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<?php |
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declare(strict_types=1); |
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namespace unreal4u\MQTT\DataTypes; |
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use unreal4u\MQTT\Exceptions\InvalidBrokerPort; |
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use unreal4u\MQTT\Exceptions\InvalidBrokerProtocol; |
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/** |
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* This Value Object will always contain a valid broker port. |
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*/ |
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final class BrokerPort |
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{ |
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/** |
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* This field indicates the level of assurance for delivery of an Application Message. Can be 0, 1 or 2 |
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* |
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* 0: At most once delivery (default) |
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* 1: At least once delivery |
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* 2: Exactly once delivery |
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* |
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* @var int |
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*/ |
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private $brokerPort; |
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/** |
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* If we should connect through SSL or TLS, this parameter should be set to true |
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* @var string |
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*/ |
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private $transmissionProtocol; |
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/** |
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* List of valid protocols that this package implements (or the broker can implement) |
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* @var string[] |
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*/ |
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private static $validProtocols = [ |
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'tcp', |
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'ssl', |
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'tlsv1.0', |
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'tlsv1.1', |
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'tlsv1.2', |
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]; |
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/** |
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* BrokerPort constructor. |
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* |
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* @param int $brokerPort |
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* @param string $transmissionProtocol |
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* @throws \unreal4u\MQTT\Exceptions\InvalidBrokerProtocol |
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* @throws \unreal4u\MQTT\Exceptions\InvalidBrokerPort |
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*/ |
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public function __construct(int $brokerPort = 1883, string $transmissionProtocol = 'tcp') |
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{ |
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if ($brokerPort > 65535 || $brokerPort < 1) { |
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throw new InvalidBrokerPort(sprintf( |
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'The provided broker port is invalid. Valid values are between 1 and 65535 (Provided: %d)', |
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$brokerPort |
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)); |
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} |
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if (\in_array($transmissionProtocol, self::$validProtocols, true) === false) { |
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throw new InvalidBrokerProtocol(sprintf( |
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'You must provide a valid protocol (Provided: %s)', |
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$transmissionProtocol |
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)); |
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} |
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$this->brokerPort = $brokerPort; |
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$this->transmissionProtocol = $transmissionProtocol; |
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} |
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/** |
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* Gets the current broker port |
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* |
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* @return int |
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*/ |
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public function getBrokerPort(): int |
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{ |
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return $this->brokerPort; |
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} |
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/** |
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* @return string |
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*/ |
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8 |
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public function getTransmissionProtocol(): string |
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{ |
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return $this->transmissionProtocol; |
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} |
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} |
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unreal4u /
mqtt
