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<?php |
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/** |
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* Ping for Laravel. |
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* |
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* This class makes Ping request to a host. |
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* |
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* Ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to elicit an ICMP ECHO_RESPONSE from a host or gateway. |
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* |
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* @author Angel Campos <[email protected]> |
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* @requires PHP 8.0 |
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* |
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* @version 2.1.2 |
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*/ |
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namespace Acamposm\Ping\Parsers; |
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final class PingParserForWindows extends PingParser |
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{ |
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private bool $unreachable; |
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/** |
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* PingParserForWindows constructor. |
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* |
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* @param array $ping |
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*/ |
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public function __construct(array $ping) |
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{ |
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parent::__construct($ping); |
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$this->unreachable = $this->isUnreachable($ping); |
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if ($this->unreachable) { |
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$this->setStatistics($ping[count($ping) - 2]); |
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} else { |
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$this->setRoundTripTime($ping[count($ping) - 1]); |
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$this->setSequence(); |
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$this->setStatistics($ping[count($ping) - 4]); |
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} |
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$this->setHostStatus(); |
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} |
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/** |
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* Get the host status. |
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* |
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* @return string |
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*/ |
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private function getHostStatus(): string |
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{ |
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return ($this->statistics['packets_received'] == $this->statistics['packets_transmitted']) ? 'Ok' |
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: ($this->statistics['packets_lost'] == $this->statistics['packets_transmitted'] |
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? 'Unreachable' : 'High Latency'); |
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} |
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/** |
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* Return an array with the Ping sequence and latency. |
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* |
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* @return array |
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*/ |
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private function getSequence(): array |
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{ |
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$ping = $this->results; |
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$items_count = count($ping); |
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// First remove items from final of the array |
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for ($i = 6; $i > 0; $i--) { |
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unset($ping[$items_count - $i]); |
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} |
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// Then remove first items |
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unset($ping[1]); |
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unset($ping[0]); |
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$key = 0; |
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$sequence = []; |
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foreach ($ping as $row) { |
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$sequence[$key] = $row; |
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$key++; |
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} |
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return $sequence; |
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} |
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/** |
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* Check if the last element of the array has 100% value string. |
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* |
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* @param array $ping |
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* |
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* @return bool |
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*/ |
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private function isUnreachable(array $ping): bool |
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{ |
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$needles = 'perdidos|lost'; |
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$result = $ping[count($ping) - 1]; |
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$unreachable = false; |
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foreach (explode('|', $needles) as $needle) { |
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$search = strpos($result, '100% '.$needle); |
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if ($search !== false) { |
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$unreachable = true; |
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break; |
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} |
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} |
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return $unreachable; |
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} |
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/** |
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* Return an object with Ping Round Trip Time. |
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* |
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* @param string $row |
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* |
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* @return array |
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*/ |
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private function parseRoundTripTime(string $row): array |
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{ |
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$rtt = explode(',', str_replace('ms', '', $row)); |
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$min = (float) explode(' = ', $rtt[0])[1] / 1000; |
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$max = (float) explode(' = ', $rtt[1])[1] / 1000; |
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$avg = (float) explode(' = ', $rtt[2])[1] / 1000; |
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return [ |
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'avg' => $avg, |
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'min' => $min, |
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'max' => $max, |
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]; |
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} |
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/** |
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* Return an object with Ping Statistics. |
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* |
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* @param string $row |
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* |
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* @return array |
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*/ |
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private function parseStatistics(string $row): array |
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{ |
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$ping_statistics = explode(', ', explode(':', $row)[1]); |
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$transmitted = (int) explode(' = ', $ping_statistics[0])[1]; |
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$received = (int) explode(' = ', $ping_statistics[1])[1]; |
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$lost = (int) explode(' = ', $ping_statistics[2])[1]; |
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return [ |
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'packets_transmitted' => $transmitted, |
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'packets_received' => $received, |
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'packets_lost' => $lost, |
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'packets_lost' => (int) (100 - (($received * 100) / $transmitted)), |
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]; |
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} |
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/** |
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* Set the host status. |
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*/ |
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private function setHostStatus(): void |
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{ |
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$this->host_status = $this->getHostStatus(); |
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} |
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/** |
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* Set the Round Trip Time statistics. |
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* |
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* @param string $rtt |
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*/ |
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private function setRoundTripTime(string $rtt): void |
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{ |
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$this->round_trip_time = $this->parseRoundTripTime($rtt); |
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} |
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/** |
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* Set the Ping sequence. |
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*/ |
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private function setSequence(): void |
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{ |
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$this->sequence = $this->getSequence(); |
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} |
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/** |
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* Set the Statistics. |
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* |
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* @param string $statistics |
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*/ |
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private function setStatistics(string $statistics): void |
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{ |
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$this->statistics = $this->parseStatistics($statistics); |
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} |
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/** |
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* Return the Ping execution result parsed as object. |
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* |
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* @return object |
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*/ |
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public function parse(): object |
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{ |
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$parsed = [ |
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'host_status' => $this->host_status, |
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'raw' => $this->results, |
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]; |
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if (count($this->round_trip_time) > 0) { |
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$parsed['latency'] = $this->round_trip_time['avg']; |
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$parsed['rtt'] = (object) $this->round_trip_time; |
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} |
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if (count($this->sequence) > 0) { |
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$parsed['sequence'] = (object) $this->sequence; |
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} |
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if (count($this->statistics) > 0) { |
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$parsed['statistics'] = (object) $this->statistics; |
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} |
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return (object) $parsed; |
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} |
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} |
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