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<?php |
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namespace Manticoresearch\Connection; |
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use Manticoresearch\Connection; |
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use Manticoresearch\Connection\Strategy\SelectorInterface; |
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use Manticoresearch\Exceptions\ConnectionException; |
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use Manticoresearch\Exceptions\NoMoreNodesException; |
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/** |
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* Class ConnectionPool |
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* @package Manticoresearch\Connection |
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*/ |
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class ConnectionPool |
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{ |
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/** |
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* @var array |
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*/ |
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protected $connections; |
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/** |
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* @var SelectorInterface |
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*/ |
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public $strategy; |
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public $retries; |
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public $retries_attempts = 0; |
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public $retries_info = []; |
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public function __construct(array $connections, SelectorInterface $strategy, int $retries) |
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{ |
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$this->connections = $connections; |
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$this->strategy = $strategy; |
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$this->retries = $retries; |
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} |
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/** |
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* @return array |
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*/ |
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public function getConnections(): array |
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{ |
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return $this->connections; |
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} |
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/** |
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* @param array $connections |
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*/ |
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public function setConnections(array $connections) |
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{ |
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$this->connections = $connections; |
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} |
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public function getConnection(): Connection |
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{ |
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$this->retries_attempts++; |
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$connection = $this->strategy->getConnection($this->connections); |
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if ($this->retries_attempts <= $this->retries) { |
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$this->retries_info[] = [ |
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'host' => $connection->getHost(), |
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'port' => $connection->getPort(), |
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]; |
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} |
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if ($connection->isAlive()) { |
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return $connection; |
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} |
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if ($this->retries_attempts < $this->retries) { |
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return $connection; |
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} |
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$exMsg = 'After %d retr%s to %d node%s, connection has failed. No more retries left.'; |
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$exMsg .= "\nRetries made:\n"; |
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foreach ($this->retries_info as $i => $info) { |
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$i++; |
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$exMsg .= " $i. to {$info['host']}:{$info['port']}\n"; |
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} |
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$connCount = count($this->connections); |
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throw new NoMoreNodesException( |
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sprintf($exMsg, $this->retries, $this->retries > 1 ? 'ies' : 'y', $connCount, $connCount > 1 ? 's' : '') |
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); |
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} |
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public function hasConnections(): bool |
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{ |
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return $this->retries_attempts < $this->retries; |
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} |
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/** |
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* @return SelectorInterface |
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*/ |
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public function getStrategy(): SelectorInterface |
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{ |
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return $this->strategy; |
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} |
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/** |
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* @param SelectorInterface $strategy |
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*/ |
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public function setStrategy(SelectorInterface $strategy) |
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{ |
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$this->strategy = $strategy; |
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} |
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} |
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manticoresoftware /
manticoresearch-php
