LeastUsedClientPool.php
3 years ago
RandomClientPool.php
3 years ago
RoundRobinClientPool.php
3 years ago
LeastUsedClientPool.php
46 lines
| 1 | <?php |
| 2 | |
| 3 | namespace AmeliaHttp\Client\Common\HttpClientPool; |
| 4 | |
| 5 | use AmeliaHttp\Client\Common\Exception\HttpClientNotFoundException; |
| 6 | use AmeliaHttp\Client\Common\HttpClientPool; |
| 7 | use AmeliaHttp\Client\Common\HttpClientPoolItem; |
| 8 | |
| 9 | /** |
| 10 | * LeastUsedClientPool will choose the client with the less current request in the pool. |
| 11 | * |
| 12 | * This strategy is only useful when doing async request |
| 13 | * |
| 14 | * @author Joel Wurtz <joel.wurtz@gmail.com> |
| 15 | */ |
| 16 | final class LeastUsedClientPool extends HttpClientPool |
| 17 | { |
| 18 | /** |
| 19 | * {@inheritdoc} |
| 20 | */ |
| 21 | protected function chooseHttpClient() |
| 22 | { |
| 23 | $clientPool = array_filter($this->clientPool, function (HttpClientPoolItem $clientPoolItem) { |
| 24 | return !$clientPoolItem->isDisabled(); |
| 25 | }); |
| 26 | |
| 27 | if (0 === count($clientPool)) { |
| 28 | throw new HttpClientNotFoundException('Cannot choose a http client as there is no one present in the pool'); |
| 29 | } |
| 30 | |
| 31 | usort($clientPool, function (HttpClientPoolItem $clientA, HttpClientPoolItem $clientB) { |
| 32 | if ($clientA->getSendingRequestCount() === $clientB->getSendingRequestCount()) { |
| 33 | return 0; |
| 34 | } |
| 35 | |
| 36 | if ($clientA->getSendingRequestCount() < $clientB->getSendingRequestCount()) { |
| 37 | return -1; |
| 38 | } |
| 39 | |
| 40 | return 1; |
| 41 | }); |
| 42 | |
| 43 | return reset($clientPool); |
| 44 | } |
| 45 | } |
| 46 |