Redis |
| 409 | { |
| 410 | $taskIds = $this->getTasks(); |
| 411 | |
| 412 | foreach ($taskIds as $taskId) { |
| 413 | $this->removeTask($taskId); |
| 414 | } |
| 415 | return $this; |
| 416 | } |
| 417 | |
| 418 | |
| 419 | /** |
| 420 | * Clear jobs out of queue |
| 421 | * |
| 422 | * @return Redis |
| 423 | */ |
| 424 | public function clear(): Redis |
| 425 | { |
| 426 | $taskIds = $this->redis->keys($this->prefix . ':task-*'); |
| 427 | foreach ($taskIds as $taskId) { |
| 428 | $this->redis->del($taskId); |
| 429 | } |
| 430 | |
| 431 | $this->redis->del($this->prefix . ':status'); |
| 432 | $this->redis->del($this->prefix); |
| 433 | |
| 434 | return $this; |
| 435 | } |
| 436 | |
| 437 | } |