private function determineRemoteFromRequest(RequestInterface $request)
    {
        if (!$request->hasHeader('Host') && '' === $request->getUri()->getHost()) {
            throw new InvalidRequestException('Remote is not defined and we cannot determine a connection endpoint for this request (no Host header)', $request);
        }

        $host = $request->getUri()->getHost();
        $port = $request->getUri()->getPort() ?: ('https' === $request->getUri()->getScheme() ? 443 : 80);
        $endpoint = sprintf('%s:%s', $host, $port);

        // If use the host header if present for the endpoint
        if (empty($host) && $request->hasHeader('Host')) {
            $endpoint = $request->getHeaderLine('Host');
        }

        if ($this->hasAsync) {
            return sprintf('async-tcp://%s', $endpoint);
        }

        return sprintf('tcp://%s', $endpoint);
    }
private function determineRemoteFromRequest(RequestInterface $request)
    {
        if (!$request->hasHeader('Host') && '' === $request->getUri()->getHost()) {
            throw new InvalidRequestException('Remote is not defined and we cannot determine a connection endpoint for this request (no Host header)', $request);
        }

        $host = $request->getUri()->getHost();
        $port = $request->getUri()->getPort() ?: ('https' === $request->getUri()->getScheme() ? 443 : 80);
        $endpoint = sprintf('%s:%s', $host, $port);

        // If use the host header if present for the endpoint
        if (empty($host) && $request->hasHeader('Host')) {
            $endpoint = $request->getHeaderLine('Host');
        }

        if ($this->hasAsync) {
            return sprintf('async-tcp://%s', $endpoint);
        }

        return sprintf('tcp://%s', $endpoint);
    }
private function determineRemoteFromRequest ( RequestInterface $ request ) { if ( ! $ request -> hasHeader ( 'Host' ) && '' === $ request -> getUri ( ) -> getHost ( ) ) { throw new InvalidRequestException ( 'Remote is not defined and we cannot determine a connection endpoint for this request (no Host header)' , $ request ) ; } $ host = $ request -> getUri ( ) -> getHost ( ) ; $ port = $ request -> getUri ( ) -> getPort ( ) ? : ( 'https' === $ request -> getUri ( ) -> getScheme ( ) ? 443 : 80 ) ; $ endpoint = sprintf ( '%s:%s' , $ host , $ port ) ; // If use the host header if present for the endpoint if ( empty ( $ host ) && $ request -> hasHeader ( 'Host' ) ) { $ endpoint = $ request -> getHeaderLine ( 'Host' ) ; } if ( $ this -> hasAsync ) { return sprintf ( 'async-tcp://%s' , $ endpoint ) ; } return sprintf ( 'tcp://%s' , $ endpoint ) ; }
Return remote socket from the request.


@throws InvalidRequestException When no remote can be determined from the request

@return string
Return remote socket from the request .