78 lines
1.9 KiB
PHP
78 lines
1.9 KiB
PHP
<?php
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namespace App\BusProNet;
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use App\BusProNet\Exception\ApiClientException;
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trait ApiClientTrait
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{
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/**
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* @throws ApiClientException
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*/
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private function connect(string $host, int $port, int $maxRetries = 25)
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{
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$tries = 1;
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$errNo = $errStr = '';
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$errorCodesForRetry = [
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SOCKET_ECONNREFUSED,
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SOCKET_EBADF,
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];
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$openSocket = function (&$errNo, &$errStr) use ($host, $port) {
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return @fsockopen(
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$host,
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$port,
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$errNo,
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$errStr,
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10
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);
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};
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$socket = $openSocket($errNo, $errStr);
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while (false === $socket && true === in_array($errNo, $errorCodesForRetry) && $maxRetries > $tries) {
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$this->logger->warning('Could not connect to socket, retrying', [
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'error_message' => $errStr,
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'error_number' => $errNo,
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]);
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++$tries;
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sleep(1);
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$socket = $openSocket($errNo, $errStr);
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}
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if (false !== $socket) {
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stream_set_timeout($socket, 60);
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} else {
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$this->logger->error('Unable to open socket', [
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'error_message' => $errStr,
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'error_number' => $errNo,
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]);
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throw new ApiClientException('Unable to open socket');
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}
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return $socket;
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}
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private function send($socket, string $data): void
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{
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// message length is prepended to actual message
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$send = sprintf('%010s', strlen($data)) . $data;
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fwrite($socket, $send);
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}
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private function receive($socket): string
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{
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$response = '';
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while (false === feof($socket)) {
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$response .= fread($socket, 4096);
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}
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return $response;
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}
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private function disconnect($socket): void
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{
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@fclose($socket);
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}
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} |