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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Http\Client\Handler; |
| 16 | |
| 17 | use Pop\Http\Auth; |
| 18 | use Pop\Http\Client; |
| 19 | use Pop\Http\Client\Request; |
| 20 | use Pop\Http\Client\Response; |
| 21 | use Pop\Http\Promise; |
| 22 | |
| 23 | /** |
| 24 | * HTTP client curl multi handler class |
| 25 | * |
| 26 | * @category Pop |
| 27 | * @package Pop\Http |
| 28 | * @author Nick Sagona, III <nick@popphp.org> |
| 29 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 30 | * @license https://www.popphp.org/license New BSD License |
| 31 | * @version 6.0.0 |
| 32 | */ |
| 33 | class CurlMulti extends AbstractCurl |
| 34 | { |
| 35 | |
| 36 | /** |
| 37 | * Curl clients |
| 38 | * @var array |
| 39 | */ |
| 40 | protected array $clients = []; |
| 41 | |
| 42 | /** |
| 43 | * Constructor |
| 44 | * |
| 45 | * Instantiate the Curl multi handler object |
| 46 | * |
| 47 | * @param ?array $options |
| 48 | * @throws Exception |
| 49 | */ |
| 50 | public function __construct(?array $options = null) |
| 51 | { |
| 52 | if (!function_exists('curl_multi_init')) { |
| 53 | throw new Exception('Error: Curl multi handler support is not available.'); |
| 54 | } |
| 55 | |
| 56 | $this->resource = curl_multi_init(); |
| 57 | |
| 58 | if (!empty($options)) { |
| 59 | $this->setOptions($options); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Factory method to create a Curl multi handler |
| 65 | * |
| 66 | * @param ?array $options |
| 67 | * @return CurlMulti |
| 68 | */ |
| 69 | public static function create(?array $options = null): CurlMulti |
| 70 | { |
| 71 | return new self($options); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Set Curl option |
| 76 | * |
| 77 | * @param int $opt |
| 78 | * @param mixed $val |
| 79 | * @return AbstractCurl |
| 80 | */ |
| 81 | public function setOption(int $opt, mixed $val): AbstractCurl |
| 82 | { |
| 83 | parent::setOption($opt, $val); |
| 84 | curl_multi_setopt($this->resource, $opt, $val); |
| 85 | |
| 86 | return $this; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Add Curl client |
| 91 | * |
| 92 | * @param Client $curlClient |
| 93 | * @param ?string $name |
| 94 | * @return CurlMulti |
| 95 | */ |
| 96 | public function addClient(Client $curlClient, ?string $name = null): CurlMulti |
| 97 | { |
| 98 | if (!in_array($curlClient, $this->clients) && ($curlClient->hasHandler())) { |
| 99 | if ($name !== null) { |
| 100 | $this->clients[$name] = $curlClient; |
| 101 | } else { |
| 102 | $this->clients[] = $curlClient; |
| 103 | } |
| 104 | |
| 105 | $curlClient->getHandler()->prepare($curlClient->getRequest(), $curlClient->getAuth()); |
| 106 | |
| 107 | curl_multi_add_handle($this->resource, $curlClient->getHandler()->resource()); |
| 108 | } |
| 109 | |
| 110 | return $this; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Add Curl clients |
| 115 | * |
| 116 | * @param array $clients |
| 117 | * @return CurlMulti |
| 118 | */ |
| 119 | public function addClients(array $clients): CurlMulti |
| 120 | { |
| 121 | foreach ($clients as $name => $client) { |
| 122 | if (is_numeric($name)) { |
| 123 | $name = null; |
| 124 | } |
| 125 | $this->addClient($client, $name); |
| 126 | } |
| 127 | |
| 128 | return $this; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Get Curl client |
| 133 | * |
| 134 | * @return Client|null |
| 135 | */ |
| 136 | public function getClient(string $name): Client|null |
| 137 | { |
| 138 | return $this->clients[$name] ?? null; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Has Curl client |
| 143 | * |
| 144 | * @return bool |
| 145 | */ |
| 146 | public function hasClient(string $name): bool |
| 147 | { |
| 148 | return isset($this->clients[$name]); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Get Curl clients |
| 153 | * |
| 154 | * @return array |
| 155 | */ |
| 156 | public function getClients(): array |
| 157 | { |
| 158 | return $this->clients; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Remove Curl client |
| 163 | * |
| 164 | * @param ?string $name |
| 165 | * @param Client|null $curlClient |
| 166 | * @throws Exception |
| 167 | * @return CurlMulti |
| 168 | */ |
| 169 | public function removeClient(?string $name = null, Client|null $curlClient = null): CurlMulti |
| 170 | { |
| 171 | if (($name !== null) && isset($this->clients[$name])) { |
| 172 | $curlClient = $this->clients[$name]; |
| 173 | unset($this->clients[$name]); |
| 174 | } else if ($curlClient !== null) { |
| 175 | foreach ($this->clients as $i => $client) { |
| 176 | if ($client == $curlClient) { |
| 177 | unset($this->clients[$i]); |
| 178 | } |
| 179 | } |
| 180 | } else { |
| 181 | throw new Exception('Error: You must pass at least a name or client parameter.'); |
| 182 | } |
| 183 | |
| 184 | $curlResource = $curlClient->getHandler()?->resource(); |
| 185 | |
| 186 | if (!empty($curlResource)) { |
| 187 | curl_multi_remove_handle($this->resource, $curlResource); |
| 188 | } |
| 189 | |
| 190 | return $this; |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Get Curl client content |
| 195 | * |
| 196 | * @param string|Client $curlClient |
| 197 | * @return Client|string|null |
| 198 | */ |
| 199 | public function getClientContent(string|Client $curlClient): Client|string|null |
| 200 | { |
| 201 | if (is_string($curlClient)) { |
| 202 | if (!isset($this->clients[$curlClient]) || !($this->clients[$curlClient] instanceof Client)) { |
| 203 | return null; |
| 204 | } |
| 205 | $curlClient = $this->clients[$curlClient]; |
| 206 | } |
| 207 | |
| 208 | $curlResource = $curlClient->getHandler()?->resource(); |
| 209 | $response = (!empty($curlResource)) ? curl_multi_getcontent($curlResource) : null; |
| 210 | |
| 211 | if (!empty($response)) { |
| 212 | $handler = $curlClient->getHandler(); |
| 213 | if ($handler instanceof Curl) { |
| 214 | $handler->setResponse($response); |
| 215 | } |
| 216 | return $curlClient; |
| 217 | } else { |
| 218 | return $response; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Get Curl response content |
| 224 | * |
| 225 | * @param string|Client $curlClient |
| 226 | * @return mixed |
| 227 | */ |
| 228 | public function parseResponse(string|Client $curlClient): mixed |
| 229 | { |
| 230 | $response = $this->getClientContent($curlClient); |
| 231 | |
| 232 | if ($curlClient instanceof Client) { |
| 233 | $handler = $curlClient->getHandler(); |
| 234 | return ($handler instanceof Curl) ? $handler->parseResponse() : null; |
| 235 | } else { |
| 236 | return $response; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * Get all responses |
| 242 | * |
| 243 | * @return array |
| 244 | */ |
| 245 | public function getAllResponses(): array |
| 246 | { |
| 247 | $responses = []; |
| 248 | |
| 249 | foreach ($this->clients as $curlClient) { |
| 250 | $response = $this->parseResponse($curlClient); |
| 251 | if ($response instanceof Response) { |
| 252 | $auto = (($curlClient->hasOption('auto')) && ($curlClient->getOption('auto'))); |
| 253 | $responses[] = [ |
| 254 | 'client_uri' => $curlClient->getRequest()->getUriAsString(), |
| 255 | 'method' => $curlClient->getRequest()->getMethod(), |
| 256 | 'code' => $response->getCode(), |
| 257 | 'response' => ($auto) ? $response->getParsedResponse() : $response |
| 258 | ]; |
| 259 | } else { |
| 260 | $responses[] = $response; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | return $responses; |
| 265 | } |
| 266 | |
| 267 | /** |
| 268 | * Get info about the Curl multi-handler |
| 269 | * |
| 270 | * @return array|false |
| 271 | */ |
| 272 | public function getInfo(): array|false |
| 273 | { |
| 274 | return curl_multi_info_read($this->resource); |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Set a wait time until there is any activity on a connection |
| 279 | * |
| 280 | * @return int |
| 281 | */ |
| 282 | public function setWait(float $timeout = 1.0): int |
| 283 | { |
| 284 | return curl_multi_select($this->resource, $timeout); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Determine if the response is complete |
| 289 | * |
| 290 | * @return bool |
| 291 | */ |
| 292 | public function isComplete(): bool |
| 293 | { |
| 294 | $info = $this->getInfo(); |
| 295 | return (is_array($info) && isset($info['msg']) && ($info['msg'] == CURLMSG_DONE)); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Determine if the batch is a success |
| 300 | * |
| 301 | * @param bool $strict |
| 302 | * @return bool|null |
| 303 | */ |
| 304 | public function isBatchSuccess(bool $strict = true): bool|null |
| 305 | { |
| 306 | $result = null; |
| 307 | |
| 308 | if ($this->isComplete()) { |
| 309 | $responses = $this->getAllResponses(); |
| 310 | $result = true; |
| 311 | foreach ($responses as $response) { |
| 312 | if (!empty($response['code'])) { |
| 313 | $codeResult = floor($response['code'] / 100); |
| 314 | if (($strict) && (!(($codeResult == 1) || ($codeResult == 2) || ($codeResult == 3)))) { |
| 315 | $result = false; |
| 316 | break; |
| 317 | } else if ((!$strict) && ((($codeResult == 1) || ($codeResult == 2) || ($codeResult == 3)))) { |
| 318 | $result = true; |
| 319 | break; |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | return $result; |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Determine if the batch has an error |
| 330 | * |
| 331 | * @param bool $strict |
| 332 | * @return bool|null |
| 333 | */ |
| 334 | public function isBatchError(bool $strict = false): bool|null |
| 335 | { |
| 336 | $result = null; |
| 337 | |
| 338 | if ($this->isComplete()) { |
| 339 | $responses = $this->getAllResponses(); |
| 340 | foreach ($responses as $response) { |
| 341 | if (!empty($response['code'])) { |
| 342 | $codeResult = floor($response['code'] / 100); |
| 343 | if (($strict) && (!(($codeResult == 4) || ($codeResult == 5)))) { |
| 344 | $result = false; |
| 345 | break; |
| 346 | } else if ((!$strict) && ((($codeResult == 4) || ($codeResult == 5)))) { |
| 347 | $result = true; |
| 348 | break; |
| 349 | } |
| 350 | } |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | return $result; |
| 355 | } |
| 356 | |
| 357 | /** |
| 358 | * Determine if the batch is a success |
| 359 | * |
| 360 | * @deprecated Use isBatchSuccess() - this name collides with the per-response |
| 361 | * isSuccess() convention used everywhere else in the codebase. |
| 362 | * @param bool $strict |
| 363 | * @return bool|null |
| 364 | */ |
| 365 | public function isSuccess(bool $strict = true): bool|null |
| 366 | { |
| 367 | return $this->isBatchSuccess($strict); |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Determine if the batch has an error |
| 372 | * |
| 373 | * @deprecated Use isBatchError() - this name collides with the per-response |
| 374 | * isError() convention used everywhere else in the codebase. |
| 375 | * @param bool $strict |
| 376 | * @return bool|null |
| 377 | */ |
| 378 | public function isError(bool $strict = false): bool|null |
| 379 | { |
| 380 | return $this->isBatchError($strict); |
| 381 | } |
| 382 | |
| 383 | /** |
| 384 | * Method to send the multiple Curl connections |
| 385 | * |
| 386 | * @param ?int $active |
| 387 | * @return int |
| 388 | */ |
| 389 | public function send(?int &$active = null): int |
| 390 | { |
| 391 | return curl_multi_exec($this->resource, $active); |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * Method to send the request asynchronously |
| 396 | * |
| 397 | * @return Promise |
| 398 | */ |
| 399 | public function sendAsync(): Promise |
| 400 | { |
| 401 | return new Promise($this); |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Prepare the multi-handler. CurlMulti has no single request to prepare against - |
| 406 | * per-client preparation happens in addClient() - this exists only so CurlMulti |
| 407 | * satisfies HandlerInterface like every other handler. |
| 408 | * |
| 409 | * @param \Pop\Http\AbstractRequest $request |
| 410 | * @param ?\Pop\Http\Auth $auth |
| 411 | * @return HandlerInterface |
| 412 | */ |
| 413 | public function prepare(\Pop\Http\AbstractRequest $request, ?\Pop\Http\Auth $auth = null): HandlerInterface |
| 414 | { |
| 415 | if ($request instanceof \Pop\Http\Client\Request) { |
| 416 | $this->request = $request; |
| 417 | } |
| 418 | |
| 419 | return $this; |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * Method to reset the handler |
| 424 | * |
| 425 | * @return CurlMulti |
| 426 | */ |
| 427 | public function reset(): CurlMulti |
| 428 | { |
| 429 | foreach ($this->clients as $key => $curlClient) { |
| 430 | $this->removeClient($key); |
| 431 | } |
| 432 | |
| 433 | $this->clients = []; |
| 434 | |
| 435 | return $this; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Close the handler connection |
| 440 | * |
| 441 | * @return void |
| 442 | */ |
| 443 | public function disconnect(): void |
| 444 | { |
| 445 | if ($this->hasResource()) { |
| 446 | curl_multi_close($this->resource); |
| 447 | $this->resource = null; |
| 448 | $this->options = []; |
| 449 | $this->clients = []; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | } |